--- gcc/ChangeLog 2018/04/24 16:41:03 1.1.1.4 +++ gcc/ChangeLog 2018/04/24 16:41:53 1.1.1.5 @@ -1,3 +1,432 @@ +Wed Aug 3 08:29:31 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * integrate.c (expand_inline_function): Don't let MEM be inline_target. + +Tue Aug 2 09:13:37 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * integrate.c (INTEGRATE_THRESHOLD): New macro, default dfn here. + (function_cannot_inline_p): Use it. + + * rtl.h (REG_FUNCTION_VALUE_P): New macro. + * stmt.c (expand_function_start): Set that flag in the return reg. + * integrate.c (expand_inline_function, copy_rtx_and_substitute): + Test that flag to test for the return value. + * expmed.c (expand_fixed_bit_field, expand_mult, expand_divmod): ditto. + FUNCTION_VALUE_OUTGOING_REGNO_P no longer needed. + +Mon Aug 1 02:46:08 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * integrate.c (copy_rtx_and_substitute): If NO_FUNCTION_CSE, + don't break out constant fcn addresses here. + + * expmed.c (expand_fixed_bit_field): Tests of FUNCTION_VALUE_REGNO_P + were backwards. + +Sun Jul 31 13:10:07 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) + + * recog.c (indirect_operand): New function. + + * output-i386.c (print_operand): define %*. eliminate %s. + (fp_top_dead_p): In nonopt case, skip stack-adjusts while looking + for the insn that uses the function value. + + * varasm.c (text_section, data_section): New functions. + Replaced explicit printfs elsewhere with calls to them. + * final.c (final_start_function): Use these fns. + * sdbout.c (sdbout_one_type): Use text_section. + * tm-att386.h (ASM_OUTPUT_LOCAL): Use data_section. + + * expr.c (prepare_call_address): Don't pass const via reg if no -O. + + * tm-sparc.h (FUNCTION_{PROLOGUE,EPILOGUE}) Round the size of saved + registers. Fix bug counting saved registers. + + * tm-sparc.h (ASM_OUTPUT_SOURCE_LINE): Define this macro. + + * tm-sparc.h (DEFAULT_SIGNED_CHAR): Now 1. + + * expr.c (expand_builtin, alloca case): Adding stack offset needs + special code if TARGET is a MEM. + + * dbxout.c (dbxout_init): Define Ltext: after the reference to it. + + * tm-3b1.h (ASM_OUTPUT_CASE_LABEL): `short 0' triggers assembler bug; + `short L%nn-L%nn' supposedly works. + +Sat Jul 30 00:25:52 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * sparc.md (floatsidf2): Minor change in output. + (fix_trunc{sf,df}si2): Similar. + + * output-sparc.c (output_fp_move_double): Minor change in output. + + * stmt.c (assign_parms): Don't count stack space for struct value + address if the function does not have one. + + * sdbout.c: Output .dim's and total size for arrays. + Detect bit-fields properly. + Changed handling of structure tags. + + * reload1.c (new_spill_reg): counted_for_nongroups is a new arg; + store 1 in it if this reg is needed for max_nongroups. + + * reload1.c (choose_reload_targets): Allow inheritance of DFmode + if it needs only one register. + + * reload1.c (choose_reload_targets): Delete the death-note from the + store-insn of an inherited reload if PRESERVE_DEATH_INFO_REGNO_P. + + * reload.c (push_reload): Crash if PREFERRED_RELOAD_CLASS is NO_REGS. + (find_reloads): Smarter handling of forcing CONST_DOUBLE into mem. + Check PREFERRED_RELOAD_CLASS & do this if it says NO_REGS. + + * reload.c (subst_indexed_address): Handle case with 2 regs + and no constant term. + + * local-alloc.c: New variable qty_n_refs, set from reg_n_refs + and tested in qty_compare{,_1}. + (combine_regs): Update qty_n_refs. + Update qty_preferred_or_nothing more intelligently. + + * regclass.c (regclass, reg_class_record, record_address_regs): + Count the number of refs to each reg along with the costs, + and use it when computing the preferred_or_nothing flag. + (Can't use reg_n_refs since that is weighted by loop depth). + + * global-alloc.c (global_alloc): Enable test of OVERLAPPING_REGNO_P + for setting no_global_alloc_regs. + + * expr.c (prepare_call_address): Use force_reg, so it gets a REG_EQUIV. + + * optabs.c (can_{fix,float}_p): Return enum insn_code, not a function. + (init_{fix,float}_tab): Store enum insn_code's in fixtab and floattab. + (expand_{fix,float}): Change calls to can_{fix,float}_p. + Also, use emit_unop_insn to make the actual insns. + +Fri Jul 29 02:42:40 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * cccp.c (initialize_char_syntax): If dollars_in_identifiers is 0, + set entries for `$' to 0. + Set entries to 1 rather than incrementing them. + +Tue Jul 26 11:14:22 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * varasm.c (assemble_variable): Make SDB output only if top-level. + + * local-alloc.c (reg_is_set): Arg to mark_life is regno, not qty. + + * output-ns32k.c (print_operand_address): New flag SEQUENT_BASE_REGS + * tm-sequent.h: Define that flag. + + * Makefile: add some missing deps. + + * tm-encore.h (ASM_FILE_START): Changed to do nothing. + + * sdbout.c (sdbout_init): Fix two dumb errors. + + * sdbout.c (sdbout_end_epilogue): No longer takes arg. + Examine current_function_decl here, not in caller. + * final.c: Call changed. + +Mon Jul 25 01:32:54 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * stor-layout.c (layout_record): Handle PCC_BITFIELD_TYPE_MATTERS. + + * tm-3b1.h (__PTR_TO_INT, __INT_TO_PTR): Define these, to alter + parts of obstack.h. + +Sun Jul 24 17:56:53 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * Padding for an arg may now go below or above it; new macro + FUNCTION_ARG_PADDING can now choose which, or can inhibit padding. + This makes for compatibility with PCC. + * expr.h: Default definition of that macro. + * expr.c (emit_push_insn): Put the padding above or below. + (expand_call): Don't count the padding if none wanted. + * stmt.c (assign_parms): Adjust parm stack addr if padded below. + Don't count the padding if none wanted. + * tm-3b1.h: Define FUNCTION_ARG_PADDING: no padding for > 4 bytes. + + * final.c (alter_subreg): Now returns the altered value + (but may still modify the original structure). + Handles (SUBREG:DI (CONST_DOUBLE:DF...)) by returning the CONST_DOUBLE. + + * m68k.md (DImode push): now allows `F'. + * ns32k.md (movdi): now allows `F'. + + * tm-m68k.h (FIX_FRAME_POINTER_ADDRESS): + Handle indexed references to frame pointer. + * tm-i386.h, tm-m88k.h, tm-sparc.h: Likewise. + + * cse.c (predecide_loop_entry): Must search for the loop top label. + +Sat Jul 23 08:53:01 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) + + * parse.y (yylex): typo in wide strings. + + * tm-vaxv.h, config-vaxv.h: New files for sysV on vax. + + * config-sun4.h: If sparc and not compiling with GCC, include alloca.h. + +Fri Jul 22 02:38:02 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) + + * tree.c (build_real_from_int_cst): CHECK_FLOAT_VALUE at proper place. + + * tm-hp9k320.h ({TEXT,DATA}_SECTION_ASM_OP): Should not include a tab. + * final.c (final_start_function): Don't output a tab before those. + + * sdbout.c (PUT_SDB_EPILOGUE_END): New macro. + * sdbout.c (sdbout_end_epilogue): New function to output the C_EFCN. + Like former sdbout_mark_end_function. Uses that macro. + * final.c (final_end_function): Call that function. + * tm-3b1.h: Override PUT_SDB_EPILOGUE_END like the other PUT_SDB... + + * tm-3b1.h (PRINT_OPERAND_ADDRESS, ASM_OUTPUT_INTERNAL_LABEL, + ASM_OUTPUT_CASE_{LABEL,END}): Put a % in names of internal labels. + (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): + New macros, for same reason. + (FUNCTION_PROFILER): New macro, for % and also to put addr in a0. + + * final.c (output_source_line): For fcn's first line, use lineno 1. + * sdbout.c (sdbout_end_function): Clear sdb_begin_function_line + so can recognize first line of next function. + + * sdbout.c (sdbout_init): Output the .file pseudo here. + * tm-3b1.h, tm-att386.h (ASM_FILE_START): Don't do it here. + + * sdbout.c (PUT_SDB_VAL): Output leading tab, like the other macros. + * tm-3b1.h (PUT_SDB_VAL): Likewise. + + * regclass.c (regclass): Cast enums to int, not char. + * varasm.c (record_constant): Likewise. Avoids 3b1 PCC bug. + + * decl.c (pushdecl): Better choice of error message for extern/static. + + * emit-rtl.c: Do look for STRUCT_VALUE_INCOMING_REGNUM. + +Thu Jul 21 02:13:03 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * cse.c (canon_hash): CONST_INT case failed to add to prev. value + of HASH; was inconsistent with cse_insn mem address hashing. + + * m68k.md (divide insns): Alternate 3B1 syntax for `swap' insn. + +Wed Jul 20 18:27:10 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * m68k.md: In shift-by-24 patterns, rejects autoincrement memrefs + since they are mode-dependent. + +Tue Jul 19 13:01:38 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * parse.y (check_newline): Handle #ident by writing .ident to output. + * cccp.c: Don't handle #ident; delete IDENT_DIRECTIVE conditionals. + + * stmt.c (expand_end_case): In compares, put constant arg second. + + * jump.c (jump_optimize): Delete conditional jump if followed by + an unconditional jump to the same place. + +Mon Jul 18 17:49:13 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * emit-rtl.c (init_emit_once): Now STRUCT_VALUE_INCOMING is an + expression for an rtx. It can make a MEM. Likewise STRUCT_VALUE + for outgoing structure value addresses. + + * stmt.c (assign_parms): If incoming struct addr on stack, leave room. + * expr.c (expand_call): If outgoing addr on stack, push it like an arg. + + * PROMOTE_PROTOTYPES means if proto says `char', pass `int'. + * decl.c (get_parm_info): Alter DECL_ARG_TYPE to do this. + * typecheck.c (actualparameterlist): Convert value for this. + * tm-m68k.h: Define PROMOTE_PROTOTYPES. + +Sun Jul 17 14:25:47 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * jump.c (jump_optimize): peephole can delete insns following INSN. + Set NEXT after peephole. + + * decl.c (finish_decl): Always restart perm alloc if global. + + * stmt.c (assign_parms): When a float is passed as double, store the + float in low-numbered word. Avoids trouble with parm_map in integrate. + + * vax.md: New pattern for decrement and compare against -1. + +Sat Jul 16 14:18:00 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * decl.c (pushdecl): Ignore previous decl if it's really an error_mark. + + * stmt.c (expand_start_case): Make sure case_stmt.start is a NOTE. + + * combine.c (subst): In the simplification for + (set (zero_extract ...) (and/or/xor (zero_extract ...) const)), + require same memory location in both extracts. + + * *386*: New files. + + * cse.c (fold_rtx): Save time in memory address if it didn't change. + Don't replace cheaper expression with coslier one. + (cse_insn): Reenable generation of REG_WAS_0. It wasn't obsolete. + + * cccp.c: `ident' has 5 letters. + + * final.c (output_source_line): SDB can't handle multiple source + files, so ignore line-NOTEs for other files. + + * hard-reg-set.h: New var reg_class_size (# regs in the class). + * regclass.c (init_reg_class): Set it up. + + * reload.c (find_reloads): If an earlyclobber is in a class of size 1 + as an output, reload it as input instead of as output. + + * reload1.c (choose_reload_targets): Improve elimimation of spilled + pseudos made dead by reloading: if pseudo is limited to one block + and that block contains just stores, delete all the stores. + + * reload1.c (choose_reload_targets): reg_has_output_reload is now + static and survives through reload pass. + (forget_old_reloads): Don't cancel data on spilled regs of output + reloads of the insn just made. + + * sdbout.c (sdbout_one_type): Go to .text before defining a type. + (sdbout_block): Test against do_block was backwards. + + * stmt.c (expand_end_function): New args to make a NOTE for last line. + * decl.c (finish_function): Pass the args. + + * rtl.c (no_labels_between): New function. + * vax.md (movsi): Call it. + + * print-tree.c (dump): Don't follow chain of a decl. + + * rtl.c (volatile_refs_p): Moved from flow.c. + +Fri Jul 15 13:36:20 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) + + * sdbout.c (PUT_SDB...): Allow config to override any of them. + * sdbout.c (PUT_SDB_{BLOCK,FUNCTION}_{START,END}): New macros. + * tm-3b1.h: Override all of them. + * sdbout.c (SDB_GENERATE_FAKE): New macro to create dummy tag name. + (gen_fake_label): Use SDB_GENERATE_FAKE. + * tm-3b1.h: Override its defn. + + * sdbout.c (sdbout_mark_function_end): Unused; deleted. + + * tm-3b1.h: Define SDB_DEBUGGING_INFO. + +Thu Jul 14 01:55:15 1988 Richard Stallman (rms at frosted-flakes.ai.mit.edu) + + * config-sunv4.h: New file for Sunos version 4. + + * tm-sun3.h (CPP_SPEC): Define mc68010 or mc68020, depending. + +Tue Jul 12 15:31:30 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * stmt.c (expand_fixup, expand_goto_internal): New functions to + emit a jump that can restore the stack level, even without tree node. + (expand_null_return, expand_exit_loop, etc.): Use expand_goto_internal. + (expand_end_function): Do fixup_gotos after emitting return_label. + + * cse.c (predecide_loop_entry): Avoid using JUMP_LABEL. + * flow.c (find_basic_blocks): Avoid using JUMP_LABEL. + + * flow.c (insn_dead_p): Delete special case for stack-adjust insns. + (life_analysis): Mark those insns with INSN_VOLATILE here. + (mark_used_regs): a SET of a hard reg, in a volatile insn, + always makes its source live. + +Mon Jul 11 10:46:26 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * ns32k.md (floatqidf2): Commented out since assemblers warn about it. + +Sun Jul 10 11:49:23 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * decl.c (xref_tag): Default the TYPE_MODE of enum xrefs + to avoid making MEM and REG with VOIDmode. + + * vax.md (call): If > 255 args, pop them explicitly. + +Sat Jul 9 10:53:47 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * symout.c (symout_types): Fix up forward refs to previously + undefined structure types. + (filter_undefined_types): New function. + (symout_finish, symout_function_end): Output any never-defined structs. + * toplev.c (rest_of_compilation): call symout_function_end. + + * parse.y: Don't declare errno if it's a macro. + + * tm-hp9k320 (FUNCTION_PROFILER): Pass ptr in a0, not d0. + + * typecheck.c (truthvalue_conversion): Flush unnec recursive call. + (build_cond_expr): Bug testing zeroness of IFEXP with TREE_LITERAL. + + * cse.c (fold_cc0): Constants not CONST_INT are certainly nonzero. + * fold-const.c (fold): ADDR_EXPR is not equal to zero. + + * cccp.c (macroexpand): Disable the macro even if traditional. + (rescan): Error if use a disabled macro. + + * combine.c (try_combine): Don't substitute a different reg into + an auto-increment. Handle multiple REG_INC notes in I1 or I2. + + * decl.c (implicitly_declare): Don't reuse old implicit decl. + + * varasm.c (assemble_variable): Avoid syntax err if no DBX and no SDB. + * final.c (output_source_line): likewise. + + * fold-const.c (fold): PLUS/MINUS_EXPR: in case of cancellation, + convert result to original type. + + * regclass.c (reg_class_record): Changed arguments include address + of entire vector of constraints. + +Fri Jul 8 07:59:00 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * reload1.c (reload): Find groups of more than 2 registers. + +Thu Jul 7 08:33:07 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * expr.c (emit_push_insn): Typo adjusting arg for bcopy + if not STACK_GROWS_DOWNWARD. + + * gnulib.c (_cmpsf2): Value is int, not SFVALUE. + +Wed Jul 6 11:53:46 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * tm-encore.h, tm-3b1.h: Replace ASM_FILE_START; output a .file. + + * *m88*: New files for Motorola 88000. They don't really work. + +Tue Jul 5 14:40:03 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * local-alloc.c (combine_regs): Don't tie a reg to itself. + + * finxincludes: Make a variable LIB for the target dir. + + * m68k.md (movhi, addhi3, addsi3): Micro-optimize choice of asm insns. + + * expr.c (expand_expr): Use new macros NO_DEFER_POP, OK_DEFER_POP + in several places, to keep stack predictable. + +Mon Jul 4 09:50:18 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * integrate.c (function_cannot_inline_p): Increase threshold size. + + * flags.h (use_gdb_dbx_extensions): New variable. + * toplev.c: + + * sdbout.c (PUT_SDB_TAG): Delete duplicate defn. + + * expr.c (expand_expr): For FIX_TRUNC_EXPR to unsigned short/char, + REALLY go via signed int. + + * loop.c (may_trap_p): Was detecting floating arithmetic incorrectly. + + * tm-news800.h (CPP_PREDEFINES): Add sony and sony_news. + + * parse.y (check_newline): Avoid infinite loop at eof. + Sat Jul 2 10:35:17 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) * Version 1.24 released.