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2009-05-15 Manuel López-Ibáñez <manu@gcc.gnu.org>
* ira-conflicts.c (add_insn_allocno_copies): Fix wrong
conditional.
From-SVN: r147595
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documentation of...
2009-05-14 Paolo Bonzini <bonzini@gnu.org>
* doc/tm.texi (TARGET_LEGITIMATE_ADDRESS_P): Refer mainly to this
in the former documentation of...
(GO_IF_LEGITIMATE_ADDRESS): ... this.
* ira-conflicts.c (get_dup_num): Use address_operand.
* targhooks.c (default_legitimate_address_p): New.
* targhooks.h (default_legitimate_address_p): New.
* reload.c (strict_memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]:
Call hook.
* recog.c (memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]: Call hook.
* target.h (struct target): Add legitimate_address_p.
* target-def.h (TARGET_LEGITIMATE_ADDRESS_P): New.
(TARGET_INITIALIZER): Include it.
* config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
* config/alpha/alpha-protos.h (alpha_legitimate_address_p): Remove.
* config/alpha/alpha.c (alpha_legitimate_address_p): Make static.
(TARGET_LEGITIMATE_ADDRESS_P): New.
* config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
(REG_OK_STRICT_P): Delete.
* config/frv/frv-protos.h (frv_legitimate_address_p): Rename to...
(frv_legitimate_address_p_1): ... this.
* config/frv/frv.c (frv_legitimate_address_p): Forward to...
(frv_legitimate_address_p_1): ... the renamed old
frv_legitimate_address_p.
* config/frv/predicates.md: Adjust calls to frv_legitimate_address_p.
(TARGET_LEGITIMATE_ADDRESS_P): New.
* config/s390/s390.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
* config/s390/s390-protos.h (legitimate_address_p): Remove.
* config/s390/s390.c (legitimate_address_p): Rename to...
(s390_legitimate_address_p): ... this, make static.
(legitimize_address): Adjust call.
(TARGET_LEGITIMATE_ADDRESS_P): New.
* config/s390/constraints.md ("e"): Call strict_memory_address_p.
* config/m32c/m32c.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
* config/m32c/m32c-protos.h (m32c_legitimate_address_p): Remove.
* config/m32c/m32c.c (m32c_legitimate_address_p): Make static.
(TARGET_LEGITIMATE_ADDRESS_P): New.
* config/spu/spu.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
* config/spu/spu-protos.h (spu_legitimate_address): Remove.
* config/spu/spu.c (spu_legitimate_address): Rename to...
(spu_legitimate_address_p): ... this, make static.
(TARGET_LEGITIMATE_ADDRESS_P): New.
* config/sparc/sparc.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
* config/sparc/sparc-protos.h (legitimate_address_p): Remove.
* config/sparc/sparc.c (legitimate_address_p): Rename to...
(sparc_legitimate_address_p): ... this, make static and return bool.
(legitimize_address): Adjust call.
(TARGET_LEGITIMATE_ADDRESS_P): New.
* config/i386/i386.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
* config/i386/i386-protos.h (legitimate_address_p): Remove.
* config/i386/i386.c (legitimate_address_p): Rename to...
(ix86_legitimate_address_p): ... this, make static.
(constant_address_p): Move after it, adjust call.
(TARGET_LEGITIMATE_ADDRESS_P): New.
* config/avr/avr.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
* config/avr/avr-protos.h (legitimate_address_p): Remove.
* config/avr/avr.c (legitimate_address_p): Rename to...
(avr_legitimate_address_p): ... this, make static.
(legitimize_address): Adjust call.
(TARGET_LEGITIMATE_ADDRESS_P): New.
* config/crx/crx.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
* config/crx/crx-protos.h (crx_legitimate_address_p): Remove.
* config/crx/crx.c (crx_legitimate_address_p): Make static.
(TARGET_LEGITIMATE_ADDRESS_P): New.
* config/xtensa/xtensa.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
* config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): Remove.
* config/xtensa/xtensa.c (xtensa_legitimate_address_p): Make static.
(TARGET_LEGITIMATE_ADDRESS_P): New.
* config/stormy16/stormy16.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
* config/stormy16/stormy16-protos.h (xstormy16_legitimate_address_p):
Remove.
* config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
Make static.
(TARGET_LEGITIMATE_ADDRESS_P): New.
* config/m68hc11/m68hc11.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
* config/m68hc11/m68hc11-protos.h (m68hc11_go_if_legitimate_address):
Remove.
* config/m68hc11/m68hc11.c (m68hc11_go_if_legitimate_address):
Rename to...
(m68hc11_legitimate_address_p): ... this, make static.
(go_if_legitimate_address_internal): Rename to...
(m68hc11_legitimate_address_p_1): ... this.
(legitimize_address): Adjust call.
(TARGET_LEGITIMATE_ADDRESS_P): New.
* config/iq2000/iq2000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
* config/iq2000/iq2000-protos.h (iq2000_legitimate_address_p):
Remove.
* config/iq2000/iq2000.c (iq2000_legitimate_address_p):
Make static.
(TARGET_LEGITIMATE_ADDRESS_P): New.
* config/mn10300/mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
* config/mn10300/mn10300-protos.h (legitimate_address_p): Remove.
* config/mn10300/mn10300.c (legitimate_address_p): Rename to...
(mn10300_legitimate_address_p): ... this, make static.
(TARGET_LEGITIMATE_ADDRESS_P): New.
* config/m68k/m68k.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
* config/m68k/m68k-protos.h (m68k_legitimate_address_p): Remove.
* config/m68k/m68k.c (m68k_legitimate_address_p): Make static.
(TARGET_LEGITIMATE_ADDRESS_P): New.
* config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
(REG_OK_STRICT_FLAG, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P): Delete.
(INT_REG_OK_FOR_BASE_P, INT_REG_OK_FOR_INDEX_P): Move above.
* config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
* config/rs6000/rs6000-protos.h (rs6000_legitimate_address): Remove.
* config/rs6000/rs6000.c (rs6000_legitimate_address): Rename to...
(rs6000_legitimate_address_p): ... this, make static.
(TARGET_LEGITIMATE_ADDRESS_P): New.
(REG_MODE_OK_FOR_BASE_P): Delete.
(rs6000_legitimize_reload_address): Use INT_REG_OK_FOR_BASE_P.
* config/picochip/picochip.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
* config/picochip/picochip-protos.h (picochip_legitimate_address_p):
Delete.
* config/picochip/picochip.c (picochip_legitimate_address_p): Make
static, adjust types.
(TARGET_LEGITIMATE_ADDRESS_P): New.
* config/score/score.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
* config/score/score.c (score_address_p): Rename to...
(score_legitimate_address_p): ... this.
(TARGET_LEGITIMATE_ADDRESS_P): New.
* config/score/score3.c (score3_address_p): Rename to...
(score3_legitimate_address_p): ... this.
* config/score/score7.c (score7_address_p): Rename to...
(score7_legitimate_address_p): ... this.
* config/arm/arm.h (ARM_GO_IF_LEGITIMATE_ADDRESS,
THUMB2_GO_IF_LEGITIMATE_ADDRESS, THUMB1_GO_IF_LEGITIMATE_ADDRESS,
GO_IF_LEGITIMATE_ADDRESS): Delete.
* config/arm/arm-protos.h (thumb1_legitimate_address_p,
thumb2_legitimate_address_p): Delete.
(arm_legitimate_address_p): Rename to...
(arm_legitimate_address_outer_p): ... this.
* config/arm/constraints.md ("Uq"): Adjust call.
* config/arm/predicates.md (arm_extendqisi_mem_op): Likewise.
* config/arm/arm.c (arm_legitimate_address_p): New, rename old one to...
(arm_legitimate_address_outer_p): ... this.
(thumb1_legitimate_address_p, thumb2_legitimate_address_p): Make static.
(TARGET_LEGITIMATE_ADDRESS_P): New.
* config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
* config/mips/mips-protos.h (mips_legitimate_address_p): Remove.
* config/mips/mips.c (mips_legitimate_address_p): ... Make static.
(TARGET_LEGITIMATE_ADDRESS_P): New.
* config/vax/vax.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
* config/vax/vax-protos.h (legitimate_address_p): Remove.
* config/vax/vax.c (legitimate_address_p): Rename to...
(vax_legitimate_address_p): ... this, make static.
(TARGET_LEGITIMATE_ADDRESS_P): New.
* config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
* config/h8300/h8300-protos.h (h8300_legitimate_address_p): Remove.
* config/h8300/h8300.c (h8300_legitimate_address_p): ... Make static.
(TARGET_LEGITIMATE_ADDRESS_P): New.
* config/mmix/mmix.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
* config/mmix/mmix-protos.h (mmix_legitimize_address): Remove.
* config/mmix/mmix.c (mmix_legitimate_address): Rename to...
(mmix_legitimate_address_p): ... this, make static.
(TARGET_LEGITIMATE_ADDRESS_P): New.
* config/bfin/bfin.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
* config/bfin/bfin-protos.h (bfin_legitimate_address_p): Remove.
* config/bfin/bfin.c (bfin_legitimate_address_p): ... Make static.
(TARGET_LEGITIMATE_ADDRESS_P): New.
From-SVN: r147534
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code; part of the problem started 2009/03/12-13)
PR rtl-optimization/39914
* ira-conflicts.c (ira_build_conflicts): Prohibit call used
registers for allocnos created from user-defined variables only
when not optimizing.
From-SVN: r146904
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2009-04-16 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/39762
* ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
ira_may_move_out_cost): Add comments about way of their usage.
(ira_get_register_move_cost, ira_get_may_move_cost): New
functions.
* ira-conflicts.c (process_regs_for_copy): Use function
ira_get_register_move_cost instead of global
ira_register_move_cost.
* ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
color_pass, move_spill_restore, update_curr_costs): Ditto.
* ira-lives.c (process_single_reg_class_operands): Ditto.
* ira-emit.c (emit_move_list): Ditto.
* ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
(record_reg_classes): Ditto. Use functions
ira_get_register_move_cost and ira_get_may_move_cost instead of
global vars ira_register_move_cost, ira_may_move_out_cost and
ira_may_move_in_cost.
(record_address_regs): Don't call ira_init_register_move_cost.
Use function ira_get_may_move_cost instead of global
ira_may_move_in_cost.
(process_bb_node_for_hard_reg_moves): Use function
ira_get_register_move_cost instead of global
ira_register_move_cost.
(ira_costs): Don't call ira_init_register_move_cost.
From-SVN: r146198
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2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
PR debug/39432
* ira-int.h (struct allocno): Fix comment for calls_crossed_num.
* ira-conflicts.c (ira_build_conflicts): Prohibit call used
registers for allocnos created from user-defined variables.
From-SVN: r144812
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From-SVN: r144324
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* ira-conflicts.c: Include addresses.h for the definition of
base_reg_class.
(ira_build_conflicts): Use base_reg_class instead of
BASE_REG_CLASS.
* Makefile.in: Add a dependency of ira-conflicts.o on
addresses.h.
From-SVN: r143365
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out of memory while constructing the conflict graph)
2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/38583
* params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
* params.def (ira-max-conflict-table-size): New.
* doc/invoke.texi (ira-max-conflict-table-size): Decribe.
* ira.h (ira_conflicts_p): New external definition.
* ira-conflicts.c (build_conflict_bit_table): Do not build too big
table. Report this. Return result of building.
(ira_build_conflicts): Use ira_conflicts_p. Check result of
building conflict table.
* ira-color.c (fast_allocation): Use num instead of
ira_allocnos_num.
(ira_color): Use ira_conflicts_p.
* global.c: Include ira.h.
(pseudo_for_reload_consideration_p, build_insn_chain): Use
ira_conflicts_p.
* Makefile.in (global.o): Add ira.h.
* ira-build.c (mark_all_loops_for_removal,
propagate_some_info_from_allocno): New.
(remove_unnecessary_allocnos): Call
propagate_some_info_from_allocno.
(remove_low_level_allocnos): New.
(remove_unnecessary_regions): Add parameter. Call
mark_all_loops_for_removal and remove_low_level_allocnos. Pass
parameter to remove_unnecessary_regions.
(ira_build): Remove all regions but root if the conflict table was
not built. Update conflict hard regs for allocnos crossing calls.
* ira.c (ira_conflicts_p): New global.
(ira): Define and use ira_conflicts_p.
* reload1.c (compute_use_by_pseudos, reload, count_pseudo,
count_spilled_pseudo, find_reg, alter_reg, finish_spills,
emit_input_reload_insns, delete_output_reload): Use
ira_conflicts_p.
From-SVN: r143112
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2008-12-09 Vladimir Makarov <vmakarov@redhat.com>
* doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
* doc/invoke.texi (-fira-region): Describe new option.
(-fira-algorithm): Change the values.
* ira-conflicts.c (build_conflict_bit_table,
build_allocno_conflicts): Use ira_reg_classes_intersect_p.
(ira_build_conflicts): Use flag flag_ira_region instead of
flag_ira_algorithm. Prohibit usage of callee-saved likely spilled
base registers for allocnos crossing calls.
* flags.h (enum ira_algorithm): Redefine.
(enum ira_region): New.
(flag_ira_region): New.
* cfgloopanal.c (estimate_reg_pressure_cost): Use flag_ira_region
instead of flag_ira_algorithm.
* toplev.c (flag_ira_algorithm): Change the initial value.
(flag_ira_region): New.
* ira-int.h (ira_reg_classes_intersect_p,
ira_reg_class_super_classes): New.
* ira-color.c (update_copy_costs): Use
ira_reg_classes_intersect_p. Use right class to find hard reg
index.
(update_conflict_hard_regno_costs): Ditto. Add a new parameter.
(assign_hard_reg): Ditto. Pass additional argument to
update_conflict_hard_regno_costs. Do not uncoalesce for priority
coloring.
(allocno_priorities, setup_allocno_priorities,
allocno_priority_compare_func): Move before color_allocnos.
(color_allocnos): Add priority coloring. Use flag flag_ira_region
instead of flag_ira_algorithm.
(move_spill_restore): Check classes of the same reg allocno from
different regions.
(update_curr_costs): Use ira_reg_classes_intersect_p.
(ira_reassign_conflict_allocnos): Ditto.
* opts.c (decode_options): Always set up flag_ira. Set up
flag_ira_algorithm. Warn CB can not be used for architecture.
(common_handle_option): Modify code for -fira-algorithm. Add code
to process -fira-region.
* ira-lives.c (update_allocno_pressure_excess_length): Process
superclasses too.
(set_allocno_live, clear_allocno_live, mark_reg_live,
mark_reg_dead, process_bb_node_lives): Ditto.
* ira-emit.c (ira_emit): Fix insn codes.
* ira-build.c (propagate_allocno_info): Use flag flag_ira_region
instead of flag_ira_algorithm.
(allocno_range_compare_func): Ignore classes for priority
coloring.
(setup_min_max_conflict_allocno_ids): Ditto.
(ira_flattening): Use ira_reg_classes_intersect_p.
* genpreds.c (write_enum_constraint_num): Output
CONSTRAINT__LIMIT.
* common.opt (fira-algorithm): Modify.
(fira-region): New.
* ira.c (setup_class_hard_regs): Initialize.
(setup_cover_and_important_classes): Modify code setting class
related info for priority coloring.
(setup_class_translate): Ditto.
(ira_reg_classes_intersect_p, ira_reg_class_super_classes): New.
(setup_reg_class_intersect_union): Rename to
setup_reg_class_relations. Add code for setting up new variables.
(find_reg_class_closure): Do not check targetm.ira_cover_classes.
(ira): Use flag flag_ira_region instead of flag_ira_algorithm.
* ira-costs.c (common_classes): New.
(print_costs): Use flag flag_ira_region instead of
flag_ira_algorithm.
(find_allocno_class_costs): Ditto. Use common_classes. Translate
alt_class.
(ira_costs): Allocate/deallocate common_classes.
* config/m32c/m32.h (REG_ALLOC_ORDER): Add reg 19.
(REG_CLASS_CONTENTS, reg_class, REG_CLASS_NAMES): New entries for
R02A_REGS.
* reload1.c (choose_reload_regs): Use MODE_INT for partial ints in
smallest_mode_for_size.
From-SVN: r142610
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2008-11-15 Vladimir Makarov <vmakarov@redhat.com>
PR bootstrap/37790
* ira-int.h (ira_copy_allocno_live_range_list,
ira_merge_allocno_live_ranges,
ira_allocno_live_ranges_intersect_p,
ira_finish_allocno_live_range_list): New prototypes.
(ira_allocno_live_ranges_intersect_p,
ira_pseudo_live_ranges_intersect_p): Remove.
* ira-conflicts.c (ira_allocno_live_ranges_intersect_p,
ira_pseudo_live_ranges_intersect_p): Rename to
allocnos_have_intersected_live_ranges_p and
pseudos_have_intersected_live_ranges_p. Move them from here to
...
* ira-color.c: ... here
(coalesced_allocno_conflict_p): Use
allocnos_have_intersected_live_ranges_p.
(coalesced_allocnos_living_at_program_points,
coalesced_allocnos_live_at_points_p,
set_coalesced_allocnos_live_points): Remove.
(slot_coalesced_allocnos_live_ranges,
slot_coalesced_allocno_live_ranges_intersect_p,
setup_slot_coalesced_allocno_live_ranges): New.
(coalesce_spill_slots): Use ranges of coalesced allocnos.
(ira_sort_regnos_for_alter_reg): Use
allocnos_have_intersected_live_ranges_p.
(ira_reuse_stack_slot): Use
pseudos_have_intersected_live_ranges_p.
* global.c (pseudo_for_reload_consideration_p): Check
flag_ira_share_spill_slots too.
* ira-build.c (copy_allocno_live_range_list): Rename to
ira_copy_allocno_live_range_list. Make it external.
(merge_ranges): Rename to ira_merge_allocno_live_ranges. Make it
external.
(ira_allocno_live_ranges_intersect_p): New.
(ira_finish_allocno_live_range_list): New.
(finish_allocno): Use it.
(remove_unnecessary_allocnos): Use ira_merge_allocno_live_ranges.
(copy_info_to_removed_store_destinations): Ditto. Use
ira_copy_allocno_live_range_list.
(ira_flattening): Use ira_merge_allocno_live_ranges.
* ira.c (too_high_register_pressure_p): New function.
(ira): Switch off sharing spill slots if the pressure is too high.
From-SVN: r142017
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2008-11-07 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimizations/37948
* ira-int.h (struct ira_allocno_copy): New member constraint_p.
(ira_create_copy, ira_add_allocno_copy): New parameter.
* ira-conflicts.c (process_regs_for_copy): New parameter. Pass it
to ira_add_allocno_copy.
(process_reg_shuffles, add_insn_allocno_copies): Pass a new
parameter to process_regs_for_copy.
(propagate_copies): Pass a new parameter to ira_add_allocno_copy.
Fix typo in passing second allocno to ira_add_allocno_copy.
* ira-color.c (update_conflict_hard_regno_costs): Use head of
coalesced allocnos list.
(assign_hard_reg): Ditto. Check that assigned allocnos are not in
the graph.
(add_ira_allocno_to_bucket): Rename to add_allocno_to_bucket.
(add_ira_allocno_to_ordered_bucket): Rename to
add_allocno_to_ordered_bucket.
(push_ira_allocno_to_stack): Rename to push_allocno_to_stack. Use
head of coalesced allocnos list.
(push_allocnos_to_stack): Remove calculation of ALLOCNO_TEMP.
Check that it is aready calculated.
(push_ira_allocno_to_spill): Rename to push_ira_allocno_to_spill.
(setup_allocno_left_conflicts_num): Use head of coalesced allocnos
list.
(coalesce_allocnos): Do extended coalescing too.
* ira-emit.c (add_range_and_copies_from_move_list): Pass a new
parameter to ira_add_allocno_copy.
* ira-build.c (ira_create_copy, ira_add_allocno_copy): Add a new
parameter.
(print_copy): Print copy origination too.
* ira-costs.c (scan_one_insn): Use alloc_pref for load from
equivalent memory.
From-SVN: r141753
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2008-10-27 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (ira_allocno): Add member updated_cover_class_cost.
(ALLOCNO_UPDATED_COVER_CLASS_COST): New.
(ira_fast_allocation): Remove the prototype.
* ira-color.c (update_copy_costs, allocno_cost_compare_func,
assign_hard_reg, calculate_allocno_spill_cost): Use updated costs.
(color_pass): Modify the updated costs.
(ira_color): Rename to color. Make it static.
(ira_fast_allocation): Rename to fast_allocation. Make it static.
(ira_color): New function.
* ira-conflicts.c (process_regs_for_copy): Propagate hard reg cost
change.
* ira-lives.c (last_call_num, allocno_saved_at_call): New
variables.
(set_allocno_live, clear_allocno_live, mark_ref_live,
mark_ref_dead): Invalidate corresponding element of
allocno_saved_at_call.
(process_bb_node_lives): Increment last_call_num. Setup
allocno_saved_at_call. Don't increase ALLOCNO_CALL_FREQ if the
allocno was already saved.
(ira_create_allocno_live_ranges): Initiate last_call_num and
allocno_saved_at_call.
* ira-build.c (ira_create_allocno): Initiate
ALLOCNO_UPDATED_COVER_CLASS_COST.
(create_cap_allocno, propagate_allocno_info,
remove_unnecessary_allocnos): Remove setting updated costs.
(ira_flattening): Set up ALLOCNO_UPDATED_COVER_CLASS_COST.
* ira.c (ira): Don't call ira_fast_allocation.
* ira-costs.c (setup_allocno_cover_class_and_costs): Don't set up
updated costs.
From-SVN: r141385
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2008-10-27 Vladimir Makarov <vmakarov@redhat.com>
PR middle-end/37813
* ira-conflicts.c (process_regs_for_copy): Remove class subset
check.
* ira-int.h (ira_hard_regno_cover_class): New.
* ira-lives.c (mark_reg_live, mark_reg_dead,
process_bb_node_lives): Use ira_hard_regno_cover_class.
* ira.c (reg_class ira_hard_regno_cover_class): New global
variable.
(setup_hard_regno_cover_class): New function.
(ira_init): Call setup_hard_regno_cover_class.
* ira-costs.c (cost_class_nums): Add comment.
(find_allocno_class_costs): Initiate cost_class_nums.
(setup_allocno_cover_class_and_costs): Check cost_class_nums.
From-SVN: r141384
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right range.
2008-09-09 Vladimir Makarov <vmakarov@redhat.com>
* ira-conflicts.c (process_regs_for_copy): Check that the hard
regno is in the right range. Add comments.
From-SVN: r140159
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is already taken into account in ira-costs.c
2008-09-04 Vladimir Makarov <vmakarov@redhat.com>
* ira-conflicts.c (process_regs_for_copy): Check insn to check
that the cost is already taken into account in ira-costs.c
* ira-int.h (ira_debug_copy, ira_debug_copies): New.
* ira-build.c (print_copy, print_copies, ira_debug_copy,
ira_debug_copies): New.
(ira_bulid): Call print_copies.
* doc/tm.texi (IRA_COVER_CLASSES): Fix the description.
From-SVN: r140014
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2008-09-03 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-opt/37243
* ira-conflicts.c (REG_SUBREG_P, go_through_subreg): New.
(process_regs_for_copy): Process subregs. Refine check when cost
is taken into account in ira-costs.c.
(process_reg_shuffles): Use REG_SUBREG_P.
(add_insn_allocno_copies): Ditto. Ignore modes.
* ira-color.c (conflict_allocno_vec): New.
(COST_HOP_DIVISOR): New macro.
(update_copy_costs_1): Use it.
(update_conflict_hard_regno_costs): New function.
(assign_hard_reg): Use it.
(ira_color): Allocate and free conflict_allocno_vec.
From-SVN: r139949
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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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