--- gcc/ChangeLog 2018/04/24 16:41:53 1.1.1.5 +++ gcc/ChangeLog 2018/04/24 16:42:44 1.1.1.6 @@ -1,5 +1,369 @@ +Thu Aug 18 14:42:36 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * Version 1.26 released. + + * m68k.md (movsi): Constraint change for fpa regs. + + * reload1.c (choose_reload_targets): Clear reg_reloaded_contents + for all regs of a multi-reg group. + + * reload.c (find_equiv_reg): HARD_REGNO_NREGS wants mode, not size. + Check properly for overlap against multiword reload regs. + +Tue Aug 16 14:54:18 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * varasm.c, expr.c (immed_double_const): immed_real_const_2 renamed. + + * tm-i386.h (SFVALUE): Should be `double'. + * tm-i386v.h (SFVALUE): Don't override it. + + * tm-i386.h (ASM_OUTPUT_ASCII): Don't define it. + * tm-att386.h: Definition moved here. + + * tm-bsd386.h: New file, for Sequent. + * tm-seq386.h: New file, for Sequent. + * config-i386.h: New file, for Sequent. + + * expr.c (push_block): Take account of STACK_POINTER_OFFSET. + (expand_call): Therefore need not do so here. + + * optabs.c (expand_fix): Typo if going via DImode. + + * reload1.c (choose_reload_targets): Don't * reload_reg_rtx if 0. + +Mon Aug 15 01:11:49 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * integrate.c (copy_for_inline): Don't try copying 0-length vector. + (copy_rtx_and_substitute): Likewise. + + * m68k.md (andsi3): use clrw instead of andw #0. + + * print-tree.c (walk): Don't omit permanent nodes reach from temps. + + * m68k.md (zero_extend...): Reinstall the old zero-extend insns + without names, so they can help the combiner. + + * expr.c (expand_expr): Don't use hard regs as subtargets. + * combine.c (FAKE_EXTEND_SAFE_P): Always consider MEMs safe. + * reload.c (find_reloads): For (SUBREG (MEM ...)) set force_reload. + + * c-parse.y (redescape): Don't warn for `\('. + + * reload.c (find_reloads_address): #if was backwards. + +Sun Aug 14 16:52:22 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * c-typeck.c (shorten_compare): Change switch to chain of ifs. + + * tm-ns32k.h (PRINT_OPERAND): CONST_DOUBLE contains a double + even if it's SFmode. + (FUNCTION_PROLOGUE): If MAIN_FUNCTION_PROLOGUE defined, run it. + + * cccp.c (file_buf): Rename field `free' to `free_ptr'. + + * Makefile (ALLOCA, MALLOC, LIBDEPS): New variables for easier + customization. Executables depend on LIBDEPS instead of OBSTACK1. + (cccp): Deps and libs now work like the others. + + * output-i386.c (notice_update_cc): Rewritten for clarity. + + * tm-i386.h (OUTPUT_JUMP): If CC_IN_OVERFLOW, abort. + + * recog.c (push_operand): Test for stack_pointer_rtx. + + * integrate.c (copy_rtx_and_substitute): Don't submit push-operands + to `memory_address'--it would lose on machines where pushing is + a special insn, not an addressing mode. + + * output-i386.c (top_dead_p): No more redundancy--that didn't work. + Now one method if optimized, one for call_insns if noopt, one for + other insns if noopt. + (call_top_dead_p): fp_top_dead_p renamed + and only the call-insn clause remains. + + * i386.md (cmpsf, cmpdf): Output was backwards. + (", tstsf, tstdf): Set CC_IN_80387. + (incb pattern): Restrict allowable registers. + (movsf, movdf): Call top_dead_p only when absolutely necessary. + (call_value): Use top_dead_p, not subroutine. + +Sat Aug 13 15:19:23 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * stupid.c (stupid_life_analysis): If only 1 reg class, + call stupid_find_reg only once. + + * stmt.c (expand_function_start): + Clear current_function_pretend_args_size. + + * expr.c (store_constructor): If target is hard reg, go via a pseudo. + + * varasm.c (real_constant_chain): Now static in this file. + (force_const_double_mem): Put R on chain if not already on. + (clear_const_double_mem): Set XEXP (,2) to 0; + also clear real_constant_chain and the chain links. + * emit-rtl.c (init_emit_once): Put 0 in XEXP (,2) of {d,f}const0_rtx. + * cse.c (canon_hash): For CONST_DOUBLE, ignore elts other than 0,1. + +Fri Aug 12 11:48:38 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * reload1.c (order_regs_for_reload): Handle REG_ALLOC_ORDER more spots. + + * global-alloc.c (find_reg): error handling REG_ALLOC_ORDER; + also error skipping regs known to be hopeless. + * local-alloc.c (find_free_reg): error skipping hopeless regs. + * stupid.c (stupid_find_reg): likewise. + + * local-alloc.c (qty_compare_1): typo, had q1 for q2. + + * expr.c (expand_expr): Don't use supplied target when optimizing + arithmetic using a comparison or conditional; that target could be + needed for the result of the comparison. + + * reload1.c (reload): Don't set reg_equiv_constant for hard regs. + + * stupid.c (stupid_life_analysis): Ignore reg R if regno_reg_rtx[R]==0. + + * symout.c (symout_finish): Use perm. links in permanent_fwd_refs. + + * i386.md (movhi, movqi): Check no_labels_between_p. + +Thu Aug 11 10:44:46 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * c-parse.y (yylex): Out-of-range float is just a warning. + + * tm-gnx-v3.h: New file for Genix. + * ns32k.md (movsi, call, call_value): GNX_V3 conditionals. + * tm-ns32k.h (PRINT_OPERAND_ADDRESS): Changes for Genix. + + * ns32k.md (insv patterns): Operand 0 is read-write. + + * i386.md (tstsf, tstdf): Don't push the arg if already in st(0). + + * varasm.c (output_constant_def): If EXP is permanent, the rtl is too. + + * tm-*.h (ASM_OUTPUT_{LOCAL,COMMON}): New 4th arg, rounded size + vs unrounded size. + * varasm.c (assemble_variable): Pass new arg. + * symout.c (symout_init): Likewise. + + * cccp.c (rescan): Don't let char const cross lines. + (skip_quoted_string, macarg1, discard_comments): Likewise. + + * expr.c (expand_expr, VAR_DECL case): handle flag_force_addr. + + * tm-i386v.h (TAREGT_DEFAULT): Assume 80387. + * config-i386v.h (alloca): Use __builtin_alloca under GNU C. + +Wed Aug 10 11:23:06 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * reload.c (find_reloads): Alternative loses + if it has no regs for a reg operand. + + * tm-sun3.h (STARTFILE_SPEC): Define, for fpa's sake. + * tm-m68k.h: New hard regs, reg classes, reg class letters, + target flag and switch, operand syntax and CC handling for fpa. + * m68k.md: Add fpa insn patterns. + * output-m68k.c (standard_SunFPA_constant_p): New fn. + (output_move_const_{single,double}): Handle fpa regs. + (singlemove_string): Handle fpa regs. + + * stmt.c (fixup_memory_subreg): Result had wrong mode. + + * ns32k.md (insv patterns): Adjust bit-number along with address. + + * sparc.md (negdf2, absdf2): Order of the words was backwards. + + * reload1.c (new_spill_reg): End confusion about meaning of 1st arg. + Arg counted_for_nongroups had wrong type. + + * tm-m68k.h (FUNCTION_{PRO,EPI}LOGUE): Round frame size to word bdry. + +Tue Aug 9 07:53:59 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * tm-i386.h (ASM_OUTPUT_ASCII): Don't lose the sign bit. + + * tm-i386v.h (STARTFILE_SPEC, LIB_SPEC): Use crt1.o, crtn.o. + + * stmt.c (fixup_var_refs_1): fixup all memory subregs. + + * reload1.c (choose_reload_targets): Don't strip paradoxical + subregs from values to be reloaded. + + * cccp.c: Comment out text after #endif. + + * c-parse.y (init): Allow empty braces as init; warn if pedantic. + + * c-decl.c: Move C-specific options from toplev.c. + * c-tree.h: Move their externs from flags.h. + * c-decl.c (lang_decode_option): New fn called by `main'. + * toplev.c (sorry, really_sorry): New error reporting fns. + * c-decl.c (language_string): New var, name of this language. + + * c-parse.y: Don't include flags.h. + * dbxout.c: Do include it. + + * dbxout.c (dbxout_type): Handle function fields and static fields + and basetypes. Handle METHOD_TYPE and REFERENCE_TYPE. + Abort on unexpected tree code. + (dbxout_args): New fn to output prototype arg types. + (everywhere): Use IDENTIFIER_LENGTH instead of strlen. + (dbxout_type_name): Cleanup; avoid strlen. + + * local-alloc.c (reg_is_set): Don't call {post_,}mark_life for pseudos. + + * tree.h (TYPE_BASECLASSES): New field in type nodes. + + * ns32k.md (insv patterns): Was adjusting the address wrong. + + * c-decl.c (grokdeclarator): Just a warning for inline varargs fn. + +Mon Aug 8 08:16:46 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * varasm.c (immed_real_const_2): Guts of creating a CONST_DOUBLE. + * expr.c (expand_expr): Use that for 64-bit int constants. + + * loop.c (invariant_p): Don't check x->unchanging; it's not safe. + + * c-typeck.c (build_indirect_ref): Handle flag_volatile here + so that it propagates to component_refs. + * expr.c (expand_expr): No need to handle it here. + + * integrate.c (save_for_inline, expand_inline_function): + Set up insn_map to record mapping of old uids to copied insns. + (copy_for_inline, copy_rtx_and_substitute): Map 'u' refs via insn_map. + + * emit-rtl (emit_label, emit_barrier): Return what was emitted. + + * sdbout.c (sdbout_filename): Split off from sdbout_init. + * tm-encore.h, tm-3b1.h, tm-vaxv.h, tm-att386.h (ASM_FILE_START): + Call sdbout_filename. + + * toplev.c: Better messages for invalid options. + + * tm-m68k.h (PRINT_OPERAND_ADDRESS): Handle labelref+basereg. + + * tm-3b1.h (PUT_SDB_DIM): Override sdbout's definition. + (ASM_FORMAT_PRIVATE_NAME): Override tm-hp...s definition. + (PUT_SDB_PLAIN_DEF): Prepend `~' to specified name. + (SDB_GENERATE_FAKE): Prepend `~'. + + * gcc.c: Include config.h before obstack.h. + +Sun Aug 7 11:17:56 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * stor-layout.c (layout_decl): Do nothing with CONST_DECL. + Treat FRIEND_DECLs like variables. + (layout_record): Handle VAR_DECLs and FUNCTION_DECLs in the fieldlist. + Handle basetypes (almost like fields). + (layout_type): Handle REFERENCE_TYPE and METHOD_TYPE. + + * tree.c (temp_tree_cons): New fn. + (array_type_nelts, simple_cst_equal): New fns. + (lvalue_p): CALL_EXPR is an lvalue if it returns REFERENCE_TYPE. + () Manage TYPE_REFERENCE_TO. + (TYPE_HASH_SIZE): Bigger. + (type_list_equal): Compare the TREE_PURPOSE fields. + (build_reference_type, build_method_type): New fns. + + * stmt.c (block_stack): Add field `cleanups' to each element. + (expand_{start,end}_bindings, expand_decl): Update that field. + (stack_block_stack): Now includes blocks that have cleanups. + (goto_fixup_chain): Add field `cleanup_list_list'. + (expand_goto_internal): Execute cleanups for blocks being exited. + (expand_fixup): Make a fixup if any block has cleanups. + (fixup_gotos): New args CLEANUPS and DONT_JUMP_IN. + Execute cleanups for blocks being exited, or add to cleanup_list_list. + (expand_end_bindings): New arg DONT_JUMP_IN. Execute any cleanups. + (expand_decl): New arg CLEANUP. + (expand_cleanups, fixup_cleanups): New functions. + * c-decl.c: Calls to expand_decl pass new arg. + * c-parse.y: Calls to expand_end_bindings pass new arg. + + * stmt.c (expand_return): Handle INIT_EXPR, or bare RESULT_DECL. + + * stmt.c (case_stack): Add field `has_default' to each element. + (pushcase,expand_end_case): Maintain and use that field. + + * stmt.c (pushcase): Handle RANGE_EXPR cases. + (pushcase_range): Create RANGE_EXPR cases. + + * final.c (final): Always pass 3 args to ASM_OUTPUT_CASE_END. + * tm-3b1.h: Delete offending spaces. + +Fri Aug 5 16:17:16 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * integrate.c (copy_rtx_and_substitute): Don't make fp+reg+const + without an intermediate temporary reg. + + * print-tree.c (dump): Don't print an identifier's chain. + + * toplev.c (compile_file): Treat `.i' suffix like `.co'. + + * gcc.c: New config macro CC1_SPEC: extra switches for cc1. + Make a new spec for `.i' files. + + * c-decl.c (pushdecl, finish_decl): Delete duplicate tests. + + * varargs.h: Maybe include va-sparc.h or va-spur.h. + * va-sparc.h: New file. + * va-spur.h: renamed file. + + * tree.h ({TYPE,DECL}_LANG_SPECIFIC): Types and decls can point to + language-specific structures containing other info. + * print-tree.c (dump): Hooks for printing the language-specific + data in types and decls. + +Thu Aug 4 08:54:30 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * tree.def: Add some tree codes for C++. + + * Rename files: parse.[yh] -> c-parse.[yh], decl.c -> c-decl.c, + typecheck.c -> c-typeck.c. + Part of tree.c split out to c-convert.c. + + * expr.c (push_block): No longer static. + (expand_expr): Handle REFERENCE_EXPR and INIT_EXPR. + (expand_call): Turn a METHOD_TYPE to a FUNCTION_TYPE. + This is probably not all that is required. + + * parse.y (yylex): Use p->rid to check for `signed' and `inline'. + + * tm-sparc.h (ASM_OUTPUT_SOURCE_LINE): typo. + + * sparc.md: Add a pattern for andcc. + (cmpsf): Clobber reg 32 in DFmode. + (branches): There are no unsigned floating branches; abort. + (bgt): Correct name of floating variant. + (mov?i): Load small constants via mov. + (movdf for constants): Use mov, not add, to move regs. + (movsf, floatsi*, fix*): Simplify reg-to-reg-via-mem move generation. + (trunc*): Use mov, not or, to move regs. + (negsi2, one_cmplsi2): Avoid "neg" and "not" assembler syntax. + (call...): Generate "call" insns; handle #-reg-parms value. + * Define some peepholes for return insns. + + * tm-sparc.h (TARGET_SUN_ASM): New target flag. + (TARGET_DEFAULT): Now 1. + (FRAME_POINTER_REQUIRED): Now 1. + (STARTING_FRAME_OFFSET): Now -16. + (LEGITIMATE_CONSTANT_P): Only CONST_DOUBLEs fail. + (FUNCTION_{PROLOGUE,EPILOGUE}): Rewritten. + + * output-sparc.c (small_int): Test for int that mov can load. + (singlemove_string): Use mov, not add. + (output_move_double): Changes for overlap and for use of ldd, std. + (output_fp_move_double): Use ldd, std when safe. + (make_f0_contain_0): Simplify. + + * integrate.c (expand_inline_function): Some special CALL_INSN + handling no longer needed due to REG_FUNCTION_VALUE_P. + + * m68k.md (movqi): Constraints allow moving areg to areg. + Wed Aug 3 08:29:31 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + * Version 1.25 released. + * 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)