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2004-02-06flow.c (update_life_info): Allocate reg_deaths when called from scheudler.Jan Hubicka1-8/+18
* flow.c (update_life_info): Allocate reg_deaths when called from scheudler. (attempt_auto_inc): Update life ranges accordingly. From-SVN: r77415
2004-02-06recog.c (split_all_insns): Do not update reg info.Jan Hubicka1-6/+70
* recog.c (split_all_insns): Do not update reg info. * regrename.c (regrename_optimize): Likewise. * toplev.c (rest_of_handle_reorder_blocks): Likewise. * flow.c (struct propagate_block_info): Add insn_num field. (reg_deaths): New array. (life_analysis): Free reg_deaths info. (allocate_reg_life_data): Allocate reg_deaths array. (propagate_one_insn): Use new array. (init_propagate_block): Initialize it. (free_propagate_block_info): Finish compuation of REG_LIVE_LENGTH (attempt_auto_inc): Sanity check that REG_INFO is not computed at same time. (mark_used_regs): Update new array. * reg-stack.c (subst_stack_regs): Unshare clobbers before substitution. From-SVN: r77396
2004-02-02alias.c (record_set): Use hard_regno_nregs.Jan Hubicka1-6/+6
* alias.c (record_set): Use hard_regno_nregs. * bt-load.c (find_btr_reference, note_btr_set): Likewise. * builtins.c (apply_args_size): Likewise. * caller-save.c (setup_save_areas, save_call_clobbered_regs, mark_set_regs, add_stored_regs, mark_referenced_regs, insert_restore, insert_save, insert_one_insn): Likewise. * cfgcleanup.c: Include regs.h (mark_effect, mentions_nonequal_regs): Likewise. * cfgrtl.c (mark_killed_regs): Likewise * combine.c (update_table_tick, record_value_for_reg, record_dead_and_set_regs, get_last_value_validate, use_crosses_set_p, reg_dead_at_p_1, reg_dead_at_p, mark_used_regs_combine, move_deaths, reg_bitfield_target_p, distribute_notes): Likewise. * cse.c (mention_regs, insert, invalidate, invalidate_for_call, exp_equiv_p, cse_insn): Likewise. * cselib.c (cselib_lookup): Likewise. (cselib_invalidate_regno, cselib_record_set): Likewise. * df.c (df_ref_record): Likewise. * dwarf2out.c (reg_loc_descriptor, multiple_reg_loc_descriptor): Likewise. * flow.c (mark_reg, insn_dead_p, mark_set_1, mark_used_reg, count_or_remove_death_notes_bb): Likewise. * function.c (aggregate_value_p, keep_stack_depressed): Likewise. * gloval.c (global_alloc, find_reg, mark_reg_store, mark_reg_conflicts, mark_reg_death, set_preference, reg_becomes_live, reg_dies): Likewise. * integrate.c (mark_stores): Likewise. * jump.c (delete_prior_computation): Likewise. * lcm.c (reg_dies, reg_becomes_live): Likewise. * local-alloc.c (combine_regs, find_free_reg, post_mark_life): Likewise. * loop.c (LOOP_REGNO_NREGS): Likewise. * postreload.c (reload_combine, reload_combine_note_store, reload_combine_note_use, reload_cse_move2add, move2add_note_store): Likewise. * ra-colorize.c (combine, color_usable_p, get_free_reg, calculate_dont_begin, calculate_dont_begin, colorize_one_web, try_recolor_web, insert_coalesced_conflicts, check_colors, break_precolored_alias): Likewise. * ra-debug.c: Include regs.h (ra_print_rtx_object): Likewise. * ra-rewrite (choose_spill_colors): Likewise. (spill_same_color_p, update_spill_colors, spill_is_free): Likewise. * ra.c (init_ra): Likewise. * recog.c (reg_fits_class_p, peep2_reg_dead_p, peep2_find_free_register): Likewise. * reg-stack.c (subst_stack_regs_pat, convert_regs_exit): Likewise. * regclass.c (hard_regno_nregs): New array. (init_reg_modes_once): Initialize it. (choose_hard_reg_mode): Use it. (record_reg_classes): Likewise. * regmove.c (mark_flags_life_zones): Likewise. * regrename.c (note_sets, clear_dead_regs, regrename_optimize, scan_rtx_reg, dump_def_use_chain, kill_value, set_value_regno, copy_value, maybe_mode_change, find_oldest_value_reg, copyprop_hardreg_forward_1): * regs.h (hard_regno_nregs): Declare. * realod.c (reload_inner_reg_of_subreg): Use it. (push_reload, combine_reloads, find_dummy_reload, hard_reg_set_here_p, operands_match_p, decompose, find_reloads, refers_to_regno_for_reload_p, find_equiv_reg, regno_clobbered_p, reload_adjust_reg_for_mode): Likewise. * reload1.c (compute_use_by_pseudos, count_pseudo, count_spilled_pseudo, find_reg, find_reload_regs, mark_home_live, spill_hard_reg, forget_old_reloads_1, mark_reload_reg_in_use, clear_reload_reg_in_use, reload_reg_free_for_value_p, free_for_value_p allocate_reload_reg, choose_reload_regs, emit_reload_insns, delete_output_reload): Likewise. * resource.c (update_live_status, mark_referenced_resources, mark_set_resources, mark_target_live_regs): Likewise. * rtlanal.c: Include regs.h (refers_to_regno_p, reg_overlap_mentioned_p, dead_or_set_p, dead_or_set_regno_p, find_regno_note, find_reg_fusage, subreg_regno_offset, subreg_offset_representable_p, hoist_test_store): Likewise. * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise. * sched-rgn.c (check_live_1, update_live_1): Likewise. * stmt.c: Include regs.h (decl_conflicts_with_clobbers_p): Likewise. * varasm.c (make_decl_rtl): Likewise. * Makefile.in (cfgcleanup.o, rtlanal.o, ra-debug.o): Add regs.h dependnecy. From-SVN: r77088
2004-01-31alloc-pool.c, c-lex.c, c-pragma.h, c-semantics.c, cfghooks.c,Kazu Hirata1-1/+1
cfghooks.h, cfglayout.c, cfgloopmanip.c, debug.c, debug.h, flow.c, genextract.c, ggc-common.c, ggc-page.c, ggc.h, ifcvt.c, jump.c, loop-unswitch.c, timevar.c, timevar.def, tree-optimize.c, vmsdbgout.c, config/fp-bit.c, config/alpha/alpha.c, config/alpha/alpha.h, config/alpha/alpha.md, config/alpha/unicosmk.h, config/alpha/vms.h, config/arm/linux-elf.h, config/avr/avr.c, config/c4x/c4x-protos.h, config/c4x/c4x.md, config/d30v/d30v.h, config/frv/frv.md, config/frv/frvbegin.c, config/frv/frvend.c, config/i386/cygming.h, config/i386/djgpp.h, config/i386/emmintrin.h, config/i386/gthr-win32.c, config/i386/i386-interix.h, config/i386/i386-protos.h, config/i386/openbsd.h, config/i386/winnt.c, config/i386/xm-mingw32.h, config/i386/xmmintrin.h, config/ia64/ia64.md, config/iq2000/iq2000.md, config/m32r/m32r.md, config/m68k/m68k.md, config/mcore/mcore-elf.h, config/mcore/mcore.md, config/mips/elf.h, config/mips/elf64.h, config/mips/iris5gas.h, config/mips/iris6.h, config/mips/iris6gas.h, config/mips/linux.h, config/mips/mips.md, config/mips/netbsd.h, config/mips/openbsd.h, config/mips/windiss.h, config/pa/fptr.c, config/rs6000/aix.h, config/rs6000/altivec.h, config/rs6000/darwin.h, config/rs6000/xcoff.h, config/s390/s390-protos.h, config/s390/s390.c, config/s390/s390.h, config/s390/s390.md, config/sh/netbsd-elf.h, config/sh/sh.h, config/sh/vxworks.h, config/sparc/sol2.h: Update copyright. From-SVN: r77018
2004-01-29Makefile.in (cfghooks.o): Add TIMEVAR_H and toplev.h dependency.Zdenek Dvorak1-3/+3
* Makefile.in (cfghooks.o): Add TIMEVAR_H and toplev.h dependency. * basic-block.h (tidy_fallthru_edge, tidy_fallthru_edges, dump_bb, verify_flow_info): Declaration removed. * cfg.c (verify_flow_info, dump_bb): Moved to cfghooks.c. (debug_bb, debug_bb_n): Add argument to dump_bb call. * cfgcleanup.c (try_simplify_condjump, try_crossjump_to_edge, try_optimize_cfg, delete_unreachable_blocks): Use delete_basic_block instead of delete_block. * cfghooks.c: Include timevar.h and toplev.h. (cfg_hooks): Define here. (verify_flow_info, dump_bb): Moved from cfg.c. (redirect_edge_and_branch, redirect_edge_and_branch_force, split_block, split_block_after_labels, move_block_after, delete_basic_block, split_edge, create_basic_block, create_empty_bb, can_merge_blocks_p, merge_blocks, make_forwarder_block, tidy_fallthru_edge, tidy_fallthru_edges): New functions. * cfghooks.h (struct cfg_hooks): Added fields name, make_forwarder_block, tidy_fallthru_edge and move_block_after. Changed type of verify_flow_info, dump_bb, split_block fields. Renamed cfgh_split_edge and delete_block fields. (redirect_edge_and_branch, redirect_edge_and_branch_force, split_block, delete_block, split_edge, create_basic_block, can_merge_blocks_p, merge_blocks): Macros removed. (cfg_hooks): Do not export. (verify_flow_info, dump_bb, redirect_edge_and_branch, redirect_edge_and_branch_force, split_block, split_block_after_labels, move_block_after, delete_basic_block, split_edge, create_basic_block, create_empty_bb, can_merge_blocks_p, merge_blocks, make_forwarder_block, tidy_fallthru_edge, tidy_fallthru_edges): Declare. (cfg_layout_rtl_cfg_hooks): Declare. * cfgloop.c (update_latch_info, mfb_keep_just, mfb_keep_nonlatch): New functions. (canonicalize_loop_headers): Use new semantics of make_forwarder_block. (redirect_edge_with_latch_update): Removed. (make_forwarder_block): Moved to cfghooks.c, semantics changed. * cfgloopmanip.c (remove_bbs): Do not update dominators here. * cfgrtl.c (cfg_layout_split_block, rtl_split_block, rtl_dump_bb, rtl_delete_block, rtl_split_block, rtl_merge_blocks, tidy_fallthru_edge, rtl_split_edge, cfg_layout_delete_block, cfg_layout_merge_blocks, cfg_layout_split_edge): Partly moved to cfghooks.c. (rtl_create_basic_block): Coding style fix. (rtl_tidy_fallthru_edge, rtl_move_block_after, rtl_make_forwarder_block): New functions. (update_cfg_after_block_merging): Removed. (rtl_cfg_hooks, cfg_layout_rtl_cfg_hooks): Fill in new entries. * flow.c (verify_wide_reg, verify_local_live_at_start): Add argument to dump_bb. * ifcvt.c (merge_if_block, find_cond_trap, find_if_case_1, find_if_case_2): Don't update dominators. * timevar.def (TV_CFG_VERIFY): New. * loop-unswitch.c (unswitch_loop): Don't call add_to_dominance_info. * cfglayout.c (copy_bbs): Don't call add_to_dominance_info. * cfgloopmanip.c (split_loop_bb): Don't update dominators. (remove_bbs): Don't call remove_bbs. (create_preheader): Use make_forwarder_block. (mfb_keep_just, mfb_update_loops): New static functions. From-SVN: r76851
2004-01-25c-common.h: Fix comment typos.Kazu Hirata1-1/+1
* c-common.h: Fix comment typos. * c-decl.c: Likewise. * cgraphunit.c: Likewise. * combine.c: Likewise. * et-forest.c: Likewise. * flow.c: Likewise. * function.c: Likewise. * ifcvt.c: Likewise. * integrate.c: Likewise. * jump.c: Likewise. * postreload.c: Likewise. * varray.c: Likewise. From-SVN: r76539
2003-12-19Patch for asm clobber of fp.James E Wilson1-1/+7
* flow.c (mark_set_regs, case PARALLEL): Scan loop forwards. Add case for ASM_OPERANDS. * global.c (global_alloc): Set regs_ever_live for regs_asm_clobbered registers. From-SVN: r74869
2003-12-16flow.c (EXIT_IGNORE_STACK): Move to ...Kazu Hirata1-8/+0
* flow.c (EXIT_IGNORE_STACK): Move to ... * defaults.h (EXIT_IGNORE_STACK): ... here. * dojump.c (clear_pending_stack_adjust): Don't use #ifdef EXIT_IGNORE_STACK. * function.c (expand_function_end): Likewise. * global.c (global_alloc): Likewise. * ra.c (init_ra): Likewise. * reload1.c (init_elim_table): Likewise. * reorg.c (fill_simple_delay_slots): Likewise. * resource.c (init_resource_info): Likewise. * doc/tm.texi (EXIT_IGNORE_STACK): Document that the default is 0. From-SVN: r74654
2003-12-13c-typeck.c: Fix comment typos.Kazu Hirata1-2/+2
* c-typeck.c: Fix comment typos. * calls.c: Likewise. * cfgcleanup.c: Likewise. * cgraph.h: Likewise. * dwarfout.c: Likewise. * emit-rtl.c: Likewise. * explow.c: Likewise. * expr.c: Likewise. * flow.c: Likewise. * function.c: Likewise. * gcc.c: Likewise. * ggc-zone.c: Likewise. * ifcvt.c: Likewise. * local-alloc.c: Likewise. * predict.c: Likewise. * pretty-print.c: Likewise. * profile.c: Likewise. * ra-colorize.c: Likewise. * sched-vis.c: Likewise. * stor-layout.c: Likewise. From-SVN: r74594
2003-12-11basic-block.h (BLOCK_HEAD, BLOCK_END): Remove.Steven Bosscher1-15/+15
2003-12-11 Steven Bosscher <steven@gcc.gnu.org> * basic-block.h (BLOCK_HEAD, BLOCK_END): Remove. (BLOCK_HEAD_TREE, BLOCK_END_TREE): Remove. (basic_block_def): Rename `head' to `head_' and `end' to `end_'. (BB_HEAD, BB_END): New accessor macros for the `head_' and `end_' fields of a basic block. * bb-reorder.c, bt-load.c, caller-save.c, cfg.c, cfganal.c, cfgbuild.c, cfgcleanup.c, cfglayout.c, cfgloop.c, cfgloopanal.c, cfgloopmanip.c, cfgrtl.c, combine.c, conflict.c, df.c, emit-rtl.c, final.c, flow.c, function.c, gcse.c, global.c, graph.c, haifa-sched.c, ifcvt.c, lcm.c, local-alloc.c, loop-unswitch.c, loop.c, postreload.c, predict.c, profile.c, ra-build.c, ra-debug.c, ra-rewrite.c, ra.c, recog.c, reg-stack.c, regclass.c, regmove.c, regrename.c, reload1.c, resource.c, sched-ebb.c, sched-rgn.c, sibcall.c, tracer.c, config/frv/frv.c, config/i386/i386.c, config/ia64/ia64.c: Use the BB_HEAD and BB_END macros instead of accessing the `head' and `end' fields of a basic block directly. * gengtype.c: Add missing piece from earlier patch. Dunno what I was thinking... From-SVN: r74520
2003-12-09defaults.h (LOCAL_REGNO): Give the default definition.Kazu Hirata1-3/+0
* defaults.h (LOCAL_REGNO): Give the default definition. * flow.c (LOCAL_REGNO): Remove. * reload1.c (LOCAL_REGNO): Likewise. From-SVN: r74456
2003-12-06re PR rtl-optimization/13169 (asm using r30 or r31 confuses global_alloc)Alan Modra1-7/+32
PR 13169 * basic-block.h (PROP_ASM_SCAN): Define. * final.c (regs_asm_clobbered): New array. * regs.h (regs_asm_clobbered): Declare. * flow.c (life_analysis): Init it. (mark_set_regs): Set PROP_ASM_SCAN for asms. (mark_set_1): Set regs_asm_clobbered. * global.c (global_alloc): Don't set eliminable_regset when regs_asm_clobbered. From-SVN: r74363
2003-12-01flow.c (count_or_remove_death_notes_bb): New.Jeff Law1-41/+72
* flow.c (count_or_remove_death_notes_bb): New. Extracted from count_or_remove_death_notes. (count_or_remove_death_notes): Use EXECUTE_IF_SET_IN_SBITMAP. From-SVN: r74111
2003-11-22flow.c (update_life_info): Amend comment about when a register can become dead.J"orn Rennecke1-0/+3
* flow.c (update_life_info): Amend comment about when a register can become dead. From-SVN: r73838
2003-11-20ssa.c, [...]: Remove files.Richard Henderson1-32/+0
* ssa.c, ssa-dce.c, ssa-ccp.c: Remove files. * Makefile.in (OBJS-common, GTFILES): Don't reference them. (gtype-desc.o, toplev.o, flow.o): Remove ssa.h. (ssa.o, ssa-dce.o, ssa-ccp.o): Remove. * flow.c: Don't include ssa.h. (set_phi_alternative_reg): Remove. (calculate_global_regs_live): Don't call it. (mark_used_regs): Don't handle PHI. * gengtype.c (open_base_files): Don't reference ssa.h. * rtl.def (PHI): Remove. * timevar.def (TV_TO_SSA, TV_SSA_CCP, TV_SSA_DCE, TV_FROM_SSA): Kill. * common.opt: Remove -fssa, -fssa-ccp, -fssa-dce. * opts.c (common_handle_option): Likewise. * toplev.c (f_options): Likewise. (DFI_ssa, DFI_ssa_ccp, DFI_ssa_dce, DFI_ussa): Remove. (dump_file): Update to match. (flag_ssa, flag_ssa_ccp, flag_ssa_dce): Remove. (rest_of_handle_ssa): Remove. (rest_of_compilation): Don't call it. * toplev.h (flag_ssa, flag_ssa_dce, flag_ssa_ccp): Remove. * doc/invoke.texi: Remove -fssa, -fssa-ccp, -fssa-dce. * doc/passes.texi (SSA optimizations): Remove. * gcc.dg/20020201-2.c: Remove. * gcc.dg/20020201-4.c: Remove. * gcc.dg/20020304-1.c: Remove. From-SVN: r73789
2003-10-17flow.c (init_propagate_block_info): Don't abort if a conditional jump is not ↵Richard Earnshaw1-37/+42
a comparison of a register. * flow.c (init_propagate_block_info): Don't abort if a conditional jump is not a comparison of a register. Instead, just don't record conditional life information. From-SVN: r72594
2003-09-12re PR rtl-optimization/8967 (Making class data members `const' pessimizes code)Roger Sayle1-9/+2
PR optimization/8967 * alias.c (write_dependence_p): Modify to take an additional constp argument that controls whether the UNCHANGING_RTX_P flags are used. (anti_dependence, output_dependence): Adjust write_dependence_p callers to pass this additional argument, to return the same result. (unchanging_anti_dependence): New variant of anti_dependence that ignores the UNCHANGING_RTX_P property on memory references. * rtl.h (unchaning_anti_dependence): Prototype here. * flow.c (init_propagate_block): Place fake constant mem writes on the mem_set_list so that dead writes to const variables are deleted. (insn_dead_p): Change anti_dependence to unchanging_anti_dependence. (mark_used_regs): Likewise. From-SVN: r71332
2003-07-19alias.c [...]: Remove unnecessary casts.Kaveh R. Ghazi1-5/+5
* alias.c alloc-pool.c bitmap.c bitmap.h bt-load.c builtins.c c-common.c c-decl.c c-incpath.c c-lex.c c-opts.c c-parse.in c-pragma.c c-typeck.c calls.c cfg.c cfganal.c cfgloop.c cfgrtl.c collect2.c combine.c conflict.c coverage.c cppexp.c cppfiles.c cpphash.c cppinit.c cpplex.c cpplib.c cppmacro.c cppspec.c cpptrad.c cse.c cselib.c dbxout.c defaults.h df.c dominance.c dwarf2out.c dwarfout.c emit-rtl.c except.c expmed.c expr.c final.c fix-header.c flow.c fold-const.c function.c gcc.c gccspec.c gcov.c gcse.c genattr.c genattrtab.c genautomata.c genconditions.c genemit.c genextract.c genoutput.c genrecog.c gensupport.c ggc-page.c ggc-simple.c global.c graph.c haifa-sched.c hashtable.c integrate.c jump.c langhooks.c lcm.c line-map.c local-alloc.c loop.c mips-tdump.c mips-tfile.c mkdeps.c optabs.c params.c postreload.c prefix.c print-tree.c protoize.c ra-build.c ra-colorize.c ra-rewrite.c ra.c recog.c reg-stack.c regclass.c regmove.c regrename.c reload.c reload1.c reorg.c resource.c sbitmap.c sched-deps.c sched-rgn.c sched-vis.c sdbout.c simplify-rtx.c ssa-ccp.c ssa.c stmt.c stor-layout.c timevar.c tlink.c toplev.c tree-dump.c tree.c unroll.c unwind-dw2-fde.c varasm.c varray.c vmsdbgout.c xcoffout.c: Remove unnecessary casts. From-SVN: r69587
2003-07-03basic-block.h (create_basic_block, [...]): Kill.Jan Hubicka1-1/+4
* basic-block.h (create_basic_block, merge_blocks_nomove): Kill. * cfgcleanup.c (merge_blocks): Rename to merge_blocks_move. (merge_blocks_move_predecessor_nojumps, merge_blocks_move_successor_nojumps): Use merge_blocks. (try_optimize_cfg): Use merge_blocks_move. * cfgrtl.c (create_basic_block): Rename to rtl_create_basic_block. (merge_blocks_nomove): Rename to rtl_merge_blocks. (cfg_layout_create_basic_block): New. (rtl_can_merge_blocks): New. (cfg_layout_split_block): Do not alloc aux by hand. * cfghooks.h (cfg_hooks): Add create_basic_block, can_merge_blocks_p, merge_blocks. (create_basic_block, can_merge_blocks_p, merge_blocks): New macros. * cfglayout.c (cfg_layout_duplicate_bb): Do not allocate aux by hand. * cfgloopmanip.c (loop_split_edge_with): Likewise. * ifcvt.c (merge_if_block): Use merge_blocks_nomove. * basic-block.h (basic_block_def): Add field 'rbi'. * bb-reorder.c (find_traces, rotate_loop, mark_bb_visited, find_traces_1_round, copy_bb, connect_traces): Update use of rbi. * cfg.c (entry_exit_blocks): Add new field. * cfglayout.c: Include alloc-pool.h; (cfg_layout_pool): New. (record_effective_endpoints, fixup_reorder_chain, fixup_fallthru_exit_predecessor, cfg_layout_duplicate_bb): Update use of rbi. (cfg_layout_initialize_rbi): New function. (cfg_layout_initialize): Use it. (cfg_layout_finalize): Clear rbi fields. * cfglayout.h (RBI): Kill. (cfg_layout_initialize_rbi): Declare. * cfgloopmanip.c (copy_bbs): Use rbi. (record_exit_edges): Likewise. (duplicate_loop_to_header_edge): Likewise. * cfgrtl.c (cfg_layout_create_basic_block): Use cfg_layout_initialize_rbi. (cfg_layout_split_block): Use rbi. (cfg_layout_delete_block): Likewise. * loop-init.c (loop_optimizer_finalize): Likewise. * loop-unswitch.c (unswitch_loop): Likewise. * tracer.c (seen, tail_duplicate, layout_superblocks): Likewise. * cfgrtl.c: Update comments. (try_redirect_by_replacing_jump): New argument. (redirect_branch_edge): Break out from ... (rtl_redirect_edge_and_branch): ... this one. (update_cfg_after_block_merging): Break out from ... (rtl_merge_blocks): ... this one. (cfg_layout_split_edge): New. (cfg_layout_merge_blocks): New. (cfg_layout_can_merge_blocks_p): New. (cfg_layout_redirect_edge_and_branch): Reorganize. (cfg_layout_rtl_cfg_hooks): Fill in. (cfg_layout_delete_block): Kill barriers. * cfganal.c (can_fallthru): Deal with exit blocks * cfglayout.c (cfg_layout_function_header): New function (record_effective_endpoints): Record function header. (fixup_reorder_chain): Fixup dead jumptables; place header * basic-block.h (CLEANUP_CFGLAYOUT): New flag. * bb-reorder.c (cfg_layout_initialize): Update call. * cfgcleanup.c (try_optimize_cfg): Supress optimizations of fallthru edges in cfglayout mode. * cfglayout.c (cleanup_unconditional_jumps): Kill. (cfg_layout_initialize): Kill agrument loops; use cfgcleanup. * cfglayout.h (cfg_layout_initialize): Update prototype. * cfgloop.h (CP_INSIDE_CFGLAYOUT): Kill. * cfgloopmanip.c (loop_split_edge_with): Use split_edge. * flow.c (propagate_block): Do not crash when basic block ends by first insn in the chain. * loop-init.c (loop_optimizer_init): First enter cfglayout mode; later do loop discovery. * tracer.c (tracer): Update call of cfg_layout_initialize. From-SVN: r68899
2003-07-01basic-block.h: Fix comment typos.Kazu Hirata1-1/+1
* basic-block.h: Fix comment typos. * bb-reorder.c: Likewise. * c-format.c: Likewise. * cfgcleanup.c: Likewise. * cfghooks.h: Likewise. * cfgloop.c: Likewise. * cfgloopmanip.c: Likewise. * cfgrtl.c: Likewise. * cgraph.h: Likewise. * cgraphunit.c: Likewise. * combine.c: Likewise. * convert.c: Likewise. * dbxout.c: Likewise. * df.c: Likewise. * df.h: Likewise. * diagnostic.c: Likewise. * dwarf2out.c: Likewise. * et-forest.h: Likewise. * flow.c: Likewise. * fold-const.c: Likewise. * function.h: Likewise. * gcov-io.h: Likewise. * gcov.c: Likewise. * gcse.c: Likewise. * genautomata.c: Likewise. * ggc-common.c: Likewise. * ggc-page.c: Likewise. * loop-unroll.c: Likewise. * loop-unswitch.c: Likewise. * loop.c: Likewise. * mips-tfile.c: Likewise. * optabs.c: Likewise. * ra-build.c: Likewise. * ra-colorize.c: Likewise. * ra-rewrite.c: Likewise. * ra.h: Likewise. * regmove.c: Likewise. * reload.c: Likewise. * rtlanal.c: Likewise. * sched-ebb.c: Likewise. * sched-int.h: Likewise. * sched-vis.c: Likewise. * sreal.c: Likewise. * ssa-ccp.c: Likewise. * ssa.c: Likewise. * toplev.c: Likewise. * tree-inline.c: Likewise. * value-prof.c: Likewise. * value-prof.h: Likewise. From-SVN: r68770
2003-07-01final.c: Convert prototypes to ISO C90.Andreas Jaeger1-220/+107
* final.c: Convert prototypes to ISO C90. * flow.c: Likewise. * flags.h: Likewise. From-SVN: r68760
2003-06-28flow.c (propagate_one_insn): Use proper test for a register being part of ↵J"orn Rennecke1-1/+3
the return value. * flow.c (propagate_one_insn): Use proper test for a register being part of the return value. From-SVN: r68653
2003-06-26flow.c (propagate_one_insn): Kill function return value registers across ↵Richard Henderson1-2/+5
tail calls. * flow.c (propagate_one_insn): Kill function return value registers across tail calls. From-SVN: r68546
2003-06-26flow.c (propagate_one_insn): Preserve live-at-end registers across tail calls.Richard Henderson1-3/+10
* flow.c (propagate_one_insn): Preserve live-at-end registers across tail calls. From-SVN: r68544
2003-06-26value-prof.c: New.Zdenek Dvorak1-2/+4
* value-prof.c: New. * value-prof.h: New. * Makefile.in (value-prof.o): New. (LIBGCOV): Add _gcov_merge_single and _gcov_merge_delta (profile.o): Add value-prof.h and tree.h dependency. * flags.h (flag_profile_values): Declare. * gcov-io.h (GCOV_COUNTERS, GCOV_COUNTER_NAMES, GCOV_MERGE_FUNCTIONS): Add new counters. (GCOV_COUNTER_V_INTERVAL, GCOV_COUNTER_V_POW2, GCOV_COUNTER_V_SINGLE, GCOV_COUNTER_V_DELTA): New counter sections. (__gcov_merge_single, __gcov_merge_delta): Declare. * flow.c (mark_used_regs): Set subregs_of_mode only when the structure is initialized. * libgcov.c (__gcov_merge_single, __gcov_merge_delta): New functions. * profile.c: Include value-prof.h and tree.h. (gen_interval_profiler, gen_pow2_profiler, gen_one_value_profiler, gen_const_delta_profiler, instrument_values): New static functions. (get_exec_counts): Fix comment. (branch_prob): Invoke instrument_values. * toplev.c (flag_profile_values): New flag. * doc/invoke.texi (-fprofile-values): Document. From-SVN: r68519
2003-06-18bt-load.c: New file.Stephen Clarke1-4/+4
2003-06-18 Stephen Clarke <stephen.clarke@superh.com> J"orn Rennecke <joern.rennecke@superh.com> * bt-load.c: New file. * Makefile.in (OBJS): Include bt-load.o (bt-load.o): Add dependencies. * flags.h (flag_branch_target_load_optimize): Declare. (flag_branch_target_load_optimize2): Likewise. * hooks.c (hook_reg_class_void_no_regs): New function. (hook_bool_bool_false): Likewise. * hooks.h (hook_reg_class_void_no_regs, hook_bool_bool_false): Declare. * rtl.h (branch_target_load_optimize): Declare. * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define. (TARGET_BRANCH_TARGET_REGISTER_CALLEE_SAVED): Likewise. (TARGET_INITIALIZER): Include these. * target.h (struct gcc_target): Add branch_target_register_class and branch_target_register_callee_saved members. * toplev.c (enum dump_file_index): Add DFI_branch_target_load (dump_file) Add "tars" entry. (flag_branch_target_load_optimize): New variable. (flag_branch_target_load_optimize2): Likewise. (lang_independent_options): Add entries for new options. (rest_of_compilation): Call branch_target_load_optimize. * doc/tm.texi (TARGET_BRANCH_TARGET_REGISTER_CLASS): Document. (TARGET_BRANCH_TARGET_REGISTER_CALLEE_SAVED): Likewise. * doc/invoke.texi: Document -fbranch-target-load-optimize and -fbranch-target-load-optimize2. * rtl.h (epilogue_completed): Declare. * recog.c (epilogue_completed): New variable. * toplev.c (rest_of_compilation): Set it. * flow.c (mark_regs_live_at_end): Use it. * config/ia64/ia64.c (ia64_output_mi_thunk): Set it. * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise. * config/sh/sh.c (sh_output_mi_thunk): Likewise. * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise. * sh.c (shmedia_space_reserved_for_target_registers): New variable. (sh_target_reg_class): New function. (sh_optimize_target_register_callee_saved): Likwise. (shmedia_target_regs_stack_space): Likewise. (shmedia_reserve_space_for_target_registers_p): Likewise. (shmedia_target_regs_stack_adjust): Likewise. (TARGET_BRANCH_TARGET_REGISTER_CLASS): Override. (TARGET_BRANCH_TARGET_REGISTER_CALLEE_SAVED): Likewise. (calc_live_regs): If flag_branch_target_load_optimize2 and TARGET_SAVE_ALL_TARGET_REGS is enabled, and we have space reserved for target registers, make sure that we save all target registers. (sh_expand_prologue, sh_expand_epilogue): Take target register optimizations into account. Collapse stack adjustments if that is beneficial. (initial_elimination_offset): Reserve space for target registers if necessary. * sh.h (SAVE_ALL_TR_BIT, TARGET_SAVE_ALL_TARGET_REGS): Define. (OPTIMIZATION_OPTIONS): Enable flag_branch_target_load_optimize. Co-Authored-By: J"orn Rennecke <joern.rennecke@superh.com> From-SVN: r68165
2003-06-16tracer.c: Remove duplication declaration.Andreas Jaeger1-2/+1
* tracer.c: Remove duplication declaration. * toplev.c: Remove extra declaration of decode_d_option. * ssa.c: Remove duplicate declaration. * sreal.c: Remove extra declaration of dump_sreal. * reload1.c: Remove duplicate declarations. * integrate.c: Remove extra declaration of set_decl_abstract_flags. * flow.c: Remove extra declaration of dump_flow_info. * alias.c: Remove extra declaration of get_addr. From-SVN: r68006
2003-06-03flow.c (initialize_uninitialized_subregs): Use emit_move_insn instead of ↵Kazu Hirata1-2/+5
emitting a hardcoded move. * flow.c (initialize_uninitialized_subregs): Use emit_move_insn instead of emitting a hardcoded move. From-SVN: r67409
2003-05-03emit-rtl.c (last_call_insn, [...]): New functions.Olivier Hainque1-4/+5
* 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
2003-02-28combine.c (gen_lowpart_for_combine): Update handling of subregs_of_modeJan Hubicka1-9/+7
* combine.c (gen_lowpart_for_combine): Update handling of subregs_of_mode * flow.c (life_analysis, mark_used_regs): Likewise. * regclass.c (subregs_of_mode): Turn into single bitmap. (cannot_change-mode_set_regs, invalid_mode_change_p): Update dealing with subregs_of_mode * regs.h (subregs_of_mode): Update prototype. From-SVN: r63552
2003-01-30flow.c (update_life_info): Zap life info after cleanup_cfg.Richard Henderson1-2/+12
* flow.c (update_life_info): Zap life info after cleanup_cfg. (regno_uninitialized): Use correct live at function entry set. (regno_clobbered_at_setjmp): Likewise. From-SVN: r62172
2003-01-17et-forest.c: Fix comment typos.Kazu Hirata1-3/+3
* et-forest.c: Fix comment typos. * et-forest.h: Likewise. * except.c: Likewise. * expr.c: Likewise. * flags.h: Likewise. * flow.c: Likewise. * gcc.c: Likewise. * gcse.c: Likewise. * genattrtab.c: Likewise. * genautomata.c: Likewise. * gengtype.c: Likewise. * genrecog.c: Likewise. * global.c: Likewise. * gthr-rtems.h: Likewise. From-SVN: r61443
2003-01-16dbxout.c (lastfile, cwd): Fix `unused' warning.Kaveh Ghazi1-3/+6
* dbxout.c (lastfile, cwd): Fix `unused' warning. * dwarf2out.c (fde_table_in_use, current_funcdef_fde, dw_cfi_oprnd1_desc, dw_cfi_oprnd2_desc, next_die_offset, is_main_source, file_table, decl_die_table_in_use, abbrev_die_table_in_use, line_info_table_in_use, separate_line_info_table_in_use, pubname_table_in_use, arange_table_in_use, ranges_table_in_use, current_function_has_inlines): Likewise. * flow.c (life_analysis): Likewise. * genemit.c (gen_insn): Likewise. * protoize.c (cplus_suffix): Likewise. From-SVN: r61392
2003-01-16arm.h (CONDITIONAL_REGISTER_USAGE): Avoid signed/unsigned warning.Kaveh R. Ghazi1-2/+2
* 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
2003-01-15flow.c (find_auto_inc): Also try to generate a PRE_MODIFY with constant offset.Richard Earnshaw1-0/+6
* flow.c (find_auto_inc): Also try to generate a PRE_MODIFY with constant offset. From-SVN: r61333
2002-12-20* flow.c (allocate_reg_life_data): Reset REG_FREQ.Zdenek Dvorak1-0/+1
From-SVN: r60344
2002-12-16Merge basic-improvements-branch to trunkZack Weinberg1-0/+2
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
2002-11-04hard-reg-set.h (REG_CANNOT_CHANGE_MODE_P): New.Aldy Hernandez1-11/+16
2002-11-04 Aldy Hernandez <aldyh@redhat.com> * hard-reg-set.h (REG_CANNOT_CHANGE_MODE_P): New. * config/rs6000/rs6000.h (CLASS_CANNOT_CHANGE_MODE_P): Remove. (CLASS_CANNOT_CHANGE_MODE): Remove. (CANNOT_CHANGE_MODE_CLASS): New. * config/alpha/alpha.h: Same. * config/ia64/ia64.h: Same. * config/mips/mips.h: Same. * config/s390/s390.h: Same. * config/sh/sh.h: Same. * config/pa/pa64-regs.h: Same. * config/sh/sh-protos.h (sh_cannot_change_mode_class): Add prototype. * config/sh/sh.c (sh_cannot_change_mode_class): New. * config/mips/mips-protos.h (mips_cannot_change_mode_class): Add prototype. * config/mips/mips.c (mips_cannot_change_mode_class): New. * doc/tm.texi (Register Classes): Remove CLASS_CANNOT_CHANGE_MODE and CLASS_CANNOT_CHANGE_MODE_P. Document CANNOT_CHANGE_MODE_CLASS. * reload.c (push_reload): Use CANNOT_CHANGE_MODE_CLASS. (push_reload): Same. * simplify-rtx.c (simplify_subreg): Same. * reload1.c (choose_reload_regs): Same. * recog.c (register_operand): Same. * regrename.c (mode_change_ok): Change to use new CANNOT_CHANGE_MODE_CLASS infrastructure. * regclass.c (cannot_change_mode_set_regs): New. Declare subregs_of_mode. (regclass): Use subregs_of_mode. Remove references to reg_changes_mode. (init_reg_sets_1): Remove class_can_change_mode and reg_changes_mode code. (invalid_mode_change_p): New. (dump_regclass): Use invalid_mode_change_p instead of class_can_change_mode. (regclass): Same. (record_operand_costs): Do not set reg_changes_mode. * local-alloc.c (struct qty): Remove changes_mode field. (alloc_qty): Remove changes_mode initialization. (update_qty_class): Remove set of changes_mode. (find_free_reg): Use subregs_of_mode. * global.c (find_reg): Use subregs_of_mode info. * rtl.h (cannot_change_mode_set_regs): New prototype. (invalid_mode_change_p): Same. (REG_CANNOT_CHANGE_MODE_P): New macro. * flow.c (mark_used_regs): Calculate subregs_of_mode. Remove REG_CHANGES_MODE. (life_analysis): Clear subregs_of_mode. * combine.c (subst): Pass class to CLASS_CANNOT_CHANGE_MODE_P. Remove use of CLASS_CANNOT_CHANGE_MODE. (simplify_set): Same. (gen_lowpart_for_combine): Calculate subregs_of_mode. Remove REG_CHANGES_MODE. * regs.h: Add extern for subregs_of_mode; Include hard-reg-set and basic-block. (REG_CHANGES_MODE): Delete. From-SVN: r58794
2002-10-01flow.c (insn_dead_p): When using non-call-exceptions, don't eliminate insns ↵Andrew Haley1-0/+4
that may trap. 2002-09-30 Andrew Haley <aph@redhat.com> * flow.c (insn_dead_p): When using non-call-exceptions, don't eliminate insns that may trap. * cse.c (insn_live_p): Likewise. From-SVN: r57688
2002-09-22dbxout.c: Follow spelling conventions.Kazu Hirata1-4/+4
* 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
2002-09-16ABOUT-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
2002-07-23defaults.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
2002-06-24flow.c (propagate_one_insn): When removing an insn with a REG_LIBCALL note ↵Jeff Law1-8/+24
but not the entire libcall... * flow.c (propagate_one_insn): When removing an insn with a REG_LIBCALL note but not the entire libcall sequence, delete the associated REG_RETVAL note. From-SVN: r54966
2002-06-11Delete SEQUENCE rtl usage outside of reorg and ssa passes.David S. Miller1-1/+1
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
2002-06-07emit-rtl.c (init_emit): Add hard registers to regno_reg_rtx.Jeff Law1-6/+4
* emit-rtl.c (init_emit): Add hard registers to regno_reg_rtx. * combine.c (move_deaths): Use regno_reg_rtx for hard regs rather than creating a new register. (distribute_notes): Likewise. * df.c (df_reg_use_gen): Likewise. (df_reg_clobber_gen): Likewise. (df_ref_record): Likewise. * expr.c (use_regs): Likewise. * flow.c (propagate_one_insn): Likewise. (mark_set_1): Likewise. (mark_used_reg): Likewise. * reload.c (emit_reload_insns): Likewise. From-SVN: r54358
2002-06-02loop.c (emit_prefetch_instructions): Properly place the address computation.Jan Hubicka1-4/+8
* 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
2002-05-30flow.c (propagate_one_insn): Revise yesterday's patch.Jeff Law1-2/+21
* flow.c (propagate_one_insn): Revise yesterday's patch. Delete a dead insn with a REG_RETVAL note when the entire libcall is not dead and remove the associated REG_LIBCALL note at the same time. From-SVN: r54065
2002-05-29flow.c (propagate_one_insn): Do not remove a dead insn if it contains a ↵Jeff Law1-1/+1
REG_RETVAL note. * flow.c (propagate_one_insn): Do not remove a dead insn if it contains a REG_RETVAL note. From-SVN: r54028
2002-05-28flow.c (update_life_info_in_dirty_blocks): Only do a partial update if ↵Richard Henderson1-5/+18
UPDATE_LIFE_LOCAL. * flow.c (update_life_info_in_dirty_blocks): Only do a partial update if UPDATE_LIFE_LOCAL. From-SVN: r53978
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