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1999-08-19rtl.def (NOTE): Change format to "iuu0n".Zack Weinberg1-1/+2
1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com> * rtl.def (NOTE): Change format to "iuu0n". (ADDR_DIFF_VEC): Change format to "eEee0". (ADDRESSOF): Change format to "eit". * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion. (RTVEC_ELT): Change to match. (XVECEXP): Use XVEC and RTVEC_ELT. (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER, ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT. (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES, CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST, TRAP_CONDITION, TRAP_CODE): Use XEXP. (INTVAL): Use XWINT. (ADDRESSOF_DECL): Use XTREE. (SET_ADDRESSOF_DECL): Delete. (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL, NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been ifdefed out since 2.6 at least. (gen_rtvec_vv): Delete prototype. * rtl.h (rtvec_alloc): rt->elem is now an array of rtx, not rtunion. (copy_most_rtx): Handle 't' format letter. * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx. (gen_rtvec_vv): Delete function. All callers changed to use gen_rtvec_v instead. * print-rtl.c (print_rtx): Move special casing of NOTEs to the '0' format letter. * function.c (gen_mem_addressof): Don't use SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF instead. * integrate.c (copy_rtx_and_substitute): Likewise. Copy 't' slots with XTREE. (subst_constants): Treat 't' slots like '[swi]' slots. * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots. * jump.c (rtx_equal_for_thread_p): Likewise. * rtlanal.c (rtx_equal_p): Likewise. * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes only four arguments. * gengenrtl.c (type_from_format): Provide correct types for 'b' and 't' slots. * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK): If a recent gcc is in use (always in stage2 and beyond), use statement expressions, so we don't make a function call unless the check fails. Evaluate arguments exactly once. (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1, TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1): Delete. (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that they evaluate their arguments exactly once, irrespective of the compiler in use. * tree.c [ENABLE_CHECKING]: Define whichever set of functions is used by the currently-enabled check macros. This is: (tree_check_failed, tree_class_check_failed): For gcc. (tree_check, tree_class_check, cst_or_constructor_check, expr_check): For other compilers. * gencheck.c: Do not define any *_CHECK1 macros. From-SVN: r28769
1999-08-18cse.c (cse_insn): Call never_reached_warning when a jump is changed to be ↵Geoff Keating1-0/+2
unconditional. * cse.c (cse_insn): Call never_reached_warning when a jump is changed to be unconditional. * flags.h: Declare warn_notreached. * flow.c (delete_block): Call never_reached_warning when a block is deleted. * jump.c (delete_barrier_successors): Call never_reached_warning when we delete everything after a BARRIER. (never_reached_warning): New function. * rtl.h: Declare never_reached_warning. * toplev.c (warn_notreached): New variable. (lang_independent_options): Set warn_notreached when -Wunreachable-code. (compile_file): We need line numbers for -Wunreachable-code. Also modify documentation to suit. From-SVN: r28747
1999-08-09Include function.h in most files.Bernd Schmidt1-0/+1
Include function.h in most files. Remove most of the global variables duplicated in function.h. Add accessor macros for them which access current_function. Delete INLINE_HEADER rtx and related code, replace with code using struct function to store inlining related data. From-SVN: r28626
1999-08-03* cse.c (cse_insn): Fix dumb thinko in last change.Jeffrey A Law1-1/+1
From-SVN: r28466
1999-08-01cse.c (cse_insn): Fix loop which deletes insns after a jump that has become ↵Jeffrey A Law1-1/+4
an unconditional jump. * cse.c (cse_insn): Fix loop which deletes insns after a jump that has become an unconditional jump. From-SVN: r28388
1999-07-22explow.c (trunc_int_for_mode): New function.Richard Henderson1-62/+3
* explow.c (trunc_int_for_mode): New function. (plus_constant_wide): Use it. * combine.c (simplify_and_const_int): Likewise. (merge_outer_ops): Likewise. (simplify_shift_const): Likewise. * cse.c (simplify_unary_operation): Likewise. (simplify_binary_operation): Likewise. * emit-rtl.c (operand_subword): Likewise. * rtl.h: Declare it. From-SVN: r28222
1999-06-16cse.c (cse_insn): Don't put hard register source into tables for last insn ↵J"orn Rennecke1-1/+6
of a libcall. * cse.c (cse_insn): Don't put hard register source into tables for last insn of a libcall. From-SVN: r27550
1999-05-16cse.c (cse_insn): Copy SRC_CONST before putting it in the REG_EQUAL note.Andreas Schwab1-0/+3
* cse.c (cse_insn): Copy SRC_CONST before putting it in the REG_EQUAL note. From-SVN: r26958
1999-04-08cse.c (flush_hash_table): New function.Jeffrey A Law1-13/+30
* cse.c (flush_hash_table): New function. (cse_insn): Flush the hash table when we encounter a volatile asm. (cse_basic_block): Use flush_hash_table instead of doing it inline. * reload1.c (reload_cse_regs_1): Flush known register values if we encounter a volatile asm. From-SVN: r26304
1999-03-30alias.c (alias_set_compare): Remove.Mark Mitchell1-130/+199
* alias.c (alias_set_compare): Remove. (record_alias_subset): Use splay_tree_compare_ints instaed of alias_set_compare. (init_alias_once): Likewise. * cse.c: Include splay-tree.h. (reg_qty): Remove. (reg_tick): Likewise. (reg_table): Likewise. (cse_reg_info): New structure. (cse_reg_info_free_list): New variable. (cse_reg_info_tree): Likewise. (cached_regno): Likewise. (cached_cse_reg_info): Likewise. (all_minus_one): Remove. (consec_ints): Likewise. (GET_CSE_REG_INFO): New macro. (REG_TICK): Likewise. Use throughout instead of reg_tick. (REG_IN_TABLE): Likewise. Use throughout instead of reg_in_table. (REG_QTY): Likewise. Use throughout instead of reg_qty. (get_cse_reg_info): New function. (free_cse_reg_info): Likewise. (new_basic_block): Reinitialize cse_reg_info_tree instead of reg_tick, all_minus_one, and consec_ints. * Makefile.in (cse.o): Depend on splay-tree.h * splay-tree.h (splay_tree_compare_ints): Declare. * splay-tree.c (splay_tree_compare_ints): Define. From-SVN: r26069
1999-03-22* cse.c (cse_insn): Don't change the result register of a libcall.J"orn Rennecke1-2/+7
From-SVN: r25898
1999-03-14cse.c (check_fold_consts): New static function.Kaveh R. Ghazi1-10/+34
* cse.c (check_fold_consts): New static function. (cfc_args): New struct. (simplify_relational_operation): Use them in call to `do_float_handler'. * toplev.c (do_float_handler): New function to wrap calls to setjmp/set_float_handler. * toplev.h (do_float_handler): Add extern prototype. * tree.c (build_real_from_int_cst_1): New static function. (brfic_args): New struct. (build_real_from_int_cst): Use them in call to `do_float_handler'. From-SVN: r25768
1999-03-06* cse.c (canon_hash): Never reject hard regs in CCmode.Richard Henderson1-2/+8
From-SVN: r25623
1999-03-01cse.c (fold_rtx): Update comments for (const (minus (label) (label))) case.Franz Sirl1-4/+17
* cse.c (fold_rtx): Update comments for (const (minus (label) (label))) case. (cse_insn): Avoid creating a bogus REG_EQUAL note for (const (minus (label) (label))) (record_jump_cond): Fix mismatched paren in comment. Fixes powerpc label-label problem. Bootstraps on the x86. Co-Authored-By: Jeffrey A Law <law@cygnus.com> From-SVN: r25527
1999-02-25cse.c (dump_class): Revert last change and make the prototype extern.Kaveh R. Ghazi1-2/+2
* cse.c (dump_class): Revert last change and make the prototype extern. From-SVN: r25438
1999-02-25cse.c (dump_class): Make the function definition static to match the prototype.Kaveh R. Ghazi1-1/+1
* cse.c (dump_class): Make the function definition static to match the prototype. From-SVN: r25430
1999-02-22cse.c (dump_class): New function.Mark Mitchell1-1/+21
* cse.c (dump_class): New function. (invalidate_memory): Fix typo in comment. * function.c (temp_slot): Add an alias set field. (assign_stack_temp): Only reuse slots if they will have the same alias set as before. (combine_temp_slots): Don't combine if -fstrict-aliasing; that's unsafe. * rtl.c (copy_rtx): Copy all the flags (in particular, MEM_SCALAR_P). From-SVN: r25372
1999-01-26Merge in gcc2 snapshot 19980929. See gcc/ChangeLog and gcc/FSFChangeLog forJeffrey A Law1-1/+1
details. From-SVN: r24879
1999-01-20cse.c (fold_rtx): Revert 29 Dec change.Richard Henderson1-21/+6
* cse.c (fold_rtx): Revert 29 Dec change. (cse_insn): Revert 12 Jan change. * expr.c (expand_builtin): Don't emit CONST around CONSTANT_P_RTX. * regclass.c (reg_scan_mark_refs): Revert 29 Dec change. * rtl.def: Likewise. * rtl.h (CONSTANT_P): Likewise. * expr.c (emit_move_insn): Never try to flush CONSTANT_P_RTX to memory. * recog.c (immediate_operand): Accept CONSTANT_P_RTX. * alpha.c (input_operand): Likewise. * c4x.c (const_operand): Likewise. * explow.c (allocate_dynamic_stack_space): Use register_operand instead of arith_operand, which does not exist. * 1750a.h: Fix comment closure. * a29k.c (a29k_set_memflags): Fix typo in 19 Jan change. * arc.md (one_cmplsi2_set_cc_insn): Fix set mode mismatch. * arm.h (TARGET_SWITCHES): Fix typo. * i370.md (anon mult and div patterns): Fix set mode mismatch. * i860.c (output_delayed_branch): Fix operands to constrain_operands. (output_delay_insn): Likewise. * m88k.md (anon rotate insns): Fix set mode mismatch. (anon BLKmode moves): Commonize and fix set mode mismatches. * ns32k.md (udivmoddi[shq]i4_internal): Fix mode mismatch. * romp.md (movdf): Fix typo. From-SVN: r24796
1999-01-19Update copyrightsMark Mitchell1-1/+1
From-SVN: r24765
1999-01-19rtl.h (rtx_def): Update documentation.Mark Mitchell1-2/+1
* rtl.h (rtx_def): Update documentation. (MEM_IN_STRUCT_P): Likewise. (MEM_SCALAR_P): New macro. (MEM_COPY_ATTRIBUTES): Likewise. (MEM_SET_IN_STRUCT_P): Likewise. * rtl.texi (MEM_SCALAR_P): Document. * alias.c (canon_rtx): Use MEM_COPY_ATTRIBUTES. (fixed_scalar_and_varying_struct_p): New function. Use MEM_SCALAR_P rather than !MEM_IN_STRUCT_P. (aliases_everything_p): Likewise. (true_dependence): Use them. (write_dependence_p): New function, containing code common to anti_dependence and output_dependence. (anti_dependence): Use it. (output_dependence): Likewise. * calls.c (save_fixed_argument_area): Don't clear MEM_IN_STRUCT_P. (expand_call): Use MEM_SET_IN_STRUCT_P. (emit_library_call): Don't clear MEM_IN_STRUCT_P. (emit_library_call_value): Likewise. (store_one_arg): Use MEM_SET_IN_STRUCT_P. * combine.c (simplify_rtx): Use MEM_COPY_ATTRIBUTES. (make_extraction): Likewise. (simplify_shift_const): Likewise. (gen_lowpart_for_combine): Likewise. * cse.c (gen_lowpart_if_possible): Use MEM_COPY_ATTRIBUTES. * emit-rtl.c (operand_subword): Likewise. (change_address): Likewise. * explow.c (stabilize): Use MEM_COPY_ATTRIBUTES. * expr.c (protect_from_queue): Use MEM_COPY_ATTRIBUTES. (emit_group_store): Use MEM_SET_IN_STRUCT_P. (copy_blkmode_from_reg): Likewise. (store_field): Likewise. (expand_expr): Remove bogus guesswork setting MEM_IN_STRUCT_P heuristically. Use MEM_SET_IN_STRUCT_P. (get_memory_rtx): Likewise. * final.c (alter_subreg): Use MEM_COPY_ATTRIBUTES. * function.c (assign_stack_temp): Clear MEM_SCALAR_P and MEM_ALIAS_SET on newly returned MEMs. (assign_temp): Use MEM_SET_IN_STRUCT_P. (put_reg_into_stack): Likewise. (fixup_var_refs1): Use MEM_COPY_ATTRIBUTES. (gen_mem_addressof): Use MEM_SET_IN_STRUCT_P. (assign_parms): Likewise. (expand_function): Likewise. * integrate.c (expand_inline_function): Likewise. (copy_rtx_and_substitute): Use MEM_COPY_ATTRIBUTES. * loop.c (note_addr_stored): Remove check on MEM_IN_STRUCT_P. * optabs.c (gen_move_insn): Use MEM_COPY_ATTRIBUTES. * print-rtl.c (print_rtx): Print /f for frame_related. * recog.c (validate_replace_rtx_1): Use MEM_COPY_ATTRIBUTES. * reload1.c (reload): Copy MEM_SCALAR_P as well. * stmt.c (expand_decl): Use MEM_SET_IN_STRUCT_P. (expand_anon_union_decl): Use MEM_COPY_ATTRIBUTES. * varasm.c (make_decl_rtl): Use MEM_SET_IN_STRUCT_P. (output_constant_def): Likewise. * a29k.c (a29k_set_memflags_1): Take scalar_p. Set MEM_SCALAR_P. (a29k_set_memflags): Use it. * alpha.c (get_aligned_mem): Use MEM_COPY_ATTRIBUTES. * c4x.c (c4x_scan_for_ld): Likewise. * h8300.c (fix_bit_operand): Likewise. * m88k.c (legitimize_address): Likewise. (block_move_loop): Likewise. (block_move_no_loop): Likewise. (block_move_sequence): Likewise. (m88k_builtin_saveregs): Use MEM_SET_IN_STRUCT_P. * mips/abi64.h (SETUP_INCOMING_VARARGS): Likewise. * rs6000.c (expand_block_move_insn): Use MEM_COPY_ATTRIBUTES. * sh.c (sh_builtin_saveregs): Use MEM_SET_IN_STRUCT_P. * arm.h (arm_gen_load_multiple): Take scalar_p. (arm_store_load_multiple): Likewise. * arm.c (arm_gen_load_multiple): Likewise. (arm_gen_store_multiple): Likewise. (arm_gen_movstrqi): Treat MEM_SCALAR_P like MEM_IN_STRUCT_P. From-SVN: r24759
1999-01-11* cse.c (cse_insn): Never prefer (const (constant_p_rtx)).Richard Henderson1-0/+6
From-SVN: r24637
1998-12-30cse.c (invalidate_skipped_block): Call invalidate_from_clobbers for each ↵Jeffrey A Law1-0/+1
insn in the skipped block. * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers for each insn in the skipped block. Fixes m68k codegen bug. From-SVN: r24450
1998-12-29Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:Richard Henderson1-6/+15
* rtl.def (CONSTANT_P_RTX): Clarify commentary. * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to consider constant CONSTRUCTOR constant and to defer some cases to cse. * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX. * regclass.c (reg_scan_mark_refs, case CONST): Likewise. Richard Henderson <rth@cygnus.com> * expr.c (init_expr_once): Kill can_handle_constant_p recognition. * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code. From-SVN: r24439
1998-12-23Warning fixes:Kaveh R. Ghazi1-1/+1
* alias.c (record_alias_subset): Remove ignored `&'. (init_alias_once): Likewise. * c-lex.c (UNGETC): Cast first argument of comma expression to void. * config/mips/mips.c (mips_asm_file_end): Cast the result of fwrite to `int' when comparing against one. * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||. (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'. * cse.c (rehash_using_reg): Change type of variable `i' to unsigned int. * dwarf2out.c (initial_return_save): Cast -1 to unsigned before assigning it to one. * except.c (duplicate_eh_handlers): Remove unused variable `tmp'. * final.c (final_scan_insn): Likewise for variable `i'. (output_asm_insn): Cast a char to unsigned char when used as an array index. * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when assigning it to one. * loop.c (strength_reduce): Remove unused variables `count' and `temp'. * recog.c (preprocess_constraints): Cast a char to unsigned char when used as an array index. * regmove.c (find_matches): Likewise. * reload1.c (calculate_needs): Add default case in switch. (eliminate_regs_in_insn): Initialize variable `offset'. (set_offsets_for_label): Change type of variable `i' to unsigned. (reload_as_needed): Wrap variable `i' in macro check on AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P. * scan-decls.c (scan_decls): Mark parameters `argc' and `argv' with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t when comparing against one. * stor-layout.c (layout_decl): Cast maximum_field_alignment to unsigned when comparing against one. Likewise for GET_MODE_ALIGNMENT(). (layout_record): Cast record_align to int when comparing against a signed value. (layout_type): Cast TYPE_ALIGN() to int when comparing against a signed value. * tree.c (get_identifier): Cast variable `len' to unsigned when comparing against one. (maybe_get_identifier): Likewise From-SVN: r24403
1998-12-10Fix alpha-x-m32r-elf bugs.Jim Wilson1-0/+13
* cse.c (simplify_unary_operation): Sign-extend constants when they have the most significant bit set for the target. * real.c (endian): Sign-extend 32 bit output values on a 64 bit host. * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in HOST_WIDE_INT temporary before negating it. * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000. From-SVN: r24254
1998-11-24cse.c (fold_rtx): Make autoincrement addressing mode tests be runtime ↵Jeffrey A Law1-8/+8
selectable. * cse.c (fold_rtx): Make autoincrement addressing mode tests be runtime selectable. * expr.c (move_by_pieces): Similarly. (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly. * flow.c (find_auto_inc): Similarly. (try_pre_increment): Similarly. * loop.c (strength_reduce): Similarly. * regclass.c (auto_inc_dec_reg_p): Similarly. * regmove.c (try_auto_increment): Similarly. (fixup_match_1): Similarly. * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined. (HAVE_PRE_DECREMENT): Similarly. (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly. sponding changes to all target header files. From-SVN: r23837
1998-10-17Warning fixes:Kaveh R. Ghazi1-1/+1
* Makefile.in (flow.o): Depend on recog.h. * cpplib.h (directive_table): Add missing initializiers. (finclude): Change type of variable `bsize' to size_t. * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED. * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE. * fix-header.c (lookup_std_proto): Cast the result of `strlen' to `int' when comparing against one. (cpp_file_line_for_message): Mark parameter `pfile' with ATTRIBUTE_UNUSED. (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED. * flow.c: Include recog.h. (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR). * function.c (thread_prologue_and_epilogue_insns): Mark parameter `f' with ATTRIBUTE_UNUSED. (reposition_prologue_and_epilogue_notes): Likewise. * genopinit.c (gen_insn): Cast argument of ctype functions to `unsigned char'. * haifa-sched.c: Include recog.h. (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when comparing against one. * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now. * mips-tfile.c (parse_end): Cast the argument of ctype function to `unsigned char'. (parse_ent): Likewise. (parse_input): Likewise. * optabs.c (init_libfuncs): Likewise. * protoize.c (find_rightmost_formals_list): Likewise. * recog.h (const_double_operand): Fix typo in prototype. * tlink.c (scan_linker_output): Cast the argument of ctype function to `unsigned char'. * toplev.c (check_lang_option): Cast the result of `strlen' to `int' when comparing against one. From-SVN: r23155
1998-10-15cse.c (cse_basic_block): Fixup hash flushing loop so we do not accidently ↵David S. Miller1-5/+5
walk into the free list. * cse.c (cse_basic_block): Fixup hash flushing loop so we do not accidently walk into the free list. Comment how that can happen. (invalidate): Fix indentation. From-SVN: r23122
1998-10-13Check for NULL return from gen_lowpart_if_possible().Nick Clifton1-1/+1
From-SVN: r23049
1998-10-06* cse.c (insert_regs): Fix bug in Sep 24 change.J"orn Rennecke1-1/+1
From-SVN: r22866
1998-09-24expr.c (store_constructor): When initializing a field that is smaller than a ↵J"orn Rennecke1-3/+131
word... * expr.c (store_constructor): When initializing a field that is smaller than a word, at the start of a word, try to widen it to a full word. * cse.c (cse_insn): When we are about to change a register, remove any invalid references to it. (remove_invalid_subreg_refs): New function. (mention_regs): Special treatment for SUBREGs. (insert_regs): Don't strip SUBREG for call to mention_regs. Check if reg_tick needs to be bumped up before that call. (lookup_as_function): Try to match known word_mode constants when looking for a norrower constant. (canon_hash): Special treatment for SUBREGs. From-SVN: r22567
1998-08-14i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.Jason Merrill1-1/+1
* i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings. * alias.c (memrefs_conflict_p): Add braces to shut up warnings. * cse.c (cse_basic_block): Add parens to shut up warnings. From-SVN: r21734
1998-07-28cse.c (cse_insn): Enable subsitution inside libcall only for REG, SUBREG, MEM.Vladimir N. Makarov1-3/+7
� * cse.c (cse_insn): Enable subsitution inside libcall only for REG, SUBREG, MEM. * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE. From-SVN: r21435
1998-07-08cse.c (count_reg_usage): Count registers used in addresses of CLOBBERs.Jeffrey A Law1-1/+7
* cse.c (count_reg_usage): Count registers used in addresses of CLOBBERs. From-SVN: r21012
1998-07-07* cse (cse_insn): Don't make change without validation.J"orn Rennecke1-11/+18
From-SVN: r20996
1998-07-06cse.c (CSE_ADDRESS_COST): New macro, based on ADDRESS_COST, but dealing with ↵Mark Mitchell1-17/+29
ADDRESSOF. * cse.c (CSE_ADDRESS_COST): New macro, based on ADDRESS_COST, but dealing with ADDRESSOF. (find_best_addr): Use it. From-SVN: r20945
1998-07-05cse.c (cse_insn): Second arg is an RTX now.Jeffrey A Law1-10/+23
* cse.c (cse_insn): Second arg is an RTX now. Update all callers. (cse_basic_block): Keep track of the current RETVAL insn for a libcall instead of just noting that we're in a libcall. From-SVN: r20936
1998-07-05cse.c (cse_insn): When SETting (MEM (ADDRESSOF (X))) to Y...Mark Mitchell1-2/+13
* cse.c (cse_insn): When SETting (MEM (ADDRESSOF (X))) to Y, don't claim that the former is equivalent to the latter. From-SVN: r20935
1998-06-30expr.c (emit_group_load, [...]): Rewrite considering the size and alignment ↵Richard Henderson1-0/+18
of the structure being manipulated. * expr.c (emit_group_load, emit_group_store): Rewrite considering the size and alignment of the structure being manipulated. * expr.c, calls.c, function.c: Update all callers. * expr.h: Update prototypes. * cse.c (invalidate): Cope with parallels. From-SVN: r20867
1998-06-30rtl.def (CONSTANT_P_RTX): New.Richard Henderson1-0/+6
* rtl.def (CONSTANT_P_RTX): New. * rtl.h (CONSTANT_P): Recognize it. * cse.c (fold_rtx): Eliminate it. * expr.c (can_handle_constant_p): New variable. (init_expr_once): Initialize it. (expand_builtin): Generate CONSTANT_P_RTX if the expression is not immediately recognizable as a constant. From-SVN: r20846
1998-06-29* Merge from gcc2 June 9, 1998 snapshot. See ChangeLog.13 forJeff Law1-1/+1
details. From-SVN: r20808
1998-06-17cse.c (cse_basic_block): Don't include NOTE insns in the count that is used ↵Mark Mitchell1-5/+8
to decide whether or not it... * cse.c (cse_basic_block): Don't include NOTE insns in the count that is used to decide whether or not it is time to erase the equivalence table. From-SVN: r20548
1998-06-08Warning fixes:Kaveh R. Ghazi1-2/+3
* Makefile.in (varasm.o): Depend on dbxout.h. (cse.o): Depend on toplev.h and output.h. (gcse.o): Depend on output.h. * mips.c: Include system.h and toplev.h and remove redundant code. Include output.h after tree.h so all its prototypes get activated. * mips.md (table_jump): Remove unused variable `dest'. * sparc.h: Add prototype for `v8plus_regcmp_op'. * crtstuff.c (fini_dummy, init_dummy): Mark function definitions with __attribute__ ((__unused__)). (__frame_dummy): Provide prototype before use, wrap it with EH_FRAME_SECTION_ASM_OP. * cse.c: Move inclusion of <setjmp.h> above local headers. Include toplev.h and output.h. * dbxout.h: Add prototype for `dbxout_begin_function'. * final.c (final_scan_insn): Wrap variable `max_skip' in macro ASM_OUTPUT_MAX_SKIP_ALIGN. * gcse.c: Include system.h and output.h. (dump_cuid_table, dump_rd_table, dump_cprop_data, dump_pre_data): Make extern instead of static. (compute_can_copy): Only declare variables `reg' and `insn' when AVOID_CCMODE_COPIES is not defined. (record_set_info): Mark parameter `setter' with ATTRIBUTE_UNUSED. (hash_scan_clobber): Likewise for `x' and `insn'. (hash_scan_call): Likewise. (record_last_set_info): Likewise for `setter'. (mark_call): Likewise for `pat'. (pre_insert_insn): Wrap variable `note' in macro HAVE_cc0. * libgcc2.c (__bb_init_prg): Replace bzero with memset and fix the length parameter so that it multiplies the number of elements by the sizeof(element). * output.h: Add prototype for `weak_finish'. * recog.h: Likewise for `validate_replace_src'. * rtl.h: Likewise for `optimize_save_area_alloca', `fix_sched_param', `purge_addressof', `gcse_main', `regmove_optimize', `dbr_schedule', `branch_prob' and `end_branch_prob'. * toplev.h: Likewise for `set_float_handler' and `output_quoted_string'. * varasm.c: Include dbxout.h. From-SVN: r20351
1998-05-23m68k.h: Declare more functions used in macros.Andreas Schwab1-1/+4
* m68k.h: Declare more functions used in macros. (REG_CLASS_CONTENTS): Completely embrace initializer. * m68k.md (adddi3, subdi3): Add abort call to avoid warning about returning no value. * cse.c (find_best_addr): Declare p and found_better only if needed. * dbxout.c (dbxout_continue): Define only if DBX_CONTIN_LENGTH > 0. * dwarfout.c (string_length_attribute): #if 0 away. * function.c (expand_function_end): Define varible blktramp only if needed. * jump.c (find_insert_position): Define only if !HAVE_cc0. * loop.c (combine_givs_p): Define variable tem only if needed. * real.c: Comment out unused functions eabs, eround, e{24,53,64,113}toasc and eiinfin. From-SVN: r19998
1998-05-13Warning fixes:Kaveh R. Ghazi1-1/+1
* Makefile.in (c-lang.o): Depend on c-tree.h, c-lex.h and toplev.h. (c-lex.o): Depend on output.h. (c-common.o): Likewise. (stmt.o): Likewise. (calls.o): Likewise. (integrate.o): Depend on toplev.h. (regclass.o): Depend on output.h. (final.o): Depend on reload.h. * c-common.c: Include output.h. (check_format_info): Remove unused variable `integral_format'. * c-decl.c (print_lang_decl): Mark parameters `file', `node' and `indent' with ATTRIBUTE_UNUSED. (print_lang_type): Likewise. (maybe_build_cleanup): Likewise for parameter `decl'. (copy_lang_decl): Likewise for parameter `node'. * c-lang.c: Include c-tree.h, c-lex.h and toplev.h. (lang_print_xnode): Mark parameters `file', `node' and `indent' with ATTRIBUTE_UNUSED. (lookup_interface): Likewise for parameter `arg'. (is_class_name): Likewise. (maybe_objc_check_decl): Likewise for parameter `decl'. (maybe_objc_comptypes): Likewise for parameters `lhs', `rhs' and `reflexive'. (maybe_objc_method_name): Likewise for parameter `decl'. (build_objc_string): Likewise for parameters `len' and `str'. * c-lex.c: Include output.h. * c-lex.h (position_after_white_space): Correct typo in prototype. * c-tree.h (finish_file, c_expand_start_cond, c_expand_start_else, c_expand_end_cond, init_iterators): Add prototypes. * caller-save.c (set_reg_live): Mark parameters `reg' and `setter' with ATTRIBUTE_UNUSED. * calls.c: Include output.h. * cccp.c (pipe_closed): Mark parameter `signo' with ATTRIBUTE_UNUSED. * combine.c: Move inclusion of expr.h to after insn-config.h. * iris6.h (ASM_IDENTIFY_GCC, ASM_IDENTIFY_LANGUAGE): Don't define as empty, rather define as ((void)0). * sparc.c (sparc_check_64): Add braces around ambiguous `else'. Add parentheses around assignment used as truth value. * cplus-dem.c (squangle_mop_up): Change return type to void. (internal_cplus_demangle): Remove unused parameter `options'. All callers changed. (cplus_demangle_opname): Remove function wide variable `int i' and replace with `size_t i' at each location where it is used. (cplus_demangle_opname): change type of `i' from int to size_t. * cppexp.c (right_shift): Mark parameter `pfile' with ATTRIBUTE_UNUSED. * cpphash.c (cpp_lookup): Likewise. (cpp_hash_cleanup): Likewise. * cpplib.c (parse_name): Add a prototype and make it static. (null_underflow): Mark parameter `pfile' with ATTRIBUTE_UNUSED. (null_cleanup): Likewise for parameters `pbuf' and `pfile'. (macro_cleanup): Likewise for parameter `pfile'. (file_cleanup): Likewise. * cpplib.h (cpp_reader_init, cpp_options_init, cpp_start_read, cpp_read_check_assertion, skip_rest_of_line): Add prototypes. * crtstuff.c (force_to_data, __CTOR_LIST__, force_to_data, __DTOR_END__, __FRAME_END__): Mark with ATTRIBUTE_UNUSED. * cse.c (cse_check_loop_start): Mark parameter `set' with ATTRIBUTE_UNUSED. * dbxout.c (flag_minimal_debug, have_used_extensions, source_label_number): Move inside macro wrapper check against defined (DBX_DEBUGGING_INFO) || defined (XCOFF_DEBUGGING_INFO). * dwarf2out.c (gen_entry_point_die): Hide prototype and definition. * except.h (doing_eh): Provide prototype. * expr.c: Move inclusion of expr.h to after insn-config.h. * final.c: Include reload.h. (shorten_branches): Cast the first argument of bzero to char *. * fix-header.c (cpp_print_containing_files): Mark parameter `pfile' with ATTRIBUTE_UNUSED. (cpp_fatal): Likewise. * flow.c (find_basic_blocks_1): Cast the first argument of bzero to char *. * genattrtab.c (make_length_attrs): Change the type of variable `i' from int to size_t. (zero_fn): Mark parameter `exp' with ATTRIBUTE_UNUSED. (one_fn): Likewise. * genextract.c (main): When generating insn-extract.c, mark variable `junk' with ATTRIBUTE_UNUSED. * gengenrtl.c (gencode): When generating genrtl.c, cast the first argument of bzero to char*. * integrate.c: Include toplev.h. * libgcc2.c: Wrap `struct exception_table' and `find_exception_handler' in macro DWARF2_UNWIND_INFO. * objc/Make-lang.in (objc-act.o): Depend on toplev.h. * objc/objc-act.c: Include toplev.h. (lang_print_xnode): Mark parameters `file', `node' and `indent' with ATTRIBUTE_UNUSED. (finish_protocol): Likewise for parameter `protocol'. * output.h (declare_weak): Add prototype. (decode_reg_name): Don't wrap with TREE_CODE macro. (assemble_alias): Add prototype. * regclass.c: Include output.h. * reload.h (reloads_conflict): Add prototype. * rtl.h (print_rtl_single, mark_elimiation, reg_class_subset_p, output_func_start_profiler): Add prototypes. * rtlanal.c (reg_set_p_1): Mark parameters `x' and `pat' with ATTRIBUTE_UNUSED. * scan-decls.c: Include scan.h. * scan.h (recognized_function, recognized_extern): Add prototypes. * stmt.c: Include output.h. * toplev.c (error_for_asm, warning_for_asm): Remove prototypes. (output_lang_identify): Hide prototype and definition. (float_signal): Mark parameter `signo' with ATTRIBUTE_UNUSED. (pipe_closed): Likewise. * toplev.h (count_error, strip_off_ending, error_for_asm, warning_for_asm): Add prototypes. From-SVN: r19712
1998-05-06typo typo fixes fixesJeff Law1-1/+1
From-SVN: r19601
1998-04-24cse.c (cse_set_around_loop): Don't do optimization when new pseudos are created.J"orn Rennecke1-3/+18
* cse.c (cse_set_around_loop): Don't do optimization when new pseudos are created. From-SVN: r19404
1998-04-10cse.c (count_reg_usage): Correctly handle REG_NONNEG notes.Jeffrey A Law1-6/+6
* cse.c (count_reg_usage): Correctly handle REG_NONNEG notes. (delete_trivially_dead_insns): Renamed from delete_dead_from_cse. * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns instead of delete_dead_from_cse. Also call delete_trivially_dead_insns between loop optimization passes. * rtl.h: Updated appropriately. From-SVN: r19100
1998-04-04* Check in merge from gcc2. See ChangeLog.11 and ChangeLog.12Jeff Law1-0/+4
for details. * haifa-sched.c: Mirror recent changes from gcc2. From-SVN: r18984