aboutsummaryrefslogtreecommitdiff
path: root/gcc/lra-spills.c
AgeCommit message (Collapse)AuthorFilesLines
2014-01-02Update copyright years in gcc/Richard Sandiford1-1/+1
From-SVN: r206289
2013-12-09Eliminate FOR_EACH_BB macro.David Malcolm1-3/+3
gcc/ * basic-block.h (FOR_EACH_BB): Eliminate macro. * asan.c (transform_statements, execute_sanopt): Eliminate use of FOR_EACH_BB in favor of FOR_EACH_BB_FN, to make use of cfun explicit. * auto-inc-dec.c (rest_of_handle_auto_inc_dec): Likewise. * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges, set_edge_can_fallthru_flag, fix_up_fall_thru_edges, fix_crossing_unconditional_branches, add_reg_crossing_jump_notes, insert_section_boundary_note, rest_of_handle_reorder_blocks, duplicate_computed_gotos): Likewise. * cfg.c (clear_edges, compact_blocks, brief_dump_cfg): Likewise. * cfganal.c (find_unreachable_blocks, add_noreturn_fake_exit_edges, compute_dominance_frontiers_1, single_pred_before_succ_order): Likewise. * cfgbuild.c (find_many_sub_basic_blocks): Likewise. * cfgcleanup.c (try_optimize_cfg, delete_dead_jumptables): Likewise. * cfgexpand.c (add_scope_conflicts, discover_nonconstant_array_refs): Likewise. * cfgloop.c (flow_loops_cfg_dump, get_loop_body, record_loop_exits, verify_loop_structure): Likewise. * cfgloopanal.c (mark_loop_exit_edges): Likewise. * cfgrtl.c (compute_bb_for_insn, find_partition_fixes, verify_hot_cold_block_grouping, purge_all_dead_edges, fixup_abnormal_edges, record_effective_endpoints, outof_cfg_layout_mode, fixup_reorder_chain, force_one_exit_fallthru, break_superblocks): Likewise. * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges, cgraph_rebuild_references): Likewise. * combine-stack-adj.c (combine_stack_adjustments): Likewise. * combine.c (delete_noop_moves, create_log_links, combine_instructions): Likewise. * config/arm/arm.c (thumb1_reorg, thumb2_reorg): Likewise. * config/bfin/bfin.c (bfin_gen_bundles, reorder_var_tracking_notes): Likewise. * config/c6x/c6x.c (c6x_gen_bundles, conditionalize_after_sched, c6x_reorg): Likewise. * config/epiphany/resolve-sw-modes.c (resolve_sw_modes): Likewise. * config/frv/frv.c (frv_optimize_membar): Likewise. * config/i386/i386.c (ix86_finalize_stack_realign_flags): Likewise. * config/ia64/ia64.c (ia64_reorg): Likewise. * config/mips/mips.c (mips_annotate_pic_calls): Likewise. * config/picochip/picochip.c (reorder_var_tracking_notes): Likewise. * config/rs6000/rs6000.c (rs6000_alloc_sdmode_stack_slot): Likewise. * config/s390/s390.c (s390_regs_ever_clobbered): Likewise. * config/sh/sh_treg_combine.cc (sh_treg_combine::execute): Likewise. * config/spu/spu.c (spu_machine_dependent_reorg): Likewise. * config/tilegx/tilegx.c (tilegx_gen_bundles, reorder_var_tracking_notes): Likewise. * config/tilepro/tilepro.c (tilepro_gen_bundles, reorder_var_tracking_notes): Likewise. * coverage.c (coverage_compute_cfg_checksum): Likewise. * cprop.c (compute_hash_table_work, compute_cprop_data, local_cprop_pass, find_implicit_sets): Likewise. * cse.c (cse_condition_code_reg): Likewise. * dce.c (prescan_insns_for_dce): Likewise. * df-core.c (df_compact_blocks): Likewise. * df-problems.c (df_word_lr_alloc): Likewise. * df-scan.c (df_scan_start_dump, df_scan_blocks, df_insn_rescan_all, df_update_entry_exit_and_calls): Likewise. * dominance.c (calculate_dominance_info, verify_dominators, debug_dominance_info): Likewise. * dse.c (dse_step5_nospill): Likewise. * except.c (finish_eh_generation): Likewise. * final.c (compute_alignments): Likewise. * function.c (thread_prologue_and_epilogue_insns, rest_of_match_asm_constraints): Likewise. * gcse.c (compute_hash_table_work, prune_expressions, compute_pre_data, compute_code_hoist_vbeinout, hoist_code, calculate_bb_reg_pressure, compute_ld_motion_mems): Likewise. * gimple-iterator.c (gsi_commit_edge_inserts): Likewise. * gimple-ssa-isolate-paths.c (find_implicit_erroneous_behaviour, find_explicit_erroneous_behaviour): Likewise. * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa, rewrite_cross_bb_scalar_deps_out_of_ssa): Likewise. * haifa-sched.c (haifa_sched_init): Likewise. * hw-doloop.c (discover_loops, set_bb_indices, reorder_loops): Likewise. * ifcvt.c (if_convert): Likewise. * init-regs.c (initialize_uninitialized_regs): Likewise. * ipa-prop.c (ipcp_transform_function): Likewise. * ipa-pure-const.c (analyze_function): Likewise. * ipa-split.c (find_split_points, execute_split_functions): Likewise. * ira-build.c (form_loop_tree): Likewise. * ira-costs.c (find_costs_and_classes): Likewise. * ira-emit.c (emit_moves, add_ranges_and_copies, ira_emit): Likewise. * ira.c (decrease_live_ranges_number, compute_regs_asm_clobbered, mark_elimination, update_equiv_regs, find_moveable_pseudos, split_live_ranges_for_shrink_wrap, allocate_initial_values): Likewise. * jump.c (mark_all_labels): Likewise. * lcm.c (compute_laterin, compute_insert_delete, compute_available, compute_nearerout, compute_rev_insert_delete): Likewise. * loop-init.c (fix_loop_structure): Likewise. * loop-invariant.c (calculate_loop_reg_pressure): Likewise. * lower-subreg.c (decompose_multiword_subregs, decompose_multiword_subregs): Likewise. * lra-assigns.c (assign_by_spills): Likewise. * lra-coalesce.c (lra_coalesce): Likewise. * lra-constraints.c (lra_inheritance, remove_inheritance_pseudos): Likewise. * lra-eliminations.c (lra_init_elimination): Likewise. * lra-spills.c (assign_spill_hard_regs, spill_pseudos, lra_final_code_change): Likewise. * lra.c (remove_scratches, check_rtl, has_nonexceptional_receiver, update_inc_notes): Likewise. * mcf.c (adjust_cfg_counts): Likewise. * mode-switching.c (optimize_mode_switching): Likewise. * modulo-sched.c (rest_of_handle_sms): Likewise. * omp-low.c (optimize_omp_library_calls, expand_omp_taskreg, expand_omp_target): Likewise. * postreload-gcse.c (alloc_mem, compute_hash_table): Likewise. * postreload.c (reload_cse_regs_1): Likewise. * predict.c (strip_predict_hints, tree_bb_level_predictions, tree_estimate_probability, expensive_function_p, estimate_bb_frequencies, compute_function_frequency): Likewise. * profile.c (is_inconsistent, compute_branch_probabilities, branch_prob): Likewise. * ree.c (find_removable_extensions): Likewise. * reg-stack.c (compensate_edges, convert_regs, reg_to_stack): Likewise. * regcprop.c (copyprop_hardreg_forward): Likewise. * reginfo.c (init_subregs_of_mode): Likewise. * regrename.c (regrename_analyze): Likewise. * regstat.c (regstat_compute_ri, regstat_compute_calls_crossed): Likewise. * reload1.c (has_nonexceptional_receiver, reload, calculate_elim_costs_all_insns): Likewise. * resource.c (init_resource_info, free_resource_info): Likewise. * sched-ebb.c (schedule_ebbs): Likewise. * sched-rgn.c (is_cfg_nonregular, find_single_block_region, haifa_find_rgns, sched_rgn_local_init): Likewise. * sel-sched-dump.c (sel_dump_cfg_2): Likewise. * sel-sched-ir.c (init_lv_sets, free_lv_sets, make_regions_from_the_rest): Likewise. * sese.c (build_sese_loop_nests, sese_build_liveouts): Likewise. * stack-ptr-mod.c (notice_stack_pointer_modification): Likewise. * store-motion.c (compute_store_table, build_store_vectors, one_store_motion_pass): Likewise. * tracer.c (tail_duplicate): Likewise. * trans-mem.c (compute_transaction_bits): Likewise. * tree-call-cdce.c (tree_call_cdce): Likewise. * tree-cfg.c (replace_loop_annotate, factor_computed_gotos, fold_cond_expr_cond, make_edges, assign_discriminators, make_abnormal_goto_edges, cleanup_dead_labels, group_case_labels, dump_cfg_stats, gimple_verify_flow_info, print_loop, execute_fixup_cfg): Likewise. * tree-cfgcleanup.c (cleanup_tree_cfg_1, merge_phi_nodes): Likewise. * tree-complex.c (init_dont_simulate_again, tree_lower_complex): Likewise. * tree-dfa.c (collect_dfa_stats, dump_enumerated_decls): Likewise. * tree-eh.c (execute_lower_resx, execute_lower_eh_dispatch, mark_reachable_handlers): Likewise. * tree-emutls.c (lower_emutls_function_body): Likewise. * tree-if-conv.c (main_tree_if_conversion): Likewise. * tree-inline.c (optimize_inline_calls): Likewise. * tree-into-ssa.c (rewrite_into_ssa, update_ssa): Likewise. * tree-nrv.c (tree_nrv, execute_return_slot_opt): Likewise. * tree-object-size.c (compute_object_sizes): Likewise. * tree-outof-ssa.c (eliminate_useless_phis, rewrite_trees, insert_backedge_copies, tree_profiling): Likewise. * tree-scalar-evolution.c (scev_const_prop): Likewise. * tree-sra.c (scan_function, sra_modify_function_body, propagate_dereference_distances, ipa_sra_modify_function_body, convert_callers): Likewise. * tree-ssa-ccp.c (ccp_initialize, execute_fold_all_builtins): Likewise. * tree-ssa-coalesce.c (build_ssa_conflict_graph): Likewise. create_outofssa_var_map, coalesce_partitions): Likewise. * tree-ssa-copy.c (init_copy_prop): Likewise. * tree-ssa-copyrename.c (rename_ssa_copies): Likewise. * tree-ssa-dce.c (find_obviously_necessary_stmts, eliminate_unnecessary_stmts): Likewise. * tree-ssa-dom.c (free_all_edge_infos, tree_ssa_dominator_optimize): Likewise. * tree-ssa-forwprop.c (ssa_forward_propagate_and_combine): Likewise. * tree-ssa-live.c (clear_unused_block_pointer, remove_unused_locals, new_tree_live_info, calculate_live_on_exit, dump_live_info, analyze_memory_references, fill_always_executed_in, tree_ssa_lim_finalize): Likewise. * tree-ssa-loop-manip.c (find_uses_to_rename, verify_loop_closed_ssa): Likewise. * tree-ssa-math-opts.c (execute_cse_reciprocals, execute_cse_sincos, execute_optimize_bswap, execute_optimize_widening_mul): Likewise. * tree-ssa-propagate.c (substitute_and_fold): Likewise. * tree-ssa-structalias.c (compute_points_to_sets): Likewise. * tree-ssa-tail-merge.c (find_same_succ, reset_cluster_vectors): Likewise. * tree-ssa-ter.c (find_replaceable_exprs): Likewise. * tree-ssa-threadupdate.c (thread_through_all_blocks): Likewise. * tree-ssa-uncprop.c (associate_equivalences_with_edges, tree_ssa_uncprop): Likewise. * tree-ssa-uninit.c (warn_uninitialized_vars, execute_late_warn_uninitialized): Likewise. * tree-ssa.c (verify_ssa, execute_update_addresses_taken): Likewise. * tree-stdarg.c (check_all_va_list_escapes, execute_optimize_stdarg): Likewise. * tree-switch-conversion.c (do_switchconv): Likewise. * tree-vect-generic.c (expand_vector_operations): Likewise. * tree-vectorizer.c (adjust_simduid_builtins, note_simd_array_uses, execute_vect_slp): Likewise. * tree-vrp.c (check_all_array_refs, remove_range_assertions, vrp_initialize, identify_jump_threads, instrument_memory_accesses): Likewise. * ubsan.c (ubsan_pass): Likewise. * value-prof.c (verify_histograms, gimple_value_profile_transformations, gimple_find_values_to_profile): Likewise. * var-tracking.c (vt_find_locations, dump_dataflow_sets, vt_emit_notes, vt_initialize, delete_debug_insns, vt_finalize): Likewise. gcc/testsuite/ * g++.dg/plugin/selfassign.c (execute_warn_self_assign): Eliminate use of FOR_EACH_BB in favor of FOR_EACH_BB_FN, to make use of cfun explicit. * gcc.dg/plugin/selfassign.c (execute_warn_self_assign): Likewise. From-SVN: r205828
2013-11-28re PR target/57293 (not needed frame pointers on IA-32 (performance ↵Vladimir Makarov1-3/+9
regression?)) 2013-11-28 Vladimir Makarov <vmakarov@redhat.com> PR target/57293 * ira.h (ira_setup_eliminable_regset): Remove parameter. * ira.c (ira_setup_eliminable_regset): Ditto. Add SUPPORTS_STACK_ALIGNMENT for crtl->stack_realign_needed. Don't call lra_init_elimination. (ira): Call ira_setup_eliminable_regset without arguments. * loop-invariant.c (calculate_loop_reg_pressure): Remove argument from ira_setup_eliminable_regset call. * gcse.c (calculate_bb_reg_pressure): Ditto. * haifa-sched.c (sched_init): Ditto. * lra.h (lra_init_elimination): Remove the prototype. * lra-int.h (lra_insn_recog_data): New member sp_offset. Move used_insn_alternative upper. (lra_eliminate_regs_1): Add one more parameter. (lra-eliminate): Ditto. * lra.c (lra_invalidate_insn_data): Set sp_offset. (setup_sp_offset): New. (lra_process_new_insns): Call setup_sp_offset. (lra): Add argument to lra_eliminate calls. * lra-constraints.c (get_equiv_substitution): Rename to get_equiv. (get_equiv_with_elimination): New. (process_addr_reg): Call get_equiv_with_elimination instead of get_equiv_substitution. (equiv_address_substitution): Ditto. (loc_equivalence_change_p): Ditto. (loc_equivalence_callback, lra_constraints): Ditto. (curr_insn_transform): Ditto. Print the sp offset (process_alt_operands): Prevent stack pointer reloads. (lra_constraints): Remove one argument from lra_eliminate call. Move it up. Mark used hard regs bfore it. Use get_equiv_with_elimination instead of get_equiv_substitution. * lra-eliminations.c (lra_eliminate_regs_1): Add parameter and assert for param values combination. Use sp offset. Add argument to lra_eliminate_regs_1 calls. (lra_eliminate_regs): Add argument to lra_eliminate_regs_1 call. (curr_sp_change): New static var. (mark_not_eliminable): Add parameter. Update curr_sp_change. Don't prevent elimination to sp if we can calculate its change. Pass the argument to mark_not_eliminable calls. (eliminate_regs_in_insn): Add a parameter. Use sp offset. Add argument to lra_eliminate_regs_1 call. (update_reg_eliminate): Move calculation of hard regs for spill lower. Switch off lra_in_progress temporarily to generate regs involved into elimination. (lra_init_elimination): Rename to init_elimination. Make it static. Set up insn sp offset, check the offsets at the end of BBs. (process_insn_for_elimination): Add parameter. Pass its value to eliminate_regs_in_insn. (lra_eliminate): : Add parameter. Pass its value to process_insn_for_elimination. Add assert for param values combination. Call init_elimination. Don't update offsets in equivalence substitutions. * lra-spills.c (assign_mem_slot): Don't call lra_eliminate_regs_1 for created stack slot. (remove_pseudos): Call lra_eliminate_regs_1 before changing memory onto stack slot. 2013-11-28 Vladimir Makarov <vmakarov@redhat.com> PR target/57293 * gcc.target/i386/pr57293.c: New. From-SVN: r205498
2013-11-27Also handle REG_XXX notes in spill_pseudosH.J. Lu1-0/+21
PR rtl-optimization/59311 * dwarf2cfi.c (dwf_regno): Assert reg isn't pseudo register. * lra-spills.c (spill_pseudos): Handle REG_XXX notes. From-SVN: r205468
2013-11-04re PR rtl-optimization/58968 (Powerpc -mlra cannot compile ormas1.f in ↵Vladimir Makarov1-23/+46
gamess Spec 2006 with -m32 -mcpu=power7 -O3 -mlra -w -ffast-math -funroll-loops) 2013-11-04 Vladimir Makarov <vmakarov@redhat.com> PR rtl-optimization/58968 * lra-spills.c (return_regno_p): New function. (lra_final_code_change): Use it. 2013-11-04 Vladimir Makarov <vmakarov@redhat.com> PR rtl-optimization/58968 * gfortran.dg/pr58968.f: New From-SVN: r204353
2013-10-31lra-spills.c (assign_spill_hard_regs): Remove statement terminator after ↵Robert Suchanek1-2/+2
comment. 2013-10-31 Robert Suchanek <Robert.Suchanek@imgtec.com> * lra-spills.c (assign_spill_hard_regs): Remove statement terminator after comment. From-SVN: r204285
2013-10-28lra-spills.c (lra_final_code_change): Remove useless move insns originated ↵Vladimir Makarov1-1/+23
from moves of pseudos. 2013-10-28 Vladimir Makarov <vmakarov@redhat.com> * lra-spills.c (lra_final_code_change): Remove useless move insns originated from moves of pseudos. From-SVN: r204140
2013-10-26revert: lra-spills.c (lra_final_code_change): Remove useless move insns.Vladimir Makarov1-15/+1
2013-10-26 Vladimir Makarov <vmakarov@redhat.com> Revert: 2013-10-25 Vladimir Makarov <vmakarov@redhat.com> * lra-spills.c (lra_final_code_change): Remove useless move insns. From-SVN: r204094
2013-10-252013-10-25 Vladimir Makarov <vmakarov@redhat.com>Vladimir Makarov1-1/+15
* config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_mode): New prototype. * config/rs6000/rs6000.c: Include ira.h. (TARGET_LRA_P): Redefine. (rs6000_legitimate_offset_address_p): Call legitimate_constant_pool_address_p in strict mode for LRA. (rs6000_legitimate_address_p): Ditto. (legitimate_lo_sum_address_p): Add code for LRA. Use lra_in_progress. (rs6000_emit_move): Add LRA version of code to generate load/store of SDmode values. (rs6000_secondary_memory_needed_mode): New. (rs6000_alloc_sdmode_stack_slot): Do nothing for LRA. (rs6000_secondary_reload_class): Return NO_REGS for LRA for constants, memory, and FP registers. (rs6000_lra_p): New. * config/rs6000/rs6000.h (SECONDARY_MEMORY_NEEDED_MODE): New macro. * config/rs6000/rs6000.opt (mlra): New option. * lra-spills.c (lra_final_code_change): Remove useless move insns. From-SVN: r204079
2013-04-26rtl.h (struct rtx_def): Add comment for field jump.Vladimir Makarov1-1/+8
2013-04-26 Vladimir Makarov <vmakarov@redhat.com> * rtl.h (struct rtx_def): Add comment for field jump. (LRA_SUBREG_P): New macro. * recog.c (register_operand): Check LRA_SUBREG_P. * lra.c (lra): Add note at the end of RTL code. Align non-empty stack frame. * lra-spills.c (lra_spill): Align stack after spilling pseudos. (lra_final_code_change): Skip subreg change for operators. * lra-eliminations.c (eliminate_regs_in_insn): Make return earlier if there are no operand changes. * lra-constraints.c (curr_insn_set): New. (match_reload): Set LRA_SUBREG_P. (emit_spill_move): Ditto. (check_and_process_move): Use curr_insn_set. Process only single set insns. Don't initialize sec_mem_p and change_p. (simplify_operand_subreg): Use LRA_SUBREG_P. (reg_in_class_p): New function. (process_alt_operands): Use it. Use #if HAVE_ATTR_enabled instead of #ifdef. Add code to remove cycling. (process_address): Check EXTRA_CONSTRAINT_STR. Process even if non-null disp. Reload inner instead of disp when base and index are null. Try to put lo_sum into register. (EBB_PROBABILITY_CUTOFF): Redefine probability in percents. (check_and_process_move): Move code for move cost check to simple_move_p. Remove equiv_substitution. (simple_move_p): New function. (curr_insn_transform): Initialize sec_mem_p and change_p. Set up curr_insn_set. Call check_and_process_move only for single set insns. Use the new function. Move call of check_and_process_move after operand equiv substitution and address process. From-SVN: r198344
2013-04-24revert: rtl.h (struct rtx_def): ...Vladimir Makarov1-8/+1
2013-04-24 Vladimir Makarov <vmakarov@redhat.com> Revert: 2013-04-24 Vladimir Makarov <vmakarov@redhat.com> * rtl.h (struct rtx_def): ... From-SVN: r198266
2013-04-24rtl.h (struct rtx_def): Add comment for field jump.Vladimir Makarov1-1/+8
2013-04-24 Vladimir Makarov <vmakarov@redhat.com> * rtl.h (struct rtx_def): Add comment for field jump. (LRA_SUBREG_P): New macro. * recog.c (register_operand): Check LRA_SUBREG_P. * lra.c (lra): Add note at the end of RTL code. Align non-empty stack frame. * lra-spills.c (lra_spill): Align stack after spilling pseudos. (lra_final_code_change): Skip subreg change for operators. * lra-eliminations.c (eliminate_regs_in_insn): Make return earlier if there are no operand changes. * lra-constraints.c (curr_insn_set): New. (match_reload): Set LRA_SUBREG_P. (emit_spill_move): Ditto. (check_and_process_move): Use curr_insn_set. Process only single set insns. Don't initialize sec_mem_p and change_p. (simplify_operand_subreg): Use LRA_SUBREG_P. (reg_in_class_p): New function. (process_alt_operands): Use it. Use #if HAVE_ATTR_enabled instead of #ifdef. Add code to remove cycling. (process_address): Check EXTRA_CONSTRAINT_STR. Process even if non-null disp. Reload inner instead of disp when base and index are null. Try to put lo_sum into register. (EBB_PROBABILITY_CUTOFF): Redefine probability in percents. (check_and_process_move): Move code for move cost check to simple_move_p. Remove equiv_substitution. (simple_move_p): New function. (curr_insn_transform): Initialize sec_mem_p and change_p. Set up curr_insn_set. Call check_and_process_move only for single set insns. Use the new function. Move call of check_and_process_move after operand equiv substitution and address process. From-SVN: r198252
2013-04-13emit-rtl.c (remove_insn): Do not call df_insn_delete here.Steven Bosscher1-1/+1
* emit-rtl.c (remove_insn): Do not call df_insn_delete here. * cfgrtl.c (delete_insn): Call it here instead. * lra-spills.c (lra_final_code_change): Use delete_insn. * haifa-sched.c (sched_remove_insn): Likewise. * sel-sched-ir.c (return_nop_to_pool): Clear INSN_DELETED_P for nops returning to the nop pool. (sel_remove_insn): Simplify the only_disconnect case via remove_insn, use delete_insn for definitive removal. Clear BLOCK_FOR_INSN. From-SVN: r197942
2013-02-26re PR middle-end/56461 (GCC is leaking lots of memory)Jakub Jelinek1-0/+1
PR middle-end/56461 * lra-spills.c (lra_spill): Free spill_hard_reg at the end. From-SVN: r196294
2013-01-10Update copyright years in gcc/Richard Sandiford1-2/+1
From-SVN: r195098
2012-10-29Remove trailing white spacesH.J. Lu1-8/+8
* lra-assigns.c: Remove trailing white spaces. * lra-coalesce.c: Likewise. * lra-constraints.c: Likewise. * lra-eliminations.c: Likewise. * lra-int.h: Likewise. * lra-spills.c: Likewise. * lra.c: Likewise. From-SVN: r192966
2012-10-28rtl.h (struct rtx_def): Add a comment for member unchanging.Vladimir Makarov1-4/+16
2012-10-28 Vladimir Makarov <vmakarov@redhat.com> * rtl.h (struct rtx_def): Add a comment for member unchanging. * lra-int.h (LRA_TEMP_CLOBBER_P): New macro. (lra_hard_reg_substitution): Rename to lra_final_code_change. * lra-constraints.c (match_reload): Mark temporary clobbers. * lra-spill.c (lra_hard_reg_substitution): Rename to lra_final_code_change. Remove temporary clobbers. * lra.c (lra): Rename to lra_final_code_change. From-SVN: r192897
2012-10-24re PR rtl-optimization/55055 (RTL check: expected code 'reg', have 'subreg' ↵Vladimir Makarov1-13/+48
in rhs_regno, at rtl.h:1123) 2012-10-24 Vladimir Makarov <vmakarov@redhat.com> PR rtl-optimization/55055 * lra-spills.c (alter_subregs): New function. (lra_hard_reg_substitution): Use it. From-SVN: r192779
2012-10-23dbxout.c (dbxout_symbol_location): Pass new argument to alter_subreg.Vladimir Makarov1-0/+611
2012-10-23 Vladimir Makarov <vmakarov@redhat.com> * dbxout.c (dbxout_symbol_location): Pass new argument to alter_subreg. * dwarf2out.c: Include ira.h and lra.h. (based_loc_descr, compute_frame_pointer_to_fb_displacement): Use lra_eliminate_regs for LRA instead of eliminate_regs. * expr.c (emit_move_insn_1): Pass an additional argument to emit_move_via_integer. Use emit_move_via_integer for LRA only if the insn is recognized. * emit-rtl.c (gen_rtx_REG): Add lra_in_progress. (validate_subreg): Don't check offset for LRA and floating point modes. * final.c (final_scan_insn, cleanup_subreg_operands): Pass new argument to alter_subreg. (walk_alter_subreg, output_operand): Ditto. (alter_subreg): Add new argument. * gcse.c (calculate_bb_reg_pressure): Add parameter to ira_setup_eliminable_regset call. * ira.c: Include lra.h. (ira_init_once, ira_init, ira_finish_once): Call lra_start_once, lra_init, lra_finish_once in anyway. (ira_setup_eliminable_regset): Add parameter. Remove need_fp. Call lra_init_elimination and mark HARD_FRAME_POINTER_REGNUM as living forever if frame_pointer_needed. (setup_reg_class_relations): Set up ira_reg_class_subset. (ira_reg_equiv_invariant_p, ira_reg_equiv_const): Remove. (find_reg_equiv_invariant_const): Ditto. (setup_reg_renumber): Use ira_equiv_no_lvalue_p instead of ira_reg_equiv_invariant_p. Skip caps for LRA. (setup_reg_equiv_init, ira_update_equiv_info_by_shuffle_insn): New functions. (ira_reg_equiv_len, ira_reg_equiv): New externals. (ira_reg_equiv): New. (ira_expand_reg_equiv, init_reg_equiv, finish_reg_equiv): New functions. (no_equiv, update_equiv_regs): Use ira_reg_equiv instead of reg_equiv_init. (setup_reg_equiv): New function. (ira_use_lra_p): New global. (ira): Set up lra_simple_p and ira_conflicts_p. Set up and restore flag_caller_saves and flag_ira_region. Move initialization of ira_obstack and ira_bitmap_obstack upper. Call init_reg_equiv, setup_reg_equiv, and setup_reg_equiv_init instead of initialization of ira_reg_equiv_len, ira_reg_equiv_invariant_p, and ira_reg_equiv_const. Call ira_setup_eliminable_regset with a new argument. Don't flatten IRA IRA for LRA. Don't reassign conflict allocnos for LRA. Call finish_reg_equiv. (do_reload): Prepare code for LRA call. Call LRA. * ira.h (ira_use_lra_p): New external. (struct target_ira): Add members x_ira_class_subset_p x_ira_reg_class_subset, and x_ira_reg_classes_intersect_p. (ira_class_subset_p, ira_reg_class_subset): New macros. (ira_reg_classes_intersect_p): New macro. (struct ira_reg_equiv): New. (ira_setup_eliminable_regset): Add an argument. (ira_expand_reg_equiv, ira_update_equiv_info_by_shuffle_insn): New prototypes. * ira-color.c (color_pass, move_spill_restore, coalesce_allocnos): Use ira_equiv_no_lvalue_p. (coalesce_spill_slots, ira_sort_regnos_for_alter_reg): Ditto. * ira-emit.c (ira_create_new_reg): Call ira_expand_reg_equiv. (generate_edge_moves, change_loop) Use ira_equiv_no_lvalue_p. (emit_move_list): Simplify code. Call ira_update_equiv_info_by_shuffle_insn. Use ira_reg_equiv instead of ira_reg_equiv_invariant_p and ira_reg_equiv_const. Change assert. * ira-int.h (struct target_ira_int): Remove x_ira_class_subset_p and x_ira_reg_classes_intersect_p. (ira_class_subset_p, ira_reg_classes_intersect_p): Remove. (ira_reg_equiv_len, ira_reg_equiv_invariant_p): Ditto. (ira_reg_equiv_const): Ditto. (ira_equiv_no_lvalue_p): New function. * jump.c (true_regnum): Always use hard_regno for subreg_get_info when lra is in progress. * haifa-sched.c (sched_init): Pass new argument to ira_setup_eliminable_regset. * loop-invariant.c (calculate_loop_reg_pressure): Pass new argument to ira_setup_eliminable_regset. * lra.h: New. * lra-int.h: Ditto. * lra.c: Ditto. * lra-assigns.c: Ditto. * lra-constraints.c: Ditto. * lra-coalesce.c: Ditto. * lra-eliminations.c: Ditto. * lra-lives.c: Ditto. * lra-spills.c: Ditto. * Makefile.in (LRA_INT_H): New. (OBJS): Add lra.o, lra-assigns.o, lra-coalesce.o, lra-constraints.o, lra-eliminations.o, lra-lives.o, and lra-spills.o. (dwarf2out.o): Add dependence on ira.h and lra.h. (ira.o): Add dependence on lra.h. (lra.o, lra-assigns.o, lra-coalesce.o, lra-constraints.o): New entries. (lra-eliminations.o, lra-lives.o, lra-spills.o): Ditto. * output.h (alter_subreg): Add new argument. * rtlanal.c (simplify_subreg_regno): Permit mode changes for LRA. Permit ARG_POINTER_REGNUM and STACK_POINTER_REGNUM for LRA. * recog.c (general_operand, register_operand): Accept paradoxical FLOAT_MODE subregs for LRA. (scratch_operand): Accept pseudos for LRA. * rtl.h (lra_in_progress): New external. (debug_bb_n_slim, debug_bb_slim, print_value_slim): New prototypes. (debug_rtl_slim, debug_insn_slim): Ditto. * sdbout.c (sdbout_symbol): Pass new argument to alter_subreg. * sched-vis.c (print_value_slim): New. * target.def (lra_p): New hook. (register_priority): Ditto. (different_addr_displacement_p): Ditto. (spill_class): Ditto. * target-globals.h (this_target_lra_int): New external. (target_globals): New member lra_int. (restore_target_globals): Restore this_target_lra_int. * target-globals.c: Include lra-int.h. (default_target_globals): Add &default_target_lra_int. * targhooks.c (default_lra_p): New function. (default_register_priority): Ditto. (default_different_addr_displacement_p): Ditto. * targhooks.h (default_lra_p): Declare. (default_register_priority): Ditto. (default_different_addr_displacement_p): Ditto. * timevar.def (TV_LRA, TV_LRA_ELIMINATE, TV_LRA_INHERITANCE): New. (TV_LRA_CREATE_LIVE_RANGES, TV_LRA_ASSIGN, TV_LRA_COALESCE): New. * config/arm/arm.c (load_multiple_sequence): Pass new argument toOB alter_subreg. (store_multiple_sequence): Ditto. * config/i386/i386.h (enum ix86_tune_indices): Add X86_TUNE_GENERAL_REGS_SSE_SPILL. (TARGET_GENERAL_REGS_SSE_SPILL): New macro. * config/i386/i386.c (initial_ix86_tune_features): Set up X86_TUNE_GENERAL_REGS_SSE_SPILL for m_COREI7 and m_CORE2I7. (ix86_lra_p, ix86_register_priority): New functions. (ix86_secondary_reload): Add NON_Q_REGS, SIREG, DIREG. (inline_secondary_memory_needed): Change assert. (ix86_spill_class): New function. (TARGET_LRA_P, TARGET_REGISTER_BANK, TARGET_SPILL_CLASS): New macros. * config/m68k/m68k.c (emit_move_sequence): Pass new argument to alter_subreg. * config/m32r/m32r.c (gen_split_move_double): Ditto. * config/pa/pa.c (pa_emit_move_sequence): Ditto. * config/sh/sh.md: Ditto. * config/v850/v850.c (v850_reorg): Ditto. * config/xtensa/xtensa.c (fixup_subreg_mem): Ditto. * doc/md.texi: Add new interpretation of hint * for LRA. * doc/passes.texi: Describe LRA pass. * doc/tm.texi.in: Add TARGET_LRA_P, TARGET_REGISTER_PRIORITY, TARGET_DIFFERENT_ADDR_DISPLACEMENT_P, and TARGET_SPILL_CLASS. * doc/tm.texi: Update. From-SVN: r192719