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2003-05-03emit-rtl.c (last_call_insn, [...]): New functions.Olivier Hainque1-0/+24
* emit-rtl.c (last_call_insn, add_function_usage_to): New functions. * rtl.h (last_call_insn, add_function_usage_to): New prototypes. * builtins.c (expand_builtin_apply): Use the new emit-rtl functions. * calls.c (emit_call_1): Likewise. (expand_call): For calls initializing constant memory, replace emission of standalone mem /u clobber with function usage entry. * expr.c (emit_block_move_via_libcall): Likewise. * cse.c (count_reg_usage, case EXPR_LIST): New case. * flow.c (propagate_one_insn): Pass entire operand of CALL_INSN_FUNCTION_USAGE to mark_used_regs. * integrate.c (try_constants): For CALL_INSNs, substitute constants within the FUNCTION_USAGE also. * loop.c (prescan_loop): Note clobbers of const mem mentioned in FUNCTION_USAGE lists. * reload1.c (replace_pseudos_in): Renamed. (reload): Use it for clobbers surviving until the end of the reload. From-SVN: r66429
2003-04-25re PR rtl-optimization/8705 ([HP-PA] ICE in emit_move_insn_1, at expr.c:3101)John David Anglin1-1/+7
PR opt/8705 * gcse.c (try_replace_reg): On a successful substitution of a constant into a single set, try to simplify the source of the set. * loop.c (scan_loop): Don't try to optimize a MODE_CC set with a constant source. From-SVN: r66060
2003-04-03re PR rtl-optimization/10157 ([Sparc] internal compiler error: in ↵Eric Botcazou1-5/+9
extract_insn, at recog.c:2188) PR optimization/10157 * gcse.c (can_copy_p): Rename it to can_copy. (can_copy_init_p): Remove. (compute_can_copy): Use can_copy instead of can_copy_p. (can_copy_p): New exported function. Call compute_can_copy. (hash_scan_set): Use it. (gcse_main): Don't call compute_can_copy. (bypass_jumps): Don't call compute_can_copy. * rtl.h (can_copy_p): Declare. * loop.c (scan_loop): Don't move the source and add a reg-to-reg copy if the mode doesn't support copy operations. From-SVN: r65210
2003-03-29reload1.c (reload_as_needed): Allow a USE in asm reloads.Alan Modra1-0/+4
* reload1.c (reload_as_needed): Allow a USE in asm reloads. * loop.c: (find_mem_in_note_1, find_mem_in_note): Comment. From-SVN: r64991
2003-03-28loop.c: (find_mem_in_note_1, find_mem_in_note): New functions.Alan Modra1-3/+49
* loop.c: (find_mem_in_note_1, find_mem_in_note): New functions. (replace_loop_mems): Add "written" param. Remove invalid REG_EQUAL notes after hoisting. (load_mems): Adjust replace_loop_mems call. From-SVN: r64950
2003-03-27re PR rtl-optimization/10087 (optimizer produces wrong code when indexing 2D ↵Glen Nakamura1-0/+15
array) PR opt/10087 * gcc.dg/20030324-1.c: New test. PR opt/10087 * loop.c (loop_givs_reduce): Skip bivs with duplicate locations while incrementing giv. (record_biv): Check for duplicate biv locations and set (struct induction *) v->same if found. From-SVN: r64928
2003-03-15rtl.h (subrtx_p): Renamed to rtx_referenced_p.Josef Zlomek1-1/+2
* rtl.h (subrtx_p): Renamed to rtx_referenced_p. (rtx_pair): Added new element update_label_nuses, renamed to replace_label_data. * cfgcleanup.c (outgoing_edges_match, try_crossjump_to_edge): Use replace_label_data instead of rtx_pair. * loop.c (load_mems): Likewise. * rtlanal.c (replace_label): Replace label in pool constants and in INSN_LIST (in REG_LABEL note). (subrtx_p): Renamed to rtx_referenced_p. (subrtx_p_1): Renamed to rtx_referenced_p_1, compare the interior of LABEL_REF with CODE_LABEL, traverse constants from pool. From-SVN: r64419
2003-03-10cfgcleanup.c (outgoing_edges_match): Compare the jump tables.Josef Zlomek1-45/+0
* cfgcleanup.c (outgoing_edges_match): Compare the jump tables. (try_crossjump_to_edge): Replace refereces to one jump table by references to identical jump table. * loop.c (load_mems): Moved setting the JUMP_LABEL to replace_label. (replace_label): Moved to rtlanal.c. (struct rtx_pair): Moved to rtl.h. * rtl.h (struct rtx_pair): Moved from loop.c. (replace_label): New extern function. (subrtx_p): New extern function. (tablejump_p): New extern function. * rtlanal.c (replace_label): Moved from loop.c. (subrtx_p_1): New static function. (subrtx_p): New function. (tablejump_p): New function. From-SVN: r64096
2003-03-08calls.c: Fix comment formatting.Kazu Hirata1-4/+4
* calls.c: Fix comment formatting. * cfgloopanal.c: Likewise. * cfgloopmanip.c: Likewise. * combine.c: Likewise. * dwarf2out.c: Likewise. * ggc-common.c: Likewise. * langhooks.c: Likewise. * loop-unroll.c: Likewise. * loop.c: Likewise. * ra-build.c: Likewise. * sbitmap.c: Likewise. * toplev.c: Likewise. From-SVN: r63966
2003-02-28loop.c (struct movable): Add insert_temp, shrink savemode.Dale Johannesen1-50/+110
2003-02-28 Dale Johannesen <dalej@apple.com> * loop.c (struct movable): Add insert_temp, shrink savemode. (scan_loop): Accept invariants that require copying; mark as insert_temp. (combine_movables): Don't combine insert_temp movables. (move_movables): Insert copies for insert_temp movables. Don't record the info based on regno for insert_temp's. From-SVN: r63572
2003-02-26cse.c (count_reg_usage): Fix handling of REG_EQUAL notes.Zdenek Dvorak1-1/+1
* cse.c (count_reg_usage): Fix handling of REG_EQUAL notes. * Makefile.in (loop-unroll.o): New. * cfgloop.h (UAP_PEEL, UAP_UNROLL, UAP_UNROLL_ALL): New. (unroll_and_peel_loops): Declare. * alias.c (init_alias_analysis): Flag_unroll_loops renamed to flag_old_unroll_loops. * loop.c (loop_invariant_p): Ditto. * unroll.c (unroll_loop): Flag_unroll_all_loops renamed to flag_old_unroll_all_loops. * flags.h (flag_unroll_loops): Renamed to flag_old_unroll_loops. (flag_unroll_all_loops): Renamed to flag_old_unroll_all_loops. * params.def (PARAM_MAX_UNROLLED_INSNS): Default value changed. (PARAM_MAX_AVERAGE_UNROLLED_INSNS, PARAM_MAX_UNROLL_TIMES, PARAM_MAX_PEELED_INSNS, PARAM_MAX_PEEL_TIMES, PARAM_MAX_COMPLETELY_PEELED_INSNS, PARAM_MAX_COMPLETELY_PEEL_TIMES, PARAM_MAX_ONCE_PEELED_INSNS): New. * toplev.h (flag_old_unroll_loops, flag_old_unroll_all_loops): New. (flag_unroll_loops, flag_unroll_all_loops): Used for new unroller instead of old one. (flag_peel_loops): New. (lang_independent_options): The new flags added. (rest_of_compilation): Call new unroller. (process_options): Setup flags for coexistence of old and new unroller. * doc/invoke.texi: Document new options. * doc/passes.texi: Document new unroller pass. From-SVN: r63462
2003-02-26combine.c (combine_simplify_rtx, [...]): Use CC0_P.Roger Sayle1-4/+2
* combine.c (combine_simplify_rtx, simplfy_comparison): Use CC0_P. * cse.c (invalidate_skipped_set): Likewise. * integrate.c (subst_constants): Likewise. * jump.c (reversed_comparison_code_parts): Likewise. * loop.c (canonicalize_condition): Likewise. * simplify-rtx.c (simplify_relational_operation): Likewise. From-SVN: r63446
2003-01-31loop.c (emit_prefetch_instructions): Do conversion at right place in RTL chain.Jan Hubicka1-1/+9
* loop.c (emit_prefetch_instructions): Do conversion at right place in RTL chain. * combine.c (simplify_set): Reverse order of ragumetns to REG_CANNOT_CHANGE_MODE_P * df.c (df_def_record_1): Likewise. * recog.c (register_operand): Likewise. * simplify-rtx.c (simplify_subreg): Likewise. * hard-reg-set.h (REG_CANNOT_CHANGE_MODE_P): Update use of CANNOT_CHANGE_MODE_CLASS. * regclass.c (cannot_change_mode_set_regs, invalid_mode_change_p): Likewise. * reload.c (push_reload): Likewise. * alpha.h (CANNOT_CHANGE_MODE_CLASS): Update definition. * ia64.h (CANNOT_CHANGE_MODE_CLASS): Update definition. * mips.h (CANNOT_CHANGE_MODE_CLASS): Update definition. * mips-protos.h (mips_cannot_change_mode_class): Update prototype. * mips.c (mips_cannot_change_mode_class): Update. * pa64-regs.h (CANNOT_CHANGE_MODE_CLASS): Update definition. * rs6000.h (CANNOT_CHANGE_MODE_CLASS): Update definition. * s390.h (CANNOT_CHANGE_MODE_CLASS): Update definition. * sh.h (CANNOT_CHANGE_MODE_CLASS): Update definition. * sh-protos.h (sh_cannot_change_mode_class): Update prototype. * sh.c (sh_cannot_change_mode_class): Update. * i386.h (CANNOT_CHANGE_MODE_CLASS): New. * tm.texi (CANNOT_CHANGE_MODE_CLASS): Update documentation. From-SVN: r62212
2003-01-28emit-rtl.c (const_double_htab_hash): Use mode in the hash.Dale Johannesen1-3/+5
2003-01-28 Dale Johannesen <dalej@apple.com> * emit-rtl.c (const_double_htab_hash): Use mode in the hash. * loop.c (scan_loop): Move movables on -Os rich-register targets. * config/rs6000/rs6000.md (sibcall*): Use match_operand for LR. From-SVN: r62004
2003-01-28target.h (targetm.address_cost): New.Richard Henderson1-15/+2
* target.h (targetm.address_cost): New. * target-def.h (TARGET_ADDRESS_COST): New. (TARGET_RTX_COSTS): Uncomment. Oops. * cse.c (address_cost): Use new target hook. (default_address_cost): New. * output.h (default_address_cost): Declare. * hooks.c (hook_int_rtx_0): New. * hooks.h (hook_int_rtx_0): Declare. * loop.c (combine_givs_p): Remove if 0 code. * system.h (ADDRESS_COST): Poison. * config/alpha/alpha.c, config/alpha/alpha.h, config/d30v/d30v.c, config/d30v/d30v.h, config/ia64/ia64.c, config/ia64/ia64.h, config/m32r/m32r.c, config/m32r/m32r.h, config/mcore/mcore.c, config/mcore/mcore.h, config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c, config/rs6000/rs6000.h, config/sparc/sparc.c, config/sparc/sparc.h, config/v850/v850.c, config/v850/v850.h, config/xtensa/xtensa.c, config/xtensa/xtensa.h (TARGET_ADDRESS_COST): Define as hook_int_rtx_0. (ADDRESS_COST): Remove. * config/arc/arc-protos.h, config/arc/arc.c, config/arc/arc.h, config/avr/avr-protos.h, config/avr/avr.c, config/avr/avr.h, config/c4x/c4x-protos.h, config/c4x/c4x.c, config/c4x/c4x.h, config/dsp16xx/dsp16xx-protos.h, config/dsp16xx/dsp16xx.c, config/dsp16xx/dsp16xx.h, config/i386/i386-protos.h, config/i386/i386.c, config/i386/i386.h, config/i960/i960-protos.h, config/i960/i960.c, config/i960/i960.h, config/ip2k/ip2k-protos.h, config/ip2k/ip2k.c, config/ip2k/ip2k.h, config/mips/mips-protos.h, config/mips/mips.c, config/mips/mips.h, config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h, config/ns32k/ns32k-protos.h, config/ns32k/ns32k.c, config/ns32k/ns32k.h, config/pa/pa-protos.h, config/pa/pa.c, config/pa/pa.h, config/s390/s390-protos.h, config/s390/s390.c, config/s390/s390.h, config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h (foo_address_cost): Make static. (TARGET_ADDRESS_COST): New. (ADDRESS_COST): Remove. * config/arm/arm.h, config/arm/arm.c, config/m88k/m88k.h, config/m88k/m88k.c, config/romp/romp.h, config/romp/romp.c, config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c, config/stormy16/stormy16.h (ADDRESS_COST): Move code ... (foo_address_cost): ... here. (TARGET_ADDRESS_COST): New. * config/m32r/m32r.c (m32r_address_cost): Remove. * config/m32r/m32r-protos.h: Update. * config/mmix/mmix.c (mmix_address_cost): Remove. * config/mmix/mmix-protos.h: Update. * config/mn10300/mn10300.c (mn10300_address_cost_1): Rename from mn10300_address_cost; move unsig allocation ... (mn10300_address_cost): ... here. (TARGET_ADDRESS_COST): New. * config/mn10300/mn10300-protos.h: Update. * config/mn10300/mn10300.h (ADDRESS_COST): Remove. From-SVN: r61988
2003-01-24cfgloopanal.c: New file.Zdenek Dvorak1-1/+2
* cfgloopanal.c: New file. * cfgloopmanip.c: New file. * Makefile.in (cfgloopanal.o, cfgloopmanip.o): New. (toplev.o, loop.o, doloop.o, unroll.o, cfgloop.o, predict.o, cfglayout.o): Add dependency on cfgloop.h. (cfgloop.o): Add flags.h dependency. * basic-block.h (BB_IRREDUCIBLE_LOOP, BB_SUPERBLOCK): New flags. (VLS_EXPECT_PREHEADERS, VLS_EXPECT_SIMPLE_LATCHES): Removed. (struct loop, struct loops, flow_loops_find, flow_loops_update, flow_loops_free, flow_loops_dump, flow_loop_dump, flow_loop_scan, flow_loop_tree_node_add, flow_loop_tree_node_remove, LOOP_TREE,,LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES, LOOP_ALL, flow_loop_outside_edge_p, flow_loop_nested_p, flow_bb_inside_loop_p, get_loop_body, loop_preheader_edge, loop_latch_edge, add_bb_to_loop, remove_bb_from_loops, find_common_loop, verify_loop_structure): Declarations moved to ... * cfgloop.h: New file. * bb-reorder.c (reorder_basic_blocks): Modified. * cfglayout.c: Include cfgloop.h. (cleanup_unconditional_jumps, cfg_layout_redirect_edge, cfg_layout_duplicate_bb, cfg_layout_initialize): Update loop structure. (break_superblocks): New static function. (cfg_layout_finalize): Use it. (cfg_layout_split_block): New function. * cfglayout.h (struct reorder_block_def): Add copy and duplicated fields. (cfg_layout_initialize, cfg_layout_redirect_edge): Declaration changed. (cfg_layout_split_block): Declare. * cfgloop.c: Include cfgloop.h and flags.h. (flow_loop_dump, flow_loops_free, flow_loop_exit_edges_find, get_loop_body): Avoid signed versus unsigned comparison warnings. (make_forwarder_block, flow_loops_find, loop_preheader_edge, loop_latch_edge): Modified. (verify_loop_structure): Modified to use flags stored in loop structure; check irreducible loops. (cancel_loop, cancel_loop_tree): New functions. (estimate_probability): Use loop analysis code for predictions. (estimate_loops_at_level): Avoid signed versus unsigned comparison warnings. * doloop.c: Include cfgloop.h. * loop.c: Include cfgloop.h. * predict.c: Include cfgloop.h. * toplev.c: Include cfgloop.h. * unroll.c: Include cfgloop.h. * tracer.c (tracer): Modified. From-SVN: r61730
2003-01-18basic-block.h: Fix comment formatting.Kazu Hirata1-1/+1
* basic-block.h: Fix comment formatting. * calls.c: Likewise. * combine.c: Likewise. * convert.c: Likewise. * gcov.c: Likewise. * haifa-sched.c: Likewise. * libgcc2.c: Likewise. * loop.c: Likewise. * profile.c: Likewise. * system.h: Likewise. From-SVN: r61478
2003-01-17ifcvt.c: Fix comment typos.Kazu Hirata1-11/+11
* ifcvt.c: Fix comment typos. * lcm.c: Likewise. * libgcc2.c: Likewise. * local-alloc.c: Likewise. * loop.c: Likewise. * predict.c: Likewise. * ra-build.c: Likewise. * ra.c: Likewise. * ra-colorize.c: Likewise. * ra.h: Likewise. * ra-rewrite.c: Likewise. * regmove.c: Likewise. * reload.h: Likewise. * rtlanal.c: Likewise. * toplev.c: Likewise. * tree.h: Likewise. * unwind-dw2-fde-glibc.c: Likewise. * vmsdbgout.c: Likewise. From-SVN: r61421
2003-01-16arm.h (CONDITIONAL_REGISTER_USAGE): Avoid signed/unsigned warning.Kaveh R. Ghazi1-1/+1
* arm.h (CONDITIONAL_REGISTER_USAGE): Avoid signed/unsigned warning. * emit-rtl.c (gen_rtx_REG, set_mem_attributes_minus_bitpos, init_emit_once): Likewise. * flow.c (mark_regs_live_at_end, calculate_global_regs_live): Likewise. * function.c (assign_stack_temp_for_type): Likewise. * loop.c (loop_invariant_p): Likewise. * recog.c (push_operand): Likewise. * regclass.c (init_reg_sets_1): Likewise. * reload.c (update_auto_inc_notes): Likewise. * reload1.c (reload_as_needed, emit_input_reload_insns): Likewise. * stmt.c (expand_asm_operands): Likewise. * stor-layout.c (start_record_layout): Likewise. cp: * class.c (layout_virtual_bases): Avoid signed/unsigned warning. java: * jcf-write.c (generate_bytecode_insns): Avoid signed/unsigned warning. From-SVN: r61389
2002-12-19re PR rtl-optimization/8988 (gcc3.2 and 3.2.1 with -O2 and -mcpu=i386 ↵Eric Botcazou1-1/+10
generates code that segfaults) PR optimization/8988 * loop.c (maybe_eliminate_biv): Kill REG_EQUAL notes mentioning the biv when eliminating. From-SVN: r60334
2002-12-16Merge basic-improvements-branch to trunkZack Weinberg1-28/+16
From-SVN: r60174
2002-12-13c-decl.c: Fix a comment typo.Kazu Hirata1-1/+1
* c-decl.c: Fix a comment typo. * cfg.c: Likewise. * cfgcleanup.c: Likewise. * cfglayout.c: Likewise. * cfgrtl.c: Likewise. * c-typeck.c: Likewise. * dominance.c: Likewise. * dwarf2asm.c: Likewise. * dwarfout.c: Likewise. * expmed.c: Likewise. * expr.c: Likewise. * final.c: Likewise. * flow.c: Likewise. * function.c: Likewise. * gcc.c: Likewise. * genautomata.c: Likewise. * integrate.c: Likewise. * loop.c: Likewise. * loop.h: Likewise. * output.h: Likewise. * profile.c: Likewise. * ra.h: Likewise. * reload1.c: Likewise. * reload.c: Likewise. * sched-rgn.c: Likewise. * stmt.c: Likewise. * tree.h: Likewise. * vmsdbgout.c: Likewise. From-SVN: r60085
2002-11-20loop.c (record_giv): Initialize not_replaceable.Andreas Jaeger1-1/+6
* loop.c (record_giv): Initialize not_replaceable. (check_final_value): Likewise. From-SVN: r59288
2002-11-04Fix bugs that showed up building Spec on ppc darwin.Dale Johannesen1-0/+7
From-SVN: r58800
2002-10-27combine.c: Fix comment formatting.Kazu Hirata1-1/+1
* combine.c: Fix comment formatting. * loop.c: Likewise. * real.c: Likewise. * regclass.c: Likewise. * regmove.c: Likewise. * regrename.c: Likewise. * reg-stack.c: Likewise. * reload1.c: Likewise. * reload.c: Likewise. * reload.h: Likewise. * unroll.c: Likewise. From-SVN: r58583
2002-10-15re PR rtl-optimization/7409 (loop optimization)Ulrich Weigand1-0/+19
PR opt/7409 * loop.c (loop_regs_scan): Mark registers used for function argument passing as MAY_NOT_OPTIMIZE. From-SVN: r58158
2002-10-09loop.c: Revert 2002-08-15 change.Kaveh R. Ghazi1-6/+6
* loop.c: Revert 2002-08-15 change. (LOOP_REGNO_NREGS): Ensure type is int. From-SVN: r57992
2002-10-07Permit doloop treatment for preconditioned loops.Dale Johannesen1-1/+2
From-SVN: r57902
2002-09-22dbxout.c: Follow spelling conventions.Kazu Hirata1-15/+15
* dbxout.c: Follow spelling conventions. * defaults.h: Likewise. * df.c: Likewise. * diagnostic.h: Likewise. * doloop.c: Likewise. * dwarf2out.c: Likewise. * dwarfout.c: Likewise. * emit-rtl.c: Likewise. * except.c: Likewise. * explow.c: Likewise. * expmed.c: Likewise. * expr.c: Likewise. * expr.h: Likewise. * flags.h: Likewise. * flow.c: Likewise. * fold-const.c: Likewise. * function.c: Likewise. * function.h: Likewise. * gcc.c: Likewise. * gcov-io.h: Likewise. * gcov.c: Likewise. * gcse.c: Likewise. * genattrtab.c: Likewise. * genconfig.c: Likewise. * genrecog.c: Likewise. * ggc-page.c: Likewise. * ggc.h: Likewise. * global.c: Likewise. * gthr-win32.h: Likewise. * integrate.c: Likewise. * jump.c: Likewise. * langhooks.c: Likewise. * langhooks.h: Likewise. * line-map.h: Likewise. * local-alloc.c: Likewise. * longlong.h: Likewise. * loop.c: Likewise. * loop.h: Likewise. From-SVN: r57406
2002-09-16real.c, real.h: Rewrite from scratch.Richard Henderson1-4/+7
gcc/ * real.c, real.h: Rewrite from scratch. * Makefile.in (simplify-rtx.o): Depend on TREE_H. (paranoia): New target. * builtins.c (fold_builtin_inf): Use new real.h interface. * c-common.c (builtin_define_with_hex_fp_value): Likewise. * c-lex.c (interpret_float): Likewise. * emit-rtl.c (gen_lowpart_common): Likewise. * optabs.c (expand_float): Use real_2expN. * config/ia64/ia64.md (divsi3, udivsi3): Likewise. * defaults.h (INTEL_EXTENDED_IEEE_FORMAT): New. (FLOAT_WORDS_BIG_ENDIAN): New. * cse.c (find_comparison_args): Don't pass FLOAT_STORE_FLAG_VALUE directly to REAL_VALUE_NEGATIVE. * loop.c (canonicalize_condition): Likewise. * simplify-rtx.c: Include tree.h. (simplify_unary_operation): Don't handle FIX and UNSIGNED_FIX with floating-point result modes. * toplev.c (backend_init): Call init_real_once. * fold-const.c (force_fit_type): Don't call CHECK_FLOAT_VALUE. * tree.c (build_real): Likewise. * config/alpha/alpha.c, config/vax/vax.c (float_strings, float_values, inited_float_values, check_float_value): Remove. * config/alpha/alpha.h, config/m68hc11/m68hc11.h, config/m88k/m88k.h, config/vax/vax.h (CHECK_FLOAT_VALUE): Remove. * doc/tm.texi (CHECK_FLOAT_VALUE): Remove. gcc/f/ * target.c (ffetarget_real1): Don't pass FFETARGET_ATOF_ directly to ffetarget_make_real1. (ffetarget_real2): Similarly. * target.h (ffetarget_cvt_r1_to_rv_, ffetarget_cvt_rv_to_r2_, ffetarget_cvt_r2_to_rv_): Use new real.h interface and simplify. gcc/java/ * jcf-parse.c (get_constant): Runtime check for IEEE format; use new real.h interface. * jcf-write.c (find_constant_index): Use new real.h interface. * lex.c (IS_ZERO): Use REAL_VALUES_EQUAL. contrib/ * paranoia.cc: New file. From-SVN: r57198
2002-09-16ABOUT-NLS: Follow spelling conventions.Kazu Hirata1-1/+1
* ABOUT-NLS: Follow spelling conventions. * ChangeLog: Likewise. * ChangeLog.1: Likewise. * ChangeLog.2: Likewise. * ChangeLog.3: Likewise. * ChangeLog.4: Likewise. * ChangeLog.5: Likewise. * ChangeLog.6: Likewise. * FSFChangeLog.10: Likewise. * FSFChangeLog.11: Likewise. * c-common.c: Likewise. * c-lex.c: Likewise. * c-objc-common.c: Likewise. * cppexp.c: Likewise. * cppinit.c: Likewise. * cpplex.c: Likewise. * doloop.c: Likewise. * flow.c: Likewise. * function.c: Likewise. * integrate.c: Likewise. * loop.c: Likewise. * reg-stack.c: Likewise. * reload.h: Likewise. * ssa.c: Likewise. From-SVN: r57188
2002-09-14ChangeLog: Follow spelling conventions.Kazu Hirata1-2/+2
* ChangeLog: Follow spelling conventions. * ChangeLog.0: Likewise. * ChangeLog.2: Likewise. * ChangeLog.3: Likewise. * ChangeLog.4: Likewise. * ChangeLog.5: Likewise. * ChangeLog.6: Likewise. * cppfiles.c: Likewise. * cppinit.c: Likewise. * cpplib.h: Likewise. * cse.c: Likewise. * debug.h: Likewise. * df.c: Likewise. * dominance.c: Likewise. * hashtable.c: Likewise. * hashtable.h: Likewise. * loop.c: Likewise. * config/arm/README-interworking: Likewise. * config/arm/arm.c: Likewise. * config/arm/arm.h: Likewise. * config/arm/arm.md: Likewise. * config/dsp16xx/dsp16xx.h: Likewise. * config/frv/frv.c: Likewise. * config/frv/frv.h: Likewise. * config/ip2k/ip2k.h: Likewise. * config/rs6000/rs6000.c: Likewise. * config/stormy16/stormy-abi: Likewise. * config/stormy16/stormy16.h: Likewise. * config/v850/v850.c: Likewise. From-SVN: r57146
2002-09-14* loop.c: Fix a comment typo.Kazu Hirata1-1/+1
From-SVN: r57145
2002-09-08re PR rtl-optimization/6405 (Loop-unrolling related performance regressions)Roger Sayle1-1/+1
PR optimization/6405 * unroll.c (loop_iterations): last_loop_insn should be the previous non-note instruction before loop->end. * loop.c (strength_reduce): The conditional jump is the last non-note instruction before loop->end (as above). From-SVN: r56956
2002-09-08basic-block.h: Fix comment formatting.Kazu Hirata1-1/+1
* basic-block.h: Fix comment formatting. * c-common.c: Likewise. * c-common.h: Likewise. * c-lex.c: Likewise. * c-pretty-print.c: Likewise. * cfglayout.c: Likewise. * cfgloop.c: Likewise. * defaults.h: Likewise. * et-forest.c: Likewise. * explow.c: Likewise. * function.h: Likewise. * gcov.c: Likewise. * genattrtab.c: Likewise. * gengtype.c: Likewise. * ifcvt.c: Likewise. * libgcc2.c: Likewise. * loop.c: Likewise. * profile.c: Likewise. * ra-build.c: Likewise. * real.c: Likewise. * rtl.h: Likewise. * tracer.c: Likewise. * tree-inline.c: Likewise. * varasm.c: Likewise. From-SVN: r56952
2002-09-08emit-rtl.c (set_mem_attributes_minus_bitpos): Fix array_ref handling.Jan Hubicka1-1/+1
2002-09-08 Jan Hubicka <jh@suse.cz> * emit-rtl.c (set_mem_attributes_minus_bitpos): Fix array_ref handling. * loop.c (loop_gics_reduce): Emit addition after. From-SVN: r56950
2002-09-05loop.c (scan_loop): Don't mark separate insns out of a libcall for moving.J"orn Rennecke1-255/+278
gcc: * loop.c (scan_loop): Don't mark separate insns out of a libcall for moving. (move_movables): Abort if we see the first insn of a libcall. gcc/testsuite * gcc.c-torture/execute/loop-14.c: New test. From-SVN: r56823
2002-08-15loop.c (scan_loop, [...]): Cast to avoid signed/unsigned warnings.Kaveh R. Ghazi1-6/+6
* loop.c (scan_loop, move_movables, count_one_set): Cast to avoid signed/unsigned warnings. * regclass.c (init_reg_sets_1, choose_hard_reg_mode, record_reg_classes): Likewise. * reload.c (reload_inner_reg_of_subreg, push_reload, find_reloads_address_1): Likewise. From-SVN: r56350
2002-08-05Index: ChangeLogGeoffrey Keating1-1/+0
2002-08-05 Geoffrey Keating <geoffk@redhat.com> * attribs.c: Don't include obstack.h. * builtins.c: Likewise. * cfganal.c: Likewise. * cfgbuild.c: Likewise. * cfgcleanup.c: Likewise. * emit-rtl.c: Likewise. * loop.c: Likewise. * stmt.c: Likewise. Index: cp/ChangeLog 2002-08-05 Geoffrey Keating <geoffk@redhat.com> * class.c: Don't include obstack.h. (popclass): * decl2.c: Delete bogus comment. * error.c: Don't include obstack.h. * except.c: Likewise. (dump_type): Correct comment. * method.c: Don't include obstack.h. * tree.c: Likewise. Index: java/ChangeLog 2002-08-05 Geoffrey Keating <geoffk@redhat.com> * mangle_name.c: Don't include obstack.h twice. * xref.c: Don't include obstack.h. From-SVN: r56055
2002-07-23genautomata.c (VLA_HWINT_SHORTEN, [...]): Remove.Neil Booth1-9/+0
* genautomata.c (VLA_HWINT_SHORTEN, VLA_HWINT_LAST): Remove. * df.c (HANDLE_SUBREG, FOR_EACH_BB_IN_BITMAP_REV, FOR_EACH_BB_IN_SBITMAP): Remove. * gcse.c (NEVER_SET, FOLLOW_BACK_EDGES): Remove. * haifa-sched.c (DONE_PRIORITY, MAX_PRIORITY, TAIL_PRIORITY, LAUNCH_PRIORITY, DONE_PRIORITY_P, LOW_PRIORITY_P): Remove. * loop.c (PREFETCH_BLOACK_IN_LOOP_MIN, PREFETCH_LIMIT_TO_SIMULTANEOUS): Remove. * regrename.c (REGNO_MODE_OK_FOR_BASE_P): Remove. From-SVN: r55685
2002-07-23defaults.h (obstack_chunk_alloc, [...]): Default definition.Neil Booth1-3/+0
* defaults.h (obstack_chunk_alloc, obstack_chunk_free): Default definition. * gcse.c: Don't define obstack_chunk_free. * collect2.c, conflict.c, df.c, diagnostic.c, fix-header.c, flow.c, gcc.c, genattrtab.c, genautomata.c, genflags.c, gensupport.c, integrate.c, loop.c, ra.c, read-rtl.c, regrename.c, reload1.c, reorg.c, tlink.c, tree.c, config/arm/arm.c, objc/objc-act.c: Don't define obstack macros. cp: * class.c, method.c, pt.c, search.c: Similarly. From-SVN: r55665
2002-07-21loop.h (LOOP_AUTO_UNROLL): Rename from LOOP_FIRST_PASS.Richard Henderson1-1/+1
* loop.h (LOOP_AUTO_UNROLL): Rename from LOOP_FIRST_PASS. * loop.c (strength_reduce): Update. * toplev.c (rest_of_compilation): Do unrolling in the first loop pass, not the second. From-SVN: r55634
2002-07-19* loop.c (loop_givs_rescan): Delete the REG_EQUAL note, not the insn.Richard Henderson1-6/+8
From-SVN: r55590
2002-07-17re PR rtl-optimization/6713 (Regression wrt 3.0.4: g++ -O2 leads to seg ↵Eric Botcazou1-2/+12
fault at run time) PR optimization/6713 * loop.c (loop_givs_rescan): Explicitly delete the insn that sets a non-replaceable giv after issuing the new one. Co-Authored-By: Glen Nakamura <glen@imodulo.com> From-SVN: r55539
2002-06-14loop.c (check_final_value): Use v->always_executed instead of ↵Eric Botcazou1-1/+2
v->always_computable. * loop.c (check_final_value): Use v->always_executed instead of v->always_computable. * unroll.c (final_giv_value): Don't calculate the final value as a function of the biv if the giv is not computed for every loop iteration. From-SVN: r54634
2002-06-14* loop.c (for_each_insn_in_loop): Fix formatting and comments.Eric Botcazou1-9/+6
From-SVN: r54633
2002-06-11* loop.c (loop_regs_scan): Avoid useless generation of REG objects.Jeff Law1-1/+1
From-SVN: r54513
2002-06-11Delete SEQUENCE rtl usage outside of reorg and ssa passes.David S. Miller1-47/+54
2002-06-05 David S. Miller <davem@redhat.com> Delete SEQUENCE rtl usage outside of reorg and ssa passes. * rtl.h (gen_sequence, emit_insns, emit_insns_before, emit_insns_before_scope, emit_insns_after, emit_insns_after_scope): Delete declaration. * ada/misc.c (insert_code_for): Use emit_insn* instead of emit_insns_foo. * config/alpha/alpha.c (alpha_set_memflags_1): Abort on SEQUENCE. (alpha_set_memflags): Fix comment. (set_frame_related_p): Use get_insns instead of gen_sequence. * config/alpha/alpha.md (setjmp receiver splitter): Avoid emitting no insns. * config/arm/arm.c (arm_finalize_pic): Use get_insns instead of gen_sequence. (arm_gen_load_multiple, arm_gen_store_multiple): Likewise. * config/fr30/fr30.c (fr30_move_double): Likewise. * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_movstr): Likewise. * config/ia64/ia64.c (spill_restore_mem): Likewise. * config/ia64/ia64.md (conditional move spliiter): Avoid emitting no insns. * config/m32r/m32r.c (gen_split_move_double): Use get_insns instead of gen_sequence. * config/mips/mips.c (embedded_pic_fnaddr_reg): Likewise. (mips_expand_prologue, mips16_gp_pseudo_reg): Likewise. * config/sh/sh.c (sh_need_epilogue): Likewise. * config/sparc/sparc.md (current_function_calls_alloca, flat): New attributes. (setjmp pattern and split): Use them to avoid splitter which emits no RTL. * genattrtab.c (main): Emit include of function.h * config/stormy16/stormy16.c (xstormy16_split_cbranch): Use get_insns instead of gen_sequence. * config/cris/cris.c (cris_split_movdx): Likewise. * emit-rtl.c (emit_insns*): Kill. (try_split): Expect insn list instead of SEQUENCE. (make_jump_insn_raw, make_call_insn_raw): Fix comments. (emit_*insn*): Reimplement to work with INSN lists and PATTERNs. Make them abort if a SEQUENCE is given and RTL checking is enabled. (emit_*_scope): Don't forget to set scope on final insn. (gen_sequence): Move from here... * ssa.c (gen_sequence): To here as private function. * builtins.c (expand_builtin_apply_args): Use emit_insn_foo, fix comments. (expand_builtin_return, expand_builtin_mathfn): Likewise. (expand_builtin_strlen): Use get_insns instead of gen_sequence. (expand_builtin_saveregs): Use emit_insn_foo, fix comments. (expand_builtin_expect_jump): Use get_insns and fix comments. * calls.c (try_to_integrate): Use emit_insn_foo. (expand_call, emit_library_call_value_1): Likewise. * expr.c (emit_queue): Handle insn lists instead of SEQUENCE. (emit_move_insn_1): Use get_insns instead of gen_sequence. (expand_expr): Use emit_insn_foo. * cfgrtl.c (commit_one_edge_insertion): Use emit_insn_foo. * except.c (build_post_landing_pads): Likewise. * flow.c (attempt_auto_inc): Likewise. * stmt.c (expand_fixup, fixup_gotos, expand_nl_handler_label, expand_nl_goto_receivers, expand_decl_cleanup): Likewise. * function.c (fixup_var_refs_insn): Use get_insns instead of gen_sequence. (fixup_var_refs_1): Likewise and expect insn list from gen_foo. (fixup_memory_subreg): Use get_insns instead of gen_sequence. (fixup_stack_1, purge_addressof_1, expand_main_function, get_arg_pointer_save_area): Likewise. (optimize_bit_field, instantiate_virtual_regs_1, assign_parms, expand_function_end): Use emit_insn_foo. (record_insns, keep_stack_depressed): Work with insn list instead of SEQUENCE, fix comments. * ifcvt.c (noce_emit_store_flag, noce_try_store_flag, noce_try_store_flag_constants, noce_try_store_flag_inc, noce_try_store_flag_mask, noce_emit_cmove, noce_try_cmove_arith, noce_try_minmax, noce_try_abs): Use emit_insn_foo. (noce_process_if_block): Use get_insns instead of gen_sequence. * optabs.c (add_equal_note): Work with insn list, fix comments. (expand_binop): Expect insn list from GEN_FCN(), use emit_insn_foo. (expand_unop, expand_complex_abs, expand_unop_insn, expand_no_conflict_block): Likewise. (gen_move_insn): Use get_insns instead of gen_sequence. (gen_cond_trap): Likewise. * integrate.c (copy_rtx_and_substitute): Likewise. (emit_initial_value_sets): Use emit_insn_foo. * reload1.c (emit_output_reload_insns, emit_reload_insns): Likewise. (fixup_abnormal_edges): Avoid losing REG_NOTES more intelligently now that RTL generators give insn lists. * sibcall.c (replace_call_placeholder): Use emit_insn_foo. * doloop.c (doloop_modify, doloop_modify_runtime): Use get_insns instead of gen_sequence. (doloop_optimize): Work with insn lists instead of SEQUENCE rtl. * explow.c (emit_stack_save, emit_stack_restore): Use get_insns instead of gen_sequence. * loop.c (move_movables, emit_prefetch_instructions, gen_add_mult, check_dbra_loop, gen_load_of_final_value): Likewise. (loop_regs_update): Work with insn list instead of SEQUENCE rtl. (product_cheap_p): Likewise, and add commentary about RTL wastage here. * lcm.c (optimize_mode_switching): Use get_insns instead of gen_sequence. * profile.c (gen_edge_profiler): Likewise. * regmove.c (copy_src_to_dest): Likewise. * reg-stack.c (compensate_edge): Likewise and fix comment. * gcse.c (process_insert_insn): Likewise. (insert_insn_end_bb): Work with insn list instead of SEQUENCE rtl. * jump.c (delete_prior_computation): Update comment. * genemit.c (gen_expand, gen_split, main): Use get_insns instead of gen_sequence, update comments to match. * recog.c (peephole2_optimize): Work with insn lists instead of SEQUENCE rtl. * sched-vis.c (print_pattern): Abort on SEQUENCE. * unroll.c (unroll_loop, find_splittable_givs, final_giv_value): Use get_insns instead of gen_sequence. (copy_loop_body): Likewise and don't emit dummy NOTE. * genrecog.c: Don't mention SEQUENCE rtl in comments. * combine.c (try_combine): Expect insn lists from split generator. * reorg.c (relax_delay_slots): Emit SEQUENCE into insn list by hand. From-SVN: r54497
2002-06-02loop.c (emit_prefetch_instructions): Properly place the address computation.Jan Hubicka1-10/+7
* loop.c (emit_prefetch_instructions): Properly place the address computation. * basic-block.h (basic_block_for_insn, BLOCK_FOR_INSN): Kill. (set_block_for_insn): Turn into macro. * cfgbuild.c (find_basic_block): Do not clear basic_block_for_insn. * cfglayout.c (insn_scopes): Kill. (scope_to_insns_initialize): Do not use insn_scopes. (scope_to_insns_finalize): Likewise. (duplicate_insn_chain): Likewise. (cfg_layout_initialize, cfg_layout_finalize): Do not turn scopes to notes. * cfgrtl.c (basic_block_for_insn): Kill. (delete_insn_and_edges, delete_insn_chain_and_edges): Simplify. (create_basic_block_structure): Use reorder_insns. (compute_bb_for_insn): Do not use basic_block_for_insn. (merge_blocks_nomove): Likewise. (update_bb_for_insn): Likewise. (verify_flow_info): Likewise. (set_block_for_insn): Kill. * combine.c (try_combine): Update gen_rtx_INSN call. * emit-rtl.c (gen_label_rtx): Update gen_rtx_CODE_LABEL call. (mark_insn_raw, make_jump_insn_raw, make_call_insn_raw): Clear scopes and BBs. (add_insn_after, add_insn_before, remove_insn, reorder_insns): Simplify. (emit_note_before, emit_note_after, emit_line_note_after, emit_note): Clear BB. (emit_insns_after): Simplify. (emit_copy_of_insn_after): Copy scope. * final.c (final_start_function): Lower scopes. * flow.c (check_function_return_warnings): Do not rely on deleted insn. * integrate.c (copy_insn_list): Cope scopes. * jump.c (duplicate_loop_exit_test): LIkewise; simplify. * loop.c (loop_optimize): Do not care block notes. * print-rtl.c (print_rtx): Print BB. * recog.c (apply_change_group): Simplify. * rtl.c (copy_rtx): Handle 'B'. * rtl.def (INSN, CALL_INSN, JUMP_INSN, NOTE): Add extra fields. * rtl.h (Field accessors): Update indexes. * sched-ebb.c (schedule_ebbs): Do not lower notes. * sched-rgn.c (schedule_insns): Likewise. * toplev.c (rest_of_compilation): Lower notes. * unroll.c (unroll_loop): Do not care scoping notes. (copy_loop_body): Copy scopes. From-SVN: r54188
2002-05-30expmed.c (const_mult_add_overflow_p): New.Eric Botcazou1-6/+21
* expmed.c (const_mult_add_overflow_p): New. * expr.h: Declare it. * loop.c (maybe_eliminate_biv_1) [COMPARE]: Use it. Don't eliminate the biv if the giv has a constant multiplier and the rhs argument of the comparison does satisfy the predicate. Use expand_mult_add to compute the replacement constant. From-SVN: r54075
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