--- gcc/ChangeLog 2018/04/24 16:38:58 1.1.1.2 +++ gcc/ChangeLog 2018/04/24 16:41:03 1.1.1.4 @@ -1,3 +1,708 @@ +Sat Jul 2 10:35:17 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * Version 1.24 released. + + * stmt.c (expand_asm_operands): Produce proper no-outputs insn. + * recog.c (asm_noperands): Detect no-outputs insns. + (decode_asm_operands): Likewise. + * reload.c (find_reloads): Likewise (add case ASM_OPERANDS:). + + * local-alloc.c (block_alloc): Tests of qty_compare were backwards. + + * flow.c (life_analysis): Turn off code that finds regs live at + function start and marks them not local to any basic block. + + * cse.c (insert_regs): Fix typo (UNITS_PER_WORD). + + * cccp.c: Define max. + + * expr.c (expand_expr): Put each SAVE_EXPR's reg on save_expr_regs, + if not optimizing. + * stmt.c (expand_function_end): Mark each of those regs live + at the end and also retroactively at the beginning of the function. + + * output-vax.c (print_operand_address): New function from old macro. + * tm-vax.h (PRINT_OPERAND_ADDRESS): Call that function. + + * config-vms.h: If not under GNU C, define X_OK, etc. + + * expr.c (move_by_pieces_1): Use * to call GENFUN. + (expand_expr): Compare DECL_FUNCTION_CODE against an enum const. + (preexpand_calls): Likewise. + * genrecog.c (write_tree): Likewise. + * final.c (final): Use * to call the output function. + * reload.c (push_reload): Rename `noshare' to `dont_share'. + + * genoutput.c (output_epilogue): Put more newlines in insn_outfun. + * genemit (gen_exp): Put in more newlines. + +Fri Jul 1 00:23:57 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * global-alloc.c (allocno_compare): Avoid comparisons of floats + since that is sensitive to roundoff errors. + +Thu Jun 30 09:25:40 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * sdbout.c (PUT_SDB_{DEF,TAG}): Use ASM_OUTPUT_LABELREF. + (PUT_SDB_PLAIN_DEF): New name for old defn of PUT_SDB_DEF + (sdbout_one_type): Use PUT_SDB_PLAIN_DEF for `.eos'. + + * tree.c (allocation_temporary_p): New fcn. + (all_types_permanent): New variable. + (make_node): If that's set, make each ...TYPE node permanent. + * decl.c (grokdeclarator): If traditional, make decl data permanent. + (finish_decl): Make the rtl permanent too. + * stor-layout.c (layout_type): If type is permanent, + make its layout data permanent too. + + * cccp.c: Choose C++ or C at run time via var `cplusplus'. + Separate cplusplus_include_default from include_default. + Get GNU-specific include directory names from macros + GCC_INCLUDE_DIR and GPLUSPLUS_INCLUDE_DIR. + (main): Initialize based on CPLUSPLUS; `-+' sets it. + * Makefile: Set *_INCLUDE_DIR based on $(libdir). + +Tue Jun 28 09:25:49 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * tree.c (copy_node): Round LENGTH up to multiple of sizeof (int). + + * expr.c (emit_push_insn): Avoid using PUSH_ROUNDING if not defined. + + * sparc.md (floatsisf2): Insert missing brace. + (mulsi3): Replace reg_o0_rtx, reg_o1_rtx. + + * tm-sparc.h: Define DBX_DEBUGGING_INFO. + + * parse.y (yylex): If traditional, no error for out-of-range float. + + * Makefile: Comment saying how to compile on an Apollo. + + * tm-sparc.h (ASM_FILE_START): Switch to new calling convention. + + * decl.c (init_decl_processing): Create type nodes for 64-bit ints. + (grokdeclarator): use them for `long long'. Warn only if pedantic. + + * optabs.c (init_optabs): Add missing DImode insn names. + + * expr.c (emit_block_move, emit_push_insn): Use movstrqi if appro. + + * expr.c (convert_move): use extendsidi if appropriate. + + * cccp.c (initialize_builtins): Don't install __STDC__ if traditional. + (main): Call initialize_builtins after option processing. + + * integrate.c (output_inline_function): Set current_function_decl. + + * cse.c (fold_rtx): Typo in avoiding 32-bit shifts. + + * cccp.c: Add forward-decl. + +Mon Jun 27 18:06:42 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * hard-reg-set.h (reg_alloc_order): New variable + based on REG_ALLOC_ORDER, a new machine-description macro. + * regclass.c (reg_alloc_order): Define it. + * local-alloc.c (find_free_reg): Handle reg_alloc_order. + * global-alloc.c (find_reg): Likewise. + * stupid.c (stupid_find_reg): Likewise. + +Sun Jun 26 10:47:47 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * Version 1.23 released. + + * tm-3b1.h: Define IDENT_DIRECTIVE. + + * tm-encore.h: Define SDB_DEBUGGING_INFO. + Define SCCS_DIRECTIVE and IDENT_DIRECTIVE. + + * output-ns32k.c: Decl of paren_base_reg_printed must be outside fcns. + + * tm-encore.h (ASM_OUTPUT_DOUBLE): Do 0f, not 0l. + (CPP_PREDEFINES): No -Dns32032. + + * sdbout.c: Include syms.h, not storclass.h. + (unnamed_struct_member): Decl was missing. + (PUT_SDB_INT_VAL, PUT_SDB_VAL): Fix typos. + (sdbout_types, sdbout_one_type, sdbout_parms): Fix typos. + + * Makefile: Add file sdbout.o. + Changed comments pertaining to sysV. + Make a separate target `doc' to make the info files. + + * m68k.md (bit-field insns): Use nonimmediate_operand for the thing + to extract from. + * vax.md (QImode bit-field insns): Likewise. + + * recog.c (nonimmediate_operand): Accept any nonconst general operand. + +Sat Jun 25 07:54:42 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * cse.c (lookup_as_function): arg to exp_equiv_p was missing. + +Fri Jun 24 09:14:47 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * recog.c (memory_operand): Allow (subreg (mem...)). + +Thu Jun 23 07:34:07 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * decl.c (finish_enum): Compute minimum value like maximum. + If minimum is negative, install it in the type and make it signed. + + * stor-layout.c (layout_record): STRUCTURE_SIZE_BOUNDARY is minimum. + (layout_type): A RECORD_TYPE or UNION_TYPE must be BLKmode if + any member is BLKmode. This is to prevent putting it in a register. + (layout_decl): If decl's type is BLKmode, the decl *must* be BLKmode. + + * local-alloc.c (find_free_reg): Never allocate the frame pointer reg. + + * tm-sequent.h (PRINT_OPERAND): Bug in SFmode CONST_DOUBLE. + * tm-encore.h: Likewise. + + * flow.c (flow_analysis): Bug in n_basic_blocks error check. + + * stmt.c (expand_asm_operands): Emit no insn if an arg is erroneous. + +Tue Jun 21 08:34:24 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * reload.c (find_reloads_address): Write back *loc even if + subst_reg_equivs makes no change, in case subst_index_address did. + + * flow.c: Define macros for -1 and -2 as values of reg_basic_block. + (mark_used_regs): Add an `else'; no change in behavior. + (mark_label_ref): Abort if LABEL_REF doesn't contain a CODE_LABEL. + (find_basic_blocks): Extra error check. + + * output-ns32k.c (print_operand_address): Changes in handling of + register-indirect, and of indexing by sb register. + +Mon Jun 20 04:55:38 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * cccp.c (collect_definition): Compute needed space more accurately. + Abort if use more space than was allocated. + (rescan) [USE_C_ALLOCA]: Do alloca (0) after handle_directive. + + * genflags.c (gen_insn): Put parens around defns of HAVE_... macros. + +Sun Jun 19 02:52:53 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * expr.c (emit_push_insn): Consider PARM_BOUNDARY when compensating + for size of a pushed arg to bcopy. + +Sat Jun 18 07:20:54 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * New files sparc.md, tm-sparc.h, config-sparc.h, output-sparc.c. + + * final.c (final): After an ADDR_{,DIFF_}VEC, do ASM_OUTPUT_CASE_END. + * tm-3b1.h: Define ASM_OUTPUT_CASE_END. + (PRINT_OPERAND_ADDRESS): Ref the case tables via an intermediate symbol + `LDnnn' whose def. is output by ASM_OUTPUT_CASE_END. + (ASM_OUTPUT_CASE_LABEL): Add missing newline. + + * reload.c (find_equiv_reg): Reject a MEM containing an autoincrement. + +Fri Jun 17 06:58:37 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) + + * genpeep.c (main): Write `extern' in the decl for `peep_operand'. + + * flow.c (propagate_block): When a dead insn has a REG_RETVAL note, + call mark_set_regs anyway, so that `significant' is updated. + + * jump.c (follow_jumps): New arg IGNORE_LOOPS. If 0, don't follow + the insn at the beginning of a loop that enters the loop; this avoids + interference with loop optimizer. + (jump_optimize, tension_vector_labels): Pass that arg. + + * loop.c (loop_optimize): Mention invalid multiple-entry loops in log. + + * m68k.md (extv, extzv): Fix # of alternatives mismatch in constraints. + +Thu Jun 16 03:06:48 1988 Richard Stallman (rms at corn-chex.ai.mit.edu) + + * genrecog.c (change_state): Was mishandling printing XVECEXP indices + greater than 9. + + * combine.c (subst, simplify_and_const_int): Avoid making SUBREG + of a non-REG. + + * expr.c (expand_expr): For FIX_TRUNC_EXPR to unsigned short/char, + go via signed int. + + * optabs.c (expand_fix): Copy hard_libcall_value reg only once. + + * reload1.c (order_regs_for_reload): Init all elements + of potential_reload_regs to -1. + + * Prevent generation of (set (reg) (plus ... (label_ref ...))). + * explow.c (memory_address_noforce): Like `memory_address' but + never force it into a register. + * expr.c (do_tablejump): Use that. + * m68k.md (casesi): Use that. + + * rtl.h (struct rtx_def, GET_CODE, PUT_CODE): If SHORT_ENUM_BUG, + define the `code' field as a short. + +Wed Jun 15 01:25:57 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * gcc.c (CPP_SPEC): New spec set by config.h gives flags to cpp. + * tm-*.h for m68k: Define CPP_SPEC to define __HAVE_FPU__ on + appropriate conditions. + + * combine.c (subst): Simplify (not (minus x 1)) and (neg (minus x y)). + +Mon Jun 13 02:22:43 1988 Richard Stallman (rms at corn-chex.ai.mit.edu) + + * typecheck.c (build_array_ref): Avoid duplicate errmsg if index + is an error-mark. + +Sun Jun 12 23:04:39 1988 Richard Stallman (rms at corn-chex.ai.mit.edu) + + * cccp.c (handle_directive): If -traditional, quotes aren't special. + (rescan): Assume newline ends a string constant. + + * cccp.c, cexp.y: Make all fcns non-static; add some forward decls. + + * various: add static forward-decls for various functions. + +Fri Jun 10 00:25:18 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * reload1.c (choose_reload_targets): When writing back an incremented + value (handling reload_inc), write back to the real place, not to + OLDEQUIV (a register that holds the same value). + + * tm-m68k.h (LEGITIMIZE_ADDRESS): Don't give force_operand a target. + This can cause the use of multiple insns with same output reg, + which can confuse cse. + + * loop.c (consec_sets_invariant_p): + If invariant_p ever returns 2, we return 2. + New arg is # of consecutive sets to look for, + since this info is no longer in n_times_set at move_movables. + (scan_loop): If consec_sets_invariant_p returns 2, set m->cond. + (move_movables): check consecutive insns if m->consec && m->cond. + + * tm*.h: ASM_DECLARE_FUNCTION_NAME now takes 3rd arg, + the FUNCTION_DECL node. + * varasm.c (assemble_function): Pass this arg. + + * expr.c (expand_call, expand_builtin [alloca]): + If STACK_POINTER_OFFSET is defined, add it to stack pointer contents + before using it as address of actual data on the stack. + * stmt.c (expand_decl): Likewise. + + * stmt.c (assign_parms): If 1st parm named `__builtin_va_alist' + came in regs, pretend it came on stack. + Handle pretending a BLKmode var came on the stack. + If REG_PARM_STACK_SLOT, count stack space for each parm + even if the parm came in a register; and use that stack space + if the parm needs to be addressable or is BLKmode. + Rearrange to simplify conditionals. + +Thu Jun 9 01:21:29 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * local-alloc.c: + `qty_...' vectors' elements for hard-reg-numbers now aren't used. + `reg_qty' elements for hard-reg numbers now aren't used, + and the element for a pseudo is never a hard-reg number. + (local_alloc): No need to reset those elements. + No need to reset elements out of range of prev block's NEXT_QTY. + (reg_is_born, reg_is_set, wipe_dead_reg): + Divide labor in same way for hard regs and pseudos; + simplify using fact that locality-to-basic-block has been precomputed + and recorded in reg_qty; avoid refs to reg_qty[HARDREG]. + (reg_is_born, wipe_dead_regs): Block-number arg no longer needed. + + * local-alloc.c (combine_regs): Remove old code for tying hard regs + to pseudos; great simplification results. + Use find_regno_note, not regno_dead_p. + +Wed Jun 8 00:18:04 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * reload.c (subst_reg_equivs): Set a flag if anything is changed. + (find_reloads_address): Check that flag to avoid extra work. + Also check early for safe reg+const address and avoid work. + + * reload.c (find_reloads): Use loops instead of bcopy. + Check early for insn with no real constraints, and return. + Also check for move from hard reg to hard reg and return. + + * cse.c (canon_reg): Rewrite for speed; use a switch. + (cse_insn): Don't call find_reg_note if REG_NOTES is 0. + + * cse.c (cse_insn): Store modified SET_SRC even if there's a REG_EQUIV. + Inhibition was needed when the SET_SRC was the only place to find the + equivalent value; now it is in the REG_EQUIV note. + + * stmt.c (expand_asm_operands): If NINPUTS is 0, make vec of no elts. + * regclass.c (reg_scan_mark_refs): Don't lose if XVEC (x,i) is 0. + +Tue Jun 7 03:51:28 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * stmt.c (assign_stack_local): If big-endian and MODE is narrow, + the bytes actually used are the least significant. + + * parse.y (skip_white_space): Accept char as arg; let caller read it. + (yylex): Change call. + (check_newline): Return 1st nonwhite char after skipping lines. + (skip_white_space): Change call. + * toplev.c (compile_file): Change call. + + * gcc.c: Pass -traditional to cc1. + + * cse.c (cse_insn): Return very early for (set (reg) (call...)). + Mainly to save time. + (cse-insn) Old code to add REG_WAS_0 note wasted time but did nothing. + + * expr.c (clear_pending_stack_adjust): Really do clear it, + if current fcn doesn't want to be inline. + + * cse.c (cse_insn): Speedup: instead of safe_hash, use canon_hash + or HASHREG. + +Mon Jun 6 21:47:23 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * jump.c (rtx_renumbered_equal_p): Reject ADDR_VEC fast. + + * cse.c (cse_insn): Ignore a REG_EQUIV or REG_EQUAL note if the + equivalent value is the same as the SET_SRC of the insn. + + * flow.c (life_analysis): Don't call volatile_refs_p for a CALL_INSN; + just assume value is 1. + (propagate_block): Don't call mark_{used,set}_regs for a stack-pop + since if it isn't dead it has no effect on any useful life data. + (mark_set_1): Return quickly if setting stack-ptr, and almost as + quickly if setting any hard reg. + (mark_used_regs): Likewise for refs. + Also don't scan the vector of an ADDR_VEC or ADDR_DIFF_VEC. + (volatile_refs_p): Likewise. + + * varasm.c (output_constant): Discard NOP_EXPR and CONVERT_EXPR + in integer case (they were for casting a pointer). + + * parse.y (compstmt_or_error): Parse a compstmt after ignoring error. + Use this for fctn body so that an error after store_parm_decls + won't recover to xdecls and call store_parm_decls again. + Typical cause was missing semi at end of last parmdecl. + + * parse.y: Add missing semicolons in actions. + (yylex): Don't use yylloc. + +Sun Jun 5 16:14:40 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * typecheck.c (build_array_ref): Check arg types here, to make + error message more accurate (not about "addition"). + +Thu Jun 2 02:41:40 1988 Richard Stallman (rms at rice-krispies.ai.mit.edu) + + * cccp.c (collect_expansion): `#' isn't special if -traditional. + + * dbxout.c (dbxout_parms): Don't output a regparm symbol + unless the parm got a hard reg assigned. + + * tm-encore.h (ASM_OUTPUT_DOUBLE): Use 0f... not 0d... + + * tm-vax.h (CHECK_FLOAT_VALUE): Define this. + +Wed Jun 1 17:13:00 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * expr.c (expand_call): Have sequence points between args. + +Tue May 31 00:27:06 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * expmed.c (store_fixed_bit_field): Avoid shifting by 32. + * cse.c (fold_rtx): + * symout.c (subrange_p): likewise. + + * local-alloc.c (block_alloc): If operands 1 and 2 commute, + try tying output to operand 2 if operand 1 won't do. + + * toplev.c (compile_file): Pass main_input_file to symout_init. + + * tree.c (build_real, build_real_from_int_cst): + Call CHECK_FLOAT_VALUE if it's defined, to report out-of-range values. + + * tree.c (build_real, build_real_from_int_cst): New 1st arg TYPE. + * parse.y (yylex): Pass this arg; requires parsing suffixes first. + * fold-const.c (fold, combine, fold_convert): Pass this arg. + Handling of float binops in `combine' simplified. + + * tm-encore.h (CPP_PREDEFINES): Remove -Dencore since CC lacks it. + + * final.c (output_source_line): Let ASM_OUTPUT_SOURCE_LINE + be used for SDB also. + +Mon May 30 00:21:15 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * cse.c (insert): Was inserting in wrong place in list. + (exp_equiv_p): Was failing to check validity when x == y. + + * tree.c (build_pointer_type): Handle saveable_obstack + like current_obstack. + + * decl.c (finish_decl): Error in test for zero-size array warning. + + * reload.c (find_equiv_reg): New arg MODE specifies mode in which + an equivalent value is needed. Equivalence must be good in that mode. + In addition, notice overlap with multiword register modes. + Simplify, knowing that registers have already been renumbered. + It was invalidating memory-goals too easily; setting a reg + only invalidates memory-goal if its address varies. + * reload.c, reload1.c, jump.c: Calls pass the new argument. + + * cccp.c: For correct ANSI, must reject `$' in identifiers. + (dollars_in_ident): Variable says whether to allow them. + (rescan): Handle `$' as randomchar if that's 0. + (main): dollars_in_ident is set to 0 by -$, to 1 by -traditional. + (rescan, do_define): Delete former pedantic warnings for `$'. + (initialize_char_syntax, initialize_builtins): Inits split to two + functions; former is called after options are scanned + so `$' is in is_idchar conditionally. + * gcc.c: For -ansi, pass -$ to cccp. + * toplev.c, flags.h: Define dollars_in_ident. + * parse.y (yylex): Treat $ as punctuation unless dollars_in_ident. + Delete old pedantic warning about $. + * tm-vms.h: Define DOLLARS_IN_IDENTIFIERS as 1. + + * cccp.c (rescan): Preprocessing numbers can have signs, after `e'. + + * integrate.c (expand_inline_function): Abort, don't return failure, + if max_regno is too low. I believe this can't happen. + + * typecheck.c (build_binary_op_nodefault): + For ordered comparisons, no pedantic warning about void *. + For MAX, MIN, ditto, and also don't allow pointer vs 0. + + * typecheck.c (build_unary_op): Don't allow pointer for +. + + * typecheck.c (convert_for_assignment): + Add missing warning for case of unrelated pointer types. + Change criteria for new ANSI C draft. + + * optabs.c (expand_binop): Don't set unused target_is_not_an_operand. + + * fold-const.c (fold_convert): Don't set unused inprec, outprec. + + * emit-rtl.c, parse.y: Delete unused var. + + * stor-layout.c (add_vc_sizes): Unused function deleted. + * loop.c (constant_high_bytes): #if 0 this unused function. + + * gcc.c (fatal): Add missing arg to delete_temp_files. + + * cccp.c (dump_defn_1): Add missing arg to skip_quoted_string. + + * reload.c (find_reloads): If constraints don't fit in an `asm', + print error instead of aborting. + + * regclass.c (reg_class_record): Ignore `&' in constraint. + +Sun May 29 00:20:23 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * Makefile: Run ranlib only if /usr/bin/ranlib exists. + Add comment saying what to do on system V. + + * tree.c (suspend_momentary): Switch to the saveable_obstack + for the sake of inline functions. + + * flags.h (enum debugger): New enum for write_symbols. + * toplev.c, varasm.c, final.c: Use the enum constants where appro. + Add calls to sdbout paralleling the calls to dbxout; + put each in the appropriate conditional {SDB,DBX}_DEBUGGING_INFO. + + * toplev.c (main): Delete -noreg option; it's now the default. + Make -O an alias for -opt. Rename -g to -gg. -g is alias for -G. + Accept and ignore -Wtrigraphs. + * gcc.c: Simplify the specs. + + * toplev.c (compile_file), tm-*.h: + ASM_FILE_START is now a statement, not just a string to be output. + Output it *after* determining the real source file name. + + * fold-const.c (fold): Simplify x >= CST to x > CST-1 (CST positive). + To simplify this, canonicalize relationals to put constat last. + + * decl.c (duplicate_decls): Make a 2nd errmsg to show previous decl. + + * cccp.c (file_size_and_mode): Delete temporary VMS bootstrap patch. + + * tm-att386.h: New file. + + * decl.c (pushdecl): Warn if a local `extern' decl precedes + a file-scope `static' decl. + + * expr.c (expand_call): No warning for failure to inline. + + * expmed.c (extract_bit_field): copy operand 1 of extv or extzv + into register if memory isn't allowed. + +Sat May 28 02:10:56 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * gnulib.c, Makefile: Delete va_end. + + * final.c, symout.c: Check DBX_DEBUGGING_INFO, not NO_DBX_FORMAT. + + * genemit.c (gen_expand): Notice a CALL inside a PARALLEL. + + * regclass.c (init_reg_sets_1): Part of init_reg_set is put in this + new fn which is called after options are scanned. + Now CONDITIONAL_REGISTER_USAGE can depend on the options. + (fix_register): Just alter the data that init_reg_sets_1 will look at. + + * reload1.c (reload): Don't complain if two different but tieable + modes require groups of the same regclass (assuming same size group). + + * cccp.c: Add 3rd arg to all `open' calls. + + * parse.y (check_newline): Typo prevented ignoring whitespace. + + * cccp.c (perror_with_name): fprintf had harmful extra arg. + + * cccp.c (main, trigraph_pcp): -Wtrigraphs means warn if any trigraphs. + + * emit-rtl.c (gen_sequence): If LEN is 1, avoid looking at PATTERN + of something that doesn't have one. + + * reload1.c (alter_frame_pointer_addresses): frame pointer can + occur by itself, not just inside a PLUS. + (reload): Call eliminate_frame_pointer before reload_as_needed. + Otherwise the latter can make reload insns that copy the frame ptr + to a data reg, but 68k can't copy sp+const to a data reg. + + * decl.c (implicitly_declare): Always save the implicit decl + permanently. Reuse an old one if it exists. + * tree.c (resume_temporary_allocation): Used after `end_temporary...' + to go back to temporary allocation. + + * stor-layout (layout_{type,decl}): Call variable_size. + (variable_size): Turn a size into a SAVE_EXPR and either compute + it right away or put it on a list to be computed later. + (get_pending_sizes): Return that list and clear it out. + * stmt.c (expand_start_function): Tell `variable_size' to compute + sizes right away, and compute those saved on the list. + (expand_end_function): Tell it to put them on a list. + +Fri May 27 00:02:34 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) + + * dbxout.c (dbxout_symbol): For local static var, use 'V', not 'v'. + + * gcc.c (main): Don't handle SIGHUP or SIGTERM if shell ignored it. + + * Makefile, gcc.c: Propagate Make var `libdir' to gcc search path. + + * expr.c (expand_expr): a PARM_DECL with no rtl can occur in size of + `a' in `foo (a,i) int i; struct {int x[i];} a;', so report an error. + + * flow.c (insn_dead_p): insn that makes stack bigger is never dead. + * combine.c (try_combine): Don't splice out stores into stack ptr. + + * reload.c (find_equiv_reg): Test given regno for OVERLAPPING_REGNO_P. + + * varasm.c (assemble_variable): Use saveable_obstack for allocation. + +Thu May 26 01:17:00 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) + + * integrate.c (save_for_inline): Clear unused slots in parmdecl_map. + (There may be some non-parm regs below max_parm_regno.) + * integrate.c (copy_for_inline): Don't crash if parmdecl_map elt is 0. + + * Don't fail to output a static inline function that was referenced + via a local extern decl before its definition. + * expr.c (expand_call): If need to mark a fcn decl addressable, + mark the identifier addressable also. + * typecheck.c (mark_addressable): If marking fcn addressable, + mark the identifier as well. + * decl.c (start_function): If identifier was marked addressable, + propagate it to the function. + + * parse.y (yylex): Check for ERANGE after atof is called. + (Sun doesn't report ERANGE.) + + * loop.c (may_trap_p): Any floating arithmetic may trap. + +Wed May 25 00:03:34 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) + + * parse.y: Delete `noalias'. + (asm_operand): Don't allow this to be empty. + (asm_operands): Do allow this to be empty. + + * reload.c (operands_match_p): Don't let REG and SUBREG match + if the reg isn't a hard reg. + No longer nec. to check reg_renumber, now that reload + substitutes the hard regno. + + * reload1.c (reload): Counting existing spilled groups, + check HARD_REGNO_MODE_OK so we don't get fooled by an odd-even pair. + Spill entire need for new groups before spilling any solitary regs. + Reg already counted against max_nongroups can't become part of a group. + (new_spill_reg): Do bookkeeping associated with a new spill-reg. + (n_spills): This var is now static, no longer passed as arg + within the file. + + (reload_reg_class_lower): Handle all group-reloads before solitaries. + (choose_reload_targets): therefore #if 0 the special code for + finding solitary registers that aren't suitable for groups. + But fix two bugs in it: braino deciding whether a reload + is looking for 1 register (not a group). Use CLASS_MAX_NREGS. + Also braino deciding whether a spill reg can be in a group. + Did not fix bug that it fails to test HARD_REGNO_MODE_OK, + so it might split up an even-odd pair. + + * vax.md: Special patterns for 8 and 16-bit fields, to make + move-insns (like the ones for the 68k). + + * tree.c (convert_to_integer): Pass truncation down thru COND_EXPR + as through a binary operator. + + * typecheck.c (build_cond_expr): If unpromoted operand types match, + don't promote them--let containing expression promote (just once). + +Tue May 24 14:46:26 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) + + * combine.c (subst): Simplify (subreg (sign_extend X) 0). + + * tm-hp9k320.h: Delete NO_DBX_FORMAT. + * Most tm...h files: Define DBX_DEBUGGING_INFO. + * dbxout.c: Change conditional to DBX_DEBUGGING_INFO. + + * integrate.c (expand_inline_function): If inline fcn was declared to + return QI, but actually computes an SI, use SImode for INLINE_TARGET + but actually return a QI. + + * varasm.c (force_const_mem): Failed to determine alignment bdry + from machine mode. + + * jump.c (jump_optimize): Don't delete (move X Y) if X or Y is a + PRESERVE_DEATH_INFO_REGNO_P register. + + * final.c (output_addr_const): In PLUS, output constant term last. + + * final.c (final): Before outputting an insn, do FINAL_PRESCAN_INSN. + + * final.c (next_block_index): No longer static. + (final): Add SDB_DEBUGGING_INFO cases for outputing NOTEs + for beginning and end of a block. + (output_source_line): Add SDB_DEBUGGING_INFO case for line number. + * varasm.c (assemble_function): Add code for SDB symbol output. + + * gnulib.c: Allow config to override INTIFY. + New macro SFVALUE for data type to return a single-float in. + + * combine.c (remove_death): No longer `static'. + + * reload1. (choose_reload_targets): PRESERVE_DEATH_INFO_REGNO_P + selects hard regs for which death info should be updated for final. + + * reload1.c (reload_as_needed): Let INSN_CLOBBERS_REGNO_P + prevent inheritance of certain reloads. + + * reload.c (find_equiv_reg): Let OVERLAPPING_REGNO_P reject + an equiv reg. Needed for funny float regs on 80387. + + * cccp.c (do_ident): Define #ident as a no-op if IDENT_DIRECTIVE. + Warn if pedantic. + (do_sccs): Warn if pedantic. + + * emit-rtl.c (restore_reg_data): Set cur_insn_uid--prevent duplicates. + Sun May 22 12:25:06 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) * Version 1.22 released.