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2008-10-11 Kenneth Zadeck <zadeck@naturalbridge.com>
PR rtl-optimization/37448
* df.h: (df_ref_class): New enum.
(DF_REF_TYPE_NAMES, df_ref_extract): Removed.
(struct df_ref): Replaced with union df_ref_d.
(df_base_ref, df_artificial_ref, df_regular_ref, df_extract_ref):
New members of df_ref_d union.
(DF_REF_REAL_REG, DF_REF_REGNO, DF_REF_REAL_LOC, DF_REF_REG,
DF_REF_LOC, DF_REF_BB, DF_REF_INSN_INFO, DF_REF_INSN,
DF_REF_CLASS, DF_REF_TYPE, DF_REF_CHAIN, DF_REF_ID, DF_REF_FLAGS,
DF_REF_ORDER, DF_REF_IS_ARTIFICIAL, DF_REF_NEXT_REG,
DF_REF_PREV_REG, DF_REF_EXTRACT_WIDTH, DF_REF_EXTRACT_OFFSET,
DF_REF_EXTRACT_MODE): Replaced definition to access union
df_ref_d.
(DF_MWS_REG_DEF_P, DF_MWS_REG_USE_P, DF_MWS_TYPE): New macros.
(df_scan_bb_info, df_bb_regno_first_def_find,
df_bb_regno_last_def_find, df_find_def, df_find_use,
df_refs_chain_dump, df_regs_chain_dump, df_ref_debug,
debug_df_ref, df_chain_create, df_chain_unlink, df_chain_copy,
df_ref_create, df_ref_remove, df_compute_accessed_bytes,
df_get_artificial_defs, df_get_artificial_uses, union_defs)
Replaced struct df_ref * with df_ref.
* df-scan.c (df_collection_rec, df_null_ref_rec,
df_ref_chain_delete_du_chain, df_ref_chain_delete, df_install_ref,
df_grow_ref_info, df_ref_create, df_reg_chain_unlink,
df_ref_compress_rec, df_ref_remove, df_ref_chain_delete_du_chain,
df_ref_chain_delete, df_free_collection_rec, df_insn_rescan,
df_reorganize_refs_by_reg_by_reg,
df_reorganize_refs_by_reg_by_insn, df_reorganize_refs_by_reg,
df_ref_change_reg_with_loc_1, df_notes_rescan, df_swap_refs,
df_sort_and_compress_refs, df_install_ref, df_install_refs,
df_ref_record, df_get_conditional_uses, df_get_call_refs,
df_bb_refs_record, df_exit_block_uses_collect,
df_record_exit_block_uses, df_reg_chain_mark,
df_reg_chain_verify_unmarked, df_refs_verify): Replaced struct
df_ref * with df_ref.
(df_ref_record, df_uses_record, df_ref_create_structure): Added
df_ref_class parameter.
(df_scan_problem_data): Added new pools for different types of
refs.
(df_scan_free_internal, df_scan_alloc, df_free_ref,
df_ref_create_structure): Processed new ref pools.
(df_scan_start_dump): Added counts of refs and insns.
(df_ref_create, df_notes_rescan, df_def_record_1, df_uses_record,
df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
df_entry_block_defs_collect, df_exit_block_uses_collect): Added
code to pass df_ref_class down to ref creation functions.
(df_reg_chain_unlink, df_ref_remove, df_ref_change_reg_with_loc_1,
df_reg_chain_mark): Use macros to hide references to df_refs.
(df_ref_chain_change_bb): Removed.
(df_insn_change_bb): Remove calls to df_ref_insn_change_bb.
(df_ref_equal_p, df_ref_compare, df_ref_create_structure):
Enhanced to understand df_ref union structure.
* fwprop.c (local_ref_killed_between_p, use_killed_between,
all_uses_available_at, update_df, try_fwprop_subst,
forward_propagate_subreg, forward_propagate_and_simplify,
forward_propagate_into, fwprop, fwprop_addr): Replaced struct
df_ref * with df_ref.
(use_killed_between, all_uses_available_at): Use macros to hide
references to df_refs.
* regstat.c (regstat_bb_compute_ri,
regstat_bb_compute_calls_crossed): Replaced struct df_ref * with
df_ref.
* see.c (see_handle_relevant_defs, see_handle_relevant_uses,
see_handle_relevant_refs, see_analyze_one_def,
see_update_relevancy, see_propagate_extensions_to_uses): Replaced
struct df_ref * with df_ref.
* ra-conflict.c (record_one_conflict, clear_reg_in_live,
global_conflicts): Replaced struct df_ref * with df_ref.
* ddg.c (create_ddg_dep_from_intra_loop_link,
add_cross_iteration_register_deps, build_inter_loop_deps):
Replaced struct df_ref * with df_ref.
(create_ddg_dep_from_intra_loop_link,
add_cross_iteration_register_deps): Use macros to hide references
to df_refs.
* auto-inc-dec.c (find_inc, merge_in_block): Replaced struct
df_ref * with df_ref.
* df-core.c (df_bb_regno_first_def_find,
df_bb_regno_last_def_find, df_find_def, df_find_use,
df_refs_chain_dump, df_regs_chain_dump, df_ref_debug,
debug_df_ref): Replaced struct df_ref * with df_ref.
(df_mws_dump, df_ref_debug): Use macros to hide references to
df_refs.
* cse.c (cse_extended_basic_block): Replaced struct df_ref * with
df_ref.
* web.c (union_defs, entry_register, replace_ref, web_main):
Replaced struct df_ref * with df_ref.
(union_defs, replace_ref): Use macros to hide references to
df_refs.
* global.c (compute_regs_asm_clobbered, build_insn_chain):
Replaced struct df_ref * with df_ref.
* ifcvt.c (dead_or_predicable): Replaced struct df_ref * with
df_ref.
* sel-sched-ir.c (maybe_downgrade_id_to_use, setup_id_reg_sets, ):
Replaced struct df_ref * with df_ref.
* ira-lives.c (mark_ref_live, def_conflicts_with_inputs_p,
mark_ref_dead, process_bb_node_lives): Replaced struct df_ref *
with df_ref.
* local-alloc.c (block_alloc): Replaced struct df_ref * with
df_ref.
* df-byte-scan.c (df_compute_accessed_bytes_extract,
df_compute_accessed_bytes_strict_low_part,
df_compute_accessed_bytes_subreg, df_compute_accessed_bytes):
Replaced struct df_ref * with df_ref.
(df_compute_accessed_bytes): Use macros to hide references to
df_refs.
* init-regs.c (initialize_uninitialized_regs): Replaced struct
df_ref * with df_ref.
* loop-invariant.c (invariant_for_use, hash_invariant_expr_1,
check_dependency, check_dependencies, record_uses): Replaced
struct df_ref * with df_ref.
(invariant_for_use, check_dependency): Use macros to hide
references to df_refs.
* loop-iv.c (iv_analysis_loop_init, iv_get_reaching_def,
get_biv_step_1, get_biv_step, record_iv, iv_analyze_def,
iv_analyze, biv_p): Replaced struct df_ref * with df_ref.
(iv_analysis_loop_init, iv_get_reaching_def): Use macros to hide
references to df_refs.
* ira.c (compute_regs_asm_clobbered): Replaced struct df_ref * with df_ref.
* combine.c (create_log_links): Replaced struct df_ref * with df_ref.
* df-problems.c (df_rd_bb_local_compute_process_def,
df_lr_bb_local_compute, df_live_bb_local_compute, df_chain_create,
df_chain_unlink_1, df_chain_unlink, df_chain_copy,
df_chain_remove_problem, df_chain_create_bb_process_use,
df_chain_create_bb, df_chain_top_dump, df_chain_bottom_dump,
df_byte_lr_check_regs, df_byte_lr_bb_local_compute,
df_byte_lr_simulate_defs, df_byte_lr_simulate_uses,
df_byte_lr_simulate_artificial_refs_at_top,
df_byte_lr_simulate_artificial_refs_at_end, df_create_unused_note,
df_note_bb_compute, df_note_add_problem, df_simulate_defs,
df_simulate_uses, df_simulate_artificial_refs_at_end,
df_simulate_artificial_refs_at_top): Replaced struct df_ref * with df_ref.
(df_chain_dump): Use macros to hide
references to df_refs.
* config/mips/mips.c (r10k_simplify_address): Replaced struct
df_ref * with df_ref.
* dce.c (mark_nonreg_stores, delete_corresponding_reg_eq_notes,
mark_artificial_uses, mark_reg_dependencies,
byte_dce_process_block): Replaced struct df_ref * with df_ref.
From-SVN: r141067
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2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
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