Annotation of gcc/ChangeLog.8, revision 1.1.1.1

1.1       root        1: Tue Mar  1 19:43:31 1994  Stan Shebs  ([email protected])
                      2: 
                      3:        * a29k/a29k.h (TARGET_SOFT_FLOAT): Define.
                      4:        (TARGET_SWITCHES): Add -msoft-float.
                      5:        * a29k/a29k.md (all floating point): Disable floating point insns
                      6:        if doing soft floats.
                      7: 
                      8: Tue Mar  1 19:36:05 1994  Glenn Holloway  ([email protected])
                      9: 
                     10:         * defaults.h (ASM_OUTPUT_ADDR_DIFF_ELT): Use
                     11:        ASM_OUTPUT_INTERNAL_LABEL instead of ASM_GENERATE_INTERNAL_LABEL.
                     12: 
                     13: Tue Mar  1 19:26:47 1994  Jim Wilson  ([email protected])
                     14: 
                     15:        * sparc/sol2.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
                     16:        * sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Add.
                     17: 
                     18:        * c-typeck.c (build_binary_op): Pass TREE_TYPE (orig_op0) not
                     19:        orig_op0 to TREE_UNSIGNED.
                     20: 
                     21: Tue Mar  1 18:33:33 1994  Richard Kenner  ([email protected])
                     22: 
                     23:        * varasm.c (output_constant): Strip off some NOP_EXPRs
                     24:        before further processing.
                     25: 
                     26: Tue Mar  1 12:00:00 1994  Stan Cox  ([email protected])
                     27: 
                     28:        * m88k.c (legitimize_address, print_operand): Make -fPIC work
                     29:        again.  Put addresses inside UNSPEC when loading them to
                     30:        ensure that cse won't mistakenly optimize them.
                     31:         
                     32:        * m88k.md: Two new patterns, to match (HIGH (UNSPEC (..))) and
                     33:        (LO_SUM (reg) (UNSPEC (..)))  as generated above.
                     34: 
                     35:        * m88k.h: (GO_IF_LEGITIMATE_ADDRESS) Reject invalid PIC addresses.
                     36: 
                     37: Tue Mar  1 11:00:14 1994  Doug Evans  ([email protected])
                     38: 
                     39:        * configure: Fix some typos.
                     40:        * config.sub: Move comment to proper place.
                     41: 
                     42: Mon Feb 28 18:31:50 1994  Doug Evans  ([email protected])
                     43: 
                     44:        * ns32k/encore.h (ASM_OUTPUT_ASCII): Fix typo.
                     45: 
                     46: Mon Feb 28 18:31:42 1994  Steve Chamberlain  ([email protected])
                     47: 
                     48:        * expr.c (convert_move): Change name of truncsipsi to truncsipsi2
                     49:        to conform to existing convention, same with extendpsisi.
                     50: 
                     51: Mon Feb 28 08:11:55 1994  Jim Meyering  ([email protected])
                     52: 
                     53:        * cccp.c (check_precompiled): Delete unused var dollar_loc.
                     54:        (pcstring_used): Delete unused var TMP.
                     55:        (write_output): Delete unused var WRITTEN.
                     56:        (assertion_lookup): Delete unused var BP.
                     57:        (pedwarn_with_file_and_line): Delete unused var I.
                     58: 
                     59: Mon Feb 28 07:12:24 1994  Julian Bradfield  ([email protected])
                     60: 
                     61:        * m68k.md (call): Change HPUX_ASM case.
                     62:        * m68k/hp320.h (READONLY_DATA_SECTION, LEGITIMATE_PIC_OPERAND_P):
                     63:        Defined.
                     64:        (FUNCTION_PROLOGUE): Emit PIC prologue.
                     65: 
                     66: Mon Feb 28 06:21:18 1994  Richard Kenner  ([email protected])
                     67: 
                     68:        * reload1.c (eliminate_regs, case MULT): New case, to apply
                     69:        distributive law, when needed.
                     70: 
                     71:        * stor-layout.c (variable_size): If global_bindings_p < 0,
                     72:        don't even make the SAVE_EXPR.
                     73: 
                     74:        * reg-stack.c (reg_to_stack): Use GET_RTX_CLASS.
                     75:        Clear LABEL_REFs here.
                     76:        (find_blocks): Make algorithm identical to that inreg_to_stack.
                     77:        Use GET_RTX_CLASS.
                     78:        Don't clear LABEL_REFs here.
                     79:        Build a list of labels referenced by other than jumps.
                     80:        If computed jump, mark using that list and forced_labels.
                     81:        (uses_reg_or_mem): New function, copied from flow.c.
                     82: 
                     83:        * optabs.c (expand_binop): Use expand_divmod to do
                     84:        integer division for DIV of MODE_COMPLEX_INT operands.
                     85: 
                     86: Sun Feb 27 20:24:30 1994  Rob Austein  ([email protected])
                     87: 
                     88:        * protoize.c (process_aux_info_file): Properly start over on
                     89:        file error.
                     90: 
                     91: Sun Feb 27 17:42:19 1994  Jim Wilson  ([email protected])
                     92: 
                     93:        * expmed.c (store_split_bit_field): If OP0 is a SUBREG, then
                     94:        compute WORD from the base register, instead of from the SUBREG.
                     95:        (extract_split_bit_field): Likewise.
                     96:        (extract_bit_field): Sign-extend multiword bitfield if necessary.
                     97: 
                     98:        * emit-rtl.c (subreg_realpart_p): New function.
                     99:        * integrate.c (copy_rtx_and_substitute): Use subreg_realpart_p
                    100:        instead of subreg_lowpart_p for CONCAT.
                    101: 
                    102:        * c-pragma.c (HANDLE_PRAGMA_WEAK): Depend on ASM_OUTPUT_DEF not
                    103:        SET_ASM_OP when defining it.
                    104:        * dwarfout.c (ASM_OUTPUT_DEF): Delete definition.
                    105:        * defaults.h (ASM_OUTPUT_DEF): Add it here.
                    106:        * varasm.c (handle_pragma_weak): Depend on ASM_OUTPUT_DEF not
                    107:        SET_ASM_OP when defining it.  Use ASM_OUTPUT_DEF to output value
                    108:        instead of SET_ASM_OP and explicit ASM_OUTPUT_LABELREF calls.
                    109: 
                    110:        * calls.c (expand_call): Set nregs to -1 for BLKmode parameter,
                    111:        then before move_block_to_reg call set it to the type size.
                    112: 
                    113:        * reorg.c (try_merge_delay_insns): Success when SLOT_NUMBER ==
                    114:        NUM_SLOTS not when NEXT_TO_MATCH == 0.
                    115: 
                    116:        * expmed.c (store_fixed_bit_field): Adjust BITPOS so that it
                    117:        fits inside MODE before adjusting OFFSET to get an aligned address.
                    118: 
                    119:        * expmed.c (store_fixed_bit_field): Move float mode to integral
                    120:        mode conversion from near end of function to top of function.
                    121: 
                    122:        * c-typeck.c (process_init_element): Check for constructor_type
                    123:        set before dereferencing it in the string cst code.
                    124: 
                    125: Sun Feb 27 17:28:06 1994  Philippe De Muyter  ([email protected])
                    126: 
                    127:        * m68k/mot3300.h (TARGET_DEFAULT): Default to 68020-40.
                    128:        (ASM_SPEC): New macro.
                    129:        (FUNCTION_VALUE, FUNCTION_VALUE_REGNO_P): Return pointer in a0.
                    130:        (*_LIBCALL): Use functions from sysV68's library.
                    131:        (INIT_CUMULATIVE_ARGS, FUNCTION_ARG*): Some libcalls pass
                    132:        parameters in registers.
                    133: 
                    134: Sun Feb 27 15:20:35 1994  Ron Guilmette  ([email protected])
                    135: 
                    136:        * flags.h (id_clash_len): Now unsigned.
                    137:        (warn_larger_than, larger_than_size): New variables.
                    138:        * toplev.c: Likewise.
                    139:        (main): Support -Wlarger-than-NN.
                    140:        * c-common.c (declare_hidden_char_array): Build new type if
                    141:        warn_larger_than.
                    142:        * c-decl.c (finish_decl, finish_function): Issue warning for
                    143:        large objects, if requested.
                    144: 
                    145: Sun Feb 27 10:50:50 1994  Richard Kenner  ([email protected])
                    146: 
                    147:        * integrate.c (expand_inline_function): Allow extra arguments
                    148:        and force their evaluation for side-effects.
                    149: 
                    150:        * local-alloc.c (qty_compare{,_1}): Give multi-word regs higher
                    151:        priority, as stated in the comments.
                    152:        * global.c (allocno_compare): Likewise.
                    153: 
                    154:        * c-common.c (binary_op_error): Initialize OPNAME.
                    155:        * c-decl.c (store_parm_decls): Initialize some vars.
                    156:        * c-lex.c (readescape): Initialize FIRSTDIG.
                    157:        * c-typeck.c (type_lists_compatible_p): Initialize NEWVAL.
                    158:        (pop_init_level): Initialize SIZE.
                    159:        (output_pending_init_elements): Initialize NEXTPOS_TREE.
                    160:        * calls.c (expand_call): Initialize OLD_PENDING_ADJ.
                    161:        * cccp.c (main, args case 'D'): Rewrite to avoid uninitialized var.
                    162:        (main, args case 'A'): Delete unused var P1.
                    163:        (rescan): Initialize STR.
                    164:        (do_xifdef, do_endif): Initialize arg to skip_to_end_of_comment.
                    165:        * expr.c (emit_move_insn): Delete unused vars.
                    166:        (emit_move_insn_1): Don't set SUBMODE unless used.
                    167:        (expand_builtin, case BUILT_IN_SAVEREGS): Clean up uses of VALREG
                    168:        and SAVED_VALREG.
                    169:        * final.c (final_scan_insn): Always set OPS and use alloca.
                    170:        * gcc.c (execute): Initialize PROG.
                    171:        * optabs.c (emit_float_lib_cmp): Init LIBFUNC; abort if not reset.
                    172:        * stmt.c (expand_start_bindings): Properly set NOTE if bytecode.
                    173:        * tree.c (make_node, stabilize_reference_1): Abort if unknown class.
                    174:        * varasm.c (make_decl_rtl): Initialize NAME and abort if not reset.
                    175: 
                    176: Sat Feb 26 13:09:37 1994  Doug Evans  ([email protected])
                    177:        
                    178:        * mips-tfile.c (fatal, error): Don't use prototypes
                    179:        ifndef HAVE_VPRINTF.
                    180: 
                    181:        * fixincludes: Fix including of machine/r3_cpu.h and machine/r4_cpu.h
                    182:        in machine/cpu.h on Ultrix 4.3.
                    183: 
                    184: Sat Feb 26 07:14:04 1994  Richard Kenner  ([email protected])
                    185: 
                    186:        * rs6000.h (MASK_NO_SUM_IN_TOC, TARGET_NO_SUM_IN_TOC): New macros.
                    187:        (MASK_MINIMAL_TOC): Change bit value.
                    188:        (TARGET_SWITCHES): Add -mno-sum-in-toc; use -mfull-toc instead
                    189:        of -mnormal-toc, other minor changes.
                    190:        * rs6000.md (movsi): If -mno-sum-in-toc, do addition of
                    191:        symbol + const.
                    192: 
                    193:        * jump.c (rtx_renumbered_equal_p): Fix bug in comparing SUBREGs
                    194:        and REGs.
                    195:        Two commutative operations are equal if the operands are in the
                    196:        opposite order.
                    197: 
                    198:        * function.c (fixup_var_refs_insn): Delete CLOBBER of VAR.  If
                    199:        VAR is being assigned into by a libcall sequence, remove the
                    200:        libcall notes.
                    201: 
                    202:        * cse.c (count_reg_usage, case SET): If SRC has side-effects,
                    203:        count a usage of DEST in it.
                    204: 
                    205:        * expr.c (store_expr): In promoted TARGET case, if EXP is a
                    206:        volatile MEM and WANT_VALUE is nonzero, only reference the MEM once.
                    207:        Return TARGET if it is a hard register; clean up return code.
                    208: 
                    209:        * tree.c (substitute_in_type, case REAL_TYPE): Fix typo in
                    210:        previous change.
                    211: 
                    212: Fri Feb 25 06:42:20 1994  Richard Kenner  ([email protected])
                    213: 
                    214:        * tree.c (substitute_in_type, case REAL_TYPE): Allow
                    215:        TYPE_{MIN,MAX}_VALUE to be unassigned.
                    216: 
                    217:        * combine.c (if_then_else_cond): Fix typo in narrowing of a SUBREG.
                    218: 
                    219:        * alpha.md (neg[sd]f2): Use %R1 consistently.
                    220: 
                    221:        * reload.c (find_reloads): Don't restrict class of multiword
                    222:        operand to preferred class.
                    223:        (find_reloads_address_1): Rework to use `switch'.
                    224:        Reload a SUBREG of a hard reg as a unit.
                    225: 
                    226:        * alpha.md (mul*): Disallow multiply by constant.
                    227: 
                    228: Thu Feb 24 21:20:11 1994  Ian Lance Taylor  ([email protected])
                    229: 
                    230:        * fixinc.sco: In <prototypes.h>, fix prototypes of getcwd and
                    231:        link.
                    232: 
                    233: Thu Feb 24 13:06:05 1994  Richard Stallman  ([email protected])
                    234: 
                    235:        * config.sub: Don't force os=-hpux for hp9k2... and hp9k3...
                    236: 
                    237: Thu Feb 24 11:17:11 1994  Jeffrey A. Law  ([email protected])
                    238: 
                    239:        * configure (hppa*-*-osf*): Renamed from hppa*-*-mach.  Target
                    240:        filenames changed accordingly.
                    241: 
                    242: Thu Feb 24 08:54:27 1994  Bob Miorelli  ([email protected])
                    243: 
                    244:        * lynx.h (LIB_SPEC, LINK_SPEC): Add missing blanks.
                    245: 
                    246: Thu Feb 24 08:42:07 1994  Ian Willis  ([email protected])
                    247: 
                    248:        * i386/sco.h, i386/scodbx.h (HANDLE_SYSV_PRAGMA): Define.
                    249: 
                    250: Thu Feb 24 07:31:44 1994  Richard Kenner  ([email protected])
                    251: 
                    252:        * loop.c (maybe_eliminate_biv_1): Ignore GIV if it isn't
                    253:        always computed.
                    254: 
                    255:        * loop.c (scan_loop, strength_reduce): Go back to LOOP_TOP, not
                    256:        its NEXT_INSN (in case SCAN_START == LOOP_TOP).
                    257: 
                    258: Wed Feb 23 07:30:14 1994  Richard Kenner  ([email protected])
                    259: 
                    260:        * reload1.c (choose_reload_regs): If EQUIV is a SUBREG, 
                    261:        make a new REG.
                    262: 
                    263:        * c-common.c (decl_attributes): Warn if attribute will be ignored.
                    264:        Allow `noreturn', `volatile', and `const' on object of type
                    265:        pointer to function.
                    266:        Always give decl with error or warning.
                    267:        * calls.c (expand_call): Functions may be const or volatile from
                    268:        their type.
                    269: 
                    270: Tue Feb 22 11:00:12 1994  Ian Lance Taylor  ([email protected])
                    271: 
                    272:        * fixincludes: In #[el]if, put double underscores around M32,
                    273:        m88k, pdp11, tower[_0-9]*, u370, u3b[0-9]*.  From Kaveh R.
                    274:        Ghazi.
                    275: 
                    276:        * fixinc.sco: Fix prototype declaration of utime in <sys/times.h>;
                    277:        it's broken in SCO 3.2v4.0.
                    278: 
                    279: Tue Feb 22 08:14:28 1994  Matthias Pfaller  ([email protected]) 
                    280: 
                    281:        * ns32k.h (FUNCTION_{PROLOGUE,EPILOGUE}): %$ is not supported
                    282:        in fprintf.
                    283:        (ADJSP): New macro to resolve %$.
                    284: 
                    285:        * pc532.h (FRAME_POINTER_REQUIRED): Deleted.
                    286:        * pc532-mach.h (FRAME_POINTER_REQUIRED): Moved to here.
                    287:        (DEFAULT_PCC_STRUCT_RETURN): Deleted; redundant.
                    288: 
                    289:        * ns32k.c (output_move_dconst): New function.
                    290:        * ns32k.h (output_move_dconst): New declaration.
                    291:        * ns32k.md: Added peephole patterns for stack adjustments followed
                    292:        by QI/HI pushes.
                    293:        (movsi): Use output_move_dconst for TARGET_32532.
                    294:        (ffs): New patterns.
                    295: 
                    296:        * ns32k.c (global_symbolic_reference_mentioned_p): New function.
                    297:        (print_operand_address): Allow pc-relative mode not only
                    298:        for {LABEL, SYMBOL}_REF but for CONST too. If compiling PIC,
                    299:        transform "symbol+const(Rx)" to "const(symbol(sb))[Rx:b]".
                    300:        * ns32k.h (OVERRIDE_OPTIONS): New macro to support PIC.
                    301:        (FUNCTION_PROLOGUE): Save/Load sb when compiling PIC.
                    302:        (FUNCTION_EPILOGUE): Restore sb when compiling PIC.
                    303:        (INITIAL_FRAME_POINTER_OFFSET): Take saved sb into account when PIC.
                    304:        (LEGITIMATE_CONSTANT_P, GO_IF_LEGITIMATE_ADDRESS):
                    305:        Set current_function_uses_pic_offset_table if P uses a global
                    306:        symbolic reference.
                    307:        (ENCODE_SECTION_INFO): New macro to support PIC.
                    308: 
                    309: Tue Feb 22 07:59:27 1994  Torbjorn Granlund  ([email protected])
                    310: 
                    311:        * alpha.md (divsi3): Emit all RTL from RTL template.
                    312:        (udivsi3, modsi3, umodsi3, divdi3, udivdi3, moddi3, umoddi3): Likewise.
                    313: 
                    314: Tue Feb 22 07:21:31 1994  Samuel A. Figueroa  ([email protected])
                    315: 
                    316:        * i386/os2.h (LINK_SPEC, LIB_SPEC): New macros.
                    317:        (PATH_SEPARATOR): Delete from here.
                    318:        * i386/xm-os2.h (PATH_SEPARATOR): Add to here.
                    319: 
                    320: Mon Feb 21 17:48:39 1994  Jim Wilson  ([email protected])
                    321: 
                    322:        * mips-tfile.c (fatal, error): Add ! HAVE_VPRINTF versions.
                    323: 
                    324: Sun Feb 20 16:53:02 1994  Ted Lemon  ([email protected])
                    325: 
                    326:        * mips.c (mips_move_2words): Check for TARGET_FLOAT64 != TARGET_64BIT.
                    327:        (override_options): Don't override MASK_64BIT; don't allow -gp64
                    328:        without -mips3.
                    329:        * mips.h: Update mips3 comments.
                    330:        (TARGET_OPTIONS): Add gp64 and gp32.
                    331:        (SECONDARY_MEMORY_NEEDED): Don't allow fp<->gp copy if TARGET_FLOAT64
                    332:        != TARGET_64BIT.
                    333:        (CC1_SPEC): Generate correct -mfp* and -mgp* from -mips*
                    334:        * mips.md (movdf_internal1): Disable if TARGET_FLOAT64 != TARGET_64BIT.
                    335:        (movdf_internal1a):  New pattern.
                    336:        * osfrose.h (CC1_SPEC): Update as above.
                    337: 
                    338: Sun Feb 20 15:40:45 1994  Jim Wilson  ([email protected])
                    339: 
                    340:        * sparc.h (HARD_REGNO_MODE_OK): Update comment.
                    341: 
                    342:        * iris5.h (OBJECT_FORMAT_ELF): Add comments.
                    343:        * configure (mips-sgi-irix5): Use collect.
                    344: 
                    345: Sat Feb 19 14:25:41 1994  Ian Lance Taylor  ([email protected])
                    346: 
                    347:        * fixincludes: Permit upper case characters in typedef of size_t
                    348:        in <sys/types.h>.
                    349: 
                    350: Thu Feb 17 18:02:02 1994  Steve Chamberlain  ([email protected])
                    351: 
                    352:        * c-parse.in (attrib): Handle attribute ((section ("string"))).
                    353:        * c-common.c (decl_attributes): Decode section attribute.
                    354:        * c-decl.c (duplicate_decls): Merge section name into new decl.
                    355:        * tree.h (DECL_SECTION_NAME): New macro.
                    356:        (struct tree_decl): New member `section_name'.
                    357:        * varasm.c (IN_NAMED_SECTION): New macro.
                    358:        (named_section): New function.
                    359:        (enum in_section): New value `in_named'.
                    360:        (in_named_name): New global.
                    361:        (make_function_rtl, make_decl_rtl, output_constant_def): Fix comment
                    362:        regarding ASM_OUTPUT_LABELREF.
                    363:        (make_decl_rtl): Warn if section attribute used with uninitialized
                    364:        variable declaration.
                    365:        (assemble_start_function, assemble_variable, output_constant_def):
                    366:        Change to named section if given.
                    367:        * sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Define.
                    368:        * h8300/h8300.h (ASM_OUTPUT_SECTION_NAME): Define.
                    369:        (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, SELECT_SECTION): Delete.
                    370:        (ASM_OUTPUT_LABELREF): Call fprintf directly.
                    371:        * h8300/h8300.c (asm_output_labelref): Delete.
                    372:        * sh/sh.h (ASM_OUTPUT_SECTION_NAME): Define.
                    373:        (ASM_OUTPUT_SECTION): Delete.
                    374: 
                    375: Wed Feb 16 21:46:48 1994  Doug Evans  ([email protected])
                    376: 
                    377:        * i960/i960.c (i960_function_prologue): Put register save area before
                    378:        outgoing arg block.
                    379: 
                    380: Wed Feb 16 15:33:26 1994  Jim Wilson  ([email protected])
                    381: 
                    382:        * expr.c (get_pointer_alignment):  ALIGN is alignment of innermost
                    383:        object, not the MAX of alignment of all objects.
                    384: 
                    385:        * expr.c (group_insns): Delete.
                    386:        (emit_move_insn_1, expand_expr): Use emit_no_conflict_block
                    387:        instead of group_insns.
                    388: 
                    389:        * final.c (end_final): Pass BIGGEST_ALIGNMENT not align to
                    390:        ASM_OUTPUT_ALIGNED_LOCAL.
                    391: 
                    392:        * alpha.c (alpha_builtin_saveregs): Don't include
                    393:        current_function_arg_offset_rtx in argsize.  Subtract 48 from arg
                    394:        base address when no int registers stored on the stack.
                    395: 
                    396:        * genattrtab.c (expand_units): Fix blockage calculation.
                    397: 
                    398:        * loop.c (scan_loop): Add no_labels_between_p call to tests which
                    399:        decide if an invariant reg can be safely replaced with its SET_SRC.
                    400: 
                    401: Wed Feb 16 00:54:04 1994  Ian Lance Taylor  ([email protected])
                    402: 
                    403:        * fixincludes: Fix uses of new in Xm/Traversal.h.  Found on
                    404:        RS/6000.
                    405: 
                    406: Tue Feb 15 19:44:41 1994  Per Bothner  ([email protected])
                    407: 
                    408:        * tree.def:  Remove STRING_TYPE.  No-one uses it.
                    409:        * tree.h (struct tree_type):  New bitfield string_flag.
                    410:        * tree.h (TYPE_STRING_FLAG):  New macro.
                    411:        * tree.c, sparc.c:  Remove unneeded tests for STRING_TYPE.
                    412:        * expr.c (expand_builtin), dwarfout.c:  Use TYPE_STRING_FLAG.
                    413:        * dbxout.c (dbxout_type):  For SET_TYPE and ARRAY_TYPE, use
                    414:        TYPE_STRING_FLAG to emit appropriate indication.
                    415: 
                    416: Tue Feb 15 19:36:45 1994  Stephen L Moshier  ([email protected])
                    417: 
                    418:        * real.c (real_value_truncate): If requested mode is not
                    419:        supported, return the unmodified input instead of aborting.
                    420: 
                    421: Tue Feb 15 19:30:48 1994  Richard Kenner  ([email protected])
                    422: 
                    423:        * expr.c (expand_increment): Handle both BAD_SUBREG and POST.
                    424: 
                    425: Tue Feb 15 11:09:08 1994  Ian Lance Taylor  ([email protected])
                    426: 
                    427:        * fixinc.svr4: Make byteorder.h a here document, rather than
                    428:        copying it from the source directory.
                    429:        * byteorder.h: Removed.
                    430: 
                    431:        * fixinc.sco: Don't install <sys/byteorder.h>.
                    432: 
                    433:        * fixincludes: Removed references to GCCCMD.  Instead of running
                    434:        ${GCCCMD} to determine correct value for size_t, just fix the
                    435:        header files to use __SIZE_TYPE__.
                    436:        * Makefile.in (fixinc.ready): Removed target.
                    437:        (stmp-fixinc): Don't depend upon fixinc.ready.  Don't pass fourth
                    438:        argument (was "`pwd`/xgcc -B`pwd`/") to $(FIXINCLUDES).
                    439:        (clean): Don't remove fixinc.ready.
                    440: 
                    441:        * rs6000.h (RS6000_ITRUNC, RS6000_UITRUNC): Define.
                    442:        * rs6000.md (fix_truncdfsi2, fixuns_truncdfsi2): Use RS6000_ITRUNC
                    443:        and RS6000_UITRUNC, not "itrunc" and "uitrunc".
                    444:        * rs6000.c (output_prolog): Likewise.
                    445: 
                    446: Mon Feb 14 19:19:06 1994  Jim Meyering  ([email protected])
                    447: 
                    448:        * gen-protos.c (main): Remove unused args in call to fprintf.
                    449:        * bi-opcode.c (main): Move unused arg ++i out of call to printf.
                    450: 
                    451: Mon Feb 14 19:14:55 1994  Stephen L Moshier  ([email protected])
                    452: 
                    453:        * real.c (eifrac): If FIXUNS_TRUNC_LIKE_FIX_TRUNC,
                    454:        convert on positive overflow as if unsigned.
                    455: 
                    456: Mon Feb 14 19:13:15 1994  Jason Merrill  ([email protected])
                    457: 
                    458:        * toplev.c (lang_options): Add -W{no,}extern-inline.
                    459: 
                    460:        * gcc.c (default_compilers): Generate and use .ii files in the
                    461:        intermediate stage of compiling C++ source.
                    462: 
                    463: Mon Feb 14 19:08:37 1994  Richard Kenner  ([email protected])
                    464: 
                    465:        * local-alloc.c (optimize_reg_copy): A register that dies in
                    466:        a CALL_INSN doesn't cross that call.
                    467: 
                    468:        * combine.c (simplify_shift_const, case AND): When remaking
                    469:        binary operation, do it in SHIFT_MODE.
                    470: 
                    471: Mon Feb 14 11:27:35 1994  Frederic Pierresteguy  ([email protected])
                    472: 
                    473:        * config.sub: Add case for Bull dpx20.
                    474: 
                    475: Sun Feb 13 23:50:15 1994  Ian Lance Taylor  ([email protected])
                    476: 
                    477:        * rs6000.c (output_epilog): Don't output a traceback table if
                    478:        flag_inhibit_size_directive is set.
                    479: 
                    480: Sun Feb 13 17:47:14 1994  Richard Kenner  ([email protected])
                    481: 
                    482:        * rs6000.c (rs6000_adjust_cost): Renamed from ppc_adjust_cost.
                    483:        * rs6000.h (ADJUST_COST): Call rs6000_adjust_cost.
                    484: 
                    485: Sun Feb 13 17:07:02 1994  Ian Lance Taylor  ([email protected])
                    486: 
                    487:        * rs6000.h (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Define.
                    488:        (ASM_OUTPUT_ADDR_VEC_ELT): Use ASM_GENERATE_INTERNAL_LABEL instead
                    489:        of assuming the default format for internal labels.
                    490:        (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
                    491:        * rs6000.c (output_prolog, output_epilog): Likewise.
                    492:        (output_function_profiler): Likewise.
                    493: 
                    494:        * fixincludes: Fix conflicts with C++ reserved words in
                    495:        X11/ShellP.h, Xm/Traversal.h, and Xm/BaseClassI.h.  Found on
                    496:        RS/6000.
                    497: 
                    498: Sun Feb 13 13:40:17 1994  Michael Meissner  ([email protected])
                    499: 
                    500:        * halfpic.h (toplevel): Include stdio.h if it hasn't been included
                    501:        already, so that STDIO_PROTO can be defined.  Otherwise,
                    502:        asm_fprintf gets a prototype mismatch.
                    503: 
                    504: Sun Feb 13 02:36:30 1994  Doug Evans  ([email protected])
                    505: 
                    506:        * gcc.c (fatal, error): Fix declarations (dependent on HAVE_VPRINTF)..
                    507: 
                    508: Sat Feb 12 19:46:29 1994  Michael Meissner  ([email protected])
                    509: 
                    510:        * configure (386-*-osfrose): Use i386/xm-osf.h as xm file.
                    511: 
                    512:        * i386/xm-osf.h (new file): Define HAVE_PUTENV and HAVE_VPRINTF.
                    513: 
                    514: Sat Feb 12 08:51:02 1994  Richard Earnshaw ([email protected])
                    515: 
                    516:        * calls.c (expand_call): When preserving subexpressions, don't put
                    517:        expensive arguments directly into hard registers.
                    518: 
                    519:        * combine.c (REVERSIBLE_CC_MODE): Add default definition.
                    520:        (reversible_comparison_p): REVERSIBLE_CC_MODE.
                    521:        * sparc.h (REVERSIBLE_CC_MODE): Define.
                    522: 
                    523:        * combine.c (subst): Always simplify true and false arms if
                    524:        if_then_else_cond succeeds.
                    525:        (subst, case IF_THEN_ELSE): More canonicalizations; delete some
                    526:        redundant tests.
                    527:        (if_then_else_cond): Canonicalize (OP (mult COMP A) (mult REV_COMP B)).
                    528:        (gen_binary): Simplify (REL_OP (compare X Y) 0) here.
                    529: 
                    530: Sat Feb 12 07:41:55 1994  Torbjorn Granlund  ([email protected])
                    531: 
                    532:        * cse.c (cse_main): Conditionalize special treatment of
                    533:        PIC_OFFSET_TABLE_REGNUM on PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
                    534: 
                    535:        * expmed.c (expand_shift): Truncate immediate count if
                    536:        SHIFT_COUNT_TRUNCATED.
                    537: 
                    538: Fri Feb 11 18:49:42 1994  Per Bothner  ([email protected])
                    539: 
                    540:        * dbxout.c (dbxout_type_fields):  Emit anonymous fields
                    541:        just like other fields, but with an empty name.  Don't
                    542:        treat the fields as belonging to the containing object.
                    543: 
                    544: Fri Feb 11 20:08:25 1994  Torbjorn Granlund  ([email protected])
                    545: 
                    546:        * rs6000.md (definition of "type"): Add "jmpreg" as new type.
                    547:        Change "mtlr" to "mtjmpr".
                    548:        (movsi matcher): Pair `c' and `l' in the same constraint
                    549:        alternative.
                    550:        (return): Set attribute to "jmpreg".
                    551:        (indirect_jump): Likewise.
                    552:        * rs6000.h (ADJUST_COST): Call ppc_adjust_cost.
                    553:        * rs6000.c (ppc_adjust_cost): New function.  Adjust for TYPE_JMPREG.
                    554: 
                    555: Fri Feb 11 17:39:42 1994  Michael Collison  ([email protected])
                    556: 
                    557:        * reload1.c (gen_input_reload): If reg-reg add is not valid,
                    558:        try copying reg-reg and adding reg-int.
                    559: 
                    560: Fri Feb 11 17:36:11 1994  Jason Merrill  ([email protected])
                    561: 
                    562:        * expr.c (expand_builtin): If the builtin was called as
                    563:        __builtin_whatever, pretend we're optimizing.
                    564: 
                    565: Fri Feb 11 17:30:28 1994  Richard Kenner  ([email protected])
                    566: 
                    567:        * jump.c (mark_jump_label, case LABEL_REF): Update REG_LABEL
                    568:        note if changing target of jump.
                    569: 
                    570:        * regclass.c (record_reg_classes): Fix logic in case of matching
                    571:        operands.
                    572: 
                    573: Fri Feb 11 16:03:21 1994  Doug Evans  ([email protected])
                    574: 
                    575:        * tree.h (VPROTO, VA_START): Avoid duplicate definition.
                    576:        * rtl.h (VPROTO, VA_START): Likewise.
                    577:        * gcc.c (VPROTO, VA_START): Define.
                    578:        (PROTO): Define.
                    579:        Add prototypes for static functions.
                    580:        * g++.c (VPROTO, VA_START): Define.
                    581: 
                    582:        * gstdarg.h: Don't define _STDARG_H/etc. if not gcc,
                    583:        it may collide with system's header.
                    584: 
                    585: Thu Feb 10 19:26:37 1994  Chip Salzenberg  ([email protected])
                    586: 
                    587:        * c-typeck.c (c_expand_return): Do not warn about returning the
                    588:        address of a locally declared extern variable.
                    589: 
                    590: Thu Feb 10 15:57:06 1994  Jeffrey A. Law  ([email protected])
                    591: 
                    592:        * final.c (IS_ASM_LOGICAL_LINE_SEPARATOR): Provide default
                    593:        definition.
                    594:        (asm_insn_count): Use IS_ASM_LOGICAL_LINE_SEPARATOR rather
                    595:        than assuming the logical line separator is ';'.
                    596: 
                    597:        * pa.h (IS_ASM_LOGICAL_LINE_SEPARATOR): Define.
                    598: 
                    599: Thu Feb 10 08:49:39 1994  Richard Kenner  ([email protected])
                    600: 
                    601:        * reload.h (reload_secondary_{reload,icode}): Deleted.
                    602:        (reload_secondary_{in,out}_{reload,icode}): New variables.
                    603:        * reload.c: Likewise.
                    604:        (MATCHES, MERGABLE_RELOADS, MERGE_TO_OTHER): Move to front of file.
                    605:        (push_secondary_reload): New function, from find_secondary_reload.
                    606:        (find_secondary_reload): Deleted.
                    607:        (push_reload): Call push_secondary_reload.
                    608:        (combine_reloads): Use new vars for secondary reloads and icodes.
                    609:        * reload1.c (emit_reload_insns): Use new vars for secondary
                    610:        reloads and icodes.
                    611: 
                    612:        * explow.c (memory_address): Fix error in last change.
                    613: 
                    614: Thu Feb 10 08:13:49 1994  Stephen R. van den Berg  ([email protected])
                    615: 
                    616:        * rtl.h, tree.h, mips-tfile.c (VPROTO): New macro.
                    617:        * combine.c, expr.h, genattrtab.c, output.h, rtl.h, tree.h, toplev.c:
                    618:        Use PROTO for varargs functions.
                    619:        * genattrtab.c (attr_printf): Only declare when defined.
                    620:        * bc-emit.c, calls.c, combine.c, emit-rtl.c, final.c, g++.c:
                    621:        If __STDC__, include gstdarg and use ANSI form of varargs.
                    622:        * gcc.c, genattrtab.c, mips-tfile.c, tree.c, toplev.c: Likewise.
                    623: 
                    624: Wed Feb  9 09:53:54 1994  Michael Meissner  ([email protected])
                    625: 
                    626:        * i386/osfrose.h (SUBTARGET_SWITCHES): Add -mmcount-ptr as a
                    627:        synonym for -mno-mcount.
                    628:        (CC1_SPEC): If -melf, pass -mmcount-ptr by default.
                    629: 
                    630:        * i386/osfelf.h (CC1_SPEC): Unless -mrose, pass -mmcount-ptr by
                    631:        default.
                    632: 
                    633:        * configure (alpha-dec-osf): Use osf2.h and gdb-osf2.h on OSF/1 2.0 and
                    634:        beyond.
                    635: 
                    636:        * alpha/osf2.h, alpha/gdb-osf2.h (new files): Support for OSF/1 2.0
                    637:        that uses 4 byte wchar_t's instead of 2 byte.
                    638: 
                    639: Tue Feb  8 20:18:12 1994  Paul Eggert  ([email protected])
                    640: 
                    641:        * real.c (earith, ereal_negate, eneg, eisneg, enan, emovo, esub):
                    642:        Propagate the sign of NaNs, so that e.g. -(NaN) evaluates to -NaN.
                    643:        (eadd, ediv, emul, eremain, e53toe, e64toe, e113toe, e24toe, esqrt): 
                    644:        Likewise.
                    645:        (make_nan): New arg specifies sign of NaN.  All callers changed.
                    646:        (eiisneg): New function.
                    647:        (esqrt): Compute sqrt(-0.0) to be -0.0, not 0.0.
                    648: 
                    649: Tue Feb  8 19:23:41 1994  Richard Kenner  ([email protected])
                    650: 
                    651:        * toplev.c: Include ctype.h.
                    652: 
                    653:        * tree.c (int_fits_type_p): Properly handle case of variable bounds
                    654:        for types.
                    655: 
                    656: Tue Feb  8 19:20:04 1994  Jason Merrill  ([email protected])
                    657: 
                    658:        * fixproto: Add popen and pclose to required list for stdio.h.
                    659:        Add putenv to required list for stdlib.h.
                    660:        Add getopt to required list for unistd.h.
                    661: 
                    662:        * fixproto: Append "#include <stdlib.h>" to assert.h if it uses
                    663:        exit or abort.
                    664: 
                    665:        * libgcc2.c (__builtin_new): If __new_handler returns, keep trying
                    666:        to allocate the memory.
                    667:        (__default_new_handler): Add __ to beginning of name to avoid
                    668:        namespace clashing.
                    669: 
                    670: Tue Feb  8 18:50:07 1994  Jim Wilson  ([email protected])
                    671: 
                    672:        * i386/x-aix (FIXINCLUDES): Delete definition.
                    673:        * configure (i[34]86-ibm-aix): Delete definition of fixincludes.
                    674:        * fixincludes: When edit size_t typedef, modify sed pattern to
                    675:        avoid matching typedef uses of size_t.  Likewise when adding
                    676:        #ifndef GCC_SIZE_T.
                    677:        * fixinc.ps2: Delete file.
                    678: 
                    679:        * mips.h (ASM_OUTPUT_LOCAL, ASM_OUTPUT_COMMON): Use SIZE not ROUNDED.
                    680: 
                    681:        * iris5.h (SIZE_TYPE, PTRDIFF_TYPE): Don't redefine.
                    682:        (MAX_WCHAR_TYPE_SIZE): Define.
                    683: 
                    684:        * mips-tdump.c (print_file_desc): Correct printf format.
                    685:        (main): Likewise.
                    686: 
                    687:        * flow.c (find_basic_blocks): Also look for REG_LABEL notes on first
                    688:        instruction of each basic block.
                    689: 
                    690:        * sparc.c (save_regs, restore_regs): Use __inline__ not inline.
                    691: 
                    692: Tue Feb  8 10:13:54 1994  Doug Evans  ([email protected])
                    693: 
                    694:        * toplev.c (open_dump_file): New function.
                    695:        (compile_file): Open dump files with it.  Remove dump_base_name_length.
                    696: 
                    697: Sun Feb  6 15:52:48 1994  Jim Wilson  ([email protected])
                    698: 
                    699:        * collect2.c (sys_siglist): Don't declare if
                    700:        DONT_DECLARE_SYS_SIGLIST is defined.
                    701:        * mips/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
                    702:        * sparc/xm-sol2.h (NO_SYS_SIGLIST): Delete.
                    703:        (DONT_DECLARE_SYS_SIGLIST): Define.
                    704:        * mips-tfile.c (sys_siglist): Don't declare if NO_SYS_SIGLIST or
                    705:        DONT_DECLARE_SYS_SIGLIST are defined.
                    706:        (catch_signal): Add code for NO_SYS_SIGLIST case.
                    707: 
                    708:        * sched.c (reg_pending_sets, reg_pending_sets_all): New variables.
                    709:        (sched_analyze_1): Set reg_pending_sets instead of reg_last_sets.
                    710:        (sched_analyze_2): Set reg_pending_sets or reg_pending_sets_all
                    711:        instead of reg_last_sets.
                    712:        (sched_analyze_insn): Use reg_pending_sets and
                    713:        reg_pending_sets_all to set reg_last_sets.  Set
                    714:        reg_pending_sets_all instead of reg_last_sets.
                    715:        (schedule_block): Allocate and clear reg_pending_sets.
                    716: 
                    717:        * sparc.md (movdi): Handle 'U' and 'T' constraints.
                    718: 
                    719:        * m68k/hp320.h (FUNCTION_PROFILER): Concatenate strings to avoid
                    720:        use of ANSI C specific feature.
                    721: 
                    722:        * mips.c (function_arg): When soft-float, don't add bias for
                    723:        second SFmode argument.
                    724: 
                    725:        * iris5.h (CPP_PREDEFINES): Add _MIPSEB.
                    726: 
                    727: Sun Feb  6 08:40:46 1994  Richard Kenner  ([email protected])
                    728: 
                    729:        * function.c (struct temp_slot): Add new field, ADDRESS.
                    730:        (assign_stack_temp): Initialize it to zero.
                    731:        (find_temp_slot_from_address, update_temp_slot_address): New functions.
                    732:        (preserve_temp_slots): Use find_temp_slot_from_address.
                    733:        * explow.c (memory_address): Call update_temp_slot_address on
                    734:        new and old address.
                    735: 
                    736:        * cse.c (canon_hash, case LABEL_REF, SYMBOL_REF): Avoid warning
                    737:        on 64-bit machines.
                    738: 
                    739: Sat Feb  5 17:55:52 1994  Richard Kenner  ([email protected])
                    740: 
                    741:        * configure (i[34]86-sequent-ptx): Alias for i[34]86-sequent-sysv*.
                    742: 
                    743: Sat Feb  5 11:46:00 1994  Steve Chamberlain  ([email protected])
                    744: 
                    745:        * sh.c (hard_regno_mode_ok): New vector. 
                    746:        (output_stack_adjust): Always adjust stack with an addsi insn. 
                    747:        (calc_live_regs):  Support alernative calling conventions. 
                    748:        (print_operand): Delete obsolete cases.
                    749:        (synth_constant): New function to generate constants by
                    750:        arithmetic means. 
                    751:        (expand_block_move): Use new block move support routines. 
                    752:        (prepare_move_operands):  Use synth_constant when possible, try
                    753:        and geneate splits for DI moves.
                    754:        (output_jump_label_table, dump_table, output_far_jump,
                    755:        prepare_split_double_ops,from_compare, equality_operator,
                    756:        handle_pragma, expand_acall): New functions. 
                    757:        (prepare_scc_operands): When condition isn't supported swap args
                    758:        and alter test.
                    759:        (output_move_double): Generate better code for constant moves.
                    760:        (output_shift): Cope with negative shifts. 
                    761:        (byte_index_operand, pop_operand, painful_immediate_operand,
                    762:        ok_shift_value, hard_immediate_operand, adjust_insn_length,
                    763:        dump_constants, output_movepcrel): Deleted.  
                    764:        (final_prescan_insn): Now only prints pc.
                    765:        (shiftcosts, andcosts, multcosts): Work out some insn costs.
                    766:        (gen_ashift, gen_shifty):  Emit code for shift operations.
                    767:        (fixit, hi_const, find_barrier, broken_move,
                    768:        machine_dependent_reorg): New functions to fix move instructions
                    769:        with out-of-range literals.
                    770: 
                    771:        * sh.h (OPTIMIZATION_OPTIONS, CONDITIONAL_REGISTER_USAGE): New.
                    772:        (TARGET_SWITCHES): Extra -m options for experimental calling
                    773:        conventions.
                    774:        (HARD_REGNO_MODE_OK): Use hard_regno_mode_ok vector rather than
                    775:        inline code.  
                    776:        (FRAME_POINTER_REQUIRED): Always 0. 
                    777:        (reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Change order
                    778:        of classes.
                    779:        (FRAME_GROWS_DOWNWARD): Don't define.
                    780:        (FUNCTION_ARG_PARTIAL_NREGS): Always 0.  
                    781:        (MAX_REGS_PER_ADDRESS): Is 2. 
                    782:        (GO_IF_LEGITIMATE_INDEX): Split up into smaller macros.
                    783:        (CASE_VECTOR_MODE, CASE_VECTOR_PC_RELATIVE): Jump tables are of
                    784:        switchable size and always pc relative. 
                    785:        (RTX_COSTS): Use new andcosts, multcosts and shiftcosts functions. 
                    786:        (INSN_SETS_ARE_DELAYED, INSN_REFERENCES_ARE_DELAYED): New.
                    787:        (ASM_OUTPUT_CASE_LABEL, ASM_OUTPUT_ADDR_DIF_ELT): Now switches are
                    788:        pc relative.
                    789: 
                    790:        * sh.md (define_attr length): Calculate lengths more accurately.
                    791:        (define_attr "rte", "hit_stack"): New.  
                    792:        (cmp*):  Allow all conditions by swapping args.  
                    793:        (addc, adddi3, and_ff, casesi, casesi_worker, peepholes): New. 
                    794:        (div*, mul*): Use library routines with special calling
                    795:        conventions. 
                    796:        (shifts): Generate only legal shift insn sequences. 
                    797:        (extend*): Get clobbers right, extra constraints. 
                    798:        (mov*): Greatly simplified.
                    799:        (b*):  Use from_compare function. 
                    800:        (return, rte): Understand pragma interrupt. 
                    801:        (anddi3, iordi3, xordi3): Deleted.  
                    802:        (consttable_2,consttable_4, consttable_8, align_2, align_4,
                    803:        consttable_end, movesi_k, movhi_k, movdi_k): Support for inline
                    804:        literal tables.
                    805:        (movstrsi, block_move_real, block_lump_real): Use new block move
                    806:        routines.
                    807: 
                    808:        * toplev.c (rest_of_compilation): Invoke MACHINE_DEPENDENT_REORG if
                    809:        defined.
                    810: 
                    811: Sat Feb  5 08:05:58 1994  Richard Earnshaw ([email protected])
                    812: 
                    813:        * cse.c (memory_extend_rtx): New variable.
                    814:        (cse_main): Initialize it.
                    815:        (cse_insn): See if we have already loaded a MEM in a wider  mode.
                    816: 
                    817: Sat Feb  5 07:05:29 1994  Jason Merrill  ([email protected])
                    818: 
                    819:        * fixproto: Add lstat to required_list for sys/stat.h
                    820: 
                    821: Fri Feb  4 12:14:49 1994  Stan Cox  ([email protected])
                    822: 
                    823:        * m88k.h: (TARGET_SWITCHES) Assume -muse-div-instruction
                    824:        -mno-check-zero-division for -m88110.  (CONSTANT_ADDRESS_P) Fix a
                    825:        -fpic reload bug.  (DONT_REDUCE_ADDR) Don't strength reduce so
                    826:        m88k scaled loads/stores will be used.  (enum processor_type) Use
                    827:        instead of attr_cpu, which is not always defined.
                    828: 
                    829:        * m88k.md: (movdf) Split movdf so it can go into a branch delay slot
                    830: 
                    831:        * m88k.c: (m88k_gp_threshold) Make -mshort-data- unsigned.
                    832:        (block_move_*) Copy MEM_IN_STRUCT_P for block move cases.
                    833: 
                    834:        * dgux.h: (TARGET_SVR4) Use -msvr4/-msvr3 instead of
                    835:        -mversion-03.00 to choose assembler syntax.
                    836: 
                    837: Fri Feb  4 08:14:31 1994  Richard Kenner  ([email protected])
                    838: 
                    839:        * emit-rtl.c (gen_lowpart_common, gen_highpart): Test *_BIG_ENDIAN
                    840:        with "if", not #if and fix one erroneous test.
                    841: 
                    842: Thu Feb  3 17:15:07 1994  Jim Wilson  ([email protected])
                    843: 
                    844:        * expmed.c (store_bit_field, insv case): Don't use PUT_MODE on
                    845:        xop0 when it is a SUBREG, generate a new SUBREG.
                    846: 
                    847: Thu Feb  3 13:24:14 1994  Alex Zatsman  ([email protected])
                    848: 
                    849:        * hard-reg-set.h (GO_IF_HARD_REG_EQUAL): Fix typo.
                    850: 
                    851: Thu Feb  3 07:45:45 1994  Richard Kenner  ([email protected])
                    852: 
                    853:        * flow.c: Add prototypes for static functions.
                    854:        (uses_reg_or_mem): New function.
                    855:        (find_basic_block): Some cleanups; eliminate shadowed variables.
                    856:        Look for REG_LABEL notes in all insns and allow for multiple such.
                    857:        Don't delete labels in forced_labels.
                    858:        Generalize test for computed jumps.
                    859:        (find_auto_inc): OFFSET should be HOST_WIDE_INT.
                    860:        (mark_used_regs): Put decls of parms in parm order.
                    861:        (find_use_as_address): PLUSCONST should be HOST_WIDE_INT.
                    862: 
                    863:        * reload1.c (eliminate_regs, case INSN_LIST): Properly remake
                    864:        list when we change something further on.
                    865: 
                    866: Wed Feb  2 21:25:03 1994  Jim Wilson  ([email protected])
                    867: 
                    868:        * c-typeck.c (signed_or_unsigned_type): Check for any
                    869:         INTEGRAL_TYPE_P not just INTEGER_TYPE.
                    870: 
                    871:        * Makefile.in (enquire.o): Depend on stmp-int-hdrs.
                    872: 
                    873:        * mips.h (CPP_SPEC): Define __PTRDIFF_TYPE__ not __PTRDIFF_TYPE.
                    874: 
                    875:        * reorg.c (fill_simple_delay_slots): When fill epilogue delay
                    876:        slot, set needed to end_of_function_needs instead of clearing it.
                    877: 
                    878: Wed Feb  2 15:20:38 1994  Philippe De Muyter  ([email protected])
                    879: 
                    880:        * tree.c (FILE_FUNCTION_FORMAT): Fix typo if neither dot nor dollar
                    881:        in label.
                    882: 
                    883: Wed Feb  2 14:38:56 1994  Richard Kenner  ([email protected])
                    884: 
                    885:        * fold-const.c (const_binop, COMPLEX_TYPE, case RDIV_EXPR):
                    886:        If complex integer, use TRUNC_DIV_EXPR for inner division.
                    887: 
                    888:        * c-tree.h: Re-order declarations for functions in c-typeck.c to
                    889:        agree with order there; add some missing declarations.
                    890:        * c-typeck.c: Add prototypes for static functions; delete
                    891:        forward declarations of non-static functions.
                    892:        (initializer_constant_valid_p): Add missing parameter to
                    893:        recursive call.
                    894: 
                    895: Wed Feb  2 14:22:05 1994  Kaveh R. Ghazi  ([email protected])
                    896: 
                    897:        * objc/Makefile (SUBDIR_INCLUDES): Add -I for include directory.
                    898: 
                    899: Wed Feb  2 13:24:23 1994  Chip Salzenberg  ([email protected])
                    900: 
                    901:        * expmed.c (synth_mult): Delay allocation of algorithm structures
                    902:        until they are needed.  Reorder early-exit tests to avoid comparing
                    903:        value that is not yet set.
                    904: 
                    905: Tue Feb  1 18:56:19 1994  Chip Salzenberg  ([email protected])
                    906: 
                    907:        * c-common.c (decl_attributes):  Allow format attributes
                    908:        on old style (non-prototype) function declarations.
                    909: 
                    910: Tue Feb  1 11:25:40 1994  Stephen R. van den Berg  ([email protected])
                    911: 
                    912:        * tree.c (build_type_variant): Simplify by using build_type_copy.
                    913: 
                    914:        * c-decl.c (grokdeclarator): `volatile' function warning
                    915:        corrected to read `noreturn' function warning.
                    916:        (finish_function): Likewise.
                    917:        * cp-decl.c (finish_function): Likewise.
                    918:        * c-typeck.c, cp-typeck.c (c_expand_return): Likewise.
                    919:        * toplev.c (rest_of_compilation): Likewise.
                    920: 
                    921: Tue Feb  1 06:06:22 1994  Richard Kenner  ([email protected])
                    922: 
                    923:        * combine.c (make_extraction): Don't make an extraction that
                    924:        has the potential of crossing a boundary.
                    925: 
                    926:        * regclass.c: Add prototypes for static functions.
                    927:        (auto_inc_dec_reg_p): New function.
                    928:        (regclass): Call it to allow a register needing a secondary reload
                    929:        to be used for inc/dec if it is already valid for it.
                    930: 
                    931:        * gcc.c (default_compilers, @ada): Don't duplicate "-gnat" parameters;
                    932:        pass -quiet unless -Q is specified.
                    933: 
                    934:        * alpha.md (minsf3, maxdf3, mindf3): Properly insert constant of
                    935:        zero into patterns.
                    936: 
                    937: Mon Jan 31 20:55:41 1994  Jim Wilson  ([email protected])
                    938: 
                    939:        * i960.c (i960_function_name_declare): Handle names that start
                    940:        with '*'.
                    941: 
                    942: Mon Jan 31 19:13:59 1994  Chip Salzenberg  ([email protected])
                    943: 
                    944:        Unify error and message functions:
                    945:        * toplev.c: Include "gvarargs.h".
                    946:        (fatal_insn_not_found): Omit superfluous argument to error.
                    947:        (vmessage, v_message_with_file_and_line): New functions.
                    948:        (v_message_with_decl, file_and_line_for_asm): Likewise.
                    949:        (v_error_with_file_and_line, v_error_with_decl): Likewise.
                    950:        (v_error_for_asm, verror, vfatal): Likewise.
                    951:        (v_warning_with_file_and_line, v_warning_with_decl): Likewise.
                    952:        (v_warning_for_asm, vwarning): Likewise.
                    953:        (error_with_file_and_line, error_with_decl, error, fatal): Now just
                    954:        wrappers for above functions.
                    955:        (error_for_asm, warning_with_file_and_line): Likewise.
                    956:        (warning_with_decl, warning_for_asm, warning): Likewise.
                    957: 
                    958: Mon Jan 31 19:03:16 1994  Jim Wilson  ([email protected])
                    959: 
                    960:        * sched.c (sched_analyze_insn): Add use dependencies for registers
                    961:        mentioned in REG_DEAD notes.
                    962: 
                    963:        * configure (mips-tandem-sysv4*): Add.
                    964:        * mips/svr4-t.h, mips/svr4-t-gdb.h: New files.
                    965: 
                    966:        * sched.c (priority): Call insn_cost() for anti- and output-
                    967:        dependencies as well as for true dependencies.
                    968: 
                    969:        * cse.c (find_best_addr): Limit number of cse_gen_binary calls to
                    970:        20 per iteration.
                    971: 
                    972: Mon Jan 31 18:08:27 1994  Richard Kenner  ([email protected])
                    973: 
                    974:        * real.c (emovo): Use separate variable for loop index.
                    975: 
                    976:        * fold-const.c (operand_equal_for_comparison_p): Declare
                    977:        correct_width as unsigned.
                    978: 
                    979:        * configure (m68k-wrs-vxworks): Fix typo in name.
                    980: 
                    981:        * Makefile.in (cross-test, enquire, protoize, unprotoize):
                    982:        Specify program name in -o to force into build directory.
                    983: 
                    984:        * i386/sol2.h (CPP_SPEC): Add -Dsun.
                    985: 
                    986:        * alpha/gdb.h: Renamed from alpha-gdb.h.
                    987:        * alpha/gdb-osf12.h: New file.
                    988:        * configure (alpha): Reflect new name for files and support
                    989:        gdb with OSF V1.2.
                    990: 
                    991: Mon Jan 31 15:18:40 1994  Jim Wilson  ([email protected])
                    992: 
                    993:        * bc-emit.c (class_narrowest_mode, byte_mode, word_mode): Add
                    994:        extern to declaration.
                    995:        * expr.c (local_vars_size): Likewise.
                    996: 
                    997:        * genattrtab.c (expand_units): When calculate BLOCKAGE, reverse
                    998:        terms to POS_MINUS_OP.  Clarify comment before BLOCKAGE computation.
                    999:        (write_complex_function): Use EXECUTING_INSN for first switch, and
                   1000:        CANDIDATE_INSN for second switch.
                   1001: 
                   1002:        * sparc/lite.h (TARGET_DEFFAULT): Add -mapp-regs.
                   1003:        * sparc/sparc.h (TARGET_APP_REGS): Define.
                   1004:        (TARGET_SWITCHES): Add new options -mapp-regs and -mno-app-regs.
                   1005:        (TARGET_DEFAULT): Add -mapp-regs.
                   1006:        (CONDITIONAL_REGISTER_USAGE): Make %g2, %g3, and %g4 be fixed when
                   1007:        the -mno-app-regs option is used.
                   1008:        * sparc/sun4os3.h (TARGET_DEFAULT): Delete.
                   1009: 
                   1010:        * svr4-5.h (STARTFILE_SPEC): Include values-X[cta].o file in link.
                   1011: 
                   1012:        * xcoffout.c (ASM_OUTPUT_LFE): Output absolute line number not
                   1013:        relative line number.
                   1014: 
                   1015: Fri Jan 28 19:20:07 1994  Michael Collison  ([email protected])
                   1016: 
                   1017:        * flow.c (find_auto_inc): Check for increment using single_set.
                   1018: 
                   1019: Fri Jan 28 19:11:17 1994  David Edelsohn  ([email protected])
                   1020: 
                   1021:        * rs6000.md (fsel): Remove insns with record bit set.
                   1022: 
                   1023: Thu Jan 27 18:22:25 1994  Richard Kenner  ([email protected])
                   1024: 
                   1025:        * alpha.c (output_prolog): Fix typo in previous change.
                   1026: 
                   1027: Wed Jan 26 18:19:51 1994  Per Bothner  ([email protected])
                   1028: 
                   1029:        * c-typeck.c (initializer_constant_valid_p):  Make non-static.
                   1030:        (It's used by the Chill back-end.)
                   1031: 
                   1032: Wed Jan 26 13:54:40 1994  Jim Wilson  ([email protected])
                   1033: 
                   1034:        * sched.c (attach_deaths_insn): Add REG_DEAD notes to CLOBBER if
                   1035:        it is for a MEM.
                   1036: 
                   1037: Tue Jan 25 08:30:11 1994  Chip Salzenberg  ([email protected])
                   1038: 
                   1039:        * cse.c (HASHBITS): Removed.
                   1040:        (HASH, struct set, canon_hash, safe_hash, remove_from_table):
                   1041:        Generate and use unsigned hash values, to avoid potential trouble
                   1042:        with signed shift/overflow.
                   1043:        Also name variables consistently: "hash", not "hash_code".
                   1044:        (lookup, lookup_for_remove, insert, merge_equiv_classes): Likewise.
                   1045:        (invalidate, rehash_using_reg, invalidate_for_call): Likewise.
                   1046:        (find_best_addr, record_jump_cond, cse_insn):  Likewise.
                   1047: 
                   1048: Mon Jan 24 18:59:59 1994  Jim Wilson  ([email protected])
                   1049: 
                   1050:        * expmed.c (store_split_bit_field):  For BYTES_BIG_ENDIAN, only
                   1051:        pad on left if value not in memory.  Reject gen_lowpart_common
                   1052:        output if it returns the input value.
                   1053: 
                   1054:        * unroll.c (copy_loop_body): When delete simplified condjump,
                   1055:        protect the label, so that it doesn't get deleted also.
                   1056: 
                   1057:        * toplev.c (compile_file): If yyparse returns an error, pop all
                   1058:        pending binding levels.
                   1059: 
                   1060: Mon Jan 24 18:30:53 1994  Doug Evans  ([email protected])
                   1061: 
                   1062:        * objc/Object.h (streamVersion, read, write): #ifndef out for the
                   1063:        alpha since TypedStream not supported there yet.
                   1064:        * objc/Object.m (streamVersion, read, write): Ditto.
                   1065: 
                   1066: Mon Jan 24 17:40:56 1994  Jim Wilson  ([email protected])
                   1067: 
                   1068:        * sparc.c (sparc_address_cost): Delete.
                   1069:        * sparc.h (ADDRESS_COST): Define to 1.
                   1070: 
                   1071:        * bsd-5.h, mips-5.h, svr3-5.h, svr4-5.h (ASM_OUTPUT_NEWLINE):
                   1072:        Define new macro.
                   1073:        * mips.h (ASM_OUTPUT_NEWLINE): New default for new macro.
                   1074:        (ASM_OUTPUT_ASCII): Use ASM_OUTPUT_NEWLINE.
                   1075: 
                   1076:        * sparc.h (ASM_OUTPUT_COMMON): Don't output .global.  Use SIZE not
                   1077:        ROUNDED.
                   1078:        (ASM_OUTPUT_LOCAL): Delete.
                   1079:        (ASM_OUTPUT_ALIGNED_LOCAL): Define.
                   1080: 
                   1081: Sun Jan 23 18:57:01 1994  Richard Earnshaw ([email protected])
                   1082: 
                   1083:        * expr.c (do_jump_for_compare): Initialize JUMP_LABEL for the branch
                   1084:        insn before trying to invert it.
                   1085: 
                   1086: Sun Jan 23 18:40:23 1994  Samuel A. Figueroa  ([email protected])
                   1087: 
                   1088:        * i386/os2.h (PATH_SEPARATOR): New macro.
                   1089:        * i386/gas.h (ASM_FILE_START): Delete; identical to one in bsd.h,
                   1090:        which is included.
                   1091: 
                   1092: Sun Jan 23 18:21:23 1994  Randy S. Welch  ([email protected])
                   1093: 
                   1094:        * m68k/plexus.h: Assume GAS 2.x used and add support for debugging.
                   1095: 
                   1096: Sun Jan 23 06:19:28 1994  Richard Kenner  ([email protected])
                   1097: 
                   1098:        * reload.c (find_reloads): Properly test for output operand
                   1099:        when changing RELOAD_FOR_OUTPUT_ADDRESS to RELOAD_FOR_INPUT_ADDRESS.
                   1100: 
                   1101:        * combine.c (subst, case SUBREG): Handle paradoxical SUBREG of
                   1102:        constant.
                   1103:        (IF_THEN_ELSE): Add missing "else" and check for comparison
                   1104:        before calling reversible_comparison_p.
                   1105: 
                   1106:        * c-typeck.c (output_init_elements): Use FIELD instead
                   1107:        of constructor_fields when doing alignment and sizing.
                   1108:        (output_pending_init_elements): Don't blow up when writing
                   1109:        other than first field put haven't written anything yet.
                   1110:        Update constructor_bit_index when we emit a skip.
                   1111: 
                   1112:        * toplev.c (rest_of_compilation): Defer compilation of function
                   1113:        that were specified as inline, whether or not they actually were
                   1114:        inlined.
                   1115: 
                   1116:        * alpha.h (OBJECT_FORMAT_COFF, EXTENDED_COFF, NM_FLAGS): Define.
                   1117:        * x-alpha: New file.
                   1118: 
                   1119:        * combine.c (simplify_comparison): Can remove NOT on both operands
                   1120:        if we swap comparison code.
                   1121: 
                   1122:        * rs6000.md: Insert some missing blank lines.
                   1123: 
                   1124:        * alpha.c (output_{pro,epi}log): Use assemble_name to output
                   1125:        alpha_function_name.
                   1126: 
                   1127:        * combine.c (simplify_comparison): Fix typos in last change.
                   1128: 
                   1129: Sun Jan 23 05:59:31 1994  Per Bothner  ([email protected])
                   1130: 
                   1131:        * c-typeck.c (really_start_incremental_init): Save current elements
                   1132:        instead of clearing them.
                   1133: 
                   1134: Sat Jan 22 15:50:29 1994  Richard Kenner  ([email protected])
                   1135: 
                   1136:        * c-typeck.c (c_expand_return): Issue a warning if returning
                   1137:        address of non-static local object.
                   1138: 
                   1139:        * combine.c (if_then_else_cond): Don't do anything with COMPARE.
                   1140:        (simplify_comparison): Strip SIGN_EXTEND, NOT, or NEG when
                   1141:        both operands have it.
                   1142: 
                   1143:        * combine.c (num_sign_bit_copies): Ifndef WORD_REGISTER_OPERATIONS,
                   1144:        ensure we don't do the wrong thing if X is narrower than MODE.
                   1145: 
                   1146: Thu Jan 20 01:06:23 1994  Jeffrey A. Law  ([email protected])
                   1147: 
                   1148:        * pa.h (ASM_OUTPUT_SOURCE_LINE): Make the first source line stab
                   1149:        for each procedure special to avoid the need for nasty hacks in GAS.
                   1150: 
                   1151:        * pa.md (iorscc): Fix typo.
                   1152: 
                   1153: Wed Jan 19 19:35:37 1994  Torbjorn Granlund  ([email protected])
                   1154: 
                   1155:        * pa.h (ASM_GLOBALIZE_LABEL): Don't globalize function labels here.
                   1156: 
                   1157: Mon Jan 17 16:38:16 1994  Jim Wilson  ([email protected])
                   1158: 
                   1159:        * xcoffout.c (xcoffout_begin_block): Don't emit a .bb for the
                   1160:        function level scope.
                   1161:        (xcoffout_end_block): Don't emit a .eb for the function level
                   1162:        scope.
                   1163: 
                   1164: Sun Jan 16 14:29:31 1994  Richard Stallman  ([email protected])
                   1165: 
                   1166:        * config.sub: Alphabetize the list of machine-name aliases.
                   1167:        Add nh3000 and nh[45]000.
                   1168:        Delete duplicate clauses for hp9k2... and hp9k31...
                   1169: 
                   1170: Sat Jan 15 18:06:45 1994  Torbjorn Granlund  ([email protected])
                   1171: 
                   1172:        * config/sparc/sparc.md (smulsi3_highpart): New pattern.
                   1173:        (umulsi3_highpart): New pattern.
                   1174:        * config/mips/mips.md (smulsi3_highpart): New pattern.
                   1175:        (umulsi3_highpart): New pattern.
                   1176: 
                   1177: Thu Jan 13 18:54:27 1994  Jim Wilson  ([email protected])
                   1178: 
                   1179:        * iris3.h (CPP_SPEC): Define __SIZE_TYPE__, __PTRDIFF_TYPE__, and
                   1180:        __mips.
                   1181:        (SIZE_TYPE, PTRDIFF_TYPE): Delete.
                   1182:        * mips.c (dfhigh, dflow, sfhigh, sflow): New variables.
                   1183:        (mips_sw_reg_names): Consistently use $ as name prefix.
                   1184:        (large_int): Handle 64 bit constants.
                   1185:        (reg_or_0_operand, mips_const_double_ok): Don't examine
                   1186:        CONST_DOUBLE internals.
                   1187:        (mips_const_double_ok): Use REAL_VALUE_* macros.
                   1188:        (simple_memory_operand): Add 64 bit support.  Only test
                   1189:        TARGET_GP_OPT to determine if doing gp optimizations.  Pass
                   1190:        address not MEM to eliminate_constant_term.  Use SMALL_INT.
                   1191:        (mips_fill_delay_slot): Add 64 bit support.
                   1192:        (mips_move_1word): Add 64 bit support.  Don't examine CONST_DOUBLE
                   1193:        internals.
                   1194:        (mips_move_2words): Likewise.
                   1195:        (mips_address_cost): Pass address not MEM to
                   1196:        eliminate_constant_term.  Use SMALL_INT.
                   1197:        (gen_int_relational): New variable mode.  Add 64 bit support.
                   1198:        (gen_conditional_branch): Add 64 bit support.
                   1199:        (block_move_load_store, block_move_loop, block_move_call,
                   1200:        expand_block_move, output_block_move, function_arg_advance,
                   1201:        function_arg, function_arg_partial_nregs): Likewise.
                   1202:        (override_options): Clear MASK_GPOPT if threshold is zero or
                   1203:        negative.  Set MASK_GPOPT if optimizing.  Set mips_isa from -misa=
                   1204:        option, else from MIPS_ISA_DEFAULT if defined, else to 1.  Make
                   1205:        default cpu depend on isa.  Add cpus r4400, r4600, orion.  Rewrite
                   1206:        TARGET_NAME_REGS support.  Initialize dfhigh, dflow, sfhigh,
                   1207:        sflow.  Add 64 bit support.
                   1208:        (print_operand): Use REAL_VALUE_* macros.
                   1209:        (mips_output_external): Don't depend on mips_section_threshold.
                   1210:        (make_temp_file): Define P_tmpdir when __MSDOS__.  Malloc filename
                   1211:        string.  Don't unlink temp file when __MSDOS__.
                   1212:        (mips_asm_file_start): Delete TARGET_NAME_REGS support.
                   1213:        (mips_asm_file_end): Unlike temp file when __MSDOS__.
                   1214:        (mips_declare_object): Don't test mips_sections_threshold.
                   1215:        (compute_frame_size, save_restore_insns, function_prologue,
                   1216:        mips_expand_prologue, function_epilogue, mips_expand_epilogue):
                   1217:        Add 64 bit support.
                   1218:        (function_epilogue): Correctly output `#' before .set volatile.
                   1219:        * mips.h (enum cmp_type): Add 64 bit support.
                   1220:        (enum processor_type): Add PROCESSOR_R4600.
                   1221:        (MASK_64BIT, TARGET_64BIT): New mask bit, to indicate 64 bit mode.
                   1222:        (HAVE_64BIT_P, OPTIMIZATION_OPTIONS): Delete.
                   1223:        (CPP_SPEC): Don't abort if not defined.
                   1224:        (CC1_SPEC): -mips1 and -mips2 imply -mfp32. -mips3 implies -mfp64.
                   1225:        (CPP_SPEC): Define __SIZE_TYPE__, __PTRDIFF_TYPE__, and __mips.
                   1226:        (BITS_PER_WORD, UNITS_PER_WORD, INT_SIZE_TYPE, LONG_TYPE_SIZE,
                   1227:        LONG_LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
                   1228:        PARM_BOUNDARY, EMPTY_FIELD_BOUNDARY, HARD_REGNO_NREGS,
                   1229:        CONST_OK_FOR_LETTER_P, STACK_ARGS_ADJUST, FUNCTION_PROFILER,
                   1230:        TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE, TRAMPOLINE_ALIGNMENT,
                   1231:        INITIALIZE_TRAMPOLINE, CASE_VECTOR_MODE, MOVE_MAX,
                   1232:        TRULY_NOOP_TRUNCATION, Pmode, FUNCTION_MODE,
                   1233:        ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
                   1234:        ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add 64 bit support.
                   1235:        (MAX_BITS_PER_WORD, MAX_UNITS_PER_WORD, UNITS_PER_FPREG,
                   1236:        MAX_INT_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
                   1237:        MAX_MOVE_MAX): Define.
                   1238:        (INDEX_REG_CLASS): NO_REGS not GR_REGS.
                   1239:        (CONST_DOUBLE_OK_FOR_LETTER_P): Don't examine CONST_DOUBLE
                   1240:        internals.
                   1241:        (PREFERRED_RELOAD_CLASS): Return CLASS if it isn't ALL_REGS.
                   1242:        (TRANSFER_FROM_TRAMPOLINE, ASM_OUTPUT_CASE_LABEL): Delete.
                   1243:        (REGNO_OK_FOR_INDEX_P, REG_OK_FOR_INDEX_P): Redefine to 0.
                   1244:        (GO_IF_LEGITIMATE_ADDRESS): Delete redundant code0 == REG test.
                   1245:        (ENCODE_SECTION_INFO): Don't test mips_section_threshold.
                   1246:        (CONST_COSTS): CONST_INT have cost 0 not CONSTS_N_INSNS (0).  Pass
                   1247:        address not MEM to eliminate_constant_term.  Add 64 bit support.
                   1248:        (MEMORY_MOVE_COST, ASM_OUTPUT_DOUBLE_INT): Define.
                   1249:        (EXTRA_SECTIONS): Delete in_last_p1.
                   1250:        (SELECT_RTX_SECTION): Delete division by BITS_PER_UNIT.
                   1251:        (NO_BUILTIN_SIZE_TYPE, NO_BUILTIN_PTRDIFF_TYPE): Define.
                   1252:        (SIZE_TYPE, PTRDIFF_TYPE): Add 64 bit support.
                   1253:        * mips.md (cpu): Add r4600.
                   1254:        (define_function_unit): Correct numerous errors.  Add r4600.
                   1255:        (adddi3*, subdi3*, mulsidi3, umulsidi3, negdi2*, one_cmpdl2*,
                   1256:        nordi2*, anddi2*, iordi3*, xordi3*, movdi*, ashldi3*, ashrdi3*,
                   1257:        lshrdi3*, seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu,
                   1258:        indirect_jump, tablejump, call*, call_value*): Add 64 bit support.
                   1259:        (adddi3_internal_3, addsi3_internal_2, subdi3_internal_3,
                   1260:        subsi3_internal_2, muldi3, muldi3_internal, divmoddi4, udivmoddi4,
                   1261:        divdi3, moddi3, udivdi3, umoddi3, absdi3, ffsdi2,
                   1262:        negdi2_internal_2, anddi3_internal1, xordi3_immed, truncdisi2,
                   1263:        truncdihi2, truncdiqi2, zero_extendsidi2,
                   1264:        zero_extendsidi2_interal, zero_extendhidi2, zero_extendqidi2,
                   1265:        extendsidi2, extendhidi2, extendhidi2_internal, extendqidi2,
                   1266:        extendqidi2_insn, fix_truncdfdi2, fix_truncsfdi2, floatdidf2,
                   1267:        floatdisf2, fixuns_truncdfdi2, fixuns_truncdfsi2,
                   1268:        ashldi3_internal4, ashrdi3_internal_4, lshrdi3_internal4, cmpdi,
                   1269:        tstdi, branch_zero_di, branch_equality_di, seq_di_zero, seq_di,
                   1270:        sne_di_zero, sne_di, sgt_di, sge_di, slt_di, sle_di_const,
                   1271:        sle_di_reg, sgtu_di, sgeu_di, sltu_di, sleu_di_const, sleu_di_reg,
                   1272:        indirect_jump_internal1, indirect_jump_internal2,
                   1273:        tablejump_internal1, tablejump_internal2): New patterns.
                   1274:        (mulsi3): Add missing mips_move_1word parameter.
                   1275:        (mulsi3+1): Don't split on r4000.
                   1276:        (divmodsi4, udivmodsi4, udivsi3, umodsi3): Correct lengths.
                   1277:        (divsi3, modsi3, udivsi3, umodsi3): Allow constant operands.
                   1278:        (sqrtdf2, sqrtsf2): Correct type attribute.
                   1279:        (abssi2): Add mips2 support.
                   1280:        (movsi_unaligned, movsi_ulw, movsi_usw): Comment out.
                   1281:        (movsf, movdf): Use F not E.
                   1282:        (cmpdf, cmpsf, branch_fp*, s{eq,ne,lt,le,gt,ge}_[ds]f): Depend on
                   1283:        TARGET_HARD_FLOAT.
                   1284:        * va-mips.h: Add 64 bit support.
                   1285: 
                   1286: Thu Jan 13 06:14:17 1994  Paul Eggert  ([email protected])
                   1287: 
                   1288:        * c-parse.in (maybe_attribute): Allow multiple __attribute__
                   1289:        clauses on a declaration.
                   1290: 
                   1291: Thu Jan 13 06:01:09 1994  Richard Kenner  ([email protected])
                   1292: 
                   1293:        * a29k.h (REG_CLASS_CONTENTS): Fix problems with last word of
                   1294:        register set in some classes.
                   1295: 
                   1296:        * a29k.h (MEMORY_MOVE_COST): New macro.
                   1297: 
                   1298: Thu Jan 13 05:42:30 1994  Torbjorn Granlund  ([email protected])
                   1299: 
                   1300:        * config.sub: Fix typo in -hiux* case.
                   1301: 
                   1302: Wed Jan 12 13:25:12 1994  Per Bothner  ([email protected])
                   1303: 
                   1304:        * dbxout.c (dbxout_range_type):  If the range has a base type
                   1305:        (TREE_TYPE), emit it, even if that is some other integer type.
                   1306: 
                   1307: Wed Jan 12 06:02:23 1994  David Edelsohn  ([email protected])
                   1308: 
                   1309:        * rs6000.h (MASK and TARGET): Change POWERPCSQR to PPCFPX to
                   1310:        describe both fsqrt and fsel.
                   1311:        (TARGET_SWITCHES): powerpc64 implies ppcfpx.
                   1312:        * rs6000.c (rs6000_override_options): Change POWERPCSQR to PPCFPX.
                   1313:        * rs6000.md (sqrtsf2, sqrtdf2): Change POWERPCSQR to PPCFPX.
                   1314:        (maxsf3, minsf3, maxdf3, mindf3): New patterns using fsel instruction.
                   1315: 
                   1316: Tue Jan 11 19:14:31 1994  Richard Kenner  ([email protected])
                   1317: 
                   1318:        * a29k.c (output_prolog): Update debug reg map when 
                   1319:        we have -mkernel-registers.
                   1320: 
                   1321:        * fold-const.c (fold, truth_andor): Don't apply distributive
                   1322:        law when it would change evaluation order.
                   1323:        Clean up code a bit to improve flow.
                   1324: 
                   1325: Mon Jan 10 19:37:27 1994  David Robinson ([email protected])
                   1326: 
                   1327:        * expr.c (emit_move_insn_1): Call gen_realpart and gen_imagpart
                   1328:        instead of gen_lowpart and gen_highpart.
                   1329:        * function.c (assign_parms): Likewise.
                   1330:        * optabs.c: Remove redundant prototype for gen_highpart.
                   1331: 
                   1332: Mon Jan 10 19:14:07 1994  Richard Earnshaw ([email protected])
                   1333: 
                   1334:        * jump.c (comparison_dominates_p): NE is dominated by LT, GT, LTU
                   1335:        and GTU.
                   1336: 
                   1337: Mon Jan 10 19:06:57 1994  Richard Kenner  ([email protected])
                   1338: 
                   1339:        * emit-rtl.c (gen_{real,imag}part): Extract value from
                   1340:        CONCAT directly.
                   1341:        (gen_lowpart_common, gen_highpart): Don't do it here.
                   1342: 
                   1343:        * cse.c (simplify_relational_operation): Don't do anything with CC0
                   1344:        in addition to MODE_CC values.
                   1345: 
                   1346:        * expr.c (protect_from_queue): If (MEM (QUEUED ...)), modify a
                   1347:        new MEM instead of the one we were passed.
                   1348: 
                   1349:        * i386/linux.h: Update banner, reformat comments.
                   1350:        (STARTFILE_SPEC, GPLUSPLUS_INCLUDE_DIR): No longer conditional
                   1351:        on CROSS_COMPILER.
                   1352:        * Makefile.in (gcc.o, cccp.o): No longer define TOOLDIR.
                   1353: 
                   1354:        * regclass.c (globalize_reg): New function.
                   1355:        (init_reg_sets_1): Don't handle global regs here.
                   1356:        * varasm.c (make_decl_rtl): Call globalize_reg, not init_reg_sets_1.
                   1357: 
                   1358:        * a29k.c (print_operand, case 'F'): If we have to do the last
                   1359:        prolog insn, give that priority for an unfilled delay slot.
                   1360: 
                   1361:        * function.c (preserve_rtl_expr_result): New function.  
                   1362:        * expr.c (exand_expr, case RTL_EXPR): Call it.
                   1363: 
                   1364: Mon Jan 10 13:43:04 1994  Jim Wilson  ([email protected])
                   1365: 
                   1366:        * sched.c (new_insn_dead_notes): Compare registers with rtx_equal_p.
                   1367: 
                   1368:        * Makefile.in (Makefile, stmp-fixinc, deduced.h, stmp-fixproto):
                   1369:        Execute shell scripts with $(SHELL).
                   1370:        * config/x-lynx (SHELL): Define to /bin/bash.
                   1371: 
                   1372: Sun Jan  9 22:31:00 1994  Jeffrey A. Law  ([email protected])
                   1373: 
                   1374:        * pa.md (special indexed fpstores): Fix assorted typos.
                   1375: 
                   1376: Sun Jan  9 04:34:17 1994  James Van Artsdalen  (james at bigtex.cactus.org)
                   1377: 
                   1378:        * jump.c (follow_jumps): Don't follow tablejumps.
                   1379: 
                   1380:        * Makefile.in (install-headers-cpio): Run cpio in include-dir.
                   1381: 
                   1382: Sat Jan  8 14:54:06 1994  Doug Evans  ([email protected])
                   1383: 
                   1384:        * toplev.c (rest_of_compilation): jump_optimize can change max_reg_num
                   1385:        so rerun reg_scan before calling cse_main.
                   1386: 
                   1387: Fri Jan  7 20:34:14 1994  Torbjorn Granlund  ([email protected])
                   1388: 
                   1389:        * config/alpha/alpha.h (RTX_COSTS): Return actual costs for
                   1390:        multiplication.
                   1391: 
                   1392: Tue Jan  4 13:44:09 1994  Jim Wilson  ([email protected])
                   1393: 
                   1394:        * sdbout.c (sdbout_symbol): Handle variables at zero offset from
                   1395:        frame pointer.
                   1396: 
                   1397: Tue Jan  4 07:35:05 1994  Richard Kenner  ([email protected])
                   1398: 
                   1399:        * tree.c (substitute_expr): Don't abort for RTL_EXPR and
                   1400:        SAVE_EXPR; just do nothing.
                   1401: 
                   1402: Tue Jan  4 00:52:15 1994  Jeffrey A. Law  ([email protected])
                   1403: 
                   1404:        * pa.md (andsi3): Use "?" instead of "!" to avoid losing
                   1405:        in some cases.
                   1406: 
                   1407: Mon Jan  3 16:59:34 1994  Torbjorn Granlund  ([email protected])
                   1408: 
                   1409:        * jump.c (thread_jumps): Don't thread to loop label;
                   1410:        create new label before loop instead.
                   1411:        (thread_jumps): Rename argument `verbose' -> `flag_before_jump'.
                   1412:        * toplev.c (rest_of_compilation): Pass 1 for flag_before_jump
                   1413:        first time we call thread_jumps.
                   1414: 
                   1415:        * c-typeck (build_binary_op, case *_DIV_EXPR): Use same shorten
                   1416:        condition as for *_MOD_EXPR.
                   1417: 
                   1418: Mon Jan  3 08:00:16 1994  Richard Kenner  ([email protected])
                   1419: 
                   1420:        * fold-const.c (truth_value_p): New function.
                   1421:        (fold): Use it to see when we should make a TRUTH_{AND,OR}_EXPR.
                   1422:        (fold, case TRUTH_{AND,OR,ANDIF,ORIF}_EXPR): Use distributive
                   1423:        law on expressions such as (A && B) || (A && C).
                   1424: 
                   1425: Sun Jan  2 08:14:38 1994  Richard Kenner  ([email protected])
                   1426: 
                   1427:        * cse.c (simplify_relational_operation): Correct declaration of
                   1428:        variables holding parts of constants.
                   1429: 
                   1430: Fri Dec 31 06:27:57 1993  Richard Kenner  ([email protected])
                   1431: 
                   1432:        * toplev.c (main): Turn on -fomit-frame-pointer if it is safe.
                   1433:        Add -O3, which turns on -finline-functions.
                   1434:        * a29k.h, alpha.h, clipper.h, h8300.h, m88k.h, pa.h, romp.h, rs6000.h:
                   1435:        Define CAN_DEBUG_WITHOUT_FP; delete OPTIMIZATION_OPTIONS.
                   1436:        * sh.h, sparc.h: Likewise.
                   1437:        * arm.h: Delete OPTIMIZATION_OPTIONS.
                   1438:        * h8300.h: Define NO_FUNCTION_CSE and CAN_DEBUG_WITHOUT_FP;
                   1439:        delete OVERRIDE_OPTIONS.
                   1440:        * i960.h (OPTIMIZATION_OPTIONS): Just turn on machine-specific opts.
                   1441:        (CAN_DEBUG_WITHOUT_FP): Define.
                   1442:        * mips.h (CAN_DEBUG_WITHOUT_FP): Define.
                   1443:        (OPTIMIZATION_LEVELS): Just set MASK_GPOPT.
                   1444: 
                   1445:        * cse.c (simplify_relational_operation): Rewrite and simplify.
                   1446:        Add case when we can simplify A-B for compare of A and B.
                   1447: 
                   1448:        * combine.c (added_links_insn): New variable.
                   1449:        (distribute_links): Set it.
                   1450:        (if_then_else_cond): New function.
                   1451:        (try_combine): Return added_links_insn if it is earlier than what
                   1452:        we would otherwise return.
                   1453:        (subst): Generalize (OP X Y) to call if_then_else_cond
                   1454:        instead of only checking for an explicit IF_THEN_ELSE.
                   1455:        (subst, case IF_THEN_ELSE): When converting to a MULT, simplify
                   1456:        the MULT before putting it into OP.
                   1457:        (subst, case AND): Don't make IF_THEN_ELSE here; now made in
                   1458:        generic case earlier.
                   1459: 
                   1460:        * combine.c (force_to_mode): Add new parm JUST_SELECT; all
                   1461:        callers changed.
                   1462: 
                   1463: Wed Dec 29 18:05:00 1993  Leonid Baraz  ([email protected])
                   1464: 
                   1465:        * fold-const.c (fold, case PLUS_EXPR): Add a missing test of 
                   1466:        flag_fast_math.
                   1467: 
                   1468: Wed Dec 29 06:52:07 1993  Richard Kenner  ([email protected])
                   1469: 
                   1470:        * cse.c (simplify_binary_operation, case MULT): Don't convert
                   1471:        to ASHIFT if still generating RTL.
                   1472: 
                   1473: Mon Dec 27 22:15:55 1993  Ian Lance Taylor  ([email protected])
                   1474: 
                   1475:        * fixincludes: Do not fix <sundev/ipi_error.h>, because SunOS
                   1476:        sed can not handle the very large macro it contains.
                   1477: 
                   1478: Mon Dec 27 06:28:48 1993  Richard Kenner  ([email protected])
                   1479: 
                   1480:        * alpha.md (maxsf3, minsf3): Correct numerous errors.
                   1481: 
                   1482:        * combine.c (subst, case MINUS): Allow some FP simplifications 
                   1483:        if -ffast-math.
                   1484:        (reversible_comparison_p): FP comparisons reversible with -ffast-math.
                   1485:        * cse.c (simplify_binary_operation, fold_rtx): Allow some FP
                   1486:        simplications with -ffast-math.
                   1487:        (simplify_relational_operation): FP comparisons can be reversed
                   1488:        if -ffast-math is specified.
                   1489:        * fold-const.c (fold): Simplify more FP ops if -ffast-math.
                   1490:        * jump.c (can_reverse_comparison_p): Return 1 if -ffast-math.
                   1491:        * loop.c (get_condition): Can reverse comparison if -ffast-math.
                   1492: 
                   1493:        * alpha.c (ior_operand): New function.
                   1494:        * alpha.h (PREDICATE_CODES): Add ior_operand.
                   1495:        * alpha.md (iordi3): Use ornot for some constant cases.
                   1496: 
                   1497: Sun Dec 26 07:55:26 1993  Richard Kenner  ([email protected])
                   1498: 
                   1499:        * expr.c (do_tablejump): Call emit_cmp_insn with likely-constant
                   1500:        as second operand.
                   1501: 
                   1502:        * jump.c (jump_optimize): When deleting an insn after a jump,
                   1503:        update reallabelprev since it might point to the deleted insn.
                   1504: 
                   1505:        * cse.c (count_reg_usage): Don't count a register used within
                   1506:        a SET that sets it.
                   1507:        (delete_dead_from_cse): Pass new parm to count_reg_usage.
                   1508: 
                   1509:        * cse.c (fold_rtx, case PLUS): If we have (plus A B), A is
                   1510:        equivalent to a negative constant, and the negated constant is in
                   1511:        register, convert to (minus A C) where C is the register containing
                   1512:        the negated constant.
                   1513: 
                   1514: Sat Dec 25 23:47:01 1993  Jeffrey A. Law  ([email protected])
                   1515: 
                   1516:        * pa.h (DBX_BLOCKS_FUNCTION_RELATIVE): Define.
                   1517:        (ASM_OUTPUT_SOURCE_LINE): Likewise.
                   1518:        (DBX_FUNCTION_FIRST): Likewise.
                   1519: 
                   1520:        * pa.h (FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM): Change to %r3
                   1521:        for compatability with HP compilers.
                   1522: 
                   1523:        * pa.h (READONLY_DATA_SECTION): Re-enable use of $LIT$.
                   1524: 
                   1525: Sat Dec 25 06:05:28 1993  Richard Kenner  ([email protected])
                   1526: 
                   1527:        * emit-rtl.c (gen_reg_rtx): Only clear part of arrays we aren't
                   1528:        going to copy into.
                   1529: 
                   1530:        * expr.c (expand_expr, case CONSTRUCTOR): If have a target,
                   1531:        don't build constructor into memory.
                   1532: 
                   1533:        * expr.c (expand_expr, case ARRAY_REF): Remove uses of *_type_node
                   1534:        and simplify folding a reference to a character in a STRING_CST.
                   1535: 
                   1536:        * a29k.c, a29k.h: Rename R_ACC to R_ACU to not conflict with access.h.
                   1537: 
                   1538:        * m68k/crds.h (HAVE_VPRINTF): Delete from here.
                   1539:        * m68k/xm-crds.h (HAVE_VPRINTF): Define.
                   1540:        * m68k/dpx2.h (USG): Delete from here (already in xm.h file).
                   1541: 
                   1542:        * print-tree.c (print_node, print_node_brief): Say something
                   1543:        when TREE_CONSTANT_OVERFLOW is set.
                   1544: 
                   1545:        * loop.c (check_dbra_loop): Fix error in previous change.
                   1546: 
                   1547:        * combine.c (set_nonzero_bits_and_sign_copies, nonzero_bits):
                   1548:        Fix errors in SHORT_IMMEDIATES_SIGN_EXTEND code.
                   1549: 
                   1550:        * alpha.h (FUNCTION_ARG): Pass complex float in float regs.
                   1551: 
                   1552:        * fold-const.c (fold, case EQ_EXPR, NE_EXPR): If COMPLEX_TYPE
                   1553:        and at least one arg is a COMPLEX_EXPR, split into a logical
                   1554:        operation on the real and imaginary parts.
                   1555: 
                   1556:        * c-typeck.c (common_type): For COMPLEX_TYPE, return one of the
                   1557:        original types if is the desired common type.
                   1558:        (build_binary_op): Use SHORT_COMPARE code even if complex.      
                   1559: 
                   1560:        * c-decl.c (grokdeclarator): Properly validate __complex__ and
                   1561:        create the various kinds of complex integer types.
                   1562: 
                   1563:        * cse.c (simplify_unary_operations): Check that operations really
                   1564:        are double-word before doing them.
                   1565: 
                   1566: Fri Dec 24 15:21:16 1993  Jim Wilson  ([email protected])
                   1567: 
                   1568:        * cccp.c (read_name_map, read_filename_string, open_include_file):
                   1569:        New functions.
                   1570:        (struct file_name_list): New members: name_map, got_name_map.
                   1571:        (main, path_include, do_include, do_once): Set got_name_map.
                   1572:        (do_include): Use open_include_file instead of open.  Add new
                   1573:        parameter to lookup_import calls.
                   1574:        (lookup_import): New parameter searchptr.  Call open_include_file
                   1575:        instead of open.
                   1576: 
                   1577:        * expr.c (convert_modes): Can't truncate REG with gen_lowpart if
                   1578:        TRULY_NOOP_TRUNCATION doesn't allow it.
                   1579: 
                   1580: Fri Dec 24 14:36:53 1993  Jeffrey A. Law  ([email protected])
                   1581: 
                   1582:        * cse.c (cse_insn): Set "cse_jumps_altered" when collapsing
                   1583:        a switch statement into an unconditional jump.
                   1584:        * toplev.c (rest_of_compilation): Rerun jump_optimize
                   1585:        before the second CSE pass.
                   1586: 
                   1587: Fri Dec 24 05:34:38 1993  Richard Kenner  ([email protected])
                   1588: 
                   1589:        * cse.c (simplify_binary_operation, case PLUS, MINUS):
                   1590:        Simplify such things as (X >> 1) - X.
                   1591: 
                   1592:        * alpha.md (define_attr type): Add new type ISUBR.
                   1593:        (divmod): Set to type ISUBR.
                   1594:        * alpha.c (output_prolog): Need GP if type ISUBR.
                   1595: 
                   1596:        * reload.c (push_reload, find_reloads): Reload inside a paradoxical
                   1597:        SUBREG of MEM except don't force a reload unless the inner mode
                   1598:        is narrower than BIGGEST_ALIGNMENT.
                   1599: 
                   1600:        * c-typeck.c (check_init_type_bitfields): Check recursively inside
                   1601:        arrays and records.
                   1602: 
                   1603:        * c-parse.in (attrib): Allow expressions instead of constants.
                   1604:        * c-common.c (decl_attribute): Verify that alignment and format
                   1605:        argument numbers are all integer constants.
                   1606:        Continue on to next attribute if one is in error.
                   1607: 
                   1608:        * cse.c (simplify_binary_operation): Can fold multi-word
                   1609:        operations when first is CONST_INT.
                   1610:        (simplify_binary_operation, case PLUS, MINUS): Don't call
                   1611:        plus_constant when OP0 is VOIDmode.
                   1612: 
                   1613:        * c-typeck.c (pop_init_level): Don't abort if have incomplete array
                   1614:        type inside some other type.
                   1615: 
                   1616: Thu Dec 23 22:06:21 1993  Torbjorn Granlund  ([email protected])
                   1617: 
                   1618:        * jump.c (thread_jumps): Delete redundant loop termination test.
                   1619: 
                   1620:        * cse.c (simplify_binary_operation, case *SHIFT*): Reduce arg1 as
                   1621:        defined by SHIFT_COUNT_TRUNCATED.
                   1622: 
                   1623:        * config/pa/pa.c (Several places): Declare values from INTVAL(x) as
                   1624:        HOST_WIDE_INT.
                   1625:        (uint32_operand): New function.
                   1626:        (output_block_move): Change unroll threshold from 64 to 32.
                   1627:        (compute_movstrsi_length): Corresponding change.
                   1628:        (print_operand): Don't call debug_rtx, just abort.
                   1629: 
                   1630:        * config/pa/pa.h (FUNCTION_INCOMING_ARG): Delete definition.
                   1631:        (RTX_COSTS) [PLUS]: Rewrite.
                   1632:        (output_scc_insn): Delete.
                   1633:        (output_floatsisf2): Delete.
                   1634:        (output_floatsidf2): Delete.
                   1635:        (PREDICATE_CODES): Define, but leave within #if 0 for now.
                   1636: 
                   1637:        * config/pa/pa.md (iorscc): New recognizer.
                   1638:        2 new recognizers for sub;subb.  1 new recognizer for addi;subb.
                   1639:        (movstrsi): Remove predicates.  Set inline threshold to 8.
                   1640:        (umulsidi3): Change predicates to nonimmediate_operand.
                   1641:        New recognizer for multiply-by-immediate.
                   1642:        (andsi3): Add `!' for register alternative.
                   1643:        (vdepi_ior, vdepi_and): New recognizers.
                   1644:        (vextru rx,1,ry, vextrs rx,1,ry): New recognizers.
                   1645: 
                   1646:        * config/pa/pa.c (initialize_pic): Delete.
                   1647:        (finalize_pic): Use PIC_OFFSET_TABLE_REGNUM rather than 19.
                   1648:        * config/pa/pa.h (CONDITIONAL_REGISTER_USAGE): Never make
                   1649:        PIC_OFFSET_TABLE_REGNUM fixed.
                   1650:        (INITIALIZE_PIC): Delete.
                   1651:        * config/pa/pa.md (call, call_value): If PIC, emit USE for for
                   1652:        PIC_OFFSET_TABLE_REGNUM.  Use PIC_OFFSET_TABLE_REGNUM rather than 19.
                   1653: 
                   1654: Thu Dec 23 18:51:12 1993  Jim Wilson  ([email protected])
                   1655: 
                   1656:        * local-alloc.c (optimize_reg_copy_1): After decreasing sregno's
                   1657:        reg_live_length, correct it if it is now obviously too small.
                   1658: 
                   1659:        * loop.c (check_dbra_loop): Don't reverse loop if there is a
                   1660:        single memory store to an invariant address.
                   1661: 
                   1662:        * gcc.c (translate_options): Skip arguments of -B, -b, -V, -x,
                   1663:        and -Xlinker options.
                   1664: 
                   1665:        * configure (riscos-*-*): Use fixincludes instead of fixinc.mips.
                   1666:        * fixinc.mips: Delete file.
                   1667:        * fixincludes: Merge in changes from fixinc.mips.  Fix identifiers
                   1668:        host_mips, mips, MIPSE[LB], R[34]000, SYSTYPE_*.  Fix size_t uses
                   1669:        in stddef.h, memory.h, unistd.h.  Fix /**/ in bsd43/bsd43_.h.
                   1670: 
                   1671: Thu Dec 23 18:28:02 1993  Richard Earnshaw  ([email protected])
                   1672: 
                   1673:        * expmed.c (expand_mult): Preserve useful sub-expressions when
                   1674:         expanding a synthesized mult.
                   1675: 
                   1676: Thu Dec 23 18:21:34 1993  Russ Noseworthy  ([email protected])
                   1677: 
                   1678:        * configure (m68k-wrs-vxworks): New, same as m68k-sun-sunos*.
                   1679: 
                   1680: Thu Dec 23 09:03:30 1993  Phil Nelson  ([email protected])
                   1681: 
                   1682:        * ns32k.h (ASM_OUTPUT_ADDR_DIFF_ELT): Use .long, not .double.
                   1683: 
                   1684: Thu Dec 23 07:30:24 1993  Richard Kenner  ([email protected])
                   1685: 
                   1686:        * Makefile.in (libgcc.a): Allow chmod of tmpcopy directory to
                   1687:        fail since it can be empty.
                   1688: 
                   1689:        * gcc.c (default_compilers, gnat1): Don't write -gnatb.
                   1690: 
                   1691:        * c-common.c (T_ST): Fix typo in last change.
                   1692: 
                   1693:        * expr.c (expand_expr, case MINUS_EXPR): When expanding an
                   1694:        initializer, use plus_constant as appropriate.
                   1695: 
                   1696:        * collect2.c (main): When searching compiler directories, 
                   1697:        look for ld_suffix, not full_ld_suffix.
                   1698: 
                   1699:        * a29k/unix.h (TARGET_DEFAULT): Update to use new values.
                   1700: 
                   1701:        * Makefile.in (GCC_CFLAGS): Add -I./include.
                   1702: 
                   1703: Thu Dec 23 06:57:39 1993  Chip Salzenberg  ([email protected])
                   1704: 
                   1705:        * Makefile.in (ENQUIRE_CFLAGS): Omit -DNO_STDDEF.
                   1706:        (USE_ALLOCA): Allow ${ALLOCA} to begin with a dash.
                   1707:        (OBJC, OBJECTIVE-C): Depend on objc-runtime.
                   1708:        (objc-headers): Make include directory if missing.
                   1709: 
                   1710:        * xm-svr3.h (HAVE_VPRINTF): Define.
                   1711: 
                   1712:        * cse.c (delete_reg_equiv): Don't reference elements of
                   1713:        REG_{NEXT,PREV}_EQV that are not defined.
                   1714: 
                   1715: Wed Dec 22 14:21:49 1993  Jim Wilson  ([email protected])
                   1716: 
                   1717:        * dbxout.c (dbxout_parms): For parameter passed by invisible
                   1718:        reference, use DECL_INCOMING_RTL if DECL_RTL is a pseudo-reg address.
                   1719: 
                   1720:        * xcoffout.h (DBX_FINISH_SYMBOL): Get variable name from DECL_RTL
                   1721:        instead of from DECL_ASSEMBLER_NAME.
                   1722: 
                   1723:        * sched.c (priority): Handle INSN_DELETED_P insns, in addition to
                   1724:        insns which were deleted by being turned into notes.
                   1725: 
                   1726:        * expr.c (expand_expr, NEGATE_EXPR case): Use subtarget in
                   1727:        recursive call, not target.
                   1728: 
                   1729:        * fixproto (required_unistd_h): Delete getgroups from list.
                   1730: 
                   1731:        * fix-header.c (missing_extern_C_count): Ifdef out.
                   1732:        (write_lbrac, recognized_function, read_scan_file, write_rbrac):
                   1733:        Likewise.
                   1734: 
                   1735:        * cccp.c (main): Cast alloca result to char * to avoid warning.
                   1736: 
                   1737:        * unroll.c (find_splittable_givs): For rewritting illegal init
                   1738:        insn, use force_operand instead of emit_iv_add_mult.
                   1739: 
                   1740: Wed Dec 22 13:44:17 1993  Ron Guilmette  ([email protected])
                   1741: 
                   1742:        * tree.c (chainon):  Detect more circularities.
                   1743: 
                   1744:        * enquire.c (main):  Move declarations of SIZE and TOTAL to
                   1745:        where they won't cause "unused" warnings when NO_MEM is defined.
                   1746:        (promotions):  Explicitly declare return type (to avoid warnings).
                   1747:        Always return a value.
                   1748: 
                   1749: Wed Dec 22 13:39:40 1993  Chip Salzenberg  ([email protected])
                   1750: 
                   1751:        * Makefile.in (gcc.o): Define DEFAULT_TARGET_VERSION.
                   1752:        * gcc.c (compiler_version): New variable.
                   1753:        (spec_version): Initialize from DEFAULT_TARGET_VERSION.
                   1754:        (main): Distinguish COMPILER_VERSION from TARGET_VERSION.
                   1755:        (process_command): Use COMPILER_VERSION for %v.
                   1756:        Guard against a COMPILER_VERSION that lacks a minor.
                   1757: 
                   1758: Wed Dec 22 07:47:17 1993  Greg Gilley  ([email protected])
                   1759: 
                   1760:        * gcc.c (default_compilers): Treat ".cpp" as C++.
                   1761:        * cccp.c (main): Strip off ".cpp" extension.
                   1762:        * toplev.c (strip_off_ending): Likewise.
                   1763: 
                   1764: Wed Dec 22 07:26:26 1993  Rafal Pietrak  ([email protected])
                   1765: 
                   1766:        * Makefile.in (install-headers, install-headers-tar): Correctly
                   1767:        handle directories when $(libsubdir) is a relative path.
                   1768: 
                   1769: Wed Dec 22 07:12:06 1993  Richard Stallman  ([email protected])
                   1770: 
                   1771:        * c-common.c (T_ST): New macro.
                   1772:        (scan_char_table): With s, c and [, allow `a' flag.
                   1773:        (print_char_table): Accept Z and m codes.
                   1774:        (check_format_info): Handle the `a' flag.
                   1775: 
                   1776: Tue Dec 21 21:09:38 1993  Rainer Orther  ([email protected])
                   1777: 
                   1778:        * fixincludes (rpc/auth.h, rpc/xdr.h): Declare structures before
                   1779:        using them in prototypes, for Irix 4.0.5.
                   1780:        (rpc/rpc.h): Avoid a nested comment on Ultrix 4.3.
                   1781: 
                   1782: Tue Dec 21 18:41:36 1993  Doug Evans  ([email protected])
                   1783: 
                   1784:        * configure (cpp_md_flags): Rename to md_cppflags.
                   1785:        (MD_CPP, MD_DEPS): Set appropriately for native or cross build.
                   1786:        (MD_FILE): Edit in place.
                   1787:        * Makefile.in (MD_FILE rule): Depend on $(MD_DEPS).  Invoke $(MD_CPP).
                   1788: 
                   1789: Tue Dec 21 17:37:20 1993  Brendan Kehoe  ([email protected])
                   1790: 
                   1791:        * cp-tree.h (VTABLE_NAME): No def with NO_{DOLLAR,DOT} defined.
                   1792:        (VTABLE_NAME_P): Use it instead of VTABLE_NAME_FORMAT.
                   1793: 
                   1794: Tue Dec 21 13:25:39 1993  Jim Wilson  ([email protected])
                   1795: 
                   1796:        * sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Also pass Pascal arrays
                   1797:        by reference.
                   1798: 
                   1799:        * sched.c (sched_analyze): For CALL_INSN followed by
                   1800:        NOTE_INSN_SETJMP note, make it depend on all registers not just
                   1801:        hard registers, and add a REG_DEAD -1 note.
                   1802:        (unlink_notes): Don't save away NOTE_INSN_SETJMP notes.
                   1803:        (schedule_block): After scheduling CALL_INSN, check for REG_DEAD
                   1804:        -1 note.  If find it, delete it, and output a NOTE_INSN_SETJMP note.
                   1805: 
                   1806:        * rtlanal.c (replace_regs, case REG): Return copies of SUBREGs, to
                   1807:        avoid invalid sharing.
                   1808: 
                   1809: Tue Dec 21 13:07:14 1993  Jeffrey A. Law  ([email protected])
                   1810: 
                   1811:        * pa.c (output_function_prologue): Use ASM_GENERATE_INTERNAL_LABEL
                   1812:        rather than generating one on its own.
                   1813: 
                   1814:        * pa.h (ASM_GENERATE_INTERNAL_LABEL): Always use L$ as the prefix
                   1815:        for internal labels.
                   1816:        (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
                   1817: 
                   1818: Mon Dec 20 19:10:16 1993  Richard Kenner  ([email protected])
                   1819: 
                   1820:        * c-typeck.c (struct initializer_stack): New field ELEMENTS.
                   1821:        (start_init, finish_init): Save and restore constructor_elements.
                   1822: 
                   1823:        * emit-rtl.c (gen_lowpart_common): Return a new hard reg even
                   1824:        if not valid in MODE if the input REG is not valid in its mode.
                   1825: 
                   1826:        * rs6000.md (divsi3): Correct logic for when we call force_reg.
                   1827:        (modsi3): Ensure operands[2] is a CONST_INT; include REG in
                   1828:        predicate.
                   1829: 
                   1830: Thu Dec 16 16:14:53 1993  Jeffrey A. Law  ([email protected])
                   1831: 
                   1832:        * pa.c (compute_frame_size): Remove implicit assumption that %r4
                   1833:        is the frame pointer.
                   1834: 
                   1835:        * pa.c (output_function_prologue): Reverse last change.  Output
                   1836:        both the function label and the .PROC here.
                   1837: 
                   1838:        * pa.h (ASM_DECLARE_FUNCTION_NAME): Do not output the function
                   1839:        label or the .PROC here.
                   1840: 
                   1841: Thu Dec 16 11:34:48 1993  Ian Lance Taylor  ([email protected])
                   1842: 
                   1843:        * fixincludes: Do not preserve _HIDDEN_VA_LIST in stdio.h.
                   1844: 
                   1845: Wed Dec 15 13:48:25 1993  Mike Stump  ([email protected])
                   1846: 
                   1847:        * cp-decl.c (flag_conserve_space): New language specific flag to
                   1848:        tell the compiler to use .common when possible.  Reduces the size of
                   1849:        .o files.
                   1850:        * cp-decl.c (duplicate_decls): Copy DECL_COMMON from the olddecl.
                   1851:        * cp-decl.c (start_decl): Set DECL_COMMON appropriately.
                   1852:        * cp-decl.c (finish_decl): Use flag_conserve_space, instead of
                   1853:        flag_no_common.
                   1854:        * cp-decl2.c (flag_conserve_space, lang_f_options): New flag.
                   1855:        * toplev.c (lang_options): New -fconserve-space flag.
                   1856:        * tree.h (DECL_COMMON): New flag.
                   1857:        * tree.h (tree_decl): New common_flag.
                   1858:        * varasm.c (assemble_variable): Use DECL_COMMON to help determine if
                   1859:        an object can be put in .common.
                   1860:        * c-decl.c (start_decl): Set DECL_COMMON to 1.
                   1861: 
                   1862: Wed Dec 15 19:04:55 1993  Conrad Kimball  ([email protected])
                   1863: 
                   1864:        * Makefile.in (cccp.o, stmt-proto): Use $(includedir).
                   1865: 
                   1866: Wed Dec 15 18:44:03 1993  Leonid Baraz  ([email protected])
                   1867: 
                   1868:        * tree.c (copy_node): Handle length of INTEGER_CST like make_node.
                   1869: 
                   1870: Wed Dec 15 18:37:29 1993  Richard Kenner  ([email protected])
                   1871: 
                   1872:        * final.c (profile_function): Set ALIGN properly.
                   1873: 
                   1874:        * protoize.c: Remove declarations of setjmp and longjmp.
                   1875: 
                   1876: Wed Dec 15 18:31:01 1993  Paul Eggert  ([email protected])
                   1877: 
                   1878:        * c-typeck.c (missing_braces_mentioned): Renamed from
                   1879:        `partial_bracket_mentioned'.
                   1880:        (start_init): Clear `missing_braces_mentioned'.
                   1881:        (warning_init): New function.
                   1882:        (push_init_level): Optionally warn about missing braces.
                   1883:        When warning about braces around scalars, identify which scalars.
                   1884: 
                   1885: Wed Dec 15 18:21:29 1993  Richard Henderson  ([email protected])
                   1886: 
                   1887:        * mips/iris3.h (LIB_SPEC): Use shared libc when not profiling,
                   1888:        not debugging, and no "-static".
                   1889: 
                   1890: Wed Dec 15 18:14:31 1993  Doug Evans  ([email protected])
                   1891: 
                   1892:        * expr.c (expand_builtin): Allow __builtin_next_arg to be used
                   1893:        in varargs functions.
                   1894: 
                   1895: Wed Dec 15 18:09:57 1993  Kaveh R. Ghazi  ([email protected])
                   1896: 
                   1897:        * Makefile.in (gnucompare, gnucompare3): New targets.
                   1898: 
                   1899: Tue Dec 14 00:19:44 1993  Jeffrey A. Law  ([email protected])
                   1900: 
                   1901:        * pa.c (output_call): Put temporary label after the
                   1902:        RP adjustment.  "- 8" adjustment is no longer necessary.
                   1903: 
                   1904:        * x-pa (CC): Do not use absolute path to gcc.
                   1905: 
                   1906:        * pa.c (output_function_prologue): Do not output the .PROC directive
                   1907:        here.
                   1908: 
                   1909:        * pa.h (ASM_DECLARE_FUNCTION_NAME): Emit the .PROC immediately
                   1910:        after the function's label.
                   1911: 
                   1912:        * pa.h (ASM_FILE_START): Emit a .file directive at the beginning
                   1913:        of the output file if debug symbols are being generated.
                   1914: 
                   1915:        * pa.h (MAX_OFILE_ALIGNMENT): Define appropriately for the PA.
                   1916: 
                   1917:        * pa-ghiux.h (TARGET_DEFAULT): Enable TARGET_JUMP_IN_DELAY and
                   1918:        TARGET_GAS.
                   1919:        * pa1-ghiux.h (TARGET_DEFAULT): Likewise.
                   1920: 
                   1921:        * pa-ghpux.h (TARGET_DEFAULT): Enable TARGET_JUMP_IN_DELAY.
                   1922:        * pa-gux7.h (TARGET_DEFAULT): Likewise.
                   1923:        * pa-utahmach.h (TARGET_DEFAULT): Likewise.
                   1924:        * pa.h (TARGET_DEFAULT): Likewise.
                   1925:        * pa1-ghpux.h (TARGET_DEFAULT): Likewise.
                   1926:        * pa1-utahmach.h (TARGET_DEFAULT): Likewise.
                   1927:        * pa1.h (TARGET_DEFAULT): Likewise.
                   1928: 
                   1929:        * pa.h (LEGITIMATE_CONSTANT_P): Remove hack for function addresses.
                   1930:        * pa.c (secondary_reload_class): Function addresses no longer
                   1931:        need secondary reloads.
                   1932:        (emit_move_sequence): Special handling of function addresses is
                   1933:        no longer needed.
                   1934:        * pa.md (lo_sum of a function address): Use short form as we have
                   1935:        no intention of supporting MPE external calls.
                   1936: 
                   1937: Mon Dec 13 20:58:58 1993  Richard Kenner  ([email protected])
                   1938: 
                   1939:        * combine.c (subst, case MINUS): Canonicalize (minus A (plus A B)).
                   1940: 
                   1941: Mon Dec 13 19:09:42 1993  Torbjorn Granlund  ([email protected])
                   1942: 
                   1943:        * mips/iris4.h (ASM_OUTPUT_ASCII): Wrap in `do { ... } while (0)'.
                   1944:        * clipper/clix.h, fx80/fx80.h, i860/bsd.h, m68k/3b1.h: Likewise.
                   1945:        * m68k/amix.h, m68k/crds.h, m68k/hp320.h, m68k/m68kv4.h: Likewise.
                   1946:        * m68k/mot3300.h, m68k/sgs.h, m68k/tower-as.h: Likewise.
                   1947:        * ns32k/encore.h, tahoe/harris.h, tahoe/tahoe.h: Likewise.
                   1948:        * vax/vaxv.h,we32k/we32k.h: Likewise.
                   1949: 
                   1950: Mon Dec 13 03:28:02 1993  Doug Evans  ([email protected])
                   1951: 
                   1952:        * configure (sparc-*-solaris2): Fix typo in extra_parts.
                   1953: 
                   1954: Sun Dec 12 08:19:38 1993  Chip Salzenberg  ([email protected])
                   1955: 
                   1956:        * cccp.c (main): Combine tests of single-character suffixes.
                   1957:        (deps_output): Different second parameter: SPACER determines
                   1958:        meaning of first argument (target, dependency, literal text).
                   1959:        Wrap output correctly.
                   1960: 
                   1961: Sun Dec 12 07:54:07 1993  Richard Kenner  ([email protected])
                   1962: 
                   1963:        * tree.c (type_hash_canon): Clean up obstack usage a bit.
                   1964: 
                   1965:        * recog.c (indirect_operand): Verify mode of OP is correct.
                   1966: 
                   1967:        * calls.c (expand_call, store_one_arg): Properly push and pop
                   1968:        temporary level around expression evaluations.
                   1969: 
                   1970:        * configure: Handle EXTRA_PARTS and EXTRA_OBJS like the others.
                   1971:        (i[34]86-*-osfrose*): Replace t-osfrose with extra_objs assignment.
                   1972:        (i[34]86-*-sco*): Likewise for t-sco.
                   1973:        (i[34]86-*-isc*): Likewise for t-isc.
                   1974:        (i[34]86-ibm-ai*): Likewise for t-aix.
                   1975:        (i[34]86-*-solaris2, i860-alliant-*): Add extra_parts.
                   1976:        (sparc-*-solaris2*, m88k-*): Likewise.
                   1977:        (mips-dec-osfrose*): Add extra_objs.
                   1978:        (clipper-intergraph-clix*): Replace t-clix with extra_headers and
                   1979:        extra_parts.
                   1980:        * Makefile.in (halfpic.o): New rule; copied from t-osfrose.
                   1981:        * h8300/t-h8300: Delete null LIB2FUNCS_EXTRA.
                   1982:        * i386/t-sol2, i860/t-fx2800, m88k/t-dgux-gas: Delete EXTRA_PARTS.
                   1983:        * m88k/t-dgux, m88k/t-m88k, m88k/t-sysv4, sparc/t-sol2: Likewise.
                   1984:        * m88k/t-luna: Don't require bash.
                   1985:        * mips/t-osfrose: Delete EXTRA_OBJS and halfpic.o rule.
                   1986:        * clipper/t-clix, i386/t-aix, i386/t-isc, i386/t-osfrose, i386/t-sco:
                   1987:        Deleted; no longer needed.
                   1988: 
                   1989: Sun Dec 12 06:47:14 1993  Richard Kenner  ([email protected])
                   1990: 
                   1991:        * Version 2.5.7 released.
                   1992: 
                   1993: Sun Dec 12 06:18:33 1993  Jim Wilson  ([email protected])
                   1994: 
                   1995:        * function.c (thread_prologue_and_epilogue_insns): When constructing
                   1996:        USE chain, set both NEXT_INSN and PREV_INSN links.  Also, preserve
                   1997:        order of USE insns in chain.
                   1998: 
                   1999: Sun Dec 12 06:13:51 1993  DJ Delorie  ([email protected])
                   2000: 
                   2001:        * configure.bat: Update to relect recent changes elsewhere.
                   2002:        * objc/makefile.dos: Likewise.
                   2003: 
                   2004: Sat Dec 11 18:09:50 1993  Per Bothner  ([email protected])
                   2005: 
                   2006:        * dbxout.c (dbxout_type):  The "base type" of a SET_TYPE is its
                   2007:        DOMAIN_TYPE, not its TREE_TYPE.
                   2008:        * dwarfout.c (output_type): Likewise.
                   2009: 
                   2010: Sat Dec 11 07:36:57 1993  David Rifkind  ([email protected])
                   2011: 
                   2012:        * rs6000.md: Add a few missing new nmemonics.
                   2013: 
                   2014: Sat Dec 11 06:57:55 1993  Richard Kenner  ([email protected])
                   2015: 
                   2016:        * cccp.c (INPUT_STACK_MAX): Double size.
                   2017: 
                   2018:        * integrate.c (initialize_for_inline): Handle CONCAT when setting up
                   2019:        parmdecl_map.
                   2020: 
                   2021:        * rs6000.md (modsi3): Reject REG in predicate to avoid undefined
                   2022:        reference and extra pseudo creation if will fail.
                   2023: 
                   2024: Fri Dec 10 10:03:36 1993  Mike Stump  ([email protected])
                   2025: 
                   2026:        * toplev.c (lang_options): Change -fnodollars-in-identifiers to
                   2027:        -fno-dollars-in-identifiers to match docs.
                   2028: 
                   2029: Fri Dec 10 15:42:02 1993  Jim Wilson  ([email protected])
                   2030: 
                   2031:        * c-lex.c (yylex): When reading malformed floating point constant,
                   2032:        avoid printing error more than once, and avoid passing malformed
                   2033:        number to subsequent atof call.
                   2034: 
                   2035: Fri Dec 10 06:03:35 1993  Richard Kenner  ([email protected])
                   2036: 
                   2037:        * rs6000.c (easy_fp_constant): Use input_operand to see if
                   2038:        each word can be loaded in one insn.
                   2039: 
                   2040:        * rs6000.md: Change numerous occurrences of TARGET_POWERPC
                   2041:        to ! TARGET_POWER and make related changes.
                   2042: 
                   2043:        * rs6000.md (modsi3): Rework to operate correctly for both POWER
                   2044:        and PowerPC.
                   2045: 
                   2046: Thu Dec  9 16:19:05 1993  Brendan Kehoe  ([email protected])
                   2047: 
                   2048:        * cp-tree.h (OPERATOR_TYPENAME_P): Define outside of
                   2049:        NO_{DOLLAR,DOT} macro checks, so it always gets defined.
                   2050:        (VTABLE_NAME_P): Define for NO_DOT && NO_DOLLAR_IN_LABEL.
                   2051: 
                   2052: Wed Dec  8 05:46:26 1993  Richard Kenner  ([email protected])
                   2053: 
                   2054:        * flow.c (mark_used_regs, case CLOBBER): Refine previous change
                   2055:        to just look at the address of a MEM inside a CLOBBER.
                   2056: 
                   2057:        * fold-const.c (fold, case *_{DIV,MOD}_EXPR): When using
                   2058:        distributive law, take care when C2 is negative.
                   2059: 
                   2060: Tue Dec  7 08:45:59 1993  Richard Kenner  ([email protected])
                   2061: 
                   2062:        * flow.c (mark_used_regs): Look inside a CLOBBER; it may be the only
                   2063:        place regs are used if it has a stack slot that is from an inlined
                   2064:        function.
                   2065: 
                   2066: Mon Dec  6 20:56:11 1993  David Rifkind  ([email protected])
                   2067: 
                   2068:        * expr.c (move_block_{to,from}_reg): Check HAVE_{load,store}_multiple
                   2069:        value; don't just #idef the symbol.
                   2070: 
                   2071: Mon Dec  6 08:01:59 1993  Torbjorn Granlund  ([email protected])
                   2072: 
                   2073:        * pa.c (hppa_legitimize_address): If we can't legitimize,
                   2074:        do nothing; don't call abort.
                   2075: 
                   2076: Mon Dec  6 07:38:30 1993  Richard Earnshaw  ([email protected])
                   2077: 
                   2078:        * arm.c (output_ascii_pseudo_op): 8-bit chars should be zero-extended.
                   2079:        * arm.h (ASM_OUTPUT_ASCII): Likewise.
                   2080: 
                   2081: Mon Dec  6 07:32:59 1993  Richard Kenner  ([email protected])
                   2082: 
                   2083:        * objc/encoding.h: Include ctype.h.
                   2084: 
                   2085:        * expr.c (expand_expr, case PLACEHOLDER_EXPR): Remove top entry 
                   2086:        from PLACEHOLDER_LIST when expanding the value in it.
                   2087: 
                   2088: Mon Dec  6 05:40:38 1993  Doug Evans  ([email protected])
                   2089: 
                   2090:        * emit-rtl.c (start_sequence): Save current sequence_rtl_expr.
                   2091: 
                   2092: Fri Dec  3 07:07:01 1993  Richard Kenner  ([email protected])
                   2093: 
                   2094:        * Version 2.5.6 released.
                   2095: 
                   2096:        * c-typeck.c (c_expand_return): Return if convert_for_assignment
                   2097:        returns error_mark_node.
                   2098: 
                   2099: Fri Dec  3 06:42:05 1993  Arne Henrik Juul  ([email protected])
                   2100: 
                   2101:        * fixincludes (stdio.h): Fix typos (missing quote) in previous change.
                   2102: 
                   2103: Fri Dec  3 06:35:57 1993  Jim Wilson  ([email protected])
                   2104: 
                   2105:        * gstddef.h: Define and protect against __STDDEF_H__ for Irix 5.1.
                   2106: 
                   2107:        * sparc.c (shift_operand): Delete function.
                   2108:        * sparc.md (ashlsi3, ashrsi3, lshrsi3): Use arith_operand instead
                   2109:        of shift_operand.  Truncate shift counts to 5 bits.
                   2110: 
                   2111: Thu Dec  2 08:11:00 1993  Stefan Rapp  ([email protected])
                   2112: 
                   2113:        * loop.c (scan_loop): Correct arguments for register check.
                   2114: 
                   2115: Thu Dec  2 07:07:05 1993  Ian Lance Taylor  ([email protected])
                   2116: 
                   2117:        * fixincludes: Preserve _HIDDEN_VA_LIST when changing VA_LIST to
                   2118:        DUMMY_VA_LIST.  Change __va_list to __gnuc_va_list.  For AIX
                   2119:        3.2.5.
                   2120: 
                   2121: Thu Dec  2 07:00:24 1993  Richard Kenner  ([email protected])
                   2122: 
                   2123:        * emit-rtl.c (push_topmost_sequence, end_sequence): Update
                   2124:        sequence_rtl_expr from sequence_stack entry.
                   2125: 
                   2126:        * calls.c (emit_library_call): Use Pmode, not OUTMODE, when passing
                   2127:        in structure address.
                   2128: 
                   2129:        * a29k.c (secondary_reload_class): Kernel regs are in same class
                   2130:        as user regs.
                   2131: 
                   2132:        * a29k.md (movti split): Set CR to 3, not 1 like DImode.
                   2133: 
                   2134: Thu Dec  2 06:46:07 1993  Jim Wilson  ([email protected])
                   2135: 
                   2136:        * reload.c (find_reloads_toplev): Replace obsolete reference to
                   2137:        BYTE_LOADS_*_EXTEND with LOAD_EXTEND_OP.
                   2138: 
                   2139: Thu Dec  2 06:39:16 1993  Jeffrey A Law  ([email protected])
                   2140: 
                   2141:        * pa.h (ASM_STABS_OP, ASM_STABN_OP): Define.
                   2142:        (ASM_FILE_END): Put a TAB before the .stabs directive.
                   2143: 
                   2144: Thu Dec  2 06:30:17 1993  David Edelsohn  ([email protected])
                   2145: 
                   2146:        * rs6000.md (define_function_unit): Restore ppc601 load and fpload
                   2147:        timings.
                   2148: 
                   2149: Wed Dec  1 17:24:17 1993  Brendan Kehoe  ([email protected])
                   2150: 
                   2151:        Wed Nov 24 06:36:10 1993  Brendan Kehoe  ([email protected])
                   2152: 
                   2153:         * cp-tree.c (get_decl_list): Use the DECL_NESTED_TYPENAME for the
                   2154:         value we're going to paste onto CLASSTYPE_ID_AS_LIST.  This will get
                   2155:         the right name for nested classes, and for templates.
                   2156: 
                   2157:        Mon Nov 29 13:09:31 1993  Brendan Kehoe  ([email protected])
                   2158: 
                   2159:        * cp-decl.c (grokdeclarator): Properly evaluate TREE_PUBLIC for
                   2160:        friends.  (Fixes spurious warnings about friends being declared
                   2161:        static but not used.)
                   2162: 
                   2163:        * cp-type2.c (build_functional_cast): If we got an error_mark_node
                   2164:        from build_method_call, make sure EXPR_AS_METHOD is cleared out
                   2165:        again, so the later checks will work properly.
                   2166: 
                   2167:        * cp-decl.c (build_enumerator): Fix logic so an enum inside a class
                   2168:        that's local to a function has its enumerators end up in that
                   2169:        class's list of members, not in the list for the function.
                   2170: 
                   2171: Tue Nov 30 19:26:05 1993  Richard Kenner  ([email protected])
                   2172: 
                   2173:        * sparc.h (STATIC_CHAIN_REGNUM): Use %g2; %g1 is reserved
                   2174:        for prologue.
                   2175:        (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Swap useage of %g1
                   2176:        and %g2.
                   2177: 
                   2178:        * m68k.md (movdf): Don't need earlyclobber when a register
                   2179:        is copied to itself.
                   2180: 
                   2181: Sat Nov 27 06:19:22 1993  Richard Kenner  ([email protected])
                   2182: 
                   2183:        * Version 2.5.5 released.
                   2184: 
                   2185:        * c-typeck.c (pop_init_level): Ensure never on momentary_obstack
                   2186:        when calling complete_array_type.
                   2187: 
                   2188: Sat Nov 27 03:52:26 1993  Richard Stallman  ([email protected])
                   2189: 
                   2190:        * fixproto (scanning files_to_check): Create subdirs files are in.
                   2191: 
                   2192:        * config/m68k/m68k.md (cmpsi, cmphi, cmpqi): Handle SGS_CMP_ORDER
                   2193:        when outputting cmpm insn.
                   2194: 
                   2195: Fri Nov 26 15:57:24 1993  Richard Stallman  ([email protected])
                   2196: 
                   2197:        * gcc.c (default_compilers): Do define __GNUC_MINOR__ if input is `-'.
                   2198: 
                   2199: Thu Nov 25 18:16:25 1993  Richard Kenner  ([email protected])
                   2200: 
                   2201:        * function.h (struct sequence_stack): New field sequence_rtl_expr.
                   2202:        (struct function): Likewise.
                   2203:        * emit-rtl.c: Include tree.h.
                   2204:        (sequence_rtl_expr): New variable.
                   2205:        (save_emit_status, restore_emit_status): Save and restore it.
                   2206:        (init_emit): Initialize it.
                   2207:        (start_sequence_for_rtl_expr): New function.
                   2208:        * function.c: Declare sequence_rtl_expr.
                   2209:        (struct temp_slot): New field rtl_expr.
                   2210:        (assign_stack_temp): Set it from sequence_rtl_expr.
                   2211:        ({free,pop}_temp_slots): Don't free any slot with nonzero rtl_expr.
                   2212:        (free_temps_for_rtl_expr): New function.
                   2213:        * expr.c (expand_expr, case RTL_EXPR): Call free_temps_for_rtl_expr.
                   2214:        * stmt.c (expand_start_stmt_expr): Call start_sequence_for_rtl_expr
                   2215:        instead of start_sequence.
                   2216:        * cp-parse.y (except_stmts): Likewise.
                   2217:        * cp-init.c (build_new): Likewise.
                   2218:        * cp-typeck.c (build_modify_expr): Likewise.
                   2219:        * Makefile.in (emit-rtl.o): Includes tree.h.
                   2220: 
                   2221: Thu Nov 25 17:24:02 1993  Richard Stallman  ([email protected])
                   2222: 
                   2223:        * Makefile.in (stmp-fixproto): Create include subdir if doesn't exist.
                   2224: 
                   2225: Wed Nov 24 14:32:47 1993  Jim Wilson  ([email protected])
                   2226: 
                   2227:        * c-common.c (shorten_compare): Correct typo from last change.
                   2228: 
                   2229: Wed Nov 24 13:25:09 1993       Richard Earnshaw ([email protected])
                   2230: 
                   2231:        * protoize.c (save_def_or_dec): Correct typo in change of Nov 23.  Make
                   2232:        sure pointers within def_dec_p are valid before it is freed.
                   2233: 
                   2234: Wed Nov 24 07:02:50 1993  Brendan Kehoe  ([email protected])
                   2235: 
                   2236:        * expr.c (expand_expr, case ADDR_EXPR): Also pass const0_rtx if
                   2237:        necessary, to avoid multiple cleanup runs.
                   2238:        (expand_expr, case WITH_CLEANUP_EXPR): Pass const0_rtx if
                   2239:        necessary, to keep the recursive call from running the same
                   2240:        cleanups twice.
                   2241:        (expand_expr, case TARGET_EXPR): Don't try to add the cleanup if
                   2242:        ignore's non-zero, since we would have already done it.
                   2243: 
                   2244: Tue Nov 23 21:10:22 1993  Brendan Kehoe  ([email protected])
                   2245: 
                   2246:        Cygnus<->FSF C++ front-end merge.
                   2247:        Tue Nov 23 11:05:28 1993  Jason Merrill  ([email protected])
                   2248: 
                   2249:        * cp-errfn.c (STRDUP): Cast return value of alloca to (char *).
                   2250: 
                   2251:        Mon Nov 22 00:07:17 1993  Brendan Kehoe  ([email protected])
                   2252: 
                   2253:        * cp-lex.c (real_yylex): Move declaration of tmp inside the block
                   2254:        that uses it, so compilers don't try to mis-optimize it away.
                   2255: 
                   2256:        * cp-search.c (dfs_pushdecls): Make sure there's a lang_specific
                   2257:        node on the decl before trying to print the warning out.
                   2258: 
                   2259:        * cp-decl.c (grokdeclarator): Say the member was redeclared as
                   2260:        static, not just that it can't be declared static.
                   2261: 
                   2262:        * cp-search.c (get_first_matching_virtual): Don't do
                   2263:        SET_IDENTIFIER_ERROR_LOCUS as an attempt to avoid multiple warnings
                   2264:        with -Woverloaded-virtual.  It changes the compiler's behavior
                   2265:        (elicits unwanted errors).
                   2266: 
                   2267:        Sat Nov 20 19:31:01 1993  Brendan Kehoe  ([email protected])
                   2268: 
                   2269:        * cp-tree.h (lang_type): Add field `has_nonpublic_ctor', and delete
                   2270:        dummy since we used the two bits it was holding out for the MIPS
                   2271:        compiler.
                   2272:        (TYPE_HAS_NONPUBLIC_CTOR): Defined.
                   2273:        * cp-class.c (finish_struct_methods): Set TYPE_HAS_NONPUBLIC_CTOR
                   2274:        as appropriate for a copy ctor with non-public visibility.
                   2275:        (finish_struct): Don't generate a copy ctor if the type if one of
                   2276:        its fields has a private copy ctor, or a protected one for which we
                   2277:        aren't allowed access.
                   2278:        (base_info): Add member `saw_nonpublic_ctor'.
                   2279:        (finish_base_struct): Set b->saw_nonpublic_ctor if necessary.
                   2280: 
                   2281:        * cp-method.c (hack_identifier): Make sure there's a
                   2282:        DECL_LANG_SPECIFIC before getting ready to grope around a class.
                   2283: 
                   2284:        * cp-typeck.c (build_indirect_ref): Complain if we encounter a
                   2285:        pointer to member.
                   2286: 
                   2287:        Fri Nov 19 16:37:28 1993  Brendan Kehoe  ([email protected])
                   2288: 
                   2289:        * cp-decl.c (start_decl): Complain when a function is declared as
                   2290:        part of a template definition, but the class it's supposed to be
                   2291:        part of wasn't a template.
                   2292: 
                   2293:        * cp-decl.c (pushdecl): Don't warn about shadowing a member of
                   2294:        `this' if that member is static.
                   2295: 
                   2296:        * cp-call.c (convert_harshness_old): Don't die if one of the types
                   2297:        isn't an aggregate with a binfo.
                   2298:        (convert_harshness_ansi): Likewise.
                   2299: 
                   2300:        Fri Nov 19 12:18:31 1993  Brendan Kehoe  ([email protected])
                   2301: 
                   2302:        * cp-typeck.c (convert_for_assignment): Fix typo so initialization
                   2303:        of a pointer from an integer actually work, rather than emit bogus
                   2304:        code.
                   2305: 
                   2306:        * cp-pt.c (overload_template_name): Accept unions for templates.
                   2307:        (instantiate_class_template): Likewise.
                   2308:        * cp-parse.y (template_instantiate_once): Likewise.
                   2309: 
                   2310:        * cp-lex.c (real_yylex): Instead of using the "shorts" method to
                   2311:        check for overflow, use the C front-end's "parts" method (to handle
                   2312:        any size, and not rely on long long being 32 bits wide).
                   2313: 
                   2314:        Thu Nov 18 11:51:34 1993  Jason Merrill  ([email protected])
                   2315: 
                   2316:        * cp-lex.c (cons_up_default_function): Disable earlier change; it
                   2317:        screws up stabs somehow.  Very strange.
                   2318: 
                   2319:        Thu Nov 18 00:16:29 1993  Brendan Kehoe  ([email protected])
                   2320: 
                   2321:        * cp-decl.c (grokdeclarator): Say what class is involved when saying
                   2322:        we can't declare a member inside it.
                   2323: 
                   2324:        * cp-lex.c (real_yylex): Recognize operator->() as POINTSAT, not
                   2325:        POINTSAT_LEFT_RIGHT.  By swallowing the parens, we ended up never
                   2326:        building the call properly for them.
                   2327:        * cp-parse.y (POINTSAT_LEFT_RIGHT): Remove token.
                   2328:        (operator_name): Remove POINTSAT_LEFT_RIGHT rule.
                   2329:        * cp-spew.c (init_spew): Remove POINTSAT_LEFT_RIGHT from
                   2330:        toks_follow_ids.
                   2331: 
                   2332:        * cp-parse.y (primary): Only try to print out the operator's name if
                   2333:        it's valid.
                   2334: 
                   2335:        * cp-decl.c (grok_op_properties): Fix missing parens to keep the
                   2336:        logic from accidentally giving an error when it shouldn't.
                   2337: 
                   2338:        Wed Nov 17 20:04:00 1993  Jason Merrill  ([email protected])
                   2339: 
                   2340:        * cp-search.c (dfs_pushdecls): TREE_PURPOSE doesn't have to be
                   2341:        a _DECL for class_value to be an envelope, it just can't be an
                   2342:        IDENTIFIER_NODE.
                   2343: 
                   2344:        Wed Nov 17 15:54:02 1993  Brendan Kehoe  ([email protected])
                   2345: 
                   2346:        * cp-type2.c (process_init_constructor): Deal with pointers to
                   2347:        members as initializers for initializer lists.
                   2348: 
                   2349:        Wed Nov 17 11:48:38 1993  Jason Merrill  ([email protected])
                   2350: 
                   2351:        * cp-decl.c (ambi_op_p): Add ++ and --.
                   2352: 
                   2353:        * cp-error.c: Lose the anon_parm_name stuff.
                   2354: 
                   2355:        * cp-lex.c (cons_up_default_function): Change input_filename for
                   2356:        synthetic code.
                   2357: 
                   2358:        * cp-error.c (dump_aggr_type): Always print const or volatile.
                   2359:        (dump_function_decl): Only print static if verbose.
                   2360: 
                   2361:        * cp-errfn.c (cp_sprintf): New function.
                   2362: 
                   2363:        * cp-decl.c (grokfndecl): Be more verbose in complaint about applying
                   2364:        method qualifiers to non-methods.
                   2365: 
                   2366:        Wed Nov 17 09:51:04 1993  Jim Wilson  ([email protected])
                   2367: 
                   2368:        * cp-parse.y (attrib): Accept "noreturn" attribute.
                   2369: 
                   2370:        Tue Nov 16 12:28:49 1993  Jason Merrill  ([email protected])
                   2371: 
                   2372:        * cp-decl2.c (grokoptypename): Fix handling of udc's.
                   2373: 
                   2374:        * cp-method.c (build_component_type_expr): Ditto.
                   2375: 
                   2376:        * cp-class.c (finish_struct_methods): Be more verbose in complaint
                   2377:        about overloaded operator delete.
                   2378: 
                   2379:        * cp-decl.c (grok_op_properties): Do more checking on operators.
                   2380:        (grokdeclarator): Remove check for ops being members, fix handling
                   2381:        of user-defined conversions.
                   2382:        (grokfndecl): Remove checks for ops, move call to grok_op_properties
                   2383:        up.
                   2384:        (finish_decl): Remove check for ops with default arguments.
                   2385:        (ambi_op_p): New fn, name for either unary or binary op
                   2386:        (unary_op_p): New fn, checks name for unary op
                   2387: 
                   2388:        Mon Nov 15 12:38:54 1993  Brendan Kehoe  ([email protected])
                   2389: 
                   2390:        * g++.c (main): If they gave us -v, also show the invocation of the
                   2391:        gcc driver.
                   2392: 
                   2393:        Mon Nov 15 12:04:47 1993  Jason Merrill  ([email protected])
                   2394: 
                   2395:        * cp-decl.c (grokdeclarator): Lose "operator <typename>".
                   2396: 
                   2397:        * cp-method.c (build_component_type_expr): Ditto.
                   2398: 
                   2399:        * cp-decl2.c (grokoptypename): Ditto.
                   2400: 
                   2401:        Make C++ accept template parameters as type names; for example,
                   2402:        doing `template <class T, T t> A {...}'.
                   2403: 
                   2404:        * cp-pt.c (end_template_parm_list): Fix a bug in gs4t's patch.
                   2405:        (grok_template_type): Simplify.
                   2406: 
                   2407:        * cp-typeck.c (build_modify_expr_1): Give error if trying to
                   2408:        get default operator= for class where you can't.
                   2409: 
                   2410:        * cp-decl.c (duplicate_decls): Uniformify, fix redeclaration of
                   2411:        builtins.
                   2412: 
                   2413:        Sat Nov  6 19:06:25 EST 1993 Gnanasekaran Swaminathan ([email protected])
                   2414: 
                   2415:        * cp-pt.c (begin_template_parm_list): pushdecl here so that we
                   2416:        can push TEMPLATE PARAMETERS as type names.
                   2417:        (process_template_parm): build_lang_decl for TEMPLATE
                   2418:        PARAMETERS here.
                   2419:        (grok_template_type): New function. get the actual type of a
                   2420:        TEMPLATE PARAMETER.
                   2421:        (coerce_template_parms): delete pushdecl as it is moved (see
                   2422:        above). Don't build type decls for TEMPLATE PARAMETERS as it is
                   2423:        built above.
                   2424:        
                   2425:        Mon Nov 15 12:04:47 1993  Jason Merrill  ([email protected])
                   2426: 
                   2427:        * cp-decl.c (duplicate_decls): If a function has been declared with
                   2428:        explicit language linkage, redeclaring (or defining) it without
                   2429:        is OK.
                   2430: 
                   2431:        Fri Nov 12 15:30:27 1993  Jason Merrill  ([email protected])
                   2432: 
                   2433:        * cp-lex.c (operator_name_string): Fix handling of __ad__foo.
                   2434: 
                   2435:        * cp-error.c (dump_decl): Handle demangling of vtable names.
                   2436: 
                   2437:        * cp-tree.c (lang_printable_name): Pass everything to decl_as_string,
                   2438:        not just functions.
                   2439: 
                   2440:        * cp-decl2.c (check_classfn): Use cp_error.
                   2441: 
                   2442:        * cp-error.c (dump_decl): Fix IDENTIFIER_TYPENAME_P case.
                   2443: 
                   2444:        * cp-method.c (build_decl_overload): Propagate IDENTIFIER_OPNAME_P
                   2445:        to mangled identifier.
                   2446: 
                   2447:        * cp-type2.c (my_friendly_abort): Add "confusion" message for
                   2448:        abort after earlier errors.
                   2449: 
                   2450:        Wed Nov 10 18:39:17 1993  Jason Merrill  ([email protected])
                   2451: 
                   2452:        * cp-decl2.c (lang_decode_option): Include warn_enum_clash among
                   2453:        -Wall.
                   2454: 
                   2455:        Wed Nov 10 16:18:19 1993  Brendan Kehoe  ([email protected])
                   2456: 
                   2457:        * Makefile.in (stamp-cp-parse): Update counts.
                   2458: 
                   2459:        Wed Nov 10 15:27:12 1993  Jason Merrill  ([email protected])
                   2460: 
                   2461:        * cp-errfn.c (cp_thing): Allow cp_*_at to use an arbitrary argument,
                   2462:        not just the first, by using, for instance, `%+D'.
                   2463: 
                   2464:        Mon Nov  8 13:50:49 1993  Jason Merrill  ([email protected])
                   2465: 
                   2466:        * cp-error.c (language_as_string): New function for printing language
                   2467:        context.  Corresponds to %L.
                   2468: 
                   2469:        Mon Nov  8 10:39:28 1993  Jason Merrill  ([email protected])
                   2470: 
                   2471:        * cp-pt.c (reinit_parse_for_template): Use inline_text_obstack
                   2472:        instead of permanent_obstack so that yylex() doesn't clobber the
                   2473:        growing object.
                   2474: 
                   2475:        * cp-lex.c (reinit_parse_for_block): Overhaul to reduce code size by
                   2476:        half and make #line directives in template definitions work.
                   2477: 
                   2478:        Sun Nov  7 15:19:28 1993  Jason Merrill  ([email protected])
                   2479: 
                   2480:        * cp-pt.c (instantiate_class_template): if (!setup_parse), don't
                   2481:        mess with lineno and input_filename.
                   2482: 
                   2483:        Mon Nov  1 18:15:59 1993  Kung Hsu  ([email protected])
                   2484: 
                   2485:        * cp-cvt.c(convert_to_reference): Fix when pass ref to array as 
                   2486:        initializer, the argument type is convert to pointer and the type
                   2487:        in the field of the class should also convert to pointer.
                   2488: 
                   2489:        Fri Nov  5 11:57:41 1993  Jason Merrill  ([email protected])
                   2490: 
                   2491:        * cp-pt.c (instantiate_template): Work properly with
                   2492:        -fexternal-templates.
                   2493: 
                   2494:        * cp-lex.c (extract_interface_info): #if 0 out earlier
                   2495:        tinst_level work pending further work.
                   2496: 
                   2497:        Fri Nov  5 07:39:00 1993  Michael Tiemann  ([email protected])
                   2498: 
                   2499:        * cp-search.c (compute_visibility): Don't lose access to public
                   2500:        members from base classes of base classes.
                   2501: 
                   2502:        * cp-typeck.c (convert_for_assignment): Allocate enough space in
                   2503:        LHSBUF for the null terminiator.
                   2504: 
                   2505:        Tue Nov  2 07:20:03 1993  Michael Tiemann  ([email protected])
                   2506: 
                   2507:        * cp-decl2.c (build_push_scope): Don't push the scope for
                   2508:        ptr-to-method declarations.  Also, clarify some comments.
                   2509: 
                   2510:        * cp-parse.y (abs_member_declarator): Add `see_typename' epsilon
                   2511:        rule so that parser can recognize ptr-to-member functions.
                   2512: 
                   2513:        Mon Nov  1 18:15:59 1993  Kung Hsu  ([email protected])
                   2514: 
                   2515:        * cp-cvt.c(convert_to_reference): Fix when pass ref to array as 
                   2516:        initializer, the argument type is convert to pointer and the type
                   2517:        in the field of the class should also convert to pointer.
                   2518: 
                   2519:        Mon Nov  1 11:06:39 1993  Jason Merrill  ([email protected])
                   2520: 
                   2521:        * cp-errfn.c: Don't include <string.h>.
                   2522:        Don't use the return value of strcpy.
                   2523: 
                   2524:        Sun Oct 31 22:32:05 1993  Jason Merrill  ([email protected])
                   2525: 
                   2526:        * cp-call.c (build_scoped_method_call): Return (void)0 if trying to
                   2527:        call a nonexistent destructor.
                   2528: 
                   2529:        * cp-parse.y (object): Support p.~int().
                   2530: 
                   2531:        * cp-error.c (dump_expr): Handle error_mark_node better.
                   2532: 
                   2533:        Sat Oct 30 21:49:00 1993  Jason Merrill  ([email protected])
                   2534: 
                   2535:        * cp-parse.y (primary): Support p->~int().
                   2536: 
                   2537:        Fri Oct 29 18:09:12 1993  Mike Stump  ([email protected])
                   2538: 
                   2539:        * cp-type2.c (build_functional_cast): Don't delete things twice.
                   2540: 
                   2541:        Thu Oct 28 15:35:55 1993  Jason Merrill  ([email protected])
                   2542: 
                   2543:        * cp-tree.h (struct tinst_level): The template instantiation level
                   2544:        structure.  Used by the code described below.
                   2545: 
                   2546:        * cp-pt.c (push_tinst_level): New function for remembering file
                   2547:        context when instantiating templates.  Stores the identifier as well,
                   2548:        for error reporting.
                   2549:        (pop_tinst_level): Da opposite.
                   2550:        (tinst_for_decl): Returns a pointer to the tinst_level structure to
                   2551:        use for determining which file to associate the current DECL with, or
                   2552:        NULL to use the current file and line.  To restore the old behavior,
                   2553:        just change this function to "return 0;".
                   2554:        (instantiate_class_template): push_tinst_level.
                   2555: 
                   2556:        * cp-parse.y (tmplate_instantiate_once): pop_tinst_level() after
                   2557:        instantiating member templates.
                   2558: 
                   2559:        * cp-lex.c (extract_interface_info): If instantiating a template,
                   2560:        set up interface/implementation according to the spot in the user's
                   2561:        code that triggered the instantiation.
                   2562: 
                   2563:        * cp-pt.c (tsubst): Associate the FUNCTION_DECL with the spot in the
                   2564:        user's code that triggered the instantiation.  *Currently disabled*
                   2565: 
                   2566:        * cp-class.c (finish_struct): If we're instantiating a template,
                   2567:        associate the TYPE_DECL with the spot in the user's code that
                   2568:        triggered the instantiation.  *Currently disabled*
                   2569: 
                   2570:        * cp-pt.c (coerce_template_parms): Do extra checking on the template
                   2571:        parms, since templates are more picky than initializers.
                   2572: 
                   2573:        Wed Oct 27 17:06:54 1993  Jason Merrill  ([email protected])
                   2574: 
                   2575:        * cp-parse.y (datadef): Don't override a template with a forward
                   2576:        declaration of a template class.
                   2577: 
                   2578:        Tue Oct 26 17:54:12 1993  Kung Hsu  ([email protected])
                   2579: 
                   2580:        * cp-parse.y (component-declarator0): fix bit field name same as type
                   2581:        name syntax error.
                   2582: 
                   2583:        Tue Oct 26 16:07:29 1993  Mike Stump  ([email protected])
                   2584: 
                   2585:        * cp-cvt.c (build_up_reference): Fix typo, fixes core dump on bad
                   2586:        code.
                   2587: 
                   2588:        Tue Oct 26 11:52:09 1993  Jason Merrill  ([email protected])
                   2589: 
                   2590:        * cp-error.c (dump_function_decl): Only print default arguments
                   2591:        if verbose.
                   2592:        (dump_type): Ditto.
                   2593: 
                   2594:        Mon Oct 25 22:18:05 1993  Per Bothner  ([email protected])
                   2595: 
                   2596:        * cp-typeck.c (c_sizeof, build_c_cast):  Re-enable Salzenberg's
                   2597:        July 10 change (set TREE_OVERFLOW as well as TREE_CONSTANT_OVERFLOW).
                   2598: 
                   2599:        Mon Oct 25 18:53:08 1993  Jason Merrill  ([email protected])
                   2600: 
                   2601:        * cp-pt.c (instantiate_class_template): Don't do the
                   2602:        push_template_decls thang if !setup_parse; the binding level
                   2603:        never gets popped.
                   2604: 
                   2605:        Mon Oct 25 11:54:34 1993  Kung Hsu  ([email protected])
                   2606: 
                   2607:        * cp-method.c (hack_identifier): fix seg fault when an
                   2608:        external variable does not have class context.
                   2609: 
                   2610:        Sun Oct 24 19:01:15 1993  Michael Tiemann  ([email protected])
                   2611: 
                   2612:        * cp-spew.c (scan_tokens): Test for ';' in first pre-scan of the
                   2613:        tokens.
                   2614: 
                   2615:        Fri Oct 22 23:46:17 1993  Jason Merrill  ([email protected])
                   2616: 
                   2617:        * cp-tree.c (get_decl_list): When consing up CLASSTYPE_ID_AS_LIST,
                   2618:        don't assume that `value' is a reasonable identifier to use.
                   2619:        (list_hash_lookup_or_cons): Ditto.
                   2620: 
                   2621:        * cp-error.c (dump_decl, CONST_DECL): Pass off non-enum cases to
                   2622:        dump_expr.
                   2623:        (dump_expr): Pass off DECLs to dump_decl.
                   2624: 
                   2625:        Fri Oct 22 20:57:46 1993  david d `zoo' zuhn  ([email protected])
                   2626: 
                   2627:        * cp-errfn.c (STRDUP): Change to comma expr for bdmaged cc's.
                   2628:        (cp_thing): Add decl for ap, initialize fmt later.
                   2629: 
                   2630:        Fri Oct 22 17:15:01 1993  Jason Merrill  ([email protected])
                   2631: 
                   2632:        * cp-error.c (dump_decl): Handle CONST_DECLs for enum tags.
                   2633: 
                   2634:        * cp-type2.c (my_friendly_abort): Move abortcount to global level.
                   2635: 
                   2636:        * cp-search.c (dfs_pushdecls): Be more helpful in shadowing warning.
                   2637: 
                   2638:        * cp-pt.c (mangle_class_name_for_template): If the last template
                   2639:        parameter was also a template class, insert a space so that
                   2640:        the mangled name can be used as input for the compiler (i.e.
                   2641:        with default_copy_constructor_body).
                   2642: 
                   2643:        Fri Oct 22 16:40:27 1993  Mike Stump  ([email protected])
                   2644: 
                   2645:        Handle constructors in templates better.
                   2646: 
                   2647:        * cp-call.c (build_method_call): Use constructor_name_full instead
                   2648:        of constructor_name.
                   2649:        * cp-cvt.c (convert_to_reference, convert, build_type_conversion_1,
                   2650:        build_type_conversion): Ditto.
                   2651:        * cp-decl.c (make_temporary_for_reference, grok_reference_init):
                   2652:        Ditto.
                   2653:        * cp-init.c (expand_default_init, expand_aggr_init_1, build_new):
                   2654:        Ditto.
                   2655:        * cp-typeck.c (build_modify_expr_1, convert_for_initialization):
                   2656:        Ditto.
                   2657:        * cp-search.c (lookup_field, lookup_fnfields): Check for short
                   2658:        constructor name, as that is how we store it.
                   2659:        * cp-decl2.c (constructor_name_full): New routine.
                   2660:        * cp-tree.h (constructor_name_full): Declare it.
                   2661:        * cp-call.c (build_method_call): Check for either short or the full
                   2662:        constructor name.
                   2663: 
                   2664:        Wed Oct 20 17:17:37 1993  Jason Merrill  ([email protected])
                   2665: 
                   2666:        * cp-tree.h: Declare code_as_string.
                   2667: 
                   2668:        * cp-error.c (code_as_string): New function, translates
                   2669:        enum tree_code into a string.  Very incomplete at the moment.
                   2670: 
                   2671:        * cp-decl.c (lookup_tag): Use cp_error more.
                   2672: 
                   2673:        Tue Oct 19 16:39:20 1993  Jason Merrill  ([email protected])
                   2674: 
                   2675:        * cp-error.c (dump_type_prefix): Do the prefix/suffix thang for
                   2676:        ARRAY_TYPE nodes.
                   2677: 
                   2678:        Thu Oct 14 23:56:34 1993  Jason Merrill  ([email protected])
                   2679: 
                   2680:        * cp-gc.c (build_dynamic_cast): Avoid doing runtime work if possible.
                   2681:        (build_typeid): Add logic.
                   2682: 
                   2683:        Thu Oct 14 10:56:43 1993  Jason Merrill  ([email protected])
                   2684: 
                   2685:        * cp-gc.c (build_typeid): New function, allegedly returns the
                   2686:        Type_info object for the type of an expression, currently does
                   2687:        nothing.
                   2688:        (get_typeid): New function, allegedly returns the Type_info object
                   2689:        for a _TYPE node, currently does nothing.
                   2690:        (build_dynamic_cast): New function, supposedly implements
                   2691:        run-time checked casting, currently only does what can be done
                   2692:        at compile time.
                   2693: 
                   2694:        * cp-parse.y (.kindof_pushlevel): Only push first decl (the variable).
                   2695:        (primary): Add dynamic_cast and typeid expressions.
                   2696:        (simple_if): Use partially_scoped_stmt again.
                   2697:        Makes 'if' condition work.
                   2698: 
                   2699:        * cp-error.c (expr_as_string): Suppress parens on initial call
                   2700:        to dump_expr.
                   2701: 
                   2702:        * cp-tree.h: Add decls for Type_info_type_node, build_typeid,
                   2703:        get_typeid and build_dynamic_cast.
                   2704: 
                   2705:        * gplus.gperf: Add typeid and dynamic_cast.
                   2706: 
                   2707:        * cp-spew.c (init_spew): Ditto.
                   2708: 
                   2709:        Wed Oct 13 19:15:21 1993 Jason Merrill ([email protected])
                   2710: 
                   2711:        Partial implementation of Stroustrup's proposal for declarations in
                   2712:        conditions from X3J16/92-0121.
                   2713: 
                   2714:        * cp-parse.y (paren_cond_or_null): New rule, use condition instead
                   2715:        of expr.
                   2716:        (xcond): Ditto.
                   2717:        (condition): New rule, used in the condition parts of if, while, for
                   2718:        and switch statements.  Allows a restricted set of declarations of
                   2719:        the form "type_specifier declarator = expression".
                   2720:        (.kindof_pushlevel): Like pushlevel, but pushes all of the decls
                   2721:        from the previous binding level into the new one too.
                   2722:        (partially_scoped_stmt): Like implicitly_scoped_stmt, but uses
                   2723:        .kindof_pushlevel instead of .pushlevel.
                   2724:        (simple_if): .pushlevel before condition.
                   2725:        (simple_stmt, simple_if ELSE): Ditto, pop binding level.
                   2726:        (simple_stmt, simple_if): Ditto.
                   2727:        (simple_stmt, WHILE): Ditto.
                   2728:        (simple_stmt, forhead.1): .pushlevel before condition, use xcond
                   2729:        instead of xexpr, pop binding level.
                   2730:        (simple_stmt, forhead.2): Use xcond instead of xexpr, always pop
                   2731:        binding level.
                   2732:        (simple_stmt, SWITCH): .pushlevel before condition, etc, etc.
                   2733:        (forhead.2): always .pushlevel.
                   2734:        (datadef): Use cp_error more.
                   2735:        (simple_stmt, CASE): Ditto.
                   2736: 
                   2737:        * cp-decl2.c (pushdecls): New function, push all decls in the chain
                   2738:        into the current scope.
                   2739: 
                   2740:        Wed Oct 13 12:31:58 1993  Mike Stump  ([email protected])
                   2741: 
                   2742:        * cp-decl.c: Remove redefinition of NULL, as some machines don't
                   2743:          like it.  Clean up all NULL uses.
                   2744: 
                   2745:        Mon Oct 11 17:21:08 1993  Kung Hsu  ([email protected])
                   2746: 
                   2747:        * cp-decl2.c (finish_file): Fix libg++ build problem of mismatch
                   2748:          blocks.
                   2749: 
                   2750:        Mon Oct 11 13:51:05 1993  Brendan Kehoe  ([email protected])
                   2751: 
                   2752:        Mon Oct  4 11:49:48 1993  Chip Salzenberg  ([email protected])
                   2753: 
                   2754:        * cp-typeck.c (build_modify_expr): Check whether recursive calls
                   2755:        return error_mark_node.
                   2756: 
                   2757:        Mon Oct  4 12:41:16 1993  Chip Salzenberg  ([email protected])
                   2758: 
                   2759:        * cp-class.c (finish_struct): Too-long bitfield is an error.
                   2760:        * cp-decl.c (grokdeclarator): "inline main()" is an error.
                   2761:        (grok_op_properties): Overloaded ?: is an error.
                   2762:        (start_enum): Duplicate enum definition is an error.
                   2763: 
                   2764:        Mon Oct  4 12:45:11 1993  Chip Salzenberg  ([email protected])
                   2765: 
                   2766:        * cp-typeck.c (common_type): Use TYPE_MAIN_VARIANT when preferring
                   2767:        long int to int (when width is the same).
                   2768: 
                   2769:        Mon Oct  4 12:46:54 1993  Chip Salzenberg  ([email protected])
                   2770: 
                   2771:        * cp-typeck.c (convert_for_assignment): Mismatch in signedness
                   2772:        of pointer targets should not inhibit warnings for const mismatch.
                   2773: 
                   2774:        Mon Oct  4 12:53:04 1993  Chip Salzenberg  ([email protected])
                   2775: 
                   2776:        * cp-typeck.c (default_conversion): Convert to unsigned int
                   2777:        if original type is unsigned and of greater or equal size.
                   2778: 
                   2779:        Mon Oct 11 13:19:42 1993  Brendan Kehoe  ([email protected])
                   2780: 
                   2781:        * cp-decl.c (build_enumerator): Call default_conversion on the VALUE
                   2782:        before calling constant_expression_warning.
                   2783: 
                   2784:        Mon Oct 11 10:21:37 1993  Kung Hsu  ([email protected])
                   2785: 
                   2786:        * cp-decl.c (finish_function): fix the mismatch LBB LBE block
                   2787:          problem, specifically when compiler generated
                   2788:          destructor/constructor (pr2972)
                   2789:        * cp-decl2.c (finish_file): same as above
                   2790:         * cp-parse.y (compstmt): same as above
                   2791: 
                   2792:        Mon Oct 11 01:08:09 1993  Jason Merrill  ([email protected])
                   2793: 
                   2794:        * cp-error.c (dump_type_suffix): Cope with arrays with unspecified
                   2795:        bounds.
                   2796: 
                   2797:        Thu Oct  7 19:35:26 1993  Jason Merrill  ([email protected])
                   2798: 
                   2799:        * cp-error.c:  Deal with printing out array DECLs properly.
                   2800:        Use dump_char for printing out string literals, too.
                   2801: 
                   2802: Tue Nov 23 18:08:27 1993  Richard Stallman  ([email protected])
                   2803: 
                   2804:        * dwarfout.c (function_start_label): New function.
                   2805:        (output_entry_point_die): Use it.
                   2806:        (output_global_subroutine_die, output_local_subroutine_die): Use it.
                   2807: 
                   2808:        * c-common.c (check_format_info): Always use TYPE_MAIN_VARIANT
                   2809:        when comparing cur_type against wanted_type.
                   2810: 
                   2811:        * protoize.c (save_def_or_dec): If function's aux info doesn't end
                   2812:        with a closeparen, ignore it.
                   2813:        (xmalloc, xrealloc): Cast result of malloc.
                   2814: 
                   2815:        * c-typeck.c (build_binary_op): Don't accept complex types
                   2816:        for max, min, lt, etc.
                   2817: 
                   2818: Tue Nov 23 18:05:14 1993  Lisa Repka  ([email protected])
                   2819: 
                   2820:        * reorg.c (rare_destination): Ensure we always correctly handle
                   2821:        a null JUMP_LABEL.
                   2822: 
                   2823: Tue Nov 23 17:48:39 1993  Doug Evans  ([email protected])
                   2824: 
                   2825:        * i960/i960.h (ASM_SPEC): Pass -linkrelax, not -link-relax.
                   2826: 
                   2827: Tue Nov 23 17:35:25 1993  Richard Earnshaw ([email protected])
                   2828: 
                   2829:        * arm.c (arm_backwards_branch): Branching to the current insn is a 
                   2830:        backwards branch.
                   2831: 
                   2832: Tue Nov 23 13:59:24 1993  Hallvard B Furuseth  ([email protected])
                   2833: 
                   2834:        * libgcc2.a (__bb_exit_func): Fix format %*d -> %*ld.
                   2835: 
                   2836:        * c-parse.in, cp-parse.y (maybe_type_qual): Don't fail to set $$.
                   2837: 
                   2838: Tue Nov 23 15:26:28 1993  Richard Kenner  ([email protected])
                   2839: 
                   2840:        * combine.c (try_combine, simplify_shift_const): Add initializations
                   2841:        for some uninitialized variables.
                   2842: 
                   2843:        * c-common.c (check_format_info): When we have INTEGER_TYPEs,
                   2844:        save result of signed_type or unsigned_type for later
                   2845:        comparison with the various forms of char types.
                   2846: 
                   2847:        * expr.c (expand_expr, case SAVE_EXPR): Properly recompute the
                   2848:        value of UNSIGNEDP when SAVE_EXPR_RTL is nonzero and we have promoted.
                   2849: 
                   2850: Tue Nov 23 04:14:04 1993  Richard Stallman  ([email protected])
                   2851: 
                   2852:        * dwarfout.c (output_local_subroutine_die): Use the function name
                   2853:        from its symbol_ref, not DECL_ASSEMBLER_NAME.
                   2854: 
                   2855: Mon Nov 22 13:59:41 1993  Steve Chamberlain  ([email protected])
                   2856: 
                   2857:        * final.c (get_attr_length): asm_insn_count takes a body, not an
                   2858:        insn.
                   2859: 
                   2860: Sun Nov 21 22:37:12 1993  Richard Stallman  ([email protected])
                   2861: 
                   2862:        * config/m68k/mot3300.h (ASM_OUTPUT_COMMON, ASM_OUTPUT_LOCAL): 
                   2863:        Use SIZE, not ROUNDED.
                   2864:        (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Definitions turned off.
                   2865:        (REGISTER_PREFIX, IMMEDIATE_PREFIX): New definitions.
                   2866:        (PARM_BOUNDARY): New definition.
                   2867: 
                   2868: Sun Nov 21 15:39:04 1993  Tor Egge  ([email protected])
                   2869: 
                   2870:        * m88k/dolph.h (SDB_ALLOW_FORWARD_REFERENCES): Define.
                   2871:        (SDB_ALLOW_UNKNOWN_REFERENCES): Define.
                   2872:        (CPP_PREDEFINES): Redefine.
                   2873:        (CPP_DEFAULT): Redefine. 
                   2874:        (INITIALIZE_TRAMPOLINE): Redefine.
                   2875:        * m88k/dolphin.ld: New file.
                   2876:        * m88k/t-m88k (realclean): Remove some generated .asm files.
                   2877:        * m88k/x-dolph (EXTRA_PARTS): Redefined to also contain gcc.ld.
                   2878:        (gcc.ld): Copied from dolphin.ld.
                   2879:        (X_CFLAGS): Define __m88k__.
                   2880:        * libgcc2.c (__enable_execute_stack): Add DolphinOS version.
                   2881: 
                   2882: Sun Nov 21 01:00:40 1993  Richard Stallman  ([email protected])
                   2883: 
                   2884:        * config/m68k/isi.h (LIB_SPEC): Use -lm in addition to -lc--
                   2885:        not instead of -lc.
                   2886: 
                   2887:        * fix-header.c (write_rbrac): Make added declarations conditional
                   2888:        on __cplusplus and nothing else.
                   2889:        * fixproto (stdio.h): Reenable adding protos for v*printf.
                   2890: 
                   2891:        * sys-protos.h (authdes_create): Delete arg info.
                   2892:        We can't count on having struct sockaddr defined.
                   2893: 
                   2894:        * fixincludes (math.h): When deleting inline sqrt and abs,
                   2895:        be flexible about arg name and function body.
                   2896: 
                   2897:        * Makefile.in (stmp-fixproto): Never run fixproto twice.
                   2898: 
                   2899: Sat Nov 20 16:52:15 1993  Jim Wilson  ([email protected])
                   2900: 
                   2901:        * stmt.c (warn_if_unused_value): Handle arbitrary number of casts
                   2902:        before a modify.
                   2903: 
                   2904: Sat Nov 20 16:38:25 1993  Eric Baur  ([email protected])
                   2905: 
                   2906:        * i386/perform.h (perform_divsi3, perform_modsi3): Add '&' in
                   2907:        constraint for DX; explicitly copy arg arg1 to cx.
                   2908: 
                   2909: Sat Nov 20 02:26:28 1993  Richard Stallman  ([email protected])
                   2910: 
                   2911:        * expr.c (expand_builtin): For sin, cos, fsqrt, alloca, ffs, strlen,
                   2912:        strcpy, memcpy, strcmp, memcmp, if args are bad, use expand_call.
                   2913: 
                   2914:        * fix-header.c (write_rbrac): Treat rewinddir like memmove.
                   2915: 
                   2916: Fri Nov 19 18:24:43 1993  Richard Kenner  ([email protected])
                   2917: 
                   2918:        * protoize.c: Remove declarations for malloc and realloc.
                   2919: 
                   2920:        * expr.c (store_field): Convert EXP to MODE before calling
                   2921:        store_bit_field.
                   2922: 
                   2923:        * optabs.c (expand_complex_abs): Replace some erroneous 
                   2924:        uses of MODE with SUBMODE.
                   2925: 
                   2926:        * combine.c (force_to_mode): Don't allow sign-extension of 
                   2927:        constants when we are narrowing things in an IOR or XOR.
                   2928: 
                   2929: Fri Nov 19 16:42:43 1993  Jim Wilson  ([email protected])
                   2930: 
                   2931:        * rs6000.c (output_function_profiler): When TARGET_MINIMAL_TOC,
                   2932:        emit .long instead of .tc.
                   2933: 
                   2934: Fri Nov 19 13:22:37 1993  Ian Lance Taylor  ([email protected])
                   2935: 
                   2936:        * configure: Let a host set truncate_target to specify that the
                   2937:        installation directory names must be truncated to 14 characters.
                   2938:        If set, truncate the target argument.
                   2939: 
                   2940: Fri Nov 19 17:27:58 1993  Holger Teutsch  ([email protected])
                   2941: 
                   2942:        * clipper.h (HARD_REGNO_MODE_OK): Allow any mode in general regs.
                   2943:        Float regs may only hold SFmode and DFmode.
                   2944:        (FUNCTION_ARG): Only MODE_INT and MODE_FLOAT with size <= 8 are
                   2945:        passed in registers.
                   2946:        (FUNCTION_ARG_ADVANCE): Update accordingly.
                   2947:        (FUNCTION_ARG_PARTIAL_NREG): Undefine.
                   2948: 
                   2949:        * clipper.md (movsf+1,2,movdf+1,2): Make 'f' preferred register class.
                   2950: 
                   2951: Thu Nov 18 20:09:56 1993  Jim Wilson  ([email protected])
                   2952: 
                   2953:        * fixincludes: When compute DOTS, convert /./ to / to avoid
                   2954:        accidentally converting it to /../.
                   2955:        * fixinc.dgux, fixinc.svr4: Likewise.
                   2956: 
                   2957: Thu Nov 18 06:14:55 1993  Richard Stallman  ([email protected])
                   2958: 
                   2959:        * function.c (expand_function_end): New arg END_BINDINGS.
                   2960:        * c-decl.c (finish_function): Pass new arg to expand_function_end.
                   2961:        * cp-decl.c (finish_function): Pass new arg to expand_function_end.
                   2962:        Don't call expand_end_bindings here.
                   2963:        * integrate.c (output_inline_function):
                   2964:        Pass new arg to expand_function_end.
                   2965: 
                   2966: Wed Nov 17 18:54:21 1993  Chip Salzenberg  ([email protected])
                   2967: 
                   2968:        * objc/objects.c: Include "tconfig.h" before "runtime.h".
                   2969: 
                   2970: Wed Nov 17 19:15:31 1993  Richard Kenner  ([email protected])
                   2971: 
                   2972:        * fixincludes (math.h): Add missing quoting of `*' when fixing
                   2973:        prototype of `sqr'.
                   2974: 
                   2975: Tue Nov 16 07:15:52 1993  Richard Kenner  ([email protected])
                   2976: 
                   2977:        * alpha.h (EXTRA_CONSTRAINT): New macro.
                   2978:        (SECONDARY_{INPUT,OUTPUT}_RELOAD_CLASS): Disallow unaligned into float
                   2979:        regs.
                   2980:        * alpha.md (movdi): Use 'Q' instead of 'm' for FP.
                   2981: 
                   2982: Tue Nov 16 02:06:01 1993  Richard Stallman  ([email protected])
                   2983: 
                   2984:        * Version 2.5.4 released.
                   2985: 
                   2986:        * c-typeck.c (push_init_level): When aligning next struct field,
                   2987:        make sure there's another field left.
                   2988: 
                   2989:        * cp-errfn.c: Don't include string.h.
                   2990:        (STRDUP): Macro deleted.
                   2991:        (cp_thing): Copy strings "by hand".
                   2992: 
                   2993:        * combine.c (force_to_mode): Don't do right-shift in a narrower mode.
                   2994: 
                   2995: Mon Nov 15 01:54:48 1993  Richard Stallman  ([email protected])
                   2996: 
                   2997:        * sdbout.c (sdbout_symbol): If non-static var has static-style RTL,
                   2998:        don't output anything for it.
                   2999: 
                   3000:        * Makefile.in (stmp-fixproto): Don't depend on xsys-protos.h.
                   3001:        (diff): Don't compare bi-parser.c
                   3002: 
                   3003:        * news.h (NO_DOT_IN_LABEL, NO_DOLLAR_IN_LABEL): Defined.
                   3004: 
                   3005:        * c-typeck.c (push_init_level, really_start_incremental_init):
                   3006:        Skip any nameless bitfields at start of record.
                   3007:        (process_init_element): Skip any nameless bitfields after the field
                   3008:        just processed.
                   3009: 
                   3010: Mon Nov 15 02:09:54 1993  Torbjorn Granlund  ([email protected])
                   3011: 
                   3012:        * pa.h (RETURN_IN_MEMORY): Define.
                   3013: 
                   3014: Sun Nov 14 17:25:29 1993  Richard Stallman  ([email protected])
                   3015: 
                   3016:        * expr.c (expand_expr): For TRUTH_AND_EXPR, TRUTH_OR_EXPR
                   3017:        and TRUTH_XOR_EXPR, if result mode doesn't match operands,
                   3018:        don't use subtarget.
                   3019: 
                   3020:        * c-typeck.c (convert_for_assignment): Fix typo (codel => coder).
                   3021: 
                   3022: Sun Nov 14 12:45:37 1993  Richard Kenner  ([email protected])
                   3023: 
                   3024:        * function.c (assign_parms): Clear STACK_PARM when we have a 
                   3025:        pass-by-pointer parm that we load into a pseudo.
                   3026: 
                   3027:        * flow.c (flow_analysis): Fix bug in previous change.
                   3028: 
                   3029:        * fold-const.c (twoval_comparison_p): Do nothing for SAVE_EXPR, at
                   3030:        least for now.
                   3031: 
                   3032:        * reload.c (push_reload): Allow RELOAD_FOR_INPUT with a secondary
                   3033:        reload the same class as the input if the modes differ.
                   3034: 
                   3035:        * expr.c (store_expr): Convert constants to proper mode in two places.
                   3036: 
                   3037:        * sh.h (HAVE_VPRINTF): Delete from here.
                   3038:        * xm-sh.h (HAVE_VPRINTF): New macro.
                   3039: 
                   3040: Sun Nov 14 04:28:56 1993  Richard Stallman  ([email protected])
                   3041: 
                   3042:        * config/i860/i860.h (SECONDARY_INPUT_RELOAD_CLASS):
                   3043:        Moving any kind of integer cst to float reg needs intermediate.
                   3044: 
                   3045:        * sys-protos.h (getmntent): Delete the arg decls
                   3046:        because BSD 4.4 and Sunos disagree on them.
                   3047: 
                   3048: Sat Nov 13 23:06:42 1993  Richard Stallman  ([email protected])
                   3049: 
                   3050:        * config/mips/mips.c (function_arg, function_arg_advance):
                   3051:        In default case, handle complex modes much like BLKmode.
                   3052:        (function_arg_partial_nregs): Likewise.
                   3053: 
                   3054: Sat Nov 13 22:31:48 1993  Richard Kenner  ([email protected])
                   3055: 
                   3056:        * alpha.h (CPP_SPEC): Always define __LANGUAGE_C__ unless assembler.
                   3057:        Define __cplusplus for C++.
                   3058: 
                   3059:        * alpha.md (movsf, movdf): Add 'G' to constraint for operand 1
                   3060:        when operand 0 is a register and support it in alternative 0.
                   3061: 
                   3062:        * stmt.c (expand_end_bindings): Use emit_move_insn instead of
                   3063:        gen_move_insn in case nonlocal_goto_handler_slot is not a valid memref.
                   3064: 
                   3065:        * flow.c (find_basic_blocks): When starting new basic block
                   3066:        for a CALL_INSN in the presence of nonlocal labels, don't
                   3067:        get confused with following CLOBBER.
                   3068:        (flow_analysis): Use same logic as find_basic_block to see when
                   3069:        the insn after a CALL_INSN starts a new basic block.
                   3070: 
                   3071:        * expmed.c (store_split_bit_field): Properly load a constant VALUE
                   3072:        into a WORD_MODE pseudo.
                   3073: 
                   3074: Sat Nov 13 18:27:43 1993  Richard Stallman  ([email protected])
                   3075: 
                   3076:        * config/ns32k/ns32k.md (movsi): Handle moves to fp reg.
                   3077:        Handle const_double as operand 1.
                   3078: 
                   3079:        * Makefile.in (diff): Fix typo in name gcc.??s.
                   3080: 
                   3081: Fri Nov 12 08:34:58 1993  Richard Kenner  ([email protected])
                   3082: 
                   3083:        * dbxout.c (dbxout_type_field): Skip fields with variable
                   3084:        position and/or size instead of crashing on them.
                   3085: 
                   3086: Fri Nov 12 22:49:50 1993  Pat Rankin  ([email protected])
                   3087: 
                   3088:        * bi-arity.c, bi-opcode.c, bi-opname.c (main): Flush stdout and
                   3089:        and check for errors prior to termination; end with call to exit
                   3090:        rather than return from main, as with gen*.c.
                   3091:        * bi-arity.c, bi-lexer.c, bi-opcode.c, bi-opname.c, bi-parser.y:
                   3092:        Use FATAL_EXIT_CODE rather than hardcoded 1 for fatal exit code.
                   3093: 
                   3094: Fri Nov 12 18:41:51 1993  Richard Stallman  ([email protected])
                   3095: 
                   3096:        * gstdarg.h, gvarargs.h: Test __bsdi__ like __BSD_NET2__.
                   3097: 
                   3098:        * pa.h (FUNCTION_ARG_BOUNDARY): Fix return value for 64bit
                   3099:        pass by value structures.
                   3100: 
                   3101:        * fix-header.c (write_rbrac): Handle v*printf like memmove.
                   3102: 
                   3103: Fri Nov 12 08:53:47 1993  Richard Earnshaw ([email protected])
                   3104: 
                   3105:        * arm.md (comparison): Don't emit invalid optimization
                   3106:        for (set (reg) (comparison)) and (set (reg) (neg (comparison)))
                   3107:        when comparison is LT.
                   3108: 
                   3109:        * arm.c (pattern_really_clobbers_lr): Setting a subreg of a mem is
                   3110:        valid and safe.
                   3111: 
                   3112: Fri Nov 12 08:38:22 1993  Richard Kenner  ([email protected])
                   3113: 
                   3114:        * m68k/hpux7.h: Add directory name to #include of hp320.h.
                   3115: 
                   3116: Thu Nov 11 00:00:55 1993  Richard Stallman  ([email protected])
                   3117: 
                   3118:        * Version 2.5.3 released.
                   3119: 
                   3120:        * fix-header.c, gen-protos.c (fancy_abort): New function.
                   3121: 
                   3122:        * c-typeck.c (mark_addressable): Handle REALPART_EXPR and
                   3123:        IMAGPART_EXPR.
                   3124: 
                   3125:        * integrate.h (global_const_equiv_map_size): Declared.
                   3126: 
                   3127:        * dbxout.c (dbxout_symbol): If it's C++, don't check the
                   3128:        DECL_SOURCE_LINE of a typedef.
                   3129:        (dbxout_parms): Fix previous change.
                   3130: 
                   3131: Wed Nov 10 10:33:28 1993       Richard Earnshaw ([email protected])
                   3132: 
                   3133:        * fixproto (rel_source_subdir): Prune out redundant /subdir/../ to
                   3134:        prevent recursion.
                   3135: 
                   3136: Wed Nov 10 22:30:16 1993  Richard Stallman  ([email protected])
                   3137: 
                   3138:        * config/ns32k/encore.h (ASM_OUTPUT_ASCII): Declare i.
                   3139: 
                   3140: Wed Nov 10 16:18:19 1993  Brendan Kehoe  ([email protected])
                   3141: 
                   3142:        * cp-decl.c (grokvardecl): Undo change of Jan 15 1993 which
                   3143:        tried to implement the "one definition rule".  The duplicate_decls
                   3144:        call in pushdecl does implement this; grokvardecl got some bad hits.
                   3145: 
                   3146: Wed Nov 10 08:44:17 1993  Niklas Hallqvist  ([email protected])
                   3147: 
                   3148:        * cp-search.c (compute_visibility): Revert Tiemann's patch of
                   3149:        Nov 5.  Instead check that privately inherited entities don't
                   3150:        get restricted visibility if the private derivation is a
                   3151:        shallow derivation (i.e. one leading to the most derived
                   3152:        class) and we're actually in the most derived class' scope.
                   3153: 
                   3154:        * cp-search.c (dfs_pushdecls):  Don't be confused by the fact that
                   3155:        overloaded methods from an outer scope almost looks like an
                   3156:        envelope.
                   3157: 
                   3158: Wed Nov 10 18:55:22 1993  Richard Earnshaw ([email protected])
                   3159: 
                   3160:        * fixincludes: Copy files needed for other files at the very end.
                   3161: 
                   3162:        * arm.md (reload patterns for mla instruction): New.
                   3163: 
                   3164: Wed Nov 10 18:17:40 1993  Jim Wilson  ([email protected])
                   3165: 
                   3166:        * dbxout.c (dbxout_parms): For parms passed via invisible
                   3167:        reference, accept any reg except FP, SP, and AP.
                   3168: 
                   3169:        * unroll.c (unroll_loop): Set global_const_equiv_map_size.
                   3170: 
                   3171: Wed Nov 10 17:52:33 1993  Richard Kenner  ([email protected])
                   3172: 
                   3173:        * combine.c (subst_prev_insn): New variable.
                   3174:        (try_combine): Set it.
                   3175:        (get_last_value): Use subst_prev_insn if set instead of 
                   3176:        looking for the first insn before SUBST_LOW_CUID.
                   3177: 
                   3178:        * integrate.c (global_const_equiv_map_size): New variable.
                   3179:        (expand_inline_function): Set it.
                   3180:        (expand_inline_function, copy_rtx_and_substitute, try_constants):
                   3181:        Never access const_equiv_map without checking for out-of-range.
                   3182:        (mark_stores): Likewise.
                   3183: 
                   3184:        * alpha.md (smaxdi3): Was incorrectly called maxdi3.
                   3185: 
                   3186:        * rs6000.h (LINK_SPEC): Don't pass -btextro if -r.
                   3187: 
                   3188:        * alpha/osf12.h: New file.
                   3189:        * configure (alpha-dec-osf1.2): New case, to use new file.
                   3190: 
                   3191:        * rs6000.md (sqrtdf2): Fix typo in extra condition.
                   3192:        (plus/eq pattern): Fix typo: "addze" was "adddze".
                   3193: 
                   3194: Wed Nov 10 12:32:56 1993  Jim Wilson  ([email protected])
                   3195: 
                   3196:        * expmed.c (expand_divmod): If rem_flag, always force op0 to a
                   3197:        register.
                   3198: 
                   3199:        * expr.c (expand_expr): Use a smaller alignment when reading from
                   3200:        a field with a variable offset.
                   3201: 
                   3202: Wed Nov 10 01:28:27 1993  Richard Stallman  ([email protected])
                   3203: 
                   3204:        * expr.c (expand_assignment): Use a smaller alignment when storing
                   3205:        into a field with a variable offset.
                   3206: 
                   3207:        * fixincludes (math.h): Delete inline definitions for sqr.
                   3208: 
                   3209: Tue Nov  9 15:33:45 1993  Jason Merrill  ([email protected])
                   3210: 
                   3211:        * cp-method.c (hack_identifier): Undo rfg's earlier patch.
                   3212: 
                   3213: Tue Nov  9 19:30:02 1993  Richard Stallman  ([email protected])
                   3214: 
                   3215:        * reload1.c (reload) [SMALL_REGISTER_CLASSES]: Try, at least,
                   3216:        to avoid 2-groups whose second register is explicitly used.
                   3217: 
                   3218: Tue Nov  9 19:08:47 1993  Jim Wilson  ([email protected])
                   3219: 
                   3220:        * mips.md (adddi3): Use DImode not SImode in force_reg call.
                   3221: 
                   3222:        * mips.c (PIC_OFFSET_TABLE_MASK): New macro.
                   3223:        (function_epilogue): When -mabicalls, ignore
                   3224:        PIC_OFFSET_TABLE_REGNUM when calculating load_only_r31.
                   3225: 
                   3226:        * loop.c (strength_reduce): Accept VOIDmode initial values.
                   3227: 
                   3228: Tue Nov  9 09:23:31 1993  Torbjorn Granlund  ([email protected])
                   3229: 
                   3230:        * pa.md (negscc): Add mode for NEG.
                   3231: 
                   3232: Tue Nov  9 12:51:54 1993  John Hassey  ([email protected])
                   3233: 
                   3234:        * m88k.md ("cmpsf" & "cmpdf"): Undo inadvertent change included
                   3235:        with CCEVENmode change.
                   3236: 
                   3237: Tue Nov  9 01:31:58 1993  Richard Stallman  ([email protected])
                   3238: 
                   3239:        * fixincludes (loop on $required): When a file is copied
                   3240:        because another file needs it, scan it for what files it needs.
                   3241: 
                   3242:        * fix-header.c (write_rbrac): When adding proto for memmove,
                   3243:        put it inside #ifndef memmove.
                   3244: 
                   3245: Mon Nov  8 16:50:49 1993  Richard Stallman  ([email protected])
                   3246: 
                   3247:        * sdbout.c (sdbout_init) [RMS_QUICK_HACK_1]: Call sdbout_symbol
                   3248:        for __vtbl_ptr_type.
                   3249: 
                   3250:        * cp-decl.c (init_decl_processing): Undo previous change.
                   3251: 
                   3252:        * c-typeck.c (build_binary_op): Warn for ordered compare of ptr with 0
                   3253:        only if pedantic in both cases.
                   3254: 
                   3255: Mon Nov  8 18:25:06 1993  David Edelsohn  ([email protected])
                   3256: 
                   3257:        * rs6000.h (ASM_FILE_START): Emit filename directive.
                   3258: 
                   3259: Sun Nov  7 00:24:04 1993  Richard Stallman  ([email protected])
                   3260: 
                   3261:        * Makefile.in (mostlyclean): Delete fixhdr.ready here.
                   3262:        (clean): Not here.
                   3263: 
                   3264:        * scan-decls.c (scan_decls):  After seeing an extern variable
                   3265:        declaration, goto new_statement to read a new token, rather
                   3266:        than going to handle_statement (which uses the current token).
                   3267: 
                   3268: Sat Nov  6 19:40:22 1993  Pat Rankin  ([email protected])
                   3269: 
                   3270:        * config/vax/vms.h (__MAIN_NAME): Define as " main(" rather
                   3271:        rather than " main (" to reflect current cc1plus.
                   3272: 
                   3273:        * config/vax/vms.h: Add __GNUC_MINOR__=5 to CPP_PREDEFINES.
                   3274: 
                   3275: Sat Nov  6 22:54:25 1993  Tor Egge  ([email protected])
                   3276: 
                   3277:        * m88k.c (partial_ccmode_register_operand, even_relop)
                   3278:        (odd_relop): New functions, for support of CCEVENmode.
                   3279:        (print_operand, new case '!'): Revert following condition.
                   3280:        * m88k.h (EXTRA_CC_MODES, EXTRA_CC_NAMES, SELECT_CC_MODE):
                   3281:        New macros to define CCEVENmode. 
                   3282:        * m88k.md: Handle CCEVENmode as a new mode.  Logical operations
                   3283:        on CCmode registers now results in CCEVENmode. 
                   3284:        Add patterns for jumps and ext's for CCEVENmode.
                   3285:        (cmpsf, cmpdf): Use reg 65 and clobber reg 64.
                   3286: 
                   3287: Sat Nov  6 17:07:54 1993  Richard Stallman  ([email protected])
                   3288: 
                   3289:        * cp-decl.c (init_decl_processing) [RMS_QUICK_HACK_1]:
                   3290:        If sdb output, call sdbout_symbol for vtable_entry_type.
                   3291:        * config/m88k/dgux.h (RMS_QUICK_HACK_1): Defined.
                   3292: 
                   3293: Sat Nov  6 12:32:31 1993  Jim Wilson  ([email protected])
                   3294: 
                   3295:        * unroll.c (unroll_loop): Don't unroll loop if jump has combined
                   3296:        the original loop start label with another label.
                   3297: 
                   3298: Sat Nov  6 05:01:31 1993  Chris Smith  ([email protected])
                   3299: 
                   3300:        * convex.md (untyped_call, blockage): Add new patterns.
                   3301: 
                   3302: Sat Nov  6 03:11:46 1993  Noah Friedman  ([email protected])
                   3303: 
                   3304:         * just-fixinc: Rename fixed native limits.h to syslimits.h (or
                   3305:         install gsyslimits.h) before renaming gcc's limits.h from tmpfoo
                   3306:         directory.
                   3307: 
                   3308: Sat Nov  6 00:07:41 1993  Richard Stallman  ([email protected])
                   3309: 
                   3310:        * expr.c (emit_move_insn_1): Push the components of a complex
                   3311:        in proper order: imag part has higher address.
                   3312: 
                   3313: Fri Nov  5 16:23:51 1993  Jim Wilson  ([email protected])
                   3314: 
                   3315:        * mips.c (mips_abicalls): Change type to enum mips_abicalls_type.
                   3316:        (override_options): Use MIPS_ABICALLS_{NO,YES} instead of
                   3317:        ABICALLS_{NO,YES}.
                   3318:        * mips.h (enum mips_abicalls_type): New type.
                   3319:        (mips_abicalls_attr): New define.
                   3320:        (mips_abicalls): Change type to enum mips_abicalls_type.
                   3321:        * mips.md (abicalls): Use mips_abicalls_attr not mips_abicalls.
                   3322: 
                   3323: Fri Nov  5 20:34:19 1993  Richard Stallman  ([email protected])
                   3324: 
                   3325:        * fixproto (stdio.h): Don't add protos for vprintf, vfprintf, vsprintf.
                   3326: 
                   3327: Fri Nov  5 20:32:53 1993  Torbjorn Granlund  ([email protected])
                   3328: 
                   3329:        * config/pa/pa.md (decrement_and_branch_until_zero):
                   3330:        Add missing `return'.
                   3331: 
                   3332: Fri Nov  5 16:08:34 1993  Richard Stallman  ([email protected])
                   3333: 
                   3334:        * listing: Handle i386-linux like m68020.
                   3335:        Pass compilation options thru an awk variable, not as ordinary args.
                   3336: 
                   3337:        * cccp.c (safe_read, safe_write): Handle EINTR.
                   3338:        (output_line_command): Handle NO_IMPLICIT_EXTERN_C here.
                   3339:        (main): Not here.
                   3340: 
                   3341:        * protoize.c (safe_read, safe_write): Handle EINTR.
                   3342:        (safe_write): Return right away after safe_write.
                   3343: 
                   3344: Fri Nov  5 11:40:59 1993  Jeff Law  ([email protected])
                   3345: 
                   3346:        * pa-ghpux.h (NO_IMPLICIT_EXTERN_C): Define.
                   3347:        * pa-hpux.h (NO_IMPLICIT_EXTERN_C): Define.
                   3348: 
                   3349: Fri Nov  5 09:45:20 1993  Kresten Krab Thorup  (krab@viking)
                   3350: 
                   3351:        * objc/archive.c (objc_read_string): Allocate string properly.
                   3352:        * objc/hash.h (compare_strings): Check for null pointers.
                   3353: 
                   3354: Fri Nov  5 11:29:26 1993  David Edelsohn  ([email protected])
                   3355: 
                   3356:        * rs6000.h (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT): Use
                   3357:        REAL_ARITHMETIC macros including hex for special values.
                   3358: 
                   3359: Fri Nov  5 10:26:34 1993  Brendan Kehoe  ([email protected])
                   3360: 
                   3361:        * cp-call.c (build_method_call): For unions, don't use get_binfo and
                   3362:        convert_pointer_to_real, since unions can't be involved in complex MI
                   3363:        situations.  (Fixes union ctor crash, and completes Sep 27 fix.)
                   3364: 
                   3365: Fri Nov  5 07:39:00 1993  Michael Tiemann  ([email protected])
                   3366: 
                   3367:        * cp-search.c (compute_visibility): Don't lose access to public
                   3368:        members from base classes of base classes.
                   3369: 
                   3370:        * cp-search.c (get_base_distance): Initialize BASETYPE_PATH before
                   3371:        using.  Also, initialize RVAL from get_base_distance_recursive.
                   3372: 
                   3373: Fri Nov  5 05:48:04 1993  Richard Stallman  ([email protected])
                   3374: 
                   3375:        * config/i860/paragon.h (SIZE_TYPE): #undef it.
                   3376: 
                   3377:        * config/m88k/dgux.h (LIB_SPEC): Handle -msvr4.
                   3378:        (GPLUSPLUS_INCLUDE_DIR): Definition and #undef deleted.
                   3379: 
                   3380:        * cccp.c (main): Handle NO_IMPLICIT_EXTERN_C.
                   3381: 
                   3382: Fri Nov  5 03:11:05 1993  Torbjorn Granlund  ([email protected])
                   3383: 
                   3384:        * config/m68k/m68k.h (RTX_COST): Return actual costs for
                   3385:        multiplication, not costs for theoretical special cases that are
                   3386:        not handled in the md.
                   3387: 
                   3388: Fri Nov  5 00:42:09 1993  Richard Stallman  ([email protected])
                   3389: 
                   3390:        * emit-rtl.c (gen_highpart): If arg is function value hard reg,
                   3391:        return a subreg of it (as in gen_lowpart_common).
                   3392: 
                   3393:        * integrate.c (expand_inline_function): Handle CONCAT as rtl for parm.
                   3394:        (copy_rtx_and_substitute): For subreg, handle case where the reg
                   3395:        inside turns into a CONCAT.
                   3396: 
                   3397:        * configure: Treat hppa1.[01]-hpux8.0[01] like hppa1.[01]-hpux8.02.
                   3398: 
                   3399:        * fixproto:  Don't scan sub-directories whose names end in CC
                   3400:        or contain ++ - these are probably C++ directories.
                   3401: 
                   3402: Thu Nov  4 12:02:04 1993  Jim Wilson  ([email protected])
                   3403: 
                   3404:        * integrate.c (expand_inline_function): Don't call
                   3405:        push_temp_slots, free_temp_slots, and pop_temp_slots when handling
                   3406:        parameters, because they might end up in a temp slot.
                   3407: 
                   3408: Thu Nov  4 15:00:38 1993  Samuel Figueroa  ([email protected])
                   3409: 
                   3410:        * i386/os2.h, i386/xm-os2.h: New files.
                   3411: 
                   3412: Thu Nov  4 14:36:54 1993  Richard Stallman  ([email protected])
                   3413: 
                   3414:        * c-decl.c (finish_enum): Undo previous change.
                   3415: 
                   3416: Thu Nov  4 13:30:16 1993  Richard Kenner  ([email protected])
                   3417: 
                   3418:        * loop.c (strength_reduce): Ignore initial value if it is the
                   3419:        wrong mode.
                   3420:        (record_initial): Don't ignore any set of the register.
                   3421: 
                   3422:        * rs6000.md (movdf): Don't have reload choose alternative of
                   3423:        loading a constant into a GPR.
                   3424: 
                   3425:        * reload.c (find_reloads, case 'o'): A pseudo is not always
                   3426:        an offsettable memref.
                   3427:        (find_reloads): If we reload a constant into a register via
                   3428:        memory, count it as two reloads.
                   3429: 
                   3430:        * function.c (expand_function_start): If not optimizing, ensure
                   3431:        we mark context display regs as live for the entire function.
                   3432: 
                   3433: Thu Nov  4 02:24:22 1993  Richard Stallman  ([email protected])
                   3434: 
                   3435:        * tree.h (DECL_IN_TEXT_SECTION): New macro.
                   3436:        * varasm.c (assemble_variable): Set DECL_IN_TEXT_SECTION.
                   3437:        * dbxout.c (dbxout_symbol_location): Test DECL_IN_TEXT_SECTION.
                   3438: 
                   3439: Wed Nov  3 23:59:48 1993  Richard Stallman  ([email protected])
                   3440: 
                   3441:        * c-typeck.c (build_function_call): Initialize fundecl to 0.
                   3442: 
                   3443: Wed Nov  3 16:34:01 1993  Torbjorn Granlund  ([email protected])
                   3444: 
                   3445:        * pa.h (REGISTER_MOVE_COST): Decrease cost for move from
                   3446:        SHIFT_REGS to avoid regclass overflow.
                   3447: 
                   3448: Wed Nov  3 15:35:44 1993  Richard Stallman  ([email protected])
                   3449: 
                   3450:        * config/m68k/m68k.c (output_move_double): Fix up the test for overlap
                   3451:        of source address with operands[0].
                   3452: 
                   3453:        * regclass.c (regclass): Consider commutativity even when
                   3454:        one arg is a constant.
                   3455: 
                   3456: Wed Nov  3 12:06:23 1993  Jim Wilson  ([email protected])
                   3457: 
                   3458:        * expmed.c (expand_divmod): Use target as copy_to_suggested_reg
                   3459:        argument only if it has the same mode as op0.
                   3460: 
                   3461: Wed Nov  3 04:58:26 1993  Richard Stallman  ([email protected])
                   3462: 
                   3463:        * protoize.c (safe_write, safe_read): Really use arg DESC.
                   3464: 
                   3465:        * libgcc2.c (exit): Fix declaration of _exit.
                   3466: 
                   3467:        * c-common.c (check_format_info): Make warning nicer for mismatch
                   3468:        of int vs long, etc.
                   3469:        Don't warn if field width is an unsigned int.
                   3470: 
                   3471:        * c-decl.c (finish_enum): Always make an enum signed if it will fit.
                   3472: 
                   3473: Wed Nov  3 14:23:52 1993  Torbjorn Granlund  ([email protected])
                   3474: 
                   3475:        * cse.c (cse_insn):  Call `invalidate' also for STRICT_LOW_PART and
                   3476:        ZERO_EXTRACT (three places).
                   3477:        (invalidate_from_clobbers): Likewise (two places).
                   3478:        (cse_around_loop): Likewise.
                   3479:        (invalidate_skipped_set): Likewise.
                   3480:        (cse_set_around_loop): Likewise.
                   3481: 
                   3482: Wed Nov  3 03:56:55 1993  Paul Eggert  ([email protected])
                   3483: 
                   3484:        * dbxout.c (dbxout_type): Print `-2' instead of `0037777777776'
                   3485:        for an enumeration constant whose value is -2;
                   3486:        otherwise, GDB 4.11 rejects the type.
                   3487: 
                   3488: Wed Nov  3 04:35:13 1993  Richard Stallman  ([email protected])
                   3489: 
                   3490:        * Makefile.in (fix-header, gen-protos): Link with HOST_LIBS.
                   3491:        Depend on HOST_LIBDEPS.
                   3492: 
                   3493: Wed Nov  3 00:07:18 1993  Per Bothner  ([email protected])
                   3494: 
                   3495:        * fixproto:  When checking for uses of _flsbuf, make sure to
                   3496:        not match (say) __flsbuf or other non-word _flsbuf strings.
                   3497:        * fixproto:  Be more robust when checking for files indirectly
                   3498:        needed (via #include directives).  E.g. handle "../foo/bar.h"
                   3499:        properly, and silently ignore missing include files.
                   3500: 
                   3501: Tue Nov  2 17:37:39 1993  Richard Stallman  ([email protected])
                   3502: 
                   3503:        * gcc.c (do_spec_1): Use spec_version for %v, not version_string.
                   3504:        Distinguish %v1 and %v2.
                   3505:        (default_compilers): For __GNUC_MINOR__, use %v2.
                   3506:        For __GNUC__ and __GNUG__, use %v1.
                   3507: 
                   3508:        * protoize.c (safe_read): New function.
                   3509:        (process_aux_info_file, edit_file): Use safe_read.
                   3510: 
                   3511:        * cccp.c (safe_read): New function.
                   3512:        (main, finclude, check_precompiled): Use safe_read.
                   3513: 
                   3514: Tue Nov  2 14:31:42 1993  Ian Lance Taylor  ([email protected])
                   3515: 
                   3516:        * fixincludes: Don't remove /**/ from X11/Xlibint.h or
                   3517:        X11/extensions/multibufst.h; unnecessary.
                   3518: 
                   3519: Tue Nov  2 07:20:12 1993  Richard Kenner  ([email protected])
                   3520: 
                   3521:        * optabs.c (init_optabs): Function `ffs' takes `int', not mode that
                   3522:        is BITS_PER_WORD wide.
                   3523: 
                   3524: Tue Nov  2 02:53:26 1993  Richard Stallman  ([email protected])
                   3525: 
                   3526:        * cp-typeck.c (comptypes): Fix typo in changing STRICT from 2 to 1.
                   3527: 
                   3528:        * protoize.c (edit_file): Use safe_write.
                   3529:        (safe_write): New subroutine.
                   3530: 
                   3531:        * calls.c (expand_call): Discard __ prefix like _ or __x.
                   3532: 
                   3533:        * objc/objects.c: Include tconfig.h.
                   3534: 
                   3535: Mon Nov  1 23:34:46 1993  Rainer Orth  ([email protected])
                   3536: 
                   3537:        * fixincludes (sys/stat.h) fix fchmod prototype, first arg is
                   3538:        int, not char * [AIX 3.2.4]
                   3539:        (rpc/svc.h): avoid nested comments [Ultrix 4.3]
                   3540:        (stdio.h, stdlib.h): fixed getopt prototypes to match POSIX.2
                   3541:        [DEC Alpha OSF/1 1.3]
                   3542: 
                   3543: Mon Nov  1 11:42:29 1993  Ian Lance Taylor  ([email protected])
                   3544: 
                   3545:        * fixincludes: Fix <sys/limits.h> like <limits.h>.
                   3546: 
                   3547:        * fixincludes: Unquote 'f' in #define _IO.  Fix elf.h like
                   3548:        elf_abi.h.  For Irix 5.
                   3549: 
                   3550: Mon Nov  1 15:15:38 1993  Richard Stallman  ([email protected])
                   3551: 
                   3552:        * configure (mips-sgi-irix5*): Add fixincludes=Makefile.in.
                   3553: 
                   3554:        * fixproto (setjmp.h):  Don't require siglongjmp and sigsetjmp.
                   3555:        They need sigjmp_buf, and are missing on many systems.
                   3556: 
                   3557:        * Makefile.in (stmp-fixproto): Print a notice that warnings and errors
                   3558:        from fixproto are normal.
                   3559:        (distdir): Avoid spurious output from gcc.texi version number check.
                   3560:        (diff): New target.
                   3561: 
                   3562: Mon Nov  1 15:19:09 1993  Ian Lance Taylor  ([email protected])
                   3563: 
                   3564:        * fixincludes: Don't remove /**/ from X11/xmd.h; breaks gcc
                   3565:        -traditional on some systems.
                   3566: 
                   3567: Mon Nov  1 07:38:58 1993  Richard Kenner  ([email protected]
                   3568: 
                   3569:        * rs6000.md: Add set_attr for "length" when we are going to split
                   3570:        an insn at output time.
                   3571: 
                   3572:        * rs6000.md (bdn/bdz): Fix typo in checking for when we
                   3573:        need to split.
                   3574: 
                   3575:        * rs6000.md (mulsi3): Make alternatives be "mq" and "no_mq"
                   3576:        instead of "power" and "powerpc".  Only allow one pattern (either
                   3577:        with or without the clobber of MQ) to match.
                   3578: 
                   3579:        * stmt.c (expand_decl_init): If CONST_DECL, don't generate any
                   3580:        code, but call expand_expr if DECL_INITIAL is a constant.
                   3581: 
                   3582: Mon Nov  1 06:17:16 1993  Torbjorn Granlund  ([email protected])
                   3583: 
                   3584:        * m68k.md (divhisi3, udivhisi3, modhisi3, umodhi3): Comment out.
                   3585:        (divhisi3, udivhisi3, modhisi3, umodhi3 recognizers): Comment out.
                   3586: 
                   3587:        * expmed.c (synth_mult): When factoring T, break from loop after
                   3588:        first factor.
                   3589:        (expand_mult): Increase max cost to 12 again.
                   3590: 
                   3591: Mon Nov  1 01:06:27 1993  Richard Stallman  ([email protected])
                   3592: 
                   3593:        * cccp.c (safe_write): New function.
                   3594:        (write_output): Use safe_write.
                   3595: 
                   3596: Mon Nov  1 01:06:27 1993  Richard Stallman  ([email protected])
                   3597: 
                   3598:        * Version 2.5.2 released.
                   3599: 
                   3600:        * cccp.c (do_ident): Fix previous change.
                   3601: 
                   3602: Sun Oct 31 14:41:40 1993  Richard Stallman  ([email protected])
                   3603: 
                   3604:        * Version 2.5.1 released.
                   3605: 
                   3606:        * cccp.c (do_ident): Substitute macros and output here.
                   3607:        (directive_table): Turn off the pass_thru field for #ident.
                   3608: 
                   3609:        * c-common.c (shorten_compare): Undo previous change.
                   3610:        Instead, just suppress warnings if both args are constant.
                   3611: 
                   3612:        * config/m68k/m68k.md (extzv, and its recognizer):
                   3613:        If width is 32, don't set CC_NOT_NEGATIVE.
                   3614:        If width is variable, clear the CC status.
                   3615: 
                   3616:        * config/m68k/m68k.c (output_move_double): Extend the special case
                   3617:        for *--sp = sp[N] to handle 12 bytes as well as 8 bytes.
                   3618: 
                   3619: Sun Oct 31 17:02:13 1993  Jason Merrill  ([email protected])
                   3620: 
                   3621:        * cp-init.c (expand_aggr_init_1): When unswitching a COND_EXPR
                   3622:        initializer (i.e. int a = b ? 1 : 0 => int a; b ? a=1 : a=0),
                   3623:        set TREE_SIDE_EFFECTS on the result.
                   3624: 
                   3625: Sun Oct 31 13:33:46 1993  Jim Wilson  ([email protected])
                   3626: 
                   3627:        * expr.c (do_store_flag): For equality test of a single bit, use
                   3628:        subtarget instead of target in calls.
                   3629: 
                   3630: Sat Oct 30 17:58:37 1993  Richard Stallman  ([email protected])
                   3631: 
                   3632:        * config/m68k/hpux7.h: New file.
                   3633:        * configure (m68k-hp-hpux7*): New alternative.
                   3634: 
                   3635:        * c-common.c (shorten_compare): Do nothing if both args constant.
                   3636: 
                   3637:        * config.sub: Re-add hitachi to list of companies not to treat
                   3638:        as OS names.
                   3639: 
                   3640:        * expr.c (convert_move): When extending to multi-word register
                   3641:        via its low word, clobber the whole thing.
                   3642: 
                   3643:        * config/i386/i386.c (output_move_double): Extend the special case
                   3644:        for *--sp = sp[N] to handle 12 bytes as well as 8 bytes.
                   3645: 
                   3646: Sat Oct 30 17:21:33 1993  Atsushi Furuta  ([email protected])
                   3647: 
                   3648:        * pa-ghiux.h, pa-hiux.h, pa1-ghiux.h: New files, for Hitachi H3050/RX.
                   3649:        * pa1-hiux.h, x-pa-hiux, xm-pahiux.h: Likewise.
                   3650:        * config.sub, configure: Add H3050/RX support.
                   3651: 
                   3652: Sat Oct 30 03:40:08 1993  Richard Stallman  ([email protected])
                   3653: 
                   3654:        * config/pa/pa.c (output_dbra): Fix argument number in addi at end.
                   3655: 
                   3656:        * tree.h (enum built_in_function):  Added END_BUILTINS to delimit
                   3657:        standard from language-specific builtins.
                   3658: 
                   3659:        * toplev.c (rest_of_compilation): When an `extern inline' is not
                   3660:        really inline, clear DECL_INITIAL so we don't complain about
                   3661:        a subsequent non-extern definition.
                   3662:        * c-decl.c (finish_function): If rest_of_compilation set DECL_INITIAL
                   3663:        to null, leave it null.
                   3664: 
                   3665:        * c-common.c (convert_and_check): Don't warn converting 0xff
                   3666:        to a signed char, etc., unless pedantic.
                   3667: 
                   3668:        * Makefile.in (mainversion): New variable.
                   3669:        (distdir): Use mainversion when verifying gcc.texi has been updated.
                   3670: 
                   3671: Sat Oct 30 03:12:54 1993  Torbjorn Granlund  ([email protected])
                   3672: 
                   3673:        * m68k.md (mulsidi3 patterns): Fix typo, LSHIFTRT was ASHIFT.
                   3674: 
                   3675: Fri Oct 29 12:06:09 1993  Ian Lance Taylor  ([email protected])
                   3676: 
                   3677:        * fixinc.svr4 (sys/stat.h): Don't change definitions into
                   3678:        prototypes if they may already be in prototype form.
                   3679: 
                   3680: Fri Oct 29 16:50:33 1993  Richard Stallman  ([email protected])
                   3681: 
                   3682:        * config/i386/linux.h (LIB_SPEC): Use -lieee if -mieee-fp.
                   3683: 
                   3684: Fri Oct 29 13:04:16 1993  Arne H. Juul  ([email protected])
                   3685: 
                   3686:        * mips/iris5.h (LINK_SPEC): Pass -no_unresolved if -call_shared.
                   3687: 
                   3688: Fri Oct 29 12:52:54 1993  Richard Kenner  ([email protected])
                   3689: 
                   3690:        * rs6000.md (addsf3, subsf3, mulsf3, divsf3): Put POWERPC first,
                   3691:        then POWER.
                   3692: 
                   3693:        * mips/iris5.h ({DBX,SDB,MIPS}_DEBUGGING_INFO): Turn off until working.
                   3694: 
                   3695: Fri Oct 29 12:15:12 1993  Minh Tran-Le  ([email protected])
                   3696: 
                   3697:        * i386/xm-aix.h: Define HAVE_PUTENV for AIX PS/2.
                   3698: 
                   3699: Fri Oct 29 11:49:46 1993  DJ Delorie ([email protected])
                   3700: 
                   3701:        * i386/go32.h: Add support for coff-based ctor/dtor handling. 
                   3702: 
                   3703: Thu Oct 28 21:33:22 1993  Kresten Krab Thorup  ([email protected])
                   3704: 
                   3705:        * objc-act.c (check_methods_accessible): Fix bug in
                   3706:        -Wno-protocol.  Reset chain to bottom class for each search. 
                   3707: 
                   3708: Thu Oct 28 21:30:38 1993  Richard Kenner  ([email protected])
                   3709: 
                   3710:        * c-parse.in (init): Remove extraneous pop_momentary in error case.
                   3711: 
                   3712: Thu Oct 28 19:01:33 1993  Ron Guilmette  ([email protected])
                   3713: 
                   3714:        * cp-method.c (hack_identifier): If an overloaded identifier
                   3715:        can only mean one thing, it can only mean one thing.
                   3716: 
                   3717: Thu Oct 28 18:52:15 1993  John F Carr  ([email protected])
                   3718: 
                   3719:        * cp-typeck.c (get_member_function_from_ptrfunc):  Convert delta
                   3720:        to size_t before adding to pointer.
                   3721: 
                   3722: Thu Oct 28 18:43:41 1993  Richard Earnshaw ([email protected])
                   3723: 
                   3724:        * arm.h (ENCODE_SECTION_INFO): Use DECL_RTL for DECLs.
                   3725: 
                   3726: Wed Oct 27 20:58:31 1993  Torbjorn Granlund  ([email protected])
                   3727: 
                   3728:        * pa.c (emit_move_sequence): Fix typo, `Pmode' was `mode'.
                   3729: 
                   3730: Wed Oct 27 00:01:06 1993  Richard Stallman  ([email protected])
                   3731: 
                   3732:        * cse.c (cse_insn): When using src_related, copy the rtx.
                   3733:        Likewise for src_eqv_here.
                   3734: 
                   3735:        * c-typeck.c (output_pending_init_elements): Don't crash if
                   3736:        constructor_unfilled_fields is 0.
                   3737: 
                   3738:        * fixincludes (bsd/sys/wait.h): Undo previous change.
                   3739: 
                   3740:        * config/m68k/xm-amix.h (abort): Don't use fancy_abort.
                   3741:        (alloca): In GCC 1, define as __builtin_alloca.
                   3742: 
                   3743:        * config/m68k/amix.h (ASM_GENERATE_INTERNAL_LABEL)
                   3744:        (ASM_OUTPUT_INTERNAL_LABEL): #if 0 deleted, to reenable these.
                   3745:        (NO_DOT_IN_LABEL): Defined.
                   3746:        (NO_DOLLAR_IN_LABEL): Undefined.
                   3747: 
                   3748:        * function.c (assign_parms): If parmreg is a CONCAT, handle the
                   3749:        case where stack_parm is 0.
                   3750: 
                   3751:        * expr.c (do_jump): Use do_jump_by_parts_equality for complex compares.
                   3752: 
                   3753:        * c-typeck.c (build_c_cast): When making union constructor,
                   3754:        copy TREE_CONSTANT from the given value.
                   3755:        (initializer_constant_valid_p): Special handling for "constant"
                   3756:        union constructor.
                   3757: 
                   3758:        * bytecode.def: Rename dup to duplicate.
                   3759:        * expr.c (expand_assignment): Use duplicate.
                   3760:        (bc_expand_expr): Likewise.
                   3761:        (bc_expand_constructor): Likewise.
                   3762: 
                   3763:        * print-tree.c (print_node_brief): Use unsigned char to print
                   3764:        the bytes of a real constant.
                   3765: 
                   3766:        * expmed.c (store_bit_field): When calling operand_subword_force,
                   3767:        if VALUE has a non-void mode, pass that mode.
                   3768: 
                   3769:        * config/m68k/amix.h (NO_DOLLAR_IN_LABEL): Defined.
                   3770: 
                   3771: Tue Oct 26 19:05:36 1993  John F Carr  ([email protected])
                   3772: 
                   3773:        * rs6000.c (rs6000_override_options): Support -mcpu=rsc1.
                   3774: 
                   3775: Tue Oct 26 19:01:08 1993  Richard Stallman  ([email protected])
                   3776: 
                   3777:        * Makefile.in (deduced.h): Add -I. and -I$(srcdir).
                   3778: 
                   3779:        * scan-types.sh (CC): Move a " to avoid shell error.
                   3780: 
                   3781:        * config.sub (paragon): New alias.
                   3782:        * configure (i860-*-osf*): New alternative.
                   3783:        * gstdarg.h, gvarargs.h [__i860__]: Add to little-endian list.
                   3784:        * libgcc2.c (___builtin_saveregs): New alternative for __PARAGON__.
                   3785:        * va-i860.h: Treat __PARAGON__ like __SVR4__.
                   3786:        (va_dcl) [__PARAGON__]: Declare va_alist.
                   3787:        * paragon.h, xm-paragon.h: New files.
                   3788: 
                   3789: Tue Oct 26 18:58:49 1993  Richard Kenner  ([email protected])
                   3790: 
                   3791:        * fix-header.c: Delete duplicate definition of "buf".
                   3792:        * fix-header.c, gen-protos.c, scan-decls.c, scan.c: Include hconfig.h.
                   3793:        * scan-decls.c: Remove unused #ifdef OLD.
                   3794: 
                   3795:        * Makefile.in (gen-protos.o, scan.o, fix-header.o, scan-decls.o):
                   3796:        Add rule to compile using $(HOST_CC).
                   3797:        Show using hconfig.h.
                   3798: 
                   3799:        * rs6000.md (movsi): Can copy a TOC address into a register.
                   3800: 
                   3801: Tue Oct 26 15:03:07 1993  Richard Stallman  ([email protected])
                   3802: 
                   3803:        * gcc.c (default_compilers): Define __GNUC_MINOR__, using %v.
                   3804:        (do_spec_1): Implement %v.
                   3805: 
                   3806: Tue Oct 26 11:06:59 1993  Mike Stump  ([email protected])
                   3807: 
                   3808:        * cp-lex.c (consume_string): Handle "\"" and '\''.
                   3809: 
                   3810: Tue Oct 26 13:44:17 1993  Jim Wilson  ([email protected])
                   3811: 
                   3812:        * Makefile.in (fix-header.o): Depend on fix-header.c.
                   3813:        (scan-decls.o): New target.
                   3814:        (gen-protos.o, scan.o): New targets.
                   3815: 
                   3816:        * Makefile.in (gen-protos, fix_header): Add $(HOST_CFLAGS) and
                   3817:        $(HOST_LDFLAGS).
                   3818: 
                   3819:        * x-sysv (OLDCC): Add -XNh1500.
                   3820:        * x-mips: Likewise.
                   3821: 
                   3822: Tue Oct 26 12:21:06 1993  Ian Lance Taylor  ([email protected])
                   3823: 
                   3824:        * fixincludes: Fix NeXT <sys/wait.h> problem in <bsd/sys/wait.h>
                   3825:        as well, since that is where the file is in NeXTStep 3.0.
                   3826: 
                   3827: Tue Oct 26 07:23:08 1993  Torbjorn Granlund  ([email protected])
                   3828: 
                   3829:        * expmed.c (init_expmed): Use register 10000, not FIRST_PSEUDO_REGISTER
                   3830:        that gets special treatment in rtx_cost.
                   3831:        (expand_mult): Decrease max cost to 8.
                   3832: 
                   3833:        * c-typeck.c (build_binary_op): For TRUNC_MOD_EXPR and FLOOR_MOD_EXPR,
                   3834:        set common.
                   3835: 
                   3836: Tue Oct 26 01:59:17 1993  Richard Stallman  ([email protected])
                   3837: 
                   3838:        * protoize.c [__NeXT__]: Don't declare setjmp or longjmp.
                   3839: 
                   3840:        * configure: Ignore --verbose option if specified.
                   3841: 
                   3842:        * expr.c (emit_move_insn_1): Don't call group_insns
                   3843:        when X is a CONCAT.
                   3844:        (emit_move_insn_1, case CONJ_EXPR and COMPLEX_EXPR): Likewise.
                   3845: 
                   3846:        * fixproto (signal.h): Add prototypes only for kill and raise.
                   3847:        Not for the POSIX signal functions.
                   3848:        (sys/resource.h): Delete special handling for this file.
                   3849: 
                   3850:        * c-typeck.c (push_init_level): Align here for element of record.
                   3851:        (process_init_element): Not here (was before call to push_init_level).
                   3852: 
                   3853:        * scan-types.sh: Expect GCC source dir as argument.
                   3854:        In dummy.c, use gstddef.h and gstdarg.h, not stddef.h and stdarg.h.
                   3855:        * Makefile.in (deduced.h): Pass GCC source dir to scan-types.sh.
                   3856: 
                   3857: Mon Oct 25 23:23:26 1993  Torbjorn Granlund  ([email protected])
                   3858: 
                   3859:        * c-typeck.c (build_binary_op): For TRUNC_MOD_EXPR and FLOOR_MOD_EXPR,
                   3860:        don't shorten when divisor might be -1.
                   3861: 
                   3862: Mon Oct 25 23:45:20 1993 Minh Tran-Le ([email protected])
                   3863: 
                   3864:        * seq-sysv3.h (CPP_SPEC): Define _SEQUENT_ to be compatible with cc.
                   3865:        (INVOKE__main): Defined.
                   3866:        (HAVE_ATEXIT): Defined.
                   3867: 
                   3868:        * configure (i[34]86-sequent-sysv): Use fixinc.srv4 and define
                   3869:        broken_install.
                   3870: 
                   3871: Mon Oct 25 18:53:51 1993  Richard Kenner  ([email protected])
                   3872: 
                   3873:        * expr.c (expand_expr, case PLACEHOLDER_EXPR): Fix typos.
                   3874: 
                   3875: Mon Oct 25 16:25:58 1993  Richard Stallman  ([email protected])
                   3876: 
                   3877:        * scan.c (scan_string, skip_spaces): Add newline before fn name.
                   3878: 
                   3879:        * scan-decls.c (scan_decls): When reading parameter list,
                   3880:        handle whitespace differently, and keep track of line number.
                   3881: 
                   3882:        * config/i386/x-linux (STMP_FIXPROTO): Define as empty.
                   3883: 
                   3884: Mon Oct 25 13:22:37 1993  Kaveh R. Ghazi  ([email protected])
                   3885: 
                   3886:        * fixincludes: Fix bad S_IS* macros in <sys/stat.h> on m88k-sysv3.
                   3887: 
                   3888: Mon Oct 25 22:34:12 BST 1993   Richard Earnshaw ([email protected])
                   3889: 
                   3890:        * fixincludes: Remove nested brackets in change of Oct 21.
                   3891:        Fix token pasting operator in ARM/RISCiX include files.
                   3892: 
                   3893: Mon Oct 25 13:01:52 1993  Jim Wilson  ([email protected])
                   3894: 
                   3895:        * sparc.h (LONG_DOUBLE_TYPE_SIZE): Don't define here.
                   3896:        * sol2.h (LONG_DOUBLE_TYPE_SIZE): Do define here.
                   3897: 
                   3898:        * configure (mips-sgi-irix5): Don't use collect.
                   3899: 
                   3900: Sun Oct 24 14:15:12 1993  Jim Wilson  ([email protected])
                   3901: 
                   3902:        * libgcc2.c (L_bb): Undef NULL before including <stdio.h>.
                   3903: 
                   3904: Sun Oct 24 03:04:53 1993  Richard Stallman  ([email protected])
                   3905: 
                   3906:        * Makefile.in (g++.o): New target.
                   3907: 
                   3908:        * varasm.c (assemble_variable): Set last_assemble_variable_decl.
                   3909:        (last_assemble_variable_decl): New variable.
                   3910:        * toplev.c (rest_of_decl_compilation): Test that var.
                   3911: 
                   3912: Sat Oct 23 20:28:13 1993  Jim Wilson  ([email protected])
                   3913: 
                   3914:        * configure (mips-sgi-irix5): Uncomment.
                   3915:        * iris5.h: Replace with working version.
                   3916:        * xm-iris5.h: New file.
                   3917: 
                   3918:        * mips.c (mips_abicalls): New variable.
                   3919:        (override_options): Set mips_abicalls.  Allow '^' as print operand
                   3920:        punctuation character.
                   3921:        (print_operand): Add support for '^'.
                   3922:        (mips_asm_file_start): Use ABICALLS_ASM_OP instead of ".abicalls".
                   3923:        (compute_frame_size): Handle TARGET_ABICALLS case.
                   3924:        (mips_expand_prologue): Likewise.
                   3925:        * mips.h (mips_abicalls): Declare new variable.
                   3926:        (PIC_FUNCTION_ADDR_REGNUM): New macro.
                   3927:        (STARTING_FRAME_OFFSET): Handle TARGET_ABICALLS case.
                   3928:        * mips.md (abicalls): New attribute.
                   3929:        (define_delay): Don't fill call delay slots when TARGET_ABICALLS.
                   3930:        (call_internal3, call_value_internal3): Renamed from
                   3931:        call_internal2 and call_value_internal2.
                   3932:        (call_internal2, call_value_internal2): New call patterns for
                   3933:        TARGET_ABICALL case.
                   3934:        (call_internal4, call_value_internal4): Likewise.
                   3935: 
                   3936: Sat Oct 23 00:06:14 1993  Richard Stallman  ([email protected])
                   3937: 
                   3938:        * Makefile.in (deduced.h): Depend on GCC_PASSES and stmp-int-hdrs.
                   3939:        (xsys-protos.h): Depend on GCC_PASSES.
                   3940:        (fixhdr.ready): New target.
                   3941:        (stmp-fixproto): Depend on fixhdr.ready, not fix-header itself.
                   3942:        (clean): Delete fixhdr.ready.
                   3943: 
                   3944: Fri Oct 22 01:20:29 1993  Richard Stallman  ([email protected])
                   3945: 
                   3946:        * fix-header.c: Renamed from patch-header.c.
                   3947:        (progname): Change name.
                   3948:        * fixproto: Use fix-header.
                   3949:        * Makefile.in (fix-header, fix-header.o): Renamed from patch-header*.
                   3950:        (stmp-fixproto, mostlyclean): Rename references to them.
                   3951: 
                   3952:        * expr.c (store_field): In BLKmode case, return blk_object.
                   3953: 
                   3954:        * config/m88k/m88k.h (ASM_FINISH_DECLARE_OBJECT): Undef, then define.
                   3955: 
                   3956:        * Version 2.5.0 released.
                   3957: 
                   3958: Thu Oct 21 13:02:48 1993  Jim Wilson  ([email protected])
                   3959: 
                   3960:        * mips.h (CUMULATIVE_ARGS): Double size of adjust array.
                   3961:        * mips.c (function_arg): Add comment about too many adjust entries.
                   3962: 
                   3963: Thu Oct 21 13:48:14 1993  Richard Kenner  ([email protected])
                   3964: 
                   3965:        * rs6000.h (HARD_REGNO_MODE_OK): Multi-word objects cannot
                   3966:        go into MQ, LR, or CTR.
                   3967: 
                   3968:        * configure (mips-sgi-iris5*): Disable; not working yet.
                   3969:        * mips/iris5.h (ASM_SPEC, LINK_SPEC, CPP_PREDEFINES): Extend a bit.
                   3970: 
                   3971:        * expmed.c (expand_divmod): Create RESULT in proper mode when trying
                   3972:        quotient-and-remainder insn.
                   3973: 
                   3974: Thu Oct 21 13:14:40 1993  Richard Stallman  ([email protected])
                   3975: 
                   3976:        * Makefile.in (STMP_FIXPROTO): Uncomment the definition.
                   3977: 
                   3978:        * varasm.c (output_constructor): Fix previous change:
                   3979:        if no TYPE_DOMAIN, don't set min_index.
                   3980: 
                   3981: Thu Oct 21 11:13:21 1993  Richard Earnshaw ([email protected])
                   3982: 
                   3983:        * fixincludes: Avoid conflicting uses of __wchar_t in cc1plus and
                   3984:        stdlib.h for ARM/RISCiX.
                   3985: 
                   3986: Thu Oct 21 08:16:13 1993  Doug Evans  ([email protected])
                   3987: 
                   3988:        * Makefile.in (install-common): Remove g++ dependency.
                   3989:        Not built for cross compilers.
                   3990: 
                   3991: Thu Oct 21 00:04:40 1993  Richard Stallman  ([email protected])
                   3992: 
                   3993:        * fixincludes (required): Accept a space instead of a tab
                   3994:        between #define and CTRL (or _CTRL).
                   3995: 
                   3996:        * config/m68k/m68k.c (output_move_double): Use reg_overlap_mentioned_p
                   3997:        when checking for overlap between source and dest.
                   3998:        Fix syntax for the lea insn for double overlap case.
                   3999:        * m68k.md (movdi, movdf, movxf): Delete the & from load case.
                   4000: 
                   4001:        * config/m88k/m88k.h (ASM_FINISH_DECLARE_OBJECT): Emit .size
                   4002:        only if DECLARE_ASM_NAME.
                   4003: 
                   4004: Wed Oct 20 21:32:11 1993  Jeff Law  ([email protected])
                   4005: 
                   4006:        * pa.c (output_arg_descriptor): Do not stop searching if a USE
                   4007:        for the static link or struct value register is found.
                   4008: 
                   4009: Wed Oct 20 22:43:22 1993  Michael Meissner  ([email protected])
                   4010: 
                   4011:        * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Don't emit .size
                   4012:        directive if using the OSF/rose object format.
                   4013: 
                   4014:        * i386/osfrose.h, i386/osfelf.h (SWITCH_TAKES_ARG): Allow use of
                   4015:        System V.4 -h * and -z * switches.
                   4016:        (LINK_SPEC): Pass -G, -h*, -z* switches through to the ELF linker.
                   4017:        Map -static, -symbolic, and -shared into the appropriate -B, -d,
                   4018:        and -G options when invoking the ELF linker.
                   4019: 
                   4020: Wed Oct 20 20:32:54 1993  Richard Stallman  ([email protected])
                   4021: 
                   4022:        * cse.c (fold_rtx): Alter previous change: don't fold the shift
                   4023:        if the count exceeds the width of the value inside the subreg.
                   4024: 
                   4025:        * varasm.c (copy_constant): New function.
                   4026:        (output_constant_def): Use it.
                   4027: 
                   4028:        * Makefile.in ($(srcdir)/INSTALL): Add --no-split.
                   4029: 
                   4030: Wed Oct 20 19:35:35 1993  John F Carr  ([email protected])
                   4031: 
                   4032:        * alpha.h (LIB_SPEC): Link -lprof1 when profiling.
                   4033: 
                   4034: Wed Oct 20 19:21:18 1993  Jim Wilson  ([email protected])
                   4035: 
                   4036:        * cccp.c (sys_errlist): Conditionalize declaration for BSD 4.4.
                   4037:        * collect2.c, g++.c, gcc.c, protoize.c: Likewise.
                   4038:        * collect2.c (my_strerror): Move block local extern declarations
                   4039:        for sys_errlist and sys_nerr to file level.
                   4040: 
                   4041: Wed Oct 20 18:27:28 1993  Richard Stallman  ([email protected])
                   4042: 
                   4043:        * c-typeck.c (output_init_element): When initializing a union,
                   4044:        do it right away: never put the field on the pending list.
                   4045: 
                   4046:        * patch-header.c (main): Delete output file before opening it.
                   4047:        Discard directory names from progname.
                   4048:        * patch-header.c:  Simplify and fix handling of errno.h.
                   4049:        (It no longer thinks errno.h always needs fixing.)
                   4050:        * patch-header.c (write_lbrac, write_rbrac):  Only write
                   4051:        extern "C" if that specifically is needed.
                   4052: 
                   4053: Wed Oct 20 18:12:21 1993  Torbjorn Granlund  ([email protected])
                   4054: 
                   4055:        * pa.md (cacheflush): Split into dcacheflush and icacheflush.
                   4056:        Rewrite to use space regs correctly.
                   4057:        * pa.h (TRAMPOLINE_TEMPLATE): Rewrite.
                   4058:        (TRAMPOLINE_SIZE): Update with new size.
                   4059:        (INITIALIZE_TRAMPOLINE): Rewrite.
                   4060: 
                   4061: Wed Oct 20 17:58:32 1993  Per Bothner  ([email protected])
                   4062: 
                   4063:        * varasm.c (output_constructor):  Add support for non-zero
                   4064:        lower array bound.
                   4065:        * expr.c (store_constructor): Likewise.
                   4066: 
                   4067: Wed Oct 20 15:16:34 1993  Richard Stallman  ([email protected])
                   4068: 
                   4069:        * toplev.c (rest_of_decl_compilation): Use ASM_FINISH_DECLARE_OBJECT
                   4070:        unconditionally, but define it as no-op by default.
                   4071: 
                   4072:        * config/convex/convex.h (MAX_LONG_TYPE_SIZE): Defined.
                   4073: 
                   4074:        * varasm.c (size_directive_output): New variable.
                   4075:        * toplev.c (rest_of_decl_compilation): Use ASM_FINISH_DECLARE_OBJECT.
                   4076:        * config/svr4.h (ASM_DECLARE_OBJECT_NAME): Set size_directive_output.
                   4077:        (ASM_FINISH_DECLARE_OBJECT): Defined.
                   4078:        * config/i386/osfrose.h, config/m88k/m88k.h: Likewise.
                   4079: 
                   4080:        * patch-header.c (inf_size):  Move decl inside main.
                   4081:        (strdup):  Use xmalloc rathern than malloc.
                   4082:        Don't use the return value of strcpy.
                   4083:        (INF_UNGET):  Take parameter;  do nothing if EOF.
                   4084:        (strcpy): Declaration deleted.
                   4085: 
                   4086: Wed Oct 20 11:39:56 1993  Jim Wilson  ([email protected])
                   4087: 
                   4088:        * xm-mips.h (HAVE_VPRINTF): Define for BSD 4.4.
                   4089: 
                   4090:        * mips.c (mips_output_filename): When emitting stabs, don't
                   4091:        disable them if using gas.
                   4092:        (mips_output_lineno): Likewise.
                   4093: 
                   4094:        * sparc.h (INITIALIZE_TRAMPOLINE): Emit 3 flush instrutions.
                   4095:        * sparc.md (flush): Add pattern.
                   4096: 
                   4097: Wed Oct 20 10:47:54 1993  Michael Meissner  ([email protected])
                   4098: 
                   4099:        * configure (mips-dec-bsd, mips-dec-osf): Fix a typo in the last
                   4100:        change.
                   4101: 
                   4102: Wed Oct 20 07:57:06 1993  Richard Kenner  ([email protected])
                   4103: 
                   4104:        * rs6000.h, aix31.h (RS6000_CROR_BIT_NUMBER): Deleted.
                   4105:        (RS6000_CALL_GLUE): New macro.
                   4106:        * rs6000.c (print_operand, case '.'): Use RS6000_CALL_GLUE
                   4107:        instead of RS6000_CROR_BIT_NUMBER.
                   4108:        (print_operand, case 'E', case 0): Use "return", not "break".
                   4109:        * rs6000.md (call): Don't use CROR or NOP; just use "%.".
                   4110: 
                   4111:        * c-common.c (check_format_info): Consider "char", "signed char",
                   4112:        and "unsigned char" types as equivalent.
                   4113: 
                   4114:        * loop.c (find_and_verify_loops): Properly continue loop after
                   4115:        moving a block of code near a loop exit.
                   4116: 
                   4117: Wed Oct 20 02:01:50 1993  Richard Stallman  ([email protected])
                   4118: 
                   4119:        * Makefile.in (extraclean): Delete file djefoo.
                   4120:        (stmp-fixproto): Depend on stmp-headers, not LIBGCC2_DEPS.
                   4121: 
                   4122: Tue Oct 19 23:11:16 1993  James Van Artsdalen  ([email protected])
                   4123: 
                   4124:        * config/i386/isc.h (LONG_DOUBLE_TYPE_SIZE): Define as 64 bits
                   4125:        due to FP emulator bugs in the target kernel.
                   4126:        * config/i386/sco.h: Likewise (kernel bugs are only suspected).
                   4127: 
                   4128: Tue Oct 19 21:21:34 PDT 1993  Ralph Campbell ([email protected])
                   4129: 
                   4130:        * configure (mips-dec-bsd): New alternative.
                   4131:        * config/mips/dec-bsd.h: New file.
                   4132: 
                   4133: Tue Oct 19 18:49:40 1993  Jim Wilson  ([email protected])
                   4134: 
                   4135:        * c-typeck.c (digest_init): For arrays, use comptypes to compare
                   4136:        types instead of comparing pointers.
                   4137: 
                   4138: Tue Oct 19 11:24:16 1993  Steve Chamberlain  ([email protected])
                   4139: 
                   4140:        * reload1.c (reload): Cope when inherited register is larger than
                   4141:        one word.
                   4142:        (choose_reload_regs): Ditto.
                   4143: 
                   4144: Tue Oct 19 18:09:18 1993  David Edelsohn  ([email protected])
                   4145: 
                   4146:        * rs6000.md (define_function_unit): Add support for RIOS2
                   4147:        asymmetric integer units.
                   4148: 
                   4149: Tue Oct 19 17:48:37 1993  Richard Kenner  ([email protected])
                   4150: 
                   4151:        * function.c (assign_parms): Properly set parm_reg_stack_loc for
                   4152:        args that are a CONCAT.
                   4153: 
                   4154:        * clipper.md (movdi): Force use of "o" alternative if
                   4155:        operand 1 is a MEM.
                   4156: 
                   4157:        * alpha.h (HAVE_ATEXIT): New macro.
                   4158: 
                   4159:        * reload.c (push_reload, find_reloads): If an operand is
                   4160:        a SUBREG of a PLUS, force a reload and reload what is inside.
                   4161: 
                   4162:        * dbxout.c (print_int_cst_octal): Fix bug in last change.
                   4163: 
                   4164: Tue Oct 19 17:42:23 1993  Richard Earnshaw  ([email protected])
                   4165: 
                   4166:        * arm.c: Include reload.h
                   4167:        (arm_reload_out_hi): New function.
                   4168:        (output_call): Don't look inside operands[0].
                   4169:        * arm.h: Add function definitions for shift_instr, 
                   4170:        output_mov_long_double_fpu_from_arm,
                   4171:        output_mov_long_double_arm_from_fpu,
                   4172:        and output_mov_long_double_arm_from_arm.
                   4173:        (FLOAT_WORDS_BIG_ENDIAN): Define to 1.
                   4174:        (SECONDARY_OUTPUT_RELOAD_CLASS): return GENERAL_REGS for HImode
                   4175:        outputs.
                   4176:        (ASM_OUTPUT_LONG_DOUBLE, ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT):
                   4177:        output floating point constants as hex, make order correct given
                   4178:        definition of FLOAT_WORDS_BIG_ENDIAN.
                   4179:        (PRINT_OPERAND): Delete redundant code when handling CONST_DOUBLE.
                   4180:        * arm.md: (reload_outhi): New pattern.
                   4181:        (movhi): Handle reloads better.
                   4182:        (restorehi): Delete.  Also tidy up commented out code.
                   4183:        (call): Make this a define_expand.
                   4184:        (matcher for above): only accept MEM(reg)
                   4185:        (call_value): Handle as for (call).
                   4186:        * xm-arm.h (HOST_FLOAT_WORDS_BIG_ENDIAN): Define to 1.
                   4187: 
                   4188: Tue Oct 19 13:25:03 1993  Mike Stump  ([email protected])
                   4189: 
                   4190:         * cp-type2.c (build_m_component_ref): Fix typo, type must be set,
                   4191:        after changing component.  Fixes problem introduced on Thu Sep 9
                   4192:        21:22:40 1993.
                   4193: 
                   4194: Tue Oct 19 01:09:56 1993  Richard Stallman  ([email protected])
                   4195: 
                   4196:        * configure (m68000-convergent-sysv*): Untangle from m68k-*-lynxos.
                   4197: 
                   4198:        * Makefile.in (stmp-fixproto): Depend on LIBGCC2_DEPS.
                   4199:        (crtbegin.o, crtend.o): Specify -fno-inline-functions.
                   4200: 
                   4201:        * config/mips/iris5.h: New file.
                   4202:        * config/mips/mips.c (mips_asm_file_start): Handle ABICALLS_ASM_OP.
                   4203:        * configure (mips-sgi-iris5*): New configuration.
                   4204: 
                   4205: Mon Oct 18 16:16:26 1993  Richard Stallman  ([email protected])
                   4206: 
                   4207:        * cse.c (note_mem_written): (mem (scratch)) means clobber everything.
                   4208: 
                   4209:        * gen-protos.c: Include ctype.h.
                   4210: 
                   4211:        * expmed.c (extract_split_bit_field): Change shift count calculation
                   4212:        in little-endian case.
                   4213: 
                   4214:        * Makefile.in (stmp-fixproto):  Added dependency on fixproto script.
                   4215: 
                   4216: Mon Oct 18 11:26:08 1993  Jim Wilson  ([email protected])
                   4217: 
                   4218:        * c-typeck.c (process_init_element): Align structure elements
                   4219:        that are subaggregates.
                   4220: 
                   4221:        * c-decl.c (finish_decl): After preserve_initializer call, set
                   4222:        TREE_PERMANENT bit in initializer.
                   4223: 
                   4224:        * combine.c (can_combine_p): Don't combine instructions across a
                   4225:        volatile insn.
                   4226:        * rtlanal.c (volatile_insn_p): New function.
                   4227: 
                   4228: Sun Oct 17 03:04:49 1993  Torbjorn Granlund  ([email protected])
                   4229: 
                   4230:        * configure (powerpc-ibm-aix*): Set cpu_type.
                   4231:        * config.sub: Recognize powerpc.
                   4232: 
                   4233: Sun Oct 17 21:37:57 1993  Jeffrey A. Law  ([email protected])
                   4234: 
                   4235:        * reload1.c (eliminate_regs_in_insn): Rerecognize some loads and
                   4236:        stores.
                   4237:        * pa.md (indexing loads and stores): Provide variants which avoid
                   4238:        reload problems with shift-add operations.
                   4239: 
                   4240:        * pa.h (READONLY_DATA_SECTION): Disable.
                   4241: 
                   4242: Thu Oct 14 12:38:27 1993  Richard Stallman  ([email protected])
                   4243: 
                   4244:        * cse.c (fold_rtx): Special case handling for folding
                   4245:        a subreg of the result of a left shift.
                   4246: 
                   4247: Thu Oct 14 00:05:42 1993  Richard Kenner  ([email protected])
                   4248: 
                   4249:        * alpha.h (DBX_CONTIN_LENGTH): Set to 4000.
                   4250: 
                   4251:        * expr.c (do_jump_for_compare): Don't blow up if aren't any insns
                   4252:        in this sequence yet.
                   4253: 
                   4254:        * alpha.h (LINK_SPEC): Now OK to pass -O3 to linker.
                   4255:        (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Work around
                   4256:        bug in DEC assembler.
                   4257: 
                   4258: Wed Oct 13 21:47:58 1993  Ian Lance Taylor  ([email protected])
                   4259: 
                   4260:        * fixincludes: Remove erroneous parens from Alpha OSF/1 <sym.h>.
                   4261: 
                   4262: Wed Oct 13 16:08:54 1993  Richard Stallman  ([email protected])
                   4263: 
                   4264:        * config/m68k/sun3.h (CPP_PREDEFINES): Don't define _CROSS_TARGET_ARCH.
                   4265: 
                   4266:        * fold-const.c (invert_truthvalue): Handle SAVE_EXPR.
                   4267: 
                   4268:        * Makefile.in (install-collect2): Depend on install-dir.
                   4269:        (install-info, install-float-h-cross): Likewise.
                   4270: 
                   4271: Wed Oct 13 15:51:02 1993  Stephen L. Moshier  ([email protected])\
                   4272: 
                   4273:        * real.h (FLOAT_WORDS_BIG_ENDIAN): New macro.
                   4274:        (HOST_FLOAT_WORDS_BIG_ENDIAN): Likewise, for host.
                   4275:        (REAL_VALUE_TO_TARGET_DOUBLE (default version)): Use them.
                   4276:        (efixi, efixui): Return HOST_WIDE_INT.
                   4277:        (REAL_VALUE_FROM_INT): Cast inputs to HOST_WIDE_INT.
                   4278:        * real.c (FLOAT_WORDS_BIG_ENDIAN, HOST_FLOAT_WORDS_BIG_ENDIAN):
                   4279:        Use everywhere in place of WORDS_BIG_ENDIAN, HOST_WORDS_BIG_ENDIAN,
                   4280:        except in reference to endian-ness of integers.
                   4281:        (etrunci, etruncui, efixi, efixui, ereal_from_int, ereal_to_int,
                   4282:        ltoe, ultoe, eifrac, euifrac): Change `long' to `HOST_WIDE_INT'.
                   4283: 
                   4284: Wed Oct 13 15:47:37 1993  Richard Stallman  ([email protected])
                   4285: 
                   4286:        * c-parse.in (initdcl, notype_initdcl): Call decl_attributes
                   4287:        before init as well as after.
                   4288: 
                   4289:        * config/ns32k/pc532.h (FRAME_POINTER_REQUIRED):
                   4290:        Require a frame pointer if fn calls setjmp.
                   4291: 
                   4292: Wed Oct 13 15:27:01 1993  Jim Wilson  ([email protected])
                   4293: 
                   4294:        * jump.c (jump_optimize): When moving a range of instructions,
                   4295:        include all NOTEs before the range, not just line number notes.
                   4296: 
                   4297: Wed Oct 13 11:01:51 1993  Per Bothner  ([email protected])
                   4298: 
                   4299:        * patch-header.c:  #include <sys/types.h> before <sys/stat.h>.
                   4300: 
                   4301: Wed Oct 13 11:57:33 1993  Richard Kenner  ([email protected])
                   4302: 
                   4303:        * rs6000.md (seq): Fix typo: had "xubfic" instead of "subfic".
                   4304: 
                   4305:        * va-m88k.h (_VA_LIST_): Define.
                   4306: 
                   4307:        * alpha.c (ignore_line_number): No longer used.
                   4308: 
                   4309:        * mips-tdump.c (print_global_hdr): Fix typo in cast in ctime call.
                   4310: 
                   4311:        * cccp.c (main): Don't catch SIGPIPE if no such signal.
                   4312: 
                   4313:        * x-alpha: File deleted, all shipped OSF systems have `ranlib'.
                   4314: 
                   4315:        * fold-const.c (optimize_bit_field_compare, decode_field_reference):
                   4316:        Don't do anything if get_inner_reference returned its argument.
                   4317: 
                   4318:        * bi-reverse.c: Avoid defining NULL; can cause duplicate definition
                   4319:        errors.
                   4320: 
                   4321: Wed Oct 13 07:58:28 1993  Michael Meissner  ([email protected])
                   4322: 
                   4323:        * i386/osfrose.h (ASM_OUTPUT_ADDR_DIFF_ELT): Define like in V.4.
                   4324:        (FUNCTION_PROFILER, FUNCTION_PROLOGUE): Don't load up %eax with
                   4325:        the pointer value before calling indirect, just call indirect the
                   4326:        memory address to save some cycles in profiling.
                   4327: 
                   4328: Tue Oct 12 12:41:12 1993  Jim Wilson  ([email protected])
                   4329: 
                   4330:        * cse.c (record_jump_cond): At end, make missing equivalences
                   4331:        first, and then merge them.
                   4332: 
                   4333: Tue Oct 12 21:30:29 1993  Doug Evans  ([email protected])
                   4334: 
                   4335:        * va-h8300.h (__va_rounded_size): Fix typo in #ifdef.
                   4336: 
                   4337: Tue Oct 12 20:19:22 1993  Richard Stallman  ([email protected])
                   4338: 
                   4339:        * bc-emit.c: Include stdio.h last.
                   4340:        * combine.c: Include stdio.h after gvarargs.h.
                   4341: 
                   4342: Tue Oct 12 13:28:18 1993  Per Bothner  ([email protected])
                   4343: 
                   4344:        * fixproto:  Re-write.  We now assume that there are two
                   4345:        source directories (source_dir_all and source_dir_std).  These
                   4346:        are handled differently.  All files in source_dir_all (normally
                   4347:        ./include) are processed, but in source_dir_std (normally
                   4348:        /usr/include) we only process the standard ANSI/Posix ones where
                   4349:        we might be able to add missing prototypes.
                   4350:        * scan-decls.c (scan_decls):  Rewrote from being a program whose
                   4351:        output is piped to patch-header, to a subroutine called by
                   4352:        patch-header.  This should be somewhat more efficient.
                   4353:        * Makefile.in (scan-decls):  Removed rule to make program.
                   4354:        * patch-header.c (recognized_macro, recognized_extern,
                   4355:        recognized_function):  New functins, with logic moved out from
                   4356:        read_scan_file, so they can be called by scan_decls.
                   4357:        * patch-header (main):  Read the original header file into a
                   4358:        buffer (rather than reading it with stdio).  This should be more
                   4359:        efficient, partly because we can re-write it in place.
                   4360:        (inf_skip_spaces, inf_read_upto, inf_scan_ident):  New functions,
                   4361:        based on skip_spaces, read_upto, and scan_ident in scan.c, but
                   4362:        these read from the in-memory buffer mentioned above.
                   4363:        * scan-types.sh:  Don't check for sigset_t, since it can be a
                   4364:        struct, whose name cannot be simplify replaced by its definition.
                   4365:        * Makefile.in (deduced.h):  Don't pass -nostdinc.
                   4366: 
                   4367: Tue Oct 12 18:36:32 1993  Peter Schauer  ([email protected])
                   4368: 
                   4369:        Changes to support native ecoff and embedded stabs debugging
                   4370:        for the Alpha.
                   4371: 
                   4372:        * alpha.c (output_prolog): Put out file and line number if sdb
                   4373:        debugging format, put out .ent directive, signal start of function for
                   4374:        alpha_output_filename and set up debugging auto/arg offsets.
                   4375:        (output_epilog): Signal end of function for alpha_output_filename.
                   4376:        (alpha_output_filename, alpha_output_lineno): New functions.
                   4377:        * alpha.h (TARGET_SWITCHES): Add gas option.
                   4378:        (ASM_DECLARE_FUNCTION_NAME): Moved output of .ent directive to
                   4379:        output_prolog.
                   4380:        (DBX_NO_XREFS): Removed, gdb understands cross references and the
                   4381:        native debugger can't handle embedded stabs.
                   4382:        (ASM_FILE_START): Replace output of .file directive
                   4383:        by ASM_OUTPUT_SOURCE_FILENAME call.
                   4384:        (TARGET_GAS, MASK_GAS, SDB_DEBUGGING_INFO, DBX_DEBUGGING_INFO,
                   4385:        MIPS_DEBUGGING_INFO, PREFERRED_DEBUGGING_TYPE, DEBUGGER_AUTO_OFFSET,
                   4386:        DEBUGGER_ARG_OFFSET, ASM_OUTPUT_SOURCE_LINE,
                   4387:        ASM_OUTPUT_SOURCE_FILENAME, DEFAULT_GDB_EXTENSIONS, ASM_STABS_OP,
                   4388:        ASM_STABN_OP, ASM_STABD_OP, SDB_ALLOW_FORWARD_REFERENCES,
                   4389:        SDB_ALLOW_UNKNOWN_REFERENCES, PUT_SDB_DEF, PUT_SDB_PLAIN_DEF,
                   4390:        PUT_SDB_TYPE, PUT_SDB_BLOCK_START, PUT_SDB_BLOCK_END,
                   4391:        PUT_SDB_FUNCTION_START, PUT_SDB_FUNCTION_END, PUT_SDB_EPILOGUE_END,
                   4392:        ASM_FINAL_SPEC, CODE_MASK, MIPS_IS_STAB, MIPS_MARK_STAB,
                   4393:        MIPS_UNMARK_STAB, SHASH_SIZE, THASH_SIZE): New macros.
                   4394:        * alpha-gdb.h: New file.
                   4395:        * configure (alpha-*-osf*): Handle --with-stabs and --with-gnu-as.
                   4396:        * mips-tfile.c (add_local_symbol): Index in the external symbol
                   4397:        must point to local symbol table entry for procedures.
                   4398: 
                   4399: Mon Oct 11 16:14:53 1993  Ian Lance Taylor  ([email protected])
                   4400: 
                   4401:        * fixincludes: If a file is referenced with double quotes from
                   4402:        a fixed file, make sure it is copied into the fixed include
                   4403:        directory.
                   4404:        Remove DPS/XDPSlib.h special-case code.
                   4405: 
                   4406: Tue Oct 12 08:05:28 1993  David Edelsohn  ([email protected])
                   4407: 
                   4408:        * rs6000/powerpc.h: New file.
                   4409:        * configure (powerpc-ibm-aix*): New target.
                   4410:        * rs6000.h (MASK and TARGET): Add new flags for POWER2 and PowerPC
                   4411:        with square root.
                   4412:        (ASSEMBLER_DIALECT): New macro.
                   4413:        (CONDITIONAL_REGISTER_USAGE): Set MQ register fixed if not POWER.
                   4414:        (SHIFT_COUNT_TRUNCATED): Conditional on POWER.
                   4415:        (ASM_OUTPUT_REG_{PUSH,POP}): Mnemonics dependencies.
                   4416:        * rs6000.c (rs6000_override_options): Use new TARGET flags and
                   4417:        add some more cpu choices.
                   4418:        (output_prolog, output_epilog): Support new mnemonics and avoid
                   4419:        using lm/stm when not POWER.
                   4420:        * rs6000.md: Update define_function_units.
                   4421:        Put both old and new mnemonics in all templates.
                   4422:        Add target tests to pattern conditional field throughout.
                   4423:        (one_cmplsi2): Make POWER and PowerPC variants.
                   4424:        (mulsi3): Convert to define_expand which calls appropriate POWER
                   4425:        or PowerPC pattern.
                   4426:        (divsi3, udivsi3): Add patterns for PowerPC case.  Update divsi3
                   4427:        define_expand for PowerPC case.
                   4428:        (ashlsi3, lshrsi3, ashrsi3, extendqisi2, extendqihi2): Convert to
                   4429:        define_expand which calls appropriate POWER or PowerPC pattern.
                   4430:        (floating-point): Add PowerPC single-precision FP, and SF/DF sqrt
                   4431:        insns for 603, 604, 620.
                   4432:        (call insns): Use "nop" for magic TOC restore.
                   4433:        (move data, nop): Use PowerPC extended mnemonics.
                   4434: 
                   4435: Tue Oct 12 07:58:36 1993  Richard Kenner  ([email protected])
                   4436: 
                   4437:        * alpha.h (SETUP_INCOMING_VARARGS): If not TARGET_FPREGS,
                   4438:        save another copy of the integer regs where the FP regs would
                   4439:        have gone.
                   4440: 
                   4441:        * tree.h (struct tree_type): symtab_address is now a union of
                   4442:        pointer and integer.
                   4443:        (TYPE_SYMTAB_ADDRESS): Refer to the integer.
                   4444:        (TYPE_SYMTAB_POINTER): New macro to refer to pointer.
                   4445:        * sdbout.c (KNOWN_TYPE_TAG, SET_KNOWN_TYPE_TAG): Refer to
                   4446:        TYPE_SYMTAB_POINTER and remove casts.
                   4447:        (tag_of_ru_type): Likewise.
                   4448: 
                   4449:        * reload1.c (reload): Fix typo in RELOAD_FOR_INSN case when
                   4450:        accounting for reloads.
                   4451: 
                   4452:        * expr.c (convert_modes): Reset OLDMODE from X after we strip
                   4453:        a SUBREG due to a promoted variable.
                   4454: 
                   4455:        * dbxout.c (dbxout_type, case INTEGER_TYPE): Output bounds in
                   4456:        octal if type wider than HOST_WIDE_INT.
                   4457:        (print_int_cst_octal): Trim bound by precision of its type.
                   4458:        Avoid warning on what may be shift into sign bit.
                   4459: 
                   4460:        * bi-reverse.c: Add missing #include for hconfig.h.
                   4461: 
                   4462:        * fixincludes: Quote braces when looking for DONE files.
                   4463: 
                   4464:        * final.c (dialect_number): New variable.
                   4465:        (init_final): Initialize it.
                   4466:        (output_asm_insn, asm_fprintf): Support ASSEMBLER_DIALECT.
                   4467: 
                   4468: Tue Oct 12 01:34:16 1993  Richard Stallman  ([email protected])
                   4469: 
                   4470:        * c-typeck.c (digest_init): If traditional, allow unbraced scalar
                   4471:        to initialize the first element of an aggregate.
                   4472: 
                   4473:        * cccp.c (output_line_command): Output the `4' flag only if cplusplus.
                   4474:        (do_line): Handle the `4' flag.
                   4475: 
                   4476:        * final.c (final_scan_insn): Call walk_alter_subreg for operands
                   4477:        that are PLUS or MULT, before constrain_operands.
                   4478: 
                   4479: Mon Oct 11 15:18:45 1993  Richard Stallman  ([email protected])
                   4480: 
                   4481:        * real.c (debug_real): New function.
                   4482: 
                   4483:        * regclass.c (reg_scan_mark_refs): XEXP (x, 0) in EXPR_LIST may be 0.
                   4484: 
                   4485:        * config/m68k/m68k.md (cmphi): Turn on constraints to support cmpm.w.
                   4486: 
                   4487: Mon Oct 11 13:20:54 1993  Jim Wilson  ([email protected])
                   4488: 
                   4489:        * unroll.c (unroll_loop): Set map->const_equiv_map_size to
                   4490:        new_maxregnum.
                   4491:        (copy_loop_body): When set const_age_map entry for split dest reg,
                   4492:        verify that it is within the bounds of the map.
                   4493:        (find_splittable_regs): Count number of biv sets, not number of
                   4494:        bivs.  Don't pass result to find_splittable_givs.
                   4495:        (find_splittable_givs): Delete parameter result.  Add local
                   4496:        variable result.
                   4497: 
                   4498: Mon Oct 11 07:43:31 1993  Richard Kenner  ([email protected])
                   4499: 
                   4500:        * expr.c (expand_assignment): When assigning an INDIRECT_REF to
                   4501:        a RESULT_DECL, the size and source rtx were swapped.
                   4502: 
                   4503:        * function.c (trampoline_address): Don't allocate anything
                   4504:        from parent function's current obstack.
                   4505: 
                   4506:        * regclass.c (reg_scan): Don't call reg_scan_mark_refs on notes
                   4507:        if there aren't any.
                   4508:        (reg_scan_mark_refs, case INSN_LIST, EXPR_LIST): New cases.
                   4509: 
                   4510:        * cse.c (simplify_binary_operation): Test value of
                   4511:        SHIFT_COUNT_TRUNCATED if it is defined.
                   4512:        * combine.c (subst, shift and rotate cases): Likewise.
                   4513:        * a29k.h, alpha.h, fx80.h, i960.h, mips.h, pa.h, pyr.h, rs6000.h:
                   4514:        Define SHIFT_COUNT_TRUNCATED to have a value of 1.
                   4515:        * sparc.h, tahoe.h, we32k.h: Likewise.
                   4516: 
                   4517: Mon Oct 11 02:40:22 1993  Richard Stallman  ([email protected])
                   4518: 
                   4519:        * regclass.c (regno_last_note_uid): New vector.
                   4520:        (reg_scan): Initialize regno_last_note_uid.
                   4521:        Call reg_scan_mark_refs for the notes.  Pass its new arg.
                   4522:        (reg_scan_mark_refs): New arg NOTE_FLAG.  Pass it recursively.
                   4523:        Set regno_last_note_uid.
                   4524:        * regs.h (regno_last_note_uid): Declared.
                   4525:        * jump.c (jump_optimize): Use regno_last_note_uid when deciding
                   4526:        whether a register is set and never used.
                   4527: 
                   4528: Sun Oct 10 22:51:01 1993  Stephen Moshier  ([email protected])
                   4529: 
                   4530:        * real.c (asctoeg): Fix backward condition in last change.
                   4531: 
                   4532: Sun Oct 10 22:33:17 1993  Jeffrey A. Law  ([email protected])
                   4533: 
                   4534:        * configure (hppa1.0-*-mach*): Use collect2.
                   4535:        (hppa1.1-*-mach*): Likewise.
                   4536: 
                   4537:        * pa.c (legitimize_pic_address): Delete unused variables.
                   4538:        (output_block_move, output_ior): Likewise.
                   4539:        (hppa_builtin_saveregs): Likewise.
                   4540:        (emit_move_sequence): Add parens as suggested by -Wall.
                   4541:        (compute_frame_size): Likewise.
                   4542:        (output_ascii): Return type is "void".
                   4543:        (hppa_expand_prologue, import_milli): Likewise.
                   4544: 
                   4545:        * pa.c (output_function_prologue):  Pass the highest register
                   4546:        number saved for ENTRY_GR and ENTRY_FR directives rather
                   4547:        than the number of registers saved.
                   4548:        (hppa_expand_prologue):  Account for %r4 when it's being 
                   4549:        used as a frame pointer.
                   4550: 
                   4551: Sun Oct 10 18:42:49 1993  Richard Stallman  ([email protected])
                   4552: 
                   4553:        * c-typeck.c (start_init): Don't set require_constant_elements
                   4554:        for scalar types.
                   4555: 
                   4556:        * c-parse.in (stmt): Don't call default_conversion on top-level
                   4557:        expressions.
                   4558: 
                   4559:        * c-typeck.c (convert_for_assignment): Allow silent conversion to
                   4560:        a pointer from an integer 0 that resulted from arithmetic.
                   4561: 
                   4562:        * varasm.c, c-pragma.c (enum pragma_state): Defined.
                   4563: 
                   4564:        * config/i386/i386.c (restore_386_machine_status)
                   4565:        (save_386_machine_status): New functions.
                   4566:        (clear_386_stack_locals): Store those functions in
                   4567:        save_machine_status, restore_machine_status.
                   4568:        (struct machine_function): New structure definition.
                   4569: 
                   4570:        * function.h (struct function): New field `machine'.
                   4571:        * function.c (save_machine_status, restore_machine_status): New vars.
                   4572:        (push_function_context, pop_function_context): Use them.
                   4573: 
                   4574:        * explow.c (emit_stack_save): Cast enum array index to int.
                   4575: 
                   4576: Sun Oct 10 12:49:39 1993  Richard Earnshaw ([email protected])
                   4577: 
                   4578:        * arm.c (const_ok_for_arm): Cast constants to unsigned HOST_WIDE_INT.
                   4579:        (output_prologue): Sanity check the finite state machine.
                   4580:        (output_epilogue): Delete unused variable.
                   4581:        (final_prescan_insn): Always clear arm_target_insn when FSM goes to
                   4582:        state 0.
                   4583:        * arm.h (OPTIMIZATION_OPTIONS): Don't set flag_omit_frame_pointer,
                   4584:        since this inhibits debugging.
                   4585:        (ASM_OUTPUT_INTERNAL_LABEL): Always clear arm_target_insn when FSM
                   4586:        goes to state 0.
                   4587: 
                   4588: Sun Oct 10 08:56:58 1993  Richard Kenner  ([email protected])
                   4589: 
                   4590:        * alpha.h (ALPHA_COSTS): Add missing arg to call to rtx_cost.
                   4591: 
                   4592:        * combine.c (force_to_mode, case ASHIFTRT): Verify that result of
                   4593:        making a LSHIFTRT remains a shift.
                   4594: 
                   4595:        * tree.c (save_tree_status): Function_maybepermanent_obstack is the
                   4596:        function_obstack of parent function.
                   4597:        (restore_tree_status): Only free objects later than
                   4598:        maybepermanent_firstobj in function_maybepermanent_obstack.
                   4599:        (make_node): Fix logic error in PARM_DECL code.
                   4600:        Put PARM_DECL in parent function's saveable obstack.
                   4601:        * function.c (put_reg_into_stack): Allocate fixup structure in
                   4602:        saveable obstack.
                   4603: 
                   4604:        * expr.c (expand_assignment): Don't short circuit store_expr
                   4605:        when TO is a VAR_DECL since it needs special handling if promoted.
                   4606: 
                   4607:        * combine.c (subst, case SUREG): Only call force_to_mode if both
                   4608:        inner and outer modes are MODE_INT.
                   4609: 
                   4610:        * mips-tfile.c (WORD_ALIGN): Fix typo in last change.
                   4611: 
                   4612:        * c-common.c (check_format_info): Support X/Open formats like "%1$d".
                   4613: 
                   4614: Sat Oct  9 22:29:17 1993  Per Bothner  ([email protected])
                   4615: 
                   4616:        * configure:  If no target is specified, try getting one
                   4617:        with config.guess.
                   4618:        * config.guess: New file.
                   4619: 
                   4620: Sat Oct  9 19:50:24 1993  Pat Rankin  ([email protected])
                   4621: 
                   4622:        * c-common.c (check_format_info): Avoid ?: conditional for function
                   4623:        to be called.
                   4624: 
                   4625:        * config/vax/xm-vms.h [VAXC] (bc_check_for_full_enumeration_handling)
                   4626:        (current_function_has_nonlocal_goto)
                   4627:        (output_deferred_addressed_constants): New macros to shorten
                   4628:        external names exceeding 31 characters.
                   4629: 
                   4630:        * make-cc1.com: Move alloca handling before bytecode construction
                   4631:        so that VAX C won't need two different values for LIBS.  Eliminate a
                   4632:        comment about make-like functionality that referred to a capability
                   4633:        which has not been implemented.
                   4634: 
                   4635: Sat Oct  9 21:53:53 1993  Ian Lance Taylor  ([email protected])
                   4636: 
                   4637:        * fixincludes: Unquote a quoted `t' in a #define _IO line, for AIX
                   4638:        3.2 sys/stropts.h #define _IO(t,v).
                   4639:        (sys/spinlock.h): Don't copy it if it doesn't exist.
                   4640:        (DPS/XDPSlib.h): Change "XDPS.h" to <DPS/XDPS.h>, for AIX.
                   4641: 
                   4642: Sat Oct  9 15:00:00 1993 DJ Delorie ([email protected])
                   4643: 
                   4644:        * configure.bat: Change $(srcdir)/ to $(srcdir)\ in commands.
                   4645: 
                   4646: Sat Oct  9 15:17:22 1993  Richard Kenner  ([email protected])
                   4647: 
                   4648:        * expr.c (expand_expr, case ABS_EXPR): Don't copy twice into
                   4649:        volatile MEM.
                   4650: 
                   4651:        * expr.c (expand_expr): Never reset ORIGINAL_TARGET.
                   4652:        Pass ORIGINAL_TARGET to lang_expand_expr, not TARGET.
                   4653: 
                   4654: Sat Oct  9 13:27:10 1993  Richard Stallman  ([email protected])
                   4655: 
                   4656:        * tree.c (pop_momentary_nofree): New function.
                   4657:        * c-parse.in (initdcl, notype_initdcl, init): Undo previous change.
                   4658:        (init): Use pop_momentary_nofree if the initializer has real data.
                   4659: 
                   4660: Sat Oct  9 12:55:26 1993  Stephen Moshier  ([email protected])
                   4661: 
                   4662:        * real.c (asctoeg): Allocate local buffer dynamically.  Count
                   4663:        any lost significant digits before the decimal point.
                   4664: 
                   4665: Fri Oct  8 16:33:42 1993  Mike Stump  ([email protected])
                   4666: 
                   4667:        * cp-tree.h (OFFSET_REF): Override OFFSET_REFs from the back-end, as
                   4668:          we need to do something more complex with them.
                   4669:        * cp-tree.def (CP_OFFSET_REF): Very similar to OFFSET_REFs, but
                   4670:          allow the front-end to handle them.
                   4671: 
                   4672: Fri Oct  8 14:40:29 1993  Jason Merrill  ([email protected])
                   4673: 
                   4674:        * cp-error.c (dump_expr, REAL_CST): Support printing of real values
                   4675:        when REAL_IS_NOT_DOUBLE (prints out rep in hex).
                   4676: 
                   4677: Fri Oct  8 13:54:03 1993  Mike Stump  ([email protected])
                   4678: 
                   4679:        * cp-type2.c (store_init_value): Move pointer to member function
                   4680:          initilization code to...
                   4681:        * cp-type2.c (digest_init): here.  Allows nested pointer to member
                   4682:          functions to work.
                   4683:        * cp-decl.c (build_ptrmemfunc_type): Use a real union instead of a
                   4684:          magic union, as the initialization code doesn't like them.
                   4685:        * cp-tree.h (TYPE_PTRMEMFUNC_FN_TYPE): Changed to go though the
                   4686:          union.
                   4687:        * cp-tree.h (DELTA2_FROM_PTRMEMFUNC, PFN_FROM_PTRMEMFUNC): Accessor
                   4688:          macros to go thought union.  Allows us to change pointer to member
                   4689:          functions a little easier.
                   4690:        * cp-typeck.c (get_member_function_from_ptrfunc,
                   4691:          build_binary_op_nodefault): Changed to use new accessor macros.
                   4692:        * cp-typeck.c (build_ptrmemfunc): Use new union instead.  Also, make
                   4693:          sure TREE_CONSTANT is set for CONSTANT things.
                   4694:        * cp-decl.c (pfn_or_delta2_identifier): Added to cache
                   4695:          get_identifier calls.
                   4696:        * cp-tree.h (pfn_or_delta2_identifier): Declare it.
                   4697:        * cp-decl.c (init_decl_processing): Setup pfn_or_delta2_identifier.
                   4698: 
                   4699: Fri Oct  8 19:03:09 1993  Jim Wilson  ([email protected])
                   4700: 
                   4701:        * xcoffout.h (DBX_STATIC_BLOCK_START): For N_LCSYM, force change
                   4702:        to text section to avoid assembler bug.
                   4703: 
                   4704:        * mips.md (movsi_unaligned): Change in comment "loads" to "stores".
                   4705: 
                   4706:        * calls.c (emit_library_call_value): Compute struct_value_size,
                   4707:        and pass it to emit_call_1.
                   4708: 
                   4709: Fri Oct 8  16:13:17 1993  H.J. Lu  ([email protected])
                   4710: 
                   4711:        * config/i386/linux.h (STARTFILE_SPEC): Handle -p and -pg
                   4712:        outermost.  Also add support for cross-linking.
                   4713: 
                   4714: Fri Oct  8 15:20:58 1993  Brendan Kehoe  ([email protected])
                   4715: 
                   4716:        * Makefile.in (cp-error.o, cp-errfn.o): Add dependency rules.
                   4717: 
                   4718: Fri Oct  8 08:00:51 1993  Eric Youngdale  (eric@kafka)
                   4719: 
                   4720:        * linux.h: Only include i386/gstabs.h if LINUX_ELF is not defined.
                   4721: 
                   4722:        * linuxelf.h:  Copy a lot of stuff from the SVr4 configuration:
                   4723:        include "i386/i386.h", "i386/att.h" and "svr4.h".
                   4724:        (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):  Undefine.
                   4725:        (ASM_FILE_START, RETURN_IN_MEMORY, ASM_OUTPUT_ADDR_DIFF_ELT)
                   4726:        (JUMP_TABLES_IN_TEXT_SECTION, DBX_REGISTER_NUMBER): Copy from sysv4.h.
                   4727:        (TARGET_VERSION): Define to print "i386 Linux/ELF".
                   4728:        (LINUX_ELF): Define, before we include "i386/linux.h"
                   4729:        (YES_UNDERSCORE): Undefine.
                   4730: 
                   4731: Fri Oct  8 13:40:44 1993  Michael Meissner  ([email protected])
                   4732: 
                   4733:        * i386/osfrose.h, i386/osfelf.h (CPP_SPEC): If buliding for shared
                   4734:        libraries, define __SHARED__.
                   4735: 
                   4736:        * i386/osfrose.h (FUNCTION_PROFILER): If half-pic, call mcount in a
                   4737:        half-pic fashion.
                   4738:        (FUNCTION_PROLOGUE): If half-pic call through _mcount_ptr in a
                   4739:        half-pic fashion.
                   4740: 
                   4741:        * halfpic.c (half_pic_external): New function to declare a halfpic
                   4742:        identifier as always external.
                   4743: 
                   4744:        * halfpic.h (half_pic_external): declare function.
                   4745:        (HALF_PIC_EXTERNAL): Declare accessor macro.
                   4746: 
                   4747: Fri Oct  8 15:03:56 1993  Brendan Kehoe  ([email protected])
                   4748: 
                   4749:        Cygnus<->FSF C++ front-end merge.
                   4750:        Thu Oct  7 11:45:32 1993  Jason Merrill  ([email protected])
                   4751: 
                   4752:        * Makefile.in (CPLUS_OBJS): Change error.o to cp-errfn.o
                   4753: 
                   4754:        * cp-*.c, cp-parse.y: Rename lang_error and its kin to cp_error
                   4755:        and the like to accomodate rms's belief structure.
                   4756: 
                   4757:        * error.c: Moved to cp-errfn.c to accomodate rms's belief structure
                   4758: 
                   4759:        Wed Oct  6 15:05:49 1993  Jason Merrill  ([email protected])
                   4760: 
                   4761:        * cp-pt.c (mangle_class_name_for_template): Always use type_as_string
                   4762:        for printing out type parameters.  Nuke id and type variables.
                   4763: 
                   4764:        * cp-error.c (dump_expr, INTEGER_CST): Support printing of character
                   4765:        literals and large integers
                   4766:        (dump_char): New function
                   4767:        (dump_type): Deal with ** and *& more prettily
                   4768: 
                   4769:        * cp-pt.c (mangle_class_name_for_template): Strip out code for
                   4770:        printing template parameters, replace with call to expr_as_string.
                   4771: 
                   4772:        * cp-method.c (build_overload_value): descend through
                   4773:        TREE_OPERAND on NOP_EXPRs as well as NON_LVALUE_EXPRs.
                   4774: 
                   4775:        * cp-decl.c (poplevel_class): Add assertion that
                   4776:        class_binding_level is not NULL.
                   4777: 
                   4778:        Tue Oct  5 11:11:25 1993  Jason Merrill  ([email protected])
                   4779: 
                   4780:        Patches to support proper handling of system includes without munging:
                   4781: 
                   4782:        * cp-lex.h: Declare in_c_header, a flag meaning 'implicitly wrap this
                   4783:        file in extern "C" { }'.
                   4784: 
                   4785:        * cp-lex.c: Define in_c_header.
                   4786:        (check_newline): If in_c_header when changing files,
                   4787:        pop_lang_context().
                   4788:        (check_newline): If "4" seen on #line line, push_lang_context(C).
                   4789: 
                   4790:        * cccp.c: Add a new field c_system_include_path to struct
                   4791:        file_name_list which indicates that the directory contains C-language
                   4792:        system includes.
                   4793:        (*various*): Set this flag correctly
                   4794:        (is_system_include): Return 2 if C-language system include.
                   4795:        (output_line_command): Output " 4" after " 3" for C-language system
                   4796:        include.
                   4797: 
                   4798:        * cp-tree.h (SET_CLASSTYPE_INTERFACE_UNKNOWN_X): Coerce X to boolean
                   4799:        value
                   4800: 
                   4801:        Mon Oct  4 17:03:48 1993  Jason Merrill  ([email protected])
                   4802: 
                   4803:        * cp-tree.h: Add declaration for flag_external_templates
                   4804: 
                   4805:        * cp-decl.c (start_decl): Don't declare flag_external_templates
                   4806: 
                   4807:        * cp-pt.c: Ditto
                   4808: 
                   4809:        * cp-parse.y (template_instantiate_once): Ditto
                   4810: 
                   4811:        * cp-lex.c (reinit_parse_for_method): Ditto
                   4812:        (cons_up_default_function): Ditto
                   4813:        (extract_interface_info): Don't set interface_unknown
                   4814:        if (processing_template_defn && !flag_external_templates)
                   4815: 
                   4816:        * cp-error.c (dump_type): Deal properly with pointers to member
                   4817:        functions.
                   4818: 
                   4819:        * cp-pt.c (instantiate_class_template): If !flag_external_templates,
                   4820:        increment interface_unknown so that nested classes will be dealt with
                   4821:        properly.
                   4822:        (end_template_instantiation): If !flag_external_templates,
                   4823:        decrement interface_unknown.
                   4824: 
                   4825:        * cp-lex.c (cons_up_default_function): Remove redundant check
                   4826:        for processing_template_defn && !flag_external_templates
                   4827:        (reinit_parse_for_method): Ditto
                   4828: 
                   4829:        * cp-parse.y (template_instantiate_once):  Don't mess with
                   4830:        interface_unknown
                   4831: 
                   4832:        Mon Oct  4 15:47:34 1993  Mike Stump  ([email protected])
                   4833: 
                   4834:        * cp-decl.c (duplicate_decls): Move setting of TREE_CHAIN after
                   4835:          all possible return 0;s as we only want to do this when we know
                   4836:          that we are dealing with a duplicate.
                   4837: 
                   4838:        * cp-decl.c (start_function): Remove my_friendly_abort 19.  Allows
                   4839:          one to declare a built-in as extern inline.
                   4840: 
                   4841:        Mon Oct  4 12:47:33 1993  John F Carr  ([email protected])
                   4842: 
                   4843:        * cp-lex.c (consume_string): Change variable `c' to int so return
                   4844:        value of getch can be assigned to it safely.  Compare return value
                   4845:        of getch to EOF, not -1.
                   4846: 
                   4847:        Mon Oct  4 11:42:46 1993  Jason Merrill  ([email protected])
                   4848: 
                   4849:        * toplev.c (error and its kin): Use #defines for the argument
                   4850:        lists for ease of adding arguments, and of moving to vfprintf when
                   4851:        dje adds it.
                   4852: 
                   4853:        * error.c (lang_thing and its children): Do the same thing.
                   4854: 
                   4855:        * cp-typeck.c (build_binary_op): Do away with the kludge, now that
                   4856:        error accepts more arguments.
                   4857: 
                   4858:        Sun Oct  3 16:34:39 1993  Jason Merrill  ([email protected])
                   4859: 
                   4860:        * cp-error.c: Remove all traces of in_parmlist
                   4861: 
                   4862:        Sun Oct  3 13:54:57 1993  Mike Stump  ([email protected])
                   4863: 
                   4864:        * cp-call.c (convert_harshness_ansi, convert_harshness_old): Handle
                   4865:          pointer to function members properly.
                   4866: 
                   4867:        Fri Oct  1 16:42:30 1993  Mike Stump  ([email protected])
                   4868: 
                   4869:        * cp-error.c (dump_function_decl, dump_function_name): Make static
                   4870:          to match prototype.
                   4871: 
                   4872:        Fri Oct  1 15:23:31 1993  Mike Stump  ([email protected])
                   4873: 
                   4874:        * cp-typeck.c (build_ptrmemfunc): Move some code into the virtual
                   4875:          conditional part.  Fixes problem with core core dumping when the
                   4876:          class that we want to build a pointer to member function for doesn't
                   4877:          have any virtual functions.
                   4878: 
                   4879:        Thu Sep 30 18:15:29 1993  Jason Merrill  ([email protected])
                   4880: 
                   4881:        * cp-parse.y (id_scope): Print the name of the invalid scope.
                   4882:        (unary_expr): Add .scope new typespec '(' typespec ')' expansion
                   4883:        which just gives an error.
                   4884: 
                   4885:        * cp-typeck.c (build_binary_op): Print more helpful message for
                   4886:        a missing member operator (print the desired type involved).
                   4887:        Very kludgey due to error()'s two-arg limit.
                   4888: 
                   4889:        * error.c (lang_thing): Abort if more than NARGS (currently 2) are
                   4890:        passed, since this is likely to cause a seg fault elsewhere anyway.
                   4891: 
                   4892:        Thu Sep 30 14:19:28 1993  Jason Merrill  ([email protected])
                   4893: 
                   4894:        * g++int.texi: Add error reporting section, make `makeinfo'able
                   4895: 
                   4896:        * cp-type2.c (my_friendly_abort): Deal with recursive calls
                   4897: 
                   4898:        Thu Sep 30 12:24:33 1993  Brendan Kehoe  ([email protected])
                   4899: 
                   4900:        * cp-decl2.c (grok_array_decl): Don't pedwarn on reversing the array
                   4901:        and its index in `a[b]'.
                   4902: 
                   4903:        * cp-typeck.c (build_conditional_expr): Make pointer type mismatch
                   4904:        in a conditional expression get a pedwarn.
                   4905:        (build_binary_op_nodefault): Make comparison between different
                   4906:        pointer types lacking a cast get a pedwarn.
                   4907:        (build_modify_expr): Don't strip the NOP_EXPRs, since we're using
                   4908:        the rhs in a non-lvalue context.
                   4909:        (convert_for_assignment): Allow conversion of 0 to a pointer, but
                   4910:        not a 0 that results from casting or folding.
                   4911: 
                   4912:        Thu Sep 30 11:24:59 1993  Jason Merrill  ([email protected])
                   4913: 
                   4914:        * cp-typeck.c (build_modify_expr): For memberwise assignment,
                   4915:        put nop_expr (reference_type (lhstype)) at the end of of the list so
                   4916:        that the expression has the correct type.
                   4917: 
                   4918:        * error.c (lang_thing): Don't rely on STDC array initialization
                   4919: 
                   4920:        Tue Sep 28 18:20:05 1993  Mike Stump  ([email protected])
                   4921: 
                   4922:        * cp-init.c (build_virtual_init): Use get_binfo and
                   4923:          convert_pointer_to_real, to find the right basetype to convert to,
                   4924:          instead of trying to use convert_pointer_to, as convert_pointer_to
                   4925:          doesn't handle complex MI situations.  Cures a bogus "cannot
                   4926:          convert a pointer of type `B' to a pointer of type `A'" when the
                   4927:          compiler is initializing virtual table pointers.
                   4928: 
                   4929:        Mon Sep 27 14:54:42 1993  Mike Stump  ([email protected])
                   4930: 
                   4931:        * cp-call.c (build_method_call): Use get_binfo and
                   4932:          convert_pointer_to_real, to find the right basetype to convert to,
                   4933:          instead of trying to use convert_pointer_to, as convert_pointer_to
                   4934:          doesn't handle complex MI situations.  Cures a bogus "cannot
                   4935:          convert a pointer of type `B' to a pointer of type `A'" when the
                   4936:          compiler is setting up the `this' pointer.
                   4937:        * cp-cvt.c (convert_pointer_to): Just call convert_pointer_to_real
                   4938:          to implement functionality.
                   4939:        * cp-cvt.c (convert_pointer_to_real): New routine.  Uses new
                   4940:          functionality in get_base_distance to figure out which exact
                   4941:          parent we want to convert to.
                   4942:        * cp-search.c (get_base_distance_recursive, get_base_distance):
                   4943:          Modify to support searching for a specific PARENT given as a binfo
                   4944:          from our hierarchy.
                   4945:        * cp-typee.h (convert_pointer_to_real): Declare new routine.
                   4946: 
                   4947:        Mon Sep 27 13:02:51 1993  Jason Merrill  ([email protected])
                   4948: 
                   4949:        * cp-type2.c (my_friendly_abort): Undo previous change
                   4950: 
                   4951:        * cp-*.c: Use lang_error instead of error_with_decl,
                   4952:        error_with_aggr_type, etc.  Not complete; I only changed the easy
                   4953:        cases and a few of the more obscure ones.  Please convert calls
                   4954:        over when you're working on an appropriate section.
                   4955: 
                   4956:        * cp-method.c: Strip out error reporting code
                   4957: 
                   4958:        * Makefile.in (CPLUS_OBJS): Add error.o and cp-error.o
                   4959: 
                   4960:        * cp-error.c: New file, contains call-back functions for C++.
                   4961:        The actual output code is an extensively overhauled version of the
                   4962:        code from cp-method.c.
                   4963:        Don't call my_friendly_* to avoid undesirable recursion.
                   4964: 
                   4965:        * error.c: New file, provides call-back mechanism for language-
                   4966:        dependent error reporting.
                   4967: 
                   4968:        Fri Sep 24 13:52:27 1993  Jason Merrill  ([email protected])
                   4969: 
                   4970:        * cp-type2.c (my_friendly_abort): Don't die quietly if 
                   4971:        errorcount or sorrycount are positive, die loudly.
                   4972: 
                   4973: Fri Oct  8 13:58:13 1993  Doug Evans  ([email protected])
                   4974: 
                   4975:        * loop.c (scan_loop): When skipping consecutive insns,
                   4976:        don't count notes.
                   4977: 
                   4978: Fri Oct  8 10:41:07 1993  Chip Salzenberg  ([email protected])
                   4979: 
                   4980:        * c-common.c (check_function_format): Correct error in last
                   4981:        change.
                   4982: 
                   4983: Fri Oct  8 08:10:03 1993  Richard Stallman  ([email protected])
                   4984: 
                   4985:        * c-parse.in (initdcl, notype_initdcl): Call push_momentary and
                   4986:        pop_momentary here.
                   4987:        (init): Not here.
                   4988: 
                   4989: Fri Oct  8 06:35:07 1993  Richard Kenner  ([email protected])
                   4990: 
                   4991:        * dbxout.c (dbxout_type, case INTEGER_TYPE): Correctly check
                   4992:        for type smaller than `integer'.
                   4993: 
                   4994:        * expr.c (expand_expr, case MAX_EXPR): Don't use TARGET directly
                   4995:        if it is a volatile MEM.
                   4996: 
                   4997:        * i386/t-aix, i386/t-isc, i386/t-osfrose, i386/t-sco, mips/t-osfrose:
                   4998:        Remove LIMITS_H; hasn't been used for a while.
                   4999: 
                   5000:        * configure: Add EXTRA_PASSES like we add EXTRA_HEADERS.
                   5001:        Correct EXTRA_HEADERS handling to accept multiple names.
                   5002:        (mips-*-*): Set extra_passes to mips-tfile and mips-tdump when
                   5003:        we use t-mips, t-bsd, t-svr[34], and t-ultrix.
                   5004:        * Makefile.in (mips-tfile, mips-tfile.o, mips-tdump, mips-tdump.o):
                   5005:        New rules.
                   5006:        * mips-tfile.c: Don't define memory functions on Alpha.
                   5007:        (Ptrdiff_t): Always `long'.
                   5008:        (WORD_ALIGN): Make portable.
                   5009:        * mips/t-bsd, t-mips, t-svr3, t-svr4, t-ultrix: Remove
                   5010:        definition of EXTRA_PASSES and remove rules for mips-* files.
                   5011: 
                   5012:        * dbxout.c (dbxout_parms): Don't confuse a parameter at an
                   5013:        offset of zero from AP or FP with one that has variable size.
                   5014: 
                   5015:        * calls.c (emit_library_call): Fix typo in last change; should
                   5016:        use Pmode instead of SImode.
                   5017: 
                   5018: Fri Oct  8 00:34:39 1993  Richard Stallman  ([email protected])
                   5019: 
                   5020:        * c-decl.c (finish_decl): Error if block-scope static var
                   5021:        has incomplete type.
                   5022: 
                   5023:        * expr.c (expand_expr, case VAR_DECL): If decl wasn't laid out,
                   5024:        lay it out now, and fix the rtl's mode.
                   5025: 
                   5026: Thu Oct  7 12:30:10 1993  Chip Salzenberg  ([email protected])
                   5027: 
                   5028:        * c-decl.c (complete_array_type): Correctly set MAXINDEX to
                   5029:        one less than array size.
                   5030: 
                   5031: Thu Oct  7 20:44:41 1993  Torbjorn Granlund  ([email protected])
                   5032: 
                   5033:        * c-typeck.c (build_binary_op): For *_DIV_EXPR, set shorten based
                   5034:        on orig_op0.
                   5035: 
                   5036: Thu Oct  7 18:19:17 1993  Jim Wilson  ([email protected])
                   5037: 
                   5038:        * xm-mips.h (HAVE_VPRINTF): Correct typo, is VPRINTF not VFPRINTF.
                   5039: 
                   5040:        * Makefile.in (LIB2FUNCS): Add _fixtfdi, _fixunstfdi, _floatditf.
                   5041: 
                   5042: Thu Oct  7 14:58:02 1993  Michael Meissner  ([email protected])
                   5043: 
                   5044:        * configure (i386-osf): ELF on OSF/1 does not need collect2.
                   5045: 
                   5046: Thu Oct  7 17:38:25 1993  Richard Stallman  ([email protected])
                   5047: 
                   5048:        * cccp.c (main): New option -lang-c-c++-comments.
                   5049: 
                   5050: Thu Oct  7 16:40:38 1993  Michael Meissner  ([email protected])
                   5051: 
                   5052:        * config/i386/osfrose.h (OSF_PROFILE_BEFORE_PROLOGUE): New macro
                   5053:        to determine whether profiling goes before the function prologue
                   5054:        or after.  New style profiling goes before in order to save
                   5055:        getting and saving the function's callers address or have mcount
                   5056:        'know' there is a frame pointer.  Old style profiling using mcount
                   5057:        and some ELF PIC profiling goes after the prologue.
                   5058:        (FUNCTION_PROLOGUE): Redefine in order to get new style profiling
                   5059:        before the function prologue if desired.
                   5060:        (FUNCTION_PROFILER): Do not put a profile call if it already has
                   5061:        been put out in the prologue.  Change new style profiling to call
                   5062:        through _mcount_ptr instead of _real_mcount.  Propigate ROSE brain
                   5063:        damage regarding mcount being in the users name space to ELF.
                   5064:        (SUBTARGET_SWITCHES): Make -mmcount default again instead of
                   5065:        -mno-mmcount.
                   5066: 
                   5067:        * i386.h (FINALIZE_PIC): Add macro to set the variable
                   5068:        current_function_uses_pic_offset_table if either -p or -a switches
                   5069:        are used.
                   5070: 
                   5071: Thu Oct  7 17:07:57 1993  Ian Lance Taylor  ([email protected])
                   5072: 
                   5073:        * rtl.c (byte_mode, word_mode): Move to emit-rtl.c.
                   5074:        (init_rtl): Move initialization of byte_mode and word_mode to
                   5075:        init_emit_once.
                   5076:        * emit_rtl.c (byte_mode, word_mode): Moved from rtl.c.
                   5077:        (init_emit_once): Moved in initialization of bytes_mode and
                   5078:        word_mode from init_rtl.
                   5079: 
                   5080: Thu Oct  7 11:11:25 1993  Jason Merrill  ([email protected])
                   5081: 
                   5082:        * cccp.c (struct file_name_list): Add new field c_system_include_path.
                   5083:        (*various*): Set this flag correctly
                   5084:        (is_system_include): Return 2 if C-language system include.
                   5085:        (output_line_command): Output " 4" after " 3" for C-language system
                   5086:        include.
                   5087: 
                   5088: Thu Oct  7 14:45:20 1993  Doug Evans  ([email protected])
                   5089: 
                   5090:        * Makefile.in (install-dir): Fix typo.
                   5091:        (install-common): Remove obsolete comment.
                   5092:        (install-common): Install native g++ only if not cross. 
                   5093: 
                   5094: Thu Oct  7 11:27:45 1993  Richard Stallman  ([email protected])
                   5095: 
                   5096:        * calls.c (emit_library_call, emit_library_call_value):
                   5097:        Allocate a temp slot if arg must be passed by reference.
                   5098: 
                   5099:        * gcc.c (read_specs): Fix call to bzero.
                   5100: 
                   5101: Thu Oct  7 08:53:57 1993  Torbjorn Granlund  ([email protected])
                   5102: 
                   5103:        * alpha.md: Clean up usage of commutative declarator `%'.
                   5104: 
                   5105: Thu Oct  7 08:14:46 1993  Richard Kenner  ([email protected])
                   5106: 
                   5107:        * i860/xm-fx2800.h (HAVE_VPRINTF): Fix typo; was HAVE_VFPRINTF.
                   5108: 
                   5109:        * xm-alpha.h: Always declare malloc, realloc, etc, to be void *.
                   5110: 
                   5111:        * combine.c (force_to_mode): Sign-extend constant being truncated.
                   5112: 
                   5113: Wed Oct  6 18:53:43 1993  Richard Stallman  ([email protected])
                   5114: 
                   5115:        * bi-lexer.c (xmalloc, xrealloc): Cast the result of malloc, realloc.
                   5116: 
                   5117: Wed Oct  6 15:30:39 1993  Michael Meissner  ([email protected])
                   5118: 
                   5119:        * i386/osfrose.h (FUNCTION_PROFILER): Define to pass the function
                   5120:        address, its caller, and the unique label address through the
                   5121:        _real_mcount pointer, unless -mmcount is used, in which case use
                   5122:        the old calling sequence.
                   5123:        (SUBTARGET_SWITCHES): Add -mmcount, -mno-mcount support.
                   5124: 
                   5125: Wed Oct  6 15:29:40 1993  Jeffrey A. Law  ([email protected])
                   5126: 
                   5127:        * pa.c (output_function_prologue): Pass on information about the
                   5128:        number of callee saved general and floating point registers which
                   5129:        are saved by the current function's prologue.
                   5130:        (hppa_expand_prologue): Keep track of the number of callee
                   5131:        register saves done for general and floating point registers.
                   5132: 
                   5133: Wed Oct  6 13:50:03 1993  Ian Lance Taylor  ([email protected])
                   5134: 
                   5135:        * cexp.y (MAX_CHAR_TYPE_SIZE, MAX_INT_TYPE_SIZE,
                   5136:        MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
                   5137:        (yylex): Use them instead of the non-MAX versions, to avoid
                   5138:        dependencies on target_flags.
                   5139: 
                   5140: Wed Oct  6 13:47:13 1993  Jim Wilson  ([email protected])
                   5141: 
                   5142:        * combine.c (try_combine): New variable i3_subst_into_i2.
                   5143:        Set it for special case of substituting i3 into i2.  Use it near
                   5144:        end to detect when special case succeeded.  Move i2notes to
                   5145:        i3notes for this special case.
                   5146:        (distribute_notes, REG_UNUSED case): Ignore all REG_UNUSED notes
                   5147:        except those from I3.
                   5148: 
                   5149: Wed Oct  6 13:14:13 1993  Richard Stallman  ([email protected])
                   5150: 
                   5151:        * c-typeck.c (build_c_cast): When making a CONSTRUCTOR, provide
                   5152:        the dummy first operand.
                   5153: 
                   5154:        * real.c (real_value_truncate): Correct etrunci argument
                   5155:        in case SImode.
                   5156: 
                   5157: Wed Oct  6 06:55:05 1993  Richard Kenner  ([email protected])
                   5158: 
                   5159:        * final.c (asm_fprintf): Add cases for 'w' and 'l'.
                   5160: 
                   5161:        * Makefile.in (bi-opcode.o): Includes hconfig.h.
                   5162:        * bi-lexer.c: Remove declarations of malloc and realloc.
                   5163:        * bi-opcode.c: Include hconfig.h.
                   5164:        * bi-parser.y: Remove declaration of malloc.
                   5165: 
                   5166:        * regclass.c (record_reg_classes): Check if operands are the same
                   5167:        by seeing if they are the same register.
                   5168: 
                   5169:        * cse.c (record_jump_cond): Rehash OP1 if OP0's insert_regs returns
                   5170:        nonzero.
                   5171: 
                   5172:        * calls.c (expand_call): Add yet another assignment to MEM_IN_STRUCT_P.
                   5173: 
                   5174: Wed Oct  6 00:08:28 1993  Jim Wilson  ([email protected])
                   5175: 
                   5176:        * sparc.c (uns_small_int, uns_arith_operand): New functions.
                   5177:        * sparc.md (umulsidi3): Use uns_arith_operand not arith_operand.
                   5178:        (const_umulsidi3): Use uns_small_int not small_int.
                   5179: 
                   5180:        * sparc.h (SELECT_CC_MODE): Add support for ASHIFT.
                   5181:        * sparc.md (ashlsi3+1, ashlsi3+2): New patterns to replace shift
                   5182:        and compare with addcc.
                   5183: 
                   5184: Tue Oct  5 16:25:32 1993  Jim Wilson  ([email protected])
                   5185: 
                   5186:        * sched.c (sched_analyze_2): Make volatile asms depend on all
                   5187:        pseudo registers.
                   5188: 
                   5189:        * mips.c (mips_expand_prologue): Handle structure return values as
                   5190:        the first argument if necessary.
                   5191: 
                   5192:        * mips.h (CLASS_MAX_NREGS): For DFmode and !TARGET_FLOAT64 case,
                   5193:        return 2 not 4.
                   5194:        (CLASS_UNITS): Take size parameter instead of num (words).
                   5195: 
                   5196:        * c-typeck.c (output_init_element): When try to copy FIELD if it
                   5197:        is an interger constant, first check to make sure it is nonzero.
                   5198: 
                   5199:        * reorg.c (fill_simple_delay_slots): When take insn from a
                   5200:        following unconditional branch target, if new_label is zero, must
                   5201:        set it to the result of find_end_label ().
                   5202: 
                   5203:        * iris3.h (INITIALIZE_TRAMPOLINE, TRANSFER_FROM_TRAMPOLINE):
                   5204:        Delete.
                   5205:        * mips.h (INITIALIZE_TRAMPOLINE): Delete #ifndef/#endif.  Change
                   5206:        function name from __enable_execute_stack to __gcc_flush_cache.
                   5207:        (TRANSFER_FROM_TRAMPOLINE): Likewise.  Delete code calling
                   5208:        mprotect.  Uncomment code calling cacheflush.
                   5209: 
                   5210: Tue Oct  5 16:11:53 1993  Jason Merrill  ([email protected])
                   5211: 
                   5212:        * toplev.c (error and its kin): Use #defines for the argument
                   5213:        lists for ease of adding arguments and add one arg.
                   5214: 
                   5215: Tue Oct  5 16:05:11 1993  Tor Egge  ([email protected])
                   5216: 
                   5217:        * cccp.c (rescan): Don't expand an identifier after a '#'.
                   5218: 
                   5219: Tue Oct  5 15:15:52 1993   Chip Salzenberg  ([email protected])
                   5220: 
                   5221:        Move format warning code to c-common.c for use with C++.
                   5222:        * c-tree.h (init_function_format_info, record_function_format,
                   5223:        check_function_format): Declare.
                   5224:        * c-common.c: Include <ctype.h>; avoid home-grown ISDIGIT.
                   5225:        (decl_attributes): Call record_function_format with DECL_NAME
                   5226:        and also DECL_ASSEMBLER_NAME.
                   5227:        (struct format_char_info): Moved here from c-typeck.c.
                   5228:        (print_char_table): Likewise; renamed from print_table.
                   5229:        (scan_char_table): Likewise; renamed from scan_table.
                   5230:        (struct function_format_info): Likewise; add assembler_name.
                   5231:        (function_format_list): Make list, not array.
                   5232:        (init_function_format_info): Likewise; renamed from
                   5233:        init_format_info_table.
                   5234:        (record_function_format): Likewise; renamed from
                   5235:        record_format_info; record assembler_name.
                   5236:        (check_format_info): Likewise; renamed from check_format.
                   5237:        (check_function_format): New interface that does not require
                   5238:        knowledge of struct function_format_info.
                   5239:        * c-decl.c (init_decl_processing): Call init_function_format_info.
                   5240:        * c-typeck.c (struct format_char_info, print_table, scan_table,
                   5241:        struct function_info, function_info_entries, function_info_table,
                   5242:        record_format_info, init_format_info_table, check_format): Moved
                   5243:        to c-common.c.
                   5244:        (build_function_call): Call check_function_format.
                   5245: 
                   5246: Tue Oct  5 14:08:18 1993  Wolfgang Stukenbrock ([email protected])
                   5247: 
                   5248:        * gcc.c (choose_temp_base): Correct size allocated for temp_filename.
                   5249: 
                   5250: Tue Oct  5 06:34:34 1993  Richard Kenner  ([email protected])
                   5251: 
                   5252:        * tree.c (contains_placeholder_p): Return 0 for CONSTRUCTOR.
                   5253:        (substitute_in_expr): Don't allow CONSTRUCTOR.
                   5254: 
                   5255:        * tree.c (make_node, case 'd'): Refine in which obstack
                   5256:        PARM_DECLs are allocated.
                   5257: 
                   5258:        * calls.c (expand_call): Properly test if we need to promote
                   5259:        operand; use convert_modes instead of convert_to_mode.
                   5260:        * expr.c (convert_modes): Properly handle extending constants
                   5261:        since we might be changing signedness.
                   5262: 
                   5263:        * gcc.c (read_specs): Make a null entry at end of `compilers'
                   5264:        when reading new entry from file.
                   5265: 
                   5266:        * tree.c (contains_placeholder): Return 0 for WITH_RECORD_EXPR.
                   5267: 
                   5268:        * bi-arity.c, bi-lexer.c, bi-opname.c, bi-parser.y: Include hconfig.h.
                   5269:        * Makefile.in (bi-arity.o, bi-lexer.o, bi-opname.o, bi-parser.o):
                   5270:        Likewise.
                   5271: 
                   5272:        * bc-emit.c (dconst[012], dconstm1): Remove redundant definition.
                   5273: 
                   5274: Tue Oct  5 06:24:43 1993  Lisa Repka  ([email protected])
                   5275: 
                   5276:        * varasm.c (decode_rtx_const, case CONST_DOUBLE): Only use mode
                   5277:        of X if it is not VOIDmode.
                   5278: 
                   5279: Tue Oct  5 00:45:30 1993  James Van Artsdalen  ([email protected])
                   5280: 
                   5281:        * i386/i386.c (output_to_reg): Handle XFmode write to MEM by
                   5282:        reading back value after write if source doesn't die.
                   5283:        * i386/i386.md (pushxf,movxf,extenddfxf2,extendsfxf2): Likewise.
                   5284: 
                   5285:        * i386/i386.md (movxf,extenddfxf2,extendsfxf2): Don't emit fld
                   5286:        before calling output_to_reg: output_to_reg does that now.
                   5287: 
                   5288:        * i386/i386.h (FIXED_REGISTERS): Don't fix hard reg st7 if XFmode
                   5289:        is enabled.
                   5290: 
                   5291:        * reg-stack.c (move_for_stack_reg): If the 387 regstack is not
                   5292:        full when doing an XFmode write from 387 to MEM, copy the source
                   5293:        reg and write the copy.
                   5294: 
                   5295: Mon Oct  4 18:40:51 1993  Richard Stallman  ([email protected])
                   5296: 
                   5297:        * regclass.c (record_reg_classes): There is no alt_cost
                   5298:        for a pair of matching args if they are the same pseudo reg.
                   5299: 
                   5300:        * varasm.c (bc_output_ascii): New function.
                   5301:        (assemble_string): Use it.
                   5302:        (assemble_static_space, assemble_variable): Put braces around uses
                   5303:        of BC_OUTPUT_COMMON and BC_OUTPUT_LOCAL.
                   5304: 
                   5305: Mon Oct  4 18:03:04 1993  Stephen L Moshier  ([email protected])
                   5306: 
                   5307:        * expr.c (bc_init_mode_to_opcode_maps, bc_expand_expr): Cast enum
                   5308:        array indices to int.
                   5309:        (bc_load_memory, bc_store_memory): Likewise.
                   5310:        (bc_runtime_type_code): Cast enum logical operand to int.
                   5311:        * bc-emit.c (bc_emit_bytecode): Cast enum array indices to int.
                   5312:        * bc-optab.c (deduce_conversion, emit_typecode_conversion): Likewise.
                   5313:        (bc_init_mode_to_code_map, preferred_typecode): Likewise.
                   5314:        (bc_expand_binary_operation, bc_expand_unary_operation): Likewise.
                   5315:        (bc_expand_increment): Likewise.
                   5316:        * bc-typecd.h: Cast enum arithmetic and logical operands to int.
                   5317: 
                   5318: Mon Oct  4 05:52:21 1993  Richard Kenner  ([email protected])
                   5319: 
                   5320:        * a29k.c (incoming_regs): Only use 16 registers for parameter
                   5321:        passing.
                   5322: 
                   5323:        * tree.c (build_string): Remove previous change and comment why
                   5324:        string text has to be in saveable_obstack.
                   5325:        * varasm.c (output_constant_def): Remove last change; no longer needed.
                   5326: 
                   5327: Sun Oct  3 18:51:19 1993  James Van Artsdalen  ([email protected])
                   5328: 
                   5329:        * i386/i386.c (output_op_from_reg):  Handle 3-word XFmode values.
                   5330:        (output_to_reg): Likewise.
                   5331:        (output_move_double): Handle XFmode operands.
                   5332:        (output_move_const_single): Use REAL_VALUE_TO_TARGET_SINGLE.
                   5333:        (print_operand): Add letter `T', size `12'.  Use REAL_VALUE
                   5334:        macros to convert floating point operands.
                   5335:        (convert_387_op):  Add XFmode to case FLOAT_EXTEND.
                   5336: 
                   5337:        * i386/i386.h (LONG_DOUBLE_TYPE_SIZE): Define as 96.
                   5338:        (FIXED_REGISTERS): If XFmode enabled, hard reg st7 is fixed.
                   5339:        (ASM_OUTPUT_DOUBLE): Use REAL_VALUE_... macros.
                   5340:        (ASM_OUTPUT_FLOAT): Likewise.
                   5341:        (ASM_OUTPUT_LONG_DOUBLE): New macro.
                   5342:        (PRINT_REG):  Add size case 12.
                   5343:        (DEBUG_PRINT_REG):  Likewise.
                   5344: 
                   5345:        * i386/i386.md: (tstxf_cc, tstxf, cmpxf, cmpxf_cc, cmpxf_ccfpeq,
                   5346:        swapxf, movxf, extenddfxf2, extendsfxf2, truncxfsf2, truncxfdf2,
                   5347:        fixuns_truncxfsi2, fix_truncxfdi2, fix_truncxfsi2, floatsixf2,
                   5348:        floatdixf2, addxf3, subxf3, mulxf3, divxf3, negxf2, absxf2,
                   5349:        sqrtxf2): New patterns.
                   5350: 
                   5351:        * i386/next.h,i386/osfrose.h,i386/sysv4.h
                   5352:        (ASM_OUTPUT_DOUBLE,ASM_OUTPUT_FLOAT): Use REAL_VALUE_ macros.
                   5353:        (ASM_OUTPUT_LONG_DOUBLE): New macro.
                   5354: 
                   5355:        * i386/bsd.h,i386/sco4.h (ASM_OUTPUT_DOUBLE): Deleted,
                   5356:        use default version.
                   5357: 
                   5358:        * i386/next.h,i386/sco.h (VALUE_REGNO): Add case XFmode.
                   5359: 
                   5360: Sun Oct  3 16:35:05 1993  Michael Meissner  ([email protected])
                   5361: 
                   5362:        * collect2.c (read_file): Fix typo in prototype.
                   5363: 
                   5364: Sun Oct  3 18:32:46 1993  Richard Stallman  ([email protected])
                   5365: 
                   5366:        * Makefile.in (bytecode.realclean): Don't delete bi-lexer.c.
                   5367: 
                   5368: Sun Oct  3 19:45:02 1993  Richard Kenner  ([email protected])
                   5369: 
                   5370:        * gcc.c (default_compilers): Add rules for Ada.
                   5371:        * toplev.c (lang_options): Add temporary parameter "gnat".
                   5372: 
                   5373:        * tree.c (staticp): DECL_EXTERNAL is not defined for CONSTRUCTOR.
                   5374: 
                   5375:        * tree.def (PLACEHOLDER_EXPR, WITH_RECORD_EXPR): New tree codes.
                   5376:        * tree.c (save_expr): Don't evaluate something containing a 
                   5377:        PLACEHOLDER_EXPR.
                   5378:        (contains_placeholder_p, substitute_in_{expr,type}): New functions.
                   5379:        * tree.h: Add declarations for new functions.
                   5380:        * calls.c (expand_call): Pass objects who size depends on the
                   5381:        contents of the object by invisible reference.
                   5382:        * function.c (assign_parms): Likewise.
                   5383:        * explow.c (expr_size): If the size contains a PLACEHOLDER_EXPR,
                   5384:        surround it with a WITH_RECORD_EXPR.
                   5385:        * expr.c (store_expr): Use expr_size value, not size_int.
                   5386:        (store_constructor): Handle case of variable position and allow
                   5387:        it to contain a PLACEHOLDER_EXPR.
                   5388:        (get_inner_reference): Make a WITH_RECORD_EXPR if required.
                   5389:        (expand_expr, case PLACEHOLDER_EXPR, WITH_RECORD_EXPR): New cases.
                   5390:        (expand_expr, case ARRAY_REF): Make WITH_RECORD_EXPR expressions
                   5391:        when needed.
                   5392: 
                   5393:        * calls.c (expand_call): Set MEM_IN_STRUCT_P in stack slot if
                   5394:        appropriate.
                   5395: 
                   5396:        * varasm.c (output_constant_def): Copy string as well as string
                   5397:        node when deferring output of constants.
                   5398: 
                   5399:        * configure (i370-*): Renamed tm-mvs.h to mvs.h.
                   5400:        * config/i370/mvs.h: Renamed from tm-mvs.h.
                   5401: 
                   5402: Sun Oct  3 12:50:57 1993  Richard Earnshaw ([email protected])
                   5403: 
                   5404:        * arm.h (function definitions): Add new functions definitions.
                   5405:        (arm_condition_codes): make this externally visible.
                   5406:        (STARTFILE_SPEC): Move to riscix.h and riscix1-1.h.
                   5407:        (CPP_PREDEFINES): Move old defn to riscix.h and riscix1-1.h, add
                   5408:        generaic default definition.
                   5409:        (CPP_SPEC): Define for generic implementation, pass cpu variant 
                   5410:        defn to pre-processor.
                   5411:        (TARGET_VERSION): Indicate this is generic variant.
                   5412:        (TARGET_6): New macro, set when compiling for arm6 in 32bit mode.
                   5413:        (ARM_EXTRA_TARGET_SWITCHES): New macro, hook for os dependent files
                   5414:        to make additions to TARGET_SWITCHES. Default to null.
                   5415:        (processor_type): new enum type defining processor variant for
                   5416:        attributes.
                   5417:        (arm_cpu_attr): Macro to get at cpu type from attributes.
                   5418:        (TARGET_WHEN_DEBUGGING): remove non-generic definitions
                   5419:        (OVERRIDE_OPTIONS): Set processor type for attributes.
                   5420:        (OPTIMIZE_OPTIONS): Set flag_force_mem.
                   5421:        (PROMOTE_MODE): Promote byte constants unsigned.
                   5422:        (ENABLE_XF_PATTERNS): Define, do not enable XFmode insns by default
                   5423:        -- it tends to crash riscix.
                   5424:        (REAL_ARITHMETIC): Define.
                   5425:        (CONSTANT_ALIGNMENT): Align string constants so that we can access
                   5426:        them faster.
                   5427:        (TARGET_FLOAT_FORMAT): Is IEEE_FLOAT_FORMAT.
                   5428:        (FIRST_PSEUDO_REGISTER): Increase to support fake registers.
                   5429:        (FIXED_REGISTERS): Describe behaviours of fake regs.
                   5430:        (CALL_USED_REGISTERS): Likewise.
                   5431:        (HARD_REGNO_NREGS): Deal with fake frame and argument registers.
                   5432:        (HARD_REGNO_MODE_OK): Likewise.
                   5433:        (FRAME_POINTER_REGNUM): Make this a fake register)
                   5434:        (HARD_FRAME_POINTER_REGNUM): Define. set to reg 11 (fp).
                   5435:        (FRAME_POINTER_REQUIRED): It is if TARGET_APCS.
                   5436:        (ARG_POINTER_REGNUM): Set to new fake register.
                   5437:        (CC_REGNUM): Define, set to fake register.
                   5438:        (REG_ALLOC_ORDER): Adjust to get better allocation in small functions.
                   5439:        Add fake registers.
                   5440:        (REG_CLASS_CONTENTS): Add new fakes.
                   5441:        (REGNO_REG_CLASS): Likewise.
                   5442:        (CONST_OK_FOR_LETTER_P): Add recognition for negated and inverted 
                   5443:        constant integers.
                   5444:        (EXTRA_CONSTRAINT): Add 'Q' to recognize MEM (REG). Add 'S' for
                   5445:        symbols in the text segment.
                   5446:        (CONST_DOUBLE_OK_FOR_LETTER_P): Add 'H' for negated fp constants.
                   5447:        (SECONDARY_OUTPUT_RELOAD_CLASS): Define. Needed to store DFmode held
                   5448:        in SImode regs.
                   5449:        (REGISTER_MOVE_COST): Make this more expensive than memory for
                   5450:        float<->int moves.
                   5451:        (USE_RETURN_INSN): Define, call function.
                   5452:        (ELIMINABLE_REGS): Define to eliminate fake regs.
                   5453:        (CAN_ELIMINATE): Likewise.
                   5454:        (INITIAL_ELIMINATION_OFFSET): Likewise.
                   5455:        (INITIAL_FRAME_POINTER_OFFSET): Delete.
                   5456:        (REGNO_OK_FOR_BASE_P): Add fake regs.
                   5457:        (MAX_REGS_PER_ADDRESS): Is only 2; shifting by reg not allowed in addr.
                   5458:        (CONSTANT_ADDRESS_P): Accept addresses with the symbol_ref flag set.
                   5459:        (LEGITIMATE_CONSTANT): Accept negated floats; also constant addresses.
                   5460:        (ENCODE_SECTION_INFO): Mark strings that will go in the text segment
                   5461:        with the symbol_ref flag.
                   5462:        (REG_OK_FOR_BASE_P [!REG_OK_STRICT]): Add new fakes.
                   5463:        (REG_OK_FOR_PRE_POST_P [!REG_OK_STRICT]): Likewise.
                   5464:        (REG_OK_FOR_PRE_POST_P [REG_OK_STRICT]): Likewise.
                   5465:        (GO_IF_LEGITIMATE_INDEX): constant FLOAT indicees must be word
                   5466:        aligned; be more restrictive about multi-reg ints; allow all legal
                   5467:        shift operations; check boundary conditions more carefully.
                   5468:        (DEFAULT_SIGNED_CHAR): Remove os dependent alternatives.
                   5469:        (LOADS_ZERO_EXTEND): Define; only QImode loads do.
                   5470:        (HAVE_VPRINTF): Move to xm-arm.h
                   5471:        (SHIFT_COUNT_TRUNCATED): Not true -- Delete.
                   5472:        (CONST_COSTS): Define; give the cost of constants.
                   5473:        (RTX_COSTS): Define; give the cost of rtl.
                   5474:        (MEMORY_MOVE_COST): Is expensive.
                   5475:        (BRANCH_COST): Set high to get conditional instructions.
                   5476:        (ADDRESS_COST): Are all the same.
                   5477:        (NOTICE_UPDATE_CC): Delete.
                   5478:        (EXTRA_CC_MODES): Add a no overflow mode and floating point modes.
                   5479:        (EXTRA_CC_NAMES): Likewise.
                   5480:        (SELECT_CC_MODE): Return the appropriate mode.
                   5481:        (STORE_FLAG_VALUE): Define.
                   5482:        (PREDICATE_CODES): Define, show what they are.
                   5483:        (ARM_OS_NAME): Supply generic version.
                   5484:        (ASM_FILE_START): Print appropriate OS name.
                   5485:        (REGISTER_NAMES): Add fakes.
                   5486:        (DBX_OUTPUT_MAIN_SOURCE_FILENAME): set desc field to compiler version
                   5487:        number expected by dbx (RISCIX hack).
                   5488:        (ASM_OUTPUT_INTERNAL_LABEL): Don't reset arm_ccfsm_state if label isn't
                   5489:        a code ('L') label.
                   5490:        (ASM_OUTPUT_LONG_DOUBLE): Define for XFmode.
                   5491:        (ASM_OUTPUT_DOUBLE): Use REAL_ARITMETIC routines.
                   5492:        (ASM_OUTPUT_FLOAT): Likewise.
                   5493:        (ASM_OUTPUT_OPCODE): Change of arm_ccfsm_state is now handled by insns
                   5494:        that need to change it.
                   5495:        (PRINT_OPERAND): %d is replaced by appropriate condition characters,
                   5496:        %D by the inverse of those given. CONST_DOUBLEs use REAL_ARITHMETIC
                   5497:        functions.
                   5498:        (PRINT_OPERAND_ADDRESS): Support all the shift types.
                   5499:        (INIT_CUMULATIVE_ARGS): Add missing bracket.
                   5500: 
                   5501:        * riscix.h: New file -- OS dependent defintitions for riscix 1.2 and
                   5502:        above.
                   5503: 
                   5504:        * riscix1-1.h: New file -- OS dependent definitions for riscix before
                   5505:        version 1.2
                   5506: 
                   5507:        * rix-gas.h: New file -- riscix 1.2 and above, but with an assembler
                   5508:        which supports stabs.
                   5509: 
                   5510:        * arm.c (arm_compare_op0, arm_compare_op1, arm_compare_fp): New
                   5511:        variables.
                   5512:        (arm_cpu): New variable.
                   5513:        (lr_save_eliminated): New variable.
                   5514:        (arm_condition_codes): delete definition.
                   5515:        (return_used_this_function): New variable.
                   5516:        (use_return_insn): New function.
                   5517:        (const_ok_for_arm): Use HOST_WIDE_INT; rewrite to work if
                   5518:        HOST_WIDE_INT > 32 bits.
                   5519:        (fpa_consts_inited, strings_fpa): New variables.
                   5520:        (init_fpa_table): New function, initialize above.
                   5521:        (const_double_rtx_ok_for_fpu): Rewrite using fpa_consts_inited and
                   5522:        REAL_ARITHMETIC functions.
                   5523:        (neg_const_double_rtx_ok_for_fpu): New function.
                   5524:        (s_register_operand): New function, as register_operand, but don't
                   5525:        accept SUBREG (MEM).
                   5526:        (reload_memory_operand): New function.
                   5527:        (arm_rhs_operand): Use s_register_operand.
                   5528:        (arm_rhsm_operand): New function.
                   5529:        (arm_add_operand): New function.
                   5530:        (arm_not_operand): New function.
                   5531:        (fpu_rhs_operand): Use s_register_operand.
                   5532:        (fpu_add_operand): New function.
                   5533:        (di_operand): Use s_register_operand.
                   5534:        (di_operand, case MEM): address must be offsettable.
                   5535:        (index_operand): Use s_register_operand.
                   5536:        (const_shift_operand): New function.
                   5537:        (shift_operator): Also accept MULT by power of two.
                   5538:        (equality_operator): New function.
                   5539:        (minmax_operator): New function.
                   5540:        (cc_register): New function.
                   5541:        (minmax_code): New function.
                   5542:        (adjacent_mem_locations): New function.
                   5543:        (load_multiple_operation): New function.
                   5544:        (store_multiple_operation): New function.
                   5545:        (arm_gen_load_multiple): New function.
                   5546:        (arm_gen_store_multiple): New function.
                   5547:        (gen_compare_reg): New function.
                   5548:        (arm_backwards_branch): New function.
                   5549:        (short_branch): New function.
                   5550:        (arm_insn_not_targeted): New function.
                   5551:        (fp_immediate_constant): New function.
                   5552:        (eliminate_lr2ip): New function.
                   5553:        (output_call_mem): New function.
                   5554:        (output_mov_long_double_fpu_from_arm): New function.
                   5555:        (output_mov_long_double_arm_from_fpu): New function.
                   5556:        (output_mov_long_double_arm_from_arm): New function.
                   5557:        (output_move_double): output constants using output_move_immediate;
                   5558:        sign_extend CONST_INTs; handle PRE/POST INCs.
                   5559:        (shift_instr): Handle MULT.
                   5560:        (output_shift_compare): New function.
                   5561:        (pattern_really_clobbers_lr): New function.
                   5562:        (function_really_clobbers_lr): New function.
                   5563:        (output_return_instruction): New function.
                   5564:        (output_prologue): Determine whether tail calling is possible,
                   5565:        compensate for this when saving registers. Re-initialize
                   5566:        return_used_this_function; use HARD_FRAME_POINTER_REGNUM, when
                   5567:        saving floating point regs.
                   5568:        (output_epilogue): Epilogue isn't needed if return_used_this_function;
                   5569:        use HARD_FRAME_POINTER_REGNUM when restoring floating point regs
                   5570:        and there is a stack frame; Arm 6 requires different return
                   5571:        instruction.
                   5572:        (output_load_symbol): New function.
                   5573:        (final_prescan_insn): Add support for RETURN patterns; can also
                   5574:        conditionalize and target a RETURN; use attributes to determine
                   5575:        whether condition codes are set or clobbered; add new case CALL_INSN
                   5576:        to switch, fail if Arm 6; support a jump inside a parallel; call
                   5577:        recog () before returning to recover from using attributes on other 
                   5578:        insns.
                   5579:        
                   5580:        * arm.md (type): New attribute for scheduling.
                   5581:        (cpu): New attribute for cpu type for use in conds attribute.
                   5582:        (conds): New attribute to describe actions on condition codes, set in
                   5583:        insns.
                   5584:        (length): New attribute, set in insns.
                   5585:        (write_conflict): New attribute describing conflicts with the write
                   5586:        buffer.
                   5587:        (fpa): New function unit for floating point co-processor.
                   5588:        (write_buf): New function unit for Arm 6 write buffer.
                   5589:        Most patterns: use s_register_operand instead of register_operand.
                   5590:        Most patterns: Don't use general operand and then expect reload to
                   5591:        do the work.
                   5592:        (adddi3): op0 can be the same as ops1 or 2; clobbers condition codes.
                   5593:        New unnamed patterns to add an SImode operand to a DImode op.
                   5594:        (addsi3): accept constants that can be catered for using sub.
                   5595:        New unnamed patterns that set conditions on add.
                   5596:        (incscc): new pattern, conditional increment.
                   5597:        New split to add some numbers in two insns.
                   5598:        (addsf3): Use REAL_ARITHMETIC; support -ve immediates.
                   5599:        (adddf3): Likewise.
                   5600:        (FLOAT_EXTEND and ADD): New unnamed patterns.
                   5601:        (addxf3): New pattern.
                   5602:        (subdi3): Allow input and output operands to overlap exactly.
                   5603:        (SUB DImode and SImode): New unnamed patterns.
                   5604:        (subsi3): Don't accept a constant as last operand, it will never be
                   5605:        matched.
                   5606:        (SUB and set CC) New unnamed patterns.
                   5607:        (decscc): new pattern, conditional decrment.
                   5608:        (subdf3): Fix bad case alternative.
                   5609:        (FLOAT_EXTEND and SUB): New unnamed patterns.
                   5610:        (subxf3): New pattern.
                   5611:        (mulsi3): Allow op2 to be the same as op0
                   5612:        (MULT and set CC): New unnamed patterns.
                   5613:        (MULT and ADD): Ops 2 and 3 can match op 0.
                   5614:        (MULT, ADD and set CC): New unnamed patterns.
                   5615:        (mulsf3): use fmls for faster multiply.
                   5616:        (FLOAT_EXTEND and MULT): New unnamed patterns.
                   5617:        (mulxf3): New pattern.
                   5618:        (divsf3): use dvfs and rdfs for faster divide.
                   5619:        (FLOAT_EXTEND and DIV): New unnamed patterns.
                   5620:        (divxf3): New pattern.
                   5621:        (FLOAT_EXTEND and MOD): New unnamed patterns.
                   5622:        (modxf3): New pattern.
                   5623:        (anddi3): op 0 can be the same as ops1 or 2.
                   5624:        (*_EXTEND and AND): New unnamed patterns
                   5625:        (andsi3): Also accept constants that can be handled with bic
                   5626:        instruction.
                   5627:        (AND and set CC): New unnamed patterns.
                   5628:        (andcbsi3): Delete, this can't be generated any more.
                   5629:        (NOT then AND): New unnamed patterns.
                   5630:        (NOT then AND and set CC): Likewise.
                   5631:        (iordi3): Ops 1 and 2 can match op 0.
                   5632:        (*_EXTEND and IOR): New unnamed patterns.
                   5633:        (iorsi3): Only accept a valid rhs operand for op 2.
                   5634:        (IOR and set CC): New unnamed patterns.
                   5635:        (xordi3): New pattern.
                   5636:        (*_EXTEND and XOR): New unnamed patterns.
                   5637:        (xorsi3): Only accept a valid rhs operand for op 2.
                   5638:        (XOR and set CC): New unnamed patterns.
                   5639:        (split pattern): Complex pattern with NOT, AND, and IOR, can
                   5640:        sometimes produce better code if reordered.
                   5641:        (AND (IOR () NOT ())): Special pattern to recognize spilt above.
                   5642:        ([su]{min,max}si3): New patterns.
                   5643:        (set memory from MIN/MAX operation): New pattern.
                   5644:        (Arithmetic on MIN/MAX operation): New pattern.
                   5645:        (ashlsi3, ashrsi3, lshrsi3, rotrsi3): Only accept a valid rsh for op2.
                   5646:        (unnamed LSHIFT pattern): likewise.
                   5647:        (SHIFT and set CC): New unnamed patterns.
                   5648:        (SHIFT and NOT): New unnamed pattern.
                   5649:        (SHIFT, NOT and set CC): New unnamed patterns.
                   5650:        (negdi2): operand1 can be the same as op 0.
                   5651:        (FLOAT_EXTEND and NEG): New unsigned pattern.
                   5652:        (negxf2): New pattern.
                   5653:        (abssi2): New pattern.
                   5654:        (ABS and NEG): New unnamed pattern.
                   5655:        (FLOAT_EXTEND and ABS): New unnamed pattern.
                   5656:        (absxf2): New pattern.
                   5657:        (FLOAT_EXTEND and SQRT): New unnamed pattern.
                   5658:        (sqrtxf2): New pattern.
                   5659:        ({sin,cos}{sf,df,xf}2): New patterns.
                   5660:        (FLOAT_EXTEND and SIN/COS): New unnamed patterns.
                   5661:        (one_cmpldi2): New pattern.
                   5662:        (NOT and set CC): New unnamed patterns.
                   5663:        (floatsixf2, fix_truncsfsi2, fix_truncdfsi2, fix_truncxfsi2): New
                   5664:        patterns.
                   5665:        (truncxfsf2, truncxfdf2): New patterns.
                   5666:        (zero_extendsidi2, zero_extendqidi2, extendsidi2): New patterns.
                   5667:        (ZERO_EXTEND and set CC): New patterns.
                   5668:        (extend{sf,df}xf2): New patterns.
                   5669:        (movdi): Constrains must accept PRE/POST INC/DEC.
                   5670:        (movsi): make an expand that splits up integers and unsupported
                   5671:        moves.
                   5672:        (unnamed pattern to match movsi): New, don't allow things to
                   5673:        be moved back together again.
                   5674:        (REG-REG copy and set CC): New unnamed pattern.
                   5675:        (restorehi): use plus_constant in expansion code, not PLUS in RTL part.
                   5676:        (storehi, storeinthi): likewise.
                   5677:        (movhi): Break up impossible moves.
                   5678:        (pattern to match movhi): Don't allow impossible moves to be put
                   5679:        back together.
                   5680:        (movqi): Break up impossible moves.
                   5681:        (pattern to match movqi): Don't allow impossible moves to be put
                   5682:        back together; convert negative constants into mvn instruction.
                   5683:        (movsf): Use REAL_ARITHMETIC for constants; add alternatives for
                   5684:        moving GENERAL_REGS to and from memory.
                   5685:        (movdf): Make this an expand; split out impossible moves.
                   5686:        (reload_outdf): New pattern.
                   5687:        (pattern to match movdf): Don't allow impossible moves to be put back
                   5688:        together; add alternatives for moving GENERAL_REGS to and from memory;
                   5689:        rearrange and weight to get optimal register allocation.
                   5690:        (movxf): New pattern.
                   5691:        (load_multiple): New expand pattern.
                   5692:        (pattern to load multiple, pattern to load multiple with write-back):
                   5693:        New unnamed patterns.
                   5694:        (store_multiple): New expand pattern.
                   5695:        (pattern to store multiple, pattern to store multiple with write-back):
                   5696:        New unnamed patterns.
                   5697:        (movstrsi): Expand short moves as a series of load/store multiples with
                   5698:        write-back.
                   5699:        (cmp*): Make these expands; just set some state variables.
                   5700:        (CC = COMPARE op, op): New unnamed patterns.
                   5701:        (CC = COMPARE op, NEG op): New unnamed pattern.
                   5702:        (CC = COMPARE op, SHIFT op): New unnamed pattern.
                   5703:        (FLOAT_EXTEND then COMPARE): New unnamed patterns.
                   5704:        (CC = CC): New unnamed (dummy) pattern to allow cse to combine repeated
                   5705:        compares.
                   5706:        (b{eq,ne,le,lt,ge,gt,geu,gtu,leu,ltu}): Make these expand patterns,
                   5707:        use gen_compare_reg().
                   5708:        (pattern to match branches, pattern to match inverted brances): New
                   5709:        unnamed patterns.
                   5710:        (s{eq,ne,le,lt,ge,gt,geu,gtu,leu,ltu}): New expands.
                   5711:        (pattern to match store_flag operations): New unnamed pattern.
                   5712:        (pattern to match NOT store_flag, pattern to match NEG store_flag):
                   5713:        New unnamed patterns.
                   5714:        (jump): handle arm_ccfsm_state explicitly.
                   5715:        (CALL (MEM)): New unnamed patterns.
                   5716:        (return): New pattern.
                   5717:        (conditional RETURN): New unnamed patterns;
                   5718:        (table_jump (MEM)): New unnamed pattern.
                   5719:        (indirect_jump (MEM)): New unnamed pattern.
                   5720:        Replace shift-arithmetic patterns with new versions that catche all
                   5721:        cases.
                   5722:        (Old peephole patterns (commented out)): remove.
                   5723:        (shift-arithmetic and set CC): New unnamed patterns.
                   5724:        (reload patterns for all shift-arithmetic patterns): New patterns.
                   5725:        Add many new patterns to merge store_flag patterns, arithmetic and
                   5726:        shifting.
                   5727:        New patterns to match conditional comparisons.
                   5728:        (movcond): New pattern.
                   5729:        (arith (MEM, MEM+4)): New unnamed pattern to spot load multiple 
                   5730:        possibility.
                   5731:        (patterns to match extended pre-increment): New unnamed patterns.
                   5732:        (peepholes to match extended post-increment): New.
                   5733:        (peephole to match move and set conds): Needed because combine misses
                   5734:        this one.
                   5735:        (peepholes to match load/store multiples): New.
                   5736:        (CALL, RETURN): New peephole.
                   5737:        (CALL, JUMP): New peephole.
                   5738:        (save_stack_nonlocal, restore_stack_nonlocal): New expands for
                   5739:        non-local gotos.
                   5740:        special split to break up some conditional arithmetic sequences 
                   5741:        before scheduling.
                   5742: 
                   5743:        *configure (arm-*-riscix1.[01]*, arm-*-riscix*): New configurations.
                   5744:        *config.sub: Recognize operating system "riscix*"; recognize acorn as
                   5745:        vendor.
                   5746: 
                   5747: Sat Oct  2 17:24:44 1993  James Van Artsdalen  ([email protected])
                   5748: 
                   5749:        * i386.md (addhi3): Use byte opcodes when the low byte of a word
                   5750:        is known to be zero.
                   5751: 
                   5752: Sat Oct  2 14:11:06 1993  John F Carr  ([email protected])
                   5753: 
                   5754:        * combine.c (can_combine_p):  Allow an insn with a REG_EQUIV note
                   5755:        that reads memory to be moved past an insn that writes memory.
                   5756: 
                   5757: Sat Oct  2 14:04:03 1993  Richard Kenner  ([email protected])
                   5758: 
                   5759:        * regclass.c (record_reg_classes): Skip to next alternative
                   5760:        when we skip normal cost computation.
                   5761: 
                   5762:        * collect2.c: Add prototypes to static declarations.
                   5763:        (PROTO): New macro.
                   5764:        (dup2, putenv): Functions return integers; add type and returns.
                   5765: 
                   5766:        * varasm.c (make_decl_rtl): Set TREE_SIDE_EFFECTS on global if
                   5767:        -fvolatile-global.
                   5768: 
                   5769:        * tree.c (build_string): Make lifetime of string the same as 
                   5770:        tree node.
                   5771: 
                   5772: Sat Oct  2 04:55:44 1993  Doug Evans  ([email protected])
                   5773: 
                   5774:        * a29k/a29k.h, a29k/unix.h, alpha/alpha.h, arm/arm.h, clipper/clix.h,
                   5775:        convex/convex.h, elxsi/elxsi.h, fx80/fx80.h, gmicro/gmicro.h,
                   5776:        h8300/h8300.h, i370/tm-mvs.h, i386/386bsd.h, i386/aix386ng.h,
                   5777:        i386/gas.h, i386/go32.h, i386/linux.h, i386/lynx.h, i386/mach.h,
                   5778:        i386/next.h, i386/osfelf.h, i386/osfrose.h, i386/sco.h, i386/sco4.h,
                   5779:        i386/sco4dbx.h, i386/scodbx.h, i386/sequent.h, i386/sun.h,
                   5780:        i386/sysv3.h, i386/sysv4.h, i860/fx2800.h, i860/i860.h, i860/mach.h,
                   5781:        i860/sysv3.h, i860/sysv4.h, i960/i960.h, m68k/3b1.h, m68k/3b1g.h,
                   5782:        m68k/altos3068.h, m68k/apollo68.h, m68k/crds.h, m68k/ctix.h,
                   5783:        m68k/dpx2.h, m68k/hp2bsd.h, m68k/hp320.h, m68k/hp3bsd.h,
                   5784:        m68k/hp3bsd44.h, m68k/isi.h, m68k/lynx.h, m68k/m68kv4.h,
                   5785:        m68k/mot3300.h, m68k/news.h, m68k/next.h, m68k/pbb.h, m68k/plexus.h,
                   5786:        m68k/sun2.h, m68k/sun3.h, m68k/sun3mach.h, m68k/tower-as.h,
                   5787:        m68k/tower.h, m88k/dgux.h, m88k/luna.h, m88k/m88k.h, m88k/sysv3.h,
                   5788:        m88k/sysv4.h, mips/bsd-4.h, mips/bsd-5.h, mips/dec-osf1.h,
                   5789:        mips/iris3.h, mips/mips.h, mips/news4.h, mips/news5.h,
                   5790:        mips/nws3250v4.h, mips/osfrose.h, mips/svr3-4.h, mips/svr3-5.h,
                   5791:        mips/svr4-4.h, mips/svr4-5.h, mips/ultrix.h, ns32k/encore.h,
                   5792:        ns32k/merlin.h, ns32k/ns32k.h, ns32k/pc532-mach.h, ns32k/pc532.h,
                   5793:        ns32k/sequent.h, ns32k/tek6000.h, ns32k/tek6100.h, ns32k/tek6200.h,
                   5794:        pa/pa-ghpux.h, pa/pa-gux7.h, pa/pa-hpux.h, pa/pa-hpux7.h,
                   5795:        pa/pa-utahmach.h, pa/pa.h, pa/pa1-utahmach.h, pyr/pyr.h, romp/romp.h,
                   5796:        rs6000/aix31.h, rs6000/mach.h, rs6000/rs6000.h, sh/sh.h, sparc/lite.h,
                   5797:        sparc/lynx.h, sparc/pbd.h, sparc/sol2.h, sparc/sparc.h, sparc/sysv4.h,
                   5798:        spur/spur.h, tahoe/harris.h, tahoe/tahoe.h, vax/ultrix.h, vax/vax.h,
                   5799:        vax/vaxv.h, vax/vms.h, we32k/we32k.h
                   5800:        (CPP_PREDEFINES): Add system/cpu/machine assertions where missing.
                   5801: 
                   5802: Fri Oct  1 22:11:17 1993  Richard Stallman  ([email protected])
                   5803: 
                   5804:        * gvarargs.h: Test __sequent__ like __BSD_NET2__.
                   5805: 
                   5806: Fri Oct  1 17:19:54 1993  Torbjorn Granlund  ([email protected])
                   5807: 
                   5808:        * cse.c (insert_regs): Always return something.
                   5809:        (simplify_unary_operation): Remove unused variable.
                   5810:        (cse_process_notes): Likewise.
                   5811:        (invalidate_skipped_block): Likewise.
                   5812:        (cse_set_around_loop): Likewise.
                   5813: 
                   5814:        * pa-ghpux.h (LINK_SPEC): Pass "-a -archive" when
                   5815:        debugging.
                   5816:        * pa-hpux.h (LINK_SPEC): Likewise.
                   5817:        * pa-ghpux.h (LIB_SPEC): Make sure to add space between flags.
                   5818:        * pa-gux7.h (LIB_SPEC): Likewise.
                   5819:        * pa-hpux.h (LIB_SPEC): Likewise.
                   5820:        * pa-hpux7.h (LIB_SPEC): Likewise.
                   5821: 
                   5822: Fri Oct 1  22:17:12 1993  Eric Youngdale  (eric@kafka)
                   5823: 
                   5824:        * vmsconfig.com: Write out the definitions from Makefile.in for
                   5825:        the symbols BC_ALL and BI_OBJ into files BC_ALL.OPT and
                   5826:        BI_ALL.opt.  Remove "bytecode " from compiler options files so
                   5827:        compiler will link correctly.
                   5828: 
                   5829:        * make-cc1.com (bc_generate): New VMS DCL function.  Takes a BC
                   5830:        header file that needs to be generated, and builds it.
                   5831: 
                   5832:        * make-cc1.com:  Compile entries listed in BI_ALL.OPT, and then call
                   5833:        bc_generate for every header file listed in BC_ALL.OPT
                   5834: 
                   5835: Fri Oct 1  21:13:17 1993  H.J. Lu  ([email protected])
                   5836: 
                   5837:        * config/i386/linux.h (LIB_SPEC): Handle -p anmd -pg outermost.
                   5838: 
                   5839: Fri Oct  1 18:23:57 1993  Jim Wilson  ([email protected])
                   5840: 
                   5841:        * reload1.c (gen_input_reload): Handle PLUS with MEM operand
                   5842:        exactly the same as a PLUS with a REG operand.
                   5843:        * reload.c (form_sum): Undo Sep 28 change.
                   5844: 
                   5845:        * Makefile.in (cc1, cc1plus, cc1obj): Delete superfluous
                   5846:        dependencies on bytecode.
                   5847:        (stamp-bcarity, stamp-bcopcode, stamp-bcopname): Create stamp files.
                   5848: 
                   5849: Fri Oct  1 18:17:56 1993  Doug Evans  ([email protected])
                   5850: 
                   5851:        * configure (cpp_md_flags): New variable.
                   5852:        (links): Build link from md.pre-cpp if cpp_md_flags defined.
                   5853:        (CPP_MD, CPP_MD_FLAGS, MD_FILE): New macros for Makefile.
                   5854:        * Makefile.in (md): New dependency.
                   5855:        (MD_FILE): New macro.
                   5856:        (clean): Remove file md if md.pre-cpp exists.
                   5857:        (distclean): Remove md.pre-cpp.
                   5858: 
                   5859: Fri Oct  1 15:44:48 1993  Michael Meissner  ([email protected])
                   5860: 
                   5861:        * halfpic.h (toplevel): Enclose the whole file inside a #ifndef
                   5862:        NO_HALF_PIC conditional.
                   5863: 
                   5864:        * i386/x-osfrose (CCLIBFLAGS, GCC_CFLAGS): Define NO_HALF_PIC so
                   5865:        that the two common variables in halfpic.h don't get created.
                   5866: 
                   5867:        * mips/x-osfrose (CCLIBFLAGS, GCC_CFLAGS): Ditto.
                   5868: 
                   5869: Fri Oct  1 10:46:15 1993  Richard Kenner  ([email protected])
                   5870: 
                   5871:        * a29k.h (R_KR): New macro.
                   5872:        (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS):
                   5873:        Adjust for more registers present.
                   5874:        (REG_ALLOC_ORDER, REG_CLASS_CONTENTS, REGISTER_NAMES): Likewise.
                   5875:        (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, REGNO_REG_CLASS): Likewise.
                   5876:        (CONDITIONAL_REGISTER_USAGE): Swap names rather than replacing them.
                   5877:        * a29k.c (gpc_reg_operand): Include kernel registers.
                   5878: 
                   5879:        * a29k.h (TARGET_LARGE_MEMORY): New flag; change value for
                   5880:        all others.
                   5881:        (ENCODE_SECTION_INFO): New macro.
                   5882:        (TARGET_SWITCHES): Add "normal" and change values.
                   5883: 
                   5884:        * a29k.c (call_operand, case SYMBOL_REF): Handle TARGET_LARGE_MEMORY
                   5885:        and SYMBOL_REF_FLAG.
                   5886: 
                   5887: Thu Sep 30 23:25:13 1993  Jeffrey A. Law  ([email protected])
                   5888: 
                   5889:        * reorg.c (optimize_skip): Do not thread a jump to a new target if
                   5890:        doing so would invalidate the insn in the jump's delay slot.
                   5891: 
                   5892: Thu Sep 30 14:21:03 1993  Brendan Kehoe  ([email protected])
                   5893: 
                   5894:        * bi-lexer.c (scan_string): Do xmalloc if buffer is null and
                   5895:        xrealloc if it's not, not the other way around.
                   5896: 
                   5897: Thu Sep 30 10:57:30 1993  Jan Brittenson  ([email protected])
                   5898: 
                   5899:        * bc-emit.c (bc_end_function, seg_data): Use bcopy instead of memcpy. 
                   5900: 
                   5901: Thu Sep 30 05:53:58 1993  Richard Kenner  ([email protected])
                   5902: 
                   5903:        * fold-const.c (fold, case PLUS_EXPR, MINUS_EXPR): Properly handle
                   5904:        case when ARG1 splits and VARSIGN is -1.
                   5905: 
                   5906: Wed Sep 29 19:41:18 1993  Richard Stallman  ([email protected])
                   5907: 
                   5908:        * c-typeck.c (build_modify_expr): Check whether recursive calls
                   5909:        return error_mark_node.
                   5910: 
                   5911: Wed Sep 29 18:35:30 1993  Leonid Baraz  ([email protected])
                   5912: 
                   5913:        * rtl.h (GEN_INT): Add missing cast to HOST_WIDE_INT.
                   5914:        * jump.c (rtx_renumbered_equal_p, case CONST_INT): Use INTVAL,
                   5915:        not XINT.
                   5916: 
                   5917: Wed Sep 29 17:32:03 1993  Doug Evans  ([email protected])
                   5918: 
                   5919:        * glimits.h (UINT_MAX, ULONG_MAX, ULONG_LONG_MAX): 
                   5920:        redefine in a simpler way.
                   5921: 
                   5922: Wed Sep 29 17:25:17 1993  david d `zoo' zuhn  ([email protected])
                   5923: 
                   5924:        * fixincludes (sys/spinlock.h): change references of
                   5925:        "../machine/*.h" to <machine/*.h>
                   5926: 
                   5927: Wed Sep 29 07:09:50 1993  Richard Kenner  ([email protected])
                   5928: 
                   5929:        * rs6000.c (reg_or_short_operand): Remove redundant test.
                   5930: 
                   5931:        * sched.c: Add prototypes for static function.
                   5932:        (add_dependence, remove_dependence, regno_use_in): Now static.
                   5933:        (schedule_insns): Have dummy version also take FILE * parameter.
                   5934: 
                   5935: Wed Sep 29 01:29:31 1993  Paul Eggert  ([email protected])
                   5936: 
                   5937:        * cccp.c (quote_string): New function.
                   5938:        (special_symbol, write_output, output_line_command): Use it to escape
                   5939:        special characters in file names when outputting #line directives.
                   5940:        (do_line): Parse escape sequences in #line directives' file names.
                   5941:        * c-lex.c, cp-lex.c (check_newline, yylex, real_yylex): Likewise.
                   5942:        (ignore_escape_flag): Remove var.
                   5943: 
                   5944: Tue Sep 28 21:27:26 1993  Richard Kenner  ([email protected]
                   5945: 
                   5946:        * function.c (push_temp_slots, pop_temp_slots): Always change level.
                   5947:        * cp-expr.c (cplus_expand_expr): Push and pop temp slots around
                   5948:        making new temp slots and freeing them.
                   5949:        * expr.c (expand_assignment, expand_expr, do_jumps): Likewise.
                   5950:        * integrate.c (expand_inline_function): Likewise.
                   5951: 
                   5952: Tue Sep 28 18:50:57 1993  Richard Stallman  ([email protected])
                   5953: 
                   5954:        * reload.c (find_reloads): Don't call find_reloads_toplev
                   5955:        (or anything like that) for match_operator operands.
                   5956: 
                   5957:        * config/ns32k/ns32k.c (output_move_double): Special code for
                   5958:        pushing from an address that uses the sp.  Use PUSHOP for pushes,
                   5959:        not POPOP.
                   5960: 
                   5961:        * config/ns32k/ns32k.h (FUNCTION_EPILOGUE, FUNCTION_PROLOGUE): 
                   5962:        Add %$ in adjspb/adjspd insns.
                   5963:        * config/ns32k/ns32k.md (recognizer for subtracting const from reg 17):
                   5964:        Add %$ in adjspb/adjspd insns.
                   5965: 
                   5966:        * bytetypes.h (QItype, HItype, SItype, DItype): Use __signed__.
                   5967: 
                   5968:        * Makefile.in (stamp-bcopname, stamp-bcopcode): 
                   5969:        Use shorter names for temporary files.
                   5970:        (bc-emit.o): Depend on bc-arity.h.
                   5971: 
                   5972:        * bi-opname.c, bi-arity.c, bi-opcode.c (xmalloc): New function.
                   5973:        * bi-opname.c, bi-arity.c: Include stdio.h.
                   5974: 
                   5975:        * function.c (expand_main_function): Put back accidentally
                   5976:        deleted previous change to use NAME__MAIN.
                   5977: 
                   5978:        * glimits.h (INT_MAX, LONG_MAX, LONG_LONG_MAX): Delete parens.
                   5979:        (__glimits__evconcat__, __glimits__concat__): New macros.
                   5980:        (UINT_MAX, ULONG_MAX, ULONG_LONG_MAX): Use them.
                   5981: 
                   5982:        * cccp.c (output_dots): New function.
                   5983:        (do_include): Call it (to indent output for print_include_names).
                   5984: 
                   5985: Tue Sep 28 18:22:31 1993  Jim Wilson  ([email protected])
                   5986: 
                   5987:        * reload1.c (eliminate_regs): All recursive calls now pass INSN
                   5988:        instead of NULL_RTX.  Second assignment to ref_outside_mem changed
                   5989:        to be same as first assignment.
                   5990: 
                   5991:        * combine.c (force_to_mode, LSHIFTRT case): Avoid shifts larger
                   5992:        than HOST_BITS_PER_WIDE_INT.
                   5993: 
                   5994:        * sched.c (schedule_insns): Don't zero reg_n_calls_crossed for
                   5995:        pseudos live across multiple blocks.
                   5996: 
                   5997:        * fixincludes ({sparc,sun3,sun3x,sun4,sun4c,sun4m}/asm_linkage.h,
                   5998:        {sun4c,sun4m}/debug/asm_linkage.h: Replace /**/ with ##.
                   5999: 
                   6000:        * reorg.c (mark_target_live_regs): When scanning insns, ignore
                   6001:        CLOBBERs in addition to USEs.
                   6002: 
                   6003:        * life.h: Comment that this is for sparclite w/o FPU.
                   6004:        * sparc.h (CPP_SPEC): Handle -mf930 and -mf934.
                   6005:        (TARGET_SWITCHES): Add -mf930 and -mf934 options.  -msparclite no
                   6006:        longer does -mno-fpu.
                   6007: 
                   6008:        * fixinc.svr4, fixincludes (math.h): Put #ifndef around HUGE_VAL
                   6009:        define.
                   6010:        * math-68881.h, math-3300.h (HUGE_VAL): Add #undef before HUGE_VAL
                   6011:        define, instead of surrounding it with #ifndef/#endif.
                   6012: 
                   6013:        * sparc/bsd.h: New file.
                   6014:        * configure (sparc-*-bsd*): New configuration.
                   6015: 
                   6016:        * reload.c (form_sum): Change the way that form_sum canonicalizes
                   6017:        addresses, so that it never creates (PLUS (PLUS MEM CONST_INT) REG)
                   6018:        but instead canonicallizes this to (PLUS (PLUS REG CONST_INT) MEM).
                   6019: 
                   6020: Tue Sep 28 16:00:25 1993  Richard Stallman  ([email protected])
                   6021: 
                   6022:        * bc-emit.c: Include gvarargs.h, not varargs.h.
                   6023:        Don't include string.h.
                   6024:        (seg_align): Use bzero, not memset.
                   6025: 
                   6026: Mon Sep 27 20:53:01 1993  Richard Stallman  ([email protected])
                   6027: 
                   6028:        * c-typeck.c (pop_init_level): Add special case for nonincremental
                   6029:        scalar initializers.
                   6030: 
                   6031:        * protoize.c: Declare rindex unconditionally.
                   6032: 
                   6033:        * c-decl.c (init_decl_processing): Use signed_type and unsigned_type
                   6034:        to set signed_wchar_type_node and unsigned_wchar_type_node.
                   6035: 
                   6036: Mon Sep 27 20:31:01 1993  Paul Eggert  ([email protected])
                   6037: 
                   6038:        * dbxout.c (dbxout_init, dbxout_source_file): Quote special
                   6039:        characters when outputting source file names.
                   6040:        * config/a29k/a29k.h, config/a29k/unix.h, config/alpha/alpha.h,
                   6041:        config/i386/aix386ng.h, config/i386/bsd.h, config/i386/gas.h,
                   6042:        config/i386/sun386.h (ASM_FILE_START): Likewise.
                   6043:        * config/elxsi/elxsi.h, config/m68k/3b1.h, config/m68k/crds.h,
                   6044:        config/m68k/mot3300.h, config/m68k/tower-as.h, config/m88k/m88k.h,
                   6045:        dwarfout.c (ASM_OUTPUT_SOURCE_FILENAME): Likewise.
                   6046:        * xcoffout.h, config/i386/i386iscgas.h, config/i860/fx2800.h
                   6047:        (DBX_OUTPUT_MAIN_SOURCE_DIRECTORY, DBX_OUTPUT_MAIN_SOURCE_FILENAME):
                   6048:        Likewise.
                   6049:        * xcoffout.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
                   6050:        * config/mips/mips.c (mips_output_filename): Likewise.
                   6051:        * toplev.c (output_file_directive): Likewise.
                   6052:        (output_quoted_string): New function.
                   6053: 
                   6054: Mon Sep 27 19:31:57 1993  Richard Stallman  ([email protected])
                   6055: 
                   6056:        * bi-lexer.c (xrealloc): Handle 0 passed as BLOCK.
                   6057: 
                   6058:        * Makefile.in (stamp-bcopname, stamp-bcopcode, stamp-bcarity):
                   6059:        Renamed from stamp-bc-... to fit in 14 chars.
                   6060:        Don't rm the .h files.
                   6061:        (STAGESTUFF): Add some bc and bi files.
                   6062: 
                   6063:        * c-lex.c (yylex): Handle i together with f or l in float constant.
                   6064: 
                   6065: Mon Sep 27 19:00:18 1993  Ian Lance Taylor  ([email protected])
                   6066: 
                   6067:        * cccp.c (special_symbol, initialize_builtins): If
                   6068:        NO_BUILTIN_SIZE_TYPE is defined, never refer to SIZE_TYPE.
                   6069:        Likewise for NO_BUILTIN_PTRDIFF_TYPE and PTRDIFF_TYPE.
                   6070: 
                   6071: Mon Sep 27 18:59:09 1993  Richard Stallman  ([email protected])
                   6072: 
                   6073:        * reload1.c (eliminate_regs, SET case): Check for INSN_LIST
                   6074:        along with EXPR_LIST.
                   6075: 
                   6076: Mon Sep 27 14:29:17 1993  Kresten Krab Thorup  ([email protected])
                   6077: 
                   6078:        * objc/typedstream.h (objc_read_object): Add declaration.
                   6079: 
                   6080: Mon Sep 27 17:00:38 1993  Richard Stallman  ([email protected])
                   6081: 
                   6082:        * configure: Handle option --with-elf.
                   6083:        (i[34]86-*-linux*): Use linuxelf.h if --with-elf.
                   6084:        (i[34]86-*-osfelf): Config deleted.
                   6085:        (i[34]86-*-osfrose): Handle --with-elf.
                   6086:        * config/i386/linuxelf.h: New file.
                   6087: 
                   6088: Mon Sep 27 14:19:33 1993  Jan Brittenson  ([email protected])
                   6089: 
                   6090:        * expr.c (bc_expand_constructor): Delete cast of argument to
                   6091:        bc_emit_instruction to HOST_WIDE_INT. Move assignment of ptroffs
                   6092:        to separate line.
                   6093: 
                   6094: Mon Sep 27 10:32:28 1993  Richard Kenner  ([email protected])
                   6095: 
                   6096:        * Makefile.in (stmt.o, expr.o, emit-rtl.o): Add missing dependency
                   6097:        on bc-typecd.def.
                   6098:        (bi-run.o): Fix formatting.
                   6099: 
                   6100: Mon Sep 27 10:26:43 1993  Jan Brittenson  ([email protected])
                   6101: 
                   6102:        * Makefile.in (bi-arity.h, bc-opcode.h, bc-opname.h): Use
                   6103:        move-if-changed. 
                   6104:        (stamp-bc-arity, stamp-bc-opcode, stamp-bc-opname): New targets.
                   6105: 
                   6106: Sun Sep 26 23:11:34 1993  Jeffrey A. Law  ([email protected])
                   6107: 
                   6108:        * pa.h (ASM_FILE_START): Remove last change for $LIT$ subspace,
                   6109:        not all HPUX linkers handle it correctly.
                   6110: 
                   6111: Sun Sep 26 20:51:36 1993  Richard Stallman  ([email protected])
                   6112: 
                   6113:        * stmt.c (expand_exit_loop_if_false, bc_expand_start_cond):
                   6114:        Use xjumpifnot, not jumpifnot.
                   6115: 
                   6116:        * Makefile.in (bi-arity, bi-opcode, bi-opname): Delete $(LEXLIB).
                   6117: 
                   6118:        * varasm.c (assemble_string): Put braces around ASM_OUTPUT_ASCII.
                   6119: 
                   6120: Sat Sep 25 08:30:16 1993  Richard Kenner  ([email protected])
                   6121: 
                   6122:        * expr.c (expand_expr, case COND_EXPR): Set MEM_IN_STRUCT_P
                   6123:        properly for TEMP.
                   6124: 
                   6125:        * combine.c (BYTE_LOADS_EXTEND, LOAD_EXTEND): Deleted.
                   6126:        (subst, force_to_mode, nonzero_bits, num_sign_bit_copies):
                   6127:        Use new macros LOAD_EXTEND_OP and WORD_REGISTER_OPERATION instead
                   6128:        of BYTE_LOADS_*_EXTEND and LOAD_EXTEND.
                   6129:        * expr.c (do_store_flag): Likewise.
                   6130:        * reload.c (push_reload, find_reloads): Likewise.
                   6131:        * reload1.c (eliminate_regs): Likewise.
                   6132:        * a29k.h, alpha.h, clipper.h, arm.h, i960.h, m88k.h, mips.h:
                   6133:        Use WORD_REGISTER_OPERATION and LOAD_EXTEND_OP and delete
                   6134:        BYTE_LOADS_{SIGN,ZERO}_EXTEND.
                   6135:        * pa.h, romp.h, rs6000.h, sh.h, sparc.h: Likewise.
                   6136: 
                   6137: Sat Sep 25 06:19:20 1993  Jan Brittenson  ([email protected])
                   6138: 
                   6139:        * bi-lexer.l: Deleted.
                   6140: 
                   6141:        * bi-lexer.c: New file.
                   6142: 
                   6143:        * Makefile.in (bi-lexer): Deleted.
                   6144:        (bi-lexer.l): Deleted.
                   6145: 
                   6146: Fri Sep 24 16:59:03 1993  Brendan Kehoe  ([email protected])
                   6147: 
                   6148:        Cygnus<->FSF C++ front-end merge.
                   6149: 
                   6150:        Tue Sep 21 19:17:29 1993  Mike Stump  ([email protected])
                   6151: 
                   6152:        * cp-decl.c (build_ptrmemfunc_type): Set CLASSTYPE_GOT_SEMICOLON
                   6153:          just in case.
                   6154:        * cp-decl.c (start_function): Exclude pointer to member functions in
                   6155:          IS_AGGR_TYPE test.
                   6156:        * cp-method.c (dump_type_prefix, dump_type_suffix, dump_type):
                   6157:          Handle pointer to member functions.
                   6158: 
                   6159:        Tue Sep 21 10:47:10 1993  Mike Stump  ([email protected])
                   6160: 
                   6161:        * cp-tree.c (finish_struct): Since we know which base class we want
                   6162:          the binfo for, get it directly, instead of searching for it.  Cures
                   6163:          a compiler_error in binfo_value.
                   6164: 
                   6165:        Thu Sep 16 20:33:25 1993  Mike Stump  ([email protected])
                   6166: 
                   6167:        * cp-cvt.c (convert_pointer_to): Make error more specific and more
                   6168:          readable.
                   6169: 
                   6170:        Thu Sep 16 20:14:18 1993  Mike Stump  ([email protected])
                   6171: 
                   6172:        * cp-lex.c (consume_string): Add second argument so that we can use
                   6173:          this routine for character constants too.  Also, handle eof inside
                   6174:          the string or character constant better.  Make static, as it isn't
                   6175:          used anyplace else.
                   6176: 
                   6177:        * cp-lex.c (reinit_parse_for_block): Add second argument to
                   6178:          consume_string.  Add support for character constants.
                   6179: 
                   6180:        * cp-tree.h (consume_string): Remove declaration, not used any place
                   6181:          else.
                   6182: 
                   6183:        Wed Sep 15 12:44:13 1993  Per Bothner  ([email protected])
                   6184: 
                   6185:        * cp-gc.c (build_t_desc):  Make sure finish_table is called
                   6186:        for the methods and ivars tables.
                   6187: 
                   6188:        Mon Sep 13 14:40:23 1993  Brendan Kehoe  ([email protected])
                   6189: 
                   6190:        * cp-pt.c (unify): Use the referent type if necessary.
                   6191: 
                   6192:        Fri Sep 10 16:34:37 1993  Mike Stump  ([email protected])
                   6193: 
                   6194:        * cp-typeck.c (build_binary_op_nodefault): Add missing fourth
                   6195:          argument to build_binary_op calls, and eliminate bogus delta2
                   6196:          check.
                   6197: 
                   6198:        Fri Sep 10 14:52:59 1993  Mike Stump  ([email protected])
                   6199: 
                   6200:        * cp-typeck.c (build_binary_op_nodefault): Make sure delta2's match
                   6201:          when comparing pointers to _virtual_ member functions.
                   6202: 
                   6203:        Fri Sep 10 14:27:45 1993  Mike Stump  ([email protected])
                   6204: 
                   6205:        * cp-typeck.c (convert_for_assignment): Revert a cast.
                   6206:        * cp-typeck.c (build_binary_op_nodefault): Add missing fourth
                   6207:          argument to build_binary_op calls.
                   6208: 
                   6209:        Thu Sep  9 21:22:40 1993  Mike Stump  ([email protected])
                   6210: 
                   6211:        Complete re-vamp of pointer to member functions.  Implements
                   6212:        complete semantics.  Cures problems on CONVEX, i960 and alpha.
                   6213: 
                   6214:        * cp-tree.h (get_member_function_from_ptrfunc, build_ptrmemfunc):
                   6215:          New routines.
                   6216:        * cp-decl.c (build_ptrmemfunc_type): New routine, builds canonical
                   6217:          pointer to member function types.
                   6218:        * cp-decl.c (grokdeclarator): Use new type for POINTER_TYPE to
                   6219:          METHOD_TYPEs.
                   6220:        * cp-method.c (build_overload_name): Make the old mangling to show
                   6221:          through when mangling the new pointer to member function type.
                   6222: 
                   6223:        * cp-tree.h (TYPE_PTRMEMFUNC_P, TYPE_PTRMEMFUNC_FN_TYPE,
                   6224:          TYPE_GET_PTRMEMFUNC_TYPE, TYPE_SET_PTRMEMFUNC_TYPE): New macros
                   6225:          for pointer to member function code.
                   6226:        * cp-init.c (resolve_offset_ref): Handle pointer to member functions
                   6227:          specially.
                   6228:        * cp-type2.c (store_init_value): Make new pointer to member
                   6229:          functions initializable.
                   6230:        * cp-typeck.c (convert_for_assignment): Make new pointer to member
                   6231:          functions assignable.
                   6232:        * cp-type2.c (build_m_component_ref): Make new pointer to member
                   6233:          functions work.
                   6234:        * cp-typeck.c (build_x_function_call, build_function_call_real,
                   6235:          build_binary_op): Ditto.
                   6236:        * cp-class.c (add_virtual_function): Don't set the high bit on
                   6237:          DECL_VINDEXs.
                   6238: 
                   6239:        * cp-typeck.c (get_member_function_from_ptrfunc): New routine to
                   6240:          resolve a pointer to member function.
                   6241:        * cp-typeck.c (build_ptrmemfunc): New routine to build CONSTRUCTORs
                   6242:          for new pointer to member functions.  Used by to generate
                   6243:          initialization and assignment expressions.
                   6244:        * cp-typeck.c (build_binary_op_nodefault): Implement == and != for
                   6245:          new pointer to member functions.
                   6246:        * cp-typeck.c (unary_complex_lvalue): Handle & in more reasonable
                   6247:          ways to make new pointer to member functions work.
                   6248: 
                   6249:        * cp-parse.y (expr_no_commas): Don't dereference the second
                   6250:          argument, this is now done in build_m_component_ref as needed.
                   6251:        * cp-typeck.c (build_x_binary_op): Ditto.
                   6252: 
                   6253:        Other misc work.
                   6254: 
                   6255:        * cp-call.c (build_field_call, build_scoped_method_call,
                   6256:          build_method_call): Second arg to build_indirect_ref should be
                   6257:          NULL_PTR, not NULL or 0.
                   6258:        * cp-class.c (build_vbase_path, build_vfn_ref, popclass): Ditto.
                   6259:        * cp-cvt.c (convert_from_reference): Ditto.
                   6260:        * cp-decl2.c (setup_vtbl_ptr, finish_file): Ditto.
                   6261:        * cp-init.c (emit_base_init, build_virtual_init,
                   6262:          expand_aggr_vbase_init_1, expand_recursive_init_1,
                   6263:          get_member_function, resolve_offset_ref, build_new, build_delete,
                   6264:          build_vec_delete): Ditto. 
                   6265:        * cp-search.c (dfs_init_vbase_pointers, init_vbase_pointers,
                   6266:          build_vbase_vtables_init): Ditto.
                   6267:        * cp-type2.c (build_x_arrow, build_functional_cast): Ditto.
                   6268:        * cp-typeck.c (build_modify_expr): Ditto.
                   6269: 
                   6270:        Instead of calling get_identifier with the same value all the time,
                   6271:        call it once, and re-use the cached value.
                   6272: 
                   6273:        * cp-decl.c (pfn_identifier, index_identifier, delta_identifier,
                   6274:          delta2_identifier): New cached calls to get_identifier.
                   6275:        * cp-tree.h (this_identifier, pfn_identifier, index_identifier,
                   6276:          delta_identifier, delta2_identifier): Allow them to be accessed
                   6277:          everywhere.
                   6278:        * cp-decl.c (init_decl_processing): Initialize pfn_identifier,
                   6279:          index_identifier, delta_identifier and delta2_identifier and
                   6280:          use a cached get_identifier call.
                   6281:        * cp-class.c (delta_name, pfn_name): Removed, use delta_identifier
                   6282:          and pfn_identifier instead.
                   6283:        * cp-class.c (popclass): Use a cached get_identifier call for `this'.
                   6284: 
                   6285:        Tue Sep  7 16:01:14 1993  Brendan Kehoe  ([email protected])
                   6286: 
                   6287:        * cp-search.c (immediately_derived): New function.
                   6288:        (get_binfo): Use it.
                   6289:        (compute_visibility): Rewrite how private inheritance is handled, so
                   6290:        it actually works.  Use the new immediately_derived fn.
                   6291: 
                   6292:        Mon Sep  6 14:44:46 1993  Jim Wilson  ([email protected])
                   6293: 
                   6294:        * cp-decl.c (grokfndecl): Add empty statement after foundaggr label.
                   6295: 
                   6296:        Sat Sep  4 16:12:27 1993  Jason Merrill  ([email protected])
                   6297: 
                   6298:        * cp-decl.c (grokfndecl): Require class or enum argument to
                   6299:        operators.
                   6300: 
                   6301:        * cp-init.c (build_member_call): Make destructor without object
                   6302:        error more useful, don't complain of missing destructor.
                   6303: 
                   6304:        Thu Sep  2 15:51:54 1993  Brendan Kehoe  ([email protected])
                   6305: 
                   6306:        * cp-decl.c (globalize_nested_type): Make sure the type in question
                   6307:        has a lang_specific area before trying to clear DECL_CLASS_CONTEXT.
                   6308: 
                   6309:        Wed Sep  1 13:40:30 1993  Chip Salzenberg  (chip@fin)
                   6310: 
                   6311:        * cp-decl.c (start_function): Call duplicate_decls when user
                   6312:        redefines a builtin function.
                   6313: 
                   6314:        Thu Sep  2 15:38:43 1993  Brendan Kehoe  ([email protected])
                   6315: 
                   6316:        * cp-pt.c (instantiate_class_template): Only kick back the local
                   6317:        value if we're setting things up for the parser.
                   6318: 
                   6319:        Wed Sep  1 12:54:38 1993  Brendan Kehoe  ([email protected])
                   6320: 
                   6321:        * cp-init.c (emit_base_init): Don't complain if the base has no
                   6322:        constructor; we should try to use the default constructor instead.
                   6323: 
                   6324:        Wed Sep  1 11:57:00 1993  Brendan Kehoe  ([email protected])
                   6325: 
                   6326:        * cp-call.c (find_scoped_type): Undo the sorry for now, it's hitting
                   6327:        a lot of code that it shouldn't be.
                   6328: 
                   6329:        Mon Aug 30 13:08:48 1993  Mike Stump  ([email protected])
                   6330: 
                   6331:        * cp-typeck.c (build_x_unary_op): unary & on an expression of
                   6332:        RECORD_TYPE that has an incomplete type gives the simple address of
                   6333:        the object, and should not give an error about method not found.
                   6334: 
                   6335:        Mon Aug 30 11:06:26 1993  Brendan Kehoe  ([email protected])
                   6336: 
                   6337:        * cp-pt.c (instantiate_class_template): Don't try to instantiate a
                   6338:        template that's already being worked on.
                   6339: 
                   6340:        * cp-init.c (perform_member_init): Make an uninitialized reference
                   6341:        be a pedwarn, not a warning.
                   6342: 
                   6343:        * cp-class.c (finish_struct): Make declaration of a negative width
                   6344:        for a bit-field be an error, not a warning.
                   6345: 
                   6346:        Sat Aug 28 09:40:47 1993  Michael Tiemann  ([email protected])
                   6347: 
                   6348:        * cp-call.c (find_scoped_type): Add a `sorry' call if we hit an
                   6349:        uninstantiated type.
                   6350: 
                   6351:        Thu Aug 26 13:53:23 1993  Jason Merrill  ([email protected])
                   6352: 
                   6353:        * cp-call.c (build_scoped_method_call): Don't produce an error
                   6354:        if the type has no destructor.
                   6355: 
                   6356:        * cp-decl.c (record_builtin_type): Don't set TYPE_HAS_DESTRUCTOR
                   6357:        after all.
                   6358: 
                   6359:        Wed Aug 25 19:10:24 1993  Jason Merrill  ([email protected])
                   6360: 
                   6361:        * cp-call.c (build_method_call): Check for class type value as
                   6362:        well
                   6363: 
                   6364:        * cp-tree.h (IDENTIFIER_CLASS_TYPE_VALUE): Create macro
                   6365:        (IDENTIFIER_HAS_CLASS_TYPE_VALUE): Ditto
                   6366: 
                   6367:        * cp-init.c (is_aggr_typedef): Check for class type value as well
                   6368:        (for template destructors)
                   6369:        (build_delete): Don't assert aggregate type, don't check
                   6370:        TREE_GETS_DELETE if built-in type.
                   6371: 
                   6372: Fri Sep 24 15:57:14 1993  Richard Earnshaw ([email protected])
                   6373: 
                   6374:        * rtl.h: (HARD_FRAME_POINTER_REGNUM): New macro.
                   6375:        (hard_frame_pointer_rtx): New variable
                   6376:        * combine.c: (combinable_i3_pat): Don't add REG_DEAD notes for
                   6377:        HARD_FRAME_POINTER_REGNUM.
                   6378:        (subst, case SUBREG): Don't change register number or mode if it
                   6379:        is HARD_FRAME_POINTER_REGNUM.
                   6380:        * cse.c: (FIXED_REGNO_P): HARD_FRAME_POINTER_REGNUM is fixed.
                   6381:        (CHEAP_REG): HARD_FRAME_POINTER_REGNUM is cheap.
                   6382:        (FIXED_BASE_PLUS): Allow hard frame pointer as base.
                   6383:        (NONZERO_BASE_PLUS_P): Likewise.
                   6384:        (cannon_hash, case REG): Add HARD_FRAME_POINTER_REGNUM to list of
                   6385:        special registers for SMALL_REGISTER_CLASSES.
                   6386:        (find_best_addr): Addresses containing HARD_FRAME_POINTER_REGNUM
                   6387:        cannot be replaced.
                   6388:        (cse_main): value in HARD_FRAME_POINTER_REGNUM is preserved across
                   6389:        calls.
                   6390:        * dbxout.c: (dbxout_symbol): FRAME_POINTER_REGNUM has been eliminated
                   6391:        by now, use HARD_FRAME_POINTER_REGNUM.
                   6392:        * emit-rtl.c: (hard_frame_pointer_rtx): New variable.
                   6393:        (gen_rtx): return hard_frame_pointer_rtx if generating rtl
                   6394:        for HARD_FRAME_POINTER_REGNUM.
                   6395:        (enit_emit_once): Generate initial rtl for hard_frame_pointer_rtx.
                   6396:        * explow.c: (copy_all_regs): Don't copy HARD_FRAME_POINTER_REGNUM.
                   6397:        * flow.c: (life_analysis): Mark HARD_FRAME_POINTER_REGNUM as live at
                   6398:        the end of the function.
                   6399:        (insn_dead_p): Don't delete insns that set the hard frame pointer.
                   6400:        (mark_set_1): Don't add death information about
                   6401:        HARD_FRAME_POINTER_REGNUM.
                   6402:        (mark_used_regs, case REG): Don't put HARD_FRAME_POINTER_REGNUM in
                   6403:        regs_ever_live.  Don't mark it as needed either.
                   6404:        * function.c: (instantiate_virtual_regs_1, case MEM): references to
                   6405:        MEM via the hard frame pointer shouldn't be copied.
                   6406:        * genattrtab.c: (hard_frame_pointer_rtx): New Dummy definition.
                   6407:        * global.c: (global_alloc): Make sure that it is always possible to
                   6408:        eliminate FRAME_POINTER_REGNUM into HARD_FRAME_POINTER_REGNUM.
                   6409:        * jump.c: (thread_jumps): Value in HARD_FRAME_POINTER_REGNUM is never
                   6410:        modified by a call.
                   6411:        * local-alloc.c: (find_free_reg): Make sure we will always be able
                   6412:        to eliminate FRAME_POINTER_REGNUM into HARD_FRAME_POINTER_REGNUM.
                   6413:        * loop.c: (invariant_p, case REG): hard_frame_pointer_rtx is 
                   6414:        invariant.
                   6415:        * reload.c: (immune_p): Constants never overlap hard frame pointer
                   6416:        references.
                   6417:        (find_reloads_address): Compute invalid references to the hard 
                   6418:        frame pointer in a register; also (reg + const)
                   6419:        and (reg + reg + const).
                   6420: 
                   6421:        * reload1.c: (init_reload): use HARD_FRAME_POINTER_REGNUM instead of
                   6422:        FRAME_POINTER_REGNUM.
                   6423:        (reload): Only prohibit elimination of HARD_FRAME_POINTER_REGNUM, not
                   6424:        FRAME_POINTER_REGNUM if frame_pointer_needed.  Never prohibit
                   6425:        elimination of FRAME_POINTER_REGNUM into HARD_FRAME_POINTER_REGNUM.
                   6426:        Mark HARD_FRAME_POINTER_REGNUM as live at the start of a block if
                   6427:        it is still needed after elimination.
                   6428:        (eliminate_regs): For non-local goto's, don't delete stores into the
                   6429:        hard frame pointer.
                   6430:        (eliminate_regs_in_insn): adjust comment.
                   6431:        (mark_not_eliminable): if frame_pointer_rtx and hard_frame_pointer_rtx
                   6432:        are not the same, then frame_pointer_rtx is eliminable; 
                   6433:        hard_frame_pointer_rtx never is if it is set..
                   6434:        (order_regs_for_reload): HARD_FRAME_POINTER_REGNUM is a bad spill reg.
                   6435:        (choose_reload_regs): HARD_FRAME_POINTER_REGNUM is a bad choice.
                   6436:        * reorg.c: (mark_referenced_resource): if frame_pointer_needed, 
                   6437:        HARD_FRAME_POINTER_REGNUM is also a referenced resource.
                   6438:        (mark_target_live_regs): value in HARD_FRAME_POINTER_REGNUM is not
                   6439:        call-clobbered.
                   6440:        (dbr_schedule): HARD_FRAME_POINTER_REGNUM should be valid at the
                   6441:        end of a function.
                   6442:        * rtlanal.c: (rtx_unstable_p): HARD_FRAME_POINTER_REGNUM is not
                   6443:        an unstable register.
                   6444:        (rtx_varies_p, case REG): hard_frame_pointer_rtx is invariant.
                   6445:        (rtx_addr_can_trap_p, case REG): hard_frame_pointer_rtx won't trap.
                   6446:        * sched.c: (memrefs_conflict_p): We can work out whether references
                   6447:        via hard_frame_pointer_rtx are likely to conflict.
                   6448:        (attach_deaths, case REG): Don't add death notes for
                   6449:        HARD_FRAME_POINTER_REGNUM.
                   6450:        * sdbout.c: (sdbout_symbol): Use HARD_FRAME_POINTER_REGNUM instead of
                   6451:        FRAME_POINTER_REGNUM.
                   6452:        * stmt.c: (expand_goto): Set hard_frame_pointer_rtx when restoring
                   6453:        the frame.  Use it when restoring other registers.
                   6454:        (expand_end_bindings): ARG_POINTER_REGNUM will be eliminated into
                   6455:        HARD_FRAME_POINTER_REGNUM, not FRAME_POINTER_REGNUM; adjust code 
                   6456:        accordingly.
                   6457:        * stupid.c: (stupid_find_reg): never use HARD_FRAME_POINTER_REGNUM.
                   6458: 
                   6459: Fri Sep 24 15:05:14 1993  Richard Stallman  ([email protected])
                   6460: 
                   6461:        * reload1.c (eliminate_regs): Specially handle the case where INSN
                   6462:        is a note (an EXPR_LIST or INSN_LIST).
                   6463:        (eliminate_regs_in_insn): Pass the notes as INSN,
                   6464:        when calling eliminate_insn to process the notes.
                   6465: 
                   6466: Fri Sep 24 11:29:26 1993  Michael Meissner  ([email protected])
                   6467: 
                   6468:        * i386/osfrose.h (SET_ASM_OP): Define.
                   6469: 
                   6470: Fri Sep 24 04:47:33 1993  Jan Brittenson  ([email protected])
                   6471: 
                   6472:        * Makefile.in (toplev.o): Add bytecode.h and bc-emit.h to list
                   6473:        of dependencies.
                   6474:        (stmt.o): Add bytecode.h, bc-typecd.h, bc-opcode.h, bc-optab.h, 
                   6475:        and bc-emit.h to list of dependencies.
                   6476:        (expr.o): Add bytecode.h, bc-opcode.h, bc-typecd.h, bc-optab.h,
                   6477:        bc-emit.h, and modemap.def to list of dependencies.
                   6478:        (emit-rtl.o): Add bytecode.h, bc-opcode.h, bc-typecd.h,
                   6479:        bc-optab.h, bc-emit.h, bc-opname.h to list of dependencies.
                   6480:        (integrate.o, regclass.o, varasm.o, function.o): Add bytecode.h to
                   6481:        list of dependencies.
                   6482: 
                   6483: Thu Sep 23 23:58:58 1993  James Van Artsdalen  ([email protected])
                   6484: 
                   6485:        * att.h (ASM_OUTPUT_ASCII): Enclose macro in "do { .. } while (0)".
                   6486:        * sun386.h (ASM_OUTPUT_ASCII): Likewise.
                   6487: 
                   6488: Thu Sep 23 11:55:47 1993  Ted Lemon  ([email protected])
                   6489: 
                   6490:        * toplev.c (lang_options): Add -fallow-single-precision.
                   6491: 
                   6492: Thu Sep 23 00:40:28 1993  Richard Stallman  ([email protected])
                   6493: 
                   6494:        * Makefile.in (bi-parser.c): Supply explicit rule.
                   6495:        Add bi-parser.h as target.
                   6496:        Put these files in srcdir.
                   6497: 
                   6498:        * bc-emit.c (bc_gen_rtx): Call gen_rtx.
                   6499:        (bc_print_rtl): #if 0 the contents.
                   6500: 
                   6501:        * Makefile.in (bc-optab.o, bc-emit.o): Add missing deps.
                   6502:        (bi-parser.c, bi-lexer.c): Don't depend on .h files here.
                   6503: 
                   6504:        * varasm.c (handle_pragma_weak): Test HANDLE_PRAGMA_WEAK
                   6505:        and WEAK_ASM_OP and SET_ASM_OP.
                   6506: 
                   6507:        * Makefile.in (stmt.o): Fix typo.
                   6508: 
                   6509:        * emit-rtl.c (gen_label_rtx): If output_bytecode, make a CODE_LABEL
                   6510:        but with different contents.
                   6511: 
                   6512:        * rtl.h (BYTECODE_LABEL, BYTECODE_OFFSET, BYTECODE_BC_LABEL): 
                   6513:        (BYTECODE_UID): New macros.
                   6514:        (struct rtx_def): Delete elements label, offset, bc_label, uid.
                   6515: 
                   6516:        * Makefile.in (bc-arity.h, bc-opcode.h, bc-opname.h): Use `./'.
                   6517:        (bi-arity, bi-opcode, bi-opname, bi-lexer): Use host compiler.
                   6518:        Link with HOST_LIBS and depend on HOST_LIBDEPS.
                   6519:        (bi-unparse): Deleted.
                   6520:        (bytecode.distclean): Don't do anything with bi-unparse
                   6521:        (bi-arity.o, bi-opcode.o, bi-opname.o, bi-parser.o, bi-reverse.o)
                   6522:        (bi-lexer.o): Use host compiler.
                   6523: 
                   6524:        * expr.c (expand_increment): Don't store directly ito a subreg
                   6525:        that is narrower than a word.
                   6526: 
                   6527: Wed Sep 22 22:18:35 1993  Chip Salzenberg  ([email protected])
                   6528: 
                   6529:        * combine.c (init_reg_last_arrays): New function.
                   6530:        (combine_instructions): Use it.
                   6531:        (force_to_mode): Narrow mask to fit mode (except VOIDmode).
                   6532:        (record_value_for_reg): When zeroing reg_last_set_value, also
                   6533:        zero reg_last_set_{mode,nonzero_bits,sign_bit_copies}.
                   6534:        (record_dead_and_set_regs): Likewise.
                   6535: 
                   6536: Wed Sep 22 22:13:07 1993  James Van Artsdalen  ([email protected])
                   6537: 
                   6538:        * bc-emit.c (bc_initialize): Add MODE arg to REAL_VALUE_ATOF calls.
                   6539: 
                   6540:        * Makefile.in (bi-lexer.c): File is in $(srcdir).
                   6541: 
                   6542:        * reg-stack.c (record_label_references): Don't follow a null label
                   6543:        reference chain.
                   6544: 
                   6545: Wed Sep 22 15:56:27 1993  Richard Stallman  ([email protected])
                   6546: 
                   6547:        * Makefile.in (bi-arity, bi-opcode, bi-opname, bi-unparse, bi-lexer): 
                   6548:        Make the rules explicit.  Don't use $^.
                   6549:        (bi-run.o, bi-parser.o, bi-lexer.o): Eliminate $<.
                   6550:        (bc-arity.h, bc-opcode.h, bc-opname.h): Eliminate $< and $@.
                   6551: 
                   6552:        * c-typeck.c (set_init_index): Handle and allow CONST_DECL.
                   6553:        (build_c_cast): When making a CONSTRUCTOR for a union cast,
                   6554:        specify its type.
                   6555: 
                   6556:        * Makefile.in (bi-lexer.o, bi-parser.o): Use ALL_CFLAGS.
                   6557: 
                   6558:        * bi-arity.c (main): Make sure there's some value within
                   6559:        each pair of braces.
                   6560: 
                   6561:        * expr.c (bc_adjust_stack): Use VALIDATE_STACK_FOR_BC,
                   6562:        not VALIDATE_STACK.
                   6563:        * bc-emit.c (bc_emit_bytecode): Likewise.
                   6564:        (bc_emit_instruction) [! __GNUC__]: Don't really use bc-typecd.def.
                   6565: 
                   6566:        * varasm.c (bc_assemble_integer): Make definition static.
                   6567: 
                   6568:        * expr.c (bc_strdup): Don't use strcpy's value.
                   6569: 
                   6570:        * bytetypes.h: New file.  Typedefs moved from bytecode.h.
                   6571:        (union stacktype): Moved here.
                   6572:        * bytecode.h: Typedefs deleted.
                   6573:        * bi-run.h: (union stacktype): Deleted.
                   6574:        (BI_PARAMS): Don't continue the parmlist.
                   6575:        * bc-emit.c: Include bytetypes.h, if __GNUC__.
                   6576: 
                   6577: Wed Sep 22 15:49:47 1993  Ted Lemon ([email protected])
                   6578: 
                   6579:        * c-decl.c (flag_allow_single_precision): New variable.
                   6580:        (c_decode_option): Handle -fallow-single-precision.
                   6581:        * c-tree.h (flag_allow_single_precision): Declared.
                   6582:        * c-typeck.c (default_conversion): Implement -fallow-single-precision.
                   6583: 
                   6584: Wed Sep 22 11:18:24 1993  Mike Stump  ([email protected])
                   6585: 
                   6586:        * cp-class.c (finish_struct): Move special C++ only code that
                   6587:          handles anonymous unions inside structures here.
                   6588:        * stor-layout.c (layout_record): From here.
                   6589: 
                   6590: Wed Sep 22 14:14:55 1993  Richard Stallman  ([email protected])
                   6591: 
                   6592:        * enquire.c (FPROP): Recognize 80387 or 68881 XFmode format.
                   6593: 
                   6594:        * c-typeck.c (build_component_ref): For a field in an anonymous union,
                   6595:        make two nested COMPONENT_REFs.
                   6596:        (lookup_field): Additional arg INDIRECT.
                   6597: 
                   6598: Wed Sep 22 14:45:42 1993  Kresten Krab Thorup  ([email protected])
                   6599: 
                   6600:         * tm.texi (CLEAR_INSN_CACHE): New macro. 
                   6601:         * libgcc2.c (__clear_cache): add case for new CLEAR_INSN_CACHE.
                   6602: 
                   6603:         * libgcc2.c (__enable_execute_stack): Add case for NeXT/__MACH__. 
                   6604:         * config/m68k/next.h (INITIALIZE_TRAMPOLINE): Append call to
                   6605:         __enable_execute_stack.  
                   6606:         (CLEAR_INSN_CACHE): New macro.
                   6607: 
                   6608:         * varasm.c (output_constructor): Use the type given
                   6609:         by the constructor expression only if available.  Otherwise
                   6610:         use the type of the declared type.
                   6611: 
                   6612: Tue Sep 21 19:51:26 1993  Andrew McCallum  ([email protected])
                   6613: 
                   6614:         * objc/Object.[hm] (-compare:, -shouldNotImplement:): Added.
                   6615: 
                   6616:         * objc/archive.c (objc_write_type, objc_write_types): Take
                   6617:         take char** args for writing strings in stead of char* to
                   6618:         match NeXT.  Also correct some typos in error messages.
                   6619: 
                   6620: Tue Sep 21 18:35:04 1993  Per Bothner  ([email protected])
                   6621: 
                   6622:        * c-typeck.c (push_member_name):  Take a decl instead of a string.
                   6623:        Allow DECL_NAME to be NULL (anonymous fields).
                   6624:        * c-typeck.c (push_init_level, process_init_element):  Change
                   6625:        callers appropriately.
                   6626: 
                   6627: Tue Sep 21 16:44:17 1993  Richard Stallman  ([email protected])
                   6628: 
                   6629:        * libgcc2.c (L_bb): Test inhibit_libc.
                   6630: 
                   6631:        * Makefile.in (ENQUIRE, CROSS_TEST): New variables.
                   6632:        (all.cross): Use them.
                   6633: 
                   6634:        * mips-tfile.c, mips-tdump.c [CROSS_COMPILE]: Include mips/a.out.h.
                   6635: 
                   6636:        * arm.h, clipper.h, i386.h, i860.h, pyr.h, spur.h:
                   6637:        (INIT_CUMULATIVE_ARGS): Pass just the return value type
                   6638:        to aggregate_value_p.
                   6639: 
                   6640: Tue Sep 21 10:50:19 1993  Jan Brittenson  ([email protected])
                   6641: 
                   6642:        * emit-rtl.c (gen_label_rtx, emit_line_note): add conditional for
                   6643:        bytecode.
                   6644: 
                   6645:        * expr.c (mode_to_const_map, mode_to_load_map, mode_to_store_map):
                   6646:        new variable.
                   6647:        (bc_init_mode_to_opcode_maps): new function; initialize maps.
                   6648:        (expand_assignment, expand_expr, expand_increment): add
                   6649:        conditional for bytecode.
                   6650:        (bc_expand_expr, bc_load_memory, bc_store_memory,
                   6651:        bc_allocate_local, bc_allocate_variable_array, bc_load_externaddr,
                   6652:        bc_strdup, bc_load_externaddr_id, bc_load_localaddr,
                   6653:        bc_load_parmaddr, bc_canonicalize_array_ref,
                   6654:        bc_expand_component_address, bc_push_offset_and_size,
                   6655:        bc_expand_address, bc_runtime_type_code, bc_gen_constr_label,
                   6656:        bc_expand_constructor, bc_store_field, bc_store_bit_field,
                   6657:        bc_load_bit_field, bc_adjust_stack): new function.
                   6658: 
                   6659:        * function.c (put_var_into_stack, expand_main_function): do
                   6660:        nothing for bytecode.
                   6661:        (bc_build_calldesc): new function.
                   6662:        (init_function_start): use it if outputting bytecode.
                   6663:        (expand_function_start, expand_function_end): add conditional for
                   6664:        bytecode.
                   6665:        (bc_expand_function_start, bc_expand_function_end): new function.
                   6666: 
                   6667:        * integrate.c (output_inline_function): signal error for bytecode.
                   6668: 
                   6669:        * regclass.c (fix_register): signal error for bytecode.
                   6670: 
                   6671:        * stmt.c (struct nesting): new members bc_stack_level, skip_label).
                   6672:        (struct goto_fixup): new members bc_target, label, bc_handled,
                   6673:        bc_stack_level.
                   6674:        (emit_nop, expand_computed_goto, expand_label, expand_goto,
                   6675:        expand_goto_internal, fixup_gotos, expand_asm,
                   6676:        expand_asm_operands, expand_expr_stmt, expand_start_expr_stmt,
                   6677:        expand_end_expr_stmt, expand_start_cond, expand_start_else,
                   6678:        expand_end_cond, expand_start_loop, expand_loop_continue_here,
                   6679:        expand_end_loop, expand_exit_loop_if_false, expand_null_return,
                   6680:        expand_return, expand_start_bindings, expand_end_bindings,
                   6681:        expand_decl, expand_start_case, pushcase,
                   6682:        check_for_full_enumeration, expand_end_case): add conditional for
                   6683:        bytecode.
                   6684:        (bc_expand_goto_internal, bc_expand_fixup, bc_fixup_gotos,
                   6685:        bc_expand_start_cond, bc_expand_end_cond, bc_expand_start_else,
                   6686:        bc_expand_end_bindings, bc_expand_decl,
                   6687:        bc_expand_variable_local_init, bc_expand_decl_init,
                   6688:        bc_expand_start_case, bc_pushcase,
                   6689:        bc_check_for_full_enumeration_handling, bc_expand_end_case,
                   6690:        bc_new_uid): new function.
                   6691: 
                   6692:        * toplev.c (output_bytecode): new variable.
                   6693:        (f_options): add entry for -fbytecode.
                   6694:        (fatal_insn_not_found, compile_file, rest_of_decl_compilation,
                   6695:        rest_of_compilation, main): add conditional for bytecode.
                   6696:        
                   6697:        * config/m68k/m68k.c config/m68k/m68k.h: add bytecode specific
                   6698:        definitions.
                   6699: 
                   6700:        * varasm.c (text_section, data_section, make_function_rtl,
                   6701:        make_decl_rtl, assemble_asm, assemble_start_function,
                   6702:        assemble_zeros, assemble_string, assemble_variable,
                   6703:        assemble_external, assemble_external_libcall, assemble_label,
                   6704:        assemble_name, assemble_static_space,
                   6705:        assemble_trampoline_template, assemble_integer, assemble_real,
                   6706:        decode_addr_const, output_constant_def, output_constant_pool,
                   6707:        output_constant, output_constructor): add conditional for
                   6708:        bytecode. 
                   6709:        (bc_output_constructor, output_byte_asm, bc_make_rtl,
                   6710:        bc_output_data_constructor, bc_assemble_integer): 
                   6711:        new function. 
                   6712:        (handle_pragma_weak): break out asm writing code from
                   6713:        handle_pragma_token, move to varasm.c, so bytecode-specific
                   6714:        macros can access static varasm data and functions.
                   6715: 
                   6716:        * c-pragma.c (handle_pragma_token): use handle_pragma_weak.
                   6717: 
                   6718:        * function.h (enum pragma_state): moved from c-pragma.c
                   6719: 
                   6720:        * bc-config.h, bc-emit.c, bc-optab.c, bc-optab.h, bc-trans.h,
                   6721:        bc-typecd.def, modemap.def, bytecode.def, bc-emit.h, bc-typecd.h,
                   6722:        bi-arity.c, bi-defs.h, bi-lexer.c, bi-opcode.c, bi-opname.c,
                   6723:        bi-parser.c, bi-parser.h, bi-reverse.c, bi-run.c, bi-run.h,
                   6724:        bi-unparse.c: new file. bc-* are exclusively compiler files, bi-*
                   6725:        are interpreter files.
                   6726: 
                   6727:        * Makefile.in: add rules and/or dependencies for bc-emit.o,
                   6728:        bc-optab.o, bytecode, bi-arity, bi-opcode, bi-opname, bi-lexer,
                   6729:        bi-run.o, bi-parser.c, bi-parser.o, bi-lexer.o bi-arity.o,
                   6730:        bi-opcode.o, bi-opname.o, bi-reverse.o, bc-arity.h, bc-opcode.h,
                   6731:        bc-opname.h, bytecode.mostlyclean, bytecode.distclean, 
                   6732:        bytecode.realclean
                   6733: 
                   6734: 
                   6735: Tue Sep 21 10:20:55 1993  Richard Kenner  ([email protected])
                   6736: 
                   6737:        * jump.c (jump_optimize): Try putting RETURN at end of function
                   6738:        both at start and at end of our optimization.
                   6739: 
                   6740: Mon Sep 20 17:22:13 1993  Richard Stallman  ([email protected])
                   6741: 
                   6742:        * expr.c (expand_expr): Handle flag_volatile here.
                   6743:        * c-typeck.c (build_indirect_ref): TREE_THIS_VOLATILE no longer
                   6744:        depends on flag_volatile.
                   6745: 
                   6746: Mon Sep 20 15:21:31 1993  Doug Evans  ([email protected])
                   6747: 
                   6748:        * gstddef.h: Back out change of Sep 15 (handles Sun lossage).
                   6749:        Prevented bootstrapping.
                   6750: 
                   6751: Mon Sep 20 12:21:56 1993  Kresten Krab Thorup  ([email protected])
                   6752: 
                   6753:         * objc/archive.c (objc_read_string): Allocate n+1 chars instead of
                   6754:         just n.
                   6755: 
                   6756: Sun Sep 19 13:06:37 1993  Richard Stallman  ([email protected])
                   6757: 
                   6758:        * function.c (combine_temp_slots): Handle deletion properly.
                   6759:        Free the RTL that is allocated.
                   6760:        * rtl.c (rtx_free): New function.
                   6761: 
                   6762:        * config/m68k/m68k.c (output_move_double): Handle register overlap
                   6763:        case that occur in soft-float XFmode.  Code basically copied from
                   6764:        i386.c.
                   6765: 
                   6766: Sun Sep 19 14:40:08 JDT 1993  Michael Ben-Gershon ([email protected])
                   6767: 
                   6768:        * cse.c (simplify_unary_operation): If REAL_ARITHMETIC is defined,
                   6769:        and a FIX operation is applied to convert a CONST_DOUBLE to an INT,
                   6770:        the CONST_DOUBLE must first be rounded to zero.
                   6771: 
                   6772: Sun Sep 19 12:49:05 1993  James Van Artsdalen  ([email protected])
                   6773: 
                   6774:        * Makefile.in (objc-headers): Depend on stmp-fixinc to build the
                   6775:        include/ subdirectory first.
                   6776: 
                   6777: Sun Sep 19 09:45:16 1993  Richard Earnshaw ([email protected])
                   6778: 
                   6779:        * gstddef.h (size_t): Acorn RISCiX requires __size_t defined.
                   6780: 
                   6781: Sun Sep 19 09:08:09 1993  Richard Kenner  ([email protected])
                   6782: 
                   6783:        * genrecog.c (preds): Correct typo in name of `comparison_operator'.
                   6784:        (add_to_sequence): If PREDICATE_CODES specified, warn if we find a
                   6785:        predicate not in that list.
                   6786: 
                   6787:        * reload.c (find_reloads): Reject an alternative if two operands
                   6788:        match the same output and we have to do a reload.
                   6789: 
                   6790:        * rs6000.c (rs6000_override_options): Change processor type to
                   6791:        "rios1"; allow "rios" as synonym.
                   6792:        Add synonyms for "mpc6xx".
                   6793:        * rs6000.h (enum processor_type): Change from RIOS to RIOS1.
                   6794:        (PROCESSOR_DEFAULT): Likewise.
                   6795:        * rs6000.md (attribute "cpu"): Change from "rios" to "rios1"; all
                   6796:        uses changed.
                   6797: 
                   6798:        * xm-alpha.h: Add extern declaration for alloca.
                   6799: 
                   6800:        * a29k.h (PREDICATE_CODES): Fix typos and add missing entries.
                   6801:        * alpha.h, i860.h i960.h, m88k.h, mips.h, rs6000.h: Likewise.
                   6802: 
                   6803: Sat Sep 18 09:27:03 1993  Richard Stallman  ([email protected])
                   6804: 
                   6805:        * expr.c (convert_move): Use emit_library_call_value.
                   6806: 
                   6807: Sat Sep 18 08:01:44 1993  Richard Kenner  ([email protected])
                   6808: 
                   6809:        * alpha.h (REG_ALLOC_ORDER): Add missing entries.
                   6810: 
                   6811:        * combine.c (recog_for_combine): Fix typos in previous change.
                   6812: 
                   6813:        * reload.c (earlyclobber_operand_p): New function.
                   6814:        (combine_reloads): Use it.
                   6815:        (find_reloads): Set reload_earlyclobbers earlier.
                   6816:        (refers_to_regno_for_reload_p): Count something being stored into
                   6817:        if it is an earlyclobber operand.
                   6818: 
                   6819: Fri Sep 17 21:40:02 1993  Per Bothner  ([email protected])
                   6820: 
                   6821:        * fold-const.c (invert_truthvalue):  Instead of aborting,
                   6822:        build a TRUTH_NOT_EXPR when unable to optimize.
                   6823:        (The aborts were not a problem for C, which always first
                   6824:        calls truthvalue_conversion, but that should not be
                   6825:        necessary for a language with real Booleans.)
                   6826: 
                   6827: Fri Sep 17 20:38:53 1993  Richard Stallman  ([email protected])
                   6828: 
                   6829:        * c-typeck.c (output_init_element): Update constructor_bit_index
                   6830:        for union types.
                   6831: 
                   6832:        * libgcc2.c: Declare __fixunsxfdi only if really have XFmode.
                   6833:        Likewise for __fixunstfdi.
                   6834: 
                   6835: Fri Sep 17 18:08:37 1993  Richard Kenner  ([email protected])
                   6836: 
                   6837:        * combine.c (recog_for_combine): Always reject a PARALLEL containing
                   6838:        our special CLOBBER.
                   6839: 
                   6840:        * cse.c (fold_rtx, case MINUS): Copy result obtained from
                   6841:        hash table.
                   6842: 
                   6843:        * cse.c (fold_rtx, case SUBREG): If paradoxical SUBREG of a 
                   6844:        constant, return the constant.
                   6845: 
                   6846:        * c-typeck.c (lookup_field): Use HOST_WIDE_INT instead of long or
                   6847:        int when we want integer wide enough to hold a pointer difference.
                   6848: 
                   6849: Fri Sep 17 16:03:22 1993  Per Bothner  ([email protected])
                   6850: 
                   6851:        * dbxout.c (dbxout_type):  For CHAR_TYPE and BOOLEAN_TYPE (in
                   6852:        languages that have them - not C), adopt an AIX convention
                   6853:        to distinguish these from other types.
                   6854: 
                   6855: Fri Sep 17 09:02:06 1993  Richard Stallman  ([email protected])
                   6856: 
                   6857:        * expr.h (emit_library_call_value): Fix declaration.
                   6858: 
                   6859: Thu Sep 16 12:05:44 1993  Ian Lance Taylor  ([email protected])
                   6860: 
                   6861:        * Makefile.in (fixinc.ready): New target, like libgcc2.ready,
                   6862:        depending on xgcc and cpp.
                   6863:        (stmp-fixinc): Depend on fixinc.ready instead of xgcc and cpp.
                   6864:        (clean): Remove fixinc.ready.
                   6865: 
                   6866: Thu Sep 16 10:22:17 1993  Richard Stallman  ([email protected])
                   6867: 
                   6868:        * reload.c (find_reloads): For PLUS operand, call find_reloads_toplev.
                   6869: 
                   6870:        * optabs.c (expand_complex_abs): Fix typo in prev change.
                   6871: 
                   6872: Thu Sep 16 02:06:11 1993  Jim Wilson  ([email protected])
                   6873: 
                   6874:        * flags.h (current_function_has_nonlocal_goto): Declare.
                   6875:        * function.h (struct function): New field has_nonlocal_goto.
                   6876:        * function.c (current_function_has_nonlocal_goto): New var.
                   6877:        (push_function_context): Save it.
                   6878:        (pop_function_context): Restore it.
                   6879:        (init_function_start): Init it.
                   6880:        * integrate.c (function_cannot_inline_p): Don't inline if it's set.
                   6881:        * stmt.c (expand_goto): Set it.
                   6882: 
                   6883:        * reorg.c (mark_set_resources): For CALL_INSN, if followed by a
                   6884:        NOTE_INSN_SETJMP note, then assume that all registers are clobbered.
                   6885:        Handle case where CALL_INSN is in a sequence.
                   6886: 
                   6887: Wed Sep 15 17:38:38 1993  Richard Stallman  ([email protected])
                   6888: 
                   6889:        * gstddef.h: Delete the conditional that used to semi-avoid
                   6890:        interference with sys/stdtypes.h on Sun.  (fixincludes makes
                   6891:        it ok.)
                   6892: 
                   6893: Wed Sep 15 16:17:09 1993  Jeffrey A. Law  ([email protected])
                   6894: 
                   6895:        * pa.h (ASM_FILE_START): Fix access information for $LIT$
                   6896:        subspace.
                   6897: 
                   6898: Wed Sep 15 14:53:49 1993  Richard Stallman  ([email protected])
                   6899: 
                   6900:        * config/ns32k/ns32k.md: Add peepholes for stack adjust plus pushes.
                   6901: 
                   6902: Wed Sep 15 13:38:24 1993  Doug Evans  ([email protected])
                   6903: 
                   6904:         * c-typeck.c (lookup_field): New function (for chill).
                   6905:        (build_component_ref): Call it.
                   6906: 
                   6907: Wed Sep 15 08:12:32 1993  Richard Stallman  ([email protected])
                   6908: 
                   6909:        * libgcc2.c: Declare __fixunsxfdi and __fixunstfdi.
                   6910: 
                   6911:        * integrate.c (copy_for_inline, copy_rtx_and_substitute):
                   6912:        Always preserve the volatil flag when copying ASM_OPERANDS.
                   6913: 
                   6914: Tue Sep 14 21:56:20 1993  Jim Wilson  ([email protected])
                   6915: 
                   6916:        * c-typeck.c (valid_compound_expr_initializer): New function.
                   6917:        (digest_init): Handle compound expressions as initializers when
                   6918:        pedantic.
                   6919: 
                   6920:        * varasm.c (immed_double_const, immed_real_const_1): Don't touch
                   6921:        const_double_chain if not inside a function.
                   6922: 
                   6923: Tue Sep 14 16:22:03 1993  Per Bothner  ([email protected])
                   6924: 
                   6925:        * c-typeck.c (digest_init):  Compare types using comptypes
                   6926:        instead of comparing pointers.  (Helps Chill front end.)
                   6927: 
                   6928: Tue Sep 14 12:16:52 1993  Richard Stallman  ([email protected])
                   6929: 
                   6930:        * calls.c (emit_library_call_value): Finish making it work.
                   6931:        * optabs.c (expand_float): Use emit_library_call_value.
                   6932:        (expand_unop, expand_binop): Likewise.
                   6933:        (expand_complex_abs): Likewise.
                   6934:        Also pass SUBMODE as output mode to emit_library_call_value.
                   6935:        * function.c (aggregate_value_p): Allow type node as argument.
                   6936: 
                   6937:        * config/ns32k/ns32k.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE):
                   6938:        If omitting frame pointer, output an adjspd if necessary.
                   6939:        Use movd to save registers if four or less need saving.
                   6940:        Set DEPTH properly.
                   6941: 
                   6942:        * reload.c (find_dummy_reload): New args inmode, outmode.
                   6943:        (find_reloads): Pass new args.
                   6944:        (push_reload): Likewise.
                   6945: 
                   6946: Mon Sep 13 12:52:03 1993  Richard Stallman  ([email protected])
                   6947: 
                   6948:        * c-typeck.c (set_init_index): Don't allow variable indices.
                   6949: 
                   6950:        * c-decl.c (complete_array_type): Handle TREE_PURPOSE
                   6951:        of array constructor elements.
                   6952: 
                   6953:        * expr.c (store_constructor): Handle TREE_PURPOSE of array constructor.
                   6954:        (expand_expr, ARRAY_REF case): Likewise.
                   6955: 
                   6956:        * varasm.c (output_constructor): Handle index value in
                   6957:        the TREE_PURPOSE, for array constructors.
                   6958: 
                   6959:        * c-typeck.c (output_init_element): When putting an elt into a
                   6960:        CONSTRUCTOR, always set the TREE_PURPOSE (even for arrays).
                   6961:        Copy the node if it's an INTEGER_CST.
                   6962:        (output_pending_init_elements): If have gap and not incremental,
                   6963:        advance constructor_unfilled_fields or constructor_unfilled_index.
                   6964: 
                   6965: Sun Sep 12 23:00:25 1993  Per Bothner  ([email protected])
                   6966: 
                   6967:        * expr.c (expand_expr, case ARRAY_REF):  Coerce lower bound (if
                   6968:        non-zero) to sizetype before subtraction.
                   6969: 
                   6970: Sun Sep 12 16:18:18 1993  Richard Stallman  ([email protected])
                   6971: 
                   6972:        * c-typeck.c (push_init_level): Pop any implicit levels
                   6973:        that have been filled up.
                   6974:        Don't die if constructor_type is 0.
                   6975:        (process_init_element): If VALUE is 0 for union type,
                   6976:        update constructor_bit_index.
                   6977: 
                   6978: Sun Sep 12 10:59:08 1993  Bill Cox  ([email protected])
                   6979: 
                   6980:        * c-typeck.c (digest_init): Remove obsolete comments on args
                   6981:        TAIL, OF_WHAT.
                   6982: 
                   6983: Sun Sep 12 08:45:36 1993  Richard Stallman  ([email protected])
                   6984: 
                   6985:        * loop.c (basic_induction_var): New arg MODE.
                   6986:        Use it to call convert_modes.
                   6987:        (strength_reduce): Supply the new arg to basic_induction_var.
                   6988: 
                   6989:        * expmed.c (expand_shift): Use convert_modes.
                   6990:        (emit_store_flag): Likewise.
                   6991: 
                   6992: Sat Sep 11 16:44:15 1993  Doug Evans  ([email protected])
                   6993: 
                   6994:        * collect2.c (main): Provide upward compatibility with old version
                   6995:        of collect (avoids infinite mutual recursion between the two).
                   6996: 
                   6997: Sat Sep 11 13:05:07 1993  Per Bothner  ([email protected])
                   6998: 
                   6999:        * c-typeck.c (constructor_no_implicit):  New variable.
                   7000:        If set, dis-allows eliding of braces in initializers.
                   7001:        (Set by Chill front-end.)
                   7002:        * c-typeck.c (process_init_element):  Use it.
                   7003: 
                   7004: Sat Sep 11 15:55:25 1993  Richard Stallman  ([email protected])
                   7005: 
                   7006:        * stor-layout.c (layout_record): Turn off PCC_BITFIELD_TYPE_MATTERS
                   7007:        rounding of field bitpos, if maximum_field_alignment is nonzero.
                   7008: 
                   7009: Fri Sep 10 08:52:01 1993  Richard Stallman  ([email protected])
                   7010: 
                   7011:        * c-typeck.c (check_init_type_bitfields): Check for mismatch
                   7012:        between field's mode and its type's mode.
                   7013: 
                   7014:        * expr.c (protect_from_queue): Don't alter an existing MEM.
                   7015:        (convert_modes): Use X's mode (not OLDMODE) unless it is VOIDmode.
                   7016: 
                   7017: Fri Sep 10 01:01:32 1993  Roland McGrath  ([email protected])
                   7018: 
                   7019:        * config.sub: Recognize operating system `netbsd*'.
                   7020: 
                   7021: Thu Sep  9 18:09:14 1993  Per Bothner  ([email protected])
                   7022: 
                   7023:        * c-typeck.c (really_start_incremental_init, push_init_level):
                   7024:        Add support for arrays with non-zero lower bounds. (Used by Chill.)
                   7025: 
                   7026: Thu Sep  9 19:20:59 1993  Jim Wilson  ([email protected])
                   7027: 
                   7028:        * tree.c (make_node): Put PARM_DECLs of nested functions onto
                   7029:        parent's saveable obstack.
                   7030: 
                   7031: Thu Sep  9 14:17:00 1993  Ian Lance Taylor  ([email protected])
                   7032: 
                   7033:        * Makefile.in (CROSS_LIBGCC1): New variable.  Rule to use when
                   7034:        building libgcc1.a for a cross compiler.  Defaults to
                   7035:        libgcc1.cross.
                   7036:        * cross-make (LIBGCC1): Default to $(CROSS_LIBGCC1) rather than
                   7037:        libgcc1.cross.
                   7038:        * config/i386/t-next, config/i386/t-sol2, config/m88k/t-dgux,
                   7039:        config/m88k/t-luna, config/m88k/t-dgux-gas,
                   7040:        config/m88k/t-luna-gas, config/m88k/t-m88k,
                   7041:        config/m88k/t-m88k-gas, config/m88k/t-sysv4,
                   7042:        config/m68k/t-next, config/mips/t-bsd, config/mips/t-bsd-gas,
                   7043:        config/mips/t-mips, config/mips/t-mips-gas,
                   7044:        config/mips/t-osfrose, config/mips/t-svr3,
                   7045:        config/mips/t-svr3-gas, config/mips/t-svr4,
                   7046:        config/mips/t-svr4-gas, config/mips/t-ultrix, config/pa/t-pa,
                   7047:        config/sparc/t-sol2, config/h8300/t-h8300, config/sh/t-sh,
                   7048:        config/t-libc-ok (CROSS_LIBGCC1): Defined to be libgcc1.null.
                   7049: 
                   7050: Thu Sep  9 09:48:54 1993  Richard Stallman  ([email protected])
                   7051: 
                   7052:        * expr.c (expand_expr): Set ignore for COND_EXPR with VOID_TYPE.
                   7053: 
                   7054:        * expr.c (convert_modes): New function.
                   7055:        (convert_to_mode): Use that.
                   7056:        * expr.h (convert_modes): Declared.
                   7057:        * optabs.c (expand_twoval_binop): Use convert_modes.
                   7058:        (expand_complex_abs): Likewise.
                   7059:        (emit_cmp_insn): Likewise.
                   7060:        (expand_inline_function): Likewise.
                   7061:        * expmed.c (expand_divmod): Likewise.
                   7062:        (emit_store_flag): Likewise.
                   7063:        * loop.c (basic_induction_var): Likewise.
                   7064:        * integrate.c (expand_inline_function): Likewise.
                   7065: 
                   7066:        * optabs.c (widen_operand): New arg OLDMODE.
                   7067:        (expand_binop, expand_unop): Fix calls to widen_operand.
                   7068: 
                   7069: Wed Sep  8 18:25:50 1993  Doug Evans  ([email protected])
                   7070: 
                   7071:        * sparc.c, sparc.h, sparc.md: Cosmetic changes only.  Just
                   7072:        reordered code a little.
                   7073: 
                   7074: Wed Sep  8 14:49:59 1993  Jim Wilson  ([email protected])
                   7075: 
                   7076:        * dbxout.c (dbxout_parms): For parameters in registers, if use
                   7077:        DECL_RTL, then must use TREE_TYPE instead of DECL_ARG_TYPE.
                   7078: 
                   7079:        * mips.md (fix_truncdfsi2, fixtruncsfsi2): Mark SImode scratch
                   7080:        register as early clobbered when dest is in memory.
                   7081: 
                   7082:        * fixincludes (sbusdev/audiovar.h): Fix wrongly edited // comments
                   7083:        nested within /* */ comments.
                   7084: 
                   7085:        * gcc.c (process_command): Don't warn for -x after last input file
                   7086:        if spec_lang is zero.
                   7087: 
                   7088:        * fixinc.mips (bsd43/bsd43.h): Change /**/ to ##.
                   7089: 
                   7090:        * expr.c (convert_move): When truncating, call force_reg first if
                   7091:        it is something that gen_lowpart won't understand.
                   7092: 
                   7093:        * sys-protos.h (getrlimit, getrusage, setrlimit): Return int not void.
                   7094: 
                   7095: Wed Sep  8 11:28:41 1993  John Hassey  ([email protected])
                   7096: 
                   7097:        * m88k.c (output_call): Avoid use of jsr.n r1, this loses on
                   7098:        the 88110.
                   7099: 
                   7100: Wed Sep  8 10:51:07 1993  David Edelsohn  ([email protected])
                   7101: 
                   7102:        * rs6000.h: (MASK_*, TARGET_*): Add target masks and tests.
                   7103:        (TARGET_SWITCHES): Add target switches for various architectures
                   7104:        and mnemonics options.
                   7105:        (TARGET_OPTIONS): Add cpu type as special target option.
                   7106:        (OVERRIDE_OPTIONS): Call rs6000_override_options to decipher.
                   7107: 
                   7108:        * rs6000.c (rs6000_cpu, rs6000_cpu_string): New variables.
                   7109:        (rs6000_override_options): New function.
                   7110: 
                   7111:        * rs6000.md (define_attr): Expand list of instruction attributes.
                   7112:        (define_function_unit): Compute delay information based
                   7113:        upon processor type and expand functional unit types.
                   7114:        (mulsi3, divsi3, divmodsi4, divsf3, divdf3, muldf3, movsf):
                   7115:        Use expanded attributes.
                   7116:        (load with update): Likewise.
                   7117: 
                   7118: Wed Sep  8 06:34:32 1993  Richard Stallman  ([email protected])
                   7119: 
                   7120:        * c-typeck.c (output_init_element): When adding to
                   7121:        constructor_pending_elts, copy field.
                   7122: 
                   7123: Wed Sep  8 06:15:58 1993  David Gershovich  ([email protected])
                   7124: 
                   7125:        * expmed.c (make_tree, case CONST_INT): Properly set high part if
                   7126:        unsigned.
                   7127: 
                   7128:        * optabs.c (expand_binop): Must always widen second operand
                   7129:        of shift.
                   7130: 
                   7131: Wed Sep  8 05:16:59 1993  Richard Stallman  ([email protected])
                   7132: 
                   7133:        * c-typeck.c (push_init_level): Diagnose extra brace group at end
                   7134:        of record.  Set constructor_type to 0.
                   7135:        (pop_init_level): Don't output anything if constructor_type is 0.
                   7136:        (process_init_element): Do nothing if constructor_type is 0.
                   7137: 
                   7138: Tue Sep  7 19:11:20 1993  Richard Kenner  ([email protected])
                   7139: 
                   7140:        * c-common.c (c_build_type_variant): Allocate new type in same
                   7141:        obstack as old one.
                   7142: 
                   7143: Tue Sep  7 17:45:50 1993  Richard Stallman  ([email protected])
                   7144: 
                   7145:        * c-typeck.c (digest_init): Fix error message text.
                   7146: 
                   7147: Tue Sep  7 14:32:51 1993  Leonid Baraz  ([email protected])
                   7148: 
                   7149:        * sched.c (schedule_block): Correct type of BIT.
                   7150: 
                   7151:        * fold-const.c (fold): Don't try to process an RTL_EXPR.
                   7152: 
                   7153: Tue Sep  7 06:18:50 1993  Richard Stallman  ([email protected])
                   7154: 
                   7155:        * dbxout.c (dbxout_type): Handle enum constants bigger than one word.
                   7156:        Don't print big unsigned values as negative.
                   7157:        * c-decl.c (build_enumerator): Choose type properly for wide constants.
                   7158:        (finish_enum): Always set type of the enumerators to the enum type.
                   7159:        * c-typeck.c (default_conversion): For enum that's unsigned,
                   7160:        if it's at least as wide as int, convert to an unsigned type.
                   7161: 
                   7162:        * config/i386/sol2.h (LIB_SPEC, LINK_SPEC, SWITCH_TAKES_ARG):
                   7163:        Definitions copied from sparc/sol2.h.
                   7164:        (CPP_SPEC): Copied from sparc/sol2.h, but deleted -msparclite.
                   7165: 
                   7166: Mon Sep  6 14:43:20 1993  Richard Earnshaw ([email protected])
                   7167: 
                   7168:        * genextract.c (insn_name_ptr): Define for debugging.
                   7169:        (walk_rtx, case MATCH_OP_DUP): Expand recog_dup_loc using XEXP not
                   7170:        XVECEXP.
                   7171: 
                   7172: Mon Sep  6 13:28:03 1993  Richard Kenner  ([email protected])
                   7173: 
                   7174:        * rtlanal.c (modified_between_p): Handle vectors.
                   7175:        (modified_in_p): New function.
                   7176:        (refers_to_regno_p): If setting AP, FP, or SP, we clobber the
                   7177:        virtual registers.
                   7178:        * optabs.c (emit_libcall_block): Don't move insns that reference
                   7179:        things set in previous insns.
                   7180: 
                   7181: Mon Sep  6 08:35:34 1993  Richard Stallman  ([email protected])
                   7182: 
                   7183:        * config/mips/mips.h: Don't declare abort.
                   7184: 
                   7185: Mon Sep  6 01:03:58 1993  Jim Wilson  ([email protected])
                   7186: 
                   7187:        * protoize (abort): Correct volatile function declaration.
                   7188: 
                   7189: Sun Sep  5 18:23:09 1993  Doug Evans  ([email protected])
                   7190: 
                   7191:        * Makefile.in (USER_H): Add va-h8300.h.
                   7192: 
                   7193:        * collect2.c (our_file_name, last_file_name): deleted.
                   7194:        (our_file_names): New variable.
                   7195:        (is_in_prefix_list): New function.
                   7196:        (find_a_file): Call is_in_prefix_list.
                   7197:        (main): Make COLLECT_NAMES a list of our invocations.
                   7198:        If we've invoked ourselves, try again with ld_file_name.
                   7199: 
                   7200: Sun Sep  5 16:00:47 1993  Richard Stallman  ([email protected])
                   7201: 
                   7202:        * function.c (assign_parms): When parm needs conversion on entry,
                   7203:        don't store it back in the slot where it was passed.
                   7204: 
                   7205: Sun Sep  5 14:51:14 1993  Jim Wilson  ([email protected])
                   7206: 
                   7207:        * c-decl.c (grokdeclarator): For PARM_DECLs, only call
                   7208:        c_build_type_variant is constp or volatilep is true.
                   7209: 
                   7210: Sun Sep  5 06:44:09 1993  David Edelsohn  ([email protected])
                   7211: 
                   7212:         * rs6000.c: (print_operand): Convert fprintf of single letters
                   7213:        to putc and convert fprintf of constant strings to fputs.
                   7214:        Output '%u' operand as hexadecimal.
                   7215: 
                   7216: Sat Sep  4 11:16:18 1993  Craig Burley  ([email protected])
                   7217: 
                   7218:        * c-common.c (truthvalue_conversion): A complex value is nonzero
                   7219:        if either part is nonzero, not if both parts are nonzero.
                   7220: 
                   7221: Fri Sep  3 19:02:41 1993  Paul Eggert  ([email protected])
                   7222: 
                   7223:        * c-decl.c (build_enumerator): Apply default conversion to
                   7224:        constant-expression.
                   7225: 
                   7226: Fri Sep  3 18:03:47 1993  Chris Lang  ([email protected])
                   7227: 
                   7228:         * cccp.c (skip_if_group): Check for traditional mode when
                   7229:         skipping ahead to next #, ignore unless at beginning of line.
                   7230: 
                   7231: Fri Sep  3 18:00:15 1993  Michael Meissner  ([email protected])
                   7232: 
                   7233:        * i386/osfrose.h, i386/osfelf.h (LINK_SPEC): Pass -v and -dn on to
                   7234:        the ELF linker, which now accepts these switches.
                   7235: 
                   7236: Fri Sep  3 13:34:22 1993  Doug Evans  ([email protected])
                   7237: 
                   7238:        * i386/x-linux: Add -Iinclude to BOOT_CFLAGS.
                   7239: 
                   7240: Fri Sep  3 01:54:19 1993  Jeffrey A. Law  ([email protected])
                   7241: 
                   7242:        * pa.h (READONLY_DATA_ASM_OP): Define.
                   7243:        (READONLY_DATA_SECTION): Define.
                   7244:        (EXTRA_SECTIONS): Add in_readonly_data.
                   7245:        (EXTRA_SECTION_FUNCTIONS): Add readonly_data.
                   7246: 
                   7247: Thu Sep  2 19:19:14 1993  Holger Teutsch  ([email protected])
                   7248: 
                   7249:        * clipper.h : Improve generated code for C400 Clipper.
                   7250:        (TARGET_SWITCHES): New options `c300' `c400'.
                   7251:        (TARGET_C300, TARGET_C400): New defines.
                   7252:        (TARGET_DEFAULT): Define as TARGET_C300.
                   7253:        (CONDITIONAL_REGISTER_USAGE): New define.
                   7254: 
                   7255: Thu Sep  2 17:47:57 1993  Doug Evans  ([email protected])
                   7256: 
                   7257:        * glimits.h (__INT_MAX__, __LONG_MAX__, __LONG_LONG_MAX__): New macros.
                   7258:        (INT_MAX, LONG_MAX, LONG_LONG_MAX): Use them.
                   7259:        (UINT_MAX, ULONG_MAX, ULONG_LONG_MAX): Ditto.
                   7260: 
                   7261: Thu Sep  2 14:26:28 1993  Michael Meissner  ([email protected])
                   7262: 
                   7263:        * i386/osfrose.h (YES_UNDERSCORES): Delete macro, since we have
                   7264:        redefined all of the macros that are based on using it.
                   7265:        (CPP_SPEC, CC1_SPEC): Remove #ifndef NO_UNDERSCORE version.
                   7266:        OSF/ELF will now omit the leading underscore by default.
                   7267:        (LINK_SPEC): Pass -dy through to ELF linker.  Do not pass -v to
                   7268:        ELF linker.
                   7269: 
                   7270:        * i386/osfelf.h (CPP_SPEC, CC1_SPEC): Remove #ifndef NO_UNDERSCORE
                   7271:        version.  OSF/ELF will now omit the leading underscore by default.
                   7272:        (LINK_SPEC): Pass -dy through to ELF linker.  Do not pass -v to
                   7273:        ELF linker.
                   7274: 
                   7275: 
                   7276:        * final.c (tree.h): Include tree.h to get the declaration for
                   7277:        decl_printable_name.
                   7278:        (last_filename): Global to hold last filename encountered in a
                   7279:        NOTE.
                   7280:        (add_bb): New function to do common code for emitting a basic
                   7281:        block profiling increment.  Remember the current function, and if
                   7282:        debugging, line number and filename for each basic block.
                   7283:        (add_bb_string): New function to remember strings for profiling
                   7284:        basic blocks.
                   7285:        (end_final): Bump name array size to 20.  Use BSS to store profile
                   7286:        block count array unless -fno-common.  Eliminate redefining name
                   7287:        within for loop block.  Add a length field and three new parallel
                   7288:        arrays for basic blocks to hold function name, and if debugging,
                   7289:        line number and file name for basic block profiling.
                   7290:        (final_start_function): Save a printable version of the current
                   7291:        function name away if profiling basic blocks.
                   7292:        (final_end_function): Forget the current printable version of the
                   7293:        current function name if profiling basic blocks.
                   7294:        (final): Move basic block profiling support to just call add_bb.
                   7295:        (final_scan_insn): Ditto.
                   7296:        (output_source_line): Save filename in last_filename.  If the file
                   7297:        name was changed and profiling basic blocks, remember the new file
                   7298:        name for the next call to add_bb.
                   7299: 
                   7300:        * libgcc2.c (L_bb): If BLOCK_PROFILER_CODE is defined, expand it
                   7301:        here directly.  If BLOCK_PROFILER_CODE is not defined, add code
                   7302:        that appends basic block profile information into a text file
                   7303:        bb.out.  Move sun3 specific block profiling code to m68k/sun3.h.
                   7304: 
                   7305:        * Makefile.in (final.o): Final.c now includes tree.h.
                   7306: 
                   7307:        * m68k/sun3.h (BLOCK_PROFILER_CODE): Move the sun3 specific basic
                   7308:        block profiling code here from libgcc2.c.
                   7309: 
                   7310: Wed Sep  1 19:00:06 1993  Jim Wilson  ([email protected])
                   7311: 
                   7312:        * rs6000.md (truncdfsf2): Round to single instead of doing nothing.
                   7313: 
                   7314:        * jump.c (jump_optimize): When optimize conditional jump around
                   7315:        unconditional jump, handle case where prev_label can be zero.
                   7316: 
                   7317:        * c-decl.c (finish_decl): For static const variables, preserve
                   7318:        initializers instead of discarding them.
                   7319: 
                   7320: Wed Sep  1 18:43:01 1993  Richard Kenner  ([email protected])
                   7321: 
                   7322:        * reload.c (find_reloads): Bump REJECT for a hard register; just
                   7323:        not for a pseudo.
                   7324: 
                   7325:        * rs6000.md: Clean up hex constants a bit in emitted insns.
                   7326: 
                   7327:        * rs6000.c (input_operand): Allow "easy" FP constants.
                   7328:        * rs6000.h (SECONDARY_MEMORY_NEEDED): New macro.
                   7329:        * rs6000.md (movdf): Simplify by taking advantage of
                   7330:        having SECONDARY_MEMORY_NEEDED.
                   7331:        Fix bugs relating to order in which moves are done.
                   7332: 
                   7333: Wed Sep  1 18:08:36 1993  Jim Wilson  ([email protected])
                   7334: 
                   7335:        * reload.c (find_reloads_address_1): Handle SUBREGs same as REGs.
                   7336: 
                   7337: Wed Sep  1 18:03:45 1993  Mike Stump  ([email protected])
                   7338: 
                   7339:        * collect2.c (is_ctor_dtor): Make sizeof argument match the
                   7340:        string.
                   7341: 
                   7342: Wed Sep  1 15:01:48 1993  Brendan Kehoe  ([email protected])
                   7343: 
                   7344:        * Makefile.in (start.encap): Build g++ here also.
                   7345: 
                   7346: Tue Aug 31 16:30:53 1993  Jim Wilson  ([email protected])
                   7347: 
                   7348:        * combine.c (make_compound_operation): Handle the case
                   7349:        (and (xor/ior (lshift...) (lshift...)) ...).
                   7350:        (make_field_assignment): In get_pos_from_mask call, only invert
                   7351:        bits in mode mask.
                   7352: 
                   7353:        * reload.c (push_reload): Abort is secondary_reload wants same
                   7354:        class as an input reload.
                   7355: 
                   7356:        * Makefile.in (libgcc1.a, libgcc2.a): Don't use set -e.
                   7357:        * configure (i[34]86-*-lynxos, m68k-*-lynxos, sparc-*-lynxos): Use
                   7358:        xm-lynx.h, x-lynx.  Don't run fixincludes.
                   7359:        * x-lynx, xm-lynx.h: New files.
                   7360: 
                   7361:        * Makefile.in (xsys-protos.h): Use fixtmp.c not tmp.c, and delete
                   7362:        it afterwards.
                   7363: 
                   7364:        * function.c (assign_stack_temp): When allocate a slot too large,
                   7365:        split extra off into a slot of its own.
                   7366:        (combine_temp_slots): New function.
                   7367:        (free_temp_slots, pop_temp_slots): Call combine_temp_slots.
                   7368: 
                   7369: Tue Aug 31 06:35:37 1993  David Edelsohn  ([email protected])
                   7370: 
                   7371:        * rs6000.md: (zero_extendqisi2, zero_extendqihi2): Change anonymous
                   7372:        patterns to use 16-bit and 32-bit hexadecimal values and masks
                   7373:        instead of bit ranges if constant.
                   7374:        (rotlsi3, lshrsi3, move condition codes, scc insns): Likewise.
                   7375: 
                   7376: Tue Aug 31 06:25:52 1993  Paul Eggert  ([email protected])
                   7377: 
                   7378:        * c-decl.c (struct c_function): Remove unneeded enum_next_value.
                   7379:        (push_c_function_context, pop_c_function_context): Don't save it.
                   7380: 
                   7381: Mon Aug 30 16:16:56 1993  Paul Eggert  ([email protected])
                   7382: 
                   7383:        * c-decl.c (get_parm_info, store_parm_decls): If PROMOTE_PROTOTYPE,
                   7384:        promote all integral types shorter than int, including short enums.
                   7385:        * c-typeck.c (convert_arguments): Likewise.
                   7386:        * cp-decl.c (grokparms): Likewise.
                   7387:        * cp-except.c (finish_exception_decl): Likewise.
                   7388:        * cp-typeck.c (convert_arguments): Likewise.
                   7389: 
                   7390: Sun Aug 29 18:34:25 1993  Richard Kenner  ([email protected])
                   7391: 
                   7392:        * rs6000.h (TARGET_NO_FP_IN_TOC): New; deleted TARGET_FP_IN_TOC.
                   7393:        (TARGET_SWITCHES): Rearrange to have three TOC choices.
                   7394:        (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Use TARGET_NO_FP_IN_TOC.
                   7395:        * rs6000.c (output_toc): Likewise.
                   7396: 
                   7397: Sat Aug 28 15:04:35 1993  Jim Wilson  ([email protected])
                   7398: 
                   7399:        * mips.h (SELECT_SECTION): Simplify sdata_section test.
                   7400: 
                   7401:        * lynx.h (CPP_SPEC): Use include_v not include-v.
                   7402:        (LINK_SPEC): Add missing `-' before `k' option.
                   7403:        (PREFERRED_DEBUGGING_TYPE): Define to DBX_DEBUG.
                   7404:        (SDB_DEBUGGING_INFO): Define.
                   7405:        (MD_EXEC_PREFIX): Define to /usr/local/lib/gcc-.
                   7406:        (LINK_LIBGCC_SPECIAL_1): Define.
                   7407:        (NAME__MAIN, SYMBOL__MAIN): Define.
                   7408: 
                   7409:        * sparc.h (EXTRA_CONSTRAINT): Delete 'S'.
                   7410:        * sparc.md (call+1, call+2, call_value+1, untyped_call+1): Split
                   7411:        into two patterns, one using address_operand and 'p', the other
                   7412:        immediate_operand and 'i'.
                   7413: 
                   7414: Fri Aug 27 15:43:19 1993  Richard Kenner  ([email protected])
                   7415: 
                   7416:        * combine.c (nonzero_bits): Fix reversed test for when we
                   7417:        need to insert extra bits when sizes differ.
                   7418:        (nonzero_bits, case EQ): Always return STORE_FLAG_VALUE when returning
                   7419:        integer mode; remove now-redundant test.
                   7420: 
                   7421:        * rs6000.h (LINK_SPEC): Add -bexport:/usr/lib/libg.exp when -g.
                   7422: 
                   7423: Fri Aug 27 13:17:28 1993  Jim Wilson  ([email protected])
                   7424: 
                   7425:        * rs6000.c (print_operand_address): When TARGET_MINIMAL_TOC, use
                   7426:        r30 instead of r2 for TOC references.
                   7427:        (output_prologue): If TARGET_MINIMAL_TOC, and the constant pool
                   7428:        is needed, then setup r30.
                   7429:        (output_toc): When TARGET_MINIMAL_TOC, use .long instead of .tc.
                   7430:        * rs6000.h (TARGET_MINIMAL_TOC): New macro.
                   7431:        (TARGET_SWITCHES): Add -mminimal-toc and -mno-minimal-toc.
                   7432:        (ELIMINABLE_REGS): Add elimination for r30.
                   7433:        (CAN_ELIMINATE): Add case for r30.
                   7434:        (INITIAL_ELIMINATION_OFFSET): Add case for r30.
                   7435:        (toc_section): When TARET_MINIMAL_TOC, initialize toc_table.
                   7436: 
                   7437: Thu Aug 26 17:59:38 1993  Doug Evans  ([email protected])
                   7438: 
                   7439:        * gstdarg.h, gvarargs.h: Add support for H8/300H.
                   7440:        * va-h8300.h: New file.
                   7441: 
                   7442: Thu Aug 26 15:15:27 1993  Brendan Kehoe  ([email protected])
                   7443: 
                   7444:        Cygnus<->FSF C++ front-end merge.
                   7445:        Wed Aug 25 17:55:58 1993  Brendan Kehoe  ([email protected])
                   7446: 
                   7447:        * cp-class.c (alter_visibility): Properly grok protected visibility.
                   7448: 
                   7449:        Wed Aug 25 12:55:17 1993  Brendan Kehoe  ([email protected])
                   7450: 
                   7451:        * cp-typeck.c (c_sizeof): If we're given an OFFSET_TYPE, work with
                   7452:        the type it refers to.
                   7453: 
                   7454:        * cp-decl.c (finish_function): Properly handle inline functions,
                   7455:        don't just call rest_of_compilation.
                   7456: 
                   7457:        * cp-decl2.c (flag_inline_debug): Deleted, never used.
                   7458:        (lang_f_options): Deleted -finline-debug.
                   7459:        * toplev.c (lang_options): Likewise.
                   7460: 
                   7461:        Tue Aug 24 16:06:23 1993  Mike Stump  ([email protected])
                   7462: 
                   7463:        * cp-dem.c: Deleted.  See demangler in the binutils distribution.
                   7464: 
                   7465:        Tue Aug 24 14:24:34 1993  Brendan Kehoe  ([email protected])
                   7466: 
                   7467:        * cp-decl.c (start_function): Don't get ready to complain about a
                   7468:        built-in C-linkage function against a C++-linkage function.
                   7469: 
                   7470:        Tue Aug 24 13:54:43 1993  david d `zoo' zuhn  ([email protected])
                   7471: 
                   7472:        * g++.c: also include <sys/types.h>
                   7473: 
                   7474:        Tue Aug 24 05:39:57 1993  Michael Tiemann  ([email protected])
                   7475: 
                   7476:        * cp-parse.y (id_scope): Renamed from scoped_id.  Also added handler
                   7477:        for case when rule appears after `dont_see_typename' action.  Now
                   7478:        handles pointer-to-member syntax.
                   7479: 
                   7480:        Mon Aug 23 14:04:34 1993  Brendan Kehoe  ([email protected])
                   7481: 
                   7482:        * cp-parse.y (datadef): Disallow forward declaration of an enum.
                   7483: 
                   7484:        * cp-class.c (finish_struct): Set LAST_X to X, so we keep the chain
                   7485:        in some semblance of sanity.  Makes more than one nested typedef
                   7486:        work properly.
                   7487:        * cp-decl.c (grokdeclarator): Rewrite how class-local typedefs are
                   7488:        handled to generate a TYPE_DECL that's useful.
                   7489: 
                   7490:        * cp-decl.c (start_function): Don't error out if it's a static
                   7491:        function; don't return 0, which can cause other problems.
                   7492: 
                   7493:        Sun Aug 22 18:00:57 1993  Michael Tiemann  ([email protected])
                   7494: 
                   7495:        * cp-decl.c (duplicate_decls): Set DECL_OVERLOADED flag on "C"
                   7496:        functions so that they are treated properly when "C++" functions of
                   7497:        the same name are declared before they are.
                   7498: 
                   7499:        Sun Aug 22 13:31:44 1993  Brendan Kehoe  ([email protected])
                   7500: 
                   7501:        Fix how we handle binding levels, and tweak Niklas's new scoping
                   7502:        code to work 100%.  This work should significantly improve how
                   7503:        g++ handles the use of nested classes.
                   7504:        * cp-tree.h (NEW_CLASS_SCOPING): Default to 1 now!
                   7505:        * cp-decl.c (pop_binding_level): Set current_binding_level to be
                   7506:        class_binding_level if it's non-NULL.  Change code that looks for
                   7507:        our method of climbing back up the binding levels when we're
                   7508:        dealing with a parm.
                   7509:        (pushlevel_class): Call push_binding_level, not pushlevel.
                   7510:        (poplevel_class): Don't weird out if level is 0.  DO NOT set
                   7511:        class_binding_level to the level_chain, this was the biggest bug
                   7512:        that made the pushes and pops to end up being unbalanced.
                   7513:        Call pop_binding_level instead of manually putting the level on
                   7514:        the free_binding_level chain.
                   7515:        (pop_from_top_level): Don't call poplevel if previous_class is
                   7516:        non-NULL.
                   7517:        (finish_function): Call expand_start_bindings and
                   7518:        expand_end_bindings in a balanced way.
                   7519:        (finish_function): Don't flail around screwing with the RTL for
                   7520:        the function in a very special case, just always call
                   7521:        rest_of_compilation as we normally would.
                   7522:        (finish_method): Call poplevel, not pop_binding_level.
                   7523:        * cp-class.c (pushclass): Don't call unuse_fields.
                   7524:        * cp-tree.c (break_out_calls): Always call copy_node, not just
                   7525:        when changed++ == 0.
                   7526:        * cp-search.c (bridge_obstack): Deleted.
                   7527:        (push_class_decls): Use search_obstack, not bridge_obstack.
                   7528:        (init_search_processing): Don't init bridge_obstack anymore.
                   7529: 
                   7530:        * cp-init.c (build_new): Don't clear LOOKUP_COMPLAIN on flags, since
                   7531:        we need to honor the visibility of what we find.
                   7532: 
                   7533:        Sat Aug 21 12:07:26 1993  Brendan Kehoe  ([email protected])
                   7534: 
                   7535:        * cp-decl.c (grokdeclarator): Give an error about an array of
                   7536:        offset types and method types, in addition to reference types.
                   7537:        Also make sure to set `type' to be error_mark_node for each.
                   7538: 
                   7539:        * cp-parse.y (primary, PLUSPLUS/MINUSMINUS): Resolve the OFFSET_REF
                   7540:        here.
                   7541:        * cp-typeck.c (build_x_unary_op): Not here.
                   7542: 
                   7543:        * cp-class.c (finish_struct): Set DECL_CLASS_CONTEXT only if it's
                   7544:        a virtual function.
                   7545:        * cp-decl.c (grokfndecl): Communicate the virtual bit to function
                   7546:        decls that overload a virtual function from a base class.
                   7547:        * cp-search.c (dfs_pushdecls): Look at DECL_CLASS_CONTEXT if it's
                   7548:        a virtual function.
                   7549: 
                   7550:        Fri Aug 20 13:35:54 1993  Brendan Kehoe  ([email protected])
                   7551: 
                   7552:        Make the g++ driver work with MS-DOS.
                   7553:        * g++.c (P_tmpdir, {R,W,X}_OK) [__MSDOS__]: Defined.
                   7554:        (choose_temp_base_try, choose_temp_base, perror_exec,
                   7555:        run_dos) [__MSDOS__]: New functions for the g++ program to operate
                   7556:        correctly under MS-DOS.
                   7557:        (temp_filename, temp_filename_length) [__MSDOS__]: New variables.
                   7558:        (main): Fix off-by-one error in allocation of arglist.  When
                   7559:        running the main GCC program, handle running it under OS/2, MS-DOS,
                   7560:        as well as on a system that has execvp(2).  Only find the location
                   7561:        of the GCC executable if we're not using DOS.
                   7562: 
                   7563:        * cp-decl.c (poplevel): Only call remember_end_note if we haven't
                   7564:        already created the block.  Set TREE_USED on the block.
                   7565:        (duplicate_decls): If the type of either the old or new decl is an
                   7566:        error_mark_node, we've already issued an error so set types_match
                   7567:        to be 1 now.
                   7568:        (xref_defn_tag): Mark the TYPE_DECL as ignored if doing dwarf
                   7569:        debugging.
                   7570: 
                   7571:        * cp-parse.y (base_init, nodecls): Call keep_next_level to make
                   7572:        sure the BLOCK node is kept with the outermost curly braces of a
                   7573:        function.
                   7574:        (compstmt): For `{ }', insert a .pushlevel and do all of the other
                   7575:        stuff we need in every other compstmt situation, to generate proper
                   7576:        debugging for such things and handle the binding levels properly for
                   7577:        them.
                   7578: 
                   7579:        Thu Aug 19 18:24:25 1993  Mike Stump  ([email protected])
                   7580: 
                   7581:        * cp-init.c (build_vec_delete): Wrap void COND_EXPR in NOP_EXPR, so
                   7582:        that the backend does not abort when trying to use the void mode
                   7583:        expression.  Fixes make check (tString.o) in libg++.
                   7584: 
                   7585:        Thu Aug 19 12:21:12 1993  Brendan Kehoe  ([email protected])
                   7586: 
                   7587:        * cp-typeck.c (build_x_unary_op): When we receive an OFFSET_REF,
                   7588:        resolve it before looking for a way to handle the operation.
                   7589: 
                   7590:        * cp-method.c: Include ctype.h.
                   7591: 
                   7592:        Thu Aug 19 12:00:08 1993  Mike Stump  ([email protected])
                   7593: 
                   7594:        * cp-class.c, cp-search.c (NEW_SEARCH, NEW_CONVERT,
                   7595:        CHECK_convert_pointer_to_single_level): Remove ability to revert to
                   7596:        old code, and remove checks.  Cleans-up the code a little.
                   7597: 
                   7598:        Thu Aug 19 00:41:55 1993  Mike Stump  ([email protected])
                   7599: 
                   7600:        * cp-init.c (expand_aggr_init): Avoid faulting, give error instead.
                   7601: 
                   7602:        Wed Aug 18 22:43:25 1993  Mike Stump  ([email protected])
                   7603: 
                   7604:        * cp-lex.h (RID_BIT_TYPE, RIDBIT_SETP, RIDBIT_NOTSETP, RIDBIT_SET,
                   7605:        RIDBIT_RESET, RIDBIT_RESET_ALL, RIDBIT_ANY_SET): New RID macros,
                   7606:        replaces RIDBIT macro.  The new macros allow us to easily expand
                   7607:        past 32 RIDs.
                   7608:        * cp-decl.c (grokvardecl, grokdeclarator): Use them.
                   7609: 
                   7610:        * cp-decl.c (grokdeclarator): Implement `mutable' keyword.
                   7611:        * cp-lex.c (init_lex, ): Ditto.
                   7612:        * cp-lex.h (enum rid): Ditto.
                   7613:        * cp-ptree.c (print_lang_decl): Ditto.
                   7614:        * cp-tree.h (struct lang_decl_flags, DECL_MUTABLE_P): Ditto.
                   7615:        * cp-typeck.c (build_component_ref_1, build_component_ref): Ditto.
                   7616:        * gplus.gperf (mutable): Ditto.
                   7617:        * cp-hash.h: Regenerate.
                   7618: 
                   7619:        * cp-tree.h (struct lang_type): Fill out type_flags to multiple of 4
                   7620:        bytes for MIPS.
                   7621: 
                   7622:        Fri Aug 13 16:07:46 1993  Brendan Kehoe  ([email protected])
                   7623: 
                   7624:        * cp-lex.c (DEBUG_DEFAULT_FUNCTIONS): Take out the #undef, so we can
                   7625:        use the command line to turn this on.
                   7626: 
                   7627:        * cp-decl.c (grokdeclarator): Look for IDENTIFIER_TEMPLATE in the
                   7628:        name of current_class_type, not in current_class_type itself.
                   7629: 
                   7630:        * cp-decl.c (pushdecl): Change to also check TREE_PUBLIC on the decl
                   7631:        in question, and do a pedwarn_with_decl instead of
                   7632:        warning_with_decl for conflicting extern declarations.
                   7633: 
                   7634:        Fri Aug 13 12:26:41 1993  Brendan Kehoe  ([email protected])
                   7635: 
                   7636:        * cp-tree.h: Delete all the old PARANOID stuff, it's suffered
                   7637:        serious bit rot.
                   7638:        (PRINT_LANG_DECL, PRINT_LANG_TYPE): Deleted, not used anymore.
                   7639:        (LANG_ID_FIELD, SET_LANG_ID): New macros.
                   7640:        ({,SET_}IDENTIFIER_{LABEL_VALUE, IMPLICIT_DECL, AS_DESC, AS_LIST,
                   7641:        ERROR_LOCUS}): Redefine these macros to use the new LANG_ID_FIELD
                   7642:        and SET_LANG_ID ones, so everything is much cleaner and readable.
                   7643: 
                   7644:        * cp-decl.c (pushtag) [NEW_CLASS_SCOPING]: Push into the template's
                   7645:        class scope before trying to push the decl, and then pop back out.
                   7646:        (globalize_nested_type) [NEW_CLASS_SCOPING]: Asserts 348 and 349
                   7647:        aren't correct, shadow can come out to be null in some situations.
                   7648: 
                   7649:        Thu Aug 12 10:56:50 1993  Mike Stump  ([email protected])
                   7650: 
                   7651:        * cp-method.c (build_overload_name): Allow the debugger to
                   7652:        deterministically demangle names with more than 9 nested class
                   7653:        levels.
                   7654: 
                   7655:        Thu Aug 12 00:46:54 1993  Mike Stump  ([email protected])
                   7656: 
                   7657:        * cp-search.c (pushd_stack_level): Fix memory corruption problem.
                   7658:        Don't assume that the obstack won't move, because they will.  Among
                   7659:        other things, the fix allows one to nest classes upto 240 levels
                   7660:        deep, instead of 60 or so.
                   7661: 
                   7662:        Thu Aug 12 00:38:05 1993  Per Bothner  ([email protected])
                   7663: 
                   7664:        * cp-decl2.c (finish_file):  Use new get_file_function_name().
                   7665:        * cp-tree.h (FILE_FUNCTION_FORMAT):  No longer needed.
                   7666: 
                   7667:        Fri Aug  6 11:37:08 1993  Brendan Kehoe  ([email protected])
                   7668: 
                   7669:        * cp-decl.c (pop_binding_level) [DEBUG_CP_BINDING_LEVELS]: Don't
                   7670:        call abort, since we need to see where things end up.
                   7671: 
                   7672:        Fri Aug  6 11:13:57 1993  Mike Stump  ([email protected])
                   7673: 
                   7674:        * cp-class.c (finish_struct): Blast away old DECL_SIZE on
                   7675:        base_layout_decl so that the old value is not reused, but rather the
                   7676:        new value in the TREE_TYPE (TYPE_SIZE ()) will be.
                   7677: 
                   7678:        Thu Aug  5 18:45:26 1993  Mike Stump  ([email protected])
                   7679: 
                   7680:        * cp-init.c (emit_base_init): Move vbase vtable pointer init to very
                   7681:        end of base initialization code.  Completes July 30 change.  The
                   7682:        dynamic type of a virtual base should not be the type of the current
                   7683:        constructor, until after all bases are initialized.
                   7684: 
                   7685: Thu Aug 26 06:00:09 1993  Richard Kenner  ([email protected])
                   7686: 
                   7687:        * expr.c: (apply_args_register_offset): Don't use ANSI-style
                   7688:        definition.
                   7689: 
                   7690: Wed Aug 25 19:37:26 1993  Jeffrey A. Law  ([email protected])
                   7691: 
                   7692:        * expmed.c (store_bit_field): Do not use bitfield instructions for
                   7693:        STRICT_ALIGNMENT machines if the MEM's alignment isn't as big as
                   7694:        the MEM's mode.
                   7695: 
                   7696: Wed Aug 25 19:17:13 1993  Richard Kenner  ([email protected])
                   7697: 
                   7698:        * c-typeck.c (format_char_info_print_table, "p"): Allow width.
                   7699: 
                   7700: Tue Aug 24 18:36:31 1993  Richard Kenner  ([email protected])
                   7701: 
                   7702:        * rs6000.c (output_{pro,epi}log): Don't need no-ops after calls
                   7703:        to functions to save and restore FP regs.
                   7704: 
                   7705: Tue Aug 24 15:43:43 1993  Michael Meissner  ([email protected])
                   7706: 
                   7707:        * osfrose.h (SUBTARGET_SWITCHES): Add -mlarge-align and
                   7708:        -mword-align to control whether alignments of > 4 are honored.
                   7709:        (ASM_OUTPUT_ALIGN_CODE): If -mlarge-align allow alignments > 4.
                   7710:        (ASM_OUTPUT_ALIGN): Ditto.
                   7711:        (ASM_OUTPUT_LOOP_ALIGN): Always do a .align 2.
                   7712:        (FUNCTION_BLOCK_PROFILER): Define.
                   7713:        (BLOCK_PROFILER): Define.
                   7714: 
                   7715: Tue Aug 24 14:04:11 1993  Jeffrey A. Law  ([email protected])
                   7716: 
                   7717:        * pa.c (compute_frame_size): Always align stack to 64 byte
                   7718:        boundary.
                   7719: 
                   7720:        * pa.h (STACK_BOUNDARY): Stack pointer is 512 bit (64 byte)
                   7721:        aligned.
                   7722: 
                   7723:        * pa.c (output_call): Use ASM_OUTPUT_INTERNAL_LABEL instead of
                   7724:        output_asm_label.
                   7725: 
                   7726: Tue Aug 24 11:24:27 1993  Kresten Krab Thorup  ([email protected])
                   7727:  
                   7728:         * Merge of Objective C related changes since June 1.
                   7729:  
                   7730:         * objc/xforward.c, objc/mutex.h: Files removed.
                   7731:         * objc/encoding.[ch]: New files.
                   7732:        * objc/todo: File removed.
                   7733:  
                   7734:         Tue Jun  1 00:05:12 1993  Kresten Krab Thorup  ([email protected])
                   7735:  
                   7736:         * expr.c (apply_args_register_offset): New function
                   7737:         (apply_args_reg_offset): New variable
                   7738:         (apply_args_size): Added initialization of apply_args_reg_offset. 
                   7739:  
                   7740:         * objc-act.c (offset_is_register): New variable
                   7741:         (forwarding_offset): Use apply_args_register_offset to get
                   7742:         register offset.
                   7743:         (encode_method_def, encode_method_prototype): Prepend argument
                   7744:         offset by '+' if passed in register. 
                   7745:         (apply_args_register_offset): Added declaration.
                   7746:         
                   7747:         Sun Jun  6 20:57:03 1993  Kresten Krab Thorup  ([email protected])
                   7748:  
                   7749:         * objc/encoding.h, objc/encoding.c: New files.
                   7750:         * objc/Object.m (-performv): Use new objc_msg_sendv.
                   7751:         * objc/sendmsg.c (objc_msg_sendv): Use new encoding facilities.
                   7752:         * objc/objc.h (arglist_t): Data-definition changed.
                   7753:         * objc/xforward.c: File removed.
                   7754:         * objc/Makefile (sendmsg.c, fflags, xforward): Targets removed;
                   7755:         (OBJC_O): Added encoding.o;
                   7756:         (OBJC_H): Added encoding.h, removed mutex.h.
                   7757:  
                   7758:         * objc/objc.h (nil_method): Don't define it, import it from sendmsg.c.
                   7759:  
                   7760:         Wed Jun 16 17:39:56 1993  Kresten Krab Thorup  ([email protected])
                   7761:  
                   7762:         * objc/objc-api.h: (CLS_SETNUMBER): Clear old number
                   7763:         * objc/sendmsg.c (__objc_update_dispatch_table_for_class): 
                   7764:         Don't free dtable... (memory leak to make posing work)
                   7765:         * objc/class.c (class_pose_as): lazy copy dtables.
                   7766:         #include sarray.h
                   7767:  
                   7768:         Tue Jun 22 21:39:11 1993  Kresten Krab Thorup  (krab@xiv)
                   7769:  
                   7770:         * objc/class.c (class_pose_as): Rewritten
                   7771:         * objc/sendmsg.c (__objc_update_dispatch_table_for_class): 
                   7772:         Free old dispatch table and install a new.
                   7773:  
                   7774:         Tue Aug 24 00:41:35 1993  Kresten Krab Thorup  ([email protected])
                   7775:  
                   7776:         * objc-act.c (generate_method_descriptors, generate_ivar_lists,
                   7777:         generate_dispatch_tables): Reorganized use of constructors.
                   7778:         (build_descriptor_table_initializer, build_ivar_list_initializer,
                   7779:         build_dispatch_table_initializer): Removed argument `int *size'.  
                   7780:  
                   7781:         Tue Aug 24 00:52:04 1993  Kresten Krab Thorup  ([email protected])
                   7782:  
                   7783:         * objc/sendmsg.c (__objc_install_dispatch_table_for_class):
                   7784:         Dynamically expand dispatch table when full.
                   7785: 
                   7786: Mon Aug 23 19:37:33 1993  Jeffrey A. Law  ([email protected])
                   7787: 
                   7788:        * pa.h (TARGET_TRAILING_COLON): Delete switch.  TARGET_GAS now
                   7789:        controls the use of trailing colons.
                   7790: 
                   7791: Mon Aug 23 18:46:14 1993  Frederic Pierresteguy ([email protected])
                   7792: 
                   7793:        * config/m68k/dpx2g.h (ASM_LONG): Move from dpx2.h.
                   7794: 
                   7795:        * configure (m68k-bull-sysv): Add support for working with native 
                   7796:        assembler.
                   7797:        * config/m68k/dpx2.h (MOTOROLA): Define this.
                   7798:        (VERSADOS): This the name of the DPX2 assembler. Define this in case.
                   7799:        (USG): Define this.
                   7800:        (SGS_NO_LI): define this to suppress jump table usage.
                   7801:        (TARGET_DEFAULT): Define this to 3 inside the conditional USE_GAS 
                   7802:        since bitfields do not work a clean way on DPX2. 
                   7803:        (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, SELECT_SECTION,
                   7804:        SELECT_RTX_SECTION): #undef these.
                   7805:        (READONLY_DATA_SECTION): Define to data_section.
                   7806:        (*_ASM_OP, ASM_OUTPUT_*): Define these accordingly to the native 
                   7807:        assembler syntax.
                   7808:        (LONG_DOUBLE_TYPE_SIZE): Set to 64 to not use XFmode.
                   7809:        (REAL_ARITHMETIC): Define this to use the software floating point 
                   7810:        emulator.
                   7811:        (JUMP_TABLES_IN_TEXT_SECTION): Define this to 1.
                   7812:        (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Override m68k.h default.
                   7813:        (ASM_OUTPUT_ASCII): add a new variable to take care of the lentgh of
                   7814:        the operand field which must be < 80 chars.
                   7815:        (PRINT_OPERAND_ADDRESS): Override m68k.h default. 
                   7816:        (PUT_SDB_TYPE): Output type in decimal.
                   7817:        (PUT_SDB_FUNCTION_[START|END]): Override sdbout.c default. 
                   7818:        (PUT_SDB_BLOCK_[START|END]): Override sdbout.c default. 
                   7819: 
                   7820: Mon Aug 23 18:33:26 1993  Richard Kenner  ([email protected])
                   7821: 
                   7822:        * fold-const.c (twoval_comparison_p): Add new arg, SAVE_P; all
                   7823:        callers changed.
                   7824:        (fold, case EQ_EXPR): If SAVE_P is true after call to 
                   7825:        twoval_comparison_p, call save_expr on the expression we make.
                   7826: 
                   7827: Mon Aug 23 07:57:41 1993  Michael Meissner  ([email protected])
                   7828: 
                   7829:        * i386/osfrose.h (CC1_SPEC, CPP_SPEC): If NO_UNDERSCORE is
                   7830:        defined, the ELF compiler defaults to -mno-underscores to remove
                   7831:        leading underscores.  Clean up ROSE -pic options so that they are
                   7832:        never passed when building ELF objects.
                   7833:        * i386/osfelf.h: Likewise.
                   7834: 
                   7835: Sun Aug 22 23:36:24 1993  Jeffrey A. Law  ([email protected])
                   7836: 
                   7837:        * expr.c (expand_builtin_apply): Fix typo.
                   7838: 
                   7839:        * pa.md (untyped_call): New define_expand.
                   7840: 
                   7841: Fri Aug 20 12:24:50 1993  Ian Lance Taylor  ([email protected])
                   7842: 
                   7843:        * gcc.c (main): Correct August 6 change.
                   7844: 
                   7845: Thu Aug 19 19:19:19 1993  Jim Wilson  ([email protected])
                   7846: 
                   7847:        * combine.c (simplify_shift_const, XOR case): When applying
                   7848:        distributive law, use shift_mode and GET_MODE (varop) instead of
                   7849:        result_mode.
                   7850: 
                   7851: Thu Aug 19 08:28:50 1993  Richard Kenner  ([email protected])
                   7852: 
                   7853:        * rs6000.md (scc): Fix typo in scc with compare and set.
                   7854: 
                   7855:        * combine.c (can_combine_p): Don't reject SUBREG assignments here.
                   7856:        (subst): Instead, do it here, but also allow it in as a 
                   7857:        nested SUBREG since the inner one will be eliminated.
                   7858:        (simplify_and_const_int): Convert (and (neg X) (const_int 1))
                   7859:        to a shift when X is known to be either 0 or 1.
                   7860: 
                   7861:        * fold-const.c (fold): Handle EQ_EXPR and NE_EXPR where both
                   7862:        args are comparisons or BIT_AND_EXPR with constant 1.
                   7863: 
                   7864: Wed Aug 18 23:37:05 1993  Jim Wilson  ([email protected])
                   7865: 
                   7866:        * mips.h (SELECT_SECTION): Put object in sdata only if size is
                   7867:        known, i.e. greater than 0.
                   7868: 
                   7869: Wed Aug 18 17:48:51 1993  Richard Kenner  ([email protected])
                   7870: 
                   7871:        * combine.c (try_combine): Don't split a PARALLEL of a SIGN_EXTEND
                   7872:        and the object being sign extended if we have made assumptions
                   7873:        about the form the I2DEST.
                   7874: 
                   7875:        * combine.c (nonzero_bits): Handle case when BYTE_LOADS_EXTEND is
                   7876:        not on and we are asked for something in a mode wider than it.
                   7877: 
                   7878: Wed Aug 18 02:21:35 1993  Jeffrey A. Law  ([email protected])
                   7879: 
                   7880:        * pa.md (movdf insn): Distinguish between offsettable and
                   7881:        nonoffsettable memory locations when loading/storing a GR.
                   7882:        (movdi insn): Likewise.  Loading a DImode constant can take as
                   7883:        many as 4 insns (length of 16 bytes).
                   7884: 
                   7885:        * pa.md (zero_extendqihi2): No need to explicitly set a length;
                   7886:        the defaults are correct.
                   7887:        (zero_extendqisi2, floatsisf2, floatsidf2): Likewise.
                   7888:        (fix_truncdfsi2, fix_truncsfdi2, fix_truncdfdi2): Likewise.
                   7889: 
                   7890:        * pa.c (emit_move_sequence): Check both reload_in_progress and
                   7891:        reload_completed when choosing a scratch/temporary register.
                   7892: 
                   7893:        * pa.h (TARGET_KERNEL): Delete switch and all references to it.
                   7894:        * pa.c (emit_move_sequence): Always handle secondary reloads for
                   7895:        symbolic addresses.
                   7896:        (secondary_reload_class): Symbolic operands always need a secondary 
                   7897:        reload from R1_REGS if their target class is not R1_REGS.
                   7898:        * pa.md (HIGH for symbolic operands): TARGET_KERNEL version is now
                   7899:        the only choice.  Delete ! TARGET_KERNEL version.
                   7900: 
                   7901:        * pa.h (DEFAULT_GDB_EXTENSIONS): GDB extensiosn are on by default.
                   7902:        * pa-hpux.h (DEFAULT_GDB_EXTENSIONS): Turn GDB extensions off.
                   7903:        * pa-hpux7.h (DEFAULT_GDB_EXTENSIONS): Likewise.
                   7904: 
                   7905:        * pa.h (TARGET_GAS): New target flag to control use of GAS
                   7906:        specific assembler directives.
                   7907:        (TARGET_SWITCHES): Support -mgas and -mno-gas.
                   7908:        (ASM_DECLARE_FUNCTION_NAME): If TARGET_GAS then emit .PARAM
                   7909:        directives for static functions so argument relocations work.
                   7910:        * pa-ghpux.h (TARGET_DEFAULT): Enable TARGET_GAS.
                   7911:        * pa-gux7.h, pa-utahmach.h, pa.h (TARGET_DEFAULT): Likewise.
                   7912:        * pa1-ghpux.h, pa1-utahmach.h, pa1.h (TARGET_DEFAULT): Likewise.
                   7913: 
                   7914:        * pa.c (hppa_legitimize_address): Rework address computation for
                   7915:        x[n - m] so that problems with implicit space register selection
                   7916:        are avoided.
                   7917: 
                   7918:        * pa.h (EXTRA_CONSTRAINT): Delete unused 'S' constraint.
                   7919:        * pa.md (call_internal_symref): Make pattern unavailable if
                   7920:        TARGET_LONG_CALLS.
                   7921:        (call_value_internal_symref): Likewise.
                   7922: 
                   7923: Mon Aug 16 18:47:56 1993  Richard Kenner  ([email protected])
                   7924: 
                   7925:        From [email protected]:
                   7926:        * encore.h, ns32k.h (ASM_OUTPUT_ADDR_DIFF_ELT): Use .double instead
                   7927:        of .word.
                   7928:        * ns32k.h (CASE_VECTOR_MODE): Now SImode; was HImode.
                   7929:        * ns32k.md (tablejump): Now SImode and uses cased.
                   7930: 
                   7931:        * fold-const.c (fold, case EQ_EXPR): Re-enable converting
                   7932:        signed MOD operations to unsigned when inside comparisons
                   7933:        against zero, but only when the second operand of the MOD
                   7934:        is an integral power of two.
                   7935: 
                   7936: Mon Aug 16 12:38:28 1993  John Hassey  ([email protected])
                   7937: 
                   7938:        * fixinc.dgux: Fixed va_list problem in _int_varargs.h
                   7939: 
                   7940: Mon Aug 16 11:26:57 1993  Kevin Buettner  ([email protected])
                   7941: 
                   7942:        * configure (m88k-mot-sysv4*): Added new configuration for m88k
                   7943:        delta machines running svr4.
                   7944: 
                   7945:        * config/m88k/mot-sysv4.h: New file.
                   7946: 
                   7947: Mon Aug 16 11:16:32 1993  Richard Earnshaw ([email protected])
                   7948: 
                   7949:        * combine.c: (use_crosses_set_p): Check for partially overlapping
                   7950:        hard regs.
                   7951: 
                   7952: Sun Aug 15 20:17:20 1993  Jeffrey A. Law  ([email protected])
                   7953: 
                   7954:        * reorg.c (find_end_label): If a suitable RETURN insn exists at
                   7955:        the end of the current function, place a label in front of it for
                   7956:        the end_of_function_label.
                   7957: 
                   7958: Fri Aug 13 16:40:03 1993  Pat Rankin  ([email protected])
                   7959: 
                   7960:        * c-typeck.c (check_format): For scan of "%[", skip over scan set
                   7961:         til closing ']' to avoid processing it as ordinary format characters.
                   7962: 
                   7963: Fri Aug 13 16:02:23 1993  Chip Salzenberg  ([email protected])
                   7964: 
                   7965:        * c-common.c (declare_hidden_char_array): New function to
                   7966:        factor out duplicate code in declare_function_name.
                   7967:        Don't set DECL_EXTERNAL (which is illegal without TREE_PUBLIC)
                   7968:        to prevent output; instead, set TREE_ASM_WRITTEN.
                   7969:        (declare_function_name): Use declare_hidden_char_array.
                   7970: 
                   7971: Fri Aug 13 14:58:52 1993  Richard Stallman  ([email protected])
                   7972: 
                   7973:        * config/ns32k/encore.h (ASM_OUTPUT_ALIGN_CODE): Override as no-op.
                   7974: 
                   7975: Fri Aug 13 14:29:17 1993  Stephen Moshier  ([email protected])
                   7976: 
                   7977:        * sparc.h (LONG_DOUBLE_TYPE_SIZE): Define to 128.
                   7978: 
                   7979:        * real.c (GET_REAL, PUT_REAL): Add TFmode versions.
                   7980:        (MAXDECEXP, MINDECEXP): New decimal exponent limits
                   7981:        that vary with definition of LONG_DOUBLE_TYPE_SIZE.
                   7982:        (endian, ereal_atof, real_value_truncate, einfin, emdnorm, asctoeg):
                   7983:        Add cases for TFmode.
                   7984:        (etartdouble): New function converts REAL_VALUE_TYPE to TFmode
                   7985:        for use by ASM_OUTPUT_LONG_DOUBLE.
                   7986:        (edivm, emulm): Ifdef out, replace by faster multiply and divide.
                   7987:        (etoe113, toe113, e113toe): New type conversions for TFmode.
                   7988:        (asctoe113, e113toasc): New TFmode binary <-> decimal conversions.
                   7989:        (at top level): Define constants ezero, eone, emtens, etens, ...
                   7990:        in a new 20-byte format when LONG_DOUBLE_TYPE_SIZE = 128 and
                   7991:        set NE to 10.  Otherwise, the internal format remains 12 bytes wide.
                   7992:        (etoudi, etodi, ditoe, uditoe): New functions, signed and unsigned
                   7993:        DImode float and fix, for real.c used in a libgcc-of-last-resort.
                   7994:        (esqrt): New function, correctly rounded square root for libgcc.
                   7995:        (etodec): Delete ifdef'd version.
                   7996:        (eroundi, eroundui): Rename to efixi, efixui and always
                   7997:        round towards zero.
                   7998: 
                   7999:        From [email protected] (Frank Crawford):
                   8000:        (etoibm, toibm, ibmtoe): New conversions for IBM 370 float format.
                   8001:        (e53toe, e64toe, toe64, etoe53, toe53, etoe24, toe24, asctoe53,
                   8002:        asctoeg, make_nan): Ifdef for IBM.
                   8003: 
                   8004:        * real.h (REAL_VALUE_TYPE): Define array at least 20 bytes wide
                   8005:        if LONG_DOUBLE_TYPE_SIZE is 128 bits.
                   8006:        (etartdouble): Declare and use for REAL_VALUE_TO_TARGET_LONG_DOUBLE
                   8007:        when long double is TFmode.
                   8008:        (REAL_VALUE_FIX, REAL_VALUE_UNSIGNED_FIX): Must always round
                   8009:        towards zero.
                   8010: 
                   8011: Fri Aug 13 07:50:42 1993  Richard Kenner  ([email protected])
                   8012: 
                   8013:        * expr.c (expand_expr, case SAVE_EXPR): Set MEM_IN_STRUCT_P
                   8014:        appropriately when the result is a MEM.
                   8015: 
                   8016:        * integrate.c (expand_inline_function): Copy args that are in
                   8017:        hard regs instead of substituting them directly into insns.
                   8018: 
                   8019:        * rs6000.md (subsi3): Merge alternatives.
                   8020:        (comparison patterns): Eliminate generation of "sfi."; no such
                   8021:        instruction exists.
                   8022: 
                   8023: Thu Aug 12 21:24:01 1993  Richard Stallman  ([email protected])
                   8024: 
                   8025:        * config/m68k/sun3.h (CPP_PREDEFINES): Define _CROSS_TARGET_ARCH.
                   8026: 
                   8027: Thu Aug 12 19:02:47 1993  Richard Kenner  ([email protected])
                   8028: 
                   8029:        * rs6000.md (attribute "type"): Add new type, "branch".
                   8030:        (attribute "length"): New attribute; put on all insns that don't
                   8031:        have default length.
                   8032:        (branch patterns): If conditional branch won't reach, take
                   8033:        conditional branch around an unconditional branch.
                   8034: 
                   8035:        * rs6000.md (plus): Split (plus (COMPARISON FOO ...) ...) at FOO.
                   8036: 
                   8037: Thu Aug 12 14:04:40 1993  Michael Meissner  ([email protected])
                   8038: 
                   8039:        * i386/osfrose.h (SUBTARGET_SWITCHES): Add -munderscores and
                   8040:        -mno-underscores.
                   8041:        (CPP_SPEC): If -mno-underscores, define __NO_UNDERSCORES__.
                   8042:        (LPREFIX): Redefine, to take -m{,no-}underscores into account.
                   8043:        (ASM_GENERATE_INTERNAL_LABEL): Ditto.
                   8044:        (ASM_OUTPUT_INTERNAL_LABEL): Ditto.
                   8045:        (ASM_OUTPUT_LABELREF): Ditto.
                   8046: 
                   8047:        * i386/osfelf.h (CPP_SPEC): If -mno-underscores, define
                   8048:        __NO_UNDERSCORES__.
                   8049: 
                   8050:        * c-decl.c (pushdecl): Don't give nested warning messages if
                   8051:        DECL_IN_SYSTEM_HEADER is set in order not to give warnings when
                   8052:        defining new instances of __FUNCTION__ and __PRETTY_FUNCTION__.
                   8053: 
                   8054: Thu Aug 12 13:42:04 1993  Jim Wilson  ([email protected])
                   8055: 
                   8056:        * sparc.c (legitimize_pic_address): Delete 4th arg SCRATCH.
                   8057:        Fix all callers.
                   8058:        (emit_move_sequence): Delete 3rd arg SCRATCH_REG.  Fix all
                   8059:        callers.  If operand1 is an invalid PIC address, then legitimize
                   8060:        it before doing anything else.
                   8061:        * sparc.h (SECONDARY_INPUT_RELOAD_CLASS): Delete case for invalid
                   8062:        PIC addresses.
                   8063:        (CONSTANT_ADDRESS_P): Reject invalid PIC addresses.
                   8064:        (LEGITIMATE_PIC_OPERAND_P): New macro.
                   8065:        (GO_IF_LEGITIMATE_ADDRESS): Reject invalid PIC addresses.
                   8066:        (LEGITIMIZE_ADDRESS): Fix call to legitimize_pic_address.
                   8067:        * sparc.md (reload_insi): Delete.
                   8068:        (*): Fix all callers of legitimize_pic_address and emit_move_sequence.
                   8069: 
                   8070:        * sched.c (sched_analyze_insn): Handle USE before a JUMP_INSN just
                   8071:        like a USE before a CALL_INSN.
                   8072:        * function.c (thread_prologue_and_epilogue_insns): For the
                   8073:        epilogue, put USE insns immediately before the return insn.
                   8074: 
                   8075:        * sparc.h (ASM_OUTPUT_DOUBLE): Always use REAL_VALUE_TO_TARGET_DOUBLE.
                   8076:        (ASM_OUTPUT_FLOAT): Always use REAL_VALUE_TO_TARGET_SINGLE.
                   8077: 
                   8078: Wed Aug 11 19:48:24 1993  Per Bothner  ([email protected])
                   8079: 
                   8080:        * tree.c (get_file_function_name):  New function
                   8081:        for language-independent constructor name generation.
                   8082:        * objc-act.c (build_module_descriptor):  Use it.
                   8083:        * tree.h (CONSTRUCTOR_NAME_FORMAT): Removed.
                   8084: 
                   8085: Wed Aug 11 19:50:05 1993  Jeffrey A. Law  ([email protected])
                   8086: 
                   8087:        * reorg.c (try_merge_delay_insns): Fix typo.
                   8088:        (fill_simple_delay_slots): Only access the JUMP_LABEL field
                   8089:        if the INSN needing delay slots is a JUMP_INSN.
                   8090: 
                   8091: Wed Aug 11 15:09:52 1993  Michael Meissner  ([email protected])
                   8092: 
                   8093:        * c-typeck.c (output_init_element): Don't call default_conversion
                   8094:        for a STRING_CST if type is directly suitable for it.
                   8095:        (digest_init): Eliminate a lot of code that checks the variable
                   8096:        'element', since element is always 0 in these code paths.
                   8097: 
                   8098: Wed Aug 11 17:59:28 1993  Richard Kenner  ([email protected])
                   8099: 
                   8100:        * combine.c (combine_instructions): Fix typo on test of basic block
                   8101:        number.
                   8102: 
                   8103: Wed Aug 11 17:44:38 1993  Richard Stallman  ([email protected])
                   8104: 
                   8105:        * configure (m68k-hp-bsd4.4*): Add missing *;
                   8106:        move before m68k-hp-bsd*.
                   8107: 
                   8108: Wed Aug 11 09:21:56 1993  Ian Lance Taylor  ([email protected])
                   8109: 
                   8110:        * fixincludes: Get SIZE_TYPE by invoking gcc rather than cc; gcc
                   8111:        location is passed in as fourth argument.
                   8112:        * Makefile.in (stmp-fixinc): Depend upon xgcc and cpp; pass
                   8113:        objdir/xgcc -Bobjdir/ as fourth argument to $(FIXINCLUDES).
                   8114: 
                   8115: Tue Aug 10 15:12:11 1993  Jim Wilson  ([email protected])
                   8116: 
                   8117:        * cse.c (cse_insn): After inserting src_eqv, check to see if it is
                   8118:        identical to any uninserted SET_SRCs, and if so, set their src_elt
                   8119:        to src_eqv_elt.
                   8120: 
                   8121: Tue Aug 10 12:56:46 1993  Jeffrey A. Law  ([email protected])
                   8122: 
                   8123:        * pa.h (DOLLARS_IN_IDENTIFIERS): Define as 2.
                   8124: 
                   8125: Mon Aug  9 19:02:49 1993  Per Bothner  ([email protected])
                   8126: 
                   8127:        Merged fixproto stuff from Cygnus.
                   8128: 
                   8129:        Fri Aug  6 12:23:04 1993  Per Bothner  ([email protected])
                   8130: 
                   8131:        * fixproto, Makefile.in:  Rename tmp.[ci] -> fixtmp.[ci].
                   8132: 
                   8133:        Tue Aug  3 22:24:58 1993  Per Bothner  ([email protected])
                   8134: 
                   8135:        * fixproto:  Find not only nested directories, but also
                   8136:        links to directories.
                   8137: 
                   8138:        Mon Aug  2 18:58:35 1993  Per Bothner  ([email protected])
                   8139: 
                   8140:        * fixproto:  Add kludge to getting hit by double globbing.
                   8141:        * scan-types.sh:  Fix to emit #define, not a typedef.
                   8142:        * patch-header.c (main):  Make sure to print a space after
                   8143:        a function name when we didn't see a '('.
                   8144:        * Makefile.in (stmp-fixproto): Fix so (/*...*/) becomes ().
                   8145: 
                   8146:        Fri Jul 30 17:18:22 1993  Per Bothner  ([email protected])
                   8147: 
                   8148:        * fixproto:  Append seen files to fixproto.list file,
                   8149:        instead of done_files variable (which could become too long).
                   8150:        * fixproto:  Don't generate a huge rel_souce_files variable
                   8151:        (which might become too long);  instead loop over directories.
                   8152:        * fixproto:  Remove signal() from list of required functions
                   8153:        for signal.h, because we can't grok its complicted prototype.
                   8154:        * Makefile.in (mostlyclean):  Also delete fixproto.list.
                   8155: 
                   8156:        Thu Jul 29 12:43:53 1993  Per Bothner  ([email protected])
                   8157: 
                   8158:        * scan-decls.c (skip_to_enclosing_brace):  New function.
                   8159:        * scan-decls.c (main):  After a parameter list, skip
                   8160:        any following function body (usually for inline functions).
                   8161: 
                   8162:        * fixproto:  Fix to make sure stdlib.h and unistd.h get
                   8163:        the proper required_list, even when they need to be created.
                   8164:        * fixproto:  Direct cpp error messages to /dev/null.
                   8165:        * patch-header.c:  Make less verbose.
                   8166: 
                   8167:        Wed Jul 28 16:12:39 1993  Per Bothner  ([email protected])
                   8168: 
                   8169:        * fixproto:  Rewrite to use a case statement instead of eval to
                   8170:        set required_list and extra_check_list.
                   8171:        * fixproto:  Simplify remaining call to tr improving portability.
                   8172: 
                   8173:        * scan-decl:  Recognize inline functions, emitting typecode 'I'.
                   8174:        * patch-header (read_scan_file):  Handle inline functions.
                   8175:        * patch-header (read_scan_file):  Fix thinko.  Rename variable.
                   8176: 
                   8177: Mon Aug  9 17:47:48 1993  Richard Stallman  ([email protected])
                   8178: 
                   8179:        * c-typeck.c (build_c_cast): For (void *) (FOO *) 0, return a nop_expr
                   8180:        so it doesn't count as a null pointer constant.
                   8181:        (convert_for_assignment, build_binary_op): Pedantically warn about
                   8182:        that case if looking for a null_pointer_constant.
                   8183:        (build_conditional_expr): Likewise.
                   8184: 
                   8185:        * ns32k.c (output_move_double): Fix typos in last change.
                   8186: 
                   8187:        * expr.c (store_expr): Don't return TEMP if it's a MEM.
                   8188: 
                   8189: Mon Aug  9 15:26:27 1993  Jim Wilson  ([email protected])
                   8190: 
                   8191:        * varasm.c (assembler_variable): For XCOFF_DEBUG, restore section
                   8192:        if dbxout_symbol call changes it.
                   8193: 
                   8194:        * sched.c (schedule_insns): Don't emit a NOTE at the end of the last
                   8195:        basic block if that would put it between a JUMP_INSN and a BARRIER.
                   8196: 
                   8197:        * mips.h (OPTIMIZATION_OPTIONS): Use |=, not &= to set -mpgopt.
                   8198:        * mips.c (function_arg, DFmode case): Set regbase to GP_ARG_FIRST
                   8199:        if cum->arg_number greater than or equal to 2.
                   8200: 
                   8201: Mon Aug  9 07:31:07 1993  Richard Kenner  ([email protected])
                   8202: 
                   8203:        * optabs.c (widen_operand): New function.
                   8204:        (expand_binop, expand_unop): Call it.
                   8205: 
                   8206: Sun Aug  8 17:32:04 1993  Richard Kenner  ([email protected])
                   8207: 
                   8208:        * combine.c (num_sign_bit_copies): Properly handle case when MODE is
                   8209:        narrower than that of X.
                   8210:        (simplify_shift_const): Remove change of July 26.
                   8211: 
                   8212: Sun Aug  8 17:26:57 1993  Jim Wilson  ([email protected])
                   8213: 
                   8214:        * sparc.c (sparc_type_code): Support range types.
                   8215: 
                   8216:        * expr.c (expand_increment): Call save_expr on inner expression if
                   8217:        it is itself an increment expression.
                   8218: 
                   8219:        * configure (*-*-riscos*): Set broken_install.
                   8220:        (mips-*-riscos[56789]sysv4): Use xm-sysv4.h.
                   8221:        * mips/xm-sysv4.h: New file.
                   8222:        * mips/svr3-5.h, mips/svr4-5.h (_SC_PAGE_SIZE): Define to
                   8223:        _SC_PAGESIZE if that exists.
                   8224: 
                   8225:        * sparc.h (CONST_DOUBLE_OK_FOR_LETTER_P): Use fp_zero_operand.
                   8226:        * sparc.c (reg_or_0_operand): Use fp_zero_operand.
                   8227:        (fp_zero_operand): New function.
                   8228: 
                   8229:        * c-typeck.c (build_array_ref): Force array to be allocated on the
                   8230:        stack if it is accessed by out-of-bound constant integer subscript.
                   8231: 
                   8232:        * configure (mips-*): Standardize indentation.
                   8233:        (mips-*-*bsd*): Use t-bsd and t-bsd-gas.
                   8234:        (mips-*-*sysv4*): Use t-svr4 and t-svr4-gas.
                   8235:        (mips-*-*sysv*): Use t-svr3 and t-svr3-gas.
                   8236:        * mips/t-bsd, mips/t-bsd-gas, mips/t-svr3, mips/t-svr3-gas,
                   8237:        mips/t-svr4, mips/t-svr4-gas: New files.
                   8238: 
                   8239: Sun Aug  8 11:33:51 1993  John F Carr  ([email protected])
                   8240: 
                   8241:        * expmed.c (SLOW_UNALIGNED_ACCESS): Define, but allow override.
                   8242:        (store_bit_field): Test that instead of STRICT_ALIGNMENT.
                   8243:        Also, allow fetching as non-bitfield if memory is aligned enough.
                   8244:        (extract_bit_field): Install code here like that in store_bit_field.
                   8245: 
                   8246: Sun Aug  8 04:26:21 1993  Richard Stallman  ([email protected])
                   8247: 
                   8248:        * expr.c (expand_assignment): If WANT_VALUE is 0, return NULL.
                   8249:        (store_expr): Likewise.
                   8250:        Rename arg SUGGEST_REG to WANT_VALUE.
                   8251:        Never return TARGET if WANT_VALUE unless BLKmode.
                   8252:        Instead, return TEMP or a value copied from TARGET.
                   8253:        Pass 0 for WANT_VALUE in recursive calls that ignore value.
                   8254: 
                   8255:        * varasm.c (contains_pointers_p): New function.
                   8256:        (assemble_variable): Use that.
                   8257: 
                   8258:        * toplev.c (rest_of_decl_compilation): Don't look at DECL_IGNORED_P.
                   8259:        Don't output a read-only initialized extern variable.
                   8260: 
                   8261:        * c-common.c (declare_function_name): Set DECL_EXTERNAL in the decls.
                   8262: 
                   8263: Sat Aug  7 22:25:42 1993  Richard Stallman  ([email protected])
                   8264: 
                   8265:        * c-typeck.c (process_init_element): Don't call clear_momentary
                   8266:        if value is 0.
                   8267: 
                   8268: Sat Aug  7 15:53:06 1993  Doug Evans  ([email protected])
                   8269: 
                   8270:        * caller-save.c (MAX_MOVE_MAX, MAX_UNITS_PER_WORD): New macros.
                   8271:         (regno_save_mode, regno_save_mem): Use them.
                   8272:         * tm.texi (MAX_MOVE_MAX, MAX_UNITS_PER_WORD): Document them.
                   8273: 
                   8274:        * c-decl.c (init_decl_processing): Make long long available to
                   8275:        use for SIZE_TYPE and PTRDIFF_TYPE.
                   8276: 
                   8277: Sat Aug  7 14:47:12 1993  Richard Stallman  ([email protected])
                   8278: 
                   8279:        * config/ns32k/ns32k.md (strict_low_part add/subtract recognizers):
                   8280:        Use %2, not %1, in template.
                   8281: 
                   8282: Sat Aug  7 07:40:28 1993  Richard Kenner  ([email protected])
                   8283: 
                   8284:        * reload.c (find_reloads): Don't combine two reloads if their
                   8285:        reload_reg_rtx values differ.
                   8286: 
                   8287:        * alpha.c (add_long_const): New function.
                   8288:        (output_{pro,epi}log): Use it.
                   8289:        If register save area is more than 32768 from SP, compute its
                   8290:        address into a register.
                   8291: 
                   8292:        * expmed.c (expand_divmod): Clean up code and documentation,
                   8293:        especially in areas related to when copies are made.
                   8294: 
                   8295:        * reload.c (push_reload, find_reloads): Treat (subreg (pseudo))
                   8296:        and (subreg (mem)) the same.
                   8297:        If we have (subreg:M1 (mem:M2 ...) ...), never do anything
                   8298:        special if M1 and M2 are the same size.
                   8299: 
                   8300:        * tree.c (print_obstack_name): New function; derived from
                   8301:        original debug_obstack.
                   8302:        (debug_obstack): Call print_obstack_name.
                   8303:        * print-tree.c (print_node): Print obstack node is contained in.
                   8304: 
                   8305: Sat Aug  7 04:47:43 1993  Richard Stallman  ([email protected])
                   8306: 
                   8307:        * c-decl.c (finish_decl): Allow file-scope static incomplete array.
                   8308: 
                   8309: Fri Aug  6 13:03:27 1993  Jim Wilson  ([email protected])
                   8310: 
                   8311:        * expr.c (expand_expr, case PLUS_EXPR): Goto binop2 not
                   8312:        both_summands if we should not be returning a plus.
                   8313: 
                   8314: Fri Aug  6 16:35:50 1993  Richard Stallman  ([email protected])
                   8315: 
                   8316:        * config/m68k/m68k.md (call and call_value pic recognizers) [HPUX_ASM]:
                   8317:        Output plain bsr, without `@PLTPC'.
                   8318: 
                   8319: Fri Aug  6 16:12:08 1993  Richard Kenner  ([email protected])
                   8320: 
                   8321:        * alpha.c (reg_or_6bit_operand): New function.
                   8322:        * alpha.h (PREDICATE_CODES): Add reg_or_6bit_operand to list.
                   8323:        * alpha.md (shifts): Use reg_or_6bit_operand for shift counts.
                   8324: 
                   8325: Fri Aug  6 15:57:58 1993  Ian Lance Taylor  ([email protected])
                   8326: 
                   8327:        * gcc.c (main): If standard_startfile_prefix is a relative path,
                   8328:        prepend standard_exec_prefix/MACHINE/VERSION and, if
                   8329:        GCC_EXEC_PREFIX is defined, GCC_EXEC_PREFIX/MACHINE/VERSION.
                   8330: 
                   8331:        * configure: If config.status did not change, don't update its
                   8332:        modification time.
                   8333: 
                   8334: Fri Aug  6 15:23:49 1993  Richard Stallman  ([email protected])
                   8335: 
                   8336:        * c-typeck.c (output_init_element): Fix backward test in last change.
                   8337:        Use TYPE_MAIN_VARIANT.
                   8338: 
                   8339: Fri Aug  6 06:43:09 1993  Michael Meissner  ([email protected])
                   8340: 
                   8341:        * g++.c (fancy_abort): Provide function in case user does
                   8342:        #define abort fancy_abort when building GCC.
                   8343: 
                   8344: Fri Aug  6 00:15:21 1993  Richard Stallman  ([email protected])
                   8345: 
                   8346:        * cccp.c (main): If -v, print header search dir list.
                   8347: 
                   8348:        * c-typeck.c (output_init_element): Call default_conversion here.
                   8349:        Set constructor_erroneous, etc., here.
                   8350:        (process_init_element): Not here.
                   8351: 
                   8352: Thu Aug  5 20:55:47 1993  Brendan Kehoe  ([email protected])
                   8353: 
                   8354:        Cygnus<->FSF merge.
                   8355: 
                   8356:        Thu Aug  5 17:07:20 1993  Brendan Kehoe  ([email protected])
                   8357: 
                   8358:        * cp-class.c (build_vtable, prepare_fresh_vtable): Turn on
                   8359:        WRITABLE_VTABLES stuff that I disabled July 30th.
                   8360:        * cp-pt.c: Include flags.h to get write_symbols.
                   8361: 
                   8362:        Thu Aug  5 15:50:25 1993  Mike Stump  ([email protected])
                   8363: 
                   8364:        * cp-class.c (finish_struct): Make DWARF conditional code, really
                   8365:        DWARF conditional (write_symbols == DWARF_DEBUG).
                   8366:        * cp-decl.c (pushtag): Ditto.
                   8367:        * cp-decl2.c (finish_vtable_vardecl): Ditto.
                   8368:        * cp-pt.c (end_template_instantiation): Ditto.
                   8369:        * cp-search.c (dfs_debug_mark): Ditto.
                   8370: 
                   8371:        Wed Aug  4 15:42:19 1993  Brendan Kehoe  ([email protected])
                   8372: 
                   8373:        * cp-typeck.c (build_object_ref): Pass the original basetype, not
                   8374:        the type value of it, into build_scoped_ref (completes change of
                   8375:        Jul 1).
                   8376: 
                   8377:        Wed Aug  4 14:40:35 1993  Mike Stump  ([email protected])
                   8378: 
                   8379:        * cp-class.c (related_vslot): Additional check to make sure vslots
                   8380:        are related.
                   8381:        * cp-class.c (modify_vtable_entries): Use DECL_CONTEXT, not
                   8382:        DECL_CLASS_CONTEXT when finding the vtable to put the virtual
                   8383:        function in, as otherwise we might not be able to find secondary
                   8384:        vtables.  Ensures that the virtual function pointer will be put in
                   8385:        the correct vtable, instead of the wrong one.
                   8386:        * cp-class.c (modify_vtable_entry): Delete unused argument context.
                   8387:        * cp-class.c (modify_vtable_entries): Ditto.
                   8388: 
                   8389:        Tue Aug  3 08:24:50 1993  Brendan Kehoe  ([email protected])
                   8390: 
                   8391:        * cp-init.c (nc_nelts_field_id): New variable to cache the value of
                   8392:        the "nelts" identifier, to avoid unnecessary calls to get_identifier.
                   8393:        (init_init_processing): Use it.
                   8394:        (build_new): Likewise.
                   8395:        (build_vec_delete): Likewise.
                   8396: 
                   8397:        * cp-decl2.c (walk_vtables): Make sure the type of VARS isn't an
                   8398:        error_mark_node when we're running down the list.
                   8399: 
                   8400:        * cp-decl.c (grokdeclarator): Give an error and return an
                   8401:        error_mark_node, instead of saying sorry, when we're dealing with a
                   8402:        structure that's not yet been defined.   Make sure type isn't an
                   8403:        error_mark_node when looking for an anonymous type.
                   8404: 
                   8405:        * cp-pt.c (end_template_instantiation): If we're supplying dwarf
                   8406:        debug info, set up the TYPE_STUB_DECL and output the rest of the
                   8407:        debug output for the decl.
                   8408: 
                   8409:        * cp-search.c (pop_search_level): Change from a macro into a
                   8410:        function, so we can more easily debug it.
                   8411: 
                   8412:        * cp-search.c (dfs_debug_mark): Only mark the type name as ignored
                   8413:        if we aren't doing dwarf debugging.
                   8414: 
                   8415:        * cp-typeck.c (build_unary_op): Only allow the prefix operators to
                   8416:        be lvalues, not the postfix ones.
                   8417: 
                   8418:        * cp-decl.c (duplicate_decls): Delete the code that saved and
                   8419:        restored the UID of a decl, it's no longer necessary.
                   8420: 
                   8421:        * cp-call.c (compute_conversion_costs_ansi): Avoid generating
                   8422:        warnings when we call build_type_conversion.
                   8423: 
                   8424:        Mon Aug  2 17:56:36 1993  Brendan Kehoe  ([email protected])
                   8425: 
                   8426:        * cp-decl.c (start_function): Complain about redeclaration of a
                   8427:        template function, being careful to only deal with pre-parsed
                   8428:        declarations that *are* in fact from templates.
                   8429: 
                   8430:        Fri Jul 30 18:03:10 1993  Brendan Kehoe  ([email protected])
                   8431: 
                   8432:        * cp-class.c, cp-decl.c, cp-pt.c, cp-tree.h: Delete all of the old
                   8433:        code for DEBUG_CP_BINDING_LEVELS, and replace it with a new, cleaner,
                   8434:        and more usable format.
                   8435: 
                   8436:        Fri Jul 30 17:06:24 1993  Brendan Kehoe  ([email protected])
                   8437: 
                   8438:        * cp-class.c (build_vtable, prepare_fresh_vtable): Temporarily
                   8439:        disable the change of June 20th making vtables readonly by default.
                   8440: 
                   8441:        Fri Jul 30 14:47:09 1993  Mike Stump  ([email protected])
                   8442: 
                   8443:        * cp-init.c (emit_base_init): Make sure we initialize the pointer to
                   8444:        vtables even when we are not in charge.  Fixes virtual calls to derived
                   8445:        objects that have a static base type, so that they call derived
                   8446:        functions, not base functions.
                   8447:        * cp-search.c (build_vbase_vtables_init): Change comments to reflect
                   8448:        uses of last argument more accurately.  Also rename last argument to
                   8449:        a better name.
                   8450: 
                   8451:        Wed Jul 28 16:23:52 1993  Brendan Kehoe  ([email protected])
                   8452: 
                   8453:        * cp-search.c (build_type_pathname): Deleted fn.
                   8454:        * cp-class.c (build_type_pathname): Moved to here and made static,
                   8455:        since prepare_fresh_vtable is the only fn that ever uses it.
                   8456:        * cp-tree.h (build_type_pathname): Deleted prototype.
                   8457: 
                   8458:        * g++.c (error) [!HAVE_VFPRINTF]: Move before fatal to avoid an
                   8459:        implicit declaration.
                   8460: 
                   8461:        Wed Jul 28 13:49:58 1993  david d `zoo' zuhn  ([email protected])
                   8462: 
                   8463:        * Makefile.in (g++-cross): Add an explicit $(srcdir) for g++.c, pass
                   8464:        the quotes as part of GCC_NAME
                   8465: 
                   8466:        * g++.c: only define GCC_NAME if it's already undefined
                   8467: 
                   8468:        Tue Jul 27 10:48:30 1993  Brendan Kehoe  ([email protected])
                   8469: 
                   8470:        * cp-decl.c (finish_decl): Don't error on uninitialized const
                   8471:        arrays.  Use error, not error_with_decl, so we know what really
                   8472:        brought about the problems.
                   8473: 
                   8474:        * g++.c: New file, written in C so we don't do so many exec's, as we
                   8475:        did with the shell script.
                   8476:        * g++, c++: Deleted.
                   8477:        * Makefile.in (STAGESTUFF): Added g++ and g++-cross.
                   8478:        (all.cross): Added g++-cross.
                   8479:        (all.build): Depend upon g++.
                   8480:        (g++, g++-cross): New rules.
                   8481:        (install-common): Depend upon g++.  Changed installation of g++/c++
                   8482:        to install the g++ program, and link c++ to it.  Likewise for
                   8483:        g++-cross and c++-cross.
                   8484: 
                   8485:        Mon Jul 26 09:40:37 1993  Brendan Kehoe  ([email protected])
                   8486: 
                   8487:        * cp-typeck.c (build_unary_op) [case ADDR_EXPR]: When taking the
                   8488:        address of an increment/decrement operation, act on the thing
                   8489:        being incremented, not the ..._EXPR itself.
                   8490: 
                   8491:        Fri Jul 23 08:33:32 1993  Brendan Kehoe  ([email protected])
                   8492: 
                   8493:        * cp-call.c (build_method_call): Check DECL_STATIC_FUNCTION_P, not
                   8494:        TREE_STATIC, when validating a method call in a static call context.
                   8495: 
                   8496: Thu Aug  5 19:18:00 1993  Richard Kenner  ([email protected])
                   8497: 
                   8498:        * tree.h (TYPE_OBSTACK): New macro.
                   8499:        (struct tree_type): Add new field obstack.
                   8500:        * tree.c (make_node, copy_node): Set TYPE_OBSTACK.
                   8501:        (build_type_variant, build_type_copy, build_pointer_type): Put
                   8502:        new node in same obstack as old node; use push/pop obstacks.
                   8503:        * stor-layout.c (layout_type): Put size-related nodes in same
                   8504:        obstack as type.
                   8505:        
                   8506:        * reload.c (push_reload, find_reloads): Refine when we reload
                   8507:        inside a SUBREG by respecting BYTE_LOADS_*_EXTEND; see comments
                   8508:        in push_reload.
                   8509: 
                   8510: Thu Aug  5 14:17:59 1993  Michael Meissner  ([email protected])
                   8511: 
                   8512:        * i386/osfrose.h (ASM_DECLARE_FUNCTION_SIZE): Enable setting the
                   8513:        size for elf functions.
                   8514: 
                   8515: Thu Aug  5 01:44:37 1993  Jeffrey A. Law  ([email protected])
                   8516: 
                   8517:        * toplev.c (rest_of_compilation): If not optimizing, turn off
                   8518:        DECL_INLINE for functions declared as inline.  Avoid turning on
                   8519:        DECL_INLINE when -finline-functions is used without -O.
                   8520: 
                   8521: Thu Aug  5 00:06:45 1993  Richard Stallman  ([email protected])
                   8522: 
                   8523:        * collect2.c (handler): Check whether c_file and o_file are 0.
                   8524: 
                   8525: Wed Aug  4 18:06:26 1993  Samuel A. Figueroa  ([email protected])
                   8526: 
                   8527:        * i386/gas.h (ASM_FILE_START): Write out two backslashes for each
                   8528:        backslash in the filename.
                   8529: 
                   8530: Wed Aug  4 18:00:43 1993  Holger Teutsch  ([email protected])
                   8531: 
                   8532:        * clipper.md (movdf+2): Allow `f' register as source operand in
                   8533:        first alternative.
                   8534: 
                   8535: Wed Aug  4 07:35:03 1993  Richard Kenner  ([email protected])
                   8536: 
                   8537:        * reload1.c (eliminate_regs_in_insn): Always do elimination in
                   8538:        REG_NOTES if we changed anything in the insn.
                   8539: 
                   8540:        * genattrtab.c: Include gvarargs.h after hconfig.h, like elsewhere.
                   8541: 
                   8542: Wed Aug  4 01:32:27 1993  Richard Stallman  ([email protected])
                   8543: 
                   8544:        * c-typeck.c (output_init_element): Call digest_init before
                   8545:        calling output_constant.  Always pass 0, 0 for last 2 args
                   8546:        to digest_init.
                   8547: 
                   8548:        * expr.c (do_tablejump) [PIC_CASE_VECTOR_ADDRESS]: If pic,
                   8549:        copy INDEX to a register early, to avoid invalid address later.
                   8550: 
                   8551: Tue Aug  3 23:56:49 1993  Richard Stallman  ([email protected])
                   8552: 
                   8553:        * gcc.c (process_command): Don't check whether file `-' exists.
                   8554: 
                   8555: Tue Aug  3 18:52:13 1993  John Hassey  ([email protected])
                   8556: 
                   8557:        * configure (m88k-dg-dgux*): Use fixinc.dgux.
                   8558:        * x-dgux (INSTALL_HEADERS): Definition deleted.
                   8559:        * fixinc.dgux: New file.
                   8560: 
                   8561: Tue Aug  3 17:34:53 1993  Richard Kenner  ([email protected])
                   8562: 
                   8563:        * calls.c (store_one_arg): Don't pass ARG->STACK as TARGET if it
                   8564:        is a different mode than the expression (i.e., a promoted mode).
                   8565: 
                   8566:        * combine.c (force_to_mode): Now pass actual AND mask instead
                   8567:        of number of bits; generalize appropriately.
                   8568:        Move most cases from simplify_and_const_int in.
                   8569:        (simplify_and_const_int): Remove most code from here; call
                   8570:        force_to_mode instead.
                   8571:        (subst, make_extraction, make_compound_operation): Change calls
                   8572:        to force_to_mode.
                   8573:        (make_field_assignment): Likewise.
                   8574:        (simplify_comparison): Add call to force_to_mode when
                   8575:        doing a sign bit comparison.
                   8576:        * optabs.c (code_to_optab): New variable.
                   8577:        (init_optab): Initialize it.
                   8578:        * expr.h: Declare code_to_optab.
                   8579: 
                   8580: Tue Aug  3 15:40:16 1993  Richard Stallman  ([email protected])
                   8581: 
                   8582:        * gstddef.h: Test and define __INT_WCHAR_T_H.
                   8583: 
                   8584: Mon Aug  2 22:42:10 1993  Richard Stallman  ([email protected])
                   8585: 
                   8586:        * configure (i[34]86-sequent-sysv*): New alternative.
                   8587:        * config/i386/seq-sysv3.h: New file.
                   8588: 
                   8589:        * combine.c (struct undo): Rename `rtx' fields to `r'.
                   8590:        (undo_all, SUBST, gen_rtx_combine): Corresponding changes.
                   8591: 
                   8592: Mon Aug  2 18:53:23 1993  Richard Kenner  ([email protected])
                   8593: 
                   8594:        * combine.c (subst): Move simple operations inside IF_THEN_ELSE 
                   8595:        if the IF_THEN_ELSE is in the second operand as well as the first.
                   8596:        (subst, case NEG): Use plus_constant to make a PLUS.
                   8597:        (subst, case MINUS): Simplify (minus 1 (comparison foo bar)).
                   8598:        (subst, case EQ): Add a number of missing cases where 
                   8599:        comparisons may be replaced with arithmetic or logical ops.
                   8600:        (subst, case IF_THEN_ELSE): Handle (if_then_else COND (OP Z C1) Z)
                   8601:        in a more general manner.
                   8602:        (simplify_and_const_int): Make AND with gen_binary in case we
                   8603:        can simplify it.
                   8604: 
                   8605: Mon Aug  2 14:45:43 1993  Frederic Pierresteguy  ([email protected])
                   8606: 
                   8607:        * genattrtab.c (substitute_address): In prototype, don't specify
                   8608:        the arg types of the arg functions.
                   8609: 
                   8610:        * config/m68k/x-dpx2 (CLIB): Fix typo.
                   8611: 
                   8612: Mon Aug  2 06:36:53 1993  John F Carr  ([email protected])
                   8613: 
                   8614:        * local-alloc.c (block_alloc):  Don't attempt to allocate a
                   8615:        SCRATCH if it will not fit in scratch_list.
                   8616: 
                   8617: Mon Aug  2 00:02:54 1993  Richard Stallman  ([email protected])
                   8618: 
                   8619:        * calls.c (expand_call): Check properly for volatile function.
                   8620: 
                   8621: Sun Aug  1 04:18:23 1993  Richard Stallman  ([email protected])
                   8622: 
                   8623:        * c-common.c (decl_attributes): Support attributes `volatile'
                   8624:        with alias `noreturn', and `const'.
                   8625:        * c-parse.in (attrib): Accept those attributes.
                   8626: 
                   8627:        * c-typeck.c (build_binary_op): Warn about ordered comparison
                   8628:        between pointers to complete and incomplete types.
                   8629: 
                   8630:        * c-parse.in (stmt): In an expr stmt, call default_conversion
                   8631:        for arrays and for functions.
                   8632: 
                   8633:        * c-decl.c (finish_struct): No pedwarn for field with enum type
                   8634:        if size matches int.
                   8635:        (grokdeclarator): No error for void type for extern or global var.
                   8636: 
                   8637:        * c-typeck.c (digest_init): No error for a STRING_CST that already
                   8638:        went through digest_init.
                   8639:        (parser_build_binary_op): Generate a NON_LVALUE_EXPR, not NOP_EXPR,
                   8640:        around a constant value.
                   8641: 
                   8642:        * config/m68k/amix.h (ASM_OUTPUT_INTERNAL_LABEL)
                   8643:        (ASM_GENERATE_INTERNAL_LABEL): Definitions deleted.
                   8644: 
                   8645:        * expr.c (do_tablejump): Use PIC_CASE_VECTOR_ADDRESS if defined.
                   8646:        * config/m68k/m68k.h (PIC_CASE_VECTOR_ADDRESS): Defined.
                   8647:        (GO_IF_LEGITIMATE_ADDRESS): If pic, accept LABEL+INDEX.
                   8648: 
                   8649:        * c-decl.c (grokdeclarator): Warn here for volatile fn returning
                   8650:        non-void type.
                   8651:        (start_function): Not here.
                   8652: 
                   8653:        * c-decl.c (grokdeclarator): Don't pass on const and volatile
                   8654:        fron function value type to function type.
                   8655: 
                   8656: Sat Jul 31 01:48:08 1993  Richard Stallman  ([email protected])
                   8657: 
                   8658:        * c-typeck.c (digest_init): Finish getting rid of tail.
                   8659:        Also get rid of old_tail_contents.  Don't set free_tree_list.
                   8660:        (free_tree_list): Var deleted.
                   8661: 
                   8662:        * c-typeck.c (process_init_element): Treat string constants specially
                   8663:        only for arrays of integers.
                   8664: 
                   8665: Fri Jul 30 06:49:58 1993  Torbjorn Granlund  ([email protected])
                   8666: 
                   8667:        * expmed.c (mult_is_very_cheap): Delete.
                   8668:        (mult_cost): Delete.
                   8669:        (init_expmed): Delete computation of mult_cost and mult_is_very_cheap.
                   8670:        (expand_mult): Compute mult_cost here for every constant multiplier.
                   8671:        (synth_mult): Return found algorithms through a struct pointer.
                   8672:        
                   8673: Fri Jul 30 06:45:35 1993  Richard Kenner  ([email protected])
                   8674: 
                   8675:        * fold-const.c (fold, case NOP_EXPR): Delete a pair of conversions
                   8676:        back to the original type when intermediate type is at least as wide.
                   8677: 
                   8678:        * combine.c: Remove change of July 21.
                   8679:        (this_basic_block): New variable.
                   8680:        (combine_instructions): Set it.
                   8681:        (try_combine, distribute_links): Use it and basic_block_head
                   8682:        to see if we've gone to a new basic block instead of trying
                   8683:        to reproduce calculation done in flow.
                   8684: 
                   8685:        * stmt.c (expand_return): Don't use jumps for "return x == y" if
                   8686:        they are expensive.
                   8687: 
                   8688: Fri Jul 30 02:03:12 1993  Richard Stallman  ([email protected])
                   8689: 
                   8690:        * config/i386/i386.md (ffssi2 and ffshi2 recognizers):
                   8691:        Generate unique labels by hand.
                   8692: 
                   8693: Thu Jul 29 01:47:21 1993  Richard Stallman  ([email protected])
                   8694: 
                   8695:        * c-typeck.c (push_init_level): For braces around scalar, just warn.
                   8696:        (process_init_element): Special handling for {"foo"}.
                   8697:        (struct constructor_stack): New field `replacement_value'.
                   8698:        (push_init_level, really_start_incremental_init): Clear new field.
                   8699:        (pop_init_level): Return the replacement_value if any.
                   8700:        At top level in initializer, output that value,
                   8701:        and set the array size from it.
                   8702: 
                   8703:        * c-typeck.c (digest_init): Delete arg TAIL. Fix all calls.
                   8704: 
                   8705:        * objc-act.c (build_shared_structure_initializer):
                   8706:        Call default_conversion for NAME.
                   8707:        (add_objc_string): Make an ADDR_EXPR to return.
                   8708:        (init_objc_symtab): Make ADDR_EXPR for UOBJC_SELECTOR_TABLE_decl.
                   8709: 
                   8710:        * objc-act.c: Build all CONSTRUCTORs with types.
                   8711:        (build_constructor): New function.  All CONSTRUCTOR builds changed.
                   8712:        (init_def_list, init_objc_symtab): New arg TYPE.
                   8713:        (init_module_descriptor): Likewise.
                   8714:        (init_objc_symtab): Pass TYPE arg to init_def_list.
                   8715:        (generate_objc_symtab_decl): Pass TYPE arg to init_objc_symtab.
                   8716:        (build_module_descriptor): Pass TYPE arg to init_module_descriptor.
                   8717:        (build_descriptor_table_initializer): New arg TYPE.
                   8718:        (generate_method_descriptors): Pass TYPE arg to
                   8719:        build_descriptor_table_initializer.
                   8720:        (generate_protocols): Pass TYPE arg to build_protocol_initializer.
                   8721:        (uild_protocol_initializer): New arg TYPE.
                   8722:        (build_ivar_list_initializer): New arg TYPE.
                   8723:        (generate_ivar_lists): Pass TYPE arg to build_ivar_list_initializer.
                   8724:        (build_dispatch_table_initializer): New arg TYPE.
                   8725:        (generate_dispatch_tables): Pass TYPE arg to
                   8726:        build_dispatch_table_initializer.
                   8727:        (build_category_initializer): New arg TYPE.
                   8728:        (build_shared_structure_initializer): New arg TYPE.
                   8729:        (generate_category): Pass TYPE arg to build_category_initializer.
                   8730:        (generate_shared_structures): Pass TYPE arg to
                   8731:        build_shared_structure_initializer.
                   8732: 
                   8733:        * config/i386/x-ncr3000 (CC, OLDCC): Deleted.
                   8734:        * config/i386/xm-sysv4.h [__HIGHC__]: Include alloca.h.
                   8735: 
                   8736:        * convert.c (convert_to_integer): Don't pass truncate into ABS_EXPR.
                   8737: 
                   8738:        * configure: Ignore -enable... and --enable... options.
                   8739: 
                   8740: Wed Jul 28 20:15:05 1993  Richard Stallman  ([email protected])
                   8741: 
                   8742:        * Makefile.in (compare): Add ./ in tail command.
                   8743: 
                   8744: Wed Jul 28 15:36:11 1993  Richard Kenner  ([email protected])
                   8745: 
                   8746:        * integrate.c (copy_rtx_and_substitute, case LABEL_REF): If
                   8747:        we turn off LABEL_REF_NONLOCAL_P, increment function_call_count.
                   8748: 
                   8749:        * integrate.c (copy_for_inline, case LABEL_REF): Properly copy
                   8750:        LABEL_REF with LABEL_REF_NONLOCAL_P set.
                   8751:        Copy LABEL_OUTSIDE_LOOP_P flag.
                   8752:        (copy_rtx_and_substitute, case LABEL_REF): Likewise.
                   8753:        (copy_rtx_and_substitute, case CONST): Make recursive call for
                   8754:        a LABEL_REF in the constant pool.
                   8755: 
                   8756:        * c-iterate.c (iterator_loop_{pro,epi}logue): Set TREE_SIDE_EFFECTS
                   8757:        on the MODIFY_EXPRs we make.
                   8758:        Pass const0_rtx as TARGET to expand_expr.
                   8759:        * cp-cvt.c (build_up_reference): Set TREE_SIDE_EFFECTS on MODIFY_EXPR.
                   8760:        * stmt.c (expand_return): Likewise.
                   8761: 
                   8762: Wed Jul 28 12:17:39 1993  Michael Meissner  ([email protected])
                   8763: 
                   8764:        * i386/osfrose.h (SUBTARGET_OVERRIDE_OPTIONS): Use this instead of
                   8765:        OVERRIDE_OPTIONS.
                   8766: 
                   8767: Wed Jul 28 13:45:13 1993  Richard Stallman  ([email protected])
                   8768: 
                   8769:        * expr.c (expand_expr, case ADDR_EXPR): Treat CONCAT like REG.
                   8770: 
                   8771:        * c-decl.c (start_function): Warn if volatile fn returns non-void.
                   8772: 
                   8773: Wed Jul 28 13:22:15 1993  Jim Wilson  ([email protected])
                   8774: 
                   8775:        * c-parse.in (simple_if, if_prefix, stmt): Undo Jul 7 change.
                   8776:        (if_prefix): Store stmt_count in $$ not $1.
                   8777:        (stmt): Add comment explaining why empty-if warning is here.
                   8778: 
                   8779:        * sparc.c (shift_operand): New function.
                   8780:        * sparc.md (ashlsi3, ashrsi3, lshrsi3): Use shift_operand.
                   8781: 
                   8782:        * loop.c (strength_reduce): Don't ignore a giv that depends on a
                   8783:        reversed biv.
                   8784: 
                   8785:        * mips/x-sysv (ALLOCA): Define.
                   8786:        * mips-5.h (STARTFILE_SPEC): Define.
                   8787:        * x-iris3: New file.
                   8788:        * configure (mips-sgi-*): Use x-iris3 instead of x-iris.
                   8789:        * Makefile.in (libgcc.a): Do `chmod +w *' between two ar commands.
                   8790: 
                   8791:        * i960.h (INITIAL_FRAME_POINTER_OFFSET): Negate, and subtract 64
                   8792:        bytes.
                   8793: 
                   8794:        * sched.c (schedule_block): Do not emit line number notes before
                   8795:        other notes.
                   8796: 
                   8797:        * varasm.c (assemble_variable): flag_no_common applies only if
                   8798:        external linkage.
                   8799: 
                   8800:        * calls.c (expand_call): For unaligned arguments on
                   8801:        BYTES_BIG_ENDIAN machines, correct bitfield offset calculations.
                   8802:        * expr.c (move_block_from_reg): New argument SIZE.  If SIZE less
                   8803:        than word and BYTES_BIG_ENDIAN, shift block left to align it
                   8804:        before storing it to memory.
                   8805:        * expr.h (move_block_from_reg): Add new argument to prototype.
                   8806:        * function.c (assign_parms): Pass extra argument SIZE to
                   8807:        move_block_from_reg calls.
                   8808:        (locate_and_pad_parm): For !ARGS_GROW_DOWNWARD case, move downward
                   8809:        padding pad_below call after round_up call.
                   8810:        * mips.c (function_arg): Shift all structures less than 4 bytes,
                   8811:        not just those which are QImode or HImode.
                   8812:        * a29k.h, alpha.h, i960.c, m88k.c, pa.c, romp.h, rs6000.h:
                   8813:        Add new parameter to move_block_from_reg calls.
                   8814: 
                   8815: Wed Jul 28 12:40:06 1993  Doug Evans  ([email protected])
                   8816: 
                   8817:        * expmed.c (store_split_bitfield): Fix handling of bitfields that
                   8818:        cross word boundaries, can only handle a word at a time.
                   8819:        (extract_split_bitfield): Likewise.
                   8820: 
                   8821: Wed Jul 28 06:44:50 1993  John Hassey  ([email protected])
                   8822: 
                   8823:        * configure: Use m88k/x-sysv3 for m88k-*-sysv3.
                   8824:        * m88k/x-sysv3: New file, use gnu alloca.
                   8825: 
                   8826: Tue Jul 27 13:53:06 1993  Per Bothner  ([email protected])
                   8827: 
                   8828:        * fixproto:  Pass '-' to tr as the 1-character range '---'.
                   8829:        * cross-make:  Define STMP_FIXPROTO to empty for cross.
                   8830:        * patch-header.c (read_scan_file):  Minor re-write to avoid
                   8831:        obstack_copy0, since that uses the non-portable bcopy().
                   8832:        * Makefile.in (patch-header):  Use $(HOST_OBSTACK).
                   8833:        * gen-protos.c (main):  Disable obnoxious warning message.
                   8834: 
                   8835: Tue Jul 27 16:42:44 1993  John F Carr  ([email protected])
                   8836: 
                   8837:        * fold-const.c (optimize_bit_field_compare): Preserve volatility
                   8838:        of bitfield.
                   8839: 
                   8840: Tue Jul 27 01:33:25 1993  Richard Stallman  ([email protected])
                   8841: 
                   8842:        * c-typeck.c (convert_for_assignment): Mismatch in signedness
                   8843:        of pointer targets should not inhibit warnings for const mismatch.
                   8844: 
                   8845:        * function.c (assign_parms): Don't copy too much when extending
                   8846:        parm_reg_stack_loc.
                   8847: 
                   8848:        * config/m88k/m88k.h (ASM_DECLARE_OBJECT_NAME): Don't make a .size
                   8849:        if the size is not known.  Use DECL, not decl.
                   8850:        * config/svr4.h, config/i386/osfrose.h: Likewise.
                   8851: 
                   8852:        * c-typeck.c (set_init_index): Add pedantic warning.
                   8853:        (set_init_label): Likewise.
                   8854: 
                   8855: Tue Jul 27 14:22:48 1993  Frederic Pierresteguy  ([email protected])
                   8856: 
                   8857:        * gstddef.h (_WCHAR_T_H): Test this and define this. 
                   8858: 
                   8859:        * configure (m68k-bull-sysv): Test for --stabs;
                   8860:        generate either native coff or dbx-in-coff debugging information.
                   8861: 
                   8862:        * config/m68k/dpx2.h (CPP_PREDEFINES): added -D_POSIX_SOURCE 
                   8863:        -D_XOPEN_SOURCE -D_BULL_SOURCE to the list.
                   8864:        (CPP_SPEC): removed ansi definition.
                   8865:        * config/m68k/dpx2g.h (DBX_DEBUGGING_INFO): Remove this to let gcc 
                   8866:        deals with gas and coff.
                   8867:        * config/m68k/dpx2cdbx.h: New file for gas and dbx-in-coff.
                   8868:        * config/x-dpx2 (CLIB): removed -lc_s and added -lmalloc.
                   8869:        (X_CFLAGS): removed -D_SYSV and added -D_POSIX_SOURCE -D_XOPEN_SOURCE 
                   8870:        -D_BULL_SOURCE to deal with the posix stuff.
                   8871: 
                   8872: Mon Jul 26 17:42:22 1993  Richard Stallman  ([email protected])
                   8873: 
                   8874:        * c-typeck.c (digest_init): Add `static' to definition.
                   8875: 
                   8876:        * combine.c (simplify_shift_const): Inhibit hacks based on
                   8877:        num_sign_bit_copies if shift_mode differs from the mode of varop.
                   8878: 
                   8879:        * toplev.c (main): When -W sets warn_uninitialized, avoid later warning
                   8880:        if warn_uninitialized is not supported.
                   8881: 
                   8882: Mon Jul 26 14:14:02 BST 1993   Richard Earnshaw ([email protected])
                   8883: 
                   8884:        * collect2.c (NAME__MAIN, SYMBOL__MAIN): Add default definitions.
                   8885:        (write_c_file, scan_prog_file [OBJECT_FORMAT_ROSE]):
                   8886:        Use macros instead of explicitly __main.
                   8887: 
                   8888:        * function.c (expand_main_function): Likewise.
                   8889: 
                   8890:        * libgcc2.c (__main): Use macro SYMBOL__MAIN instead of invoking
                   8891:        directly.
                   8892: 
                   8893: Mon Jul 26 16:03:33 1993  Richard Kenner  ([email protected])
                   8894: 
                   8895:        * fold-const.c (fold, case EQ_EXPR): Remove code that converts
                   8896:        mod to unsigned mod; it isn't correct for negative operands.
                   8897: 
                   8898:        * toplev.c (strip_off_ending): Allow .ad* for Ada.
                   8899: 
                   8900: Mon Jul 26 14:06:04 1993  Bill Cox  ([email protected])
                   8901: 
                   8902:        * c-decl.c (print_lang_decl, print_lang_type): Correct function
                   8903:          headers to match prototype, and calls.
                   8904: 
                   8905: Sun Jul 25 17:01:34 1993  Per Bothner ([email protected])
                   8906: 
                   8907:         * fixproto:  New script to add prototypes and otherwise clean up
                   8908:         system include files (especially for C++ and also gcc -Wimplicit).
                   8909:         * scan-decl.c:  New program used by fixproto to analyze header
                   8910:         files (it extracts declarations from cpp output).
                   8911:         * patch-header.c:  New program used by fixproto to analyze and
                   8912:         patch header files.
                   8913:         * scan.c:  New file.  Routines used by scan-decls and
                   8914:        patch-header.
                   8915:         * scan.h:  New file.  Common declarations.
                   8916:         * gen-protos.c:  New file.  Massages a list of prototypes.
                   8917:        * Makefile.in:  Add fixproto support.
                   8918:        * populate:  Deleted.  Superseded by fixproto.
                   8919: 
                   8920: Sun Jul 25 03:56:18 1993  Richard Stallman  ([email protected])
                   8921: 
                   8922:        * c-typeck.c (start_init): Fill in p->next.
                   8923: 
                   8924:        * config/i386/i386.md (movstrictqi): Change q<-g alternative to q<-m.
                   8925: 
                   8926: Sat Jul 24 18:17:55 1993  Richard Stallman  ([email protected])
                   8927: 
                   8928:        * expr.c (emit_move_insn_1): For complex stack push,
                   8929:        don't use change_address.
                   8930: 
                   8931: Sat Jul 24 15:05:50 1993  Per Bothner  ([email protected])
                   8932: 
                   8933:        * fixincludes (unistd.h):  Generalize AIX fix (for using
                   8934:        C++ keyword new) to unistd.h as well as stdio.h.
                   8935:        * fixincludes (sys/wait.h):  Fix NeXT problem with
                   8936:        a 'wait(union wait*)' prototype that breaks Posix.1.
                   8937:        * fixincludes (math.h):  For C++, patch AIX's use of
                   8938:        'class' as function name.
                   8939: 
                   8940: Sat Jul 24 02:48:31 1993  Richard Stallman  ([email protected])
                   8941: 
                   8942:        * function.c (put_reg_into_stack): New subroutine.
                   8943:        (put_var_into_stack): Use that; handle CONCAT.
                   8944: 
                   8945:        * varasm.c (assemble_variable): For array whose size comes from
                   8946:        the initializer, determine proper alignment here.
                   8947:        (assemble_align): New function.
                   8948: 
                   8949:        * c-typeck.c: Handle gaps in record initializers.
                   8950:        (constructor_bit_index): New variable.
                   8951:        (constructor_stack): New field bit_index.
                   8952:        (really_start_incremental_init, push_init_level): Save and init it.
                   8953:        (pop_init_level): Restore it.
                   8954:        (output_init_element): Update constructor_bit_index.
                   8955:        Use it to output gaps.
                   8956:        (pop_init_level): Speed up by using constructor_bit_index.
                   8957: 
                   8958:        * c-typeck.c (process_init_element): Accept STRING_CST for subarray.
                   8959: 
                   8960:        * loop.c (mark_loop_jump): Handle weird cases like jumping to
                   8961:        a symbol_ref.
                   8962: 
                   8963: Fri Jul 23 15:55:14 1993  Doug Evans  ([email protected])
                   8964: 
                   8965:        * c-tree.h: Fix prototypes for print_lang_decl, print_lang_type.
                   8966: 
                   8967: Fri Jul 23 15:06:05 1993  Richard Stallman  ([email protected])
                   8968: 
                   8969:        * c-typeck.c (start_init): Second arg is now a tree.
                   8970: 
                   8971: Fri Jul 23 08:26:43 1993  Brendan Kehoe  ([email protected])
                   8972: 
                   8973:        Cygnus<->FSF merge.
                   8974:        Thu Jul 22 09:54:05 1993  Brendan Kehoe  ([email protected])
                   8975: 
                   8976:        * cp-decl.c (push_overloaded_decl): Fix typo in warning msg.
                   8977: 
                   8978:        Tue Jul 20 13:13:18 1993  Mike Stump  ([email protected])
                   8979: 
                   8980:        * cp-class.c (build_vtable, prepare_fresh_vtable): Make the vtables
                   8981:        readonly by default.
                   8982: 
                   8983:        Mon Jul 19 13:16:58 1993  Brendan Kehoe  ([email protected])
                   8984: 
                   8985:        * cp-tree.h (NEW_CLASS_SCOPING): Turn this off for now.
                   8986: 
                   8987:        Mon Jul 19 11:04:51 1993  Jason Merrill  ([email protected])
                   8988: 
                   8989:        * cp-class.c (build_vfn_ref): Rename `index' to `idx'.
                   8990: 
                   8991:        Fri Jul 16 07:44:49 1993  Brendan Kehoe  ([email protected])
                   8992: 
                   8993:        * cp-class.c (finish_struct): Check both if the type has a default
                   8994:        constructor, and if it has a non-const copy constructor, so we'll know
                   8995:        not to generate a const copy constructor for the type we're working on.
                   8996:        * cp-lex.c (cons_up_default_function): Add other front-end debugging
                   8997:        info.
                   8998:        (default_copy_constructor_body): And take it out of here.
                   8999: 
                   9000:        * cp-expr.c (cplus_expand_expr): Add missing arguments to expand_expr.
                   9001: 
                   9002:        Thu Jul 15 16:54:33 1993  Brendan Kehoe  ([email protected])
                   9003: 
                   9004:        * cp-lex.c (default_copy_constructor_body): Also check to copy
                   9005:        anonymous unions, since they don't show up as FIELD_DECLs.
                   9006:        (largest_union_member): New function.
                   9007: 
                   9008:        Thu Jul 15 16:23:18 1993  Mike Stump  ([email protected])
                   9009: 
                   9010:        * cp-expr.c (cplus_expand_expr): Use resolve_offset_ref to handle
                   9011:        OFFSET_REFs, as anything else would be wrong.
                   9012:        
                   9013:        Thu Jul 15 13:23:40 1993  Mike Stump  ([email protected])
                   9014: 
                   9015:        * cp-tree.h (CLASSTYPE_INTERFACE_KNOWN,
                   9016:        SET_CLASSTYPE_INTERFACE_UNKNOWN_X, SET_CLASSTYPE_INTERFACE_UNKNOWN,
                   9017:        SET_CLASSTYPE_INTERFACE_KNOWN): New access methods.
                   9018:        * cp-class.c (import_export_vtable, duplicate_tag_error,
                   9019:        finish_struct): Use new access method.
                   9020:        * cp-decl.c: (grokfndecl, grokdeclarator, xref_tag): Ditto.
                   9021:        * cp-gc.c (build_t_desc): Ditto.
                   9022:        * cp-lex.c (set_vardecl_interface_info, make_lang_type): Ditto.
                   9023:        * cp-pt.c (end_template_instantiation, do_pending_expansions):
                   9024:        Ditto.
                   9025:        * cp-search.c (dfs_debug_mark): Ditto.
                   9026: 
                   9027:        * cp-decl.c (grok_reference_init): Reword error message.
                   9028: 
                   9029:        Wed Jul 14 09:17:18 1993  Brendan Kehoe  ([email protected])
                   9030: 
                   9031:        * cp-cvt.c (convert_to_reference): Adjust change of May 30th to
                   9032:        accept more things (and still handle ARM p308 properly).  Disable
                   9033:        the old way, but leave it to be properly fixed later.
                   9034: 
                   9035:        Tue Jul 13 22:43:38 1993  Mike Stump  ([email protected])
                   9036: 
                   9037:        * cp-decl.c (get_binfo_from_vfield): New function.
                   9038:        * cp-decl.c (finish_function): Use get_binfo_from_vfield to get the
                   9039:        binfo used to find the vtable for this vfields.  Corrects problem
                   9040:        with vtable pointers being wrong during called member functions,
                   9041:        called from destructors.
                   9042: 
                   9043:        Tue Jul 13 11:52:37 1993  Brendan Kehoe  ([email protected])
                   9044: 
                   9045:        * cp-decl.c (grokdeclarator): Don't pedwarn about a duplicate long
                   9046:        for `long long', until we figure out how we really want to handle it.
                   9047: 
                   9048:        Sat Jul 10 14:54:36 1993  Chip Salzenberg  ([email protected])
                   9049: 
                   9050:        * cp-tree.h (warn_redundant_decls, warn_missing_braces): Declared.
                   9051:        * cp-decl.c (warn_redundant_decls): Not declared here.
                   9052:        * cp-decl2.c (warn_missing_braces): Defined.
                   9053:        (lang_decode_option): Handle -Wmissing-braces.
                   9054:        * cp-type2.c (process_init_constructor): Test warn_missing_braces.
                   9055: 
                   9056:        * cp-typeck.c (build_binary_op_nodefault): Make warning
                   9057:        message distinguish between right/left and shift/rotate.
                   9058: 
                   9059:        * cp-decl.c (init_decl_processing): When making SIZETYPE,
                   9060:        start with name in SIZE_TYPE.  If -traditional, use a signed
                   9061:        version of that type, if it is unsigned.
                   9062: 
                   9063:        * cp-typeck.c (c_sizeof, build_c_cast): Set TREE_OVERFLOW in
                   9064:        addition to TREE_CONSTANT_OVERFLOW.
                   9065: 
                   9066:        * cp-decl.c (finish_enum): Store layout results into variant types.
                   9067: 
                   9068:        * cp-typeck.c (internal_build_compound_expr): When pedantic, don't
                   9069:        simplify a COMPOUND_EXPR, so that it won't be mistaken for an
                   9070:        lvalue or an integer constant expression.
                   9071: 
                   9072:        * cp-parse.y (program): After extdefs, pop any unpopped binding lvls.
                   9073: 
                   9074:        * cp-decl.c (grokdeclarator, ARRAY_REF case): Build array type,
                   9075:        and then build the variant array type.
                   9076: 
                   9077:        * cp-lex.c (real_yylex): Avoid invalid shift for erroneous empty
                   9078:        char const.
                   9079: 
                   9080:        * cp-decl.c (complete_array_type): Make maxindex -1 for empty
                   9081:        constructor.
                   9082: 
                   9083:        * cp-type2.c (initializer_constant_valid_p): Allow cast of ptr to
                   9084:        wider integer.
                   9085: 
                   9086:        * cp-decl.c (pushdecl): Copy DECL_FRAME_SIZE for inline function decls.
                   9087: 
                   9088:        * cp-decl.c (finish_decl): Do not allocate static var of
                   9089:        unknown size.
                   9090:        (complete_array_type): Use 0 as default maxindex.
                   9091: 
                   9092: Fri Jul 23 07:18:20 1993  Richard Kenner  ([email protected])
                   9093: 
                   9094:        * function.c (aggregate_value_p): An ARRAY_TYPE is also an aggregate.
                   9095: 
                   9096: Fri Jul 23 01:54:28 1993  Richard Stallman  ([email protected])
                   9097: 
                   9098:        * gcc.c (main): Improve "No input files" error message.
                   9099: 
                   9100: Thu Jul 22 23:00:11 1993  Jeffrey A. Law  ([email protected])
                   9101: 
                   9102:        * reorg.c (relax_delay_slots): Do not redirect a jump if doing so
                   9103:        invalidates insns in the jump's delay slots.
                   9104:        (redirect_with_delay_slots_safe_p): New function.
                   9105: 
                   9106: Thu Jul 22 18:01:29 1993  John Hassey  ([email protected])
                   9107: 
                   9108:        * invoke.texi, m88k.h, m88k.c: Changed serialize-volatile 
                   9109:        to use tb1 instead of fldcr, fldcr has problems on 88110.
                   9110:        Made serialize-volatile the default behavior for all models.
                   9111: 
                   9112: Thu Jul 22 11:19:28 PDT 1993  Ron Guilmette ([email protected])
                   9113: 
                   9114:        * fixinc.svr4 (making LIB absolute): Just concat with $ORIG_DIR.
                   9115: 
                   9116:        * configure:  Use `sed' rather than `cat' to put `MAYBE_TARGET_DEFAULT'
                   9117:        definition in.  (This is a work-around for an NFS bug.)
                   9118: 
                   9119: Thu Jul 22 14:59:38 1993  Richard Stallman  ([email protected])
                   9120: 
                   9121:        * c-typeck.c: Output most constructors an element at a time.
                   9122:        (digest_init): Deleted code for raw constructors.
                   9123:        (process_init_constructor): Function deleted.
                   9124:        (start_init, finish_init): New functions.
                   9125:        (really_start_incremental_init)
                   9126:        (push_init_level, check_init_type_bitfields, pop_init_level)
                   9127:        (set_init_index, set_init_label, process_init_element)
                   9128:        (output_init_element, output_pending_init_elements): New functions.
                   9129:        * c-tree.h: Declare most of those functions.
                   9130: 
                   9131:        * c-parse.in (cast_expr): Use new initializer parsing functions.
                   9132:        (initdcl, notype_initdcl): Likewise.
                   9133:        (init): Likewise.
                   9134:        (initlist_maybe_comma, initlist1): These replace initlist.
                   9135:        (initelt): New nonterminal.
                   9136:        Change specified index syntax to `[INDEX]='.
                   9137:        Change specified field syntax to `.NAME='.
                   9138: 
                   9139:        * varasm.c (output_constant_def_contents): New function.
                   9140:        (output_constant_def): Use it.
                   9141:        (deferred_constants): New list of constants not yet output.
                   9142:        (defer_addressed_constants): New function.
                   9143:        (output_deferred_addressed_constants): New function.
                   9144:        (make_decl_rtl): Don't ever replace old rtl;
                   9145:        instead, change its mode if necessary.
                   9146: 
                   9147: Wed Jul 21 15:50:19 1993  Jim Wilson  ([email protected])
                   9148: 
                   9149:        * expr.c (expand_expr, COMPONENT_REF case): For unaligned object
                   9150:        in an aligned union, set MEM_IN_STRUCT_P if create a MEM rtx.
                   9151: 
                   9152:        * sparc.c (output_move_double): Only set highest_first if first reg
                   9153:        of dest overlaps memory src address.  Otherwise, if addreg1 set and
                   9154:        is same as second reg of dest, suppress trailing decrement.
                   9155:        
                   9156:        * sparc.md (movdi+1): Delete & from r/i constraint.
                   9157: 
                   9158:        From [email protected]:
                   9159:        * fixinc.svr4 (<ftw.h>):  Don't apply specialized fixes to <ftw.h>
                   9160:        if we are on Solaris.  They are not needed in that case.
                   9161: 
                   9162:        * combine.c (nonlocal_label_list): New variable.
                   9163:        (combine_instructions): Set it.
                   9164:        (try_combine, distribute_links): CALL_INSN terminates a basic
                   9165:        block if nonlocal_label_list is set.
                   9166: 
                   9167:        * config/mips/{bsd-4.h, bsd-5.h, iris3.h, mips.h, news4.h,
                   9168:        news5.h, nws3250v4.h, osfrose.h, svr3-4.h, svr3-5.h, svr4-4.h,
                   9169:        svr4-5.h, ultrix.h} (CPP_SPEC): Define LANGUAGE_ASSEMBLY, not
                   9170:        LANGUAGE_C, when compiling a .s file.
                   9171: 
                   9172:        * m68k.h (TARGET_SWITCHES): Recognize -m68851, -mno-68851,
                   9173:        -m68302, -mno-68302, -m68332, -mno-68332.
                   9174: 
                   9175:        * lynx.h, i386/lynx.h, m68k/lynx.h, sparc/lynx.h: New files.
                   9176:        * i386.h (OVERRIDE_OPTIONS, SUBTARGET_OVERRIDE_OPTIONS): Define.
                   9177:        * m68k.h (TARGET_SWITCHES): Add SUBTARGET_SWITCHES.
                   9178:        (OVERRIDE_OPTIONS): Add SUBTARGET_OVERRIDE_OPTIONS.
                   9179:        (SUBTARGET_SWITCHES, SUBTARGET_OVERRIDE_OPTIONS): Define.
                   9180:        * sparc.h (TARGET_SWITCHES): Add SUBTARGET_SWITCHES.
                   9181:        (OVERRIDE_OPTIONS): Add SUBTARGET_OVERRIDE_OPTIONS.
                   9182:        (SUBTARGET_SWITCHES, SUBTARGET_OVERRIDE_OPTIONS): Define.
                   9183: 
                   9184:        * fixincludes (sys/types.h sys/stdtypes.h): Delete newline before
                   9185:        do.
                   9186:        (machine/cpu.h): Delete space in `2>& 1'.
                   9187: 
                   9188:        * config.sub (lynx): Recognize as vendor.
                   9189:        (lynxos): Recognize as OS.
                   9190:        * configure (i386-*-lynxos, sparc-*-lynxos, m68k-*-lynxos):
                   9191:        Recognize as new configurations.
                   9192: 
                   9193:        * gcc.c (link_command_spec): Move %{T*} after %{L*} and %D.
                   9194: 
                   9195:        * optabs.c (expand_binop): Synthesize double word shifts and
                   9196:        rotates from single word shifts.
                   9197:        * sparc.md (ashldi3, lshrdi3): Obsolete, deleted.
                   9198: 
                   9199: Wed Jul 21 15:55:18 1993  Ian Lance Taylor  ([email protected])
                   9200: 
                   9201:        * fixinc.svr4: When fixing ftw.h, preserve remainder of
                   9202:        ftw and nftw declaration; don't just rewrite it.
                   9203: 
                   9204: Tue Jul 20 23:35:36 1993  Richard Stallman  ([email protected])
                   9205: 
                   9206:        * collect2.c (is_ctor_dtor): Delete leading _'s from sym names
                   9207:        in `special' table, in neither-dots-nor-dollars case.
                   9208: 
                   9209: Tue Jul 20 18:49:09 1993  Michael Meissner  ([email protected])
                   9210: 
                   9211:        * i386/osfrose.h, i386/osfelf.h (CC1_SPEC): Don't turn on
                   9212:        -mhalf-pic if ELF.
                   9213: 
                   9214:        * i386/osfrose.h (ASM_FILE_END): Put filename, sans directory into
                   9215:        the .ident string.
                   9216: 
                   9217: Tue Jul 20 15:07:06 1993  Richard Kenner  ([email protected])
                   9218: 
                   9219:        * combine.c: Add prototypes for static functions.
                   9220:        (subst, case IF_THEN_ELSE): Add missing arg to make_compound_operation.
                   9221:        (make_compound_operation, case ASHIFTRT): Delete extra gen_unary arg.
                   9222: 
                   9223: Mon Jul 19 18:15:48 1993  John F Carr  ([email protected])
                   9224: 
                   9225:        * rs6000.c (current_file_function_operand): New function.
                   9226:        * rs6000.h (ENCODE_SECTION_INFO): New macro.
                   9227:        (PREDICATE_CODES): Add current_file_function_operand.
                   9228:        * rs6000.md: Add variants of call and call_value patterns for
                   9229:        calls to functions defined in the same file.  Omit the TOC pointer
                   9230:        reload after such calls.
                   9231: 
                   9232: Mon Jul 19 13:17:52 1993  Jeffrey A. Law  ([email protected])
                   9233: 
                   9234:        * reorg.c (fill_simple_delay_slots): Try filling any insn needing
                   9235:        delay slots with a JUMP_INSN.
                   9236: 
                   9237: Mon Jul 19 00:33:24 1993  Richard Stallman  ([email protected])
                   9238: 
                   9239:        * varasm.c (assemble_variable): New arg DONT_OUTPUT_DATA.
                   9240:        * toplev.c (rest_of_decl_compilation): Pass 0 as DONT_OUTPUT_DATA.
                   9241: 
                   9242: Sun Jul 18 15:38:04 1993  Richard Stallman  ([email protected])
                   9243: 
                   9244:        * c-typeck.c (c_expand_return): Set TREE_SIDE_EFFECTS
                   9245:        for the MODIFY_EXPR that we make.
                   9246: 
                   9247:        * stmt.c (expand_return): When expanding assignment into DECL_RESULT,
                   9248:        ignore the "value"--do it for effect.
                   9249: 
                   9250:        * fold-const.c (fold): Handle CONJ_EXPR.
                   9251:        * c-typeck.c (build_unary_op): Support CONJ_EXPR.
                   9252:        Change BIT_NOT_EXPR to CONJ_EXPR if arg is complex.
                   9253: 
                   9254: Sun Jul 18 14:22:05 1993  Richard Kenner  ([email protected])
                   9255: 
                   9256:        * function.c (init_function_start): Initialize trampoline_list here.
                   9257:        (expand_function_end): Not here.
                   9258: 
                   9259: Sun Jul 18 01:24:54 1993  Richard Stallman  ([email protected])
                   9260: 
                   9261:        * c-typeck.c (common_type): Use TYPE_MAIN_VARIANT when preferring
                   9262:        long int to int (when width is the same).
                   9263: 
                   9264:        * varasm.c (assemble_variable): Move debugging output calls
                   9265:        to after section has been selected.  Select the section again
                   9266:        if the debugging output call changes the section.
                   9267:        * dbxout.c (dbxout_symbol_location): Call in_text_section
                   9268:        to decide whether to use DBX_STATIC_CONST_VAR_CODE.
                   9269: 
                   9270:        * objc-act.c (synth_module_prologue): Call layout_type for the array
                   9271:        type used for _OBJC_SELECTOR_TABLE.
                   9272: 
                   9273: Sat Jul 17 00:41:52 1993  Richard Stallman  ([email protected])
                   9274: 
                   9275:        * expr.c (expand_increment): Convert constant subtract to add
                   9276:        before setting single_insn.  Compensate for this when choosing
                   9277:        the tree code to pass to `build'.
                   9278: 
                   9279:        * toplev.c (rest_of_compilation): If function is extern inline,
                   9280:        even if we can't inline it, don't compile it.
                   9281: 
                   9282: Fri Jul 16 21:33:50 1993  Richard Stallman  ([email protected])
                   9283: 
                   9284:        * dwarfout.c (dwarfout_init): Report failure of getpwd.
                   9285: 
                   9286: Fri Jul 16 15:59:07 1993  Ian Lance Taylor  ([email protected])
                   9287: 
                   9288:        * config/m68k/hp320.h (LINK_LIBGCC_SPECIAL, SPACE_AFTER_L_OPTION)
                   9289:        (LIB_SPEC): Move outside of USE_GAS conditional.
                   9290: 
                   9291: Fri Jul 16 14:26:25 1993  David d `zoo' Zuhn  ([email protected])
                   9292: 
                   9293:        * config.sub: if [ "$os" ] --> if [ x"$os" != x"" ]
                   9294: 
                   9295: Fri Jul 16 05:50:35 1993  Paul Eggert  ([email protected])
                   9296: 
                   9297:        * c-typeck.c (check_format): With -Wformat, warn about
                   9298:        printf("%ld", 1) even if sizeof (int) == sizeof (long),
                   9299:        since the code isn't portable.  Similarly for "%d" vs 1L.
                   9300: 
                   9301:        * c-typeck.c (convert_arguments) [PROMOTE_PROTOTYPES]:
                   9302:        With -Wconversion, use unpromoted type to check for signedness changes.
                   9303: 
                   9304: Thu Jul 15 13:04:48 1993  Richard Stallman  ([email protected])
                   9305: 
                   9306:        * fixincludes (stdlib.h): Check carefully for definition of size_t.
                   9307: 
                   9308: Wed Jul 14 19:05:51 1993  Richard Stallman  ([email protected])
                   9309: 
                   9310:        * fixincludes: Fix size_t definition in stdlib.h as in types.h.
                   9311:        Also a conditional to prevent repeated definition.
                   9312: 
                   9313: Wed Jul 14 14:53:26 1993  Ian Lance Taylor  ([email protected])
                   9314: 
                   9315:        * fixincludes: Don't discard comment end characters on lines that
                   9316:        look like "#endif */".  Fixes Esix 4.0.4 problem.
                   9317: 
                   9318: Wed Jul 14 12:20:13 1993  Jeffrey A. Law  ([email protected])
                   9319: 
                   9320:        * pa.c (emit_move_sequence): Use cint_ok_for_move instead of
                   9321:        checking each condition ourselves.
                   9322: 
                   9323:        * pa-utahmach.h (CPP_PREDEFINES): Do not define HPUX_SOURCE, hp700
                   9324:        or HP700.
                   9325:        * pa1-utahmach.h (CPP_PREDEFINES): Do not define hp9000s800,
                   9326:        hp9k8, HPUX_SOURCE, or hp800.
                   9327: 
                   9328:        * Allow unconditional jumps in delay slots of call and millicode
                   9329:        call instructions.
                   9330:        * pa.h (TARGET_JUMP_IN_DELAY): New target flag to allow/disallow
                   9331:        jump instructions in call delay slots.
                   9332:        (TARGET_SWITCHES): Add -mjump-in-delay and -mno-jump-in-delay.  
                   9333:        Provide -mno alternatives for most options.
                   9334:        (output_call): Declare.
                   9335:        * pa.c (output_call): New function to output a function call or
                   9336:        millicode call, possibly with a jump in the delay slot.
                   9337:        (output_mul_insn): Accept additional argument, use output_call.
                   9338:        (output_div_insn): Likewise.
                   9339:        (output_mod_insn): Likewise.
                   9340:        (jump_in_call_delay): New function to determine if the given 
                   9341:        JUMP_INSN is in the delay slot of a call or millicode call.
                   9342:        * pa.md (uncond_branch): New type attribute.  Explicitly disallow
                   9343:        uncond_branch in most delay slots.
                   9344:        (in_call_delay attribute): New test for delay slot of call insns.
                   9345:        Allow uncond_branches in the delay slot if TARGET_JUMP_IN_DELAY.
                   9346:        (define_delay for calls, millicode calls, branches, returns, etc):
                   9347:        Broken up into two define delays.  One for calls and millicode 
                   9348:        calls, a second for branches, returns, etc.
                   9349:        (millicode insns): Pass the current insn down to 
                   9350:        output_{mul,div,mod}_insn.
                   9351:        (jump insn): Use "uncond_branch" type attribute.  Length of this
                   9352:        insn varies if it is in the delay slot of a call.
                   9353:        (call_internal_symref): Use output_call.
                   9354:        (call_value_internal_symref): Likewise.
                   9355:        (call_internal_reg): Use %r syntax instead of just register numbers.
                   9356:        (call_value_internal_reg): Likewise.
                   9357: 
                   9358: Wed Jul 14 02:19:11 1993  Richard Stallman  ([email protected])
                   9359: 
                   9360:        * rtl.def (CONCAT): New rtx code.
                   9361:        * emit-rtl.c (gen_lowpart_common, gen_highpart): Handle CONCAT.
                   9362:        (operand_subword): Likewise.
                   9363:        (gen_reg_rtx): For complex mode, return a CONCAT of two pseudos.
                   9364:        * stmt.c (expand_decl): Make a CONCAT, for decls of complex type.
                   9365:        * dbxout.c (dbxout_symbol_location): Subroutine broken out from
                   9366:        dbxout_symbol.  Handle CONCAT here.
                   9367:        (dbxout_symbol_name): New subroutine.  Handle anonymous decls too.
                   9368:        (dbxout_reg_parms): Simplify using dbxout_symbol_location.
                   9369:        Handle CONCAT.
                   9370: 
                   9371:        * c-typeck.c (build_c_cast): When casting to union, if value is array
                   9372:        or function, do default_conversion.
                   9373: 
                   9374: Wed Jul 14 00:52:23 1993  Jim Blandy  ([email protected])
                   9375: 
                   9376:        * config.sub: Add case for Bull dpx/2.
                   9377: 
                   9378: Mon Jul 12 17:26:53 1993  Richard Stallman  ([email protected])
                   9379: 
                   9380:        * fixincludes: When looking for #define CTRL,
                   9381:        accept multiple spaces between the two words.
                   9382: 
                   9383:        * reload1.c (reload): Don't free scratch_list or scratch_block if 0.
                   9384: 
                   9385: Mon Jul 12 17:12:31 1993  Paul Eggert  ([email protected])
                   9386: 
                   9387:        * c-common.c (unsigned_conversion_warning): Just use `warning',
                   9388:        not `pedwarn'; these diagnostics are not required by Standard C.
                   9389:        * c-typeck.c (convert_for_assignment): Use `convert_and_check',
                   9390:        not `convert', for converting arithmetic types, since
                   9391:        `convert_and_check' no longer reports an error
                   9392:        where it should just warn.
                   9393: 
                   9394: Mon Jul 12 16:44:37 1993  Richard Stallman  ([email protected])
                   9395: 
                   9396:        * config/i386/i386.md (ffssi2, ffshi2): Assume bsf produces
                   9397:        garbage if input is 0.  Use jumps to load output in that case.
                   9398: 
                   9399:        * config/vax/vax.h (INITIALIZE_TRAMPOLINE): Add code to
                   9400:        do an rei to clear the insn cache.
                   9401: 
                   9402: Sun Jul 11 18:13:47 1993  Richard Stallman  ([email protected])
                   9403: 
                   9404:        * config/ns32k/ns32k.c (output_move_double): Do the low reg first,
                   9405:        when only the high reg has an overlap.
                   9406: 
                   9407:        * c-typeck.c (convert_arguments): Don't warn about sign change
                   9408:        for an INTEGER_CST inside NOP_EXPR, if value not fits new type.
                   9409:        Delete the code to check for VAL having enumeration type.
                   9410: 
                   9411:        * i860.c (output_move_double): Fix typos in Jun 28 change.
                   9412: 
                   9413: Sat Jul 10 16:05:26 1993  Jim Wilson  ([email protected])
                   9414: 
                   9415:        * i860.c (output_move_double): Only set highest_first if first reg
                   9416:        of dest overlaps memory src address.  Otherwise, if addreg1 set and
                   9417:        is same as second reg of dest, suppress trailing decrement.
                   9418:        
                   9419: Sat Jul 10 19:49:31 1993  Jeffrey A. Law  ([email protected])
                   9420: 
                   9421:        * jump.c (jump_optimize): Correctly identify branches to the end
                   9422:        of a function so that they may be turned into RETURN insns.
                   9423: 
                   9424: Sat Jul 10 17:37:12 1993  Richard Stallman  ([email protected])
                   9425: 
                   9426:        * collect2.c (main): Allocate COLLECT_NAME string with xmalloc.
                   9427: 
                   9428: Sat Jul 10 14:44:29 1992  Chip Salzenberg  ([email protected])
                   9429: 
                   9430:        * basic-block.h (REGSET_ELT_TYPE): Make unsigned to avoid
                   9431:        signed arithmetic overflow.
                   9432:        * hard-reg-set.h (HARD_REG_ELT_TYPE): New unsigned type to
                   9433:        avoid signed arithmetic overflow.
                   9434:        (HARD_REG_SET): Define as HARD_REG_ELT_TYPE, or array thereof.
                   9435:        (HARD_CONST): Always cast to HARD_REG_ELT_TYPE.
                   9436:        (*_HARD_REG_*): Use unsigned HARD_CONST and HARD_REG_ELT_TYPE
                   9437:        types instead of assuming HOST_WIDE_INT. 
                   9438: 
                   9439: Sat Jul 10 10:25:16 1993  Karl Berry  ([email protected])
                   9440: 
                   9441:        * fixincludes: Check for symlinks being available in /tmp.
                   9442: 
                   9443: Sat Jul 10 02:01:08 1993  Richard Stallman  ([email protected])
                   9444: 
                   9445:        * config/m68k/3b1.h (MY_ISCOFF, OBJECT_FORMAT_COFF, NO_SYS_SIGLIST):
                   9446:        New definitions.
                   9447: 
                   9448: Fri Jul  9 20:40:29 1993  Jeffrey A. Law  ([email protected])
                   9449: 
                   9450:        * pa.md (dbra and movb patterns): Fix constraints so that FP
                   9451:        registers are never preferred.
                   9452: 
                   9453: Fri Jul  9 17:36:35 1993  Holger Teutsch  ([email protected])
                   9454: 
                   9455:        * va-clipper.h: Make var/stdargs compatible with apogee's acc.
                   9456:        (__gnuc_va_list): Replace __va_f and __va_r with __va_reg.
                   9457:        (__va_list, _SYS_INT_STDARG_H): New defines.
                   9458:        (va_arg): Corresponding changes.
                   9459: 
                   9460:        * config/clipper/clipper.c (clipper_builtin_saveregs) : Dito.
                   9461: 
                   9462: Fri Jul  9 13:39:08 1993  Brendan Kehoe  ([email protected])
                   9463: 
                   9464:        Cygnus<->FSF merge.
                   9465:        Fri Jul  9 12:17:20 1993  Brendan Kehoe  ([email protected])
                   9466: 
                   9467:        * cp-typeck.c (build_array_ref): Force the array to be allocated on
                   9468:        the stack if it is accessed by a out-of-bound constant integer
                   9469:        subscript.
                   9470: 
                   9471:        * cp-decl.c (pushdecl): Undo change to generate a new _TYPE node for
                   9472:        a typedef.
                   9473: 
                   9474:        Thu Jul  8 16:25:52 1993  Brendan Kehoe  ([email protected])
                   9475: 
                   9476:        * cp-decl.c (pushtag): Don't mark the binding layer marker; for
                   9477:        dwarf debugging, do mark the TYPE_DECL we created as ignored.
                   9478: 
                   9479:        * cp-tree.h (IN_CHARGE_NAME): Define to not need DOLLAR_IN_LABEL.
                   9480:        (VTBL_PTR_TYPE): Likewise.
                   9481:        (VTABLE_DELTA_NAME, VTABLE_INDEX_NAME, VTABLE_PFN_NAME,
                   9482:        VTABLE_DELTA2_NAME): Use two leading underscores.
                   9483: 
                   9484:        Thu Jul  8 14:31:40 1993  Brendan Kehoe  ([email protected])
                   9485: 
                   9486:        * cp-tree.h (TREE_ANON_UNION_ELEM): Deleted, it's never set.
                   9487:        * cp-decl.c (build_default_constructor): Delete checking
                   9488:        TREE_ANON_UNION_ELEM.
                   9489:        * cp-init.c (emit_base_init): Likewise.
                   9490:        * cp-type2.c (my_friendly_abort): Update count.
                   9491: 
                   9492:        * cp-type2.c (build_functional_cast): Disable assert 323 (see
                   9493:        comments for explanation).
                   9494: 
                   9495:        * cp-typeck.c (comp_target_parms): Return 0 if strict is != 0, not
                   9496:        just > 0.
                   9497: 
                   9498:        * cp-decl.c (init_decl_processing): Don't set WARN_RETURN_TYPE.
                   9499: 
                   9500:        Wed Jul  7 18:36:59 1993  Niklas Hallqvist  ([email protected])
                   9501: 
                   9502:        Add the changes to redo how we handle scoping. [Merged by bpk.]
                   9503: 
                   9504:        * cp-class.c ({pop,push}_nested_class): New functions to use
                   9505:        instead of plain {push,pop}class.  These functions will see to
                   9506:        that static entities of enclosing classes will be visible.
                   9507:        * cp-tree.h ({pop,push}_nested_class): Declare them.
                   9508:        * cp-decl.h ({finish,start}_function): Use these new functions
                   9509:        instead of plain {push,pop}class calls.
                   9510:        (grokdeclarator): Ditto.
                   9511:        * cp-decl2.c (build_push_scope): Ditto.
                   9512:        * cp-class.c (popclass): Only call pop_class_decls if MODIFY is
                   9513:        set.
                   9514: 
                   9515:        * cp-decl.c (start_decl): Maybe call pushdecl_class_level instead of
                   9516:        pushdecl.  This is used for nested types.
                   9517:        (grokdeclarator): Remove the {push,pop}level calls around the
                   9518:        indirect recursion occuring when groking class-local typedefs.
                   9519:        Remove the error check of such typedefs hiding other fields in the
                   9520:        same scope.  Remove the pushdecl_class_level call since start_decl
                   9521:        does the work now.
                   9522: 
                   9523:        Class scoping (and type value caching) redone.  The new behaviour
                   9524:        is triggered by NEW_CLASS_SCOPING being defined to 1.  The old
                   9525:        behavior is accomplished by defining it to the value 0.  The entries
                   9526:        below describes the effective changes when NEW_CLASS_SCOPING is set
                   9527:        to non-zero.
                   9528: 
                   9529:        * cp-class.c (set_class_shadows): Add prototype.
                   9530:        (previous_class_values): New variable.
                   9531:        (pushclass): Adapted to not use previous_class_type & unuse_fields.
                   9532:        Removed setting of IDENTIFIER_CLASS_VALUE.
                   9533:        (popclass): Adapted to not use previous_class_type.  Don't reset
                   9534:        IDENTIFIER_CLASS_VALUE.  Moved call of pop_class_decls.
                   9535:        (maybe_push_cache_obstack): New function.
                   9536:        * cp-decl.c (current_class_depth): Add extern decl.
                   9537:        (previous_class_values): Add extern decl.
                   9538:        (pop_decl_level): Don't reset IDENTIFIER_CLASS_VALUE.
                   9539:        (set_class_shadows): New function.
                   9540:        (poplevel_class): Adjust setting of IDENTIFIER_CLASS_VALUE to only
                   9541:        happen if we're not leaving a toplevel class.
                   9542:        (push_to_top_level): Don't use adjust_type_value.
                   9543:        (set_identifier_type_value): Reverse the choice between class and
                   9544:        local scope when installing the type value.
                   9545:        (set_identifier_local_value): Set the type value if we're seeing a
                   9546:        TYPE_DECL.
                   9547:        (set_nested_typename): Added comment.
                   9548:        (pushtag): Don't call set_identifier_type_value.  Leave out
                   9549:        setting of IDENTIFIER_CLASS_VALUE.
                   9550:        (adjust_type_value): Removed.
                   9551:        (pushdecl): Don't call adjust_type_value.
                   9552:        (pushdecl_class_level): Call push_class_level_binding.  Set the
                   9553:        type value if we're seeing a TYPE_DECL.
                   9554:        (push_class_level_binding): New function whose guts came from
                   9555:        pushdecl_class_level.
                   9556:        (globalize_nested_type): See to that both the class_shadowed and
                   9557:        type_shadowed lists in the binding stack gets updated correctly.
                   9558:        Don't call set_identifier_type_value on the DECL_NESTED_TYPENAME.
                   9559:        Clear DECL_CLASS_CONTEXT as well as DECL_CONTEXT.  Install a
                   9560:        correct IDENTIFIER_{CLASS,TYPE}_VALUE if needed.
                   9561:        (grokdeclarator): Prefer pushdecl_class_level over pushtag when
                   9562:        recording a nested typedef.
                   9563:        (build_enumerator): Don't install a method-local enumerator into
                   9564:        class scope.
                   9565:        * cp-decl2.c (grokfield): Don't call set_identifier_type_value.
                   9566:        * cp-search.c (closed_envelopes): New list containing information
                   9567:        of what decls should be pushed when entering a class scope.
                   9568:        (dfs_pushdecls): Build and maintain the closed_envelopes list
                   9569:        instead of managing the IDENTIFIER_CLASS_VALUEs directly.
                   9570:        (dfs_compress_decls): Adapted to recognize the envelopes
                   9571:        dfs_pushdecls has installed in the IDENTIFIER_CLASS_VALUE slots.
                   9572:        (push_class_decls): Tell overload_template_name to push the
                   9573:        template decls into class scope instead of building a new level.
                   9574:        Added code to open up the envelopes in closed_envelopes and
                   9575:        install the class/type values in the class binding contour with
                   9576:        proper shadowing.
                   9577:        (dfs_popdecls): Removed.
                   9578:        (pop_class_decls): Removed the actual decl-popping code, leaving
                   9579:        just the obstack freeing pop_search_level call.  The popping is
                   9580:        automatically handled by poplevel now.
                   9581:        * cp-tree.h (NEW_CLASS_SCOPING): A new macro constant defaulted to
                   9582:        the value 1.
                   9583:        (adjust_type_value): Prototype removed.
                   9584:        (push_class_level_binding): Added prototype.
                   9585: 
                   9586:        Wed Jul  7 11:04:09 1993  Brendan Kehoe  ([email protected])
                   9587: 
                   9588:        * cp-decl.c (pushdecl): When processing a typedef statement,
                   9589:        generate a whole new ..._TYPE node.  Be careful that the type we're
                   9590:        looking at isn't an error_mark_node.
                   9591: 
                   9592:        * cp-class.c (finish_struct): Set the DECL_CONTEXT on the type we've
                   9593:        found.
                   9594:        * cp-decl.c (pushtag): Mark the TYPE_DECL as ignored when using
                   9595:        dwarf debugging; don't ignore it if it's anonymous for dwarf
                   9596:        debugging.  Put the DECL_CONTEXT in the TYPE_CONTEXT of TYPE.
                   9597:        (globalize_nested_type): Remember to set TYPE_CONTEXT.
                   9598:        * cp-pt.c (overload_template_name): Set DECL_CONTEXT.
                   9599:        * cp-search.c (compute_visibility): Set DECL_CONTEXT if the context
                   9600:        is NULL.
                   9601: 
                   9602:        * cp-class.c (finish_struct): Mark the tag as ignored for dwarf
                   9603:        debugging.
                   9604: 
                   9605:        * cp-except.c (EHS_type): Don't make it static.
                   9606:        * cp-class.c (finish_struct): Don't create a default copy
                   9607:        constructor for the EHS_type.
                   9608: 
                   9609:        * cp-class.c (get_vtable_name): Leave the numbers in the name for
                   9610:        the vtable, so we're uniform with what prepare_fresh_vtable is
                   9611:        doing.  Introduces a binary incompatability.
                   9612: 
                   9613:        * cp-tree.c (build_cplus_method_type): Mark the first argtype (the
                   9614:        this pointer) as artificial.
                   9615: 
                   9616:        * cp-init.c (do_friend): Don't allow a friend of a class that's not
                   9617:        yet been defined; instead, complain.  Make sure we mark every decl
                   9618:        that comes in as being a friend of something.
                   9619: 
                   9620:        * cp-decl2.c (grokclassfn): Mark the __in_chrg parameter as
                   9621:        artificial.  Don't mark it as readonly, and for destructors make
                   9622:        sure the first arg in the arg_types chain has TREE_SIDE_EFFECTS set,
                   9623:        so it's seen as artificial.
                   9624:        (finish_vtable_vardecl): For dwarf debugging, make the vtable's
                   9625:        VAR_DECL node be ignored.  
                   9626: 
                   9627:        * cp-decl.c (redeclaration_error_message): Use comptypes to see if
                   9628:        OLDDECL and NEWDECL have the same type.
                   9629:        * cp-typeck.c (comptypes): Compare the main variants of the types,
                   9630:        after we've checked the qualifiers that could have been used on them.
                   9631: 
                   9632:        * cp-call.c (EVIL_RETURN, QUAL_RETURN, TRIVIAL_RETURN, ZERO_RETURN):
                   9633:        Rewrite definitions to not use do/while(0), to avoid bogus warnings
                   9634:        on compilers that can't deal with a return inside it.  Change all
                   9635:        uses of them to do `return FOO_RETURN'. 
                   9636: 
                   9637:        Tue Jul  6 13:00:44 1993  Brendan Kehoe  ([email protected])
                   9638: 
                   9639:        * cp-decl.c (duplicate_decls): Set GIVE_ERROR so we know where the
                   9640:        previous declaration was for empty parameter name list declarations.
                   9641: 
                   9642:        * cp-class.c (finish_struct): Clean up error message about anonymous
                   9643:        classes.
                   9644: 
                   9645:        * cp-class.c (finish_struct): Don't play with TAIL when we're
                   9646:        dealing with a TYPE_DECL of a RECORD_TYPE; the list continues on
                   9647:        just fine, and TAIL is only used for managing FN_FIELDS.
                   9648: 
                   9649:        * cp-decl.c (pushlevel): Change cast to HOST_WIDE_INT.
                   9650:        * cp-search.c (breadth_first_search): Likewise.
                   9651: 
                   9652:        Fri Jul  2 19:24:55 1993  Steve Chamberlain  ([email protected])
                   9653: 
                   9654:        * cp-method.c: Include "cp-class.h"
                   9655: 
                   9656:        Fri Jul  2 18:16:10 1993  Michael Tiemann  ([email protected])
                   9657: 
                   9658:        * cp-call.c (build_overload_call_real): Don't look at a required
                   9659:        template instantiation and a speculative template instantiation as
                   9660:        two different functions if they are really the same function.
                   9661: 
                   9662:        Thu Jul  1 22:28:46 1993  Michael Tiemann  ([email protected])
                   9663: 
                   9664:        * cp-tree.h: Don't include "cp-class.h" here.
                   9665:        * cp-call.c, cp-cvt.c: Include it here instead.
                   9666: 
                   9667:        Thu Jul  1 18:42:03 1993  Mike Stump  ([email protected])
                   9668: 
                   9669:        * cp-decl.c (duplicate_decls): Fix typo.  (olddecl->olddecls)
                   9670: 
                   9671:        Thu Jul  1 18:34:12 1993  Brendan Kehoe  ([email protected])
                   9672: 
                   9673:        New implementation of argument matching.  This is now much cleaner
                   9674:        to read, and is designed such that it should be easy to tweak
                   9675:        things when incorrect decisions are made based on the candidates
                   9676:        being examined.
                   9677: 
                   9678:        * cp-decl2.c (flag_ansi_overloading): New variable.
                   9679:        (lang_f_options): Add -fansi-overloading.
                   9680:        * toplev.c (lang_options): Add -fansi-overloading and
                   9681:        -fno-ansi-overloading.
                   9682: 
                   9683:        * cp-class.h (harshness_code): New struct.
                   9684:        (candidate): New members `h' and `h_len' used by new method.  New
                   9685:        anonymous union `v', with ansi_harshness and old_harshness.
                   9686:        Deleted member `harshness' (used by old method, now in `v').
                   9687:        Change every file that uses harshness to refer to it in the union
                   9688:        as appropriate.
                   9689:        (EVIL_CODE, CONST_CODE, ELLIPSIS_CODE, USER_CODE, STD_CODE,
                   9690:        PROMO_CODE, QUAL_CODE, TRIVIAL_CODE): New macros.
                   9691: 
                   9692:        * cp-call.c (EVIL_RETURN, QUAL_RETURN, TRIVIAL_RETURN,
                   9693:        ZERO_RETURN): New macros.
                   9694:        (rank_for_overload): Renamed to rank_for_overload_old.
                   9695:        (rank_for_overload_ansi): New function for new method.
                   9696:        (rank_for_overload): Call the appropriate fn based on the new flag.
                   9697:        (rank_for_ideal): New function for new method.
                   9698:        (compute_harshness): Renamed to compute_harshness_old.
                   9699:        (compute_harshness_ansi): New function for new method.
                   9700:        (compute_conversion_costs): Renamed to compute_conversion_costs_old.
                   9701:        (compute_conversion_costs_ansi): New function for new method.
                   9702:        (compute_conversion_costs): Call the appropriate fn based on the
                   9703:        new flag.
                   9704:        (ideal_candidate): Renamed to ideal_candidate_old.
                   9705:        (ideal_candidate_ansi): New function for new method.
                   9706:        (ideal_candidate): Call the appropriate fn based on the new flag.
                   9707:        (strictly_better): New function for new method.
                   9708:        (build_method_call): Change things to use the new method if
                   9709:        -fansi-overloading is set.
                   9710:        (build_overload_call_real): Likewise.
                   9711:        * cp-cvt.c (convert_to_aggr): Likewise.
                   9712: 
                   9713:        * cp-call.c (build_overload_call_real): Only use the speed hack
                   9714:        to trigger immediately if the OVERLOAD_NAME has a global value if we
                   9715:        aren't using the new overloading scheme.
                   9716: 
                   9717:        * cp-cvt.c (build_type_conversion): Only accept using an `operator
                   9718:        double' if there isn't a conflicting `operator int', if
                   9719:        -fansi-overloading is on. 
                   9720: 
                   9721:        Thu Jul  1 17:54:44 1993  Mike Stump  ([email protected])
                   9722: 
                   9723:        * cp-decl.c (duplicate_decls): Propagate some changes from C
                   9724:        front-end.  Conflicts with built-in functions are now only warnings.
                   9725: 
                   9726:        Thu Jul  1 15:43:48 1993  Mike Stump  ([email protected])
                   9727: 
                   9728:        * cp-call.c (build_field_call): Use real type if type is a
                   9729:        REFERENCE_TYPE.
                   9730:        * cp-parse.y (primary): Cleanup and move some code out into new
                   9731:        function build_object_ref.
                   9732:        * cp-tree.h (build_object_ref): New function.
                   9733:        * cp-typeck.c (build_object_ref): Define new function.
                   9734:        * cp-typeck.c (build_x_function_call): Return error_mark_node if
                   9735:        first argument is, and handle when TREE_PURPOSE is a binfo and comes
                   9736:        from lookup_fnfields.
                   9737: 
                   9738:        Thu Jul  1 13:48:46 1993  Brendan Kehoe  ([email protected])
                   9739: 
                   9740:        * cp-lex.c (readescape): Don't complain for \% unless pedantic.
                   9741: 
                   9742:        Wed Jun 30 10:35:50 1993  Brendan Kehoe  ([email protected])
                   9743: 
                   9744:        * cp-decl2.c (bad_specifiers): Moved to cp-decl.c.  New args
                   9745:        `inlinep' and `object' (old object renamed to type), so we can see
                   9746:        where the thing was declared.  Use error_with_decl instead of error.
                   9747:        * cp-decl.c (grokdeclarator): Pass INLINEP and DECL down; move calls
                   9748:        so we'll have a valid DECL to give it.
                   9749:        * cp-tree.h (bad_specifiers): Deleted prototype.
                   9750: 
                   9751:        * cp-call.c (build_scoped_method_call): If it's a reference, work
                   9752:        with the actual type.
                   9753:        * cp-type2.c (build_scoped_ref): Likewise.
                   9754: 
                   9755:        Tue Jun 29 19:49:57 1993  Mike Stump  ([email protected])
                   9756: 
                   9757:        * cp-lex.c (default_copy_constructor_body): Hack broken code to work
                   9758:        marginally better than how it worked before, so that PlotFile3D's
                   9759:        make check of libg++ works.
                   9760: 
                   9761:        Tue Jun 29 12:44:48 1993  Brendan Kehoe  ([email protected])
                   9762: 
                   9763:        * cp-typeck.c (mark_addressable): Don't complain about taking the
                   9764:        address of an object with register storage class; it's legal in C++. 
                   9765: 
                   9766:        * cp-typeck.c (convert_arguments): Only warn about passing an object
                   9767:        through an ellipsis.
                   9768: 
                   9769:        * cp-parse.y (typed_declspecs): Make sure the TYPESPEC we hit
                   9770:        upon is non-null.
                   9771: 
                   9772:        Tue Jun 29 11:58:03 1993  Tony Deigh  ([email protected])
                   9773: 
                   9774:        * cp-decl.c (grokdeclarator): Look at the decl as a FUNCTION_TYPE
                   9775:        before seeing if its TYPE_MAIN_VARIANT matches or it's a friend;
                   9776:        this way, we can properly detect declaration of another class's
                   9777:        methods inside another class.  Solves chainon aborts.
                   9778: 
                   9779:        Tue Jun 29 09:47:36 1993  Brendan Kehoe  ([email protected])
                   9780: 
                   9781:        * cp-class.c (finish_struct): Use pedwarn_with_decl for warnings
                   9782:        about non-static const/ref in class without a ctor, so the line
                   9783:        number is helpful.
                   9784: 
                   9785:        Tue Jun 29 02:46:39 1993  Mike Stump  ([email protected])
                   9786: 
                   9787:        * cp-cvt.c (build_up_reference): Delete unneed cast.
                   9788:        * cp-typeck.c (convert_for_assignment): Likewise.
                   9789: 
                   9790:        Mon Jun 28 19:19:34 1993  Mike Stump  ([email protected])
                   9791: 
                   9792:        * cp-lex.c (real_yylex): Use pedwarn to warn about using catch, try
                   9793:        and throw as identifiers.
                   9794: 
                   9795:        Mon Jun 28 11:13:17 1993  Brendan Kehoe  ([email protected])
                   9796: 
                   9797:        * cp-method.c (hack_identifier): Only look for visibility if we have
                   9798:        a basetype path.
                   9799: 
                   9800:        * cp-decl.c (grokdeclarator): Also forbid the subscripting operator,
                   9801:        and class member access operator being declared as a non-member
                   9802:        function.
                   9803: 
                   9804:        * cp-init.c (add_friend): Pedwarn on duplicate friend decls.
                   9805: 
                   9806:        * cp-init.c (is_friend_type): New function.
                   9807:        (is_friend): Call it; rewrite in minor ways, to clean the code up.
                   9808:        * cp-tree.h (is_friend_type): Add prototype.
                   9809:        * cp-search.c (compute_visibility): Also check if the
                   9810:        CURRENT_CLASS_TYPE is a friend of CONTEXT, which can buy us access
                   9811:        to the field in question.
                   9812: 
                   9813:        * cp-init.c (sort_member_init): Disable assert that was wrong.
                   9814: 
                   9815:        * cp-class.c (finish_struct): Make declaration of a non-static const
                   9816:        or reference member get a pedwarn if the class it's in has no
                   9817:        constructor.
                   9818: 
                   9819:        * cp-decl2.c (grokfield): Fix up the error message about member
                   9820:        initialization.
                   9821: 
                   9822:        * cp-typeck.c (c_expand_return): Make sure we don't set
                   9823:        CURRENT_FUNCTION_RETURNS_VALUE if we set CURRENT_FUNCTION_RETURNS_NULL.
                   9824: 
                   9825:        * cp-method.c (dump_init): Don't emit digit_buffer if we're giving
                   9826:        an enum's tag.
                   9827: 
                   9828: Fri Jul  9 16:45:25 1993  David d `zoo' Zuhn  ([email protected])
                   9829: 
                   9830:        * config.sub: Make -solaris reflect the most recent major release.
                   9831: 
                   9832: Fri Jul  9 16:18:20 1993  Jeffrey A. Law  ([email protected])
                   9833: 
                   9834:        * Change length attributes to use bytes instead of instruction
                   9835:        counts.
                   9836:        * pa.h (CASE_VECTOR_MODE): Change to DImode.
                   9837:        * pa.c (compute_movstrsi_length): Return length in bytes.
                   9838:        (pa_adjust_insn_length): Return adjustment in bytes.
                   9839:        (output_cbranch): Handle lengths as bytes.
                   9840:        (output_bb, output_dbra, output_movb): Likewise.
                   9841:        * pa.md (default length define_attr): Lengths are in bytes now.
                   9842:        (asm_attributes): Likewise.
                   9843:        (delay slot attributes): Deal with lengths in bytes.
                   9844:        (explicit length computations): Compute length in bytes.
                   9845: 
                   9846:        * Make more dbra insns and support movb insns.
                   9847:        * pa.h (output_dbra, output_movb): Declare.
                   9848:        * pa.md (dbra pattern): Use output_dbra.
                   9849:        (dbra pattern #2): New pattern.  Also use output_dbra.
                   9850:        (movb, inverted movb): New patterns.
                   9851:        * pa.c (pa_adjust_insn_length): dbra and movb insns which have
                   9852:        their output in a FP register do not need adjustment.
                   9853:        (output_cbranch, output_bb): Handle conditional jump to the
                   9854:        following instruction.
                   9855:        (output_dbra): New function extracted from dbra pattern.
                   9856:        (output_movb): New function.
                   9857:        (eq_neq_comparison_operator): New function.
                   9858:        (movb_comparison_operator): New function.
                   9859: 
                   9860: Fri Jul  9 01:07:52 1993  Richard Stallman  ([email protected])
                   9861: 
                   9862:        * config/m68k/mot3300.h (ASM_OUTPUT_OPCODE): Don't add .w suffix
                   9863:        to jump insns.
                   9864: 
                   9865:        * combine.c, cse.c: Include stdio.h before rtl.h.
                   9866: 
                   9867: Wed Jul  7 18:06:45 1993  Jim Wilson  ([email protected])
                   9868: 
                   9869:        From [email protected]:
                   9870:        * sparc.c (singlemove_string): Convert SFmode by REAL_VALUE... macros.
                   9871:        * sparc.h (ASM_OUTPUT_FLOAT, ASM_OUTPUT_DOUBLE):
                   9872:        Use REAL_VALUE_TO_DECIMAL to generate decimal string.
                   9873:        (REAL_ARITHMETIC): Define.
                   9874: 
                   9875:        * sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Use
                   9876:        STARTING_FRAME_OFFSET.
                   9877:        (STARTING_FRAME_OFFSET): Set to -16.
                   9878: 
                   9879:        * c-parse.in (simple_if): Save stmt_count, and print empty body
                   9880:        warning here.
                   9881:        (if_prefix): Don't save stmt_count here.
                   9882:        (stmt): Don't print empty body warning here.
                   9883: 
                   9884:        * combine.c (simplify_comparison): Add parentheses to satify gcc.
                   9885:        * sparc.c (sparc_frw_save_restore): Likewise.
                   9886:        * expr.c (convert_to_mode): Move misplaced parentheses.
                   9887: 
                   9888: Wed Jul  7 16:37:26 1993  Jeffrey A. Law  ([email protected])
                   9889: 
                   9890:        * Improve code for conditional branches and dbra insns on the PA.  
                   9891:        * pa.c (pa_adjust_insn_length): Rewrite so that it only adjusts
                   9892:        insns which really need adjustment.
                   9893:        (output_cbranch): Rework so that output templates are simpler.  
                   9894:        Use shorter sequence for long backwards conditional branches with
                   9895:        a filled delay slot that is nullified.  More agressively use "skip"
                   9896:        instructions.  More agressively nullify the delay slot if nothing
                   9897:        useful could be placed there.
                   9898:        (output_bb): Likewise.
                   9899:        (forward_branch_p): New function.
                   9900:        * pa.md (conditional branches): Use the full displacement range
                   9901:        for the branch target.  Update length computations to match current
                   9902:        reality.
                   9903:        (branch on bit patterns): Likewise.
                   9904:        (decrement_and_branch_until_zero): Re-enable pattern.  Rewrite to
                   9905:        be simpler and more efficient.  Also handle case where loop counter
                   9906:        is in a FP register.
                   9907: 
                   9908: Wed Jul  7 11:19:03 1993  Ian Lance Taylor  ([email protected])
                   9909: 
                   9910:        * glimits.h (MB_LEN_MAX): Don't override the value from the system
                   9911:        <limits.h>.  Just define it if it is not already defined.
                   9912: 
                   9913:        * collect2.c (main): Search for ld in the compiler directories.
                   9914: 
                   9915: Wed Jul  7 13:40:55 1993  Jim Wilson  ([email protected])
                   9916: 
                   9917:        * collect2.c (fork_execute, scan_prog_file): Use "fork" in error
                   9918:        messages instead of "vfork" when vfork is defined to fork.
                   9919: 
                   9920: Tue Jul  6 16:38:36 1993  Jim Wilson  ([email protected])
                   9921: 
                   9922:        * sparc.c (sparc_type_code): Recognize SET_TYPE.  For special
                   9923:        Fortran/Pascal types, just return qualifiers instead of aborting.
                   9924: 
                   9925:        * c-decl.c (insert_block): Correct typo in comment.
                   9926: 
                   9927:        * combine.c (simplify_and_const_int, LSHIFTRT case): Must be at
                   9928:        least as many sign bit copies as bits in mask.
                   9929: 
                   9930:        * c-typeck.c (build_conditional_expr):  All simplified results
                   9931:        must go through pedantic_non_lvalue.
                   9932:        * cp-typeck.c (build_conditional_expr): Likewise.
                   9933:        * fold-const.c (fold, COND_EXPR case): Likewise.
                   9934:        (pedantic_non_lvalue): New function.
                   9935:        * tree.h (pedantic_non_lvalue): Add declaration.
                   9936: 
                   9937:        * fold-const.c (invert_truthvalue): Check for ERROR_MARK input.
                   9938: 
                   9939:        * m68k.h (LEGITIMATE_BASE_REG_P): New macro.
                   9940:        (INDIRECTABLE_1_ADDRESS_P, GO_IF_INDEXABLE_BASE,
                   9941:        LEGITIMATE_INDEX_REG_P): Accept SUBREG everywhere REG is accepted.
                   9942: 
                   9943:        * sparc.h (EXTRA_CONSTRAINT): For 'T', pass address not mem to
                   9944:        strict_memory_address_p call.  For 'U', don't accept unallocated
                   9945:        pseudo-reg when strict.
                   9946: 
                   9947:        * sparc.c (output_move_quad): Implement CNSTOP case.
                   9948: 
                   9949:        * i960.h (ASM_OUTPUT_COMMON): Use SIZE not ROUNDED.
                   9950: 
                   9951: Tue Jul  6 02:12:15 1993  Richard Stallman  ([email protected])
                   9952: 
                   9953:        * cse.c (simplify_binary_operation, case MINUS): Fix backwards
                   9954:        test added in last change.
                   9955: 
                   9956:        * config/i386/sun.h (SIZE_TYPE): Deleted.
                   9957: 
                   9958:        * c-typeck.c (convert_arguments): Don't warn for -Wconversion
                   9959:        about signedness of an arg that's extended from narrower unsigned type.
                   9960: 
                   9961:        * c-decl.c (duplicate_decls): Don't warn for non-extern var decl
                   9962:        following an extern one (for -Wredundant-decls).
                   9963: 
                   9964: Mon Jul  5 17:50:27 1993  Richard Kenner  ([email protected])
                   9965: 
                   9966:        * reload1.c (emit_reload_insns): Don't use gen_lowpart_common to
                   9967:        get reload register into proper mode.
                   9968:        * reload.c (subst_reloads): Likewise.
                   9969: 
                   9970:        * combine.c (subst, case PLUS): Simplify (plus (comp A B) -1), etc.
                   9971: 
                   9972:        * fold-const.c (fold, case EQ_EXPR, LE_EXPR): If comparing results
                   9973:        of signed MOD with zero, use an unsigned MOD.
                   9974: 
                   9975:        * calls.c: Fix typo: had ARGS_GROW_DOWNARD.
                   9976: 
                   9977:        * configure (rs6000-ibm-aix): Use default files for aix3.2 and
                   9978:        aix31.h for aix3.[01].  Add new file x-aix31.
                   9979:        * rs6000.c (input_operand): Fix missing operand on a return.
                   9980:        (print_operand): Add new code '.'.
                   9981:        (rs6000_sa_size): Delete unused variable `i'.
                   9982:        (output_prolog, output_epilog): Use new RS6000_CROR_BIT_NUMBER.
                   9983:        * rs6000.h (CPP_PREDEFINES): Define _AIX32.
                   9984:        (ASM_DECLARE_FUNCTION_NAME, TEXT_SECTION_ASM_OP): Use ".text[PR]" as
                   9985:        csect name.
                   9986:        (RS6000_CROR_BIT_NUMBER): New macro.
                   9987:        (PRINT_OPERAND_PUNCT_VALID_P): Allow `.' as valid.
                   9988:        * rs6000.md (call patterns): Use %. in cror.
                   9989:        * x-rs6000 (CLIB): No longer need -lm.
                   9990:        * aix31.h, x-aix31.h: New files.
                   9991:        * aix32.h: Deleted.
                   9992: 
                   9993: Mon Jul  5 17:44:09 1993  John F Carr  ([email protected])
                   9994: 
                   9995:        * romp.md (movhi): When storing a constant in an HImode register, use
                   9996:        cal16 instead of cal so that the high bits are clear (combine
                   9997:        requires this).
                   9998: 
                   9999: Mon Jul  5 17:15:27 1993  Richard Stallman  ([email protected])
                   10000: 
                   10001:        * objc-act.c (encode_type_qualifiers): Add casts to enums in indices.
                   10002: 
                   10003: Mon Jul  5 02:25:54 1993  Doug Evans  ([email protected])
                   10004: 
                   10005:        * Makefile.in: Parameterize libgcc.a and install-libgcc
                   10006:        (LIBGCC and INSTALL_LIBGCC).
                   10007: 
                   10008:        * tree.c (get_narrower): Preserve unsignedness when bitschange == 0.
                   10009: 
                   10010: Sun Jul  4 02:55:46 1993  Richard Stallman  ([email protected])
                   10011: 
                   10012:        * expmed.c (store_split_bit_field, extract_split_bit_field):
                   10013:        Handle fields split across more than 2 aligned units.
                   10014: 
                   10015:        * expr.c (store_field): Test STRICT_ALIGNMENT at run time.
                   10016:        (expand_expr, COMPONENT_REF case): Fetch unaligned field as bitfield.
                   10017: 
                   10018:        * collect2.c (error, fatal, fatal_perror): Say collect2, not collect.
                   10019: 
                   10020:        * c-parse.in (primary): In statement expression case,
                   10021:        if compstmt returns something other than a BLOCK,
                   10022:        return it unchanged.
                   10023: 
                   10024: Sat Jul  3 20:32:43 1993  Minh Tran-Le  ([email protected])
                   10025: 
                   10026:        * fixinc.svr4: Added fixup for __STDC__ == 0 and __STDC__ == 1
                   10027:        cases found in sequent PTX-2.0.x headers.
                   10028: 
                   10029: Sat Jul  3 18:54:07 1993  Jeffrey A. Law  ([email protected])
                   10030: 
                   10031:        * pa.c (call_operand_address): Do not accept registers anymore.
                   10032:        * pa.md (call expanders): Emit different patterns for named calls
                   10033:        and indirect calls.
                   10034:        (call_internal_symref, call_internal_reg): New patterns. 
                   10035:        (call_internal): Deleted.  Now handled by call_interal_{symref,reg}.
                   10036:        (call_value_internal_symref, call_value_internal_reg): New patterns.
                   10037:        (call_value_internal): Deleted.  Now handled by
                   10038:        call_value_internal_{symref,reg).
                   10039: 
                   10040: Sat Jul  3 16:40:52 1993  Doug Evans  ([email protected])
                   10041: 
                   10042:        * collect2.c (main): Give ld_file_name an initial value.
                   10043: 
                   10044: Fri Jul  2 16:36:56 1993  Jim Wilson  ([email protected])
                   10045: 
                   10046:        * sparc.md (ashldi3+2): Change lshift to ashift.
                   10047: 
                   10048:        * sparc.md (zero_extendhisi2, extendhisi2, extendqihi2,
                   10049:        extendqisi2): Preserve the SUBREG_WORD value of subreg operands.
                   10050:        (ashldi3): Delete, obsoleted by lshldi3 pattern.
                   10051:        (lshldi3): Rename to ashldi3 for consistency with SImode shifts.
                   10052: 
                   10053: Fri Jul  2 01:10:56 1993  Richard Stallman  ([email protected])
                   10054: 
                   10055:        * Makefile.in (install-headers-tar): Ignore exit status of the
                   10056:        first tar command.
                   10057: 
                   10058: Thu Jul  1 14:31:45 1993  Doug Evans  ([email protected])
                   10059: 
                   10060:        * flow.c (find_auto_inc): In *p=expr;q=p+size case, avoid clobbering q
                   10061:        if referenced in expr.
                   10062: 
                   10063: Fri Jul  2 01:26:01 1993  Paul Eggert  ([email protected])
                   10064: 
                   10065:        * tree.h (pushcase, pushcase_range): Add a new converter
                   10066:        function argument that specifies how to convert case labels to the
                   10067:        nominal type.
                   10068:        * stmt.c (pushcase, pushcase_range): Likewise.
                   10069:        * c-parse.in (label): Use `convert_and_check' when checking for
                   10070:        overflow in case labels.
                   10071:        * cp-parse.y (simple-stmt): Similar change, but use `convert' instead;
                   10072:        this leaves the behavior unchanged for C++.  A C++ expert should look
                   10073:        into this.
                   10074: 
                   10075:        * tree.h (TREE_OVERFLOW): New macro.
                   10076:        * c-common.c (constant_expression_warning, overflow_warning,
                   10077:        convert_and_check): Distinguish between TREE_OVERFLOW, which is just
                   10078:        for warnings, and TREE_CONSTANT_OVERFLOW, which is for required
                   10079:        pedantic diagnostics.
                   10080:        * c-typeck.c (c_sizeof, build_c_cast): Set TREE_OVERFLOW in addition
                   10081:        to TREE_CONSTANT_OVERFLOW.
                   10082:        (store_init_value): STRIP_TYPE_NOPS is required before
                   10083:        constant_expression_warning.
                   10084:        * fold-const.c: (const_binop, fold_convert, fold):
                   10085:        Set TREE_OVERFLOW in addition to TREE_CONSTANT_OVERFLOW.
                   10086: 
                   10087: Thu Jul  1 20:55:27 1993  Richard Stallman  ([email protected])
                   10088: 
                   10089:        * reload1.c (eliminate_regs): Fix typo in BYTE_LOADS_ZERO_EXTEND.
                   10090: 
                   10091: Thu Jul  1 20:00:00 1993 DJ Delorie ([email protected])
                   10092: 
                   10093:        * gcc.c (choose_temp_base): Try multiple variables.  Don't
                   10094:        assume that the variable points to a valid directory.
                   10095: 
                   10096:        * gcc.c (pexecute): Handle the MS-DOS return codes correctly.
                   10097:        Add .exe to file name when appropriate.
                   10098: 
                   10099:        * configure.bat: Make gcc use its own obstack.o.
                   10100: 
                   10101:        * objc/makefile.dos: New file for building with djgpp.
                   10102: 
                   10103: Thu Jul  1 18:15:17 1993  Paul Eggert  ([email protected])
                   10104: 
                   10105:        * fixincludes, fixinc.svr4: Don't create absolute symbolic links;
                   10106:        make them relative instead.
                   10107:        * fixincludes: Remove special case for IRIX 4.0.1 that was
                   10108:        superseded by a more general fix to fixincludes.
                   10109: 
                   10110:        * fixinc.svr4: Remove everything after #endif, instead of trying
                   10111:         to turn it into comments, which loses inside comments.
                   10112:         * fixincludes: Likewise.  Remove #endif workarounds for Ultrix 4.[12]
                   10113:         and SunOS 4.1, which are no longer needed because of this bug fix.
                   10114: 
                   10115: Thu Jul  1 14:56:56 1993  Jeffrey A. Law  ([email protected])
                   10116: 
                   10117:        * pa.h (OVERRIDE_OPTIONS): Define.  Give a warning if -fpic or 
                   10118:        -fPIC was specified on the command line.
                   10119: 
                   10120:        * configure (hppa1.0-hp-hpux8.02): New target.
                   10121:        (hppa1.1-hp-hpux8.02): Accept "--gas" in this configuration.
                   10122:        * pa-oldas.h: New target for 1.0 machines running HPUX 8.02.
                   10123:        * pa.c (output_arg_descriptor): Reverse polarity of test for
                   10124:        HP_FP_ARG_DESCRIPTOR_REVERSED.
                   10125:        * pa.h (ASM_DOUBLE_ARG_DESCRIPTORS): Likewise.
                   10126:        * pa-hpux7.h (HP_FP_ARG_DESCRIPTOR_REVERSED): Define.
                   10127:        * pa1-oldas.h (HP_FP_ARG_DESCRIPTOR_REVERSED): Define.
                   10128:        (TARGET_DEFAULT): Clear useless bits in TARGET_DEFAULT.
                   10129:        * pa-utahmach.h (HP_FP_ARG_DESCRIPTOR_REVERSED): Do not define here.
                   10130:        * pa1-utahmach.h (HP_FP_ARG_DESCRIPTOR_REVERSED): Likewise.
                   10131:        * pa1-ghpux.h (HP_FP_ARG_DESCRIPTOR_REVERSED): Likewise.
                   10132:        * pa1-hpux.h (HP_FP_ARG_DESCRIPTOR_REVERSED): Likewise.
                   10133: 
                   10134: Thu Jul  1 09:48:23 1993  Richard Kenner  ([email protected])
                   10135: 
                   10136:        * fold-const.c (fold, case GE_EXPR, LT_EXPR): Don't assume 
                   10137:        result of comparison is integer_type_node.
                   10138: 
                   10139: Thu Jul  1 00:23:16 1993  Roland McGrath  ([email protected])
                   10140: 
                   10141:        * config/i386/mach.h (SIZE_TYPE): Definition deleted.
                   10142: 
                   10143: Wed Jun 30 16:16:20 1993  Richard Stallman  ([email protected])
                   10144: 
                   10145:        * config/m68k/sun3.h (SIZE_TYPE): Definition deleted.
                   10146: 
                   10147: Wed Jun 30 16:55:25 1993  John F Carr  ([email protected])
                   10148: 
                   10149:        * mips.c (gen_int_relational): For test with constant result,
                   10150:        copy const0_rtx or const_true_rtx to result register instead
                   10151:        of allocating a new pseudo-register.
                   10152: 
                   10153: Wed Jun 30 15:19:42 1993  Roland McGrath  ([email protected])
                   10154: 
                   10155:        * config.sub: Recognize `gnu' as a valid operating system.  Sheesh.
                   10156: 
                   10157: Wed Jun 30 13:43:45 1993  Jeffrey A. Law  ([email protected])
                   10158: 
                   10159:        * pa.c (output_function_prologue): Emit SAVE_SP flag if a frame
                   10160:        pointer is needed.
                   10161: 
                   10162: Wed Jun 30 00:52:25 1993  Richard Stallman  ([email protected])
                   10163: 
                   10164:        * collect2.c (main): Don't look for `gld' or `TARGET-gld'.
                   10165: 
                   10166:        * fixincludes (stdtypes.h): Verify that size_t etc. follow whitespace.
                   10167: 
                   10168:        * expr.c (expand_expr, case PLUS_EXPR): In the special case
                   10169:        to return sym+integer as an expression, limit it to when
                   10170:        the non-CONST_INT arg is at least a constant.
                   10171:        (expand_increment): Do preinc with single insn if there's such an insn.
                   10172: 
                   10173:        * stmt.c (expand_end_case): Pass 1 as UNSIGNEDP to emit_cmp_insn
                   10174:        when handling wide values.
                   10175:        Save original minval in orig_minval and use for making the table.
                   10176: 
                   10177: Tue Jun 29 22:28:06 1993  Jeffrey A. Law  ([email protected])
                   10178: 
                   10179:        * pa.c (singlemove_string): Use zdepi and ldil to load constants
                   10180:        into registers when appropriate.
                   10181: 
                   10182: Tue Jun 29 11:26:35 1993  Richard Stallman  ([email protected])
                   10183: 
                   10184:        * config.sub: Recognize -sysv* after -sysvr4.
                   10185: 
                   10186:        * config/vax/vax.h (GO_IF_NONINDEXED_ADDRESS): Declare reg_equiv_mem.
                   10187: 
                   10188: Mon Jun 28 20:12:04 1993  Steve Chamberlain  ([email protected])
                   10189: 
                   10190:        * config/sh/*:  Major rework.
                   10191: 
                   10192: Mon Jun 28 02:46:47 1993  Richard Stallman  ([email protected])
                   10193: 
                   10194:        * fixincludes (file): When changing VA_LIST to DUMMY_VA_LIST,
                   10195:        preserve _NEED___VA_LIST.
                   10196: 
                   10197:        * config/ns32k/ns32k.c (output_move_double): 
                   10198:        Handle reg[n,n+1] = mem[reg[n] + reg[n+1]].
                   10199:        * config/ns32k/ns32k.md (movdf, movdi): Delete `&' from constraint.
                   10200: 
                   10201:        * config/sparc/sparc.c (output_move_double): Use new local var
                   10202:        highest_first to make sure addreg1 gets handled in the overlap case.
                   10203:        In 2-reg-overlap case, really use proper reg in new address.
                   10204: 
                   10205:        * config/i860/i860.c (output_move_double): 
                   10206:        Handle reg[n,n+1] = mem[reg[n] + reg[n+1]].  Use new local var
                   10207:        highest_first to make sure addreg1 gets handled in the overlap case.
                   10208:        * config/i860/i860.md (movdf, movdi): Delete `&' from load constraint.
                   10209: 
                   10210:        * config/sparc/sol2.h (CPP_SPEC): For -compat-bsd, put the ucbinclude
                   10211:        dirs before, not after.
                   10212: 
                   10213:        * expr.c (store_field): Store unaligned field with bit field methods.
                   10214: 
                   10215:        * config/vax/vax.h (GO_IF_NONINDEXED_ADDRESS): If reload_in_progress,
                   10216:        check a REG's reg_equiv_mem the way we would check a MEM.
                   10217: 
                   10218:        * reload.c (find_reloads_address): Be selective about what inner
                   10219:        addresses to allow in an indirect mem ref.
                   10220: 
                   10221: Sun Jun 27 16:40:59 1993  Richard Stallman  ([email protected])
                   10222: 
                   10223:        * emit-rtl.c (copy_rtx_if_shared): Don't try to copy a 0-length vector.
                   10224: 
                   10225:        * config/m68k/x-apollo68 (TAROUTOPTS): New definition.
                   10226: 
                   10227:        * config.sub: Canonicalize -sco4 and -sco3.2.4 to -sco3.2v4.
                   10228: 
                   10229:        * gcc.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Check for -iwithprefixbefore.
                   10230:        (option_map): Add --include-with-prefix-before and
                   10231:        --include-with-prefix-after.
                   10232: 
                   10233: Sun Jun 27 16:04:52 1993  Holger Teutsch  ([email protected])
                   10234: 
                   10235:        * va-clipper.h: Use and define Macro __GNUC_VA_LIST. Define struct
                   10236:        __gnuc_va_list.
                   10237:  
                   10238: Sun Jun 27 08:32:19 1993  Richard Kenner  ([email protected])
                   10239: 
                   10240:        * machmode.h (INTEGRAL_MODE_P, FLOAT_MODE_P): New macros.
                   10241:        * cse.c (simplify_*_operation, fold_rtx, record_jump_cond, cse_insn):
                   10242:        Use them.
                   10243:        * combine.c (subst, apply_distributive_law): Likewise.
                   10244:        (reversible_comparison_p): Likewise.
                   10245:        Can reverse if MODE_COMPLEX_INT or MODE_PARTIAL_INT.
                   10246: 
                   10247:        * function.c (fixup_stack_1): Handle
                   10248:        current_function_internal_arg_pointer. 
                   10249: 
                   10250:        * stor-layout.c: Add prototypes for layout_record and layout_union.
                   10251:        (smallest_mode_for_size): New function.
                   10252:        (variable_size): Allow variable sizes if global_bindings_p returns a
                   10253:        negative value.
                   10254:        (mode_for_size): Fix incorrect comment.
                   10255:        (layout_decl): If DECL has a size already, don't copy from type.
                   10256:        (layout_type, case INTEGER_TYPE, ENUMERAL_TYPE): Use smallest
                   10257:        integer mode that fits, whether or not it fits exactly.
                   10258:        
                   10259:        * emit-rtl.c (restore_emit_status): Clear LAST_LABEL_NUM.
                   10260: 
                   10261:        * calls.c (expand_call): If function hasn't been used before,
                   10262:        call assemble_external.
                   10263: 
                   10264:        * expr.c (store_constructor): Treat QUAL_UNION_TYPE just
                   10265:        like UNION_TYPE.
                   10266:        (safe_from_p, case ADDR_EXPR): EXP is safe from X it is is static or
                   10267:        if the object whose address is being taken is safe from X.
                   10268:        (expand_expr): Fix misplaced comment from last change.
                   10269:        (expand_expr, case *_DECL): If not already used, assemble external.
                   10270:        (expand_expr, case EXIT_EXPR): Simplify.
                   10271:        (expand_expr, TRUTH_{AND,OR}IF_EXPR): Properly handle IGNORE case.
                   10272: 
                   10273:        * tree.c (array_type_nelts): Tighten up code and make more general.
                   10274:        (build_function_type): Allow function to return array.
                   10275:        (decl_function_context): Treat QUAL_UNION_TYPE like UNION_TYPE.
                   10276: 
                   10277:        * fold-const.c (fold, case TRUTH_XOR_EXPR): End with `return',
                   10278:        not `break'.
                   10279: 
                   10280:        * dwarfout.c (output_compile_unit_die): Add support for Ada.
                   10281: 
                   10282:        * c-iterate.c (collect_iterators, case SAVE_EXPR): Simplify code
                   10283:        added in previous change.
                   10284: 
                   10285:        * expr.c: Fix typo: was ARGS_GROW_DOWNARD.
                   10286: 
                   10287:        * combine.c (subst, case IF_THEN_ELSE): Install correct version of
                   10288:        last change.
                   10289: 
                   10290: Sat Jun 26 15:38:33 1993  Richard Stallman  ([email protected])
                   10291: 
                   10292:        * cccp.c (main): For -iwithprefix, if no include_prefix,
                   10293:        make a default from GCC_INCLUDE_DIR.
                   10294:        Support -iwithprefixbefore.
                   10295: 
                   10296:        * reload.c (find_reloads): When merging reloads again after they have
                   10297:        been changed, do check reload_reg_class and reload_nocombine.
                   10298: 
                   10299:        * config/sparc/sparc.md (movdf recognizer): Remove & from
                   10300:        constraint for loading mem to cpu reg.
                   10301: 
                   10302:        * expr.c (expand_assignment): If FROM is scalar function call,
                   10303:        expand_expr FROM before TO.
                   10304: 
                   10305:        * gcc.c (translate_options): `*' inhibits warning of extraneous arg.
                   10306: 
                   10307: Sat Jun 26 11:07:23 1993  Richard Kenner  ([email protected])
                   10308: 
                   10309:        * reload1.c (reload): Use reg_equiv_address for invalid addresses
                   10310:        of the form (mem (reg)).
                   10311: 
                   10312:        * config/*/xm-*.h: Remove line that #define's alloca
                   10313:        to __builtin_alloca.
                   10314: 
                   10315:        * fold-const.c (fold, case PLUS_EXPR, MINUS_EXPR): Apply
                   10316:        distributive law to multiplication.
                   10317:        (fold, case *_DIV_EXPR): Replace code to handle (A*C1)/C2 with
                   10318:        more general code to handle addition as well.
                   10319:        (fold, case *_MOD_EXPR): Add simplified version of above code.
                   10320: 
                   10321:        * integrate.c (function_cannot_inline_p): Can now inline nested
                   10322:        functions.
                   10323:        (expand_inline_function): Set up static chain if needed.
                   10324:        (output_inline_function): Don't switch to temporary allocation
                   10325:        here.
                   10326:        * toplev.c (compile_file): Switch to temporary allocation when
                   10327:        writing out inline function.
                   10328:        * cp-decl2.c (write_vtable_entries, finish_file): Likewise.
                   10329:        * c-decl.c, cp-decl.c (poplevel): Start new function context
                   10330:        when writing inline function.
                   10331: 
                   10332:        * c-decl.c (init_decl_processing): When making SIZETYPE,
                   10333:        start with name in SIZE_TYPE.  If -traditional, use a
                   10334:        signed version of that type, if it is unsigned.
                   10335: 
                   10336:        * fold-const.c: Add prototypes for static functions.
                   10337:        ({l,r}{shift,rotate}_double): COUNT arg is HOST_WIDE_INT, PREC is int.
                   10338:        (all_ones_mask): Remove __inline__.
                   10339:        (range_test): Make static; not used elsewhere.
                   10340:        * tree.h: Add more decls for functions in fold-const.c.
                   10341: 
                   10342:        * calls.c (expand_calls): Fix typo: ALLOCATE_OUTGOING_ARGS
                   10343:        should be ACCUMULATE_OUTGOING_ARGS.
                   10344: 
                   10345:        * tree.def (TRUTH_{AND,OR,XOR}_EXPR): Make code class be 'e' like
                   10346:        the rest of the truth operations.
                   10347:        * fold-const.c (fold_truthop): Treat a BIT_AND_EXPR with a constant of
                   10348:        one as if it were surrounded with an NE_EXPR.
                   10349:        (fold): Don't move operation into conditional if it
                   10350:        is BIT_{AND,OR}_EXPR with the constant 1; change it to TRUTH_*_EXPR
                   10351:        instead.
                   10352:        When moving things inside conditions, move comparisons as well as
                   10353:        binary operations.
                   10354:        Don't make a SAVE_EXPR when moving things inside conditionals unless
                   10355:        the value would really have been used twice.
                   10356: 
                   10357:        * expr.c (do_store_flag): When computing via a shift, allow for
                   10358:        an inner RSHIFT_EXPR in BITNUM.
                   10359:        Sometimes do the operations as signed.
                   10360: 
                   10361:        * combine.c (subst): apply_distributive_law can also handle AND.
                   10362:        (subst, case IF_THEN_ELSE): Make a shift when appropriate.
                   10363:        (simplify_shift_const): If we have an outer operation and made
                   10364:        a shift, see if it can be simplified.
                   10365: 
                   10366: Sat Jun 26 03:25:35 1993  Richard Stallman  ([email protected])
                   10367: 
                   10368:        * configure (i370-*-mvs*): New configuration.
                   10369:        * config/i370/i370.md, mvs370.c, tm-mvs.h, xm-mvs.h
                   10370: 
                   10371:        * final.c, varasm.c: Include ctype.h.
                   10372:        * c-lex.c: Include ctype.h.
                   10373:        (isalnum, isdigit): Macros deleted.
                   10374: 
                   10375:        * config/sparc/sparc.c (output_move_double): Handle
                   10376:        reg[n,n+1] = mem[reg[n] + reg[n+1]].
                   10377:        * config/sparc/sparc.md (movdi): Delete the earlyclobber in load case.
                   10378: 
                   10379: Sat Jun 26 03:15:38 1993  Doug Evans  ([email protected])
                   10380: 
                   10381:        * gcc.c (option_map): Add missing comma.
                   10382: 
                   10383: Sat Jun 26 02:17:28 1993  Richard Stallman  ([email protected])
                   10384: 
                   10385:        * config/we32k/we32k.c: Clean up formatting.
                   10386: 
                   10387:        * calls.c (calls_function_1): Add declaration.
                   10388: 
                   10389:        * config/m68k/m68k.md (fix_truncdfsi2, fix_truncdfhi2, fix_truncdfqi2):
                   10390:        Require TARGET_68881 as well as TARGET_68040.
                   10391: 
                   10392: Fri Jun 25 20:13:51 1993  Richard Stallman  ([email protected])
                   10393: 
                   10394:        * calls.c (calls_function): Don't scan a single save_expr twice.
                   10395:        (calls_function_1): New subroutine for the actual recursion.
                   10396: 
                   10397:        * c-parse.in (all_iter_stmt_simple): Add missing `else'.
                   10398: 
                   10399: Fri Jun 25 15:53:59 1993  Brendan Kehoe  ([email protected])
                   10400: 
                   10401:        Cygnus<->FSF merge.
                   10402:        Fri Jun 25 10:00:34 1993  Brendan Kehoe  ([email protected])
                   10403: 
                   10404:        * cp-decl.c: Delete some #if 0'd code that has been there forever.
                   10405: 
                   10406:        * cp-type2.c (my_friendly_abort): Update count of aborts (added by
                   10407:        emit_base_init rewrite).
                   10408: 
                   10409:        Make default copy constructors work properly.
                   10410:        * cp-lex.c (cons_up_default_function): Mark the generated ctor with
                   10411:        RID_INLINE, so it won't get emitted unless it's needed.
                   10412:        * cp-decl.c (grok_ctor_properties): If CTYPE has virtual base
                   10413:        classes, make sure we don't pay attention to the int that we
                   10414:        magically added to the ctor decl.
                   10415:        * cp-ptree.c (print_lang_type): Note a const copy ctor vs a normal
                   10416:        copy ctor.  Say if TYPE_HAS_DEFAULT_CONSTRUCTOR.
                   10417:        * cp-tree.h (cons_up_default_function): Modify prototype.
                   10418:        * cp-class.c (finish_struct): Also check TYPE_HAS_CONSTRUCTOR, so
                   10419:        we don't generate a default ctor if they already declared one
                   10420:        (taking whatever arg types).
                   10421: 
                   10422:        Wed Feb  3 17:41:02 1993  Chip Salzenberg  ([email protected])
                   10423: 
                   10424:        * cp-class.c (needs_const_ctor): Eliminate as meaningless.
                   10425:        (finish_struct) Always generate default functions.
                   10426:        Generate exactly one copy constructor: either "X(X&)" or
                   10427:        "X(const X&)", but not both.
                   10428:        * cp-lex.c (cons_up_default_function): Take list of fields
                   10429:        as a new parameter.  Use default_copy_constructor_body.
                   10430:        Set TREE_PUBLIC and DECL_EXTERNAL correctly for usage with
                   10431:        #pragma interface.      
                   10432:        (default_copy_constructor_body): New function (uses obstacks).
                   10433: 
                   10434:        Thu Jun 24 12:41:16 1993  Mike Stump  ([email protected])
                   10435: 
                   10436:        * cp-call.c (build_scoped_method_call, build_method_call): Remove
                   10437:        maybe_adjust argument to build_delete as it is unneeded and remove all
                   10438:        support for the magic cookie key in the area just before the data
                   10439:        allocated by new [].
                   10440:        * cp-decl.c (finish_function, maybe_build_cleanup,
                   10441:        push_exception_cleanup): Likewise.
                   10442:        * cp-decl2.c (delete_sanity, finish_file): Likewise.
                   10443:        * cp-init.c (init_init_processing, build_new,
                   10444:        maybe_adjust_addr_for_delete, build_delete, build_vbase_delete,
                   10445:        build_vec_delete): Likewise.
                   10446:        * cp-tree.c (build_cplus_new): Likewise.
                   10447:        * cp-tree.h (build_delete): Likewise.
                   10448: 
                   10449:        Wed Jun 23 17:18:41 1993  Brendan Kehoe  ([email protected])
                   10450: 
                   10451:        * cp-decl.c (init_decl_processing): Also catch SIGBUS.
                   10452:        (sigsegv): Rename to signal_catch; also reset SIGBUS.
                   10453: 
                   10454:        * cp-typeck.c (pointer_diff): Error if op1 is a pointer to an
                   10455:        incomplete type.
                   10456: 
                   10457:        Wed Jun 23 16:17:43 1993  Mike Stump  ([email protected])
                   10458: 
                   10459:        * cp-search.c (dfs_get_vbase_types, get_vbase_types): Conform to ARM
                   10460:        12.6.2 with respect to virtual bases.  Virtual bases are now
                   10461:        initialized in dfs order.
                   10462: 
                   10463:        Wed Jun 23 16:04:17 1993  Brendan Kehoe  ([email protected])
                   10464: 
                   10465:        * cp-tree.c (layout_basetypes): Disable the warning relating to a
                   10466:        non-virtual dtor.
                   10467: 
                   10468:        Tue Jun 22 20:03:59 1993  Mike Stump  ([email protected])
                   10469: 
                   10470:        * cp-lex.c (reinit_parse_for_block): Detect EOFs inside templates.
                   10471: 
                   10472:        Tue Jun 22 16:10:46 1993  Mike Stump  ([email protected])
                   10473: 
                   10474:        * cp-class.c (finish_struct): Set TYPE_NONCOPIED_PARTS now that the
                   10475:        right vtable can be found, so that the vtable pointers are set
                   10476:        correctly when implementing default copy constructors.
                   10477:        * cp-typeck.c (build_modify_expr): Use TYPE_NONCOPIED_PARTS in the
                   10478:        same way the backend uses it when implementing default copy
                   10479:        constructors.
                   10480: 
                   10481:        Tue Jun 22 10:50:56 1993  Brendan Kehoe  ([email protected])
                   10482: 
                   10483:        * cp-decl.c (grokdeclarator): Don't try to mangle the name of a fn
                   10484:        that has C linkage.
                   10485: 
                   10486:        * cp-init.c (xref_friends): Deleted fn, since it's the same as
                   10487:        xref_friend.
                   10488:        (xref_friend): Make it static.
                   10489:        (do_friend): Change call to xref_friend.
                   10490:        * cp-tree.h (xref_friend, xref_friends): Delete extern decls.
                   10491: 
                   10492:        * cp-tree.h (lang_type): Delete `dynamic' bit.
                   10493:        * gplus.gperf (dynamic): Delete reserved word.
                   10494:        * cp-hash.h: Generated a new version.
                   10495:        * cp-lex.c (init_lex): Delete doing an unset of `dynamic'.
                   10496:        * cp-parse.y (DYNAMIC): Delete token and setting it to %right.
                   10497:        (new, aggr): Delete DYNAMIC rules.
                   10498:        * cp-spew.c (init_spew, struct toks_follow_types): Delete DYNAMIC.
                   10499: 
                   10500:        * cp-typeck.c (convert_for_assignment): There's no standard
                   10501:        conversion from a pointer to member to a `void *'.
                   10502: 
                   10503:        * cp-decl.c (init_decl_processing): Add builtins for
                   10504:        __builtin_apply_args, __builtin_apply, and __builtin_return.
                   10505: 
                   10506:        Mon Jun 21 12:05:28 1993  Brendan Kehoe  ([email protected])
                   10507: 
                   10508:        * cp-decl2.c (grok_x_components): New function.  Adjust the code that
                   10509:        handles ENUMERAL_TYPEs and UNION_TYPEs to make more sense. 
                   10510:        * cp-parse.y (component_decl): Move a lot of code into that fn.
                   10511:        * cp-tree.h (grok_x_components): Add extern decl.
                   10512: 
                   10513:        * cp-parse.y (component_decl_list): Don't warn about a semicolon
                   10514:        after a component_decl_list.
                   10515: 
                   10516:        * cp-search.c (lookup_field): Be careful to handle operators
                   10517:        properly when complaining about ambiguities &c.
                   10518: 
                   10519:        * cp-search.c (dfs_pushdecls): Make sure we have a context before
                   10520:        seeing if it derives from TYPE.
                   10521: 
                   10522:        Fri Jun 18 08:14:11 1993  Brendan Kehoe  ([email protected])
                   10523: 
                   10524:        * cp-decl2.c (finish_anon_union): Use simple_cst_equal to find the
                   10525:        member that can hold all the values, instead of just doing a compare
                   10526:        between the DECL_SIZEs.
                   10527: 
                   10528:        Wed Jun 16 10:57:37 1993  Brendan Kehoe  ([email protected])
                   10529: 
                   10530:        * cp-typeck.c (build_unary_op): Make sure it's the global fn `main'
                   10531:        before complaining about taking the address of it.
                   10532: 
                   10533:        * cp-decl.c (grokdeclarator): Also forbid `operator ()' as a
                   10534:        non-member fn.
                   10535: 
                   10536:        * cp-decl.c (grok_reference_init): Don't allow an initializer list
                   10537:        as the initializer for a reference.
                   10538: 
                   10539:        * cp-method.c (dump_init): Handle a NON_LVALUE_EXPR.
                   10540: 
                   10541:        Sun Jun 13 12:55:22 1993  Brendan Kehoe  ([email protected])
                   10542: 
                   10543:        * cp-decl.c (grokvardecl): Don't complain about duplicate
                   10544:        definitions of `extern "C"' declarations (parallelize it with how
                   10545:        regular `extern' decls are handled).
                   10546: 
                   10547:        * cp-decl.c (start_function): Avoid a null-reference on CTYPE.
                   10548: 
                   10549:        * cp-cvt.c (build_default_binary_type_conversion): Look deeper into
                   10550:        what ARG1 and ARG2 are if they're POINTER_TYPEs.
                   10551: 
                   10552:        Thu Jun 10 12:09:17 1993  Brendan Kehoe  ([email protected])
                   10553: 
                   10554:        * cp-decl.c (grokdeclarator): Make the warning about opr-eq being a
                   10555:        member function be a pedwarn.
                   10556: 
                   10557:        Thu Jun 10 00:30:08 1993  Mike Stump  ([email protected])
                   10558: 
                   10559:        * cp-tree.h: (previous_class_type): Add external declaration.
                   10560:        * cp-class.c (prev_class_type): Rename to previous_class_type.
                   10561:        * cp-decl.c (struct saved_scope): Add previous_class_type slot.
                   10562:        * cp-decl.c (push_to_top_level, pop_from_top_level): Track
                   10563:        previous_class_type value.  The only trick is that we have to call
                   10564:        popclass(-1) when we have a previous_class_type that we are about to
                   10565:        destroy, to keep things in sync.
                   10566: 
                   10567:        Tue Jun  8 16:48:49 1993  Mike Stump  ([email protected])
                   10568: 
                   10569:        * cp-cvt.c (build_thunk, convert_fn_ptr): New routines to handle
                   10570:        thunks.
                   10571:        * cp-cvt.c (cp_convert_to_pointer): Use convert_fn_ptr when
                   10572:        converting non-static pointer to members.
                   10573: 
                   10574:        Tue Jun  8 16:41:59 1993  Brendan Kehoe  ([email protected])
                   10575: 
                   10576:        * cp-lex.c (reinit_parse_for_block): Make sure not to try to use
                   10577:        consume_string on an escaped double-quote. 
                   10578: 
                   10579:        Tue Jun  8 16:25:43 1993  Mike Stump  ([email protected])
                   10580: 
                   10581:        * cp-call.c (build_method_call): Don't search hidden functions from
                   10582:        base classes, as this violates chapter 10.
                   10583: 
                   10584:        Mon Jun  7 18:46:01 1993  Brendan Kehoe  ([email protected])
                   10585: 
                   10586:        * cp-init.c (emit_base_init): Rewrite, merging the two paths into
                   10587:        one for member initialization.  Now members will be initialized in
                   10588:        order of declaration, not in the order of the mem-initializer list.
                   10589:        (perform_member_init, sort_member_init): New functions.
                   10590: 
                   10591:        Mon Jun  7 18:01:31 1993  Mike Stump  ([email protected])
                   10592: 
                   10593:        * cp-search.c (is_subobject_of_p, lookup_field, lookup_fnfields):
                   10594:        Because virtual bases don't necessarily share the same binfo, use
                   10595:        the binfo hierarchy of TYPE_BINFO of any virtual bases, when
                   10596:        performing hiding checks.  Fixes problem introduced on Thu Mar 25
                   10597:        23:09:27 1993.  The symptom is the compiler reports non ambiguous
                   10598:        members as being ambiguous.
                   10599: 
                   10600:        Sun Jun  6 11:45:44 1993  Michael Tiemann  ([email protected])
                   10601: 
                   10602:        * cp-call.c (EVIL,TRIVIAL): New macros.
                   10603:        (convert_harshness): Use these macros.
                   10604: 
                   10605:        Sat Jun  5 19:06:13 1993  Michael Tiemann  ([email protected])
                   10606: 
                   10607:        * cp-init.c (emit_base_init): Make clearing BINFO_BASEINIT_MARKED
                   10608:        symmetric with its setting.  Fixes p2825.
                   10609: 
                   10610:        Thu Jun  3 16:24:30 1993  Brendan Kehoe  ([email protected])
                   10611: 
                   10612:        * cp-parse.y (component_declarator, component_declarator0):
                   10613:        Allow attribute after nameless field.
                   10614: 
                   10615:        * cp-lex.c (real_yylex): Take care to expand token_buffer before
                   10616:        storing each character.
                   10617: 
                   10618:        * cp-lex.c (real_yylex): If an integer value overflows so the high
                   10619:        word is negative, it's of unsigned long long type.  Integer constant
                   10620:        is unsigned for purposes of int_fits_type_p so that it compares huge
                   10621:        constants properly.  Warn about integers so large that they are
                   10622:        unsigned.
                   10623: 
                   10624:        * cp-cvt.c (convert_from_reference): Do an or-equals on setting
                   10625:        TREE_SIDE_EFFECTS for NVAL.
                   10626:        * cp-tree.c (lvalue_p): For a SAVE_EXPR, check its first argument.
                   10627: 
                   10628:        Thu Jun  3 11:34:35 1993  Brendan Kehoe  ([email protected])
                   10629: 
                   10630:        * cp-decl2.c (grok_alignof): New function.
                   10631:        * cp-parse.y (unary_expr, ALIGNOF unary_expr rule): Move the code
                   10632:        into the new function, to reduce the size of the parser.
                   10633:        * cp-tree.h (grok_alignof): Add prototype.
                   10634: 
                   10635:        * cp-decl.c (grokdeclarator): Allow function-call notation for
                   10636:        initialization of scalars as well as aggregates.
                   10637: 
                   10638:        * cp-decl.c (pushdecl): Don't pay attention to friends when noting a
                   10639:        missing `static' decl.  Disable this code for now.
                   10640: 
                   10641:        Wed Jun  2 12:23:05 1993  Brendan Kehoe  ([email protected])
                   10642: 
                   10643:        * cp-decl.c (duplicate_decls): Do a regular error if the line number
                   10644:        on NEWDECL hasn't been set yet (e.g., before finish_struct).
                   10645: 
                   10646:        * cp-class.c (finish_struct): Remove warning about a bit-field
                   10647:        having a bad type in ANSI C++, it's not appropriate given the
                   10648:        warning immediately above.
                   10649: 
                   10650:        * cp-typeck.c (require_instantiated_type): Don't allow an
                   10651:        initializer list in an argument list.
                   10652: 
                   10653:        * cp-decl.c (pushdecl): Change shadowing of a param in outermost
                   10654:        block of the fn from a pedwarn to an error, since it's a
                   10655:        redeclaration.
                   10656: 
                   10657:        * cp-class.c (finish_struct): Say anonymous classes and structs are
                   10658:        useless, not just classes.
                   10659: 
                   10660:        * cp-lex.c (real_yylex): Warn if catch, throw, or try are used as
                   10661:        identifier names.
                   10662: 
                   10663:        * cp-decl.c (pushdecl): Make sure we have a CURRENT_FUNCTION_DECL
                   10664:        before setting its public flag.
                   10665: 
                   10666:        * cp-decl.c (expand_static_init): Only complain about multiple
                   10667:        initializations of a static variable if we actually have an
                   10668:        initializer.
                   10669:        (finish_decl): Likewise for const.
                   10670: 
                   10671:        * cp-search.c (build_mi_matrix): Fix off-by-one error in
                   10672:        clearing of MI_MATRIX.
                   10673:        (get_base_distance): Init NEW_BINFO to 0.
                   10674: 
                   10675:        * cp-pt.c (instantiate_member_templates): Initialize XXX to 0.
                   10676: 
                   10677:        * cp-call.c (build_method_call): Zero out candidates.
                   10678:        (build_overload_call_real): Likewise.
                   10679: 
                   10680:        Wed Jun  2 11:53:24 1993  Mike Stump  ([email protected])
                   10681: 
                   10682:        * cp-search.c (lookup_fnfields_here): Use TYPE_MAIN_VARIANT on
                   10683:        context types before comparing.  Fixes const member functions not
                   10684:        being found in templates.
                   10685: 
                   10686:        Tue Jun  1 18:26:18 1993  Brendan Kehoe  ([email protected])
                   10687: 
                   10688:        * cp-parse.y (structsp): Avoid a null-ref on ID.
                   10689:        (left_curly): Likewise.
                   10690: 
                   10691:        Tue Jun  1 13:49:20 1993  Brendan Kehoe  ([email protected])
                   10692: 
                   10693:        * cp-decl.c (pushdecl): Communicate a `static' decl of a prototype
                   10694:        into its definition, if they forget to take care of it.
                   10695: 
                   10696:        * cp-init.c (emit_base_init): Make error message more useful about
                   10697:        insufficient initializers for a member of a class w/o a ctor.
                   10698: 
                   10699:        Sun May 30 09:45:06 1993  Michael Tiemann  ([email protected])
                   10700: 
                   10701:        * cp-call.c (compute_conversion_costs): Penalise each argument that
                   10702:        matches an ellipsis, not just the ellipsis itself.
                   10703:        (build_method_call): Don't consider a candidate an easy match if
                   10704:        cp->ellipsis is non-zero (fixes p2778).
                   10705: 
                   10706:        Sat May 29 09:34:57 1993  Michael Tiemann  ([email protected])
                   10707: 
                   10708:        * cp-cvt.c (convert_to_reference): Match ARM rules more closely by:
                   10709:        (1) not converting between types of different signedness, and
                   10710:        (2) converting between types of different varieties if a const&
                   10711:        suggests we can use a temporary (fixes p2780).
                   10712: 
                   10713:        * cp-decl.c (decls_match): Handle pseudo-match of parameter lists
                   10714:        according to p308 of the ARM.
                   10715:        (push_overloaded_decl): Ditto.
                   10716:        * cp-typeck.c (comptypes): Rest of change (closes p2779).
                   10717: 
                   10718:        * cp-call.c (compute_conversion_costs): Count ellipses when we see
                   10719:        them.
                   10720:        (ideal_candidate): Gracefully handle arg lists that have ellipses
                   10721:        (Fixes p2777).
                   10722: 
                   10723:        * cp-call.c (build_method_call): Delete some #ifdefs that are
                   10724:        obsoleted by ANSI.
                   10725: 
                   10726:        Fri May 28 12:15:21 1993  Brendan Kehoe  ([email protected])
                   10727: 
                   10728:        * cp-decl.c (finish_decl): Don't allow overloaded operators to have
                   10729:        default arguments.
                   10730: 
                   10731:        * cp-cvt.c (convert): If it's an anonymous enum, say so instead of
                   10732:        giving the cryptic `._123' as the enum type.
                   10733: 
                   10734:        Thu May 27 10:52:49 1993  Brendan Kehoe  ([email protected])
                   10735: 
                   10736:        * cp-decl.c (grokdeclarator): Return 0 instead of doing a 155 abort,
                   10737:        so we'll get the right error message later.
                   10738: 
                   10739:        * cp-type2.c (readonly_error): Give a more useful error when the arg
                   10740:        is a RESULT_DECL.
                   10741: 
                   10742:        * cp-init.c (build_new): Set LOOKUP_COMPLAIN on the flags, so we'll
                   10743:        pay attention to the visibility of the constructor we're trying to
                   10744:        call.
                   10745: 
                   10746:        * toplev.c (lang_options): Add warning about ctor/dtor privacy.
                   10747:        * cp-decl2.c (lang_decode_option): Grok it.  Make -Wall effect it.
                   10748:        (warn_ctor_dtor_privacy): New variable, default being on.
                   10749:        * cp-tree.h (warn_ctor_dtor_privacy): Add extern decl.
                   10750:        * cp-class.c (finish_struct_methods): Make the ctor warning
                   10751:        conditionalized on the flag.
                   10752:        (finish_struct): Likewise for ctors.
                   10753:        * invoke.texi (Option Summary, Warning Options): Add it.
                   10754:        (Options to Request or Suppress Warnings): Explain it.
                   10755: 
                   10756:        * cp-decl.c (grokdeclarator): Use a pedwarn on extern inline.
                   10757: 
                   10758:        Tue May 25 13:55:48 1993  Brendan Kehoe  ([email protected])
                   10759: 
                   10760:        * cp-init.c (build_delete): Don't pass the size as an argument to
                   10761:        builtin delete for a non-aggregate type.  Only pass it for a class
                   10762:        when we'll be using its own operator delete(). (complies w/ $12.5)
                   10763:        (build_x_delete): Don't pass the size down to builtin delete.
                   10764: 
                   10765:        * cp-decl2.c (delete_sanity): If it's a pointer to a type that has
                   10766:        no destructor, then build a regular delete expression, instead of a
                   10767:        vector one (since we didn't push any info into the BI_header_type
                   10768:        area).
                   10769: 
                   10770:        * cp-decl2.c (grok_array_decl): Add a pedwarn if they do `5[a]'.
                   10771: 
                   10772:        * cp-typeck.c (comptypes): Don't warn about t2 being an
                   10773:        error_mark_node.
                   10774: 
                   10775:        * cp-decl.c (finish_decl): If type is laid out, but decl is not,
                   10776:        call layout_decl.
                   10777: 
                   10778:        Mon May 17 10:35:55 1993  Brendan Kehoe  ([email protected])
                   10779: 
                   10780:        * cp-tree.h (error_not_base_type): Add prototype.
                   10781: 
                   10782:        Fri May 14 17:16:55 1993  Mike Stump  ([email protected])
                   10783: 
                   10784:        * cp-class.c (finish_struct): Use get_binfo instead of binfo_value
                   10785:        to find vfields.  Cures compiler_error.
                   10786: 
                   10787:        Thu May 13 14:57:51 1993  Mike Stump  ([email protected])
                   10788: 
                   10789:        * cp-tree.c (binfo_value): If type is the main binfo for elem,
                   10790:        return it.
                   10791: 
                   10792:        Wed May 12 13:10:07 1993  Brendan Kehoe  ([email protected])
                   10793: 
                   10794:        * cp-typeck.c (c_expand_return): Pedwarn on using return without a
                   10795:        value in a function that requires one.  Clear
                   10796:        CURRENT_FUNCTION_RETURNS_NULL, so we don't get a bogus warning about
                   10797:        reaching the end of a non-void function.
                   10798: 
                   10799:        Tue May 11 17:51:16 1993  Mike Stump  ([email protected])
                   10800: 
                   10801:        * cp-decl.c (start_decl): Allow -fexternal-templates compiled code to
                   10802:        fall back to old strategy of generating static copies for templates
                   10803:        that are not under the control of #pragma interface/implementation,
                   10804:        but warn if this happens.
                   10805:        * cp-decl2.c (warn_if_unknown_interface): Likewise.
                   10806:        * cp-lex.c (reinit_parse_for_method, cons_up_default_function):
                   10807:        Likewise.
                   10808:        * cp-pt.c (end_template_decl, instantiate_member_templates,
                   10809:        instantiate_template): Likewise.
                   10810:        * cp-tree.h (warn_if_unknown_interface): Likewise.
                   10811: 
                   10812:        Sat May  8 05:53:17 1993  Michael Tiemann  ([email protected])
                   10813: 
                   10814:        * cp-decl.c (finish_decl): TOPLEV should be set non-zero also if we
                   10815:        are at the pseudo-global level.  Use TOPLEV instead of testing
                   10816:        CURRENT_BINDING_LEVEL.
                   10817: 
                   10818:        Fri May  7 12:42:46 1993  Brendan Kehoe  ([email protected])
                   10819: 
                   10820:        * cp-decl2.c (grok_array_decl): New function.
                   10821:        * cp-parse.y (primary): Use it instead of lots of code in the
                   10822:        parser.
                   10823:        * cp-tree.h (grok_array_decl): Add prototype.
                   10824: 
                   10825:        * cp-parse.y (component_decl): Disable change about TYPE_DECLs going
                   10826:        into the TYPE_FIELDS list for now.
                   10827:        * cp-type2.c (store_init_value): Disable checks for now.
                   10828: 
                   10829:        Thu May  6 16:59:19 1993  Brendan Kehoe  ([email protected])
                   10830: 
                   10831:        * cp-lex.c (check_newline): Use a while instead of a do-while to
                   10832:        avoid reading the line after the #pragma if we're at a newline.
                   10833: 
                   10834:        Wed May  5 16:38:06 1993  Brendan Kehoe  ([email protected])
                   10835: 
                   10836:        * Makefile.in (stamp-cp-parse): Update reduce/reduce count to 13.
                   10837: 
                   10838:        * cp-decl2.c (delete_sanity): New function.
                   10839:        * cp-parse.y (unary_expr): Call it, getting rid of a lot of
                   10840:        repeated code in the parser.
                   10841:        * cp-tree.h (delete_sanity): Add prototype.
                   10842: 
                   10843:        * cp-init.c (emit_base_init): Don't try to do anything with a member
                   10844:        that lacks a DECL_NAME (e.g., types we added in component_decl from
                   10845:        the parser).
                   10846: 
                   10847:        Wed May  5 12:57:33 1993  Jim Wilson  ([email protected])
                   10848: 
                   10849:        * cp-parse.y (get_current_declspecs):  Obsolete, deleted.
                   10850: 
                   10851:        Tue May  4 13:46:09 1993  Brendan Kehoe  ([email protected])
                   10852: 
                   10853:        * cp-type2.c (process_init_constructor): Don't check for private or
                   10854:        protected members; we do that in store_init_value now.
                   10855: 
                   10856:        * cp-parse.y (simple_stmt): Use expr_no_commas instead of expr for
                   10857:        case labels.
                   10858: 
                   10859:        * cp-typeck.c (build_binary_op_nodefault): Add 'right' and 'left' to
                   10860:        shift count warnings to distinguish them from each other.
                   10861: 
                   10862:        * cp-decl.c (finish_decl, grokdeclarator): Report overflows in
                   10863:        storage sizes.
                   10864:        (build_enumerator): Report overflows on enumerators.
                   10865:        * cp-decl2.c (grokbitfield): Likewise.
                   10866:        * cp-parse.y (unary_expr): Warn about overflows in parser-built
                   10867:        unary expressions.
                   10868:        * cp-typeck.c (c_sizeof): Call force_fit_type only for INTEGER_CST.
                   10869:        (build_c_cast): Ignore any integer overflow caused by a cast.
                   10870:        (convert_for_assignment): Warn if source had overflow in folding.
                   10871:        (build_conditional_expr): Check conversions in if-then-else
                   10872:        expressions.
                   10873:        * cp-tree.h (convert_and_check, overflow_warning,
                   10874:        unsigned_conversion_warning): Add prototypes for fns in c-common.c.
                   10875: 
                   10876:        * cp-decl.c (init_decl_processing): Make the arrays 200 long to
                   10877:        leave enough room for most names.
                   10878: 
                   10879:        * cp-decl.c (lookup_label): Return a NULL_TREE if not within a
                   10880:        function.
                   10881:        * cp-parse.y (unary_expr, ANDAND identifier): Handle lookup_label
                   10882:        returning a NULL_TREE.
                   10883: 
                   10884:        * cp-method.c (dump_init): Grok a FIELD_DECL as well.
                   10885: 
                   10886:        * cp-decl.c (finish_function): Move setting of the DECL_RESULT's
                   10887:        context and calling setjmp_protect after poplevel, so we have a
                   10888:        valid DECL_INITIAL for the fndecl (not an error_mark_node).
                   10889: 
                   10890:        Mon Jan 25 11:04:23 1993  Niklas Hallqvist  (niklas at della.appli.se)
                   10891: 
                   10892:        * cp-parse.y (component_decl): Handle anonymous unions as static
                   10893:        class members.
                   10894:        * cp-decl.c (grokdeclarator): Ditto.
                   10895: 
                   10896:        * cp-decl.c (shadow_tag): Emit error message if static or extern
                   10897:        is specified as per ARM 7.1.1.
                   10898:     
                   10899:         * cp-decl2.c (finish_anon_union): Issue error if a global
                   10900:        anonymous union is not declared static, remove old funny error
                   10901:        about some optimizer failing.
                   10902: 
                   10903:         * cp-class.c (finish_struct): Corrected error message concerning
                   10904:        anonymous classes.
                   10905: 
                   10906:        * cp-lex.c (check_for_missing_semicolon): Allow trailing storage
                   10907:        specifiers.
                   10908: 
                   10909:        Fri Jan 29 09:39:17 1993  Niklas Hallqvist  (niklas at della)
                   10910: 
                   10911:        * cp-parse.y (component_decl): Nested unions, enums and structs
                   10912:        should have their TYPE_DECLs in the TYPE_FIELDS slot of the
                   10913:        containing type so the access flags eventually will get correctly
                   10914:        set.
                   10915: 
                   10916:        * cp-type2.c (store_init_value): Check for the aggregate conditions
                   10917:        described in ARM 8.4.1.
                   10918: 
                   10919:        Mon May  3 19:10:28 1993  Brendan Kehoe  ([email protected])
                   10920: 
                   10921:        * cp-lex.c (real_yylex): Don't warn about floating point out of
                   10922:        range if target floating-point format is IEEE.
                   10923: 
                   10924:        * cp-class.c (finish_struct): Promote unsigned bitfields to signed
                   10925:        int if the field isn't as wide as an int.
                   10926: 
                   10927:        * cp-search.c (dfs_pushdecls): Use warning_with_decl, so we give the
                   10928:        line number of the offending method declaration, rather than the
                   10929:        line number of the curly-brace that ends the class definition.
                   10930: 
                   10931:        Mon May  3 18:04:15 1993  Brendan Kehoe  ([email protected])
                   10932: 
                   10933:        * cp-cvt.c (convert): When doing int->enum conversions, always call
                   10934:        pedwarn, even if we didn't give `-pedantic'.
                   10935: 
                   10936:        * cp-decl.c (start_function): Add extern decl of
                   10937:        `flag_external_templates'.
                   10938: 
                   10939:        * cp-lex.c (check_newline): Warn if there's anything after a
                   10940:        `#pragma interface'.
                   10941: 
                   10942:        Mon May  3 12:39:49 1993  Brendan Kehoe  ([email protected])
                   10943: 
                   10944:        * cp-class.c (finish_struct_methods): Use `warning' on a class w/ a
                   10945:        private dtor and no friends, so the line number comes out right.  Also
                   10946:        only emit this warning when `extra_warnings' is true.
                   10947: 
                   10948:        * cp-type2.c (process_init_constructor): Don't allow use of an
                   10949:        initializer list for a class with private or protected members.
                   10950: 
                   10951:        Sat May  1 15:07:24 1993  Mike Stump  ([email protected])
                   10952: 
                   10953:        * cp-decl.c (start_decl, start_function): Add a new flag
                   10954:        -fexternal-templates.  Use flag_external_templates to determine when
                   10955:        template definitions should be made externally visible and
                   10956:        accessible.  This permits non-exponential growth in object files
                   10957:        that use templates.
                   10958:        * cp-decl2.c (lang_f_options): Likewise.
                   10959:        * cp-lex.c (reinit_parse_for_method, cons_up_default_function):
                   10960:        Likewise.
                   10961:        * cp-parse.y (template_instantiate_once): Likewise.
                   10962:        * cp-pt.c (end_template_decl, instantiate_member_templates,
                   10963:        instantiate_template, end_template_instantiation): Likewise.
                   10964:        * toplev.c (lang_options): Likewise.
                   10965: 
                   10966:        Fri Apr 30 18:50:00 1993  Brendan Kehoe  ([email protected])
                   10967: 
                   10968:        * cp-spew.c (arbitrate_lookup): If the next character is a '[', then
                   10969:        have the compiler assume it's an expression instead of a type.
                   10970: 
                   10971:        Fri Apr 30 14:39:28 1993  Mike Stump  ([email protected])
                   10972: 
                   10973:        * cp-class.c (maybe_fixup_vptrs): Use the VF_NORMAL_VALUE of the
                   10974:        vfields to get the binfo to get the vtable, so that we may pick up
                   10975:        the most derived version of the vtable.
                   10976: 
                   10977:        * cp-class.c (finish_base_struct): Always set the VF_NORMAL_VALUE so
                   10978:        that maybe_fixup_vptrs can get the most derived vtable.
                   10979: 
                   10980: Fri Jun 25 14:00:17 1993  Richard Stallman  ([email protected])
                   10981: 
                   10982:        * config.sub: Convert ...-sysvr4 into ...-sysv4.
                   10983: 
                   10984:        * config/m68k/news.h (CPP_PREDEFINES): Have two alternatives,
                   10985:        one for motorola and one for not motorola.
                   10986: 
                   10987:        * config/m68k/tower-as.h, mot3300.h, m68kv4.h, hp320.h, amix.h:
                   10988:        * config/m68k/3b1.h, crds.h (CPP_PREDEFINES): Add __motorola__.
                   10989: 
                   10990:        * expr.c (store_expr): If TARGET is volatile mem ref, return it.
                   10991: 
                   10992:        * toplev.c (lang_options): Add -fdollars-in-identifiers.
                   10993:        * c-decl.c (c_decode_option): Handle -fdollars-in-identifiers.
                   10994: 
                   10995: Fri Jun 25 13:33:39 1993  Jeffrey A. Law  ([email protected])
                   10996: 
                   10997:        * pa-hpux.h (LINK_SPEC): Search shared libraries by default; turn
                   10998:        off shared library searching of -static is specified.
                   10999:        * pa-ghpux.h (LINK_SPEC): Likewise.
                   11000: 
                   11001:        * pa.h (TARGET_SHARED_LIBS): Delete switch and all references to
                   11002:        the switch.
                   11003:        * pa.c: References to TARGET_SHARED_LIBS deleted.
                   11004:        * pa.md: Likewise.
                   11005: 
                   11006:        * pa-utahmach.h (TARGET_DEFAULT): Allow indexing on Mach ports.
                   11007:        * pa1-utahmach.h (TARGET_DEFAULT): Likewise.
                   11008:        * pa.h (TARGET_DISABLE_INDEXING): Clean up comments.
                   11009: 
                   11010: Fri Jun 25 00:50:48 1993  Richard Stallman  ([email protected])
                   11011: 
                   11012:        * expr.c (store_expr): Ignore SUGGEST_REG if target is volatile.
                   11013: 
                   11014:        * config/mips/mips.md (negdi2, negdi2_internal): Renamed from negdi3...
                   11015: 
                   11016: Thu Jun 24 00:31:27 1993  Richard Stallman  ([email protected])
                   11017: 
                   11018:        * gcc.c (option_map): Make --version alias for -dumpversion.
                   11019: 
                   11020: Wed Jun 23 07:50:21 1993  Richard Kenner  ([email protected])
                   11021: 
                   11022:        * romp.c (output_prologue): Delete unused var, INSN.
                   11023:        (output_encoded_offset): New function.
                   11024:        (output_epilogue): Minor changes to traceback table; call
                   11025:        new output_encoded_offset.
                   11026:        (romp_debugger_{auto,arg}_correction): New functions.
                   11027:        * romp.h (DBX_REGPARM_STABS_LETTER, DEBUGGER_{AUTO,ARG}_OFFSET):
                   11028:        New macros.
                   11029: 
                   11030:        * reorg.c (fill_slots_from_thread): When replacing a use of a
                   11031:        register with what it was set to, don't do it when either the
                   11032:        destination or source of the copy is set in the insn.
                   11033: 
                   11034:        * jump.c (jump_optimize): Properly make jump into store-flag
                   11035:        sequence when the jump can't be reversed but the TRUE branch
                   11036:        is const0_rtx. 
                   11037: 
                   11038:        * expr.c (expand_expr): Set IGNORE if target is const0_rtx or
                   11039:        result type is VOID.
                   11040:        Move most IGNORE processing to one place to avoid expanding things
                   11041:        that don't need to be expanded.
                   11042:        (expand_expr, case CONSTRUCTOR, case COND_EXPR): If IGNORE, don't
                   11043:        expand anything we don't have to.
                   11044:        (expand_expr, case CONVERT_EXPR): Don't deal with IGNORE here.
                   11045: 
                   11046: Wed Jun 23 07:47:32 1993  John F Carr  ([email protected])
                   11047: 
                   11048:        * regs.h (scratch_list, scratch_block, scratch_list_length): New vars.
                   11049:        * reload1.c (mark_scratch_live): New function.
                   11050:        (reload): Call it on each SCRATCH.
                   11051:        Free scratch list and block.
                   11052:        (spill_hard_reg): Reallocate any SCRATCH whose register we want to
                   11053:        spill.
                   11054:        * local-alloc.c (scratch_block, scratch_list{,_length}, scratch_index):
                   11055:        New variables.
                   11056:        (local_alloc): Allocate and initialize them.
                   11057:        (alloc_qty_for_scratch): Can allocate likely-spilled register
                   11058:        classes for SCRATCH.
                   11059:        (block_alloc): Likewise for regs in small register classes.
                   11060:        Only allocate a SCRATCH if it can fit in the block we make.
                   11061:        Don't mark regs used in SCRATCH live here; instead, make entry in
                   11062:        new tables.
                   11063: 
                   11064: Tue Jun 22 19:52:08 1993  Richard Stallman  ([email protected])
                   11065: 
                   11066:        * emit-rtl.c (copy_rtx_if_shared): In `E' case, get the length
                   11067:        before copying, and don't get it again after.
                   11068: 
                   11069: Tue Jun 22 10:50:56 1993  Brendan Kehoe  ([email protected])
                   11070: 
                   11071:        * toplev.c (report_error_function): Change format of the
                   11072:        included-file stack to be more readable.
                   11073:        * cccp.c (print_containing_files): Likewise.
                   11074: 
                   11075: Mon Jun 21 19:21:18 1993  Richard Kenner  ([email protected])
                   11076: 
                   11077:        * rs6000.c (print_operand, case 'J'): Write out shift count
                   11078:        of 0, not 32 for bit 31 of CCR.
                   11079: 
                   11080: See ChangeLog.7 for earlier changes.

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