--- gcc/ChangeLog 2018/04/24 16:37:52 1.1 +++ gcc/ChangeLog 2018/04/24 16:53:28 1.1.1.17 @@ -1,2695 +1,5031 @@ -Sun May 1 07:20:34 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) +Wed Feb 21 00:25:39 1990 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * Version 1.21 released. + * Version 1.37.1 released. - * expr.c (expand_call): Merge duplicate code for structure_value_addr. + * tm-mips.h (ASM_OUTPUT_ADDR_VEC_ELT and ASM_OUTPUT_ADDR_DIFF_ELT): + Start label names with $. - * emit-rtl.c (restore_reg_data): Delete error check; it's legit for - a pseudo reg to appear nowhere in the rtl. +Sun Feb 18 13:58:04 1990 Richard Stallman (rms at sugar-bombs.ai.mit.edu) -Sat Apr 30 07:35:31 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) + * tm-mips.h (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): + Start name with $. - * integrate.c (copy_rtx_and_substitute): Fix typo for arg_pointer_rtx. + * integrate.c (expand_inline_function): Round up size of parm_map. - * decl.c (poplevel): Undo previous change with #if 0. +Sat Feb 17 20:56:05 1990 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * stmt.c: `struct nesting' now records the depth on the stack. - Each expand_start... must update and record the depth; - each expand_end... uses macro POPSTACK to pop. - This way, if a level isn't explicitly popped, it won't cause - circular structure. + * tm-hp9k320.h (CPP_SPEC): Remove _INCLUDE__STDC__. - * dbxout.c (dbxout_type): Replace with main variant only if incomplete. +Sun Feb 11 20:11:25 1990 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * typecheck.c (build_unary_op): Test of `pedantic' was backwards. + * Version 1.37 released. - * expr.c (STACK_BYTES): Typo in definition. + * c-decl.c (complete_array_type): In permanent type, add perm nodes. - * typecheck.c (build_binary_op_nodefault): Rename code1 to code0, - and likewise for code2, tt1, tt2. + * out-i386.c (print_operand_address): Handle a MULT by itself. - * expr.c (expand_call): Wrong arg order for warning_with_decl. +Sat Feb 10 14:35:03 1990 Richard Stallman (rms at sugar-bombs.ai.mit.edu) -Fri Apr 29 08:41:06 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) + * ns32k.md (movsf): Convert double constant to float. - * integrate.c (copy_decl_tree): New arg is depth in recursion. - Always discard the outermost LET_STMT being copied; never discard any - others. This way the copied LET_STMTs correspond to the copied NOTEs. +Fri Feb 9 00:02:43 1990 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * varasm.c (decode_rtx_const): For SYMBOL_REF, use string address - not address of the rtx. Library fns have only one copy of the name - but many copies of the SYMBOL_REF. + * c-decl.c (duplicate_decls): Don't lose alignment of OLDDECL. - * expr.c (emit_call_1): New arg OLD_ARGS_SIZE is used to reset - current_args_size. - (emit_library_call, expand_call): Pass new arg; don't restore it here. + * cccp.c (handle_directive): Keep comments by copying them explicitly. - * flow.c (life_analysis): Don't mark sp live at end if fn is empty. + * cccp.c (rescan): When scanning for open-paren after macro name, + discard comments if appropriate. - * parse.y (parse_or_identifiers_1): Handle `error' in here, not in - callers notype_declarator etc. Also read the closeparen here. +Thu Feb 8 14:19:41 1990 Richard Stallman (rms at sugar-bombs.ai.mit.edu) -Thu Apr 28 12:43:52 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) + * c-decl.c (build_enumerator): Error if value outside range of int. - * expmed.c (expand_shift): In extzv strategy, handle the operand - predicates for operands 0, 1 and 3. (Not needed for 2.) - * vax.md: extzv pattern for SImode op1 must recognize general_operand - since the pattern named "extzv" allows them. + * tm-hp9k320.h (CPP_SPEC): Define _INCLUDE__STDC__ if not traditional. + * tm-hp9k310.h: Missing file brought back. -Wed Apr 27 00:52:44 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) +Mon Feb 5 12:49:36 1990 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * expr.c (emit_call_1): New arg NEXT_ARG_REG describes # regs - used for passing args. - (emit_library_call, expand_call): Provide that argument. + * reload1.c (spill_hard_reg): Return 1 if reg is explicitly used. + (reload): Cancel dummy reloads using regs subject to spill. - * explow.c (round_push): New fn: round arg up to STACK_BOUNDARY. - * expr.c (expand_builtin): Use round_push on size for __builtin_alloca. - * stmt.c (expand_decl): Likewise for variable-size objects. - * expr.c (expand_call): Likewise for args_size.var. - Also use STACK_BOUNDARY to round a constant arg-block size. - Pass emit_call_1 that rounded value. - (emit_library_call): Round arg_size with STACK_BOUNDARY. - * tm-spur.h: Define STACK_BOUNDARY instead of ROUND_CALL_BLOCK_SIZE. - * tm-m68k.h: Define STACK_BOUNDARY as 16. +Sun Feb 4 12:37:00 1990 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * expr.c (emit_call_1): Don't change current_args_size. - (emit_library_call, expand_call): Always restore current_args_size - to ambient value, after calling emit_call_1. + * tm-3b1g.h: New file. + * config.gcc (3b1g, 3b1-gas): New alternative. - * tm-hp9k320.h: Don't define USG here. - * config-hp9k3.h: New file. USG defined here. + * tm-att386.h (ASM_OUTPUT_COMMON): Don't use rounded size. - * tm-3b1.h: #undef ASM_OUTPUT_ASCII (a defn came from tm-hp9k320.h). +Fri Feb 2 17:04:37 1990 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * decl.c (grokdeclarator primarily): Cast all RID_... to (int) before - using them in arithmetic. Placates CC on Sequent. + * integrate.c (copy_for_inline): Use real width of rtunion in bcopy. + * emit-rtl.c (copy_rtx_if_shared): Likewise. - * emit-rtl.c (emit_jump_insn): Return proper value, for a SEQUENCE. - * emit-rtl.c (emit_call_insn): Handle SEQUENCE like emit_jump_insn. + * assert.h (assert) [__STDC__]: Use comma operator to avoid warning. -Tue Apr 26 02:41:26 1988 Richard Stallman (rms at lucky-charms.ai.mit.edu) + * c-decl.c (grokdeclarator): Traditionally change return type float + to double. - * cccp.c (macroexpand): If traditional, don't disable called macro. - (macarg1): Was failing to count backslash-newline inside a string - in a macro arg as part of file's linenumber. + * cse.c (predecide_loop_entry): Give up unless simple jump enters loop. -Mon Apr 25 18:46:53 1988 Richard Stallman (rms at lucky-charms.ai.mit.edu) +Thu Feb 1 02:02:21 1990 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * jump.c (jump_optimize): Don't do April 20 optimization on first - iteration; let other simpler opts be done before this is considered. + * tm-convex.h (FASCIST_ASSEMBLER, VTABLE_USES_MASK, VINDEX_MAX): + New definitions to control c++ files. -Sun Apr 24 02:45:28 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) + * reload1.c (inc_for_reload): Forget reg_last_reload_reg + for the reg being inc'd. - * tree.c (staticp): a CONSTRUCTOR can be static. + * limits.h (INT_MIN): Define so it has type `int', not unsigned. + (CHAR_MIN, SCHAR_MIN, SHRT_MIN): Put arens around value. - * varasm.c (output_constant_def): Always return memref, not address. +Wed Jan 31 12:54:07 1990 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * decl.c (complete_array_type): New fn, make an array type complete - based on an initializer. - (finish_decl): Use complete_array_type. - * parse.y (expr_no_commas): When parsing a constructor, - Use complete_array_type on constructors for incomplete array types. + * tm-mips.h (FUNCTION_PROLOGUE): Use CONST_OK_FOR_LETTER_P to see + if can update fp in one addiu insn. - * typecheck.c (digest_init, store_init_value,process_init_constructor): - It's now TREE_STATIC, not TREE_ADDRESSABLE, that records that all elts - in a CONSTRUCTOR are simple constants. - (digest_init): A CONSTRUCTOR with non-null type is treated as ordinary - expression, not as a braced initializer. - Allow init of an array from an array-valued expr; warn if pedantic. - * expr.c (expand_expr, CONSTRUCTOR case): Put in memory only if static. - Was making an extraneous level of MEM; output_constant_def does it all. + * reload1.c (reload): Reject fixed regs when finding groups to spill. - * typecheck.c (build_unary_op): Allow ADDR_EXPR of static CONSTRUCTOR. - (default_conversion): Likewise. - (initializer_constant_valid_p): Constructor is ok if static. + * assert.h (assert) [NDEBUG]: Make value nonempty. + (assert) [no NDEBUG]: Split into a version for __STDC__ and one not. + (_assert) [__STDC__]: Pass expression and file separately to _eprintf. + (_assert) [not __STDC__]: Likewise, but implemented differently. + * gnulib.c (__eprintf): Handle 3 args plus format string. - * gcc.c: Change -fnostd... to -nostd... - * cccp.c (main): Likewise. + * tm-i386.h (STACK_BOUNDARY): Define it. - * Everywhere: Use REG_NOTE_KIND to get the kind of a reg note. +Sat Jan 27 17:58:30 1990 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * rtl.c (find_regno_note): New function. - * flow.c (flow_deadp): Deleted; caller uses find_regno_note. - * global-alloc.c (reg_dead_p): Deleted. - (global_conflicts): Use find_regno_note instead of reg_dead_p. + * hard-params.c: Use explicit file name to include self. - * final.c (final) Use find_reg_note to look for a REG_INC. - * combine.c (insn_has_inc_p): deleted; callers use find_reg_note. - (try_combine): Use find_reg_note whenever looking for a REG_INC. - (regno_dead_p, remove_death): Check the REG_NOTE_KIND before assuming - that the datum in it is a REG. - * reload1.c (reload): Use find_reg_note to find a REG_EQUIV. +Fri Jan 26 01:38:29 1990 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * gcc.c: Don't delete .o files if not all compilations succeed. - (record_temp_file): New arg SUCCESS_ONLY--delete file only if succeed. - (delete_temp_files): New arg SUCCESS says compilation succeeded. - (store_arg): Now 3 possibilities for arg TEMPNAMEP; 2 = del on success. - (do_spec_1): For %d, set delete_this_arg to 2. + * cccp.c (rescan): Set beg_of_line when string ends at newline. + (skip_quoted_string): Don't swallow newline that ends a string. + (handle_directive): No need to back up here. + Pass LIMIT as second arg to skip_quoted_string. - * decl.c (poplevel): Warn about any still-incomplete type-tags. + * cccp.c (rescan): If traditional, end preproc number after expt sign. -Sat Apr 23 02:54:16 1988 Richard Stallman (rms at rice-krispies.ai.mit.edu) +Thu Jan 25 01:57:34 1990 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * expr.c (expand_builtin): For alloca, round arg up to multiple - of PARM_BOUNDARY. Also to convert it to Pmode unless it already is. + * loop.c (general_induction_var): Reject widening multiply. - * stor-layout.c (layout_union): Bug in 14 April change: - use caller-specified alignment as minimum, not as maximum. + * i860.md (andsi3): Truncate xop2 constant to 16 bits. - * parse.y (skip_white_space): Avoid infinite loop on unterm. comment. +Wed Jan 17 12:33:52 1990 Richard Stallman (rms at sugar-bombs.ai.mit.edu) -Fri Apr 22 00:22:59 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) + * tm-mips.h (CC1_SPEC): Don't complain about -g. - * cccp.c: Text following #else or #endif is just a warning. - (rescan): Digit-case was dropping into the $-case; reorder. + * c-typeck.c (build_compound_expr): Delete special case + that ignores expressions without side effects. - * cccp.c (rescan): Comment start when -traditional was output as - `/*'; should be nothing. + * stor-layout.c (layout_type): Struct requires BLKmode if any field + crosses a word boundary. - * jump.c (jump_optimize): Fix prev change: - do nothing if range1end == range2end; - don't lose any NOTEs when splicing. + * reload1.c (choose_reload_regs): Refix Sequent problem correctly. - * flow.c (propagate-block): For CALL_INSN, clobber the call-used regs - only after mark_set_regs is done; avoids confusion about lifespan - of function value reg. +Tue Jan 16 12:03:42 1990 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * gcc.c: Pass -Wcomment to cpp. + * c-parse.y (unary_expr): If sizeof or alignof gets a comma expr + which has array or function type, coerce it to pointer. - * cccp.c (main, rescan): If -Wcomment, warn if `/*' inside comment. + * fold-const.c (combine): Propagate carry when subtracting from 0. - * decl.c (duplicate_decls): Ignore `inline' decl following definition. + * fold-const.c (fold): For x++==const, do arith in type of const. - * m68k.md (casesi): Split it up into subroutines, so insns emitted - by the call to memory_address (on 68000) come in the right place. +Mon Jan 15 19:24:04 1990 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * combine.c (record_dead_and_set_regs): Notice storing in a SUBREG. + * cexp.y (exp): Accept unary +. - * integrate.c (expand_inline_function): Insn to copy a subroutine's - return-value was being output twice, once incorrectly. +Sun Jan 14 12:18:49 1990 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * reload.c (find_equiv_reg): A stack-push insn does not invalidate - an equiv for a goal in memory. - Any other write to memory does invalidate any goal in memory - (PARALLEL case failed to check for this). + * fold-const.c (lshift_double, rshift_double, lrotate_double): + (rrotate_double): Don't shift more than width of operand. - * expmed.c (expand_shift): In the extzv clause, force shifted value - out of memory if -fforce-mem. +Fri Jan 12 18:50:43 1990 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * print-tree.c (prtypeinfo): Some attributes were missing. - (dump): In ..._TYPE nodes, ignore the TREE_CHAIN field. + * recog.c (next_insns_test_no_inequality): Return 1 at end of rtl. - * cse.c (note_mem_written): Pushing on stack does not invalidate mem. +Thu Jan 11 14:09:47 1990 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * vax.md (extv/andl peephole opt): Made incorrect code if output was - pushed on stack. Added special case code. - (extv, extzv for SImode operand): Require register_operand. + * cccp.c (skip_if_group): Skip strings even if -traditional. + (handle_directive): Likewise, when handling copy_command. -Thu Apr 21 00:24:52 1988 Richard Stallman (rms at corn-chex.ai.mit.edu) + * i860.md (movsf): Ensure F to f is reloaded via r. - * stmt.c (assign_parms): Round current_function_pretend_args_size up. +Wed Jan 10 15:03:08 1990 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * integrate.c: `pushlevel' arg was missing. + * Makefile [3b1]: Propose redefinition of CCLIBFLAGS. - * dbxout.c (dbxout_type): Undo rest of March 29 change: - When a named type is first seen inside another type, output an xref - and let the real definition come out later. - It is strange that Sun dbx has sometimes appeared to demand - one strategy and sometimes appeared to demand the other. + * reload1.c (choose_reload_regs): Break down hairy if expression. - * typecheck.c (convert_for_assignment): Allow conversion to or from - `const void *', etc., unless pedantic. + * loop.c (loop_skip_over): Do nothing if don't find expected compare. - * decl.c (get_parm_types): For `foo (void){}', set last_function_parms - to nil so store_parm_decls won't lose. +Sun Jan 7 00:58:06 1990 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * combine.c (subst): (plus (plus X N) -N) => X. + * config.gcc: Add i386-mach. + * xm-i386.h: Use built-in alloca if compiling with GCC. - * explow.c ({anti_,}adjust_stack): Don't make a copy of - `stack_pointer_rtx'. + * optabs.c (emit_cmp_insn): Set CLASS after MODE. - * integrate.c (expand_inline_function): Typo testing for the - USE that indicates a CALL_INSN's value is being returned. +Sat Jan 6 15:33:32 1990 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * expr.c (expand_builtin, alloca case): Copy arg to reg before - adjusting stack, to avoid invalid insns on some machines. + * out-mips.c (function_arg, function_arg_advance): + Define typedef for CUMULATIVE_ARGS, and use it here. -Wed Apr 20 00:15:14 1988 Richard Stallman (rms at rice-krispies.ai.mit.edu) + * cccp.c (main): Recognize `.C' for -M. - * typecheck.c (build_binary_op_nodefault): When shortening, - get_narrower may make no change because ARGn is already narrow. - In this case, set UNSIGNEPn from ARGn's type. + * c-parse.y (yylex): Put 0 at end of wide string. - * typecheck.c: Rename ARG1,ARG2 to ARG0,ARG1, etc. in several fns. + * tm-mips.h (CC1_SPEC): Don't distort meaning of -O. - * tm-vax.h: Turn off continuation on DBX output. +Fri Jan 5 12:12:31 1990 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * typecheck.c (build_function_call): Don't change __builtin_ffs to an - FFS_EXPR. Note that __builtin_alloca has always made a CALL_EXPR. - * expr.c (expand_builtin): New function expands all CALL_EXPRs that - are really built-in functions. - (preexpand_calls): Do nothing to a CALL_EXPR for a built-in function. + * gcc.c (link_command_spec): If LIBS_COMPILED_WITH_GCC, gnulib is last. - * loop.c (count_loop_regs_set): Don't move a reg that is in a CLOBBER. +Thu Jan 4 23:58:59 1990 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * stupid.c (stupid_mark_refs): Was getting hard reg's mode from - the wrong place. + * Makefile (c-parse.tab.o): Add explicit compilation cmd. - * rtl.c (note_stores): Typo in checking vector elt for SET vs CLOBBER. +Wed Jan 3 00:27:53 1990 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * stmt.c (expand_end_bindings): If restoring stack level, - first do pending stack adjust (so it won't be done erroneously after). - (expand_goto): likewise. + * Makefile (install): Use nested foreach-loop to expand va*.h. - * rtl.h: LABEL_NUSES was an rtx. It should be an int. - * stmt.c (expand_label, expand_goto): Delete frobbing with LABEL_NUSES; - the value stored there was the same as the CODE_LABEL rtx. +Mon Jan 1 19:36:49 1990 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * jump.c (jump_optimize): Detect if (foo) ...; else { ... break;} - and change to if (! foo) { ... break;} else ...; so can drop out. - (next_label): New fn returns the next label after given insn. + * expr.c (store_one_arg): Round size up for move_block_to_reg. + (expand_call): Round up when emitting USE insns. + * stmt.c (assign_parms): Round size up for move_block_from_reg. -Tue Apr 19 21:30:05 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) + * reload1.c (alter_reg): Undo big-endian conversion from + assign_stack_local. - * flow.c (insn_dead_p): Delete special handling for stack ptr. - (mark_set_regs, mark_used_regs): Likewise. - (life_analysis): Mark stack ptr live at end of fn if necessary. - (propagate_block): Mark stack ptr live leading up to a CALL_INSN. +Sun Dec 31 20:10:52 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * jump.c (jump_optimize): #if 0 around stack-adjust-deletion code. + * tree.h (struct tree_common): Declare `code' as char, not int. - * cse.c (fold_rtx): Change const_arg from an array to 3 separate - scalars for the first three operands. - Handle SIGN_EXTEND and ZERO_EXTEND. +Thu Dec 28 13:49:43 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * integrate.c (copy_rtx_and_substitute): If arg is 0, return 0. - (expand_inline_function): Separate vars for old pattern and new insn. + * gnulib.c (__fixunsdfsi): Turn large numbers to small for conversion. - * expr.c (expand_call): Set TREE_ADDRESSABLE if call is not inlined. + * Makefile (includes): Set variable LIB. Run from `./'. -Tue Apr 19 02:25:22 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) +Wed Dec 27 18:54:25 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * Version 1.20 released. + * Makefile (CCLIBFLAGS): Add -O. + (gnulib): Remove -O here. + (HARD_PARAMS_FLAGS): Like CCLIBFLAGS but no -O. + (hard-params, hard-params.o): Use that. - * tm-ns32k.h: Define new reg class GEN_OR_FLOAT_REGS - so that GENERAL_REGS and FLOAT_REGS have a union. + * loop.c (can_eliminate_biv_p, eliminate_biv): If add_val non zero, + it must be a constant or register. - * tm-ns32k.h (GO_IF_LEGITIMATE_ADDRESS): Recognize a stack-push. - * ns32k.md: Many constraints must now allow or reject pushes. - Delete the special patterns for pushing. +Mon Dec 25 00:02:31 1989 Torbj|rn Granlund (tege at zevs.sics.se) -Mon Apr 18 06:02:39 1988 Richard Stallman (rms at rice-krispies.ai.mit.edu) + * tm-pyr.h (FIXUNS_TRUNC_LIKE_FIX_TRUNC): Should not be defined. + The cvtdw instruction causes a trap for floating point values + that are out-of-range for a signed int. - * reload1.c (forget_old_reloads): For a multiword hard reg, - forget old reloads for each word. + * out-pyr.c (has_direct_base): Don't accept 0 as a base, if there + is a register displacement. This is a workaround of a bug in + /bin/as. (/bin/as changes things like "cmpw 8(reg),0(reg)" into + "cmpw 8(reg),(reg)", which is invalid assembler.) - * reload.c (find_reloads): Typo in calling push_replacement. +Sun Dec 24 11:51:52 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * tm-ns32k.h (HARD_REGNO_MODE_OK): Failed to allow fp regs for SFmode. + * expr.c (emit_move_insn): Lossage validating mem addr of constant. -Sun Apr 17 01:21:35 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) + * varasm.c (record_constant_1): Missing `return' in ADDR_EXPR case. - * tm-sequent.h (PRINT_OPERAND): Handle absolute integer memaddress. +Sat Dec 23 10:54:22 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * ns32k.md: Add DImode push insns. Add QImode and HImode push insns. - Supply missing statement in movsf. + * ns32k.md (extract byte from register): Delete #if conditionals. + Assume 32532 always. + (adjust stack): Likewise. - * dbxout.c (dbxout_type): Don't contin before 1st field of struct. +Thu Dec 21 10:24:05 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * dbxout.c (dbx_continue): Use DBX_CONTIN_CHAR instead of backslash. + * i860.md (load DF constant to reg): Typo: extra percent sign. + (floatsidf2): Two words of a double were backwards. - * loop.c (scan_loop): Ov vax, the "loop-entry jump" can be a return, - in which case perhaps there is no label following it. - Detect phoniness of loop before looking for that label. + * reload1.c (alter_reg): + Always do big-endian correction on slot address. - * decl.c (init_decl_processing): Builtin fn names start with `__'. + * gnulib.c (__fixunsdfsi): Don't rely on host compiler for unsigned. - * typecheck.c (shorten_compare): Warn about constant result only in - cases like (char)x < 0x80, where old C compilers made it -0x80. + * i386.md (float push recognizers): Don't pop fpreg if not dead. - * vax.md: All jbs/jbc/jlbs/jlbc patters with op0 in SImode - must reject mode-dependent memory addresses. +Sun Dec 17 12:13:37 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * recog.c (mode_independent_operand): Test for general operand - that doesn't have a mode-dependent memory address. + * tm-hp9k320.h (CPP_PREDEFINES): Add __hp9000s300, _HPUX_SOURCE. - * varasm.c (assemble_function): ASM_DECLARE_FUNCTION_NAME, if def, - is now responsible for outputting the function name as a label. +Sat Dec 16 17:49:30 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) -Sat Apr 16 05:02:55 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) + * loop.c (strength_reduce): When writing insn to init a biv, + update life range of reg used to init it. - * cccp.c (do_xifdef): Warn about punctuation or other junk in argument. - Warn about no argument. If pedantic, warn if arg starts with digit. - If traditional, ignore all after first non-idchar and never warn. + * combine.c (try_combine): Do combine (y = x, x = y). -Thu Apr 14 01:12:59 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) + * loop.c (strength_reduce): When finding initial value of a biv, + notice assignments to subregs of it, etc. - * integrate.c (expand_inline_function): Typo for addressable parms. +Fri Dec 15 00:42:31 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * cse.c (insert_regs): Copying half a DImode into half of another - does not make the two DImode regs equivalent. + * m68k.md (fpa float and float-trunc): Accept general_operand. - * recog.c (general_operand): Was failing to accept symbol_ref:SI - when MODE arg was VOIDmode. + * integrate.c (expand_inline_function): + Put caller's line number after inline stuff. + Put callee's line number before parm manipulation. - * expr.c (preexpand_calls): For RTL_EXPR, do nothing. + * If local-alloc assumes a reg does not conflict, + don't use it as dummy reload. + * local-alloc.c (wipe_dead_reg): Add REG_UNSET note. + * reload.c (find_dummy_reload): Check for that note. - * decl.c (start_enum, build_enumerator): Remember default for next one - as a tree node (so the high-half isn't lost in a negative one). + * vax.md (casesi): New pattern for super-trivial cse case. - * stor-layout.c (layout_{record,union}): Pay attn to initial value - of TYPE_ALIGN in computing final alignment. - (layout_union): Round size up to multiple of the alignment. + * jump.c (jump_optimize): Realize that more things can follow + the NOTE_INSN_FUNCTION_END note. Change in two places, + for optimized and one for unoptimized. - * decl.c (finish_struct): Don't alter size after type is laid out. - Instead, set TYPE_ALIGN before layout_type. +Sat Dec 9 15:21:07 1989 Richard M. Stallman (rms at ccvi) - * reload1.c (choose_reload_targets): Introduce reg_has_output_reload. - If there are two separate reloads (one in and one out) - for the same (hard or pseudo) reg, always set reg_last_reload_reg - based on the output reload. + * expr.c (expand_expr): For conversion ops, copy CONST_INT to reg + to avoid lossage on VOIDmode in convert_move or expand_float. + * optabs.c (expand_float): Abort if FROM has VOIDmode. -Wed Apr 13 21:26:16 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) + * final.c (final_scan_insn): Delete unused label. - * reload.c (find_reloads_address_1): Always barf if a "constant" - register is autoincremented. +Thu Dec 7 01:42:30 1989 Richard M. Stallman (rms at ccvi) - * parse.y (structsp): suspend_momentary before start_enum; - else some nodes made by start_enum might be momentary. + * sdbout.c (MAKE_LINE_SAFE): Ensure arg is > sdb_begin_function_line. + (sdbout_begin_block, sdbout_end_block, sdbout_end_function): Use it. - * stmt.c (expand_start_case): New arg is nominal type for comparison - (which is the promoted type of the index expression). - (pushcase): Always convert VALUE to that nominal type - before validating it. - * parse.y (case stmt): Promote each case-value before pushcase. - * typecheck.c (c_expand_start_case): Promote the index-expr - to determine the nominal type, before get_narrower. + * jump.c (jump_optimize): Leave block-beg, block-end notes + in old context when swapping two ranges of insns. + (squeeze_block_notes): New function. -Wed Apr 13 12:43:08 1988 Chris Hanson (cph at kleph) + * expr.c (expand_call): For pcc struct, return reg mode is Pmode. - * tm-hp9k320.h: Define ASM_FORMAT_PRIVATE_NAME. HPUX asm forbids - `.' in identifiers, so use `___' (there is some danger in this choice). + * c-typeck.c (build_conditional_expr): + Only explicit ints allow predetermined choice. -Tue Apr 12 23:26:48 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) +Wed Dec 6 19:02:07 1989 Richard M. Stallman (rms at ccvi) - * local-alloc.c (block_alloc): Make 1 extra slot in regs_live_at. + * toplev.c: Undef FFS after including param.h. - * stmt.c (optimize_bit_field): Function moved from reload1.c. - When need to generate a SIGN_EXTEND or ZERO_EXTEND, make it a separate - insn and use gen_extend_insn to make it. - * optabs.c (gen_extend_insn): New fn, construct body of an insn - to extend Y and store in X. +Tue Dec 5 16:01:18 1989 Richard M. Stallman (rms at ccvi) -Mon Apr 11 19:20:57 1988 Richard Stallman (rms at rice-krispies.ai.mit.edu) + * mips.md (movsf): Use mtc1 where needed. - * decl.c (finish_decl): Error if static var has variable size. + * reload1.c (choose_reload_regs): If run out of spill regs, + set must_reuse and try again. - * parse.y (yylex): Warn if int const is out of range. +Mon Dec 4 00:18:24 1989 Richard M. Stallman (rms at ambroise) - * parse.y: New keyword __alignof. - * typecheck.c (c_alignof): Given a type, return its alignment in bytes. + * reload1.c (alter_reg): + Don't set spill_stack_slot_width if from_reg is -1. - * typecheck.c (c_sizeof{,_nowarn)): Don't return integer_one_node; - use build_int to make sure we get something with type `sizetype'. + * cse.c (cse_end_of_basic_block): Typos checking NOTE insns. - * Support variable-sized structures (containing var-sized arrays). + * math-68881.h (pow): Add parens around `&'. - * stmt.c (assign_parms): Handle parms whose size varies. - Use `memory_address' when constructing memrefs to args; - no need to set `invalid_stack_slot'. - Don't make a REG_EQUIV note for a scalar arg at variable offset. - * stor-layout.c (genop, build_int): No longer `static'. + * loop.c (can_eliminate_biv_p, eliminate_biv): + In COMPARE, verify the biv is one of the arguments. + (strength_reduce): When eliminating biv, check for use + in a giv in an address, just as in check_eliminate_biv. - * stor-layout.c (convert_units): Optimize ceil (ceil(x,2)*2, 4) etc. + * stupid.c (reg_order): Make it int, in case reg # is large. + (stupid_reg_compare, stupid_life_analysis): Implement this. - * stmt.c (expand_decl): Don't abort if var-sized object has init. - Convert variable size from units of DECL_SIZE_UNIT to units of bytes. +Sun Dec 3 14:17:36 1989 Richard M. Stallman (rms at ambroise) - * expr.c (emit_push_insn): Arg ARGS_SO_FAR is now an rtx. - Pay attention to ARGS_ADDR even if machine has push insns. - (expand_call): Handle variable-sized arguments. - If have any such, push entire arg-block in advance. - Record each arg's offset during first loop and don't change args_size - during the actual pushing loop; this way the actual pushing loop - works regardless of arg-order if arg-block was pushed in advance. - (push_block): Copy SIZE to reg unless it's a reg or constant. + * tm-att386.h (ASM_OUTPUT_LOCAL): Don't generate .lcomm. + Go back to putting the variable in the data section. - * expmed.c (expand_divmod): If converting CEIL_DIV to FLOOR_DIV, - make new pseudo for incremented value, to help cse understand. + * expr.c (do_jump): Cast XVECLEN to int for subtracting 1. -Sun Apr 10 00:07:45 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) + * reload.c (decompose): Handle SUBREGs. - * expr.c (emit_library_call): Two dumb bugs calling emit_call_1. + * c-typeck.c (build_modify_expr): Prevent -Wall warning + when we generate a COMPOUND_EXPR for (?:)=. - * dbxout.c (dbxout_symbol): Handle case of (MEM (REG frameptr)). +Mon Nov 27 15:39:40 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * cccp.c (skip_if_group): Ignore quote-chars if -traditional. - (rescan): If -traditional, don't output a space for a comment. - (handle_directive): If not -traditional, output a space for a comment. + * Makefile [pyramid]: Use CLIB, not ALLOCA, to access libPW.a. + Use -lc explicitly first. -Sat Apr 9 21:26:51 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) + * pyr.md (SI test recognizer): Fix syntax error, - * decl.c (get_parm_types): `void' type is error, except as entire list. - * parse.y (parmlist_1): `void,...' is error. + * c-decl.c (grokdeclarator): Don't test size of error_mark_node + as type of a field. - * typecheck.c (pointer_int_sum, pointer_diff): - Use an integer type with at least POINTER_SIZE bits. - * expr.c (expand_expr, ARRAY_REF): Likewise. - * tree.c (type_precision): Prec of a pointer is POINTER_SIZE. - (convert_to_pointer): Directly convert any int w/ width==POINTER_SIZE. - Other int types convert via an int of that width. - (convert_to_integer): Pointers convert via an int of that width. +Sun Nov 26 12:36:01 1989 Richard Stallman (rms at apple-gunkies.ai.mit.edu) - * decl.c (init_decl_processing): Use INT_TYPE_SIZE, if def, - to set width of `int' and `unsigned int'. - (make_index_type): Give new type the width of a long int. + * tm-mips.h (CONST_OK_FOR_LETTER_P): Delete extra paren. - * tm-m68k.h: Add new -mshort which controls TARGET_SHORT. - * tm-m68k.h: Define INT_TYPE_SIZE depending on TARGET_SHORT. +Wed Nov 22 12:56:41 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) -Fri Apr 8 05:02:59 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) + * pyr.md (mode conversion peepholes): Set CC_NO_OVERFLOW. + * out-pyr.c (consecutive_operands): Don't expect wrap from reg15 to 16. - * typecheck.c (require_complete_type): Fix typo in detection of `void'. - (build_function_call): Fix backward test to allow `void' values. + * Makefile: Fix directions for pyramid. - * dbxout.c (dbxout_tags): Output each tag once even if type is defined. + * tm-mips.h (CONST_OK_FOR_LETTER_P): Define `K'. + (SMALL_INT): Range is 16 bits, not 17. + (SMALL_INT_UNSIGNED): New macro. + * mips.md (andsi3, iorsi3, xorsi3): Use `K', not `I'. - * m68k.md (movstrictqi): Reject addr-reg always, for both operands. + * mips.md (negsi2): Accept general_operand as input. - * tm-vax.h (STRUCTURE_SIZE_BOUNDARY): Make this always 8, for BSD. - * tm-ultrix.h: New file, overriding STRUCTURE_SIZE_BOUNDARY. - [This change has been taken out; tm-ultrix.h is now equivalent to - tm-vax.h. I must have been confused when testing PCC.] +Tue Nov 21 10:57:45 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * integrate.c (expand_inline_function): Don't let inline_target - be nonzero in BLKmode. + * mips.md (one_cmpl*): Accept general_operand as input. - * decl.c (grokdeclarator): Const array parm becomes ptr-to-const. +Mon Nov 20 11:18:58 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) -Thu Apr 7 05:02:41 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) + * expr.c (expand_expr): For MINUS_EXPR, don't explicitly negate int + constant if it is in a mode too wide for host machine int. - * genoutput.c (bcopy, bzero): Renamed to mybcopy, mybzero - so variation in C library and config.h won't affect the results. - * genrecog.c (bzero): likewise. - * genextract.c (bcopy): Fn deleted; used only in a string constant. + * cse.c (fold_rtx): Simulate negative shift counts. - * varasm.c (force_const_mem): Fix typo in arg decl. +Sun Nov 19 14:36:18 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * toplev.c (compile_file): init_file with main_input_filename - so dbx output doesn't lack N_SOL symbols. + * out-pyr.c (notice_update_cc): Set CC_NO_OVERFLOW in many cases. - * cccp.c (rescan) [CPLUSPLUS]: Put out // comments as // comments. + * cse.c (fold_rtx, fold_cc0): Handle float trap. -Wed Apr 6 14:06:38 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) +Sat Nov 18 00:17:47 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * expr.c: Delete SLOW_ZERO_EXTEND conditionals added March 3. - Now that enums types can be unsigned, this isn't needed. + * varasm.c (output_constant): Handle float trap in fprintf. + * toplev.c (float_signal): Don't print message. + * fold-const.c (combine): Print it here. - * emit-rtl.c (emit_jump_insn): Handle SEQUENCEs. + * sparc.md (extend patterns): Handle CONST_INT as operand. - * genemit.c (gen_expand): Use emit_jump_insn, emit_label, emit_barrier - when the insn rtl requires it. + * out-i386.c (singlemove_string): Fix paren error. - * m68k.md (subsi3): Prefer to avoid reverse-subtraction alternative. +Fri Nov 17 12:19:56 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * stmt.c (expand_end_case): Let CASE_DROPS_THROUGH control what to - emit after the table. - * tm-vax.h: Define CASE_DROPS_THROUGH. + * expr.c (expand_increment): For pre-increment, copy the rtx to return. -Tue Apr 5 15:47:10 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) + * c-parse.y (compstmt): There may be implicit decls, so check + and maybe keep the level. - * genemit.c (gen_exp): Handle vectors within exprs. + * tm-mips.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): + Use call_used_regs, not a private copy. - * stmt.c (expand_end_case): Pass 5th arg (default_label) to gen_casesi. - * m68k.md: Define casesi insn rather than tablejump insn. +Thu Nov 16 00:28:29 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * cccp.c (skip_if_group): For validate_else, pass BP (end of cmd name). - Don't call validate_else if do_else or do_endif will detect error. + * reload1.c: Keep track of paradoxical subregs of each pseudo, + and make extra stack space for their sake. + (reload): Record max size paradoxical subreg for each pseudo. + (scan_paradoxical_subreg): New subroutine for that. + (reload): Make stack slots big enough for that size. - * Bug: inline fcns can refer to the return reg with a strict_low_part - which confuses expand_inline_function. Fix is to change return reg - into inline_target *everywhere* except in or right after a call. - * integrate.c (copy_rtx_and_substitute): Delete special case for SET. - Replace return-value hard regs with INLINE_TARGET in all contexts. - (expand_inline_function): special handling for insn after a CALL_INSN - if it copies the function value out. - Allow notes and stack adjust insns to intervene - between the CALL_INSN and the value-copy. + * tm-i860.h (ASM_DECLARE_FUNCTION_NAME): Define it, + so we can output a no-op before each function. - * expr.c (emit_call_1): New name for gen_call_1. + * tm-pyr.h (INIT_CUMULATIVE_ARGS): Simplify. + Pass function type to aggregate_value_p. - * Bug: ({...}) insns were in wrong place for a subexpression - after a sequence point, as in x ? y : ({...}). - * tree.def: New tree-code RTL_EXPR holds a sequence. - * expr.c (expand_expr): Handle RTL_EXPR by emitting the sequence. - * stmt.c (expand_{start,end}_stmt_expr): Use emit_to_sequence - to make a sequence from everything within the ({...}). - (expand_{start,end,emit}_delayed_expr): Delete these functions. - * parse.y (`for'-statements): Don't call them; nothing special needed. + * fold-const.c (fold): + For foo++ > const, don't change if foo++ could overflow. - * parse.y (yylex): Handle syntax L"..." and L'...' - (combine_strings): Handle wide strings being combined. - * typecheck.c (digest_init): Reject wide string as init for char array. - Allow it for an int array, but don't allow a narrow string. - * decl.c (init_decl_processing): New var int_array_type_node. + * loop.c (eliminate_biv): + Fix typo; check both coeffs when comparing givs. - * parse.y: Define keyword `noalias'. - * parse.h: Define RID_NOALIAS. +Wed Nov 15 00:12:59 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * typecheck.c (compparms): Not all parmlists match an empty one; - call `compparms1' to filter them. + * integrate.c (copy_for_inline): Correctly handle RTL type "u". - * decl.c (groktypename): Remove special case for `void' as parameter. - (get_parm_types): Special case for list of one decl with type void. + * jump.c (delete_insn): Extra test for PREV != 0. - * decl.c (build_enumerator): Give enum constants the type `int'. - Variable `current_enum_type' eliminated. - (finish_enum): No need to repeat `fixup_unsigned_type' - since the precision has not changed. - * stor-layout.c (layout_type): Allow enum types to be unsigned. +Tue Nov 14 17:31:08 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * emit-rtl.c (unshare_all_rtl): Unshare contents of all reg-notes. + * tm-sun3.h (LINK_SPEC): Specify -L to control choice of -lm. - * parse.y (check_newline): filename is optional in #-lines. + * tm-pyr.h (INIT_CUMULATIVE_ARGS): + If -fpcc-struct-return, always do the scalar thing. -Mon Apr 4 14:36:54 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) + * function.c (expand_function_end): Use FUNCTION_OUTGOING_VALUE. - * typecheck.c (shorten_compare): When data type determines the value, - eval the nonconstant arg anyway if it has side effects. - (build_conditional_expr): When merging `foo *' with `void *', - also allow `const void *'. Result type has merged set of qualifiers. - (qualify_type): Merge qualifiers of two types. +Sat Nov 11 00:18:54 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * decl.c (get_parm_types): Store any tags defined in parmlist - into `last_function_parm_types'. - (store_parm_decls): Add those tags into the current binding level. + * tm-sun386.h (ASM_OUTPUT_COMMON): Use ROUNDED, not SIZE. + (ASM_OUTPUT_LOCAL): Likewise. Also, generate .lcomm + rather than a .data area symbol. + * tm-att386.h: Likewise. - * parse.y (parmlist, parmlist_or_identifier): Pass 0 to pushlevel; - no binding levels in C should be transparent to tags. +Fri Nov 10 15:04:15 1989 Richard Stallman (rms at rice-chex) - * 3b1 support: - * tm-3b1.h: New file. + * caller-save.c (emit_mult_restore, emit_mult_save): + Improve arithmetic for address to save at. - * m68k.md: Add HPUX_ASM conditionals for shift-by-24-and-compare. - In one of the dbra patterns, a HPUX_ASM conditional was backwards. - (movhi) [SGS_3B1]: Define the LI... label as in MIT syntax. - (addsi3) [SGS]: Syntax for base-displacement differs from MOTOROLA. - (subsi3) [SGS]: likewise. - (tablejump) [ASM_OUTPUT_CASE_LABEL]: Use 6, not 2, as displacement. - This assumes ASM_OUTPUT_CASE_LABEL on 68k is used for a `swbeg'. +Thu Nov 9 00:14:19 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * final.c (final): Use ASM_OUTPUT_CASE_LABEL (if defined) to output - any CODE_LABEL followed by an ADDR_VEC or ADDR_DIFF_VEC. - It has 4 args; 4th is the insn which is the ADDR_VEC or ADDR_DIFF_VEC. + * tm-pyr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): + Don't use obsolete pushw and popw insns. + (ASM_OUTPUT_ALIGN): Ensure arg in range 2 to 5. + * pyr.md (tstdi): Pattern deleted. + (SImode test recognizer): Output ucmpw if jump is unsigned. - * tm-*.h for 68000 (PRINT_OPERAND_ADDRESS): For unscaled indexing in - fetch from a branch table, use L and LI symbols as in the scaled case. + * out-sparc.c (operands_satisfy_eager_branch_peephole): + Check for moves between FP and non-FP regs; they take two insns. + * sparc.md (eager branch peepholes): Likewise. + (Ordinary delayed branch peepholes): Similar check. + * out-sparc.c (single_insn_extra_test): New subroutine. - * cccp.c: If SCCS_DIRECTIVE, define #sccs as no-op. +Wed Nov 8 18:19:51 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * integrate.c (output_inline_function): Real start of function - is FIRST_PARM_INSN, not FIRST_FUNCTION_INSN. + * combine.c (subst): In (sign_extend:M (subreg:N (and:M .. ) 0)) + insist that constant be positive in mode N. - * tree.c (build_string): String contents must be saveable (for - inline fcn). +Tue Nov 7 23:25:20 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * cse.c (cse_insn): Don't forget to set dest_hash_code when dest - is a stack slot (and so its address is not being optimized). + * rtl.h: Undefine FFS in case it was defined by the system. - * emit-rtl.c (restore_reg_data_1): reg_rtx_no must be 1+ largest REGNO. +Mon Nov 6 14:43:55 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * m68k.md (non-SImode bit-field insns): Change constraint to "o,d" - so a nonoffsetable memref is handled by reloading its address - but a register can still be handled. + * tm-i860.h, tm-m88k.h, tm-pyr.h, tm-spur.h (INIT_CUMULATIVE_ARGS): + Test aggregate_value_p, not just BLKmode. - * toplev.c (main): Execute OVERRIDE_OPTIONS, if it's defined. + * gnulib2.c (__builtin_saveregs): Moved from gnulib.c. + Code added for mips. -Sat Apr 2 00:55:21 1988 Richard Stallman (rms at wheaties.ai.mit.edu) + * pyr.md (conditional branch recognizers): Don't simplify if not -O. - * expr.c (convert_move): Handle a SUBREG in direct truncation case. + * out-pyr.c (extend_and_branch): Handle two constant operands. - * cse.c (lookup_for_remove): Don't test machine mode of registers: - Storing in (REG:SI 0) invalidates (REG:DF 0). + * integrate.c (function_cannot_inline_p): Don't inline if alloca used. - * decl.c (pushlevel): New arg, nonzero means this level is for - variables only, not for tags. All calls changed. - (lookup_tag): Even if THIS_LEVEL_ONLY, skip variables-only levels. - (pushtag): Define it in the first non-variables-only level. +Sun Nov 5 02:59:23 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * dbxout.c (dbxout_type): Undo Mar 29 change, in the DBX_NO_XREFS case. - So now each struct or union will contain only nameless cross-refs - to any others it uses. The prior change is still in effect when - DBX_NO_XREFS is not defined. + * Always make a LET_STMT and notes for the top level of a function + if it has any subblocks. + * c-decl.c (struct binding_level): New field keep_if_subblocks. + (poplevel): Obey the new field. + (keep_next_if_subblocks): New variable. + (pushlevel): Use that variable. + (store_parm_decls): Set that variable. + (compstmt): Pass nonzero to expand_end_bindings + for the new kept binding levels. + (kept_level_p): New function. - * Implement variable array bounds for parameters. - * decl.c (poplevel): Don't crash if DECL_NAME gives 0. - * typecheck.c (comptypes): A variable array bound matches anything. - * parse.y (parmlist): Call pushlevel, then pushdecl each parm as it - is parsed; then poplevel after using get_parm_types to extract the - results of the parmlist. - * decl.c (get_parm_types): New function; reverse the current decls, - put them in last_function_parms, and return a list of their types. - (grokparms): Arg is now an idlist or a typelist. Do nothing if latter. - (push_parm_decl): New function, like {start,finish}_decl combined - for a parm in a parmlist. + * xm-mips.h: Define USE_C_ALLOCA if compiling with CC. - * dbxout.c (dbxout_symbol): Ignore sym if its DECL_RTL is 0. + * tm-alliant.h (CHECK_FLOAT_VALUE): Define this. - * symout.c (symout_block_symbols): Ignore sym if type is error_mark. + * expr.c (expand_call): Make valreg 0 if passing structure address. -Fri Apr 1 11:41:21 1988 Richard Stallman (rms at wheaties.ai.mit.edu) +Sat Nov 4 23:27:02 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * expr.c (prepare_call_address): New function; given two rtx's - for function and context, copy the context to the right hard reg, - put the function address in the right place and return an rtx for it. - (gen_call_1): No longer do those things. Delete args CONTEXT, PROTECT. - (emit_library_call, expand_call): Call `prepare_call_address'. - In between that and `gen_call_1', USE the parm registers. + * caller-save.c (emit_mult_save, emit_mult_restore): + Test regs for suitability as address before using as temps. - * tm-hp9k320.h (ASM_OUTPUT_*): Flush uses of output_arith_constant. + * cccp.c (make_definition, do_define): Better error checks for name. - * varasm.c (assemble_variable): Use ASM_FORMAT_PRIVATE_NAME - to make the name for a local static variable. - * tm-m68k.h, tm-vax.h, tm-ns32k.h, tm-spur.h: - Define ASM_FORMAT_PRIVATE_NAME. Use `.', not `$', to separate. +Fri Nov 3 01:05:04 1989 Torbj|rn Granlund (tege at echnaton) - * tm-m68k.h, tm-ns32k.h (FIX_FRAME_POINTER_ADDRESS): - To refer to stack ptr, use stack_pointer_rtx, not a copy. + * pyr.md (tstdi): New pattern. Use 64-bit shift with count zero. - * tree.c (build_real_from_string): Function deleted. - * parse.y (yylex): Use build_real and atof. + * pyr-tm.h: -mretd pops args with the retd insn. - * parse.y: Allow string concatenation in arg of asm. + * pyr.md (peep-holes for loop optimizations): Use the R output + format in PRINT_OPERAND, don't use output_branch. + * out-pyr.c: No need for functions output_branch, output_inv_branch. - * parse.y (yylex): Always allow `$' in ident, but warn if pedantic. - * tm-vms.h: Delete DOLLARS_IN_IDENTIFIERS (no longer tested). + * tm-pyr.h (ASM_OUTPUT_ALIGN): Don't truncate alignment to two. - * cccp.c (rescan, do_define, initialize_random_junk): - Always allow `$', but warn if pedantic. - (main): If -t, set `traditional'. - (collect_expansion): If `traditional', no special handling for quotes - and no whitespace added at end of macro definition. +Wed Nov 1 00:38:27 1989 Torbj|rn Granlund (tege at echnaton.sics.se) - * expr.c (compare, compare1): Last arg to compare_constants - must be a size in bits. + * out-pyr.c (output_inv_branch): When reversing test operands, ne + remains ne, and eq eq eq. -Thu Mar 31 00:31:52 1988 Richard Stallman (rms at wheaties.ai.mit.edu) + * pyr.md: Cleanup output code for compare patterns. - * expmed.c (expand_mult, expand_divmod, extract_fixed_bit_field): - Reject function return register as target if may need to read it. - (Reading the return register in an inline function doesn't work.) + * pyr.md (return): Adjust frame pointer if + current_function_pretend_args_size != 0. - * decl.c (start_function): Delete extra arg to `error'. + * pyr.md (extendsidi2): Use general_operand for the input operand. - * emit-rtl.c (last_parm_insn): Delete this unused var. + * pyr.md, out-pyr.c: Output shift insns with output_shift. - * make-cc1.com: New version from Kashtan. + * tm-pyr.h, out-pyr.c: Make NOTICE_UPDATE_CC understand how + condition codes are really set. Define flag CC_VALID_FOR_UNSIGNED + with to make it possible not to reset cc after each compare or + test. + * pyr.md: Don't use CC_STATUS_INIT for most patterns. - * integrate.c (expand_inline_function): Always set up an INLINE_TARGET - for a function that returns a nonvoid nonBLK value. - Since `pushlevel' and `poplevel' are called, must also call - `expand_{start,end}_bindings' to make a pair of NOTEs. - Let them handle USEs at end of scope of formal parameter copies. + * out-pyr.c (already_sign_extended): Cleanup, correct, optimize. - * integrate.c (expand_inline_function): In a new-style CALL_INSN, - don't change the result reg into INLINE_TARGET. Also, - generate a move insn after the call only if INLINE_TARGET is non-0. + * out-pyr.c: rename radr_diff to constant_diff. - * integrate.c (copy_decl_tree): Don't crash if DECL_RTL is 0. + * out-pyr.c (movdi_possible): Don't combine moves from memory to + memory, because of possible address aliasing. Don't combine moves + with register destination if the source operands are depending on + the destination of the first move, as in - * integrate.c (copy_for_inline): Don't treat `return' rtx's specially. + movw (pr3),pr3 + movw 4(pr3),pr4. - * stmt.c (expand_{start,end,emit}_delayed_expr): - New fns to handle ({...})'s in expressions output not where parsed - (such as third expression in a `for' statement). - * parse.y: Call them to handle third expression in a `for'. + * out-pyr.c (consecutive_operands): Handle SUBREG in addition to REG. - * decl.c (duplicate_decls): Result is `inline' if either OLD or NEW is. + * out-pyr.c (output_move_double): movl of immediate *sign* extends. - * emit-rtl.c (emit_note): Return the note, or 0 if none. - * stmt.c (expand_start_bindings): Use emit_note's value. +Tue Oct 31 22:51:39 1989 Torbj|rn Granlund (tege at echnaton.sics.se) -Wed Mar 30 12:48:22 1988 Richard Stallman (rms at wheaties.ai.mit.edu) + * pyr.md (cmpsi): Don't expand this. It's just slower. - * obstack.c (_obstack_begin): If ALIGNMENT is 0, use default. - Compute default for the alignment of a `double'. - * obstack.h (obstack_{begin,init}): Pass 0 for the alignment. + * out-pyr.c (extend_and_branch): Handle only QImode and HImode. + Flush code specific for SImode. - * flow.c (mark_used_regs): Discard multiple SUBREGs, STRICT_LOW_PARTs. + * out-pyr.c (extend_and_branch): To make zero extensions to HImode + of constants not crash: + * out-pyr.c (ensure_extended): Call extend_const if it's a + CONST_INT. Don't call extend_const from extend_and_branch. + * pyr.md, out-pyr.md: Use global variable test_mode to determine the + mode of tests and compares. Set in define_expands for tests and + compares. Used in extend_and_branch. + * out-pyr.c: Pass mode between extend_and_branch and ensure_extended. - ** Call insns that return values are now represented as - (set (reg ...) (call ...)), not just (call ...). + * out-pyr.c (extend_and_branch): Accept SUBREG whereever REG is + accepted. + * out-pyr.c (weird_memory_memory): Accept SUBREG whereever REG is + accepted. - * *.md: Define a "call_value" insn pattern. +Thu Nov 2 13:02:15 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * tm-m68k.h, tm-vax.h, tm-ns32k.h: (NOTICE_UPDATE_CC): - These insns invalidate the CC. + * gnulib2.c (lshrdi2, and other shifts): Take second arg as long long. - * local-alloc.c (combine_regs): #if 0 special treatment of - function value hard reg. - (wipe_dead_reg): If hard reg, call reg_is_born so that the death - will not be ignored. - (reg_is_set): For reg that dies in this insn, mark it dead from now on - and post_mark it live after this insn only. + * out-i386.c (fp_pop_int): Use %L0 in fistp insn. - * combine.c (try_combine): Don't allow a call insn as I1 or I2. +Wed Nov 1 00:05:59 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * loop.c (count_loop_regs_set): Move CALL_INSN into a separate - clause. When finding regs that are function addresses, handle - both old and new format call insns. + * stmt.c (init_function_start): Init max_parm_reg. - * flow.c (insn_dead_p): A SET that contains a CALL can't be dead. - (volatile_refs_p): Any CALL constitutes a volatile ref. - (mark_used_regs): If setting a reg from a volatile ref, - treat it like setting a reg whose value will be used. + * varasm.c (compare_constant_1): For ADDR_EXPR, compare symbol name. + (record_constant_1): Likewise. - * expr.c (gen_call_1): New arg VALREG if nonzero means generate - a call_value insn which stores in VALREG. - (expand_call): Use `hard_function_value' to make the VALREG arg - unless expression has type `void'. + * out-sparc.c (output_mul_by_constant): Constant zero is legitimate. - * expr.c (emit_library_call): New 2nd arg OUTMODE is mode of result. - (So can give gen_call_1 the proper value-register.) - All callers (here and optabs.c) pass this arg. + * caller-save.c (emit_mult_restore, emit_mult_save): + Handle stack addresses which are invalid. - * cse.c (canon_hash): Consider all CALL rtx's volatile. + * cse.c (use_related_value): Don't abort if offset is 0. - ** end of change in representation of call insns. +Tue Oct 31 15:08:58 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * stmt.c (expand_asm_operands): Replace complex lvalues with - SAVE_EXPRs here - * typecheck.c (c_expand_asm_operands): rather than here. + * config.gcc (pyramid): Set $machine to pyr. - * typecheck.c (pointer_diff): Fix typo preventing use of FLOOR_DIV_EXPR - when dividing by power of 2. - (build_c_cast): Flush unused locals. - (store_init_value): likewise. - (process_init_constructor): Delete unused 4th arg `for_static'. + * Makefile: Change temp file names from tmp-insn-* to tmp-*. - * toplev.c (fatal_io_error): Arg to fprintf was missing. + * expr.c (expand_call): OK_DEFER_POP for is_const was once too many. - * tm-m68k.h (LEGITIMIZE_ADDRESS): Flush extra arg to `emit_move_insn'. +Sun Oct 29 00:53:46 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * decl.c: Delete some unused local vars. + * c-parse.y (yylex): Prevent warning for numbers that underflow. - * stor-layout.c (layout_decl): `packed_size' now unsigned. + * stmt.c (assign_parms): Convert stack addresses to valid addresses. + (validize_mem): New subroutine. -Tue Mar 29 14:47:07 1988 Richard Stallman (rms at wheaties.ai.mit.edu) + * stmt.c (check_for_full_enumeration_handling): Accept enum type + as argument (since was finding it incorrectly). + Delete special case for constant index. + (expand_end_case): Pass enum type; check for constant index. - * Version 1.19 released. + * cexp.y (initialize_random_junk): Test DOLLARS_IN_IDENTIFIERS + for nonzeroness. - * loop.c (may_trap_p): Nonzero if X is a division that might trap. - (scan_loop): If insn might trap, move only if loop always executes it. +Fri Oct 27 16:25:19 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * dbxout.c (dbxout_type): Never output a cross-ref for - a type whose definition is known. Sun dbx won't accept them. + * tm-next.h (__inline): define as macro for old 1.34 Next uses. -Mon Mar 28 12:34:46 1988 Richard Stallman (rms at wheaties.ai.mit.edu) +Wed Oct 25 17:59:33 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + * stmt.c: Include recog.h. - * tm-vms.h (TARGET_DEFAULT): Default is PCC alignment. - The VMS compile driver controls the real default. +Tue Oct 24 19:23:11 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * typecheck.c (c_expand_return): Don't ignore return value - when its type is void. + * combine.c (try_combine): Don't move a volatile asm. - * final.c (final): Forget the condition codes after an `asm'. +Mon Oct 23 01:45:34 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * typecheck.c (build_binary_op_nodefault): Warn about ptr < 0 - even if not pedantic, but not if traditional. + * combine.c (try_combine): Don't install a subreg relating two modes + that aren't tieable. - * typecheck.c (convert_for_assignment): Don't warn about - pointers volatile * vs nonvolatile * if -fvolatile specified. + * gnulib2.c (__fixdfdi): Declare __fixunsdfdi. - * decl.c (store_parm_decls): Among the old-style parm decls - there can legitiately be other decls! For example, if a parm - is declared `enum {foo, bar} x;', there are decls for `foo' and `bar'. - Don't let anything but a PARM_DECL match a parm name; - pass all the other decls through into the lexical context. + * combine.c: Make uid_cuid an int *. + (combine_instructions): Allocate as such. + * loop.c: Make uid_luid an int *. + (loop_optimize): Allocate as such. - * jump.c (jump_optimize): When deleting stack adjusts before a - jump-to-return, don't be fooled by intervening NOTEs. +Sun Oct 22 16:34:28 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * tm-sequent.h (PRINT_OPERAND): Output (MEM (MEM (REG))) properly. - * output-ns32k.c (print_operand_address): Output (MEM (REG)) - properly; output stack-pointer as `tos'. + * stmt.c (fixup_var_refs_1): New insn before a CALL goes before + the preceding USEs. - * flow.c (find_use_as_address): Reject uses within operand 0 - of a ZERO_EXTRACT or SIGN_EXTRACT reference. It's hard to reload - an autoincrement inside these because they can refer to multiple bytes. +Sat Oct 21 00:51:49 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * reload.c (find_reloads): `o' in constraint means any memref - (except auto-increment) is acceptable with reloading. - Braino: Clear BADOP, not BAD. + * out-pyr.c (extend_and_branch): Allow SUBREG like REG. + * pyr.md (mem-reg and reg-mem HI, QI patterns): + Don't match unless one arg is MEM. - * reload.c (push_reloads): Use rtx_equal_p (via macro MATCHES) - when considering reuse of an old reload. Otherwise equal values - may get reloaded into different registers, and two MEMs that - originally matched may fail to match once reloaded. + * out-sparc.c (output_fp_move_double): Use ldd only when safe, + on same conditions used for std. - * m68k.md (sign_extract and zero_extract insns): - If operand 0 is QI or HImode, don't allow register--only `o' - (except in some bftst patterns where bitpos is < 8). - And change `m' to `o' in all these patterns. + * Makefile (gnulib): Fix comments for editing for hpux. -Sun Mar 27 15:32:54 1988 Richard Stallman (rms at wheaties.ai.mit.edu) +Fri Oct 20 00:27:00 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * expr.c (expand_expr, case CONSTRUCTOR): - Not all aggregates are BLKmode; use the type's mode. + * out-i386.c (singlemove_string): Handle ordinary constants as input. - * gcc.c: Pass -y* to ld. + * reload1.c (choose_reload_regs): Arg of HARD_REGNO_MODE_OK + was the pseudo; should be the reload reg. - * cse.c (struct hash): New member `equivalence_only'. - (insert): Initialize it. - (cse_insn): Set it to 1 when src_eqv is inserted. - When finding cheapest equivalent of something, - skip elts that are marked with `equivalence_only'. + * tm-decstatn.h (CPP_PREDEFINES): Add bsd4_2, ultrix, MIPSEL, + host_mips, R3000, LANGUAGE_C, SYSTYPE_BSD. + * tm-mips.h (CPP_PREDEFINES): Add host_mips, R3000, MIPSEB, LANGUAGE_C. + (CPP_SPEC): Remove those from here. + Define __SYSTYPE_*__ always. Define SYSTYPE_* only if not -ansi. + No CPP_SPEC needed for decstation. + Correct typos in option tests. - * decl.c (duplicate_decls): Don't call `layout_type' - if the type is `error_mark_node'. +Thu Oct 19 18:16:40 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * decl.c (implicitly_declare): If decl will be file-scope, - make sure it's a permanent node, and its associated data too. + * tm-m68k.h, tm-alliant.h (PRINT_OPERAND): + Don't print :l for address if :w was already printed. -Sat Mar 26 15:48:50 1988 Richard Stallman (rms at wheaties.ai.mit.edu) +Wed Oct 18 13:03:52 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * flow.c (insn_dead_p, mark_used_regs): Storing a reg via a - ZERO_EXTRACT or SIGN_EXTRACT is dead if the reg isn't needed afterward. + * tm-mips.h (FUNCTION_PROLOGUE): Get rid of __0__gcc macro. + Store that value in frame_stack_difference. + (FUNCTION_EPILOGUE): Get rid of __0__gcc macro. + (FIX_FRAME_POINTER_ADDRESS): Use frame_stack_difference. + * out-mips.c (frame_stack_difference): Define here. - * stmt.c (expand_start_function): Set current_function_name - to the name of this function. - * tm-vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Use current_function_name. + * gcc.c (compilers): Define __GNUG__ if g++. - * expr.c (expand_increment): A SUBREG in op0 can also a be a copy. +Tue Oct 17 01:17:07 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * ns32k.md: Correct range of args for `adjspb' insn. - Use `adjspw' when appropriate. - New pattern for `lprd' insn. - Change some `const_int' predicates to GET_CODE tests. + * tm-i860.h (HAVE_PRE_INCREMENT): Undefine this. - * expr.c (expand_call): Eval function before copying args to hard regs. + * mips.md (movsf): New alternatives for r registers. + * tm-mips.h (FUNCTION_PROLOGUE): Handle big stack frames. + * out-mips.c (function_arg): Handle mode distinction for floating args. - * tree.c (make_node, copy_node): Don't get length of a REAL_CST - from tree_code_length. + * pyr.md (mtstsw pattern): Accept general_operand. - * expmed.c (extract_fixed_bit_field): In memory-word case, abort - if tm.h parms say word could fail to be well-aligned. - * tm-ns32k.h: Define STRUCTURE_SIZE_BOUNDARY so they will be aligned. - * tm-vax.h: Define STRUCTURE_SIZE_BOUNDARY since Unix CC seems to. + * i860.md (movsf): New alternatives: allow loading r from F. + Prefer f-reg as reload when moving m from F. + * tm-i860.h (PRINT_OPERAND): Handle CONST_DOUBLE if SFmode. - * tm-vms.h (CPP_PREDEFINES): Predefine __GNU__ and __GNUC__. +Sun Oct 15 19:45:56 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) -Fri Mar 25 13:23:27 1988 Richard Stallman (rms at wheaties.ai.mit.edu) + * i860.md (movhi, movqi): Support moves to/from fp regs. - * gcc.c (main): Handle SIGHUP, SIGTERM. + * sparc.md (cse'd multiply): New pattern for mult. by -1. - * expmed.c (expand_bit_and): Don't clobber OP1 when trying andcb. + * out-i860.c (load_opcode, store_opcode): Handle DImode and fp reg. -Thu Mar 24 21:59:09 1988 Richard Stallman (rms at wheaties.ai.mit.edu) + * expr.c (emit_library_call, expand_call): Make a SEQUENCE for + any needed USE insns and pass them to emit_call_1. + (emit_call_1): Place the passed SEQUENCE immediately before the + generated CALL_INSN even if gen_call made more than one insn. - * stmt.c (assign_parms): Get size of BLKmode local from the type, - not the mode. - (expand_function_start): Init frame_offset before calling assign_parms. +Fri Oct 13 00:12:46 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) -Wed Mar 23 23:50:37 1988 Richard Stallman (rms at wheaties.ai.mit.edu) + * recog.c (constrain_operands): Add case for `&'. - * expr.c (emit_push_insn): When making a move insn, - go via emit_move_insn; else fails to put constants into memory. + * expmed.c (extract_bit_field): With structure reg fetched from mem, + don't put in subreg if mode already correct. + (store_bit_field): Typo: had extzv, wanted insv. -Tue Mar 22 15:45:10 1988 Richard Stallman (rms at wheaties.ai.mit.edu) + * stmt.c (expand_function_start): Call init_recog. - * expr.c (expand_increment): Flush special case for register_operand; - actually call the predicate whatever it is. +Thu Oct 12 01:48:30 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * genemit.c (gen_expand): Make `operands' a local variable, - not a global static one, in the `gen_...' function. - Avoids lossage when one `gen_...' fcn calls another indirectly. + * cccp.c (macarg1): Count newlines even after backslash. - * genoutput.c (output_epilogue): Don't give printf a null string. + * c-decl.c (pushdecl): Don't warn for explicit extern + followed by static. That case is useful for incomplete arrays. -Mon Mar 21 15:41:42 1988 Richard Stallman (rms at wheaties.ai.mit.edu) + * tm-sparc.h (SELECT_RTX_SECTION): Test was backwards. - * expmed.c (store_bit_field) [HAVE_insv]: - Force VALUE1, not VALUE, into a register. +Wed Oct 11 00:35:25 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * expmed.c (store_fixed_bit_field): Width of mask for clearing - the bit-field depends on mode of OP0. + * tm-seq386.h (DBX_DEBUGGING_INFO): Override this. + (HARD_REGNO_MODE_OK): Override this. - * ns32k.md (branch and store-flag insns): - Test cc_prev_status, not cc_status. +Mon Oct 9 01:09:25 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * expmed.c (extract_bit_field): Delete unused var `omode'. + * i860.md (movdi): accept F source in 2nd alternative. + Accept G source in 3rd. + (adddi3, subdi3): Typo in opcode of output. - * dbxout.c (dbxout_type, dbxout_tag): Use the main variant - of the specified type. +Sun Oct 8 01:38:27 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * reload.c (find_reloads): When an alternative succeeds without reload, - initialize goal_alternative_matches from this_alternative_matches. + * tm-mips.h (ASM_SPEC): Pass -nocpp to as. -Sun Mar 20 17:58:00 1988 Richard Stallman (rms at wheaties.ai.mit.edu) + * c-decl.c (grokdeclarator): Ignore variant differences + when preserving typedef types from being altered. - * tm-sun*.h: Don't predefine `m68k'; Sun's compiler does not. +Sat Oct 7 00:46:18 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) -Fri Mar 18 13:48:29 1988 Richard Stallman (rms at wheaties.ai.mit.edu) + * xm-mips.h: Use __builtin_alloca. - * reload.c (find_reloads): Set up goal_alternative_matches - *after* the label `finish'. +Fri Oct 6 00:30:42 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * stmt.c (assign_parms): GET_MODE_SIZE needs a mode, not an rtx. + * reload.c (find_equiv_reg): Do let xregno be a pseudo reg, + but don't call HARD_REGNO_NREGS in that case. - * recog.c (constrain_operands): Set global var `which_alternative' - to indicate which of the alternatives this insn matches. +Thu Oct 5 00:30:39 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * typecheck.c (commontype): long int vs unsigned int - gives long unsigned, if long and int are the same width. + * reload.c (find_equiv_reg): Don't let xregno be a non-hard reg. + Don't do OVERLAPPING_REGNO_P on a pseudo reg number. -Thu Mar 17 15:39:45 1988 Richard Stallman (rms at wheaties.ai.mit.edu) + * i386.md (trunchiqi2, etc.): Output %1 with size of destination. + * out-i386.c (PRINT_REG): Support 'b' as CODE. - * emit-rtl.c, tree.c: include local version of varargs.h. + * combine.c (try_distrib): Make sure we don't move a reg use + across a store into that reg. - * decl.c (start_function): Clear TREE_EXTERNAL and set TREE_STATIC - here rather than in finish_function. Affects the case of - `extern foo (); static foo (a) {...}' + * reload1.c (order_regs_for_reload): Rate fixed regs at LARGE+2, + and explicitly used regs at LARGE+1. - * gcc.c: Handle -fnostdinc and -fnostdlib switches in specs. + * stor-layout.c (build_int): When memoizing, make permanent nodes. - * cccp.c (main): Handle -fnostdinc: don't put default dirs - on the chain to be searched. +Wed Oct 4 19:40:37 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * cccp.c (error, warning, error_with_line): No longer print - charpos within file; lineno is enough. + * xm-i860.h: Missing file added. -Wed Mar 16 16:56:36 1988 Richard Stallman (rms at wheaties.ai.mit.edu) +Mon Oct 2 16:26:33 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * expmed.c (expand_inc, expand_dec): Handy new subroutines - to generate x+=y or x-=y, given x and y as rtl. - * expmed.c (expand_divmod): Use them instead of gen_{add2,sub2}_insn. + * reload1.c (emit_reload_insns): Reject any OLDEQUIV that is + in use in any other reload of this insn. - * expr.c (emit_move_insn): Return the move insn emitted. - Eliminate the code here to move a DImode or DFmode by pieces. + * expr.c (expand_call): Don't put on notes for const functions + if there aren't real insns to hold them. - * emit-rtl.c (emit_insn): Return-value was wrong if emit_to_sequence; - cannot use `last_insn' in that case. +Sun Oct 1 19:50:59 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * regclass.c, stupid.c, local-alloc.c, global-alloc.c: - Some vars of type HARD_REG_SET should be `register' only - if HARD_REG_SET is a macro (ie a scalar). + * integrate.c (expand_inline_function): Handle PARALLEL in CALL_INSNs + when setting follows_call. - * expr.c (move_block_from_reg): New function, converse of - move_block_from_reg. - * stmt.c (assign_parms): If a BLKmode arrives in regs, - copy to a stack slot using move_block_from_reg. + * i860.md (pfeq, pfgt and pfle patterns): Add f0 as 3rd arg. -Tue Mar 15 17:33:22 1988 Richard Stallman (rms at wheaties.ai.mit.edu) + * integrate.c (save_for_inline): Don't delete NOTE_INSN_FUNCTION_END. - * regclass.c (regclass): Don't convert to two-operand insns - unless optimizing. +Fri Sep 29 08:56:30 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * varasm.c (decode_rtx_const, const_hash_rtx): Fix typos. + * tm-next.h (LINK_SPEC): Typo for -Z option. - * stmt.c (fixup_var_1): Don't alter insn moving VAR to or from - a subreg of a register. +Thu Sep 28 12:57:11 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * cse.c (fold_rtx): Don't fold if result is not LEGITIMATE_CONSTANT_P. - Construct all results in new local variable NEW; then test that - and decide whether to return it or the original rtx. + * reload.c (decompose): Handle case of pseudo with no hard reg. - * cse.c (cse_insn): When SRC_EQV is non-0 but set[0] has been - cleared, don't insert SRC_EQV in hash table. +Wed Sep 27 01:20:36 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * All insns emitted by a define_expand become part of the SEQUENCE: - * SEQUENCE now contains a vector of insns, not of bodies. - * insn-emit.c (add_insn): If `emit_to_sequence' nonzero, add the - insn to a separate chain, `sequence_first_insn'. - (gen_sequence): Take everything on that chain and make a SEQUENCE. - (emit_insn): Handle SEQUENCE differently since elts are now insns. - (emit_insn_{before,after}): Handle SEQUENCE. - (classify_insn): #if 0. - * genemit.c (gen_expand): emit all the insns, then call gen_sequence - to make the return value. - Define two macros DONE and FAIL for use in a DEFINE_EXPAND: - Use DONE to inhibit emission of the pattern of the DEFINE_EXPAND. - Use FAIL to make the gen_... function return 0. + * explow.c (round_push): Fix typo: return fast if ALIGN is 1. -Mon Mar 14 12:47:28 1988 Richard Stallman (rms at wheaties.ai.mit.edu) + * varasm.c (in_text_section): New function. + * tm-3b1.h (ASM_OUTPUT_SKIP): Use that. - * expr.c (expand_expr): Extend the don't-sign-extend-enums hack - to COMPONENT_REF. (See 3 March.) +Tue Sep 26 02:40:23 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * tm-*.h (FUNCTION_ARG, etc.) New argument NAMED - is nonzero for a named arg, zero for an anonymous extra arg. - * expr.c (expand_call): Pass 1 for NAMED if appropriate. - * expr.c (emit_library_call): Pass 1 for NAMED. - * stmt.c (assign_parms): Pass 1 for NAMED. + * c-typeck.c (commontype): If one arg is error_mark_node, return other. - * cccp.c: Test __GNUC__, not __GNU__. +Sun Sep 24 00:21:24 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * integrate.c (copy_and_substitute_rtx): - Replacing a MEM parm with the parm value, convert mode if mismatch. - Always use VOIDmode when generating SETs. - Take heed of FIRST_PARM_OFFSET and distinguish arg-pointer - from frame-pointer when they are different. - (expand_inline_function): Handle (RETURN) insns, by creating a - return_label which is output after the integrated code. + * c-decl.c (poplevel): When popping a local extern decl, + save the TREE_USED bit in the identifier. + * toplev.c (compile_file): Check that, printing "not used" warnings. - * parse.y (yylex): Condition for ignoring `inline' was backwards. + * tree.c (make_node): Always put PARM_DECL in saveable_obstack. - * flow.c (mark_used_regs): Ignore STRICT_LOW_PART, so that - an insn that sets STRICT_LOW_PART (and its source values) may be dead. - (propagate_block): Always pass 1 for strict_low_ok to insn_dead_p. + * Version 1.36 released. - * optabs.c (emit_unop_insn): Don't make a REG_RETVAL note. - Change above deletes dead STRICT_LOW_PART stores without one. + * genextract.c (main): Pass `insn' as arg to `fatal_insn_not_found'. - * optabs.c (expand_binop, expand_unop): If the library address - is to be put in a pseudoreg, do it here, and make the REG_RETVAL - note point after that. + * tahoe.md (casel patterns): Use %@ for operand of .align. + * tm-tahoe.h (PRINT_OPERAND): %@ prints `1'. + * tm-harris.h (PRINT_OPERAND): Redefine it; %@ prints `2'. - * expr.c (emit_library_call): Never defer stack-pops. - Deletion of the library call by flow.c loses if they are deferred. + * config.gcc (decstation): New entry. - * cse.c (cse_insn): Handling of 68k's zero-extend was broken: - it made the actual source and the REG_EQUAL source equivalent. - * If dest is a STRICT_LOW_PART, ignore the actual source and use - the REG_EQUAL source in its place. src_eqv's mode may be different - from src's, so use proper mode in lookups or inserts for src_eqv. - * Don't forget to set src_eqv_elt if src_eqv already has an elt. - * On use_related_value for src_eqv, use src_eqv_elt. + * tm-harris.h: New file, using tm-tahoe.h. - * toplev.c (main_input_filename): Name of file mentioned in first - #-line in the input. - (compile_file): Pass it to dbxout_init as 2nd arg. - * dbxout.c (dbxout_init): Use 2nd arg to make the N_SO symbol. - * parse.y (check_newline): Store main_input_filename. + * tm-decstatn.h, tm-mips-bsd.h, tm-mips-sysv.h: New files. - * expr.c (move_block_to_reg): New function, copies a MEM:BLK - to consecutive registers. - (use_regs): New function to emit a USE for each reg in a series. - (expand_call): Use the two new functions when a precomputed BLKmode - arg is passed entirely in regs. - (emit_push_insn): Use move_block_to_reg when PARTIAL > 0. - Also, don't subtract USED from SIZE twice. - Use plus_constant to add ARGS_SO_FAR so can use indexing on stack ptr. +Sat Sep 23 00:28:14 1989 Alain Lichnewsky (lich at glenlivet) - * varasm.c (assemble_integer_zero): Use rtx 0, not tree 0, - to go with prev change in ASM_OUTPUT_INT. + * added -Zxxx flag in tm-mips.h. (-Z stands for systype) -Sun Mar 13 01:16:17 1988 Richard Stallman (rms at wheaties.ai.mit.edu) + used as -ZSYSV or -ZBSD43 on RISC_OS. I suppose + that at somepoint -ZPOSIX might be required for Ultrix. + + * changed command issued to loader to set -systype and to get + crt1 crtn instead of crt0. + + * changed predefines for cpp to agree with RISC-OS + + * tm-mips.h checks for machine type ( defined(ultrix) == DECSTATION) + so that user does not have to go in and change tm-mips.h anymore + + * cpp defines mips host_mips unix and SYSTYPE_SYSV + or SYSTYPE_BSD43. + +Fri Sep 22 00:31:29 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * pyr.md (andsi3): Flush spurious paren. + + * Makefile (hard-params): Don't use LIBS or LIBDEPS. + + * rtl.c (init_rtl): + Use malloc to allocate the string for format of CONST_DOUBLE. + Don't fail to store in rtx_format. + +Thu Sep 21 00:33:13 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * print-tree.c (dump): Move decl of P in REAL_CST case. + + * fold-const.c (fold): For ABS_EXPR, handle REAL_IS_NOT_DOUBLE. + + * c-convert.c (convert_to_real): Use REAL_VALUE_ATOF to make 0. + + * mips.md (movdi): Handle constant with or without WORDS_BIG_ENDIAN. + For alternative 2, output just 2 store insns, not 3. + + * dbxout.c (dbxout_symbol): Optionally go to .data for + a static file-scope variable. + * tm-vax.h: Define DBX_STATIC_STAB_DATA_SECTION to request this. + + * varasm.c (output_constant, force_const_mem): + ASM_OUTPUT_DOUBLE_INT now takes rtx as argument. + + * gvarargs.h [__NeXT__]: Undefine macros defined by stdardg.h. + Define _VARARGS_H. + + * stddef.h (size_t): Don't define it if _SIZE_T macro is defined. + (NULL): Undef any previous defn. + + * cexp.y (NULL): Don't define if already defined. + + * emit-rtl.c (force_next_line_note): New function. + * stmt.c (expand_function_start): Call that just before returning. + +Wed Sep 20 01:22:16 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * c-parse.y (asm_clobbers): + Allow string concatenation: call combine_strings. + +Mon Sep 18 00:04:06 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * expr.c (expand_call): If calling const function, don't defer + pops for this call. + + * c-parse.y (yylex): When float constant ends in `f', + actually truncate to a single-float. + +Sun Sep 17 01:36:43 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * gcc.c (SWITCH_TAKES_ARG): -A takes an arg. + (link_spec): Inhibit start files when -A. + + * convex.md (call, call_value): Supply dummy arg to RETURN_POPS_ARGS. + + * gnulib2.c (__fixunsdfdi): After removing top half, A can be neg. + (__cmpdi2, __ucmpdi2): Was misusing macros HIGH and LOW-- + use .s.high and .s.low to extract words from long_long. + + * Makefile (gnulib2): Run `./gcc'. + + * Makefile (float.h): Use `make', not `$(MAKE)'. + (hard-params.o): Use `$(srcdir)' in deps as in commands. + + * out-tahoe.c (output_move_double): Handle constant operand 1. + +Sat Sep 16 01:15:24 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * reload1.c (emit_reload_insns): Put death note for input reload reg + even if reload was inherited. + + * out-i860.c (output_block_move): Typo loading size of block. + + * m68k.md (dbra patterns): Do CC_STATUS_INIT. + + * cse.c (fold_rtx): Check GET_MODE_CLASS before floating negate. + +Fri Sep 15 00:39:44 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * combine.c (subst): Don't combine (subreg (mem)) + if subreg's mode is wider than mem's mode. + +Thu Sep 14 04:33:51 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * Makefile (clean): Delete temp files used in making gnulib. + + * tm-next.h (LINK_SPEC): Pass -Z and -seglinkedit options. + +Tue Sep 12 01:06:39 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * stor-layout.c (layout_type): Ignore MAX_FIXED_MODE_SIZE for ints. + + * mips.md (cmpsi + bleu peephole): Should output unsigned insn. + + * expmed.c (store_bit_field, extract_bit_field): If loading mem + into reg for bit field insn, don't use a larger mode than insn wants. + + * Makefile (stamp-gnulib2): Depend on gcc, cc1, cpp to avoid + wrong order of making when parallel. + + * Makefile (float.h): Do use $(MAKE) to run recursive make. + +Mon Sep 11 00:49:11 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * cccp.c (main): Test for missing arg after -o, etc. + + * tm-next.h: Nearly completely new. + + * gcc.c (SWITCH_TAKES_ARG, WORD_SWITCH_TAKES_ARG): Move after config.h. + + * cccp.c: Cast some args to strcpy and strcat. + + * genoutput.c (error): Declare arg S. + + * tm-pyr.h, pyr.md, out-pyr.c, xm-pyr.h: New files. + * config.gcc: New item for pyr. + + * gvarargs.h: If __pyr__, use va-pyr.h. + +Sun Sep 10 00:48:43 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * reload1.c (inc_for_reload): Really return the first of the insns. + + * stor-layout.c (build_int): Memoize size nodes for sizes <= 32. + + * loop.c (check_dbra_loop): Don't reverse a biv that is used + in between its update and the loop endtest insn. + +Sat Sep 9 02:10:49 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * stor-layout.c (genop): Don't use `combine' for nonexplicit constants. + Handle some identity elements, etc., directly. + (layout_basetypes): Function deleted. + (layout_record): Ignore any TYPE_DECLs in the fieldlist. + Don't do PCC_BUTFIELD_TYPE_MATTERS hack on field with ERROR_MARK type. + (layout_union): Delete error check for base types. + Ignore any TYPE_DECLs in the fieldlist. + (layout_type): Copy layout info directly into all variants of type. + Delete unused local `x'. + + * mips.md (movdi): Handle constant source operand. + (movsi): Some output code moved to output_load_immediate. + * out-mips.c (output_load_immediate): New function. + + * config.gcc (iris): Use tm-iris.h and xm-iris.h. + + * integrate.c (copy_for_inline): Copy all nonconstant MEM addresses. + + * tm-3b1.h (ASM_OUTPUT_SPACE): New override defn, to output explicit + bytes of 0 if in text segment. + +Fri Sep 8 19:15:08 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * combine.c (try_combine): Don't do i3dest stuff if i3 isn't a SET. + +Thu Sep 7 00:16:32 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * integrate.c (function_cannot_inline_p): Fn is "not even close" + only if > 3 * max_insns. + + * toplev.c (fatal_insn_not_found): New fn. + * genextract.c (main): Make insn_extract call that fn. + + * integrate.c (expand_inline_function): Don't abort about bad offset + in a parm whose type is error_mark_node. + Make another syntax level to hold parm destructors. + + * tm-mips.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): + Increment push_loc after, not before, each reg save or restore. + When storing reg 9 or 29, use offset tsize-4. + Make tsize larger by 4 initially. + (STARTING_FRAME_OFFSET): -8, not -4. + + * gcc.c (choose_temp_base): Make use of TMPDIR and P_tmpdir + if they exist. + + * toplev.c, gcc.c, cccp.c, gen*.c (fancy_abort): + New function which can be used to replace `abort'. + + * toplev.c (main): Save argv, argc in save_argv, save_argc. + + * jump.c (delete_insn): Always advance NEXT across deleted insns, + in case not optimizing. Fixes setting current_function_returns_null. + + * symout.c: Include stddef.h with <...>. + +Wed Sep 6 00:39:35 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * gcc.c (find_exec_file): Was using `argbuf[0]' where wanted `prog'. + + * combine.c (combine_instructions): Dont call record_dead_and_set_regs + if insn has become a NOTE. + + * reload.c (combine_reloads): Update reload_when_needed. + + * jump.c (delete_insn): If delete label on ADDR_VEC, delete table too. + (jump_optimize): If ADDR_DIFF_VEC label has 1 ref, delete it and table. + + * gunlib2.c (__fixunsdfdi, __floatdfdi): Make the long long, + and/or its two halves, unsigned. + + * reload1.c (reload): When setting double_reg_address_ok, + require it to be offsettable. + * out-sparc.c (output_fp_move_double): Now safe to use std + for all reg+reg addresses. + + * vax.md: Add another simplified-casesi pattern for operand 0 constant. + + * cse.c (fold_rtx): Don't truncate VAL at end if WIDTH is 0. + Don't alter WIDTH for that purpose based on the operands. + + * stmt.c (warn_if_unused_value): && or || is ok if 2nd op has effect. + + * c-parse.y (ALIGNOF unary_expr): Find a larger value if possible. + + * reload.c (combine_reloads): Don't combine an output address reload. + (find_reloads): Call combine_reloads after setting reload_when_needed. + (find_reloads_address): Update OPERAND if copy the operand. + + * cccp.c (macroexpand): Missing arg no error in 1-arg macro if -trad. + +Tue Sep 5 14:12:23 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * reload.c (find_dummy_reload): Don't use the output reg if it is + a fixed reg which can overlap with other regs. + + * cse.c (exp_equiv_p): Two vectors must have same length. + + * tree.def (WITH_CLEANUP_EXPR): Print-name string was wrong. + + * optabs.c (expand_fix): Undo previous change (unsigned conversion). + It doesn't work. + + * gcc.c: Pass -i option to cpp. It takes an arg. + + * cccp.c (cplusplus_include_defaults) [VMS]: Typo in array indices. + + * Makefile (gnulib): Create it in tmpgnulib, then rename at the end. + + * i860.md (movdi from constant pattern): Fix `st' opcode typos. + + * Makefile (hard-params*): Use CCLIBFLAGS, not CFLAGS. + +Fri Sep 1 03:43:50 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * tm-i386gas.h (ASM_OUTPUT_ALIGN): .align arg isn't a log, in gas. + (ASM_OUTPUT_ALIGN_CODE): Align labels, etc. to 4-byte boundary. + + * integrate.c (save_for_inline): Delete NOTE_INSN_DELETED notes. + + * Makefile (clean): Delete dbr and jump2 dumps. + + * Makefile (gnulib, gnulib2): Compile in main dir, not libtemp subdir. + This avoids trouble with -I options, etc. + +Thu Aug 31 15:07:19 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * reload1.c (emit_reload_insns): + Be specific moving REG_DEAD notes to an output reload. + Sometimes move them to output-operand-address reloads. + + * out-sparc.c (output_fp_move_double): Very cautious about std. + Use it only for something visibly aligned, or for an array element. + + * cccp.c (main) [VMS]: Remove dirs and extension from PROGNAME. + (pfatal_with_name) [VMS]: Return VMS system call error code as status. + (cplusplus_include_defaults) [VMS]: Add GNU_GXX_INCLUDE. + + * xm-vms.h (FATAL_EXIT_CODE): Now (44 | 0x10000000). + + * expr.c (do_store_flag): Allow more values of STORE_FLAG_VALUE. + + * gnulib2.c (__fixunsdfdi): Explicitly cast doubles to `long int' + to avoid infinite recursion. + +Wed Aug 30 13:28:54 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * loop.c (skip_consec_insns): Skip NOTEs. + + * loop.c (general_induction_var): If G or V is a nonreplaceable giv, + give up. If G is allocated here, consider it replaceable. + + * stupid.c: Make uid_suid, reg_where_born and reg_where_dead + vectors of ints, not short. + +Tue Aug 29 00:21:13 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * tm-iris.h: Fix typo in formfeed char. + + * out-i860.c (singlemove_string): Add missing `.l' to `st', `ld'. + + * loop.c (general_induction_var): Don't set G from 2nd op. of MINUS, + since that would negate the result. + +Mon Aug 28 00:16:36 1989 Richard Stallman (rms at apple-gunkies.ai.mit.edu) + + * dbxout.c (dbxout_symbol): When we need a pointer type, don't + record it in TYPE_POINTER_TO, lest it not live as long as its target. + + * tm-hp9k320.h (CPP_PREDEFINES): Delete __hp9000s300 and _HPUX_SOURCE. + + * Makefile (gnulib): Deleted stamp-gnulib2 in wrong dir. + (hard-params.o): Copy it into current dir before compiling. + (STAGESTUFF): Include the stamp-*.[ch] files. + +Sun Aug 27 13:59:39 1989 Richard Stallman (rms at apple-gunkies.ai.mit.edu) + + * out-i860.c (output_size_for_block_move): Typo in CC_KNOW_HI_R31. + + * integrate.c (expand_inline_function): Ignore insns to set value reg + if we don't want the value. + + * varasm.c (make_function_rtl, make_decl_rtl): Use DECL_ASSEMBLER_NAME. + + * Makefile (stamp-gnulib2): Don't explicitly delete old members, + just replace them. + + * m68k.md, alliant.md (trunchiqi): Use movew if moving from memory + or from a const_int. + + * integrate.c (expand_inline_function): Set first_parm_offset + later on, after computing the args, in case those args + contain inline function calls. + + * alliant.md (movqi): Like recent change in m68k.md. + +Sat Aug 26 00:26:03 1989 Richard Stallman (rms at apple-gunkies.ai.mit.edu) + + * tm-hp9k320.h (CPP_PREDEFINES): Take out m68k and mc68000. + * tm-news.h (CPP_PREDEFINES): Add mc68000. + +Fri Aug 25 15:37:35 1989 Richard Stallman (rms at apple-gunkies.ai.mit.edu) + + * optabs.c (expand_fix): Can convert to unsigned int + by subtracting 2**(N-1), converting to signed, and adding 2**(N-1). + + * reload.c (find_reloads_address): For out-of-range stack slot, + reload the displacement into a reg. + (find_reloads_toplev): For subreg of a reg with a reg_equiv_address, + turn the whole thing into a memref. + +Thu Aug 24 14:07:03 1989 Richard Stallman (rms at apple-gunkies.ai.mit.edu) + + * c-decl.c (grokdeclarator): If function is declared `extern inline', + set current_extern_inline. + (start_function): In that case, set TREE_EXTERN in function decl. + * toplev.c (rest_of_compilation): In that case, don't really compile. + (compile_file): Don't output such functions at the end either. + + * c-typeck.c (build_function_call): Do set NAME if we have one. + + * Prevent any variability in results of qsort. + * stupid.c (stupid_reg_compare): Compare by regno as last resort. + * global-alloc.c (allocno_compare): Same idea. + * local-alloc.c (qty_compare_1): Same idea. + * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Same idea. + + * cccp.c (macroexpand): If read one arg, but it's whitespace, + consider that 0 args for checking number of args. + Improve plurals in error messages. + + * expr.h (inhibit_defer_pop): New name for current_args_size, + now declared here. + (NO_DEFER_POP, OK_DEFER_POP): Moved here. + * expr.c: Names related to current_args_size renamed. + (clear_current_args_size): Deleted. + * stmt.c (expand_function_start): Init inhibit_defer_pop here. + + * stmt.c (expand_start_stmt_expr): Do NO_DEFER_POP. + (expand_end_stmt_expr): Do OK_DEFER_POP, and don't do deferred pops. + + * Makefile (c-parse.tab.c): Pass -o option to Bison. + +Wed Aug 23 23:14:06 1989 Richard Stallman (rms at apple-gunkies.ai.mit.edu) + + * expmed.c (store_bit_field, extract_bit_field): + Use GET_MODE_WIDER_MODE to scan possible modes for bestmode. + + * Makefile (stamp-gnulib2): Discard error messages from `ar d'. + +Tue Aug 22 00:31:51 1989 Richard Stallman (rms at apple-gunkies.ai.mit.edu) + + * final.c (output_source_line): In COFF, don't output `.ln 0'. + + * Makefile (stamp-gnulib2): Depend on gnulib. For parallel make. + + * stmt.c (uninitialized_vars_warning): Don't crash if DECL_RTL is 0. + + * i386.md (truncdfsf2): Pay attention whether stack top is dead. + +Mon Aug 21 22:02:40 1989 Richard Stallman (rms at apple-gunkies.ai.mit.edu) + + * reload1.c (choose_reload_regs): Don't use regno uninitialized, + in the code that does find_equiv_reg. + +Sun Aug 20 00:06:47 1989 Richard Stallman (rms at apple-gunkies.ai.mit.edu) + + * m68k.md (movqi): Was outputting bad code for areg->mem and mem->areg. + + * explow.c (memory_address): Handle a hard reg in wrong reg class. + + * stmt.c (expand_function_end): Set REG_FUNCTION_VALUE_P in return + reg when returning address of structure value block. + + * integrate.c (save_for_inline): Preserve integrated bit on insns. + +Sat Aug 19 14:20:07 1989 Richard Stallman (rms at apple-gunkies.ai.mit.edu) + + * combine.c (subst): Don't change (subreg:M (mem:N ...)) to + (mem:M ...) if address is mode-dependent. + + * config.gcc: Copy and alter Makefile for any srcdir except `.'. + In that case, make a .gdbinit as well. + + * sparc.md (andcbsi3, iorcbsi3, xorcbsi3): These are not commutative. + + * vax.md (cmpv and cmpzv patterns): Use COMPARE, not MINUS. + +Fri Aug 18 12:24:52 1989 Richard Stallman (rms at hobbes.ai.mit.edu) + + * alliant.md (movqi): Change move to mov in assembler code. + + * integrate.c (expand_inline_function): + Handle args passed in regs and copied to slots reached via arg ptr. + + * out-sparc.c (output_delayed_branch): + Do alter_subreg on operands of delay insn. + + * reload1.c (choose_reload_regs): Look for a reg to share + before one that we won't share. + + * expr.h: Define OPTAB_MUST_WIDEN. + * optabs.c (expand_binop): Handle that case. + * expmed.c (expand_shift): Use that when widening lshift to ashift. + + * optabs.c (emit_cmp_insn): Use CONST0_RTX, not individual vars. + + * gnulib2.c (lsh*di3, ash*di3): Return right away if count is zero. + Otherwise tried to shift by 32. + Also replace constant 32 by something symbolic. + + * final.c (output_source_line): Output line number in COFF + even if wrong file. + +Thu Aug 17 15:16:34 1989 Richard Stallman (rms at hobbes.ai.mit.edu) + + * Makefile (version.o): Make this a target; specify source file. + (obstack.o): Likewise. + + * config.gcc (i860): New alternative. + + * i860.md (movstrsi): Record the alignment as operand 3. + Renumber following (internal) operands. + * out-i860.c (output_block_move): Rewrite as in out-sparc.c. + (output_size_for_block_move): Likewise. And don't + subtract alignment from the size. + +Wed Aug 16 13:27:12 1989 Richard Stallman (rms at hobbes.ai.mit.edu) + + * loop.c (combine_movables): Don't combine zero-extend + registers that live outside the loop. + + * integrate.c (expand_inline_function): Use copy_to_mode_reg + to set up this_struct_value_rtx, to handle sums right. + + * Makefile: Use $(srcdir) in bison output files used as deps. + Supply some missing deps. + (*.info, doc): *.info files go in srcdir. + +Tue Aug 15 00:11:12 1989 Richard Stallman (rms at hobbes.ai.mit.edu) + + * i860.md, tm-i860.h, out-i860.c: New files. + + * c-decl.c (duplicate_decls): Fix bug determining whether NEWDECL + is a definition or just a decl. + Combine code to preserve various things from old definition + through a declaration. + + * config.gcc: Scan all args at beginning, setting variables. + Arg of form -srcdir=... sets srcdir explicitly. + srcdir now doesn't contain a slash, and is used with a slash. + + * Makefile (install): Copy header files and gcc.1 from srcdir. + But copy float.h from current dir. (Remove that from USER_H.) + (various): Use new variable INCLUDES to get the -I options. + Add -I. at the beginning of these. + (gnulib, gnulib2): Likewise, use SUBDIR_INCLUDES. + Also, get source file from srcdir. + Also, depend on $(CONFIG_H). + (alloca.o): Get alloca.c from srcdir. + + * reload1.c (emit_reload_insns): Bug in last change: + don't fail to set this_reload_insn. + + * Makefile (Bison rules): Specify $(srcdir) for target and source. + (Explicit C rules): Specify $(srcdir)/ for source in commands. + Use sed to eliminate `./' in normal case. + (insn-*.c): Use $(srcdir) to run move-if-change. + + * config.gcc: Check . and .. for the sources. + If in .., use that when making links. + Also, copy Makefile, alter srcdir in it, and add a VPATH. + + * stmt.c (expand_end_case): When converting CONST_INT index + to an INTEGER_CST, sign-extend if signed type. + +Mon Aug 14 13:51:08 1989 Richard Stallman (rms at hobbes.ai.mit.edu) + + * c-decl.c (duplicate_decls): Warn for qualifier mismatch + only if pedantic; don't consider it a type mismatch. + Merge the qualifiers of the two decls if the types match. + + * expmed.c (store_bit_field): For insv, memref displacement + always counts in bytes, regardless of unit fetched. + When checking predicate of op0, accept any mode. + + * optabs.c (expand_float): One call to can_float_p had args backwards. + + * loop.c (check_dbra_loop): Set the JUMP_LABEL of the new jump insn. + Increment label's use count rather than storing 2. + + * Makefile: Instead of $<, which fails in certain makes, + use $@ and then substitute in the name with sed. + + * out-sparc.c (output_scc_insn): Handle CC_REVERSED for ordered tests. + Use orcc insns to store the result and set cc's for it. + + * sparc.md (scc combination patterns): + Use operands[0] as basis for recorded cc value. + + * gnulib2.c (floatdidf, fixdfdi, fixunsdfdi): New functions. + + * gnulib.c (floatdidf, fixdfdi, fixunsdfdi): Deleted. + (union longlong, union double_di): Deleted. + (HIGH, LOW): Deleted. + These were deleted because most did not handle full range of DI + and they didn't use the right calling convention for DI. + +Sun Aug 13 13:06:45 1989 Richard Stallman (rms at hobbes.ai.mit.edu) + + * c-typeck.c (comptypes): Qualifiers must match. + (Was already true for scalars.) + Also, array elt qualifiers must match. + + * tm-apollo68.h (STRUCT_VALUE): Make it 0. + (This was done before and lost.) + * out-i386.c (function_epilogue): Use ret $4 to pop structure address. + (This was done before and lost.) + + * out-i386.c (call_top_dead_p): Don't fail to check + the rtx code of the insns themselves. + (This was done before and lost.) + + * out-sparc.c (output_block_move): If align is 8, make it 4. + + * typeclass.h: New file. + * expr.c: Include it. + (expand_builtin): Use those codes in __builtin_classify_type. + + * Makefile (all, lang-c): Reinstall gnulib2. + + * Makefile (gnulib2): Don't give up if `ar d' fails. + + * expr.c (emit_library_call): New 2nd arg NO_QUEUE. + All callers changed to pass it. + * optabs.c (expand_binop, expand_unop): Don't call emit_queue. + Instead, pass 1 for NO_QUEUE to emit_library_call. + +Sat Aug 12 12:05:22 1989 Richard Stallman (rms at hobbes.ai.mit.edu) + + * reload1.c (emit_reload_insns): Decision for where to put input + reload insn is now common to ordinary case and auto-increment. + Likewise, updating these positions afterward. + + * stmt.c (assign_parms): Treat last named arg as nameless. + * expr.c (expand_call): Likewise. + + * explow.c (copy_to_mode_reg): Use force_operand for PLUS or MULT. + (copy_addr_to_reg): Use copy_to_mode_reg. + + * expmed.c (store_bit_field): Handle case where insv rejects memrefs. + + * tm-convex.h (ASM_OUTPUT_ALIGN): Magic to handle the fact + that this is not called when LOG is 0. + +Fri Aug 11 16:39:51 1989 Richard Stallman (rms at hobbes.ai.mit.edu) + + * emit-rtl.c (get_lowpart): For multi-word, in error check, + test the unit size of the containing mode. + + * cccp.c (macroexpand, dump_all_macros): Return void. + (macroexpand): Cast sprintf arg to char*. + (error, warning, error_with_line): Declare first arg char*. + +Thu Aug 10 21:42:13 1989 Richard Stallman (rms at hobbes.ai.mit.edu) + + * expr.c (expand_call): + Use force_operand to copy arithmetic to register. + + * dbxout.c (dbxout_symbol): Go back to N_FUN for const variable. + + * integrate.c (expand_inline_function): Use proper machine mode + for a structure value in memory at address passed by caller. + +Wed Aug 9 15:21:36 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * config.gcc: Delete unnecessary variable assignments in case stmt. + (isi68-nfp): New alternative. + + * combine.c (try_combine): Don't substitute for a register + which is being explicitly clobbered. + + * This change was requested for C++. + * varasm.c (decode_reg_name, make_decl_rtl): Arg ASMSPEC now char *. + * toplev.c (rest_of_decl_compilation): Likewise. + * c-decl.c (finish_decl): Change call to rest_of_decl_compilation. + + * tree.h (struct tree_decl): Pack machine_mode into 8 bits. + + * explow.c (memory_address, copy_to_reg): + Use force_operand to copy arithmetic to register. + + * tm-isi68-nfp.h: New file. + * tm-isi68.h: Allow overriding TARGET_DEFAULT, and let that + change CPP_SPEC and LINK_SPEC. + (ASM_FILE_START): No `.globl fltused' if soft-float. + +Tue Aug 8 21:50:52 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * varasm.c (const_hash): For constructor, mask TREE_TYPE to HASHBITS + bits and take modulo, so we don't get negative numbers. + + * varasm.c (record_constant_1, compare_constant_1): + Record and compare the width of an integer. + + * varasm.c (assemble_function, assemble_variable, get_or_assign_label): + (force_const_mem): Don't call ASM_OUTPUT_ALIGN if boundary is 1. + + * c-decl.c (duplicate_decls): Consider const and volatile as part of + type when checking for match and when installing new type into OLDDECL. + + * expr.c (do_store_flag): Make sure target fits operand predicate. + Also, omit the AND insn when true-value is 1 + and the mode we get is wider than the one we want. + + * genrecog.c (main): Make insn-recog.c include real.h. + +Mon Aug 7 16:58:56 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * genemit.c (main): Define `operands' as `emit_operands', + not `recog_operands'. + + * reload1.c (emit_reload_insns): Don't copy back a dead output reg. + +Sun Aug 6 13:56:53 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * sdbout.c (plain_type_1, sdbout_one_type): Use the main variant. + (sdbout_type_fields): No need to check TREE_ASM_WRITTEN here, + since sdbout_one_type does that. + + * expr.c (do_store_flag): Ensure the CLOBBER doesn't clobber an input. + + * fold-const.c (fold_convert): Attempt to avoid overflow + when converting real to integer. Use unsigned conversion for + low part; always convert as positive and then change sign; + subtract high part before converting low part. + Also, check for real values out of range for chosen int type; + warn and do not convert. + + * tm-hp9k320.h (CPP_SPEC) [not HPUX_ASM]: Don't define mc68000 here. + (CPP_PREDEFINES): Remove mc68k, add m68k and mc68000. + [HPUX_ASM]: Define CPP_SPEC here as in the other case, + but add __HPUX_ASM__ to each alternative. + + * tm-m68k.h (FUNCTION_EPILOGUE): Call new hook FUNCTION_EXTRA_EPILOGUE. + * tm-altos3068.h (FUNCTION_EXTRA_EPILOGUE): Define it. + + * Makefile: Use $< wherever appropriate. + Also put definitions of customization vars before the comments + saying how to override them. + +Sat Aug 5 14:15:39 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * i386.md (sne): Typo in opcode name. + + * tree.h (struct tree_identifier): Delete redundant/unused error_locus. + +Fri Aug 4 00:04:10 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * varasm.c (const_hash, compare_constant_1, record_constant_1): + Compare types only for record constructors, not for array constructors. + + * dbxout.c (dbxout_parms): When outputing parm from home in local slot, + with address from the RTL, don't do big-endian correction on it. + + * c-typeck.c (build_unary_op): Do default conversion for unary +. + + * cccp.c (rescan): Accept comments between macro and its args. + + * c-decl.c (lang_decode_option): -traditional implies writable strings. + + * cccp.c (trigraph_pcp): Make warning msg more accurate. + + * c-typeck.c (c_expand_asm_operands): Delete the default promotion + which was inserted mysteriously since 1.35. + + * global-alloc.c (global_conflicts): Allocate regs_set only once. + Make it twice as big since clobbers are stored twice. + + * sparc.md (block move patterns): Record and use alignment operand. + * out-sparc.c (output_block_move): Get alignment from there. + (output_size_for_block_move): Greatly simplified. + + * tm-i386v.h (PCC_BITFIELD_TYPE_MATTERS): Define it. + + * stor-layout.c (layout_record): Anonymous bitfields don't affect + overall structure alignment, in PCC_BITFIELD_TYPE_MATTERS case. + + * loop.c (strength_reduce): Prevent hard reg from becoming biv or giv. + + * combine.c (subst): Simplify (eq (neg ...) (const_int 0)). + +Thu Aug 3 13:08:05 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * cse.c (fold_rtx): For (op var const) special cases, also check + for constant as first argument. + + * c-decl.c (pushtag): For global_binding_level, make permanent nodes. + + * expr.c (do_store_flag): Put the CLOBBER before the comparison. + + * expr.c (emit_push_insn): Conditionalize recent changes + on no FIRST_PARM_CALLER_OFFSET, so they don't happen on sparc. + + * out-sparc.c (gen_scc_insn): + Don't be confused by CLOBBER emitted by do_store_flag. + Skip past such insns looking for last_insn. + Don't alter last_insn; instead, patch it to a NOTE and emit new insn. * varasm.c (const_hash, compare_constant_1, record_constant_1): - Handle NOP_EXPR and CONVERT_EXPR in constant expressions. + For a CONSTRUCTOR, hash/compare/record type as well as elts. + + * cse.c (cse_insn): July 18 change was wrong. + Now, invalidate at the beginning any regs explicitly clobbered + so they will not be substituted for if they appear as inputs. + * sparc.md (movstrsi): Copy addresses to temp regs, then use them. + + * loop.c (record_giv): When comparing life spans for setting + ->forces, use luids consistently, not uids. + + * sparc.md (ashlsi3, ashrsi3, lshrsi3): Truncate constants mod 32. + +Wed Aug 2 17:50:30 1989 Richard Stallman (rms at sugar-bombs) + + * mips.md (patterns to move a subreg): Deleted. + +Sun Jul 30 19:23:13 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * gcc.c (process_command): Skip `-b' like `-B', in 2nd scan. + + * xm-sunos4.h: Deleted. + * tm-sparc.h, tm-sun3.h: Define LINK_SPEC here instead. + * tm-sun4os3.h: Undef it here. + * tm-sun3os3.h, tm-sun3os3nf.h: New files to undef LINK_SPEC. + * config.gcc: Use those new files where needed. + + * config.gcc: Delete sun3-fpa and sun3-os4-fpa. + * tm-sun3-fpa.h: Deleted. + + * cccp.c (do_include): Mention even non-ex files for -M. + + * out-mips.c (addr_compensate): Handle HImode. + * mips.md (Set HI from subreg of SI rule): + Allow operand in memory. + + * mips.md (cmpqi, cmphi): Patterns deleted. + (cmpsi, cmpsf, cmpdf): Change predicates to register_operand. + + * cexp.y (rule for ?:): Result is unsigned if either operand is. + + * expr.c (emit_push_insn): If PARTIAL > 0, load the partial regs + at the end, in case the rest of the push does a function call. + + * reload1.c (alter_frame_pointer_addresses): + After altering a PLUS, re-fetch CODE before scanning subexps. + + * stmt.c (assign_parms): Don't copy the arg pointer value + if it is also the frame pointer. If we do copy it, + inhibit REG_EQUIV notes for parms copied into pseudo regs + + * integrate.c (copy_for_inline, copy_rtx_and_substitute): + Set up filename and lineno fields of copy of ASM_OPERANDS. + +Sat Jul 29 18:58:49 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * integrate.c (expand_inline_function): Handle struct-value-addr + passed in memory just like that passed in reg: + in either case, translate the pseudo-reg made in + expand_function_start. + (function_cannot_inline_p): Permit inlining in that case. + But reject it if using pcc-style return convention. + + * stor-layout.c (layout_type): Consider STRICT_ALIGNMENT + for ARRAY_TYPE just as for RECORD_TYPE. + +Wed Jul 26 12:54:59 1989 Richard M. Stallman (rms at mipos3) + + * cse.c (fold_rtx): If WIDTH is zero for binary operator, + look at the modes of the original operands. + + * cse.c (cse_insn): Set prev_insn_explicit_cc0, for (set (cc0) INT). + (predecide_loop_entry): Likewise. + (fold_rtx): Look at it, for (if_then_else (cc0) ...). + + * expr.c (expand_builtin): Pass back return value from + __builtin_saveregs. + + * stmt.c (assign_parms): Allow arg pointer reg not to be fixed. + If it is not, copy it to a pseudo reg and use that later on. + +Tue Jul 25 15:42:04 1989 Richard M. Stallman (rms at mipos3) + + * expr.c (expand_builtin): New builtin __builtin_classify_type. + * tree.h, c-decl.c: Additional support. + + * flow.c (mark_used_regs): Treat arg pointer like stack pointer. + + * expr.c (emit_library_call): + Pass (tree)0 as TYPE arg to FUNCTION_ARG, etc. + +Mon Jul 24 11:18:10 1989 Richard M. Stallman (rms at mipos3) + + * loop.c (regs_match_p): Fix braino. + + * integrate.c (copy_for_inline, copy_rtx_and_substitute): + Make ASM_OPERANDS constraint vector be shared like operand vector. + + * xm-iris.h: New file. + + * Makefile (stage4): New target. + + * gnulib2.c (badd, bsub, bmul, bdiv): If want long value from + arithmetic, widen the operands first. + (__div_internal aka bdiv): Rename to __bdiv. + + * sparc.md (seq combination patterns): Fully initialize cc_status. + + * expr.c (emit_push_insn): Like July 19 change, for BLKmode. + + * stmt.c (expand_function_end): Stack-restore for alloca + is now done after the return_label. + + * loop.c (scan_loop): Set MAYBE_NEVER for conditional jump to loopbeg. + + * integrate.c (copy_rtx_and_substitute): Allow mapping of hard regs. + (expand_inline_function): Always create parm_map. + Handle structure value that way if nec. even if no parms. + Otherwise, find the pseudo used in the function to hold the + structure address, and map it to a new pseudo. + + * expr.c (expand_call): + Use mark_addressable to make FNDECL addressable. + * c-typeck.c (mark_addressable): No longer static. + + * cse.c (cse_insn): Modify last change: don't canon_reg + for hard regs inside clobbers. + + * expr.c (expand_assignment): ALIGN arg to store_field comes from + the structure, not from the value stored. + +Fri Jul 21 16:23:45 1989 Richard M. Stallman (rms at mipos3) + + * stmt.c (warn_if_unused_value): Don't warn for a cast + around a MODIFY_EXPR. + + * tm-hp9k320.h (PCC_STATIC_STRUCT_RETURN): Undefine it. + (CPP_PREDEFINES): Add some. + + * combine.c (simplify_and_const_int): + Simplify (and (ashiftrt (zero_extend FOO) N) M). + + * optabs.c (expand_binop): When widening, + for some operations we need not actually extend. + +Thu Jul 20 16:16:35 1989 Richard M. Stallman (rms at mipos3) + + * Makefile (insn-emit.o): Depend on insn-codes.h. + + * stmt.c (check_for_full_enumeration_handling): + Handle all cases for TYPE_NAME of enum type. + +Wed Jul 19 17:00:39 1989 Richard M. Stallman (rms at mipos3) + + * fold-const.c (fold_convert): Don't fail to force_fit_type. + + * expr.c (emit_push_insn): When pushing only part of scalar on stack, + adjust stack offset not to count the words not pushed. + + * stmt.c (expand_function_end): Always put return structure address + in return register. + + * c-typeck.c (process_init_constructor): Assume 0 for nameless field. + + * recog.c (general_operand, memory_operand): + Check validity of mem address using the mode of the MEM. + + * fixincludes: When calling egrep, use redirect, not -s. + +Tue Jul 18 11:18:55 1989 Richard M. Stallman (rms at mipos3) + + * Makefile (bootstrap*): Pass value of libdir down. + + * cse.c (cse_insn): Do canon_reg on any CLOBBERs and USEs. + + * cse.c (cse_insn): Don't use no_labels_between_p to check + for jump to following label; find following label and compare. + + * combine.c (try_combine): Don't substitute into subreg(x)=y + if modes of x and y are not tieable. + + * out-i386.c (call_top_dead_p): Don't fail to check + the rtx code of the insns themselves. + + * i386.md (tstsf, tstdf): Don't discard TOS if not dead. + + * stupid.c: Don't use regs with PRESERVE_DEATH_INFO_REGNO_P + for pseudos which live across jumps or labels. + (stupid_life_analysis): Update last_jump_suid, last_label_suid. + (stupid_mark_refs): Use those to set reg_crosses_blocks. + (stupid_find_reg): Check that data, passed from stupid_life_analysis. + + * toplev.c (main): Avoid using caddr_t. + + * mips.md (inverted bgeu peephole): Typo in opcode. + +Mon Jul 17 12:29:45 1989 Richard M. Stallman (rms at mipos3) + + * i386.md (mulb patterns): Turned off due to assembler bug. + + * rtl.c (read_name): Use 0, not NULL, for character. + + * alliant.md (movqi): Typos in mov opcodes. + + * tm-sparc.h, tm-spur.h (CONST_DOUBLE_OK_FOR_LETTER_P): + Use CONST_DOUBLE_LOW, etc. + + * stmt.c (expand_function_end): Check value of EXIT_IGNORE_STACK, + not just whether defined. + + * i386.md (seq, etc.): New patterns. + * expr.c (do_store_flags): If result is wrong mode, + ensure rest of bits are cleared. + Before storing low part of TARGET, emit a CLOBBER for it. + + * i386.md (load address): Use an immediate add if possible. + + * i386.md (ashlsi3): Don't generate leal; shift is faster. + + * Now struct_value_rtx is 0 to treat it as a parm. + * expr.c (expand_call): Implement that. + * integrate.c (expand_inline_function): Don't freak out. + * tm-apollo68.h (STRUCT_VALUE): Make it 0. + + * On 386, called function must pop the structure value address. + * tm-i386.h (STRUCT_VALUE): Don't change this. + Address is now pushed but not counted as a parm. + * out-i386.c (function_epilogue): Use ret $4 to pop that address. + * output.h: Declare the current_function_... variables. + * final.c: Include output.h. + + * varasm.c (make_decl_rtl): Insert missing `else', validating reg decl. + +Fri Jul 14 14:12:17 1989 Richard M. Stallman (rms at mipos3) + + * out-sparc.c, out-spur.c (output_move_double): + Fixed typo, addreg0 => addreg1. + + * c-decl.c (lang_decode_option): Handle -fshort-enums. + (finish_enum): In that case, give enum minimum number of bytes. + * toplev.c (main): Default flag_short_enums. + * toplev.c, flags.h (flag_short_enums, flag_signed_char): + Define those flags here, not in c-decl.c and c-tree.h. + + * i386.md (mulqi3, umulqi3): New patterns. + + * c-convert.c (convert_to_integer): Tighter restrictions on + distributing truncation through max, min, and multiplication. + If operands were extended from unsigned, make the operation + unsigned. + + * cccp.c (main): Fix bug where #include <...>, when -I- was used, + failed to search standard dirs and/or searched some dirs + intended only for #include "...". + + * tm-mips.h (FUNCTION_PROLOGUE,FUNCTION_EPILOGUE): + Increment push_loc after store or load, not before. + +Thu Jul 13 11:24:30 1989 Richard M. Stallman (rms at mipos3) + + * emit-rtl.c (add_insn_after): Don't update last_insn + if insn is in a sequence. Instead, update end of sequence. + + * stmt.c (fixup_var_refs): Update end of stacked sequence. + + * stmt.c (expand_function_start): Set result rtl before assign_parms. + + * optabs.c (emit_unop_insn): Set PREV_INSN after preliminaries. + + * stmt.c (warn_if_unused_value): Do CONVERT_EXPR like NOP_EXPR. + + * stmt.c (expand_function_start): Make sure parm_birth_insn + is a NOTE. + + * Makefile (clean): Delete tmp-insn-*. + +Wed Jul 12 14:24:12 1989 Richard M. Stallman (rms at mipos3) + + * i386.md (mulqi3): Restrict operand 2 to `q' reg. + + * reload1.c (choose_reload_regs): Check HARD_REGNO_MODE_OK + for regs to be inherited. + Also check HARD_REGNO_MODE_OK at end for modes of both + reload_in and reload_out as well as reload_mode. + + * Makefile (maketest): Update for config subdir. + +Tue Jul 11 16:29:57 1989 Richard M. Stallman (rms at mipos3) + + * integrate.c (copy_decl_tree): Copy TREE_USED of each LET_STMT. + + * make-cc1.com: Changes by Angel Li. + Define variables CC, CFLAGS, LDFLAGS, LIBS. + Use LIBR library, not LIB. Specify a /INC in CFLAGS. + Use MCR to run the gen* files. Add some comments. + * make-cccp.com: Similar. + * config-gcc.com: New file. + + * stmt.c (assign_parms): Compute parm alignment from passed type. + + * c-typeck.c (actualparameterlist): Instead of truncating + and then promoting for PROMOTE_PROTOTYPES, go straight to int. + + * c-parse.y (setspecs): Save old current_declspecs on a stack. + (decl, component_decl): Restore from that stack. + +Wed Jul 5 15:01:00 1989 Richard Stallman (tiemann at yahi) + + * tm-aix386.h, xm-aix386.h: New files. + + * loop.c (check_dbra_loop): Handle either test or compare + for insn two before loop end; detect and reject anything else. + + * expr.c (expand_call, expand_builtin): If alloca is done, + set current_function_calls_alloca. + * stmt.c (expand_function_end): If so, generate code to save and + restore the stack pointer, if not EXIT_IGNORE_STACK. + + * ns32k.md (movsi): Fixes for moving from fp or sp. + + * tm-mips.h (ASM_OUTPUT_ASCII): Start new .ascii every 256 chars. + +Tue Jul 4 11:01:00 1989 Richard Stallman (tiemann at yahi) + + * reload1.c (choose_reload_targets): Don't depend on + reload_spill_index when cancelling invalid inheritance. + Also, abort if trying to preserve death info + on a spill reg used in operand addressing. + + * fold-const.c (fold): Don't fold "foo"[n] here. + * expr.c (expand_expr): Do it here. + Handle wide strings correctly. + + * i386.md (movsf,movdf): Disallow mem-mem moves. + Enable mem-to-reg moves. + + * c-decl.c (finish_{struct,enum}): Warn if inside parm decls. + (in_parm_level_p, declare_parm_level): Record when inside. + * c-parse.y (parmlist, parmlist_or_identifiers): Call + declare_parm_level. + + * c-decl.c (parmlist_tags_warning): Revise warning message text. + + * tm-hp9k320.h (ASM_SPEC): Pass -V switch to assembler. + + * tm-sun386.h (ASM_START_FILE): Truncate filename to 14 chars. + + * c-typeck.c (decl_constant_value): Use only literal values. + +Sat Jul 1 17:29:54 1989 Richard Stallman (tiemann at yahi) + + * integrate.c (copy_rtx_and_substitute): Don't make nested SUBREGs. + + * stmt.c (expand_function_start): Set new global + current_function_returns_pointer. + + * stmt.c (get_frame_size): Return the size, not the offset. + * integrate.c (expand_inline_function): When setting FP_DELTA, + compensate for this change. + * tm-alliant.h,tm-mips.h,tm-sparc.h,tm-tahoe.h + (FUNCTION_PROLOGUE,FUNCTION_EPILOGUE): Compensate. + + * out-mips.c (function_arg): Return 0 for BLKmode. + + * tm-mips.h (FUNCTION_INCOMING_ARG): Delete; no register windows. + * out-mips.c (function_inarg): Delete; no longer used. + + * mips.md (addsi3): Use register_operand for operands 0,1. + (load address): New pattern, following movsi. + (fix_trunc*): Use trunc insn, not cvt. + (cmpfs + bgt peephole): Operands were backwards in template. + + * gcc.c (main): Record in explicit_link_files which input files go + straight to linker. If linker is not run, complain about them. + (execute): Increment execution_count, to show we were called. + + * gcc.c (validate_all_switches): Check ASM_SPEC, CC1_SPEC, etc., + so we find all switches that could be valid. + + * varasm.c (output_constructor): Position fields according to + DECL_OFFSET; don't try to compute alignment here. + + * tm-sparc.h (PCC_BITFIELD_TYPE_MATTERS): Define this. + + * reload1.c (emit_reload_insns): Fix stupid error in last change. + + * c-decl.c (duplicate_decls): If redeclaring builtin, give error is + type mismatched; otherwise warn only if -W. + + * jump.c (jump_back_p): Verify that PREV is not null. + +Mon Jun 26 13:50:28 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * reload1.c (choose_reload_regs): If number of reloads needing + spill regs exceeds n_spills, don't inherit any reloads. + + * sdbout.c (sdbout_record_type_name): Dumb error in last change. + + * reload1.c (emit_reload_insns): Extend last change: don't use + equiv reg if reg is in use at same stage of insn, either. + +Sun Jun 25 00:00:56 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * reload1.c (emit_reload_insns): Don't use an equivalent register + to reload from, if that register was used for reloading + earlier in this insn. + + * sdbout.c (sdbout_record_type_name): Handle a TYPE_DECL as the + type name. Get rid of TYPE_TAG_NAME as separate macro. + + * optabs.c (emit_cmp_insn): Args to memcmp are addresses, not blocks. + + * reload1.c (choose_reload_regs): Typo, clearing reload_override_in. + + * tm-i386.h: Add register classes SIREG and DIREG. + (enum reg_class, REG_CLASS_NAMES): Define class names. + (REGNO_REG_CLASS, REG_CLASS_CONTENTS): Define their contents. + (REG_CLASS_FROM_LETTER): Define letters `S' and `D'. + +Sat Jun 24 00:17:16 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * c-decl.c (keep_next_level): New function. + (struct binding): New slot `keep' says make a LET_STMT for this level. + (pushlevel, poplevel): Implement that. + * c-parse.y (stmt exprs): Call keep_next_level. + + * sdbout.c (plain_type_1): Handle REFERENCE_TYPE, METHOD_TYPE. + Correct for size less than 0. + (plain_type): Correct for size less than 0. + + * global-alloc.c (mark_reg_set): For CLOBBERs, call mark_reg_clobber. + + * reload1.c (order_regs_for_reload): Among regs explicitly used, + prefer those used less often. + + * reload1.c (choose_reload_regs): If we find alternate place + to reload from, verify it after all reloads assigned. + New variable reload_override_in used for this. + + * combine.c (record_dead_and_set_regs): Look inside SIGN_EXTEND and + STRICT_LOW_PART for place being set. + (subst): When using reg_last_set to find what a register contains, + verify the entire register was set. + + * toplev.c (rest_of_decl_compilation): Report invalid register name. + +Fri Jun 23 13:19:41 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * tm-hp9k3bsd.h: New file. + * config.gcc: New target hp9k320-bsd. + + * gcc.c (record_temp_file): Don't add a name twice to one queue. + + * stmt.c (expand_expr_stmt): Call warn_if_unused_value. + (warn_if_unused_value): Code extracted from expand_expr_stmt. + Recurse to handle COMPOUND_EXPR. Don't warn about COND_EXPR. + + * tm-encore.h (DBX_REGISTER_NUMBER): Override tm-ns32k.h; + return operand unchanged. + + * reload1.c (emit_reload_insns): Don't use recog_memoized + on an asm. + + * jump.c (delete_insn): Update last_insn. + * emit-rtl.c (set_last_insn): New function. + + * reload1.c (reload): Put a note at end of insn chain. + + * gcc.c: Put cpp output of .S file into a .s file. + +Thu Jun 22 22:14:35 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * optabs.c (expand_binop, expand_unop): Emit queue before library call. + It is done within emit_library_call, and cse screws up if there is a + queued insn in the middle of a cse-able sequence. + +Wed Jun 21 11:57:22 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * tm-mips.h (CPP_PREDEFINES): Define -Dunix. + + * reload.c (combine_reloads): Combined reload needed for entire insn. + + * c-parse.y (yylex): Braino checking for out-of-range escape seq. + + * stor-layout.c (layout_union): Handle PCC_BITFIELD_TYPE_MATTERS. + (layout_struct): Don't let a bitfield cross the storage unit + of its type, if PCC_BITFIELD_TYPE_MATTERS. + +Tue Jun 20 00:03:48 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * varasm.c (get_or_assign_label): Let CONSTANT_ALIGNMENT specify + alignment of the constant. + CONSTANT_ALIGNMENT is a new optional macro. + + * varasm.c (force_const_mem, get_or_assign_label): + Make buffer bigger. + + * toplev.c (print_target_switch_defaults): New fn called for -version. + + * toplev.c (compile_file): Detect error closing output file. + + * stor-layout.c (fixup_unsigned_type): Don't shift by 32. + + * stmt.c (emit_case_nodes): Pass UNSIGNEDP along to emit_cmp_insn. + + * stmt.c (expand_end_case): If index is narrow and cannot be + directly compared, widen it just once. + + * c-parse.y (yylex): Support multi-character constants. + Thorough rewrite of char constant parsing. + + * c-decl.c (pushdecl): Replace local extern function decl with + previous global decl if latter is inline, or builtin, or has + more arg type info. + + * hard-params.c (xmalloc): Define it, for alloca.c. + + * tm-hp9k320.h (STANDARD_STARTFILE_PREFIX): Override -D in Makefile. + + * expmed.c (store_fixed_bit_field): Avoid shift by 32. + + * stmt.c (expand_function_start): Emit a NOTE_INSN_FUNCTION_BEG. + * final.c (final_scan_insn): For SDB output, do the + sdbout_begin_function at that note. + + * reload1.c (choose_reload_regs): If a reload reg inherits + from a previous reload, verify safety after all reloads are assigned. + + * c-decl.c (build_enumerator): Remove no-op casts. + + * reload.c (find_reloads): If an earlyclobber operand matches + an input operand it is constrained to match, that's not a problem. + If an earlyclobber operand loses due to earlyclobber, its matching + input operand also loses. + + * reload1.c (choose_reload_regs): Don't use result of find_equiv_reg + if that reg is used for reloading in an earlier part of the insn. + + * cse.c (fold_rtx): If WIDTH is 0, don't try sign-extending ARG0, ARG1. + + * Makefile (hard-params*): Use $(OLDCC). + + * c-typeck.c (c_alignof): No warning for -pedantic. - * optabs.c (expand_binop, expand_unop): When widening operands, - those with VOIDmode (like CONST_INT) may be left alone. + * c-parse.y (readescape): Don't have both error and warning + on one hex escape. -Sat Mar 12 01:09:24 1988 Richard Stallman (rms at wheaties.ai.mit.edu) + * c-parse.y (yylex): Treat vertical tab as white space. + (skip_white_space): Likewise. - * varasm.c (assemble_variable): When making a .comm or .lcomm, - round size up to multiple of BIGGEST_ALIGNMENT. + * c-parse.y (datadef): If pedantic, warn for stray semicolon. - * obstack.c (_obstack_newchunk): Eliminate fencepost causing copying - to access the word past the end of the existing object. + * expr.c (expand_increment): Pass accurate unsignedp arg + to expand_binary_op. - * tm-vax.h, tm-ns32k.h: Define {INIT_,}CUMULATIVE_ARGS - and upgrade FUNCTION_ARGS for new calling convention. +Mon Jun 19 13:36:20 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * gcc.c: If -O, define __OPTIMIZE__. - (do_spec_1): %c now scans SIGNED_CHAR_SPEC: define __CHAR_UNSIGNED__ - when appropriate whether or not it is the default. + * config.gcc (news, news-gas): Use xm-m68k.h. -Fri Mar 11 16:49:25 1988 Richard Stallman (rms at wheaties.ai.mit.edu) + * final.c (output_asm_label, output_addr_const): Make buf bigger. - * parse.y: Define YYDEBUG. + * cexp.y (main): Handle EOF on input. + (lookup, warning): Provide as a dummy. + (is_idchar, is_idstart): Declare as unsigned char. - * rtl.c (rtx_unstable_p): New function, same as old rtx_varies_p. - * explow.c (stabilize): Use rtx_unstable_p. - * rtl.c (rtx_varies_p): Ignore `unchanging' (undoing previous change - in this function) because `unchanging' doesn't enable cse to compare - the value with any particular constant value. - * rtl.c (insn_store_addr_varies_p): Delete, since not used. + * cexp.y (parse_escape): Use TARGET_NEWLINE, etc., as values. + Support hex escapes. Warn if octal or hex escape doesn't fit in char. - * hard-reg-set.h (COPY_HARD_REG_SET, etc.) non-scalar case: - Rename and rearrange temp variables to avoid name conflicts with args. + * cexp.y (yylex): Sign-extend char constants if appropriate. - * regclass.c (reg_class_record): Don't smash class to GENERAL_REGS - and don't exit prematurely, when `r' or `g' is seen. Must merge - GENERAL_REGS with previously determined desired class. + * genemit.c: Make insn-emit.c include insn-flags.h. - * expr.c (expand_call) [no PUSH_ROUNDING]: When pushing the arg - block, try to reuse some of the pending_stack_adjust. + * gcc.c: Move record_temp_file past page which declares vflag. - * cse.c: qty_const can now hold values (PLUS frame_pointer integer). - Effect is that storing into a structure doesn't invalidate - mem refs to scalar stack variables via addresses in registers. - (insert): Load such values into qty_const, like true constants. - (fold_rtx): Ignore qty_const if it isn't really a constant. + * integrate.c (expand_inline_function): If copying an insn with + a REG_EQUIV note, make a similar note. - * expr.c (expand_expr) VAR_DECL: Copy DECL_RTL before calling - change_address, so it isn't permanently clobbered. + * Allow reload regs to be reused for parts of an insn. + * reload.c (find_reloads): Classify each reload for which part + of the insn it is needed in. + (find_reloads_address, etc.): Pass down the overall operand + that this is part of, to record it on address reloads. + (push_reload): Record that for each reload. + * reload1.c (reload): Compute maximum needs of any part of the insn. + (choose_reload_regs): Part of old choose_reload_targets. + Hairier criteria for inheriting reloads and for which ones are + available for the next insn to inherit. + (emit_reload_insns): The rest of old choose_reload_targets. + Emit reload insns in proper order according to where they are needed. + * Record `reload_reg_in_use' separately for each part of the insn. + (mark_reload_reg_in_use): New function. + (reload_reg_free_p, reload_reg_free_before_p): New functions. + (reload_reg_reaches_end_p): New function. - * stmt.c (fixup_var_refs_1): Make sure the stack slot address - is valid by calling fixup_stack_1 each time it is substituted. + * expr.c (expand_expr): Emit queue in X+=(Y?Z:A) optimization. - * stmt.c (fixup_stack_1): Return the altered rtx. - If it's a MEM in the stack, return a copy of it. + * rtlanal.c (rtx_equal_p): Check vectors have same length. - * stmt.c (fixup_stack_slots): #if 0. - * stmt.c (expand_finish_function): Don't call fixup_stack_slots - because fixup_stack_1 is called elsewhere when necessary. +Sun Jun 18 12:16:14 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * reload.c (find_reloads_address): New arg is location of the MEM - whose address is being reloaded. So we copy the MEM if it - is one that can be shared. New arg 0 means no need to copy the MEM. - All callers pass the new arg. + * stmt.c (expand_expr_stmt): Maybe warn if top-level operator + makes an unused result. - * stmt.c (assign_parms): Determine parm stack-size from - the DECL_ARG_TYPE, not from the TREE_TYPE. - Else loses when parm is declared `float' but passed as `double'. + * gcc.c (delete_temp_files, delete_failure_queue): + If -v, report failures in unlink. - * emit-rtl.c (make_safe_from): Constants are already safe. - Use proper machine mode for temp reg when needed. + * Makefile (includes): New target to run fixincludes. + (install): Swap arms of if-statement. -Thu Mar 10 14:35:14 1988 Richard Stallman (rms at wheaties.ai.mit.edu) +Sat Jun 17 12:41:53 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * expr.c (emit_push_insn): Don't pass wrong type to plus_constant - (case where there is no PUSH_ROUNDING). + * stor-layout.c (layout_union): Arg to error_with_decl was missing. - * expr.c (expand_call): Round partial[i] down to multiple of - PARM_BOUNDARY before subtracting it from arg size on stack. - Compute these sizes just once and keep them in vector `arg_size'. - * expr.c (emit_push_insn): Handle `partial' uniformly, in accord - with this new convention for how it affects the stack size. - * stmt.c (assign_parms): Round NREGS down to PARM_BOUNDARY likewise. + * ns32k.md (movsf): Use CONST_DOUBLE_LOW to extract from CONST_DOUBLE. - * obstack.h (obstack_free macro) [Not __GNUC__ but __STDC__]: - Don't cast result of (obstack_free) to (int); just ignore it. + * loop.c (consec_sets_giv): Change type of force, force2. - * reload.c (find_reloads): Initialize operand_reloadnum. + * combine.c (dump*): Declare arg as FILE*. - * optabs.c (emit_unop_insn): New argument CODE, used to make - a REG_EQUAL note from operand OP0 if more than one insn results. - Also a REG_RETVAL note. - * expr.c (convert_move): Pass CODE arg to emit_unop_insn. - * flow.c (propagate_block): Use insn_dead_p to decide whether - to handle a REG_RETVAL note by skipping some insns. - Always pass 1 for STRICT_LOW_OK for an insn that has a REG_RETVAL note. - Handle case where REG_RETVAL points at an insn that's deleted. - * flow.c (insn_dead_p): New operand STRICT_LOW_OK says an insn - that sets STRICT_LOW_PART may be considered dead. + * Makefile (clean): Delete hard-params. - * expr.c (expand_expr): Once again canonicalize X-C to X+(-C). - Change on March 1 made it stop doing this. + * flow.c (life_analysis): Use a special obstack for the temporary + regsets. -Wed Mar 9 01:25:35 1988 Richard Stallman (rms at wheaties.ai.mit.edu) + * m68k.md (clr pattern): On 68000, use moveq to clear data reg. - * loop.c (move_movables): Don't always mark the moved reg - as equivalent to a constant value: not if it is being cleared - to zero-extend something or if it is used outside the loop. + * gvarargs.h: File varargs.h renamed. + The old name conflicted with , now that -I. is used. + * tree.c, expr.c, emit-rtl.c: Change #include commands. + * Makefile (install): Install gvarargs.h under name varargs.h. + * gcc.c: Include gvarargs.h, not system's varargs.h. - * expr.c (move_by_pieces_1): Finish last change. + * Makefile: Use -I$(srcdir) before -I$(srcdir)/config. + * config/tm.h: Deleted; didn't work if config was a symlink. - * stmt.c (assign_parms): Update stack_args_size properly. - Figure FIRST_PARM_OFFSET when making the stack mem refs. + * cse.c (cse_insn): Record location of inner_dest + so it can be replaced properly if a new MEM rtx is made. - * cse.c (insert): Build the related_value lists in the opposite order - so that the oldest element in the chain is the one that follows - the most basic element. +Fri Jun 16 14:17:20 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * expr.c (expand_expr): COMPONENT_REF case: criterion for - converting the the result is if MODE1 (its mode of arrival) isn't - a mode we want. + * make-cc1.com: Compile and link rtlanal.c. - * toplev.c (rest_of_compilation): Fix typo setting TREE_ASM_WRITTEN. + * c-typeck.c (build_array_ref): Call fold on the array ref. + * fold-const.c (fold): Simplify array ref of string constant. -Tue Mar 8 13:18:37 1988 Richard Stallman (rms at wheaties.ai.mit.edu) + * stmt.c (expand_asm_operands): Fix error message. - * cse'ing of library calls. + * Makefile (gnulib2): Remove old members before compiling new. + Fix stupid errors. + * gnulib2.c (__cmpdi2, __ucmpdi2): Typos in names of interface unions. - * expr.h: type `optab' is now a ptr to a struct. - The old contents are now the `handlers' element. - The `code' element gives the RTL code for the kind of expression - this optab makes (PLUS for add_optab, etc.) - Every var formerly declared `struct optab *' is now just `optab'. + * genconfig.c (main): Don't write MAX_CLOBBERS_PER_INSN; obsolete. + Add 3 to MAX_RECOG_OPERANDS. - * optabs.c (init_optab, init_optabs): New function to init an optab - and set its `code'. Used in init_optabs. + * cse.c (fold_cc0): Extra arg specifies machine mode. + Callers changed. + (cse_insn): Record original mode of each src for this purpose. - * optabs.c (expand_binop, expand_unop): Use the `code' field - to add a REG_EQUAL note to the insn that copies a libcall's - value into a pseudo. Also a REG_RETVAL note pointing at the - first insn for setting up args for the call. +Thu Jun 15 12:35:18 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * cse.c (cse_insn): Process REG_EQUIV and REG_EQUAL datum almost like - another set-src; put the actual src into the equivalence class of that. + * gnulib2.c (_cmpdi2, _ucmpdi2): Moved here from gnulib.c. + Use long long for argument type. - * flow.c (propagate_block): If a dead insn has a REG_RETVAL reg-note, - either ignore or delete all the insns back to the insn the REG_ARG - note points to. + * rtlanal.c (may_trap_p): Moved here from loop.c. + Return 1 for division by explicit zero. - * local-alloc.c (block_alloc): Don't refrain from allocating a - "constant" register if the constant value isn't ok for an immediate op. + * reload1.c (eliminate_frame_pointer, alter_frame_pointer_addresses): + Rerecognize insns which are changed by this. + * i386.md (call_value): Don't return prematurely. - * dbxout.c (CONTIN): If DBX_CONTIN_LENGTH is <= 0, do nothing. + * alliant.md (movqi): Handle moving Aregs to mem and vice versa. + (bftst -> btst): Restrict to bitpos less than 8 + so operand may be non-offsettable. + (nop): New pattern. + (return): Was disabled; now deleted. + * tm-alliant.h (PRINT_OPERAND_PUNCT_VALID_P): Define it. + * out-alliant.c (output_btst): Same change as in out-m68k.c - * cccp.c: Extra default include dirs for C++. - * cccp.c (main): For -M, strip dirs from object file name. + * alliant.md, out-alliant.c: Offsetable -> offsettable. - * rtl.c (find_reg_note): New function. + * c-parse.y (rule for stmt_exprs): Make the LET_STMT volatile. - * expmed.c (store_fixed_bit_field): Don't AND with VALUE - if VALUE's original mode had no more bits than we want. + * c-decl.c (duplicate_decls): Don't save inline function data + from previous definition if a new *definition* is seen. - * expr.c (emit_library_call): Use varargs. + * integrate.c (access_parm_map): Handle subregs and constants. - * integrate.c (copy_and_substitute_rtx): Recognize arg_pointer_rtx - and translate it just like frame_pointer_rtx. + * stmt.c (expand_return): Don't crash if DECL_RTL (DECL_RESULT()) is 0. -Mon Mar 7 00:48:33 1988 Richard Stallman (rms at wheaties.ai.mit.edu) + * tm-tahoe.h (LONGJMP_RESTORE_FROM_STACK): Define it. - * expmed.c (extract_fixed_bit_field): - Shift counts were wrong for narrow MODE in signed case. - Do the sign-extending shifts in the narrowest mode possible. - Reduce big-endian case to little-endian case. - Delete SLOW_ZERO_EXTEND conditional. + * tm-mips.h (CONSTANT_P): Deleted; duplicates rtl.h. - * Implement constants in memory for RISC machines - with limited abilities for immediate args and constant addresses. +Fri Jun 9 01:39:30 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * genoutput.c (output_epilogue): Empty predicate-name - is output as 0 in insn_operand_predicate. + * Makefile (float.h): Avoid using $(MAKE). - * expr.c (expand_expr): Change 4th arg to an `enum expand_modifier' - Value EXPAND_SUM corresponds to old nonzero 4th arg. - Value EXPAND_CONST_ADDRESS means ok to return an invalid MEM - whose address is a constant. Changes for this case in ADDR_EXPR, - COMPONENT_REF and ..._DECL. + * Don't cram two things into STMT_BODY of a LET_STMT. + * tree.h (struct bind_stmt): New field, subblocks. + (STMT_SUBBLOCKS): New macro to access it. + * print-tree.c (walk): Print new field. + * tree.c (build_let_stmt): Store the old BODY arg into subblocks field. + * c-parse.y (stmt expr rule): Put rtl expr alone into body field. + * dbxout.c (dbxout_block): Recurse on subblocks, not body. + * sdbout.c, symout.c: Likewise. + * integrate.c (copy_decl_tree): Likewise. + * stmt.c (setjmp_protect, uninitialized_vars_warning): Likewise. + * expr.c (expand_expr): For LET_STMT, simply use its body. - * varasm.c (output_arith_constant): Function deleted. - * tm-*.h: (ASM_OUTPUT_{INT,SHORT,CHAR}): 2nd arg is now an RTX - and output it using `output_addr_const'. - * varasm.c (output_constant): Change uses of those macros. + * machmode.def: Add sixth arg to each entry. + * tree.h, rtl.h, rtl.c: Add arg to DEF_MACHMODE. + * rtl.h (GET_WIDER_MODE): New macro; table in rtl.c. + * expr.c (expand_expr): Use that for widening multiply. - * varasm.c (init_const_rtx_hash_table): Initialize constant pool - for a new function. Called from `expand_function_start'. - * varasm.c (force_const_mem): Turn a constant rtx into a MEM rtx - which refers to the constant pool. Other new subroutines too. - (force_const_double_mem): Use force_const_mem to make the MEM. - (immed_real_const): No longer record the REAL_CST node in the rtx. + * stmt.c (fixup_var_refs_1): When converting MEM to QImode for + bit field, adjust the address if possible to make bitpos + less than 8. + * m68k.md (bftst -> btst): Restrict to bitpos less than 8 + so operand may be non-offsettable. - * explow.c (force_reg): If arg is a constant and not legitimate, - put it in the constant pool with force_const_mem. - Mark the register as equivalent to the constant value. - * expr.c (emit_move_insn): Likewise. - * explow.c (break_out_mem_refs): Use force_reg to put into a reg. - * explow.c (memory_address): Likewise. - * expr.c (expand_expr): ADDR_EXPR case: likewise. + * cccp.c (do_line): Accept and pass on 3rd arg for enter or leave file. - * expr.c (expand_call): Do force_reg on each register-operand - so it will go through a pseudo and can be cse'd. + * out-m68k.c (output_btst): Handle COUNT bigger than size of unit. - * recog.c (immediate_operand, nonmemory_operand, general_operand): - For constant operands, use LEGITIMATE_CONSTANT_P to decide value. - * tm-*.h: Define LEGITIMATE_CONSTANT_P. + * cccp.c (CHECK_DEPTH): Macro to detect instack overflow. + (finclude, macroexpand, expand_to_temp_buffer): Use that. - * reload1.c (reload): Invalid constants can't go in reg_equiv_constant. + * cccp.c (rescan): Don't check for disabled macro if traditional. + (macroexpand): Don't disable macro if traditional. -Sun Mar 6 22:49:06 1988 Richard Stallman (rms at wheaties.ai.mit.edu) + * sdbout.c (sdbout_one_type): Take out last change; assembler barfs. - * reload.c (push_reloads): If IN occurs within OUT, - don't reuse an existing input-only reload. Otherwise would lose on - (set (mem (plus R C)) (plus R C1)) if R is available in a spill reg. + * c-parse.y (maybe_attribute): Eliminate #-syntaxes. + Make ATTRIBUTE the name for __attribute. - * reload1.c (choose_reload_targets): Don't choose an inherited - reload register that's in use for another reload. - Without this, above change doesn't have an effect. + * c-parse.gperf: Add __attribute{,__} and __signed{,__}. + * c-parse.y: Install results of that change. - * Implement the `unchanging' flag in MEM and REG rtx's. - Also simplify code with a new subroutine `change_address'. + * Fix bug in sizeof ({...}). + * c-decl.c (poplevel): Set TREE_USED. Return the LET_STMT. + * c-parse.y (stmt-expr rule): Put the RTL_EXPR in the LET_STMT, + clear its TREE_USED, and use it as the result. + * expr.c (expand_expr): Allow LET_STMT as an expr. + Set its TREE_USED and expand the TREE_VALUE of its body. + * dbxout.c (dbxout_block): Ignore LET_STMT if TREE_USED not set. + * sdbout.c, symout.c: Likewise. - * emit-rtl.c (change_address): Return new memory ref like an old - one but with specified mode and address. - * expmed.c (extract{,_split,_fixed}_bit_field): Use change_address. - (store{,_split,_fixed}_bit_field): Likewise. - * expr.c (store_expr, expand_expr): Likewise. +Thu Jun 8 00:06:36 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * expr.c (move_by_pieces): Args now memrefs, not addresses. - Eliminate the FROM_VOL and TO_VOL args since the memrefs indicate. - Change the structure `struct move_by_pieces' similarly. - (move_by_pieces_1): Same changes; use change_address. - (emit_block_move, emit_push_insn): Calls to move_by_pieces changed. + * c-parse.y (yylex): Extend ERANGE-inhibitor for 0.0 + to 0.0e0 as well. - * integrate.c (copy_rtx_and_substitute): Use change_address; - handle ->unchanging field. + * flow.c (life_analysis): Prevent allocation of regs live at setjmp + on certain machines. Controlled by LONGJMP_RESTORE_FROM_STACK. + Sets reg_live_length to -1. + * local-alloc.c (block_alloc): Be prepared for that. + * tm-vax.h (LONGJMP_RESTORE_FROM_STACK): Define it. - * rtl.c (rtx_varies_p): Regs or memrefs with ->unchanging don't vary. - (copy_rtx): Perserve ->unchanging. - (print_rtx): Print ->unchanging as /u. + * gnulib2.c (all interfaces): Declare args and values as long long, + and split them using unions. - * stmt.c (expand_decl): Set ->unchanging on `const' decls. - (fixup_memory_subreg): Use change_address. - (assign_parms): Record in the rtl which parms are volatile or const. + * loop.c (check_dbra_loop): Don't reverse loop if there are two + refs to varying addresses. Consider foo[i] = foo[i-1]. + (count_nonfixed_refs): Subroutine to count them. - * varasm.c (assemble_variable): Set ->unchanging on `const' decls. - (output_constant_def): Always set ->unchanging for constant refs. + * cexp.y: Distinguish signed and unsigned. + An integer value is now represented by a struct. + All rules for arithmetic changed. + (yylex): Adapt to change in yylval data type. - * cse.c (canon_hash): Don't treat a MEM as "in memory" - if its ->unchanging bit is set. + * limits.h (LONG_MIN): Make sure it's a signed long. - * loop.c (invariant_p): A REG or MEM with ->unchanging is invariant - (for a MEM, the address must be invariant). + * sdbout.c (sdbout_one_type): Output types of fields first, + if they are structs. Don't go through pointers. + (sdbout_field_types): Subroutine for that -Sat Mar 5 13:22:11 1988 Richard Stallman (rms at wheaties.ai.mit.edu) +Wed Jun 7 13:00:44 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * genconfig.c (walk_insn_part): DO consider MATCH_DUPs - when calculating MAX_RECOG_OPERANDS. - (gen_expand): define_expand is now different from define_insn. - Compute max # SETs or CLOBBERs for any one sub-insn in a define_expand, - instead of summing them all. And don't count the MATCH_DUPs at all. + * fixincludes: Switch to /usr/include before doing vuid_event.h. + Use $2 as output directory for sed. - * genemit.c (max_operand_1): Record largest opno in a MATCH_DUP - separately from largest in a MATCH_OPERAND. - (gen_expand): An operand # with only MATCH_DUPs gets - a local variable in the gen_ function we output. + * tm-i386.h (FUNCTION_PROFILER): Put counter address in %edx. + * tm-i386v.h (LIB_SPEC): Use -L/usr/lib/libp if profiling. - * integrate.c (save_for_inline): Delete vestige of NOTE_INSN_IS_DECL. + * expr.c (expand_increment): Typo testing for BImode component. - * cse.c (invalidate): Handle subregs. - (cse_ins, invalidate_from_clobbers): Do call `invalidate' for subregs. - (insert_regs): When assigning one subreg from a like one, - make the two regs equivalent. - (cse_insn): Do call insert_regs when dest is a subreg. + * convex changes from csmith: + * tm-convex.h: use EXTRA_SECTIONS to do .bss. + out-convex.c: set_section, align_section are now unused. + * convex.md: add pattern to pick an A-reg destination for sums + whose source involves a dedicated A reg (frame or arg pointer) + * convex.md: immediate and, or, xor instructions store a 32-bit + result. Fix instructions that assumed it was 64. - * expr.c (expand_call): Precompute all args going via hard regs - since even arithmetic could require a library call. + * mips.md (probe): New pattern to create stack space. -Fri Mar 4 15:48:17 1988 Richard Stallman (rms at wheaties.ai.mit.edu) + * Makefile (float.h): Ignore errors from hard-params. + Specify ./ to run it. - * stor-layout.c (layout_parms): Function deleted. - * stmt.c (expand_function_start): Don't call it. +Tue Jun 6 15:45:27 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * stmt.c (assign_parms): - stack_args_size counts size of args so far passed on stack. - Use PARM_BOUNDARY when counting it; derive stack offsets from it. - Set current_function_args_size from it. + * out-tahoe.c: Rename `offsetable' to `offsettable'. - When an arg is split between regs and stack, make stack space - for the rest of it, and count it. - In a varargs function, push the last arg onto the stack. - When an arg is passed in regs alone, don't remember a stack slot - for it, and if it needs one, use assign_stack_local. + * tahoe.md (nop): New pattern. - Set DECL_OFFSET to the stack offset, or -1 if parm came in regs. + * i386.md (umul...): Constrain operand 1 as `0', not `a'. + `a' sometimes wanted two a-regs for operands 0 and 1. - * expr.c (expand_call): Anonymous args of a varargs function - are always passed on the stack. + * cccp.c: Forward-declare some structs. - * varasm.c (force_const_double_mem): Copy the MEM rtx - if it may need to be smashed by reloading. + * c-decl.c: Rearrange fcn fwd decls and struct decls. - * genemit.c (gen_expand): define_expand must have nonempty pattern - even though, due to `return' statements in the code-to-run, - that pattern may not be used to generate code. + * expr.c: Move some fcn fwd decls after structs their args use. + * genpeep.c, genextract.c: Likewise. -Thu Mar 3 17:08:43 1988 Richard Stallman (rms at wheaties.ai.mit.edu) + * loop.c: Forward-declare some structs. - * expr.c (expand_expr): If supposed to sign-extend an enum - which is never negative, zero-extend instead (unless SLOW_ZERO_EXTEND). - (store_expr): Likewise. + * stmt.c: Move decls of structs before those of static functions. - * reload.c (find_reloads): 'm' for CONST_DOUBLE: clear BADOP, not BAD. - After force_const_double_mem, do find_reloads_toplev on the MEM. - (find_reloads_address): Handle constant addresses (on machines - that don't allow them). + * loop.c (strength_reduce): Delete extra arg to check_eliminate_biv. - * final.c (set_current_gdbfile): New fn, get the gdbfile structure - for specified filename. - (output_source_line): Use set_current_gdbfile for the file. - * varasm.c (assemble_variable): Call set_current_gdbfile - for the declaration's source file, so GDB won't ignore the file. + * integrate.c (expand_inline_function): Supply missing arg + to convert_to_mode. - * varasm.c (force_const_double_mem): Build a new REAL_CST node - and get its data type from the machine mode of the CONST_DOUBLE. - (immed_real_const): Don't save the REAL_CST tree node. - * typecheck.c (get_floating_type): Return float type for given mode. + * gcc.c (handle_braces): Supply missing arg to do_spec_1. - * integrate.c (expand_inline_function): Ignore the (USE (REG...)) - (for the return-register) at the end of the inline function. - After a CALL_INSN, imagine the (SET (REG ...) (REG ...)) for - the return-register if the return-register isn't explicitly used. + * explow.c (lookup_static_chain): Accept a context arg. -Wed Mar 2 22:08:49 1988 Richard Stallman (rms at wheaties.ai.mit.edu) + * expmed.c (store_split_bit_field): Pass ALIGN arg + to extract_fixed_bit_field. - * typecheck.c (build_array_ref): Do default_conversion on INDEX. + * expr.c (expand_assignment): Convert TYPE_ALIGN to bytes. + (store_constructor, expand_expr): Likewise. -Tue Mar 1 15:49:34 1988 Richard Stallman (rms at wheaties.ai.mit.edu) + * m68k.h: NO_ADDSUB_Q conditionals turn off all addq, subq insns. + (Fully supported only with MOTOROLA and HPUX_ASM flags.) - * expr.c (expand_call): Always get a SYMBOL_REF for a fixed function. - If may be alloca, set may_call_alloca. - (gen_call_1): Never put a SYMBOL_REF through `memory_address'; - but if function cse is wanted, just copy it to a register. - If NO_FUNCTION_CSE is defined, never do function cse. + * jump.c (do_cross_jump): Don't die if LABEL is 0. - * expr.c (init_expr): New function, does init_queue and inits - other things. + * tm-mips.h (PRINT_OPERAND_PUNCT_VALID_P): New macro. + * tm-iris.h: New file. Unsplit lines accidentally split. - * stmt.c (expand_function_start): Call init_expr, not init_queue. +Mon Jun 5 15:39:30 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * optabs.c (expand_binop): Don't clobber OP0 and OP1 - if may call delete_insns_since later. + * integrate.c (output_inline_function): Call init_function_start, + not expand_function_start. + * emit-rtl.c (restore_reg_data): No need to init reg_rtx_no. - * expr.c (emit_library_call): PUSH_ARGS_REVERSE test was backwards. + * stmt.c (init_function_start): Set current_function_returns_struct. - * cse.c (cse_insn): Do canon_reg on the size and position operands - in a ZERO_EXTEND or SIGN_EXTEND that is a destination. + * rtlanal.c (reg_set_between_p): New fn analogous to reg_used_between_p + * loop.c (strength_reduce): Reject biv initial value which is altered + subsequently before actual loop start. - * tm-*.h: Define SLOW_BYTE_ACCESS. - * expmed.c ({store,extract}_fixed_bit_field): - If SLOW_BYTE_ACCESS, get/set all bit fields from full words. + * rtlanal.c: New file split out from rtl.c. + Has things not used in the gen files. - * combine.c (subst): Simplify - (zero_extend:SI (subreg:QI (zero_extract ...))). - * combine.c (simplify_and_const_int): Simplify - (and (zero_extract ...) (const_int ...)). + * loop.c (strength_reduce): Reject biv initial value in a hard reg + clobbered by an intervening function call. - * local-alloc.c (qty_compare{,_1}): Test of qty_phys_sugg was reversed. - (combine_regs): If one pseudo gets two suggested hard regs - (one at birth and one at death), prefer the one from birth - unless we see at death that it's no good. + * tree.c (get_identifier): New flag needed to enable id-clash warnings. + (start_identifier_warnings): Set that flag. + * c-decl.c (init_decl_processing): Call that, after making built-ins. - * expr.c (expand_expr): Ignore sum_ok unless mode is Pmode. - Don't use force_operand unless sum_ok is set. +Sat Jun 3 14:41:34 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) -Mon Feb 29 19:23:50 1988 Richard Stallman (rms at wheaties.ai.mit.edu) + * final.c (final_scan_insn): No basic block profiling at jump tables. - * expr.c (emit_move_insn): When a CONST_DOUBLE needs moving - by pieces, force it into memory, unless it is dconst0_rtx, - in which case each piece is const0_rtx. - (emit_push_insn): Likewise. Also, write code for pushing a - non-BLK mode which has no "mov" insn defined, but only - in the case where there is no PUSH_ROUNDING. + * stmt.c (expand_decl): Probe the stack to make pages exist. + * expr.c (expand_builtin): Likewise, for alloca. - * expr.c (do_tablejump): Put constant term in address last. + * move-if-change: Specify /bin/sh. - * toplev.c (xrealloc): On error, call fatal instead of abort. + * tm-ns32k.h (INDIRECTABLE_2_ADDRESS_P): Don't accept PLUS + with constant operands but not inside CONST. - * optabs.c (emit_cmp_insn): If genning from tst_optab, - make the operand fit its predicate. + * integrate.c (output_inline_function, save_for_inline): + Save stack_slot_list, and restore it for actual output. + * emit-rtl.c (gen_inline_header_rtx): New arg for this. - * optabs.c (expand_float): Don't adjust stack between cmp and jump. + * emit-rtl.c (restore_reg_data): Initialize reg_rtx_no. + (restore_reg_data_1): Handle reg_rtx_no jumping past + reg_pointer_flag_length. - * optabs.c (expand_binop): Recursive calls can return 0; handle - that event by deleting any preparatory insns. Also don't smash - TARGET when this happens. + * reload1.c (alter_reg): Do nothing if regno_reg_rtx has 0. - * reload.c (push_reload): If IN != *INLOC, set reload_nocombine. - (combine_reloads): Don't combine an input reload with reload_nocombine. + * integrate.c (copy_rtx_and_substitute): Typos for stack parm + addresses in PLUS case. - * jump.c (jump_optimize): Don't delete stack adjusts unless - EXIT_IGNORE_STACK is nonzero. - * expr.c (clear_pending_stack_adjust): Likewise. - * tm-*.h: When EXIT_IGNORE_STACK is defined, give it `1' as defn. + * genoutput.c (gen_insn, gen_peephole): Make output_n fns static. + (output_prologue): Use new macro DEFAULT_MACHINE_INFO if defined. - * expr.c (expand_call): Initialize args_size. - Don't push a block if args_size is 0. - (emit_library_call): Don't include register-args (or reg-parts - of partial ones) in args_size. - Don't push a block if args_size is 0. + * tree.h (enum machine_mode): Define MAX_MACHINE_MODE as in rtl.h. - * expr.c (expand_expr): For DECLs in memory, check the address - validity with memory_address_p, and preserve volatility info. +Fri Jun 2 15:40:47 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * stmt.c (expand_function_end): fixup_gotos needs 2 args. + * cccp.c (do_include): A file included via a system header file + counts as a system header file for -M. - * jump.c (mark_jump_label): If INSN is 0, don't set its JUMP_LABEL. - Inside an ADDR_VEC or ADDR_DIFF_VEC, recurse with 0 for INSN. + * gnulib2.c: Support boolean ops and shifts. - * varasm.c (force_const_double_mem): Must zero TREE_CST_RTL - before output, or nothing will happen. + * loop.c (emit_iv_inc): Use emit_iv_init_code. -Sun Feb 28 01:08:53 1988 Richard Stallman (rms at wheaties.ai.mit.edu) + * rtl.h (CONST0_RTX): Don't try to cast abort. - * optabs.c (emit_unop_insn): Generate and emit an insn - given the insn-code and the two operands (one out, one in). - Can move the operands into registers when needed for various - reasons. - * expr.c (convert_move): Use emit_unop_insn for outputting the - conversion insns. + * tm-news.h (PRINT_OPERAND_ADDRESS): Fix typo `reg_name'. + Delete two garbage lines. - * expr.c (emit_library_call): Use arg's nominal mode to choose - a reg to pass it in, not actual mode (which can be VOIDmode). + * loop.c (eliminate_biv): Use emit_iv_init_code to compute comparison + value. If value is constant, recognize the insn, and if that fails, + put the value in a register. - * insn-emit.c (emit_insn): If arg is empty SEQUENCE, do nothing. +Thu Jun 1 16:56:39 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * genemit.c (gen_expand): Scan the rtl-pattern for predicates - and machine modes of the operands. + * print-tree.c (dump): Don't die if rtx components are null. - * m68k.d (dbra patterns): Add HPUX_ASM conditionals. + * expmed.c (expand_mult_add): New fn to do A * X + B. + (make_tree): New subroutine. + * loop.c (emit_iv_init_code): Use that. Much simpler now. - * rtl.c (reg_mentioned_p): Use "equal", not "eq", when - REG isn't a register. - * reload.c (combine_reloads): Verify not reg_mentioned_p even if - the input reload's value isn't a register. +Tue May 30 17:20:40 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * reload.c (operands_match_p): If successful and 2nd arg - has a pre-increment that matches a non-increment, return 2. + * fold-const.c (fold): Use TREE_SET_CODE to store in tree codes. - * reload1.c (reload): At end, clobber a pseudoreg to a MEM - even if it's an out-of-range address. It doesn't affect the - assembler code in this case, but it makes the dbx output correct. + * tree.h (struct tree_common): Make `code' an unsigned int. + (TREE_CODE, TREE_SET_CODE): Put in casts. - * recog.c (constrain_operands): When operands_match_p returns 2, - in the constraint alternative that is ultimately successful, - copy the output operand from the input that it matched - so that the assembler insn that is output shows the pre-increment. + * optabs.c (emit_cmp_insn): Supply all the args in recursive calls. -Sat Feb 27 15:16:47 1988 Richard Stallman (rms at wheaties.ai.mit.edu) + * toplev.c (report_error_function): Fix typo; METHOD_TYPE missing. - * combine.c (subst): When optimizing - (set (zero_extract ...) (and (zero_extract ...) const)) - must arrange to have 1's, not 0's, shifted into low bits of const. + * fixincludes: Add code to make internal non-directory links. - * decl.c (grokdeclarator): When return-type defaults to int, - don't warn, just set warn_about_return_type. - (start_function): See that variable and warn, after starting function. +Mon May 29 21:36:28 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * toplev.c (count_error): No longer print newline if not quiet. - (report_error_function): If not quiet, print a newline if - printing anything, and don't print the function name. + * gcc.c (find_exec_file): Try both with and without machine_suffix. + (find_file): Use machine_suffix here too. - * reload1.c (choose_reload_targets): - Fix the loop that checks for consecutive available spill regs. - Set `have_groups' nonzero if any reload wants a group. - In that case, for non-group reloads, prefer a reg that can't be in - group, or else one that has only one available neighbor. +Sat May 27 00:02:26 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * reload1.c (reload): Find separately the max need for each class - for single registers, groups of registers, and single registers - not in any group. (The last one counts non-group reloads - in insns that have at least one group reload.) - Then make sure enough of each kind are found. + * reload.c (decompose): OFFSET wasn't initialized. - * expmed.c: Now needs flags.h and recog.h (therefore insn-config.h). + * cse.c (cse_main): Assign monotonic cuids. + (make_regs_eqv, CHEAPER): Use cuids, not uids. + (cse_end_of_basic_block): Return a cuid, not a uid. - * expmed.c (store_bit_field): - Delete redundant protect_from_queue. - Force VALUE out of memory if -fforce-mem. - If insv's predicate for VALUE wants a register, put it there. + * expr.c (expand_builtin): For BUILTIN_SAVEREGS, range of regs + moved included one extra previous insn. - * expmed.c (extract_bit_field): - Force TARGET out of memory if -fforce-mem. - If insv's predicate for TARGET wants a register, put it there. + * emit-rtl.c (emit_line_note): Don't check -g here. + (emit_note): For line number when no -g, increment cur_insn_uid anyway. + * stmt.c (expand_start_case): Always output a NOTE_INSN_DELETED. -Fri Feb 26 00:12:48 1988 Richard Stallman (rms at wheaties.ai.mit.edu) + * loop.c (loop_optimize): Don't count line-number NOTEs for luids. + Prevents -g from affecting optimization decisions. - * reload1.c (eliminate_frame_pointer): Don't check for pushes - unless PUSH_ROUNDING is defined. +Fri May 26 17:31:15 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * reload.c: Don't define REG_OK_FOR_{INDEX,BASE}_P - (since the tm file is supposed to do it). + * local-alloc.c (block_alloc): Don't count notes in insn_number. + Prevents -g from affecting order of allocation. - * expr.c (emit_push_insn, expand_call): - Don't use PUSH_ROUNDING if it's not defined. +Thu May 25 14:12:19 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * expr.c (preexpand_calls): Do nothing for constants and decls. + * local-alloc.c (block_alloc): Clear full length of regs_live_at. - * expr.c (expand_call, emit_library_call): When PUSH_ROUNDING - is not defined, use ROUND_CALL_BLOCK_SIZE to round the size - of the block of arguments. + * ns32k.md (cmpsi): Make this the first cmp pattern. - * expr.c (expand_call): Don't count register-args in ARGS_SIZE. + * jump.c (do_cross_jump): Skip NOTEs while checking for existing label. - * rtl.h, emit-rtl.c: Create static_chain_incoming_rtx - and struct_value_incoming_rtx. - * stmt.c (expand_function_start): Use ..._incoming_rtx where needed. + * cse.c (cse_insn): When no-oping a jump, decrement use count of label. + (cse_basic_block): If label use count is 0, go past it. - * expr.c (expand_call): Use new macros INIT_CUMULATIVE_ARGS, - CUMULATIVE_ARGS and FUNCTION_ARG_ADVANCE to update data - on args scanned so far. - (emit_library_call): Likewise. + * integrate.c (access_parm_map): New fn, broken out of + copy_rtx_and_substitute, handles case of mem ref to stack arg. + (copy_rtx_and_substitute): Call it. + Also use it for address of a stack arg. + + * gen*.c (fatal): Declare 1st arg as string. + +Wed May 24 00:13:36 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * optabs.c (init_optabs): Handle movdi and movdf insns. + + * final.c (end_final): Realign locn ctr after outputting string. + + * tm-sparc.h (LINK_SPEC): Link bb_link.o before standard lib. + + * tm-sun386i.h (LINK_SPEC): Accept and ignore -sun386. + + * gcc.c (find_exec_file): Use machine_suffix. + (process_command): Set that for -b option. + + * integrate.c (function_cannot_inline_p): No size limit + for functions declared inline. + + * loop.c (skip_consec_insns): New fn, skip several insns or libcalls. + (force_movables): New fn, part of scan_loop broken out. + (ignore_some_movables): New fn, ignore a movable whose insn + is within another movable's libcall. + (scan_loop): Call those three. + Don't handle m->consec for zero-extend movables, since always 0. + +Tue May 23 12:58:24 1989 Joe Weening (weening at gang-of-four.stanford.edu) + + * config/alliant.md: + Removed operand classes 'x', 'y', 'G', 'H'. + Added "%." to many opcodes to simplify comparison with m68k.md. + Changed TARGET_68881 to TARGET_CE. + Changed floating-point insns to better describe the Alliant CE. + Most args to floating-point insns are now nonimmediate_operand. + Removed special insns for pushing doublewords onto stack. + Added non-CE versions of movsf and movdf to avoid using FP + registers in this case. + (float*i*f2): Don't allow immediate ops. + (sne): Fix typo, fsne => fsneq. + (call, call_value): Changed to always pop args from stack + upon return; this gives better code than before and conforms + to Alliant calling standard. + Incorporated some recent changes to m68k.md. + + * config/out-alliant.c: + (regno_reg_class): Removed FPA reg classes. + (output_move_const_double): Function not needed, removed. + + * config/tm-alliant.h: + Removed FPA registers and reg classes. + Target flags: changed TARGET_68881 to TARGET_CE, removed + TARGET_RTD, TARGET_REGPARM, TARGET_FPA. + Removed TARGET_CE test in several places since we need to + use FP regs even for non-CE programs. + (TARGET_VERSION, CPP_SPEC): Define for Alliant. + (CONDITIONAL_REGISTER_USAGE): Removed, not needed. + (FRAME_POINTER_REQUIRED): Defined. + (RETURN_POPS_ARGS): Defined. + (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): + Use fp0 to return floating-point values. + (FUNCTION_ARG): Remove TARGET_REGPARM code. + (FUNCTION_ARG_PARTIAL_NREGS): Always 0. + (FUNCTION_PROFILER): Define for Alliant. + (FUNCTION_EPILOGUE): Remove use of rtd instruction. + Renamed CC_IN_68881 to CC_IN_FP. + (NOTICE_UPDATE_CC): Incorporate changes that were made + in tm-m68k.h. + + * config/xm-alliant.h (LINK_SPEC): Pass -X to linker. + +Tue May 23 12:58:24 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * sdbout.c: Don't include c-tree.h. + + * tree.c (build_index_type): Use sizetype for min and max values. + Convert maxval rather than clobbering it. + + * tm-hp9k320.h: Finish unterminated comment. + + * sdbout.c (sdbout_parms): Use gen_fake_label for anonymous parm. + +Sun May 21 12:58:06 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * stmt.c (aggregate_value_p): New fn says whether expression is a type + that functions cannot return as a scalar. + (assign_parms, expand_function_start): Use that. + * expr.c (expand_call): Likewise. + + * gcc.c (delete_failure_queue): New subroutine. + (delete_temp_files): No longer delete the failure queue. + (main): Delete failure queue after each failing compilation. + +Sat May 20 13:16:23 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * varasm.c (force_const_mem): New optional macro SELECT_RTX_SECTION. + + * mips.md: Change %u0 to %:. + (movsi): Add constraint alternative accepting address arg. + + * fold-const.c (mul_double): Special case for 2nd arg 2, 4, 8. + (combine): Special case shortcuts for plus, minus, mult, div. + + * stmt.c (expand_function_start): Simplify hairy statement for 3B1. + * expr.c (expand_call): Likewise. + + * math-68881.h: New file. + + * m68k.md (movqi): Handle moving aregs to mem and vice versa. + + * dbxout.c (dbxout_type): Don't test use_gdb_dbx_extensions + in cases that occur in C. + + * stmt.c (expand_function_{start,end}): Make DECL_RESULT's rtl 0 + when function returns no value. + + * tree.c (build_decl): Initialize DECL_PRINT_NAME, DECL_ASSEMBLER_NAME. + + * c-decl.c (store_parm_decls): Call init_function_start. + +Thu May 18 00:41:37 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * stmt.c (expand_null_return_1): New arg USE_GOTO says jump to + return_label even if could otherwise use a return insn. + Make a return_label if we need one and don't have one already. + If have parm cleanups, always jump to cleanup_label. + (expand_null_return): Pass 1 for USE_GOTO if cleanups pending. + (expand_return): Set LAST_INSN if have local cleanups or parm cleanups. + Use that if jumping to tail-recursion label. + Optimization for returning a comparison is safe for local cleanups + but don't do it if there are parm cleanups. + Calling expand_null_return_1, pass 1 for USE_GOTO if local cleanups. + (this_contour_has_cleanups_p): New function. + + * stmt.c (init_function_start): New function, beginning of + expand_function_start broken out. + Use DECL_PRINT_NAME to get function's name. + (expand_function_start): Now two args, function and PARMS_HAVE_CLEANUPS + Compute RETURN_LABEL sooner; make one if parm cleanups. + If parms have cleanups, put scalar return value in pseudo-reg. + Don't mark that pseudo with REG_FUNCTION_VALUE_P. + (expand_function_end): Simplify decisions about output of return_label + and return insn. + If DECL_RESULT is pseudo-reg, copy it to real return reg. + + * stmt.c (expand_function_end): Handle ordinary struct values + like pcc, but only if unoptimized. + (expand_function_start): Make a return_label for ordinary struct value. + + * stor-layout.c (layout_type): Handle METHOD_TYPE like FUNCTION_TYPE. + (layout_decl): Allow TYPE_DECL. + + * stor-layout.c (layout_basetypes): Code for basetypes broken + out of layout_record. Sets the type size tentatively. + (layout_record): Start with that tentative size. + Also, don't do anything with CONST_DECL members. + + * stor-layout.c (layout_union): Simpler error report for static memb. + + * reload1.c (eliminate_frame_pointer): Reduce PUSH_ROUNDING + conditional to apply only to push instructions. + + * expr.c (expand_call): Fix stupid errors handling MAX_PARM_BOUNDARY. * stmt.c (assign_parms): Likewise. - * tm-spur.h, tm-m68k.h: Define these macros. - * rtl.h (NUM_MACHINE_MODES): NUM_MACHINE_MODE renamed. - * rtl.c, genrecog.c: Change places it is used. + * toplev.c (announce_function, report_error_function): + (error_with_decl, warning_with_decl): Use DECL_PRINT_NAME. + + * toplev.c (compile_file): Subtract integration_time from parse_time. + + * toplev.c (compile_file): Don't output read-only static variables + at end of compilation if address was not used. + + * toplev.c (rest_of_compilation): Handle flag_syntax_only. + + * toplev.c (main): Handle -g0 and -G0 options. + For -g and -G, set use_gdb_dbx_extensions. + + * toplev.c (main): Set `progname'. + (pfatal_with_name, fatal_io_error, {error,warning}_with_file_and_line): + (sorry): Print value of `progname', not "cc1". + + * tree.def: Delete FRIEND_DECL. Add PUSH_EXPR and POP_EXPR. + + * tree.c (simple_cst_equal): Handle INDIRECT_REF. + + * tree.c (lvalue_p): Handle METHOD_TYPE. Handle NEW_EXPR. + + * tree.c (copy_list): New function. + + * tree.h (struct tree_decl): New fields print_name and assembler_name. + (DECL_PRINT_NAME, DECL_ASSEMBLER_NAME): New accessors. + + * c-decl.c (LONG_DOUBLE_TYPE_SIZE): New compilation parameter. + +Wed May 17 22:07:17 1989 Randall Smith (randy at apple-gunkies.ai.mit.edu) + + * dbranch.c (emit_delay_sequence): Reset insn code to -1 when + turning insn into a sequence so that it won't think that it matches + something in the md file. + + * dbranch.c (insn_eligible_p): Call refers_to_regno_p with a + non-zero range. + + * dbranch.c (pnote): Modified to make sure instruction clobbered + register is a set, rather than, say, a clobber. + +Wed May 17 14:01:20 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * sdbout.c (sdbout_parms): Handle parm with no name. + + * loop.c (combine_movables): Test for overlap of zero-extend regs + was screwed up. + + * c-typeck.c (c_sizeof{,_nowarn}): Convert from bytes to chars, + since c defines sizeof (char) as 1. + (pointer_int_sum, pointer_diff): Use c_sizeof{,_nowarn}. + +Tue May 16 16:27:32 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * reload1.c (choose_reload_targets): Don't reuse regs + mentioned in reload_reg_rtx. + + * tm-tahoe.h, tahoe.md, out-tahoe.c, xm-tahoe.h: New files. + +Mon May 15 16:25:12 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * fixincludes: Exit with explicit status 0 at end. + cd to /usr/include before cd to subtree root in case of relative link. + Create dir $LIB earlier. + When checking for a link, treat .. like an absolute target. + + * symout.c (symout_block_symbols): Give every local decl a typespec. + * cexp.y (parse_number): + * flow.c (life_analysis, dump_flow_info): + + * loop.c (consec_sets_invariant_p): Logic error accepted consec sets + of which only one was invariant. + + * expr.c (expand_expr): Use no subtargets inside loops. + * stmt.c (inside_loop): New function. + +Sun May 14 00:11:07 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * tree.h: Declare long long types. + + * c-parse.y (combine_strings): Make string contents saveable. + + * tree.c (savealloc): New function. + + * m68k.md (movdi): % missing in fmove%.d. + + * c-parse.y (yylex): Detect overflow past 64-bits. + Detect specially numbers not fitting in signed long long. + +Sat May 13 13:16:05 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * reload1.c (alter_frame_pointer_addresses): Preserve volatility. + + * varasm.c (output_constructor): Die if BITS_PER_UNIT is too big + for this function to work. + + * genpeep.c (match_rtx): For match_operator, match the operands, too. + + * varasm.c (output_constant): Use ASM_OUTPUT_DOUBLE_INT for DImode. + + * stor-layout.c (make_signed_type, make_unsigned_type): + (fixup_unsigned_type): Use HOST_BITS_PER_INT. + + * stor-layout.c (layout_type): Use TFmode if appro. + + * optabs.c (emit_cmp_insn): Use mode sizes to check cmpstrqi, cmpstrhi. + + * c-typeck.c (get_floating_type): Compare MODE against modes of types. + (signed_type, unsigned_type, signed_or_unsigned_type, type_for_size): + Handle long long types. + (digest_init): Don't assume width of `char' is BITS_PER_UNIT. + + * c-parse.y (yylex): For truncating chars, use width of `char' type. + Allow `ll' in int constants and make long long. + Also make long long if constant won't fit in an int. + + * c-decl.c (SHORT_TYPE_SIZE): Round up when dividing. + +Fri May 12 22:36:21 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * real.h: Allow multiple inclusion. + + * tm-sun386i.h (DBX_REGISTER_NUMBER): Bizarre renumbering. + +Thu May 11 00:36:21 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * fixincludes: Fix non-ansi declaration of sprintf in X11/Xmu.h + + * c-parse.y (stmt from expr): Do default conversion if useful + for sake of ({...}). + + * sparc.md (andcc recognizer): Operand missing in subreg. + +Wed May 10 17:20:38 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * rtl.c (read_name): Error if name is missing. + (dump_and_abort): Don't print char args if -1. + + * i386.md (umulqihi3): Operand numbers were missing. + + * reload1.c (choose_reload_targets): Allow spill reg in find_equiv_reg + if it's free and correct class. + + * cse.c (canon_hash): Handle empty strings. + + * cccp.c (macroexpand): Newline newline treated like real white space + when stringifying. + + * Rename *offsetable* to *offsettable*. + +Tue May 9 22:54:58 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * c-decl.c (finish_type): Layout any variants of the type. + +Tue May 9 12:30:28 1989 Randall Smith (randy at apple-gunkies.ai.mit.edu) + + * final.c (final_scan_insn, final): Added an argument to + final_scan_insn to disallow peephole processing (to turn it off + during delayed branch scheduling). + + * final.c (final_scan_insn): Made insn not matching any MD rtl a + criteria for delayed branch case. Moved delayed branch case to just + before real insn recognition to reduce the number of insns on which + recog_memoized is called. + +Mon May 8 15:02:42 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * fixincludes (LIB): Allow overriding. + + * cccp.c: Don't search /usr/include/CC by default. + +Mon May 8 13:09:21 1989 Randall Smith (randy at apple-gunkies.ai.mit.edu) + + * print-tree.c (dump): Fixed typo; IDENTIFIER ==> IDENTIFIER_NODE. + +Sun May 7 12:44:53 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * print-tree.c (dump): TYPE_NAME may be IDENTIFIER or TYPE_DECL. + +Sat May 6 00:13:47 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * tree.def: Define EXACT_DIV_EXPR, for when remainder known as 0. + * fold-const.c (combine, fold, div_and_round_double): Handle new code. + * expr.c (expand_expr): Likewise. + * c-typeck.c (pointer_diff): Use EXACT_DIV_EXPR. + + * integrate.c (expand_inline_function): Use size of passed type + for allocating stack slot with that type. + + * c-parse.y (maybe_attribute, attribute*): New syntax for Apollos. + These tokens currently not generated. + +Fri May 5 18:43:01 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * toplev.c [USG]: Undefine FLOAT for sake of sys/param.h on hpux. + + * optabs.c (expand_binop): If backtracking, don't delete insns made + for -fforce-mem. + +Thu May 4 01:57:23 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * reload.c (find_reloads): Don't compare an earlyclobber operand + with itself. + + * reload.c (immune_p): Constants and stack slots don't overlap. + + * Put no-ops in front of loops and labels, + to prevent confusion in the debugger. + * c-parse.y (loops and labels): Call emit_nop. + * stmt.c (emit_nop): New function--sometimes emit a no-op. + * *.md (nop): New insn. + + * expr.c (expand_call): Typo in arg to FIRST_PARM_CALLER_OFFSET. + +Wed May 3 01:34:58 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * loop.c (scan_loop): Scanning around end of loop + should not set maybe_never. + + * Rename SELECT_VARIABLE_SECTION to SELECT_SECTION. + * varasm.c (get_or_assign_label): Use SELECT_SECTION if defined. + * varasm.c: Use EXTRA_SECTION_FUNCTIONS if defined (new macro). + + * mips.md: Change %u to %u0 to avoid error check. + + * tm-mips.h (TARGET_VERSNUM): Inc. to 1 08. + (TARGET_VERSION): Change strings. + (AL_DEBUG): Don't define it. + (HARD_REGNO_MODE_OK): Add some casts to int. + (STACK_ARGS_ADJUST): Name was misspelled. + (PRINT_OPERAND_ADDRESS): Just abort for MEM, POST_INC, etc. + (EXTRA_SECTIONS, SELECT_VARIABLE_SECTION, SELECTORS_EXTRA_SECTIONS, + SELECT_VARIABLE_CONST_SECTION): New macros. + (ASM_FILE_END): Change function name. + * out-mips.c (function_arg_advance): Delete debugging printfs. + (function_inarg, function_arg): Likewise. + (compare_collect, compare_restore): Add some. + + * reload1.c (reload): Fix handling of caller_save_needed. + + * stmt.c (expand_function_start): Clear caller_save_needed. + + * stmt.c (emit_case_nodes): Some compiler has trouble with calling + a function pointer. + * gnulib.c: likewise. + +Tue May 2 15:32:25 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * loop.c (combine_movables): For zero extend, + do each from-mode separately. + +Mon May 1 00:18:47 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * tm-apollo68.h: New file. + + * c-parse.y (is_reserved_word, hash): Add keywords `__asm__', etc. + * c-parse.gperf: Corresponding changes. + + * c-parse.y (check_newline): Set main_input_filename before + considering optional arguments. + + * final.c (final_scan_function): Return next insn to process. + Usually that's the following insn; occasionally, previous compare. + + * c-decl.c (DOUBLE_TYPE_SIZE): Wrong value. + + * reload.c (decompose): Failed to return value. + + * Support local specified-register variables. + * varasm.c (decode_reg_name): New function, cvt asmspec to regnum. + (make_decl_rtl): Call that. + * toplev.c (rest_of_decl_compilation): Handle local specified-register + declarations. + + * i386.md (tstqi, trunc*qi): Constrain to `q' regs. + + * loop.c (scan_loop, move_movables): ->global for zero-extend register + now means register is used outside range from where it is set + to the following label. Non-global zero-extend regs + may be entirely cleared. + + * loop.c (combine_movables): Loop that combines matching movables + broken out from scan_loop. + Now also combine non-global zero-extend registers with each other + if their lifespans don't overlap. + + * c-typeck.c (build_unary_op, ADDR_EXPR of a COMPONENT_REF): + Always convert to desired result type. + +Sun Apr 30 12:58:58 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * c-decl.c (init_decl_processing): New macros parameterize int types. + CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, + FLOAT_TYPE_SIZE, DOUBLE_TYPE_SIZE. + + * fixincludes: Use sed instead of ex. No problem with split lines. + + * print-tree.c (dump): Print type's name, if any. + + * c-parse.y: Use __inline, not plain inline. + + * toplev.c: New option -fdelayed-branch. + (compile_file): Open and close dbranch dump file. + Collect and print dbranch time. + (rest_of_compilation): Optionally do dbranch scheduling, + only if HAVE_DELAYED_BRANCH. + (main): Handle -dd. + + * rtl.c (copy_rtx): Handle null pointers as code `e'. + + * final.c (dbr_sequence_length): New function. + (final_scan_insn): Most of `final' broken out. + Add support for SEQUENCE insns. + last_ignored_compare and new_block now top-level static. + + * c-parse.y (MAX_WORD_LENGTH): Long enough for __volatile. + +Sat Apr 29 13:03:20 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * c-parse.y (asm statements): Output line numbers. + + * loop.c (emit_iv_init_code, emit_iv_inc, eliminate_biv): Copy + additive term rtx's to prevent sharing between insns. + + * c-parse.y (check_newline): Increment input_file_stack_tick. + * toplev.c (report_error_function): Describe input stack only if + changed. + + * c-decl.c (finish_struct): Reject zero width for named field. + + * tm-sun3.h (CC1_SPEC): Prevent error on `-sun3'. + * tm-sparc.h (CC1_SPEC): Prevent error on `-sun4'. + + * Makefile (cleanconfig): cleanlinks renamed; also delete gnulib. + (gnulib): Delete stamp-gnulib2 since gnulib2 should be redone after. + +Fri Apr 28 00:38:32 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * config.gcc (genix): Correct xm file name. + + * tm-genix.h: Undefine ASM_SPEC inherited from tm-encore.h. + + * Makefile: Make float.h using hard-params. + (clean): Delete float.h. + + * hard-params.c: New program. + + * varasm.c (assemble_variable): Use SELECT_VARIABLE_SECTION if defined. + (in_section): Use EXTRA_SECTIONS if defined. + + * toplev.c (compile_file): Call ASM_FILE_END if defined. + + * gcc.c (SWITCH_TAKES_ARG, WORD_SWITCH_TAKES_ARG): Let config override. + + * loop.c (emit_iv_init_code): Force A to a reg if it isn't. + +Thu Apr 27 12:51:14 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * tm-mips.h (ASM_START_FILES): Don't call print_options. + Don't call the funny abort-functions. + * out-mips.c: Delete funny debugging functions and aborts. + (print_options): #if 0. + (compare_restore): Test for COMPARE, not MINUS. + (mips_section_get, mips_output_external, mips_asm_final): New fns. + + * input.h: New file with *input_filename, lineno and input_file_stack. + Included in toplev.c and c-parse.y. + * c-decl.c (finish_function): LINENO is now arg. + * c-parse.y: Calls changed. + + * c-parse.y (check_newline): Handle `1' or `2' from cpp + by pushing or popping input_file_stack. + * toplev.c (compile_file): Push main input file on input_file_stack. + (report_error_function): If in include file, print the chain + of include-locations. + + * cccp.c (output_line_command): New arg says whether entering or + leaving a file. Output `1' or `2' on #-line if so. Callers changed. + + * gnulib2.c: Little-endian fixes from csmith@convex.com. + + * fixincludes: Wrong quoting in `echo' command. + + * tm-mips.h (REG_P): Duplicate defn deleted. + (PRINT_OPERAND): `\' was missing. + +Wed Apr 26 02:44:59 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * cccp.c (handle_directive): Preprocess even #pragma, but copy + to output file afterward. + (do_pragma): Use standard calling convention. + (install_builtins, special_symbol): Define __INCLUDE_LEVEL__. + + * cccp.c (do_include): Don't forget to close file. + + * final.c (output_asm_insn): Use PRINT_OPERAND_PUNCT_VALID_P + to validate punctuation after percent. + * tm-m68k.h, tm-alliant.h, tm-ns32k.h, tm-vax.h, tm-i386.h: + Define PRINT_OPERAND_PUNCT_VALID_P. + + * Version 1.35 released. + + * c-decl.c (grokdeclarator): Use INT_CST_LT only on int constants. + +Tue Apr 25 15:47:11 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * reload.c (find_reloads_address_1): Always return a value. + + * flow.c (mark_set_1): Look inside zero_extract, sign_extract. + + * expr.c (emit_library_call) [STACK_ARGS_ADJUST]: + Fix typo for `struct args_size'. + +Mon Apr 24 00:12:18 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * flow.c (mark_set_1): Look inside strict_low_part. + + * c-typeck.c (decl_constant_value): Don't use var's init if volatile. + + * print-tree.c (dump): Don't call walk on rtx's. + + * integrate.c (expand_inline_function): Convert expanded arg from + passed mode to nominal mode. + +Sun Apr 23 13:14:47 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * fixincludes: fix _IO macros if split across two lines. + Fix typo: EOF was indented. + + * gnulib2.c: New file with DImode library routines. + * Makefile (gnulib2): Put them into gnulib. + Must be explicitly requested. + +Fri Apr 21 13:45:45 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * cccp.c (main): Don't turn on trigraphs for -Wtrigraphs or -Wall; + use -trigraphs for that. + + * cccp.c (main): Use -trigraphs to enable trigraphs. + * gcc.c: Pass -trigraphs to cpp; don't pass -T. + + * Makefile: Variable srcdir relates location of sources + to current directory. Default is `.'. + + * integrate.c (expand_inline_function): When copying expanded arg, + use mode it's passed in, not arg's nominal mode. + + * dbxout.c (dbxout_block): Print generated name with assemble_name. + +Thu Apr 20 12:36:09 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * stdarg.h: check __sparc__ instead of sparc. + +Tue Apr 18 18:58:03 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * tm-next.h (STARTFILE_SPEC): Define it. + +Mon Apr 17 19:56:05 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * dbxout.c (dbxout_block): Use ASM_GENERATE_INTERNAL_LABEL to format + the labels LBB... and LBE... + +Sun Apr 16 23:57:47 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * mips.md: Change MINUS to COMPARE where appropriate. + +Sat Apr 15 16:11:49 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * c-decl.c (finish_struct, redeclaration_error_message): + Rename variables named OLD and NEW. + + * sparc.md (cse'd mult pattern): Handle memory operands. + Optimize small integer operands. + + * stmt.c (expand_decl): On sparc, ensure dynamic arrays of doubles + are properly aligned, despite unaligned STACK_POINTER_OFFSET. + +Fri Apr 14 10:59:56 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * expr.c (expand_call): Bugs treating struct value address as param: + do so only if it's supposed to be pushed; + decode value of FUNCTION_ARG properly. + + * tm-altos3068.h (CPP_SPEC): Some braces were dropped. + + * gcc.c (pexecute): Print message when exec fails. + (perror_exec): New fn. + (perror_with_name,pfatal_with_name): Change message syntax. + + * tm-hp9k320.h (ASM_IDENTIFY_GCC): Define as no-op. + +Wed Apr 12 00:20:31 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * cse.c (cse_insn): Can record constant value being stored in + a bit field, if we can tell that truncation won't change it. + + * m68k.md (bfset, bfclr, bfchg insns): Do CC_STATUS_INIT + since the cc's are set from the old contents. + + * gcc.c (compilers): Running `as', put -o option before input file. + + * gcc.c: Delete output file only if that file's compilation fails. + * gcc.c (record_temp_file): Changed args: always_delete, fail_delete. + (store_arg): Likewise. Callers changed. + (clear_failure_queue): Called after each compilation. + +Tue Apr 11 01:18:53 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * combine.c (subst): (SET (ZERO_EXTRACT) (OR (ZERO_EXTRACT) const)) + optimization was sometimes invalid. + + * tm-m68k.h (NOTICE_UPDATE_CC): A doubleword move that requires 2 insns + does not set the cc's usefully. + + * Makefile (cleanlinks): Just do `clean', not `realclean'. + (realclean): Delete config links also. + + * expr.c (expand_call): Handle case where return value is in memory + but TARGET is a register. + + * c-typeck.c (build_binary_op_nodefault): New arg ERROR_CODE + is passed to binary_op_error instead of CODE. + All callers changed. + (binary_op_error): CODE = NOP_EXPR is new special case. + (truthvalue_conversion): Call build_binary_op_nodefault directly + and specify NOP_EXPR for the error code. + + * c-decl.c (xref_tag): If pedantic, warn on fwd ref to enum. + +Mon Apr 10 19:44:48 1989 Chris Smith (csmith at mozart) + + * tm-convex.h (PCC_BITFIELD_TYPE_MATTERS): It doesn't, + but set it anyway. It makes for better code on this + word machine. + + * convex.md (one_compl*): add not:QI and not:HI, which + do get used after all. + + * tm-convex.h (A_REG_P, S_REG_P): define new macros + convex.md: use them + + * convex.md (addsi3): tidy up constraints. + + * tm-convex.h (REG_OK_FOR_INDEX_P): stack pointer is not ok. + + * convex.md: add a pattern to push REG+CONST so we can + prefer an A reg. + + * tm-convex.h (tstqi): should sign extend, not zero extend. + + * expr.c (convert_move): Extending narrow to DI via SI, + operand of extendsidi2 was wrong. + + * emit-rtl.c (gen_lowpart): Handle CONST_DOUBLE. + +Mon Apr 10 05:19:39 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * recog.c (nonmemory_operand): Test constant operands + as general_operand does. + + * tm-m68k.h (PRINT_OPERAND): Limit effect of code `d' + to constant addresses. + + * loop.c (can_eliminate_biv_p, eliminate_biv): Don't rely on givs with + nonconstant coefficients, since the coeffs could be zero. + + * loop.c (can_eliminate_biv_p): Check each giv for ! ignore + before assuming it can be used. + (check_eliminate_biv): New fn, a piece of strength_reduce broken out. + + * cccp.c (error_from_errno): New fn, like error and perror_with_name. + (do_include): Call that if open fails. + (finclude): Print I/O error msg before closing desc. + + * c-decl.c (shadow_tag): If more than one tag or structure, + or anything other than a tag, warning. + + * c-parse.y (components): Just warn if memb decl has no member, + and only if pedantic. + + * loop.c (strength_reduce): Print uids, not luids, for dump. + (record_giv): giv_count field counts only DEST_REG givs. + (check_dbra_loop): src_two_before_end was set wrong. + + * loop.c (record_giv): New arg LOOP_END; all callers changed. + Don't mark giv replaceable if used past LOOP_END. + (find_mem_givs): New arg LOOP_END; all callers changed. + + * out-i386.c (FP_CALL): Make this a `return' stmt. + +Fri Apr 7 11:56:58 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * expr.c (expand_expr, case ..._DECL): Preserve mode thru + calling change_address. + + * expr.c (emit_library_call): Typo: ARGNUM => COUNT. + + * expr.c (preexpand_calls, expand_call): Take note of RETURN_IN_MEMORY. + * stmt.c (assign_parms): Likewise. + * integrate.c (function_cannot_inline_p): Likewise. + + * STACK_ARGS_ADJUST: Arg is now a `struct arg_data' and it should + be updated in place. + * tm-mips.h: Define it. + * expr.c (expand_call): Adapt to this. Assume padding comes after args + so turn off the feature of changing the args' offsets. + (emit_library_call): Adapt to this. + + * tm-mips.h (PRINT_OPERAND): Use CONST_DOUBLE_{LOW,HIGH}. + Truncate SFmode constants to single precision. + + * c-typeck.c (mark_addressable): Fix test for local vs global reg var. + + * config.gcc: Change `:-' to `-' in var refs. + Shell on convex doesn't handle `:-'. + +Thu Apr 6 00:09:01 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * integrate.c (expand_inline_function): Compare actual's mode + against formal's DECL_ARG_TYPE's mode, not TREE_TYPE's mode. + + * c-decl.c (implicitly_declare): Make the decl permanent if + in global binding level. (Can happen for certain invalid input.) + + * c-typeck.c (build_modify_expr): Block path that made a MODIFY_EXPR + containing an ERROR_MARK. + + * config/tm.h: New file. + + * loop.c (only_reg_use_p): Fix bugs in recursion, add some fast + special cases. Comment on return value was backwards. + (strength_reduce): Negate the value of only_reg_use_p. + + * genoutput.c (output_prologue): Output `#include hard-reg-set.h'. + * Makefile: insn-output.o depends on that. + + * toplev.c (main): Typo recognizing -Wswitch. + + * config.gcc (mips): New alternative. + * tm-mips.h, out-mips.c, mips.md, va-mips.h: New files. + * varargs.h: Include va-mips.h if on mips. + +Wed Apr 5 16:58:04 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * c-decl.c (duplicate_decls): Rename OLD, NEW to OLDDECL, NEWDECL. + + * stmt.c (expand_function_start): Ref subr instead of + current_function_decl; should make no difference. + + * stmt.c (assign_parms): Do extra padding for some parms, + controlled by MAX_PARM_BOUNDARY. + * expr.c (expand_call): Same thing for caller side. + Note this is implemented only for machines that lack push insns. + Also, in both cases, it doesn't handle variable-size args. + +Tue Apr 4 12:22:06 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * gcc.c (find_file): Try STANDARD_EXEC_PREFIX for startfiles too. + + * varasm.c (make_decl_rtl): Delete never-executed clause. + + * spur.md (movqi, loadhi, extend*, zero_extendhisi): + Make subregs with C code, not RTL patterns, so we can + avoid generating subreg of subreg. + + * optabs.c (emit_cmp_insn): Not all clauses always succeed, + so stop using `else' structure. + + * stmt.c (expand_return): Avoid moving void to void, in cleanups case. + +Mon Apr 3 18:04:33 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * m68k.md (cmphi): Don't allow a-reg vs a-reg, since that sign-extends. + If there is one a-reg, make sure it is not last. + +Sun Apr 2 13:02:26 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * stor-layout.c (agg_mode): Use highest mode that has desired size. + Allow all integer modes, but reject sizes > MAX_FIXED_MODE_SIZE. + (That defaults to the size of DImode.) + + * machmode.def: Add PSI, PDI and XF, CXF modes. + +Sat Apr 1 00:50:11 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * ns32k.md (ashd, lshd): Delete patterns that logand the count with 31. + The shift count is not truncated on this machine. + + * combine.c (subst): Simplify nested or's, nested xor's. + (try_distrib): XOR doesn't distribute through anything. + + * rtl.c (rtx_equal_p): Don't die on null pointers. + + * loop.c (eliminate_biv): Use COMPARE, not MINUS, in generated compare. + + * loop.c (invariant_p): Mem refs in constant pool are invariant. + + * c-decl.c (redeclaration_error_message): If -traditional, allow + redeclarations of typedef provided they agree. + + * c-decl.c (start_decl): Do expand_decl on the decl that pushdecl + returns. If there was a prev. decl with a different type, + we have changed its type and cleared its old rtl, so it need new rtl. + +Sat Apr 1 00:50:11 1989 Matthew Self (rms at sugar-bombs.ai.mit.edu) + + * expr.c (convert_move): Modified to use mode classes + instead of refering to specific machine modes. + + * expr.c (do_jump): Converted to use CONST0_RTX macro. + do_jmp no longer refers to any machine modes directly except + for VOIDmode! + + * expr.c (compare, compare1): Modified to use CONST0_RTX + macro. No longer refers to any machine modes directly + except VOIDmode and BLKmode! + + * machmode.def: Documented assumptions made about the order + of machine modes during mode widening. + + * optabs.c (expand_binop, expand_twoval_binop, expand_unop, + emit_cmp_insn): Added mode widening which is independent of + specific machine modes. It assumes that we may widen to any + higher numbered mode of the same mode class. + NOTE: the checks for VOIDmode ops which were present in + QI and HI to SI widening are now present in all widening. + I assume this is correct. Also, widening is now possible + from QI to HI. This may or may not be a good thing.... + + * rtl.h (CONST0_RTX): Added definition of new macro + CONST0_RTX (mode). + + * rtl.h (GET_NOTE_INSN_NAME, GET_REG_NOTE_NAME): New macros. + * rtl.c (note_insn_name, reg_note_name): New tables. + * rtl.def (NOTE): Change last field from `i' to `n'. + * rtl.c (print_rtx): Print mode of INSN_LIST or EXPR_LIST as reg-note. + Print operand code `n' as name of kind of note. + (read_rtx): treat `n' like `i'. + + * loop.c (struct induction): Add `mode' field. + (strength_reduce, record_giv): Set the `mode' field in V. + (can_eliminate_biv_p, eliminate_biv): Use that field. + + * loop.c (struct iv_class): `init_insn' records what inits the biv. + Replaces `init_val_set' flag. + (strength_reduce): Update and test `init_insn' instead. + Use of a biv between its init and the start of the loop + does not preclude its elimination from the loop. + Setting a giv is ok for eliminating a biv, even if giv is "ignore", + since that just means giv will be combined with another. + Handle some DEST_ADDR givs for that purpose. + Test for giv-setting before check can_eliminate_biv_p. + New error check for replaceable giv whose value needed after loop. + (only_reg_use_p): New fn. + + * expr.c (expand_expr): PLUS, MINUS with EXPAND_SUM: + Associate even harder. + + * loop.c (strength_reduce): Treat all constant biv init vals like ints. + + * loop.c (strength_reduce): Clear all_reduced when v->ignore is set; + the code to check this later didn't always do the job. + + * loop.c (verify_loop): Set loop_continue. + (scan_loop): mention its value. + * rtl.h: Define NOTE_INSN_LOOP_CONT. + * stmt.c (expand_loop_continue_here): Output one. + +Fri Mar 31 10:08:29 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * c-typeck.c (pointer_int_sum, pointer_diff): Treat const void * like + void *. + + * rtl.c (rtx_addr_varies_p): Don't die on null exp. + * cse.c (refers_to_mem_p, refers_to_p): Likewise. + + * gcc.c (validate_switches, validate_all_switches): New fns. + Mark a switch as valid if any compiler spec or the linker spec + matches it, even for languages not being used. + +Thu Mar 30 00:22:14 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * loop.c (loop_optimize, move_movables): when moving a `clr' insn used + in zero-extension, sometimes change it to an `and' so that the + significant low bits are not clobbered. + + * cccp.c: Implement __BASE_FILE__ and #once. + (savestring): New fn. + (struct file_name_list): new name for struct directory_stack. + (enum node_type): Add T_ONCE, T_BASE_FILE. + (directive_table): Add #pragma once. + (initialize_builtins): Add __BASE_FILE__. + (special_symbol): Handle __BASE_FILE__, together with __FILE__. + (do_include): Ignore the file if it's on the #pragma once list. + (do_once): New fn; add current file to #pragma once list. + + * cccp.c (do_include): Don't add non-ex files to list of deps. + + * config.gcc: Use {...:-...}, not {...=...}. + + * c-parse.y: Add precedence for IF/ELSE, and for parens; + avoids some conflicts. + + * tm-newsgas.h: Include tm-news.h and define USE_GAS. + + * tm-news.h: New name for tm-news800.h. + If not USE_GAS, define SONY_ASM. + Don't define USE_GAS by default. + (CPP_PREDEFINES): Various alternatives depending on processor type. + (ASM_FORMAT_PRIVATE_NAME): Override this. + (ASM_IDENTIFY_GCC): Override; output nothing. + (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Round fsize up to % 4. + Max for halfword link insn is 32k, not 64k. + (FUNCTION_EPILOGUE): Don't output move.l if no regs to restore. + (PRINT_OPERAND_ADDRESS): Change handling of tableref pc-rel addresses. + * m68k.md (movhi): Add SONY_ASM conditional. + + * cse.c (cse_insn): If replacing a dest address, preserve MEM_IN_STRUCT + + * gcc.c (error, fatal): alternate varargs defns if HAVE_VPRINTF. + +Wed Mar 29 09:54:13 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * gcc.c (process_command): Check WORD_SWITCH_TAKES_ARG, so that + -Tdata can be handled right. + + * stmt.c (check_for_full_enumeration_handling): new fn, for warn_switch + (expand_end_case): Call it, if orig index was enum. + * toplev.c (main): Handle -Wswitch. + * c-parse.y (SWITCH stmt): Pass orig switch expr to expand_end_case. + + * tm-*.h, out-*.c: Uniformly use reg_names, not reg_name, and don't + define any duplicates. + * final.c: Delete reg_name. + + * c-parse.y (is_reserved_word): Add keywords __asm and __inline; + also __const and __volatile. + (yylex): Keywords that start with `__' are recognized regardless of + -traditional or -ansi. + + * c-parse.y (check_newline): Always recognize #ident. + Macro IDENT_DIRECTIVE is no more. + If ASM_OUTPUT_IDENT is undefined, don't output anything for #ident. + * tm-3b1.h: Don't define IDENT_DIRECTIVE or ASM_OUTPUT_IDENT. + * tm-encore.h, tm-i386gas.h, tm-i368v.h, tm-sun386i.h, tm-vaxv.h: + Don't define IDENT_DIRECTIVE; define ASM_OUTPUT_IDENT to output in + default way. + + * expr.h (RETURN_IN_MEMORY): New macro, default defn here. + * expr.c (expand_call): Use it to control where to return value. + * stmt.c (expand_function_start): Likewise. + + * out-sparc.c (find_addr_reg): Abort if none found. + Eliminate confusion; do only one change between tests for PLUSness. + (output_move_double): Arg to find_addr_reg is address, not mem ref. + * out-m68k.c, out-spur.c, out-i386.c, out-alliant.c: Likewise. + + * jump.c (find_cross_jump): Don't let either E1 or E2 be included + in the range of matching insns preceding the other (E2 or E1). + + * c-parse.y (check_newline): No error for `#pragma\n'. + + * Makefile (gcc.o): Control STANDARD_STARTFILE_PREFIX here. + + * stmt.c (walk_fixup_memory_subreg): handle null. + + * tm-sparc.h (FUNCTION_BLOCK_PROFILER): Change LPBnn to LPYnn, + to avoid conflict with final.c. + +Tue Mar 28 15:23:17 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * cccp.c (do_include): If fail, print system error message. + (perror_with_name): Use more standard error format. Inc. `errors'. + + * dbxout.c (dbxout_function): Output any temporary types + that were made by dbxout itself. + + * stmt.c: always use an epilogue if pcc-struct-return. + (expand_function_start): Compute return_label after testing that. + (expand_function_end): Output a return insn after pcc-struct-return + processing, if there is a return insn. + (expand_null_return): Don't output a return insn, in that case. + Simplify the conditions--depends entirely on HAVE_return. + + * tm-m68k.h (FUNCTION_BLOCK_PROFILER): Use jsr, not call. + + * reload.c (find_reloads): Certain mem addresses will be offsetable + after reloading; in particular, those where reg_equiv_address applies. + + * loop.c (check_dbra_loop): Change MINUS to COMPARE. + + * c-typeck.c (convert_for_assignment): Return THE standard error_mark. + +Thu Mar 23 09:39:02 1989 Richard M. Stallman (rms at watson) + + * c-parse.y (components): Error if empty. + + * dbxout.c (dbxout_symbol): Output const variables as N_STSYM. + + * varasm.c (force_const_mem): Use ASM_OUTPUT_DOUBLE_INT if defnd. + + * c-decl.c (grokdeclarator): Warn about `long long long'. + + * reload1.c (reload): When changing REG to MEM, clear REG_USERVAR_P. + * final.c (alter_subreg): Preserve volatile bit of MEM. + + * m68k.md (cmpsi, cmphi): Permit cmpm. + + * gcc.c (find_file): Use standard_startfile_prefix_2. + Now search /usr/local/lib/, /lib/ and /usr/lib/. + + * tm-m68k.h (PRINT_OPERAND): Support code `d'. + * m68k.md (cmpsi, cmphi, cmpqi): Use it for all mem addresses. + + * final.c (output_asm_insn): Don't allow %LETTER without an + operand number. + * tm-m68k.h, m68k.md, tm-hp9k320.h, tm-news*.h: Use %@ instead of %s. + * tm-alliant.h, alliant.md: Likewise. + * i386.md, out-i386.h: Put `0' after each %L, %W, %B, %S, %Q, %R. + + * stmt.c (expand_end_stmt_expr): Pop pending stack args. + + * varasm.c (assemble_variable): For 0-size common variable, + allocate at least 1 byte. + + * tm-encore.h (ASM_OUTPUT_DOUBLE, PRINT_OPERAND): Use 0f, not 0l, + for doubles. + +Mon Mar 13 10:24:56 1989 Richard M. Stallman (rms at ccvi) + + * out-i386.h (function_prologue, function_epilogue): + Use call_used_regs, not a copy, so -f options work. + Save regs in the opposite order. + Save regs even starting from 0 if they happen to be call-saved. + + * Bug fixes from Rob McMahon. + + * loop.c (strength_reduce): When inserting insn to set + nonreplaceable giv, put it after all the consecutive insns + that compute it. + + * reload.c (find_reloads): When forcing const to mem, + use the insn's operand mode, not the const's mode. + + * reload1.c (choose_reload_targets): Use wider of inmode and outmode + when determining have_groups. + + * reload1.c (choose_reload_targets): typo checked wrong insn with + constraint_accepts_reg_p. + + * reload1.c (choose_reload_targets): Enable #if-0'd code for + forgetting old reloads in case of output reload from a non-spill-reg. + +Sun Mar 12 00:04:49 1989 Richard M. Stallman (rms at ccvi) + + * c-parse.y (yyerror): Add forward-decl here. + * c-tree.h: Delete decl here. + + * New macro USE_C_ALLOCA. + * cse.c (cse_main): Do alloca (0) to clear out C alloca. + * flow.c (life_analysis): + * local-alloc.c (local_alloc): + * reload1.c (reload_as_needed): likewise. + + * loop.c (emit_iv_init_code, eliminate_biv): + Always put constant in a PLUS last. + + * gcc.c (make_switch): Unused function deleted. + + *gcc.c (switches): Each switch has a `used' field. + (process_command): Init it to 0 when making `switches'. + (do_spec_1, handle_braces, give_switch): Set to 1 when switch is used. + (main): If it remains 0 at the end, print error message. + + * expr.c (convert_move, convert_to_mode): Don't truncate a MEM in + place if it is volatile. + + * loop.c (strength_reduce): When reducing a giv, if the biv is + incremented between the giv's creation and its use, increment + the reduced giv var *after* its use. + + * c-decl.c (duplicate_decls): Warn about proto vs nonproto + only if no other errors apply. + + * jump.c (invert_exp): Don't crash if arg is null. + + * alliant.md (float*i*f2): Don't allow immediate ops. + (sne): Fix typo, fsne => fsneq. + + * expr.c (store_one_arg, expand_call): When size doesn't matter, + pass const0_rtx, not (rtx) 0. + + * expr.c (do_jump): Args to invert_exp were missing. + + * gcc.c (store_arg): Now 2 separate args for delete-on-success + and delete-on-failure. All calls changed. + (do_spec_1): DELETE_THIS_FILE is meaningful for output files. + + * config/xm-alliant.h (LINK_SPEC): Pass -X to linker. + +Sat Mar 11 10:30:41 1989 Richard M. Stallman (rms at ccvi) + + * tm-*.h, xm-*.h, *.md: Moved to subdir `config'. + * output-*.c: Moved to `config/out-*.c'. + * Makefile (.c.o): Define rule to use -Iconfig when compiling. + (various): Delete the commands from some compilation rules. + Put -Iconfig in other compilation commands. + Also some reordering of variable defs and comments for cleanliness. + (realclean): Change a shell comment to a Make comment. + + * fold-const.c (fold): Simplify and extend TRUTH_... operators + knowing that args must be ints and values will be 0 or 1. + + * gcc.hlp: New file (for VMS). + + * reload1.c (reload): Don't let two 2-groups overlap. + + * reload.c (push_reloads): When a plain reg matches a reload + for an increment, don't change the reload_in to a plain reg. + Leave the increment there. + + * integrate.c (expand_inline_function): Don't try to inline + unless the parm machine modes really match what's expected. + + * stmt.c (emit_case_nodes): default_label is an rtx, not tree. + + * tm-next.h (DOLLARS_IN_IDENTIFIERS): Define it as 1. + + * output-sparc.c (output_move_double): Don't trust random structs + to be double-word aligned. + + * gcc.c: Pass -Wcomments to cpp. + + * rtl.def (ASM_OPERANDS): New operands, source file and line. + * rtl.h (ASM_OPERANDS_*): New macros for components of ASM_OPERANDS. + * stmt.c (expand_asm_operands): Use new fields, not REG_ASM_* notes. + * toplev.c (error_for_asm): likewise. + * rtl.h (enum reg_note): Delete REG_ASM_FILE, REG_ASM_LINE. + + * combine.c (try_combine): Check explicitly for volatility in I2, I1. + +Fri Mar 10 19:30:10 1989 Richard M. Stallman (rms at ccvi) + + * c-parse.y (GOTO stmt): Set TREE_USED for the label. + * c-decl.c (poplevel): Warn about unused label. + + * c-decl.c (warn_pointer_arith, warn_strict_prototypes): New vars. + (lang_decode_options): Options to set them. + * c-typeck.c (pointer_int_sum, c_sizeof): Maybe warn if bad target. + * c-decl.c (grokparms): Maybe warn if nonprototype fn decl. + + * flags.h, toplev.c (warn_shadow): New flag. + * toplev.c (main): Decode it. + * c-decl.c (pushdecl): Maybe warn about any shadowing. + Existing parm-shadowing warning now disabled if shadowing decl + is also a parm. + + * flags.h, toplev.c (warn_id_clash, id_clash_len): New flags. + * toplev.c (main): Decode -Wid-clash-LEN. + * tree.c (get_identifier): Implement warning if two idents match. + + * toplev.c (compile_file): Warn about statics defined and unused. + + * rtl.h (CONST0_RTX): New macro. + + * recog.c (offsetable_address_p): New 1st arg says whether to demand + a strictly valid address. + (offsetable_memref_p): Pass nonzero. + * stmt.c (optimize_bit_field): Pass zero. + + * cccp.c (main): Allow -Wcomment like -Wcomments. + * c-decl.c (lang_decode_options): Likewise. + +Sun Mar 5 15:02:59 1989 Randall Smith (randy at apple-gunkies.ai.mit.edu) + + * m68k.md [tstdf, cmp[sd]f, truncdfsf2, floatsi[sd]f2, add[sd]f3, + sub[sd]f3, mul[sd]f3, div[sd]f3, neg[sd]f2, abs[sd]f2]: Made sure + that the test function's in the match_operands of the define_expand + and define_insn's matched, and made that test function + "register_operand" when both define_insn's really needed registers + in that spot. + +Sat Mar 4 00:25:37 1989 Richard M. Stallman (rms at c2v) + + * expr.c (emit_push_insn): Don't ever bypass the big-endian + padding at the end. + + * cccp.c (deps_output): Break line if would otherwise exceed 75 chars. + Make a name for that value 75. + + * combine.c (subst): Handle general case of (subreg (sign_extend X)). + + * tm-sun386i.h (CPP_PREDEFINES): Define `sun'. + + * fixincludes: change `find' calls to find dirs thru symlinks. + + * flow.c (mark_set_1): (set (subreg (reg N))...) + does make reg N significant for this basic block. + +Fri Mar 3 13:55:25 1989 Richard M. Stallman (rms at c2v) + + * c-decl.c (parmlist_tags_warning): Print an explanation + for the first such warning. + + * i386.md (extendsfdf): Let op 1 match op0 if that is an fp reg. + + * expr.c (expand_call): Fix stupid errors copying pcc struct value. + + * varasm.c (output_constructor): Discard NOP_EXPRs from build_c_cast. + +Thu Feb 23 05:55:57 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * Version 1.34 released. + + * c-typeck.c (build_c_cast): If EXPR is an error mark, return that. + + * fold-const.c (div_and_round_double): Abort if divisor is 0. + (combine): Likewise, for real constants. + (real_zerop): New subroutine. + (fold): Don't try to fold division if divisor is 0. + Don't try to fold reals if can't do arithmetic on them. + Don't try to compare reals for TRUTH_..._EXPR if can't do arith. + Use real_zerop to test reals for zeroness. + For TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR, can simplify based on + first operand alone. + + * c-typeck.c (store_init_value): Fix error msg text. + + * tm-sparc.h (FUNCTION_PROFILER): Use `mcount'. + * tm-sun4os3.h (FUNCTION_PROFILER): Override it; use `.mcount'. + +Wed Feb 22 04:33:22 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * tm-hp9k320.h (CPP_SPEC, CPP_PREDEFINES): Make handling of + -Dmc68000 depend on TARGET_DEFAULT. + + * tm-sparc.h (FUNCTION_PROFILER): Missing newline in fprintf. + + * integrate.c (expand_inline_function): Don't map struct-value-address + in memory if fn does not use it. + + * c-parse.y (check_newline): At skipline, detect eof. + + * stmt.c (uninitialized_vars_warning): Change text of warning. + +Tue Feb 21 03:58:50 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * output-sparc.c (output_mul_insn): Handle case of both args + in reg 8, or both in reg 9. + + * tm-sparc.h (ASM_SPEC): Define, to handle -pipe. + + * tm-sparc.h (FUNCTION_PROFILER): Add omitted fprintf args. + (BLOCK_PROFILER): Likewise. Use tempvar. + + * m68k.md (QImode btst): Allow nonoffsetable mem refs. + +Mon Feb 20 00:32:42 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * flow.c (mark_used_regs): Don't record about global reg vars. + + * config.gcc (convex-*): tm file names are tm-convex1.h, tm-convex2.h. + + * tm-vax.h, tm-ns32k.h, tm-alliant.h: Define PCC_STATIC_STRUCT_RETURN. + + * gcc.c (compilers): Pass `-a' to cc1. + * tm-sun3.h, tm-sparc.h (LIB_SPEC): Define, to handle `-a'. + + * expr.c (emit_push_insn): Copy stack addresses to be passed to bcopy; + old method of preadjustment is broken by changes in emit_library_call. + + * c-decl.c (finish_decl): New temp `temporary'; don't get confused + about whether allocation was temporary. + +Sun Feb 19 17:03:35 1989 Chris Smith (csmith at mozart) + + * tm-convex.h: define PCC_STATIC_STRUCT_RETURN + + * convex.md: + remove pshea patterns, movsi does it better. + add ashift:DI abs:DF abs:SF + (tstdi): use a clobbered register instead of a bogus DImode zero. + (trunchiqi2): delete noninstruction cvth.b + (udivsi3, udivhi3, udivqi3): deleted, expand_divmod does it now. + (call, call_value): delete stupid call/ret -> jump optimization. + (call, call_value): flush call_ap_check, use reg_mentioned_p instead. + + * convex.md: (movxx): swap constraint alternatives so that the + leftmost alternative is (set =g r). This makes (set mem const) + get combinable input reloads of const instead of uncombinable + output reloads to mem. They still do not combine, but wtf, + I'll inch up on it. + + * output-convex.c: (const_double_{high,low}_int): new routines + to pick apart const_doubles for assembler. + +Sun Feb 19 01:40:17 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * sparc.md (shift memory right 24 bits): Another `a1' typo. + + * config.gcc (convex-*): Delete troublesome whitespace. + + * c-decl.c (grokparms): Delete redundant `parm != 0' tests. + + * stmt.c (fixup_memory_subreg): Slight simplification. + + * tm-sparc.h (FUNCTION_PROFILER): Fill delay slot. + (FUNCTION_BLOCK_PROFILER): Use sethi. + (BLOCK_PROFILER): Use %g2, not %g0. Use sethi. + +Sat Feb 18 02:11:25 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * expr.c (expand_expr): Ignore const array's initial value + if it's an error_mark. + * c-decl.c (finish_decl): Set DECL_INITIAL to an error_mark + if the decl is a permanent node. + + * cccp.c (rescan): If traditional, if macro ends inside string, + keep scanning for the end of the string. + (handle_directive): A line of just `#' becomes blank. + (collect_expansion): \ in strings traditionally doesn't hide macro arg. + + * m68k.md, alliant.md (addsi3): New alternative a=r+a, in addition + to old a=a+r, needed since reload-insns are not commuted. + +Fri Feb 17 03:15:23 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * tm-m68k.h (PCC_STATIC_STRUCT_RETURN): Define it. + * toplev.c, flags.h: New var flag_pcc_struct_return. + * stmt.c (expand_function_start): Obey new flag and new variable. + * expr.c (expand_call): Obey new flag and new variable. + * varasm.c (assemble_static_space): New function. + + * stmt.c (expand_return): If we need cleanups, compute retval first + into pseudo reg, then do the cleanups, then copy it to return reg. + +Thu Feb 16 02:59:52 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * regclass.c (init_reg_sets_1): Win if STATIC_CHAIN_REGNUM undefined. - * cccp.c (output_line_command): line_cmd_buf should be chars, not ints. + * expr.c (expand_call): Handle conflict between two precomputed + args that are both function calls returning structures. -Thu Feb 25 13:33:29 1988 Richard Stallman (rms at wheaties.ai.mit.edu) + * loop.c (move_movables): Bkwds test of m->partial, for a matching reg. - * genemit.c (gen_expand): Don't lose if pattern is empty-vector. + * expr.c (emit_library_call, expand_call): Handle STACK_ARGS_ADJUST. - * genconfig.c (gen_insn): Don't lose if pattern is empty-vector. +Wed Feb 15 01:59:15 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * expr.c (expand_expr): For COMPONENT_REF, don't convert to tmode - unless the mode we get is unacceptable. + * toplev.c (flag_caller_saves): New var, for -fcaller-saves. + DEFAULT_CALLER_SAVES controls initial value. + * global-alloc.c (find_reg): Do caller saves only if flag set. + * local-alloc.c (find_free_reg): Do caller saves only if flag set. + * tm-alliant.h, tm-convex.h: Define DEFAULT_CALLER_SAVES. - * loop.c (scan_loop, move_movables): New field `partial' is 1 for - zero-extending clr insn; don't make the reg invariant when it's moved. +Wed Feb 15 01:59:15 1989 Chris Smith (rms at sugar-bombs.ai.mit.edu) - * optabs.c (expand_unop, expand_binop, emit_cmp_insn): - mode-argument to predicates was missing. + * caller-save.c: New file. + * regs.h (CALLER_SAVE_PROFITABLE): New macro. + (reg_n_calls_crossed): new int-vector replaces reg_crosses_calls. + * flow.c (allocate_for_life_analysis, propagate_block, dump_flow_info): + Use reg_n_calls_crossed. + * stupid.c (stupid_mark_refs, stupid_life_analysis): Likewise. + * global-alloc.c (find_reg): Sometimes allocate call-clobbered regs + for call-crossing pseudos. + New arg ACCEPT_CALL_CLOBBERED; callers changed. + * local-alloc.c (find_free_reg): Similar changes. + (qty_n_calls_crossed): New int-vector replaces qty_crosses_calls. + (alloc_qty, local_alloc, combine_regs, find_free_reg): change that var. + * regclass.c (call_fixed_regs, call_fixed_reg_set): new vars. + (init_reg_sets_1): Initialize them. + * reload1.c (reload): Call caller-saves processing if needed. - * optabs.c (expand_binop): If gen-function returns 0, this means - the insn wasn't available. +Wed Feb 15 01:59:15 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * reload.c (find_reloads): Don't make optional reloads for operands - that match other operands. + * expr.c (expand_expr): INTEGER_CST for DImode: don't handle + endianness here. So CONST_DOUBLE_LOW is always the low word. + * varasm.c (force_const_mem): Handle it here. - * reload.c (combine_reloads): Reject optional output reload. + * expr.c (convert_move): widening followed by extendsidi2 had braino. - * reload.c (find_equiv_reg): Know that CALL_INSNs clobber memory. + * integrate.c: Don't include ctype.h; not needed and kills Sun cpp. - * typecheck.c (build_binary_op_nodefault): - If doing a short shift, leave the shift-count as a fullword. + * m68k.md (cmpsf, cmpdf and their recognizers): + Replace MINUS with COMPARE. + Also, use VOIDmode for COMPAREs, not SF or DF. -Tue Feb 23 14:43:46 1988 Richard Stallman (rms at wheaties.ai.mit.edu) + * optabs.c (sign_expand_binop): Handle ops such as division where + an unsigned char could be widened and handled with signed int insns. + * expmed.c (expand_divmod): Use that. - * combine.c (subst): Count, in n_occurrences, # times FROM is seen. - (try_combine): Refuse to combine x=*y++ into z = x*x. + * c-typeck.c (digest_init): Allow for type variants in validating + initialization from a string constant. - * loop.c (invariant_p): Frame pointer and arg pointer are invariant. - (move_movables): Don't forget to set ->done! - When moving the matching movables, don't forget to set n_times_set. + * c-typeck.c (decl_constant_value): Disable opt. if pedantic or + outside functions, so that validity of program is never affected. - * expmed.c (expand_shift): Reorder strategies for logical shift; - if widening, try all ashift strategies before extzv. + * fold-const.c (fold): Signedness-test for ABS_EXPR was backwards. - * typecheck.c (build_binary_op_nodefault): - Always return error_mark if either operand is one. +Tue Feb 14 01:30:47 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * recog.c (nonmemory_operand): New predicate. + * cccp.c (main): Don't omit normal output, if we want deps on + a separate stream. - * optabs.c (expand_unop, expand_binop, emit_cmp_insn): - Don't treat `register_operand' as special. Apply the predicate - to the rtx; if the predicate fails, use a register instead. + * c-decl.c (grokdeclarator): Don't record any arg types for functions + if -traditional. -Mon Feb 22 22:37:32 1988 Richard Stallman (rms at wheaties.ai.mit.edu) + * print-tree.c (prtypeinfo): Mention permanent attribute. - * expr.c (expand_calls): Preexpand all calls in arguments - that are passed in regs before copying any of them into the regs. + * tm-next.h: New file. - * expr.c (emit_push_insn): Three more args. - EXTRA for extra space to leave. - ARGS_ADDR and ARGS_SO_FAR for using move-insns on machines - that lack true push insns. + * c-typeck.c (decl_constant_value): The DECL_INITIAL may be ERROR_MARK. - * expr.c (emit_library_call, expand_call): - Use the new arguments of `emit_push_insn'. + * c-decl.c (duplicate_decls): For fns, new static decl overrides + old non-static one. - * expr.c (PUSH_ARGS_REVERSED): defined if handle args last-to-firs. + * emit-rtl.c (gen_lowpar, gen_highpart): Use change_address, so we + preserve volatility, etc. -Sun Feb 21 12:17:59 1988 Richard Stallman (rms at wheaties.ai.mit.edu) + * stmt.c (expand_expr_stmt): Use emit_filename, emit_lineno + as file and line for any warning. + * emit-rtl.c (emit_line_note): Set those vars. - * toplev.c (rest_of_compilation): Set TREE_ASM_WRITTEN - when a function is really output as assembler code. - Don't do inlining of a function that is already made inline; - instead, output it as assembler code, because this must be - the second call for that function. + * c-decl.c (store_parm_decls): If -Wimplicit, warn of arg with no decl. - * decl.c (finish_compilation): Delete it. - * toplev.c (compile_file): Output pending inline functions at the end - in the same way tentative-defined variables are output. + * recog.c (offsetable_address_p): Use strict_memory_address_p, + since called from reload.c. - * emit-rtl.c (restore_reg_data): New fn: given chain of insns, - restore emit-rtl's data on registers from the regs they use. +Mon Feb 13 03:11:50 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * integrate.c (output_inline_function): Use restore_reg_data. - (fill_regno_reg_rtx_as_needed): Now restore_reg_data_1 in emit-rtl.c. + * sparc.md (compare-to-reg patterns): Some still had MINUS. - * tree.c (build_decl): Function moved from decl.c. - No longer set attributes of function decls specially. + * toplev.c (main): Warn if `-a' on system that can't handle it. - * decl.c (implicitly_declare, builtin_function, grokdeclarator): - Don't expect build_decl to set attributes of FUNCTION_DECL. + * stmt.c (expand_asm_operands): Delete unused local `val'. + (pushcase_range): Likewise for `value'. + (fixup_var_refs): Likewise for `insn'. + * emit-rtl.c (start_sequence): Likewise for `save'. + * loop.c (scan_loop): Likewise for `before_start'. + * expr.c (expand_expr): Delete label `binop1'. - * tree.c (preserve_data): New fn, make all data now on - maybepermanent_obstack last permanently. + * reload1.c (constraint_accepts_reg_p): Handle SUBREGs of REGs. - * cse.c (cse_insn): Remove a STRICT_LOW_PART from the dest rtx - before putting it in the hash table. +Sun Feb 12 05:37:46 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * symout.c (symout_block): Fix the args to `symout_block_symbols'. + * gnulib.c (__bb_init_func): New function -Sat Feb 20 00:07:52 1988 Richard Stallman (rms at wheaties.ai.mit.edu) + * tm-m68k.h (BLOCK_PROFILER, FUNCTION_BLOCK_PROFILER): Defined. - Start of changes for inline functions. - Changes received from Tiemann, then slightly rearranged for simplicity. +Sat Feb 11 00:05:55 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * integrate.c: New file (Tiemann's rtl2.c). - * integrate.c (function_cannot_integrate_p): - New fn, only checks whether current fn is safe and good to inline. - Returns an error message string if not. + * tm-sparc.h (FUNCTION_PROFILER): Make it really work. + (BLOCK_PROFILER, FUNCTION_BLOCK_PROFILER): New macros. - * expr.c (current_args_size): Var made static. - (store_expr): Fn no longer static. - (stack_pointer_rtx): Use this var for all refs to the stack pointer. - (struct_value_rtx, static_chain_rtx): Likewise + * final.c (final): Use BLOCK_PROFILER at start of each basic block. + (final_start_function): Use FUNCTION_BLOCK_PROFILER if -a. + (end_final): New fn to output the block-profiling tables. + * toplev.c (profile_block_flag): Set if -a. + (compile_file): Call end_final. - * expr.c (expand_call): Detect calls to integrable functions - and integrate them. - **If fn is not named "alloca" then assume it is not `alloca'. ** + * combine.c (try_combine): Avoid combining in most cases if I3 + has an inc or dec and I1 or I2 uses the same register. - * emit-rtl.c (max_label_num): New fn, returns number for next label. - (get_first_label_num): New fn, returns first label of current fn. - (init_emit): Save first label number of this fn. + * tree.c (size_in_bytes, int_size_in_bytes): Use type's main variant. - * emit-rtl.c (gen_inline_header_rtx): New fn, make an INLINE_HEADER. + * c-typeck.c (actualparameterlist): Error if parm type is incomplete. - * emit-rtl.c (emit_declaration): New fn to emit new kind of NOTE. + * expr.c (expand_call): Ignore args that have incomplete type. - * emit-rtl.c (init_emit_once): New fn. - Move inits of unique rtl objects here, from init_emit. +Fri Feb 10 02:26:02 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * decl.c (finish_compilation): New fn to compile separately - any nonglobal inline functions that need to be addressable. + * c-parse.y (case stmts): strip dummy NOP_EXPRs. - * decl.c (grokdeclarator): Handle `inline' kwd among the declspecs. - Set TREE_INLINE if it's safe. + * reload1.c (reload_as_needed): Clear reg_{has,is}_output_reload here, + (choose_reload_targets): not here. - * decl.c (finish_function): If fn was inlined, don't clear - the DECL_ARGUMENTS or DECL_RESULT or DECL_INITIAL. +Thu Feb 9 01:35:55 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * gen*.c: Provide rtl_obstack, not current_obstack. + * output-sparc.c (output_mul_by_constant): Forget cc status. - * rtl.c (rtl_obstack): Variable: ptr to obstack to use for making rtl. - * rtl.c (rtx_alloc, rtvec_alloc): Use that obstack. - * rtl.c (copy_rtx): Copy the `integrated' flag. - * rtl.c (print_rtx): Print that flag as `/i'. + * stmt.c (assign_parms): Don't put volatile parms in regs. - * rtl.def: New rtx code INLINE_HEADER. + * vax.md (jlbs/jlbc recognizers): Move them before jbc/jbs recognizers. - * rtl.h (struct rtx_def): Add `integrated' field. - * rtl.h: Define macros for fields in an inline_header rtx. + * cse.c (fold_rtx): Handle (EQ (COMPARE ...) (CONST_INT 0)). - * stmt.c (max_parm_reg_num, get_first_function_insn): - New fns, return info on parm regs and the insns that init them. + * c-typeck.c (default_conversion, digest_init): For static const + nonvolatile scalar variable, use its initial value if known. - * stmt.c (expand_decl): Simplify with new local `type'. + * expr.c (expand_expr: case COMPONENT_REF): If containing structure + comes out volatile, leave the component MEM volatile too. - * stmt.c (stack_pointer_rtx): Replace all refs to stack pointer - with this shared rtx. - * stmt.c (struct_value_rtx): Likewise. + * hard-reg-set.h: Fix multi-word case macros to swallow semicolon. - * stmt.c (expand_start_function): Call init_pending_stack_adjust - instead of clear_pending_stack_adjust. - If not using a return-label, set `return_label' to 0. + * c-typeck.c (default_conversion): In array=>ptr, volatility + of target type comes from TREE_THIS_VOLATILE, not TREE_VOLATILE. - * stmt.c (expand_null_return, expand_end_function): - Call clear_pending_stack_adjust unconditionally. + * reload1.c (forget_old_reload_1, choose_reload_targets): + New array reg_is_output_reload is converse of reg_has_output_reload. + forget_old_reload_1 needs both. - * expr.c (clear_pending_stack_adjust): Move the conditionals here. - For now, this fn is a no-op, since it's not safe in an inline fn - and the stack adjusts are deleted by jump.c in if optimizing. +Wed Feb 8 01:26:24 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * expr.c (init_pending_stack_adjust): New fn. + * reload1.c (forget_old_reloads_1): New fn, guts of forget_old_reloads. + Do process a spill reg if it isn't used for reloading in this insn. + (forget_old_reloads): Deleted, replaced with note_stores. + (reload_as_needed): Undo Feb 1 change. + Call forget_old_reloads_1 on pseudos autoincremented and not reloaded. -Fri Feb 19 14:30:13 1988 Richard Stallman (rms at wheaties.ai.mit.edu) + * c-typeck.c (convert_for_assignment): Handle variant types. - * toplev.c (main): Decode -finline-functions, -fkeep-inline-functions. + * c-decl.c (lang_decode_option): -Wall implies -Wunused. - * toplev.c (rest_of_compilation): - At start, save the rtl if function should be inline. - For inline function, if we don't yet know whether it should be - compiled on its own, don't do so. +Tue Feb 7 01:32:28 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * toplev.c (compile_file): Clear, and later print, `integration_time'. - Call `init_emit_rtl' when starting. - Call `finish_compilation' at the end. + * combine.c (try_combine): Don't try adding outputs to an asm_operands. - [Add an extra arg to the error and warning functions?] + * cse.c (CHEAPER): Don't ever let a hard reg get ahead of a pseudo. - * tree.c ({push,pop,clear}_momentary): - Change momentary_stack from a char ** to a struct momentary_level *. + * stmt.c (fixup_gotos): Don't crash on undef label if THISBLOCK is 0. - * tree.c (build_pointer_type): Put temporary type in `saveable_obstack' - * tree.c (build_type_variant): Likewise. - * tree.c (make_node): Likewise. Also put decls and LET_STMTs there. - * tree.c (type_hash_canon): Free a temporary type in `saveable_obstack' + * c-decl.c (parmlist_tags_warning): New fn. + * c-parse.y (parmlist, parmlist_or_identifiers): Call it, + to warn about any tags defined inside the parmlist. + * c-decl.c (grokparms): Don't warn about ptr to incomplete type. + The new warning is better. - * tree.c (perm_tree_cons): Like `tree_cons' but on perm. obstack. +Mon Feb 6 01:11:36 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * tree.c (init_tree, {{end_,}temporary,permanent}_allocation): - Handle `maybepermanent_obstack' and `saveable_obstack' and - `rtl_obstack'. + * expr.c (store_constructor): Incorrect ALIGN arg in store_field calls. - * tree.h (TREE_INLINE): New attribute macro. - * tree.h (DECL_SAVED_INSNS, DECL_FRAME_SIZE): - New components in a FUNCTION_DECL. - Delete the `unused` slot in a `struct tree_decl'. + * c-parse.y (%union): Delete unused alternative. - * typecheck.c (mark_addressable): Set TREE_ADDRESSABLE - even in FUNCTION_DECLs. + * c-decl.c (grokparms): Use main variant to test for ptr to incomplete. - * typecheck.c (build_function_call): - If function is a FUNCTION_DECL, avoid setting TREE_ADDRESSABLE - when taking its address. + * c-decl.c (finish_enum): Delete superfluous init for `pair'. - * parse.h: Define RID_INLINE. - * parse.y: Define keyword `inline'; set up ridpointers for it. - (yylex): Don't recognize `inline' of -fno-asm or -ftraditional. + * cse.c (fold_rtx): Optimize X+0, X-0 in floating point. + Fix typo in PLUS case; omitted value to compare GET_MODE_CLASS against. + (equiv_constant): Allow CONST_DOUBLE. - * flags.h: New vars flag_inline_functions - and flag_keep_inline_functions. + * cse.c: Optimize past if-statements that are known to fail. + (cse_insn): If condjump becomes uncond to end of this block, + set cse_skip_to_next_block. + (cse_basic_block): If that happens, ignore rest of block, and maybe + treat next block as part of this one (if tables have room). + Resume insn that starts next basic block to be scanned. + (cse_main): Make room for at least 500 qtys. + (cse_end_of_basic_block): Subroutine broken out of cse_main. - End of changes for inline functions. - - * tree.c (convert): If EXPR's type is an error_mark, return error_mark. + * c-parse.y (hash, is_reserved_word): Rewrite: new hash technique. - * Makefile (install): Don't strip the executables. + * c-decl.c (duplicate_decls): Be smart about proto vs nonproto mismatch + involving a function definition. - * jump.c (delete_insn): Deleting a label's target - can delete either NEXT and PREV! So must search for a - following nondeleted insn to return. +Sun Feb 5 17:31:12 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * typecheck.c (build_function_call): Typo in validating - data type of function. + * alliant.md (movdi): Typo in `fmoved'. + (ftruncsf2): Handle moving into fp reg. - * genoutput.c (gen_expand): Must create a `struct data' even - for a define_expand, so we can output the proper insn_gen_function - and leave zeros in the other tables. + * jump.c (jump_optimize): Typo in testing PRESERVE_DEATH_INFO_REGNO_P. - * loop.c (scan_loop): Replace the code for handling zero-extends - with unconditional code that checks for a pair of insns. + * reload1.c (choose_reload_targets): Move all death notes to the + output reload insn. - * m68k.md: Do zero-extend using define_expand to generate - a pair of insns, to set all to zero and then copy the low part. + * m68k.md (fix_truncsfsi2,fix_truncdfsi2): Use accurate rtl pattern. -Thu Feb 18 15:54:00 1988 Richard Stallman (rms at wheaties.ai.mit.edu) + * loop.c (delete_insn_forces): Use presence of REG_RETVAL to check + for value-of-library-call insn. - * emit-rtl.c (emit_insn): If arg is a SEQUENCE, emit several insns. - * emit-rtl.c (classify_insn): Given an RTX, return the rtx-code for - an insn containing it: CODE_LABEL, INSN, JUMP_INSN or CALL_INSN. +Sat Feb 4 18:17:56 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * rtl.def: New RTX types DEFINE_EXPAND and SEQUENCE. - * gen*.c: Handle DEFINE_EXPAND. Only genemit.c does real work. + * integrate.c (expand_inline_function): Make addresses of stack + slots valid somehow. - * make.com, make-cc1.com, make-cccp.com: New, VMS command files. + * tm-3b1.h (DIVSI3_LIBCALL, etc.): Define these macros; avoid gnulib. - * tm-vms.h: New file, used as tm.h to generate VMS code. + * expmed.c (store_bit_field): Avoid (subreg (mem)) when converting + VALUE1 to SImode. - * tm-vax.h (FUNCTION_PROLOGUE): Turn off no bits in the mask; - let call_used_registers alone control this. - Call MAYBE_VMS_FUNCTION_PROLOGUE, and define that as no-op. + * jump.c (jump_optimize): Do delete USE and CLOBBER insns. + This is needed for proper jump optimization. - * tm-vax.h (TARGET_VAXC_ALIGNMENT): New target-flag bit. - BIGGEST_ALIGNMENT, EMPTY_FIELD_BOUNDARY and POINTER_BOUNDARY use it. + * rtl.def (COMPARE): New code. + * *.md (compare and related patterns): Use COMPARE, not MINUS:VOID. + * loop.c (eliminate_biv, can_eliminate_biv_p): Likewise. + * cse.c (fold_rtx, fold_cc0, cse_insn): + * output-m88k.c (output_{f,}compare, output_store): + * output-sparc.c (strict_single_insn_op_p, single_insn_src_p, safe_insn_src_p): + * combine.c (subst): + * jump.c (jump_back_p): - * varasm.c (assemble_function): Use ASM_DECLARE_FUNCTION_NAME - if it is defined. +Fri Feb 3 18:34:27 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * varasm.c (assemble_variable): On an external, - use ASM_OUTPUT_EXTERNAL if defined. Default is do nothing, as before. + * output-i386.c (notice_update_cc): If arith insn sets the cc's, + discard all remnants of previous cc value and flags. - * toplev.c: - Use FATAL_EXIT_CODE and SUCCESS_EXIT_CODE. - Don't include time.h and resource.h on VMS. - (main) Define __VERSION__ if not already defined. - Conditionalize setrlimit on RLIMIT_STACK. - Test __GNUC__, not __GNU__. - Don't do `ps v' on VMS. - (gettime): Conditional code for VMS. + * sparc.md (ashiftrt mem by 24): Fix typo `a1'. - * gcc.c: Define __GNUC__ as well as __GNU__. - __GNU__ will be deleted in a future version. +Thu Feb 2 14:55:44 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * symout.c (symout_finish) [VMS]: Don't refer to `getwd' on VMS. - * symout.c (symout_init) [VMS]: Fatal error; GDB syms not supported. + * output-sparc.c (output_mul_insn): Clear the CC status. - * parse.y (yylex): Handle DOLLARS_IN_IDENTIFIERS. +Wed Feb 1 20:01:54 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * genoutput.c (gen_insn): Workaround for VMS printf %s bug. + * Version 1.33 released. - * gen*.c: Include config.h. Whenever exiting, use - SUCCESS_EXIT_CODE or FATAL_EXIT_CODE. + * reload1.c (reload_as_needed): On entering new basic block, + if it didn't need reload regs, forget all inherited contents of those. - * config-*.h: Define SUCCESS_EXIT_CODE and FATAL_EXIT_CODE. - * config-vms.h: New file, mostly like config-vax.h. + * tm-alliant.h (NOTICE_UPDATE_CC): Floating moves don't set the cc's. + Also delete the clauses and tests for FPA regs. -Wed Feb 17 13:35:34 1988 Richard Stallman (rms at wheaties.ai.mit.edu) +Tue Jan 31 21:51:05 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * cccp.c: VMS support from Kashtan. - Some #include files are conditional. - Use file_size_and_mode instead of fstat. - When reading file contents, the size we get from that - is just an upper bound; don't assume it must match. - Replacement definitions of read and write for VMS. - Different default include directories. - Conditionalize the setrlimit code on RLIMIT_STACK. - Use SUCCESS_EXIT_CODE when exiting if no errors; - both that and FATAL_EXIT_CODE are not #defined if already defined. + * config.gcc: Handle convex-c1, convex-c2. + * tm-convex1.h, tm-convex2.h: New files that include tm-convex.h. + * tm-convex.h: Define switches -mnoc1, -mnoc2. - Treat $ as an identifier-character if DOLLARS_IN_IDENTIFIERS. - Rename the `delete' function as `delete_macro' - to avoid VMS name conflict. + * config.gcc: rename `nofp' to `nfp', to match the file names. - * cexp.y: Treat $ as an identifier-character if DOLLARS_IN_IDENTIFIERS. +Mon Jan 30 22:12:15 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * stmt.c (fixup_memory_offset): Do big-endian compensation - only within a word, not for DImode vs SImode. + * output-sparc.c (output_delay_insn): Extract the operands, + call alter_subreg, constrain_operands and NOTICE_UPDATE_CC. + So callers other than output_eager_then_insn don't lose. + (output_eager_then_insn): No need to do that stuff. - * stmt.c (fixup_var_refs): Don't fix up the insn to load the var - from its own stack slot; delete it instead. + * symout.c (symout_block_symbols): Handle (MEM (REG)) for + variable-sized arrays. - * tm-ns32k.h (MODES_TIEABLE_P): DImode is like DFmode. + * tm-encore.h (ASM_SPEC): Always pass -j; avoid jump-range lossage. - * tree.c (MAX_HASH_TABLE): 1009 (more prime) instead of 1008. +Sun Jan 29 17:06:26 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * decl.c (duplicate_decls): If merged type is OLD's type, - keep OLD's DECL_SIZE and DECL_SIZE_UNIT. + * alliant.md: Fix refs to CONST_DOUBLEs to use CONST_DOUBLE_{HIGH,LOW}. - * gen*.c (xmalloc, xrealloc): Call `fatal' if memory is full. + * combine.c (subst): (minus (zero_extend ...) (const_int ...)) opt. + now limited to within the context of (set (cc0) ...). - * reload1.c (choose_reload_targets): If a mode doesn't fit the - reload register, and the insn is an ASM_OPERANDS, ignore the reload. - Otherwise, final would crash. +Sat Jan 28 14:26:08 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * expmed.c (expand_shift): Two new strategies for lshr on short/char: - widen and do ashr, or widen and do extzv. + * cse.c (fold_cc0): Missing `&' extracting CONST_DOUBLEs. + (fold_rtx): Don't put CONST_DOUBLEs together into a (CONST (PLUS...)). - * vax.md (peepholes): Use dead_or_set_p to check for eliminable - intermediate result, rather than requiring a match with final result. + * output-convex.c (gen_cmp): Recognize CONST_DOUBLE as a constant. - * local-alloc.c (block_alloc): Testing frame_pointer_needed is - enough; no need to test FRAME_POINTER_REQUIRED, etc. - * global-alloc.c (find_reg): Likewise. - * reload1.c (reload): Likewise for flag_omit_frame_pointer + * tree.c (build_real_from_int_cst): Typo in REAL_ARITHMETIC case. - * jump.c (delete_insn): If not `optimize', don't complain - about finding an already-deleted insn in the chain. + * Makefile (bootstrap2): Don't use bootstrap3 as subroutine. -Tue Feb 16 17:14:54 1988 Richard Stallman (rms at wheaties.ai.mit.edu) + * varasm.c (force_const_mem): Put the CONST_DOUBLE on the chain + if its MEM is stored in it; so it can be cleared at end of function. - * final.c: Don't define N_SOL and N_SLINE if already defined. + * stmt.c (emit_case_nodes): Put a compare before each cond-jump. + Two cond-jumps after one cond is invalid and makes cse produce garbage. - * final.c (output_source_line): - Typo calling ASM_OUTPUT_SOURCE_FILENAME. +Fri Jan 27 01:05:01 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * flow.c (INSN_VOLATILE): fix a typo. + * tm-sun2.h (CPP_SPEC): Define __HAVE_68881__ only if -m68881. -Fri Feb 12 16:48:16 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) + * c-decl.c (start_decl): Don't expand_decl if DECL already has rtl. + (grokparms): If just declaring fcn, incomplete parm type is just + a warning, and don't discard the specified type. - * final.c (final): for `asm' without operands, output literally. + * expmed.c (expand_divmod): Be smarter about not clobbering args + with intermediate results; one mem can clobber another, and a reg + can clobber a mem. -Thu Feb 11 12:44:41 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) + * tm-i386.h (FUNCTION_PROFILER): Use LPREFIX. May actually work now. + * tm-i386gas.h: Include tm-bsd386.h, not tm-att386.h. + This means changing asm syntax. + #undef DBX_NO_XREFS and DBX_CONTIN_LENGTH. - * symout.c (symout_record_fields): Handle nameless fields. - * symout.c (symout_record_field_names): Likewise. + * sparc.md (eager branch peepholes): Don't forget 2nd arg to + safe_insn_src_p. + Don't print warnings. + * output-sparc.c: (strict_single_insn_op_p): Return 0 for floating + REG or MEM, since copying that may take 2 insns. + (operands_satisfy_eager_branch_peephole): require delay insn to + be strict_single_insn_op_p as well as safe_insn_src_p. + (operand_clobbered_before_used_after): Don't print warnings. - * typecheck.c (require_complete_type): `void' is a complete type. - * typecheck.c (build_function_call): Don't complain if result is void. + * varasm.c (decode_rtx_const): Clear entire structure incl. gaps. + Avoids spurious hash mismatches. + (force_const_mem): If CONST_DOUBLE, store its CONST_DOUBLE_MEM field. + Also look in that field rather than hashing, to save time. - * tm-hp9k320.h: Change definition of ASM_SPEC to +X, not -X. + * c-typeck.c (build_c_cast): If value is literal, mark NOP_EXPR as so. + (store_init_value): Change error msg. - * cccp.c (main): Expected object file name for foo.cc is foo.o. + * c-decl.c (duplicate_decls): Classify prototype vs nonprototype + mismatches better. -Wed Feb 10 16:04:58 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) + * tm-3b1.h: Fix comment. - * reload1.c (reload): Initialize `regmask' to zero. - Class number is in I, not in CLASS, when setting its elements. - Don't let J+K be too large. +Wed Jan 25 12:46:50 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * reload1.c (potential_reload_regs): Make it a `short' - since that can't be unsigned. + * Makefile (cleanlinks): Use -f. - * cccp.c (warning): New function, called like `error'. - * cccp.c (do_define): Make redefinition just a warning. +Tue Jan 24 17:54:16 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) -Tue Feb 9 13:28:00 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) + * cse.c (canon_hash): Fix paren error in last change. - * decl.c (grokdeclarator): Don't be fooled by ERROR_MARK as a declspec. + * varasm.c (immed_real_const_1): Missing arg to bcmp. - * toplev.c (compile_file): Strip final .c or .co from .sym file name. +Mon Jan 23 02:43:45 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * gcc.c: When running `as', specify the .sym file if -gg. + * stor-layout.c (layout_type): BLKmode elts force array to be BLKmode. -Mon Feb 8 11:26:26 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) + * genpeep.c, genoutput.c, genemit.c: Put `#include "real.h"' in output. - * expmed.c (store_fixed_bit_field): Don't try gen_lowpart on VALUE - if it's a subreg since it might lose; use convert_to_mode instead. + * stmt.c (expand_expr_stmt): No "no effect" warning for error-mark. - * tm-hp9k320.h: Define TARGET_MEM_FUNCTIONS. - * expr.c (emit_block_move, emit_push_insn, clear_storage): - If TARGET_MEM_FUNCTIONS, generate calls to memcpy and memset - instead of bcopy and bzero. - * optabs.c (emit_cmp_insn): Likewise for memcmp vs bcmp. + * varargs.h: Rename implicit arg name to __builtin_va_alist + which triggers code in assign_parms. Does this really matter? - * stmt.c (expand_goto): New temp var to avoid RT/PC compiler bug. + * sparc.md (sne): New define_expand. + (seq recognizers): Handle sne as well. + * output-sparc.c ({strict_,}single_insn_src_p): + Some NEG and MINUS insns are actually 2 asm insns. + (safe_insn_src_p): No floating arith is safe; they can trap. + (eq_or_neq): New fn, for seq/sne recognizers. -Sun Feb 7 12:20:23 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) + * c-decl.c (grokdeclarator, size of array type): + Strip from SIZE any NOP_EXPRs that don't change anything. - * flow.c (mark_used_regs, mark_set_regs): - Handle hard regs in multiword modes: set the bits for each - distinct register-number that makes up the multiword mode. - Necessary because function arg registers can inevitably - live across basic blocks. + * reload.c, recog.c: Include real.h so constraint macros can examine + CONST_DOUBLEs. - * cse.c (canon_hash): Function arg and value registers no longer - considered volatile, because flow should now handle the code that - can result from cse'ing them. +Sun Jan 22 04:12:54 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * cse.c (make_regs_eqv): Abort if OLD is invalid. - * cse.c (reg_invalidate): Abort if reg already invalid has eqvs. + * c-decl.c (init_decl_processing): Define __builtin_saveregs. + * tree.h: likewise. + * expr.c (expand_builtin): Handle it. -Sat Feb 6 16:25:32 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) + * tm-sparc.h: Define TARGET_EAGER and -meager. + * sparc.md (eager branch peepholes): Reenable, but test TARGET_EAGER. + Change fb insns to use %F. Delete `,a' from some of them. + * jump.c (jump_optimize): Don't delete USE and CLOBBER insns. - * gcc.c (main): Specific error msg if no input files. + * xm-vms.h (const): Define it as empty. -Fri Feb 5 17:56:00 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) + * make-cccp.com: Move the rename of cexp_tab.c. + Compile cccp.c with no macro definitions. - * stmt.c (expand_decl, put_var_into_stack, assign_parms): - Set in_struct on a MEM if the variable is an aggregate or union. - * varasm.c (assemble_variable): Set in_struct on aggregate vars. + * cccp.c (main): VMS conditional for setting max_include_len. -Thu Feb 4 11:52:30 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) +Sat Jan 21 12:53:00 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * m68k.md (movsf): Correct two fmove.x to fmove.s. + * varargs.h (va_start): On sparc, call __builtin_saveregs. + Delete the old conditional that used va-sparc.h. + Rename macros and locals to start with two underscores. + * va-sparc.h: File deleted. - * expmed.c (extract_fixed_bit_field): - Must always generate an `and' to mask the bitfield - unless its width is the same as the output machine mode. + * c-decl.c (store_parm_decls): Initialize OTHERS. - * version 1.18 released. + * stmt.c (assign_parms): Obey layout_decl. -Wed Feb 3 08:41:20 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) +Fri Jan 20 02:19:32 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * fold-const.c (fold): Convert EXPR's operands before returning them. + * cse.c (fold_rtx): For SYMBOL_REF and LABEL_REF, mask address + to 16 bits. -Tue Feb 2 15:35:18 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) + * tree.h (NUM_TREE_CODES): NUM_TREE_CODE renamed. - * reload.c (find_reloads_address_1): +Thu Jan 19 13:53:24 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * typecheck.c (default_conversion): Handle COMPOUND_EXPR arrays. + * c-typeck.c (mark_addressable): For global reg var, report error. + Now returns an int; value of 0 means caller should fail. + All calls (in this file) changed. -Mon Feb 1 18:53:05 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) + * stor-layout.c (layout_decl): Don't let an more than 1 word + of any aggregate go in any 1 register. (Needed for machines whose + integer regs are 64 bits). - * ns32k.md: operand 0 of all unsigned divide/modulus insns - is now register_operand. + * tm-convex.h, xm-convex.h, convex.md, output-convex.c: new files. - * stdarg.h: Make va_list be char *, not char *[1]. - Latest draft doesn't say it must be an array type. + * expr.c (convert_move): Use extendqidi2, etc. for converting + small ints to double ints. Use zero_extendsidi2 rather than + clearing the high half. -Sun Jan 31 11:14:07 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) +Wed Jan 18 01:20:52 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * flow.c (find_basic_blocks): Add temp var to avoid Sequent - compiler bug. + * varasm.c (make_decl_rtl): If global `register' decl is invalid, + make ordinary non-register rtl. - * tm-ns32k.h (GO_IF_LEGITIMATE_ADDRESS): Don't allow pushes or pops - since there are special insn patterns for them. - Resubroutinize and add temp vars to make expressions smaller. - * ns32k.md: Add a few more special stack insns; now there are enough. + * output-sparc.c (operand_clobbered_before_used_after): new fn. + (reg_clobbered_p, safe_insn_src_p): New fns. + (single_insn_src_p): Treat constants all as ok, even though not + always literally so. Also accept some SIGN_EXTENDs and ZERO_EXTENDs. + (strict_single_insn_src_p): New fn, like above but is strict + about constants and constant memory addresses. + (relop): New fn. + (output_move_double): Don't make a MEM, and don't use %m. + (output_delayed_branch): New name for output_delay_insn. + Now handle non-small constant operands. + Avoid duplicate loads of g1 for constant addresses. + Use recog_operand directly for output of the delay insn. + (output_delay_insn): Now a completely new fn. + (output_eager_then_insn, next_real_insn_no_labels): New fns. + (operands_satisfy_eager_branch_peephole): New fn. - * tm-sequent.h: Definitions of DBX_NO_XREFS and DBX_CONTIN_LENGTH. + * sparc.md: New peepholes for testing a recently used operand. + New peepholes for delayed branches, incl. conditional ones. + ** Some of them commented out because they seem not to work. + (andcc recognizer): Fix typo, missing %. + (bgt): Change bgt to bg in output. + (reversed jumps): Replace with one pattern using match_operand. + It uses %F to output the condition. + (movsi): For round-valued immed const, use just a sethi. + For other immed, use explicit sethi and or. + (movhi, movqi): use `move' for reg source or small int source. + For other immed, use explicit sethi and or. + (movsi, etc.): Handle all constant addresses like SYMBOL_REFs. + (movsf): Delete never-used duplicate code for constant addresses. + (addsi3, subsi3, cse'd multiply): Use sethi and or, rather than set. + (andsi3, iorsi3, xorsi3): Likewise. + (jump): Make an annulled branch. - * reload1.c (choose_reload_targets): Handling of reload_strict_low - is needed for input reloads as well as output, since a strict_low_part - operand is normally a read-write operand. + * tm-sparc.h (PROMOTE_PROTOTYPES): Define this. + (GO_IF_LEGITIMATE_ADDRESS): Now accept all constant addresses; + also cleaned up. + (NOTICE_UPDATE_CC): Don't change the G1 status when storing in memory. + Assume all PARALLEL insns are peepholes. + (PRINT_OPERAND): New codes C and N for outputting conditions, + either forward or reversed. Also F for reversed floating. - * reload1.c (reload): The mode a reload needs is the wider of - the input and output modes--just as it is in choose_reload_targets. + * jump.c (delete_for_peephole): New function to delete range of insns. + * genpeep.c (gen_peephole): Output code to use this. - * reload.c (find_dummy_reload): If IN and OUT have different widths - and one of them exceeds a word, don't find any dummy reload. + * Makefile (install): Fix typo, had $${name} for $${file}. - * toplev.c (compile_file): Allocate enough space for .jump2 filename. +Tue Jan 17 00:00:12 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) -Sat Jan 30 10:35:46 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) + * i386.md (ashlsi3): Use addl or leal for special cases. - * output-ns32k.c (print_operand_address): - Print addresses of the form C1+(N*REG+C2) which currently - are accepted as legitimate memory addresses. + * c-decl.c (grokdeclarator): Make a non-global VAR_DECL public + if it is external. - * tm-sequent.h: Simple bugs in PRINT_OPERAND, TARGET_DEFAULT - and SEQUENT_ADDRESS_BUG. + * masm386.c: Clean up formatting. - * gen*.c: Must explicitly exit; returning from `main' fails - to indicate nonzero status due to bug in Unix. + * cse.c (fold_rtx): Typo simplifying x|0 or x^0 + when the 0 comes second. - * parse.y (check_line_number): Ignore entire line of unrecognized - #-directive; no error if it is `pragma'. + * expmed.c (store_fixed_bit_field): For halfwords, verify that + the field fits in an *aligned* halfword. + (extract_fixed_bit_field): likewise. -Fri Jan 29 06:46:01 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) + * expmed.c (store_split_bit_field): New arg align, passed in from + store_fixed_bit_field and passed back to it. + (extract_split_bit_field): likewise. - * genrecog.c, genextract.c, genoutput.c: Define bcopy and/or bzero. + * expr.c: Reinsert changes from Jan 2, mysteriously deleted Jan 3. + Also changes from Dec 23, Dec 28 and Dec 29. - * cccp.c (do_define): Make defn->argnames long enough in no-args case. + * tm-i386.h: Likewise for changes from Dec 30. - * reload1.c (reload): Make basic_block_needs 0 until after the - frame pointer reg is spilled, so that ALL pseudos in it are spilled. + * c-typeck.c (build_component_ref): If field's type is error-mark, + return an error-mark. - * typecheck.c (truthvalue_conversion): - Strip a NOP_EXPR only if it extends, not if it truncates. +Mon Jan 16 14:16:54 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * Fixes for HPUX support from cph: - * tm-hp9k320.h: Correct names of floating-point registers. - Fix typos in ASM_OUTPUT_OPCODE; also convert `fmove' to `fmov'. - * Makefile (comments for HPUX): - cph says -Wd,-X isn't needed in CFLAGS, nor -lBSD in CLIB. - Also that -g can't be used in CFLAGS with HP's pcc. - * conf-hp9k320.h: New file, like config-m68k.h but with - #defines for the bstring functions. - * m68k.md: Add else-clauses to the HPUX_ASM conditionals on cmp insns. - Reinsert mistakenly-deleted MOTOROLA conditionals around - some OUTPUT_JUMPs. + * genpeep.c (main): Output code to exit early if insn is followed + by a barrier. + (gen_peephole): Reject barriers just like labels. -Thu Jan 28 09:51:41 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) + * stmt.c (do_jump_if_equal): New arg UNSIGNEDP, for emit_cmp_insn. + Caller changed. Now static. - * jump.c (jump_back_p): If TARGET is unconditional, return 0. + * final.c (final): Set INSN_DELETED_P in insns when output. -Wed Jan 27 04:18:29 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) + * final.c (final): Re-set BODY if peephole does anything. - * combine.c (subst): Simplify (plus (plus x c1) c2). + * c-decl.c (grokparms): Ignore anything but PARM_DECLs in the list. + (store_parm_decls): If we had a prototype, separate out anything other + than a PARM_DECL declared in it, and pushdecl those at the end, + after DECL_ARGUMENTS is set. - * expr.c (emit_push_insn): Don't use small-block push-insns for BLKmode - when one of them would be affected by PUSH_ROUNDING. - Instead, make all the space and then copy. - * expr.c (expand_call): Don't apply PUSH_ROUNDING if BLKmode. + * stmt.c (expand_end_case): Do stack adjusts after computing index. - * Allow `asm' with operands to be marked volatile. - * cse.c (canon_hash): Don't record ASM_OPERANDS that has `volatil'. - * loop.c (invariant_p): ASM_OPERANDS with `volatil' can't be invariant. - * flow.c (volatile_refs_p): Note ASM_OPERANDS that are volatile. - * stmt.c (expand_asm_operands): New arg VOL; mark ASM_OPERANDS as vol. - * typecheck.c (c_expand_asm_operands): New arg VOL. - * parse.y: allow a TYPE_QUAL after ASM. + * expr.c (store_one_arg): Handle padding for case of BLKmode + for which space was preallocated. - * Make cse handle `asm' with operands: - * cse.c (canon_hash): Hash string operands by contents, not address. - * cse.c (exp_equiv_p): Compare string operands with strcmp. - * rtl.c (rtx_equal_p): Compare string operands with strcmp. + * integrate.c (copy_rtx_and_substitute): When copying asm insn, + preserve sharing of the input-operand vectors. + (expand_inline_function): Clear {orig,copy}_asm_operands_vector + to make that mechanism work. + (save_for_inline, copy_for_inline): Likewise. - * decl.c (init_decl_processing): Once sizetype is set, - correct the type of the sizes of types already made. + * stmt.c (expand_asm_operands): Reject `+' in constraints. + Every output constraint requires `='; inputs reject it. - * cccp.c (do_defines): Don't reject #define foo{a}. + * stmt.c (expand_function_end): Arg to fixup_gotos was missing. -Tue Jan 26 04:53:16 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) +Sun Jan 15 00:28:23 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * reload.c (find_reloads): Now that `asm' is limited to - MAX_RECOG_OPERANDS, eliminate dynamic allocation of `constraints' - and `constraints1', and go back to `recog_operand' instead of - `operands'. + * cccp.c, gcc.c (main): Handle SIGPIPE. + (pipe_closed): New fn; report suitable fatal error. - * typecheck.c (c_expand_asm_operands): New fn to handle `asm' for C. - Calls expand_asm_operands, and handles output operands that - the other function cannot handle. + * loop.c (loop_optimize): Initialize moved_once. - * parse.y: Call that function. + * gcc.c (do_spec): Don't call `execute' if value != 0. + Delete redundant second call to do_spec_1. - * stmt.c (expand_asm_operands): Error if too many operands. - #include insn-config.h to get MAX_RECOG_OPERANDS. + * toplev.c (compile_file): Make declared-but-not-defined warnings + only if -Wunused. - * expr.c (expand_assignment): Use store_field to handle - structure fields and array elements. + * stmt.c (emit_case_nodes): Fix typo setting gen_ble_pat. - * output-m68k.c (output_move_double): PUSHOP and POPOP were swapped. - Handle insns that push an sp-relative address onto sp; - these can arise with -fomit-frame-pointer. - BUG? Do unoffsetable mem refs using sp and fp lose? + * tm-sparc.h ({U,}MODSI3_LIBCALL): Name was wrong. - * m68k.md (movdi,movdf): Allow unoffsetable mem refs - only if the other operand is a register. + * gcc.c (env_exec_prefix refs): Don't try to open via it if it's null. - * m68k.md (zero_extendqisi2): SGS conditionals deleted. - Supposedly the MOTOROLA syntax works for those addresses. + * output-sparc.c (output_store, output_load_{fixed,floating}): + Fixed confusions between the mem ref and its address. - * typecheck.c (default_conversion): - If flag_traditional, preserve unsignedness when promoting ints, - and promote float to double. + * cse.c (canon_hash): global_regs has entries only for hard regs. + * flow.c (insn_dead_p, mark_set_p, mark_used_regs): Likewise. - * typecheck.c (build_binary_op_nodefault): - Allow comparisons between pointers and ints. - If not -traditional, warn about them. + * cse.c (fold_rtx): More simplifications for MULT, IOR, AND, XOR + DIV and shifts with one arg 0 or 1. -Mon Jan 25 02:11:18 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) +Sat Jan 14 11:41:11 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * expmed.c ({extract,store}_split_bit_field): - Functions {extract,store}_split_reg_bit_field now work for memory - also, and therefore are renamed. - * ({extract,store}_fixed_bit_field): Call those fns when a field - is split across two words. - Also, preserve the `volatil' bit on memory refs. + * c-typeck.c (build_array_ref): If pedantic, check for regdecl arrays. - * output-m68k.c (output_move_double): Handle nonoffsetable mem refs. - * m68k.md: Relax constraints on movdi, movdf. + * fixincludes: Make all subdirs in advance, so no need for `dirname'. - * decl.c (init_decl_processing): Define `int' and `char' first. - Set `sizetype' explicitly. + * genpeep.c (gen_peephole): Delete code to increment LABEL_NUSES; + instead, clear JUMP_LABEL for any jumps being deleted. + No need to test INSN1 for being a label, since not called then. + [If any of the matched insns is a JUMP_INSN, set want_jump, + and in that case make the matched peephole a JUMP_INSN itself.] + That's in an #if 0 now; it's good in jump, but not in final. - * stmt.c (fixup_var_refs_1): May not just return when a SET - doesn't have VAR as its src or dest. + * jump.c (jump_optimize): Don't do peepholes here. + * final.c (final): Do them here. - * varasm.c: Don't include c-tree.h. + * jump.c (jump_optimize): In optimizing `if (foo) bar; else break;', + don't try to invert anything but a standard-looking conditional jump. - * decl.c (build_struct): Split this function into three: - `xref_tag', `start_struct' and `finish_struct'. - `xref_tag' subsumes `xref_enum'. + * jump.c (jump_optimize): Do peepholes on ALL BUT the first pass. - * parse.y (structsp): When parsing `struct foo {...}', define the tag - as a cross-ref before parsing the components. Use the three new fns. + * gcc.c (env_exec_prefix): New var used like user_exec_prefix + but set from envvar GCC_EXEC_PREFIX. - * regclass.c (regclass): Recognize new-format ASM_OPERANDS insns - with `asm_noperands', and scan their operands as usual. +Fri Jan 13 13:21:59 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * cse.c: In numerous functions such as canon_hash, rtx_cost, etc. - that do tree-walk on rtx, handle vectors of subexpressions. + * genpeep.c (gen_peephole): Test INSN1 for a label at the very start, + then test following insns at the end of the loop. - * loop.c (invariant_p): Likewise. + * sparc.md (call recognizers): do CC_STATUS_INIT, for %g1. - * jump.c (delete_insn): Two bugs: - If insn already deleted, return the first following nondeleted. - Deleting a jump's label can delete NEXT. Make sure return value - is always the first insn following INSN and not yet deleted. +Thu Jan 12 02:13:49 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) -Sun Jan 24 02:27:49 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) + * varasm.c (make_decl_rtl): Recognize more error cases for reg vars: + BLKmode, or initializer given. + Distinguisn missing asm from invalid name. - * rtl.def (ASM_OPERANDS): Change the rtl expression of an - `asm' with operands so it looks like this for one output operand: - (set OUTPUT (asm_operands:OUTPUTMODE INSNSTRING OUTPUTCONSTRAINT - 0 INPUTS INPUTCONSTRAINTS)). - and like this for multiple outputs: - (PARALLEL [ - (set OUTPUT0 (asm_operands:OUTPUTMODE INSNSTRING OUTPUTCONSTRAINT - 0 INPUTS INPUTCONSTRAINTS)). - (set OUTPUT1 (asm_operands:OUTPUTMODE1 INSNSTRING OUTPUTCONSTRAINT1 - 1 INPUTS INPUTCONSTRAINTS))]) + * expr.c (expand_call): Never return 0; return const0_rtx instead. + This makes expand_expr more uniform. - * parse.y: Change parsing of `asm' to distinguish input and output - operands. Separate them with colon; separate the string with colon. + * c-decl.c (grokparms): For ptr to incomplete type, just warn; + don't change the parm's type. - * stmt.c (expand_asm_operands): Receive inputs and outputs separately. - Generate the new rtl format. + * stmt.c (expand_return): Set RETVAL_RHS so as to recognize + tail-recursive fcn returning void. + Unconditionally test value of expand_expr for being a REG. - * recog.c (asm_noperands, decode_asm_operands): New fns - for extracting the operands and constraints from these insns. + * reload.c (find_reloads): Don't process insns that have + no constraint alternatives. No more need for have_constraints. - * final.c (final): Recognize and output the new rtl format - using those new functions. + * recog.c (constrain_operands): New local var nalternatives. + Don't bother checking the insn if nalternatives is 0. - * reload.c (find_reloads): Recognize and get constraints - from the new rtl format using those new functions. - New variable `operand_modes' holds the machine modes of the - operands, obtained one way for ASM_OPERANDS insns and another - for other insns. +Wed Jan 11 01:27:48 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * rtl.c (note_stores): Calling convention - is changed: the first arg FUNCTION now receives as its 2nd arg - 1 if clobbering, 0 if setting. Used to be the CLOBBER or SET rtx. + * Implement global register decls. - * local-alloc.c (reg_is_set): This fn is called from note_stores; - change its arguments. + * varasm.c (make_decl_rtl): Handle global register vars. + (make_function_rtl): Set function_defined: after 1st function dfn. + (assemble_variable): Ignore global register vars. - * tm-m68k.h (FIXUP_FRAME_POINTER_ADDRESSES): - Use frame_pointer_rtx to recognize intended frame-pointer refs - and not recognize pseudo-regs that were allocated to the frame - pointer register. + * c-decl.c (grokdeclarator): Don't reject global register decls. + (builtin_function): Use make_decl_rtl, not make_function_rtl, + to avoid setting function_defined. - * emit-rtl.c: All refs to frame pointer use a single rtx, in - frame_pointer_rtx. Likewise arg_pointer_rtx for the arg pointer. - If they are the same register, these are the same rtx. - Initialize them in init_emit. - * rtl.h: Declare these vars. + * regclass.c (init_reg_class{,_1}): Init and process global_regs. + They are fixed, and call-clobbered. - * stmt.c (assign_parms, assign_stack_local): Use those rtx's. + * flow.c (insn_dead_p): Storing one of global_regs is never dead. + (mark_used_regs, mark_set_1): A global reg is never dead. -Sat Jan 23 00:32:10 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) + * cse.c (canon_hash): Consider global regs volatile. - * reload.c (find_reloads): Don't combine_reloads if `&' constraint - was used. - * parse.y: Parse `asm' with operands. - * stmt.c (expand_asm_params): New fn: generate an ASM_OPERANDS for - `asm' with operands. - * final.c (final): Output an ASM_OPERANDS insn-body. - * regclass.c (regclass): Ignore ASM_OPERANDS, like ASM_INPUT. + * expr.c (do_jump): Know how to invert jumps which are sequences. - * reload.c (find_reloads): Handle reloading of ASM_OPERANDS. - The number of operands can no longer be bounded. - For example we can't always put the operands in recog_operands. + * dbxout.c, symout.c, final.c: On USG, use our own stab.h. - New locals OPERANDS and OPERAND_LOCS point to alloca'd vectors of - operands and their locations. New locals CONSTRAINTS and CONSTRAINTS1 - hold alloca'd vectors of constraints. + * tm-i386gas.h: New file for GAS on sysV (with DBX debugging info). - Unfortunately this isn't enough; every vector with length - MAX_RECOG_OPERANDS needs to be dynamically allocated. - Would this be too slow? For now, a cheap "solution" is to delete - any insn that has too many operands. + * m68k.md (bfchg and bfins patterns): Make # alternatives uniform. + * alliant.md: Likewise; also in movdf patterns. - * rtl.def: Delete VOLATILE, UNCHANGING and UNDESCRIBED. - Add ASM_OPERANDS. + * genoutput.c (output_epilogue): Spurious `break' disabled + error check for mismatched # of alternatives. + (output_epilogue, scan_operands): Errors in input are not fatal. - * regclass.c (reg_class_record): Delete ref to UNCHANGING. - * loop.c (invariant_p): - * rtl.c (rtx_varies_p): + * flow.c (regno_uninitialized): Avoid crash if no basic blocks. - * cccp.c: Define __VERSION__. + * sparc.md (move insns): Delete special patterns that handled + symbolic constant addresses. The main move patterns now do this. + * output-sparc.c (output_store, output_load_{fixed,floating}): + Subroutines to do the work for this; has the code from those + special patterns. Also fixed bugs in testing against cc_status.mdep. - * decl.c (shadow_tag): TYPE_NAME doesn't work to get the tag-name - of a struct, so use new function lookup_tag_reverse. - * decl.c (lookup_tag_reverse): Given a type, return its tag name. + * output-sparc.c (output_delay_insn): Clear the CC status. + This is necessary for %g1 in the case of a call insn. - * symout.c (symout_source_file): Output one `struct source'. - * symout.c (symout_lines): Output all of them, and the sourcevector. - * gdbfiles.h: New file for communication between final.c and symout.c. + * tm-i386.h (REG_CLASS_CONTENTS): INDEX_REGS is now all but ESP. + (REGNO_REG_CLASS): Corresponding change. + (REG_CLASS_FROM_LETTER): Eliminate `x' letter since not used. - * final.c (output_source_line): New arg WRITE_SYMBOLS says write - new GDB-format linenumber info. Assigns a filenum to each source - file name and keeps track of the correspondence. + * optabs.c (emit_cmp_insn): New arg ALIGN, used for BLKmode. + All callers changed. + Pass alignment (as rtx) as 4th arg to cmpstr gen functions. + Use cmpstrhi if available. + * expr.c (compare): Only this call passes a nonzero ALIGN. - * cccp.c (do_include): Output the -M info after searching the dirs; - include the actual dir name. Don't generate "./" for current dir. + * expr.c (emit_push_insn, emit_block_move): Pass alignment (as rtx) + as 4th arg to movstr gen functions. -Fri Jan 22 04:10:10 1988 Richard Stallman (rms at frosted-flakes) +Tue Jan 10 23:43:05 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * tm-news800.h: Delete override of INDIRECTABLE_1_ADDRESS. - Output is faster if it doesn't use 32-bit displacements. + * stor-layout.c (layout_type): Use BLKmode, if a struct isn't + aligned well enough for a scalar mode. - * reload.c (combine_reloads): New function. - If possible, find an input reload - and an output reload that can be turned into one input-output reload. - The old output-reload is marked as inoperative: reload_out - and reload_in both zero. This is called from find_reloads. + * expr.c (expand_expr): For static CONSTRUCTOR, ensure memory + address is made valid. - * reload1.c (reload, choose_reload_targets): Ignore inoperative - reloads. + * genpeep.c (match_rtx): For MATCH_OPERATOR, set max_opno, n_operands. - * Print warnings for variables that could be clobbered by `longjmp'. - * expr.c (expand_call): Generate a NOTE_INSN_SETJMP whenever - `setjmp' or `_setjmp' is called. - * flow.c (propagate_block): When NOTE_INSN_SETJMP is seen, - record the live regs in `regs_live_at_setjmp'. - * stmt.c (uninitialized_vars_warning): Warn about vars that have regs - that are set more than once and are marked in `regs_live_at_setjmp'. - Works through function `regno_clobbered_by_longjmp'. - * rtl.h: Define NOTE_INSN_SETJMP. +Mon Jan 9 17:07:56 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * genrecog.c (try_merge_2): When enforce_modes, keep all the - alternatives segregated by modes and keep the modes in numerical order. - * genrecog.c (write_tree): Make conditions for switch-on-modes - know what difference enforce_mode makes. + * varasm.c (output_constant): Split strings every 2000 chars. -Thu Jan 21 00:12:35 1988 Richard Stallman (rms at frosted-flakes) + * stmt.c (expand_end_case): Test bkwds, handling constant switch arg. - * tm-ns32k.h: Use Stein's definitions of PRINT_OPERAND{,_ADDRESS}; - move the Sequent definitions info tm-sequent.h. - Handle %$ in both old and new PRINT_OPERAND. - Define CPP_PREDEFINES. +Fri Jan 6 09:11:20 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * ns32k.md: Merge some features from Jan Stein's port: - strict_low_part insns, smart output of booleans with small - constant args, acbd insns generalized for other increments. - Use %$ wherever there is an explicit immediate. - Fix shortcomings of adjsp insns: use adjspd in general, - and use adjspb in all the cases that allow it. - Don't bother explicitly clearing CC_REVERSED. - For tstsf/tstdf, output the floating-zero constants - using {f,d}const0_rtx. + * output-sparc.c (output_delay_insn): Add parens to first if test. + (output_move_double): Turn addr for `sethi' into MEM for %m. - A problem still remains, which is that the Sequent and the - other ns32k assembler syntax require different + * c-typeck.c (convert_for_assignment): move test for ERROR_MARK. - * typecheck.c (unary_complex_value): Use correct datatype for - compound-exprs. + * c-parse.y (unary_expr): Allow cast_expr as arg of unary op. - * gen*.c (main): Use obstack_init instead of obstack_begin. + * stmt.c (expand_decl): Don't abort if FUNCTION_DECL lacks rtl; + assemble_variable is called after this. - * vax.md: define_peephole for andl3 x,y,z; extzv z,....,z + * c-parse.y (primary -> identifier): Separate case for undeclared + identifier outside of functions; avoids confusing error msgs. - * m68k.md (tstsi): Use cmpw instead of cmpl to test addr reg. +Thu Jan 5 01:24:47 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * tm-m68k.h: Bugs for 68000 when frame size is over 64k. - For FUNCTION_PROLOGUE, just subtract from sp instead of fp. - For FUNCTION_EPILOGUE, must put the size into a0 and then - all insns must be indexed by a0. And do this even on 68020. + * Makefile (install): Ignore errors in all `if' commands. + Create $(libdir) if nec. - * tm-isi68.h: Similar changes. - * tm-news800.h, tm-hp9k320.h: Similar changes. + * Makefile (insn-*.[ch]): Put in empty commands. May help Ultrix Make. -Wed Jan 20 04:38:21 1988 Richard Stallman (rms at frosted-flakes) + * stmt.c (emit_case_nodes): New arg UNSIGNEDP says do unsigned jumps. + Arg INDEX is an rtx, not a tree. + (expand_end_case): Pass that arg. + (node_has_{low,high}_bound): check for overflow, avoid confusion. - * cccp.c (error_with_line): New function. - Use it to report the "unterminated whatever" errors. +Wed Jan 4 02:24:21 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * typecheck.c (build_unary_op): Recursive call had missing arg. + * sparc.md (movdi, movdf): Use `&' constraint when loading reg from; + otherwise can lose on (set (reg X) (mem (plus (reg X) (reg X+1)))). - * m68k.md (movhi): If MOTOROLA, the insn that fetches from a - case-dispatch table now defines the LI label as .+2. - * tm-news800.el, tm-hp9k320.h (PRINT_OPERAND_ADDRESS): - Don't subtract 2 when outputting the address in that insn. + * expr.c (emit_push_insn): For memory scalar partially going in regs, + copy each word to reg before pushing. Avoids memory-to-memory move. + Make the displaced address valid. + Also delete unfinished STACK_OFFSET variable. -Tue Jan 19 00:02:33 1988 Richard Stallman (rms at frosted-flakes) + * c-parse.y (check_newline): Read just one #-directive and return. + This prevents lossage when toplev.c calls it to get the main input file + name, and it gets a following #ident as well. - * cse.c (cse_basic_block): Abort if more qtys were used than allocated. + * c-decl.c (lang_decode_option): Set warn_cast_qual for -Wcast-qual. + * c-typeck.c (build_c_cast): Issue some warnings if set. -Mon Jan 18 04:44:28 1988 Richard Stallman (rms at frosted-flakes) + * tm-3b1.h (ASM_OUTPUT_CASE_LABEL): Missing `;'. - * cccp.c (special_symbol): tm_mon is origin-0, not origin-1. +Tue Jan 3 18:07:31 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * final.c (output_asm_insn): If %LETTER with no digits, - pass null pointer as the operand. + * expr.c (emit_library_call): Do force_operand on each operand + if it isn't a REG, MEM or constant. + Do this, or mode conversions, earlier, before loading any hard regs. - * output-m68k.c (singlemove_string): Get rid of %e. + * m68k.md (addsi3) [SGS]: Put a zero displacement in the `lea'. - * stmt.c (fixup_memory_subreg): Convert (SUBREG (MEM a)) to (MEM a'). - * stmt.c (fixup_var_ref_1): Use that fn for operands of - SIGN_EXTRACT and ZERO_EXTRACT, since (SUBREG:SI (REG:QI...)) - could have turned into (SUBREG:SI (MEM:QI...)), which is unsafe. + * c-typeck.c (default_conversion): Don't lose `const' or `volatile' + when converting array type to pointer. - * rtl.c (debug_rtx): Print an rtx on stderr, for debugging. +Mon Jan 2 01:18:01 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) -Sun Jan 17 04:37:20 1988 Richard Stallman (rms at frosted-flakes) + * expmed.c (store_bit_field, store_fixed_bit_field): New arg, + alignment in bytes the structure is known to have. + (store_fixed_bit_field): Handle working in halfwords, + in case the pointer isn't known to have fullword alignment. + * expmed.c (extract_bit_field, extract_fixed_bit_field): likewise. + (extract_bit_field): fix unsignedp arg to extract_fixed_bit_field. + * expr.c (store_field): New arg, passed to {store,extract}_bit_field + (expand_assignment, store_constructor): Pass that arg. + (expand_expr): Pass new arg to extract_bit_field. - * gcc.c: options -M* treated like -M. + * m68k.md (casesi_2 recognizer): Offset always 6 for 3b1. - * stmt.c (pushcase): Do nothing if the case index has error_mark type. + * c-typeck.c (convert_for_assignment): Strip from rhs no-op NOP_EXPRs + put on by build_c_cast (to make the result not an lvalue). + (build_modify_expr, build_compound_expr): likewise. + (build_conditional_expr): likewise. + (actualparameterlist, build_function_call): likewise. + (default_conversion, truthvalue_conversion): likewise. - * expr.c (expand_increment): Don't use queue for post-inc on memory - if the add insn requires register args. (Better code for RISCs.) + * loop.c (move_movables): If reg has moved out of one loop, + divide `savings' by 2. -Sat Jan 16 02:10:22 1988 Richard Stallman (rms at frosted-flakes) +Sun Jan 1 03:00:07 1989 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * ns32k.md: Change register_operand to general_operand. - * ns32k.md (udivmoddisi4): Use match_dup where required. - Comment it out because it can't accept two independent output args. + * c-typeck.c (truthvalue_conversion): Distribute the conversion + into the arms of a COND_EXPR. -Fri Jan 15 00:02:35 1988 Richard Stallman (rms at frosted-flakes) + * cse.c (fold_rtx): Don't fold a MINUS with VOIDmode + into a symbolic constant--it's incorrect. - * toplev.c: Include sys/time.h only for BSD. For USG, use time.h. - This is correct for HPUX; don't know about others. + * cse.c (cse_insn): If SRC is a subreg with known value, simplify it. - * gcc.c (execute): Eliminate `union wait'. Make `status' an int. - * gcc.c (execute) [USG]: Use fork instead of vfork. + * integrate.c (copy_rtx_and_substitute): Allow a ref to a part of + MEM parm whose actual parm is a reg, provided it refs + the low part of the MEM. + (function_cannot_inline_p): Don't inline functions which have + aggregate parameters and take their addresses. This could produce + refs to non-low-parts, which copy_rtx_and_substitute can't handle. - * final.c (output_source_line): Use ASM_OUTPUT_SOURCE_{FILENAME,LINE} - if they are defined. + * c-typeck.c (build_modify_expr): If lhs is COND_EXPR, + make a COMPOUND_EXPR to ensure the rhs is computed before the branch. - * tm-hp9k320.h: New name for tm-hpux.h. - * tm-hp9k320.h (ASM_OUTPUT_LOCAL): Add 3rd arg to `lcomm' statements. - * tm-hp9k320.h (ASM_OUTPUT_{DOUBLE,FLOAT}): Use `double' and `float'. - * tm-hp9k320.h (CALL_USED_REGISTERS): Don't save any 68881 regs. - * tm-hp9k320.h (CPP_PREDEFINES): different names defined. - * tm-hp9k320.h (HPUX_ASM, NO_DBX_FORMAT, ASM_SPEC): define these. - * tm-hp9k320.h (ASM_OUTPUT_OPCODE): Convert `ftst' to `ftest'. - * tm-hp9k320.h: Define ASM_OUTPUT_SOURCE_{FILENAME,LINE}. + * Implement -pipe. + * gcc.c (do_spec_1): `|' is now a special delimiter + which goes in the argbuf. + When a newline is preceded by a `|', delete it if no -pipe. + Otherwise, don't execute yet, and keep scanning. + (do_spec): At end, if we have stuff with no newline, execute it. + (handle_braces): Implement %{|foo:...}. + (execute): If argbuf contains some `|'s, run several processes + and pipe them together. + (pexecute): new subroutine to make one of the processes. + (find_exec_file): new fn to search for program to execute. + (record_temp_file): new arg FAIL_ONLY. + (store_arg): 2nd arg == 3 means delete file on failure. + This is used for output files. + (delete_temp_files): delete certain files only if fail. - * m68k.md: Rename `hpux' conditionals to `HPUX_ASM'. - * m68k.md: Reverse `fcmp' args if HPUX_ASM. + * cccp.c (include_defaults): /usr/include before /usr/local/include. - * cccp.c (print_deps): 2 means give all files, 1 means only user files. - * cccp.c (do_include): Support that. - * cccp.c (main): -MM sets 1, -M alone sets 2. - * cccp.c (main): Give fatal error if I/O error in writing. + * recog.c (asm_noperands): 1-off in loop checking CLOBBERS + when no output operands and PARALLEL. - * toplev.c (fatal_io_error): Report I/O error on given filename, - and exit. + * expmed.c (negate_rtx): Sign-extend the high bits rather than clear. - * toplev.c (compile_file): Detect error writing asm_out_file. - Always put asm file's name in asm_file_name for err msg. - * symout.c (symout_finish): Detect error writing symfile. - * symout.c (symout_init): Save filename in symfile_name for err msg. + * cse.c (fold_rtx): fold negation of real values. + (fold_cc0): fold comparisons on real values. - * gen*.c: Return 1 if ferror (stdout)--in case disk is full. + * Makefile (install): Use $(INSTALL) for gcc.1 and files in USER_H. - * local-alloc.c (block_alloc): Don't crash if 1st rtx - in a PARALLEL is not a SET. + * Handle floating-point problems for cross-compilation. - * tm-m68k.h, tm-news800.h (PRINT_OPERAND). Eliminate code `%e'. - * m68k.md: Change `%e' to `e' everywhere. - * tm-hpux.h (ASM_OUTPUT_OPCODE): Output `move' as `mov'. + * real.h (CONST_DOUBLE_LOW, etc.): new macros to access CONST_DOUBLE. + * varasm.c (immed_double_const, decode_rtx_const): Use these. + ({force,clear}_const_double_mem): Likewise. + * output-*.c (output_move_double): Use these. + * output-m68k.c (standard_{68881,sun_fpa}_constant_p): Likewise. + * tm-*.h (PRINT_OPERAND): Use these. + * output-i386.c (print_operand): Use these. + * final.c (output_addr_const): Likewise. + * emit-rtl.c (gen_rtx): Delete special code for CONST_DOUBLE. - * tm-m68k.h, tm-news800.h, tm-hpux.h (PRINT_OPERAND): - New code `%!' is output as the name for the cc register. - * m68k.md (insns that use andi to ccr): Use `%!' to avoid - conditionals. + * real.h (union real_extract): Portable type for storing real as ints. + * varasm.c (immed_double_const, decode_rtx_const): Use these. - * cse.c: Record in qty_const_insn the insn that stored the - constant value of a qty. When making a REG_WAS_0 note, - store in it the insn that established the value 0. + * varasm.c (immed_real_const_1, decode_rtx_const): + Don't assume REAL_VALUE_TYPE is 2 ints long. + * emit-rtl.c (init_emit_once): Likewise. - * vax.md (movsi): When checking a REG_WAS_0 note, - verify that the insn it points to hasn't been deleted or made a NOTE. + * real.h (REAL_VALUE_TYPE): Define as `double' if not defined. + (REAL_IS_NOT_DOUBLE): Define this if default REAL_VALUE_TYPE not used. + (REAL_VALUES_EQUAL, REAL_VALUES_LESS): Define, if not already defined. + (REAL_VALUE_LDEXP, REAL_VALUE_ATOF): Likewise. + * tree.h (struct tree_real_cst): Use REAL_VALUE_TYPE for the value. -Thu Jan 14 00:01:35 1988 Richard Stallman (rms at frosted-flakes) + * rtl.c (init_rtl): Increase length of CONST_DOUBLE if REAL_VALUE_TYPE + needs more space. Change the rtx_format element to match. + * varasm.c (immed_real_const_1): 1st arg now has REAL_VALUE_TYPE. + (force_const_mem): Assume a CONST_DOUBLE contains REAL_VALUE_TYPE. + * emit-rtl.c (init_emit_once): Likewise. + And use REAL_VALUE_ATOF to get a floating zero. + * optabs.c (expand_float): Use REAL_VALUE_TYPE, REAL_VALUE_LDEXP. + * c-parse.y (yylex): Likewise, and use REAL_VALUE_ATOF. + * fold-const.c (split_tree): Don't accept REAL_CSTs. + (combine, fold_convert, fold): Use REAL_ARITHMETIC if defined; + else don't fold reals if they are not doubles. + * tree.c (build_real_from_int_cst): Likewise. + * print-tree.c (dump) [REAL_IS_NOT_DOUBLE]: output float value + in hex, since we don't know how to do it right. - * toplev.c: Eliminate error_with_line and warning_with_line. - * parse.y, decl.c: Change remaining calls to those two. +Sat Dec 31 14:15:13 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * tree.c (get_unwidened, get_narrower): To see if a COMPONENT_REF - is unsigned, look at the FIELD_DECL, not at the COMPONENT_REF. + * optabs.c (init_optabs): Handle new macros {U,}MULSI3_LIBCALL, + DIVSI3_LIBCALL, MODSI3_LIBCALL. + * tm-sparc.h: Define {,U}{MUL,DIV,MOD}SI3 to call Sun's library direct. - * rtl.c (print_rtx): Print /v for the `volatil' bit. - * expr.c (expand_assignment expand_expr): If handling a COMPONENT_REF, - note whether it is volatile. + * tm-sun3-nfp.h, tm-sun3-fpa.h: New files. - * fold-const.c (fold): a call to split_tree missed an argument. +Fri Dec 30 00:14:36 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * flow.c (volatile_refs_p): Scan an rtx for volatile mem refs. - * flow.c (life_analysis): Record in INSN_VOLATILE which insns - have any volatile mem refs. - * flow.c (mark_used_regs): Always mark an insn with volatile mem refs. - Always pass INSN as an arg. New arg FINAL now says whether - this is the last time scanning. - * flow.c (propagate_block): Don't delete insns with volatile mem refs. + * cccp.c (main): Certain envvars specify a file to write deps info to. - * flow.c: Remove all refs to `obey_regdecls'. - Calling this with -noreg just doesn't help -W. + * toplev.c (compile_file): Warn about undefined fns declared static. -Wed Jan 13 01:13:07 1988 Richard Stallman (rms at frosted-flakes) + * m68k.md (casesi_2 recognizer) [SGS] RTX_INTEGRATED_P test backwards. + * tm-3b1.h (ASM_OUTPUT_CASE_LABEL): Likewise. Also missing `\'. - * decl.c (finish_decl): Error if auto var's size isn't known. - Change type to error_mark_node to avoid crash if the var - is used in an expression, since it has no DECL_RTL. + * reload1.c (count_occurrences): New function. + (choose_reload_targets): Don't delete a reload if the same reg + is used elsewhere in the current insn. + (delete_output_reload): code split out from choose_reload_targets. - * output-m68k.c (output_move_const_single): % -> %% for sprintf. + * c-typeck.c (build_c_cast): Always put on some operator, + so the cast is never an lvalue for strict ANSI. - * parse.y (yylex): Store token_buffer properly after ellipsis. + * c-typeck.c (initializer_constant_valid_p): Don't depend on + distinction between NOP_EXPR and CONVERT_EXPR. - * decl.c (duplicate_decls): Don't call layout_decl - for FUNCTION_DECL or TYPE_DECL. + * c-convert.c: Fns reordered; new comments. - * toplev.c (warning_with_decl): New warning function with decl as arg. - * (error_with_decl): similar. + * fold-const.c (fold): If simplifying a NOP_EXPR within a BIT_AND_EXPR, + return a NOP_EXPR. + New var TYPE holds type of expr. - * decl.c: Replace most `yylinerror' calls with `error_with_decl'. + * c-parse.y (expr_no_commas): Split off cast_expr and unary_expr, + to reject `sizeof (int) foo'. - * decl.c (build_struct): Reform code to detect erroneous bit-fields. - All such errors are now detected here. - Promote bit-fields to int if appropriate. - If traditional, make all int bit-fields unsigned. - Set DECL_ALIGN for members that are not bit-fields. + * toplev.c (main): Treat plain `-' as input filename. - * decl.c (grokfield): Don't set DECL_ALIGN here. + * final.c (final): If an insn's output routine returns 0, + it means to output the deleted compare insn immediately preceding. - * stor-layout.c (layout_decl): Don't promote the type of a bit-field. - Use TREE_PACKED to distinguish a bit-field. - Don't check the width because build_struct did that. + * m68k.md (branch insns): Use 0 as 3rd arg for OUTPUT_JUMP + rather than explicitly clearing the overflow flag. - * m68k.md (cmpm): Reject if either operand (address) is a constant. + * tm-i386.h (OUTPUT_JUMP): Really use NO_OV; don't abort. + * i386.md (branch insns): Put real data (sometimes 0) in 3rd arg + of OUTPUT_JUMP. 0 means preceding test may not be deleted. + (lea pattern): Clear the cc's. + * output-i386.c (notice_update_cc): various arith insns set the cc's. -Tue Jan 12 15:11:20 1988 Richard Stallman (rms at frosted-flakes) +Thu Dec 29 13:22:01 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * cse.c (canon_reg): Never replace ANY hard reg from reg_rtx - because that could alter the machine mode. + * stmt.c (expand_decl_init): Do nothing for static decls. - * tm-news800.h: Redefine INDIRECTABLE_1_ADDRESS only if MOTOROLA. + * reload.c (find_reloads_address{,_1}): Return 1 iff entire arg + was reloaded as a whole, else 0. + (find_reload): If find_reloads_address returns 1, don't let that MEM + satisfy a `>' or `<' constraint. -Mon Jan 11 13:15:45 1988 Richard Stallman (rms at frosted-flakes) + * m68k.md (cmpmb): Delete special pattern, make cmpqi handle it. + The special pattern couldn't handle reloading the incremented register. - * jump.c (follow_jumps): If we find a cycle, make it a jump to self. + * integrate.c (copy_rtx_and_substitute): Test BYTES_BIG_ENDIAN, + not BITS... - * cse.c (predecide_loop_entry): Give up if chase more than 10 jumps. + * combine.c (subst): Consider big-endian correction + when simplifying (subreg (mem ...) ...). -Sun Jan 10 14:52:42 1988 Richard Stallman (rms at frosted-flakes) + * reload.c (find_reloads): Don't crash if matching operands in `asm' + are both read or both write. - * reload1.c (reload): basic_block_needs (new vector) gets 1 - for each basic block that needs a reload. - * reload1.c (spill_hard_reg): Don't spill pseudos that are - confined to a basic block which has no need for any reloads. - * reload1.c (reload): Each cycle that any element of basic_block_needs - changes from 0 to 1, must re-spill all previously spilled regs. + * expr.c (emit_push_insn): Address for movstr must be XINNER, not X. - * regclass.c (record_address_regs): - Skip the charging of ICOST if it is 0. + * toplev.c (main): Typo parsing `-fno...'. - * flags.h, toplev.c: New flag -fvolatile. - * typecheck.c (build_indirect_ref): If flag_volatile, - every INDIRECT_REF is marked with TREE_THIS_VOLATILE. +Wed Dec 28 13:07:21 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * fold-const.c (fold): Test in TRUTH_NOT_EXPR case was backward. - Also result type is always `int'. + * toplev.c (rest_of_compilation): `volatile' fns need jump_optimize + for warnings, as if -Wreturn-type. + * c-typeck.c (c_expand_return): Warn about `return' in a `volatile' fn. + * c-decl.c (finish_function): Warn if `volatile' fn can drop thru end. -Sat Jan 9 04:16:11 1988 Richard Stallman (rms at rice-krispies) + * cse.c (canon_reg): Handle nulls as subexpressions. + (fold_rtx, canon_hash, mention_regs, exp_equiv_p): Likewise. + * loop.c (invariant_p, replace_regs, replace_call_address, may_trap_p, + {basic,general}_induction_var): Likewise. - * flags.h (flag_traditional): New flag. - * toplev.c: recognize -ftraditional and -traditional. - * parse.y (yylex): If flag_traditional, don't recognize - `signed', `const' or `volatile'. + * expr.c (expand_call): Handle `const' functions: + Local IS_CONST is 1 if function is const. + Attach REG_RETVAL and REG_LIBCALL notes around the call. + Copy fn address to register outside of those notes. + Likewise precompute all parms outside them. - * decl.c (pushdecl): If flag_traditional, any extern decl - takes effect at top level. + * expr.c (expand_call): If fn is volatile, emit barrier after the call. - * tree.c (lvalue_or_else): New 2nd arg for use in error message. - * typecheck.c: All callers pass 2nd arg. + * c-decl.c (grokdeclarator): Allow function declared const or volatile. - * global-alloc.c: allocno_preferred_reg can specify a preferred - hard reg for each allocno. If so, try it first (new call to find_reg). +Sat Dec 24 18:40:12 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * global-alloc.c (find_reg): New arg PREFREG specifies reg to try - first. + * integrate.c (function_cannot_inline_p): If STRUCT_VALUE_INCOMING + or STRUCT_VALUE is defined, can't inline functions returning BLKmode. - * decl.c (build_struct): if :0 bit field at the end, round the - structure size to multiple of EMPTY_FIELD_BOUNDARY. +Fri Dec 23 13:26:26 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * cse.c (make_regs_eqv): Was testing for reg_next_eqv[lastr] == 0 - and should be == -1. + * expr.c (store_constructor): Compute array's size + with int_size_in_bytes. - * reload1.c (reload_as_needed): Fix invalid optimization deleting - the previous store into a pseudo-reg that feeds an input-reload. - It is not safe because a later insn may look in the pseudo's stack - slot for the value. Delete the store only if we can eliminate the - pseudo entirely or if the current insn stores a new value there. - Also verify that reload_in[j] is a REG. + * varasm.c (assemble_variable): If shared data, go to data section + before outputting an uninitialized symbol. - * reload1.c (reload_as_needed): When doing an input reload from a - pseudo that was stored by the previous insn (not as a reload), - redirect the previous insn into the reload register, if this lets - us eliminate the pseudo entirely. + * tm-sequent.h (ASM_OUTPUT_ALIGN_CODE): Missing backslash. + (SHARED_SECTION_ASM_OP): Macro defined. + * tm-seq386.h (SHARED_SECTION_ASM_OP): Macro defined. - * reload1.c (reload_as_needed): In both of the above cases, it's - impossible to prevent a stack slot since one was already assigned, - so don't alter reg_n_refs. Instead, set reg_renumber to record - that this pseudo did get a hard reg. + * c-typeck.c (c_expand_asm_operands): Warn if output op is `const'. - * stmt.c: Set `volatil' in pseudo-regs for the user's variables. + * Fix problem where a stmt expr in an initialization + refers to the variable it is initializing. + * stmt.c (expand_decl_init): New fn split out from `expand_decl'. + * c-decl.c (finish_decl): Call that. + Don't call expand_decl if already done. + (start_decl): Call expand_decl if type is complete already. - * jump.c (delete_insn): Do nothing if insn already deleted. + * Makefile (install): Typo in ranlib command. - * tm-sun{2,3}.h: #define STRUCTURE_SIZE_BOUNDARY 2 - for compatibility with Sun PCC. Note that 4.3 vax PCC - does not want this. +Thu Dec 22 15:57:12 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) - * fold-const.c: Replace truncate_unsigned with force_fit_type - which truncates unsigned types and sign-extends signed types. + * tree.h (tree_identifier): New field. + (IDENTIFIER_ERROR_LOCUS): Accessor for it. + * c-parse.y (primary => IDENTIFIER): + Undeclared variable gets one err msg per function it appears in. - * expr.c (do_jump): emit_queue before outputting the jump insns - that use the comparison. + * ns32k.md (andsi3): Delete extra brace. - * stmt.c: Error message for any goto that jumps into a - binding contour that restores a stack level. + * alliant.md, xm-alliant.h, tm-alliant.h, output-alliant.c: New files. - TREE_PACKED (label) means label was defined inside - such a binding contour that is now exited. Using such a label - is an error. + * combine.c (SUBST, SUBST_INT): Store new field `is_int'. + (copy_substitutions): Don't copy an int as an rtx. - TREE_ADDRESSABLE (label) means label was used from a place - outside all such binding contours. If this is 1 when - TREE_PACKED is set to 1, it is an error. + * Makefile (INSTALL): Install gcc.1 properly. - Any other invalid goto must have a fixup. fixup_gotos detects - such invalid gotos. fixup_gotos takes a second arg, which - is the first insn of the contour now being exited. + * tm-ns32k.h (FUNCTION_PROLOGUE, ASM_OUTPUT_ALIGN_CODE): + Add missing backslashes. - * GNU C version 1.17. +See file OChangeLog. Local Variables: mode: indented-text