| Age | Commit message (Collapse) | Author | Files | Lines |
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* basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
single_pred_edge, single_succ, single_pred): New inline functions.
* bb-reorder.c (rotate_loop, find_traces_1_round,
add_labels_and_missing_jumps, fix_up_fall_thru_edges,
duplicate_computed_gotos): Use the single_succ/pred functions.
* cfganal.c (forwarder_block_p): Ditto.
* cfgbuild.c (compute_outgoing_frequencies): Ditto.
* cfgcleanup.c (try_simplify_condjump, try_forward_edges,
outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
merge_seq_blocks): Ditto.
* cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
* cfglayout.c (fixup_reorder_chain): Ditto.
* cfgloop.c (mark_single_exit_loops, update_latch_info,
canonicalize_loop_headers, verify_loop_structure): Ditto.
* cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
mfb_update_loops, create_preheader, force_single_succ_latches,
create_loop_notes): Ditto.
* cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
commit_one_edge_insertion, purge_dead_edges,
cfg_layout_can_merge_blocks_p): Ditto.
* except.c (sjlj_emit_function_enter): Ditto.
* flow.c (init_propagate_block_info): Ditto.
* function.c (thread_prologue_and_epilogue_insns): Ditto.
* gcse.c (find_implicit_sets, bypass_conditional_jumps,
insert_insn_end_bb): Ditto.
* ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
find_if_case_2): Ditto.
* lambda-code.c (perfect_nestify): Ditto.
* lcm.c (optimize_mode_switching): Ditto.
* loop-doloop.c (doloop_modify): Ditto.
* loop-init.c (loop_optimizer_init): Ditto.
* loop-iv.c (simplify_using_initial_values): Ditto.
* loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
* loop-unswitch.c (unswitch_loop): Ditto.
* modulo-sched.c (generate_prolog_epilog): Ditto.
* predict.c (combine_predictions_for_insn, estimate_probability,
tree_estimate_probability, last_basic_block_p,
estimate_bb_frequencies): Ditto.
* profile.c (branch_prob): Ditto.
* regrename.c (copyprop_hardreg_forward): Ditto.
* sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
* tracer.c (layout_superblocks): Ditto.
* tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
cfg_remove_useless_stmts_bb, cleanup_control_flow,
cleanup_control_expr_graph, disband_implicit_edges,
tree_find_edge_insert_loc, bsi_commit_edge_inserts,
tree_verify_flow_info, tree_make_forwarder_block,
tree_forwarder_block_p, remove_forwarder_block,
remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
* tree-if-conv.c (tree_if_conversion): Ditto.
* tree-mudflap.c (mf_build_check_statement_for): Ditto.
* tree-ssa-dce.c (remove_dead_stmt): Ditto.
* tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
* tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
copy_loop_headers): Ditto.
* tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
* tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
* tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
* tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
* tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
* tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
* tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
* tree-ssa-threadupdate.c (redirect_edges): Ditto.
* tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
* tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
* tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
* tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
slpeel_add_loop_guard): Ditto.
From-SVN: r96292
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* cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
config/m68k/m68k.c, config/mips/mips.h,
config/rs6000/rs6000-protos.h, doc/contrib.texi,
doc/include/gcc-common.texi: Update copyright.
From-SVN: r95781
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* cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
flow_loop_pre_header_scan, flow_loop_pre_header_find,
flow_loop_scan): Removed.
(flow_loop_dump): Do not dump removed fields.
(flow_loop_free): Do not free removed fields.
(flow_loops_find): Flags argument removed. Do not call flow_loop_scan.
(loop_exit_edge_p): New function.
* cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
num_pre_header_edges, entry_edges, num_entries, exit_edges,
num_exits, exits_doms.
(LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
LOOP_EDGES, LOOP_ALL): Removed.
(flow_loop_scan): Declaration removed.
(loop_exit_edge_p, mark_loop_exit_edges): Declare.
* cfgloopmanip.c (create_loop_notes): Do not pass flags to
flow_loops_find.
* ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
(if_convert): Call flow_loops_find and flow_loops_free
when calling mark_loop_exit_edges.
* cfgloopanal.c (mark_loop_exit_edges): Moved from
ifcvt.c. Removed the flow_loops_find, flow_loops_free and
free_dominance_info calls.
* loop-init.c (flow_loops_find): Ditto.
* passes.c (rest_of_handle_branch_prob): Ditto.
* lambda-code.c (perfect_nestify): Do not call flow_loops_find.
* loop-unroll.c (analyze_insns_in_loop): Do not use
EDGE_LOOP_EXIT.
* predict.c (predict_loops): Do not call flow_loop_scan.
Use get_loop_exit_edges.
(tree_estimate_probability): Do not pass flags to flow_loops_find.
* tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
Do not use EDGE_LOOP_EXIT.
(tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
to bb_with_exit_edge_p.
(if_convertible_loop_p): Do not call flow_loop_scan. Use
loop->single_exit. Do not use EDGE_LOOP_EXIT. Pass loop
to bb_with_exit_edge_p.
(combine_blocks): Pass loop to bb_with_exit_edge_p. Do not use
EDGE_LOOP_EXIT.
* tree-loop-linear.c (linear_transform_loops): Do not call
flow_loop_scan. Use loop->single_exit.
* tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
(vect_analyze_loop_form): Do not call flow_loop_scan.
* tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
loop->single_exit.
(vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
loop->single_exit.
* tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
slpeel_tree_duplicate_loop_to_edge_cfg,
slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
Use loop_preheader_edge and loop->single_exit. Do not call
flow_loop_scan.
From-SVN: r95738
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* bitmap.h (struct bitmap_obstack): New obstack type.
(struct bitmap_head_def): Replace using_obstack with obstack
pointer.
(bitmap_default_obstack): New.
(bitmap_initialize): Make inline, does not do allocation.
(bitmap_release_memory): Remove.
(bitmap_obstack_initialize, bitmap_obstack_release): Declare.
(bitmap_obstack_alloc, bitmap_malloc_alloc, bitmap_gc_alloc,
bitmap_obstack_free, bitmap_malloc_free): Declare.
(BITMAP_OBSTACK_ALLOC, BITMAP_GGC_ALLOC, BITMAP_XMALLOC): Adjust.
(BITMAP_FREE): Replace with ...
(BITMAP_OBSTACK_FREE): ... this.
(BITMAP_XFREE): Adjust.
(BITMAP_INIT_ONCE): Remove.
* bitmap.c (bitmap_obstack, bitmap_obstack_init, bitmap_free: Remove.
(bitmap_default_obstack): New.
(bitmap_elem_to_freelist): Adjust.
(bitmap_element_allocate): Adjust. Break initialization into ...
(bitmap_obstack_initialize): ... here.
(bitmap_release_memory): Replace with ...
(bitmap_obstack_release): ... this.
(bitmap_obstack_alloc, bitmap_malloc_alloc, bitmap_gc_alloc,
bitmap_obstack_free, bitmap_malloc_free): New.
(bitmap_ior_and_compl, bitmap_ior_and_compl_into): Use
bitmap_initialize.
(bitmap_initialize): Move to bitmap.h.
* gengtype.c (open_base_files): Add obstack.h to ifiles.
* Makefile.in (BASIC_BLOCK_H, REGS_H): Add obstack.h.
* basic-block.h (INIT_REG_SET): Allocate from reg_obstack.
(INITIALIZE_REG_SET): Remove.
(FREE_REG_SET): Use BITMAP_OBSTACK_FREE.
(INIT_ONCE_REG_SET, MAX_REGNO_REG_SET): Remove.
(flow_obstack): Do not declare.
(reg_obstack): Declare.
* regs.h: Include obstack.h.
* tree-optimize.c (tree_rest_of_compilation): Initialize and
release bitmap obstack here.
* bb-reorder.c: #include regs, not basic-block.
(fix_crossing_conditional_branches): Allocate regsets from
reg_obstack.
* bt-load.c: Do not inlude bitmap.h, sbitmap.h, basic-block.h or
obstack.h.
* caller-save.c: Include regs.h earlier.
* cfg.c: Do not include basic-block.h or obstack.h.
(reg_obstack): Define.
* cfganal.c: Include obstack.h
* cfgcleanyp.c: Do not include basic-block.h. Include regs.h
earlier.
* cfglayout.c: Do not include obstack.h.
(flow_obstack): Remove declaration.
(cfg_layout_duplicate_bb): Use reg_obstack.
* cfgloop.c, cfgloopanal.c, cfgloopmanip.c: Include obstack.h.
* cfgrtl.c (rtl_split_block): Use reg_obstack.
(force_nonfallthru_and_redirect, rtl_split_edge): Likewise.
(safe_insert_insn_on_edge): Use OBSTACK_ALLOC_REG_SET, adjust.
(cfg_layout_split_edge): Use reg_obstack.
* cse.c: Include regs.h earlier.
* ddg.c: Do not include basic-block.h.
* dominance.c: Inlude obstack.h.
* flow.c (update_life_info): Use OBSTACK_ALLOC_REG_SET, adjust.
(calculate_global_regs_live): Likewise.
(allocate_bb_life_data): Use reg_obstack.
(init_propagate_block_info): Use OBSTACK_ALLOC_REGSET.
* global.c: Do not include basic-block.h.
(build_insn_chain): Use OBSTACK_ALLOC_REG_SET, adjust.
* graph.c: Include obstack.h.
* haifa-sched.c: Do not include basic-block.h.
* ifcvt.c: Use OBSTACK_ALLOC_REG_SET, adjust.
* local-alloc.c: Do not include basic-block.h.
* loop-init.c, loop-invariant.c: Include obstack.h.
* loop-iv.c: Likewise.
(simplify_using_initial_values): Use OBSTACK_ALLOC_REG_SET,
adjust.
* loop-unroll.c, loop-unswitch.c: Inlude obstack.h.
* modulo-sched.c: Do not include basic-block.h.
* passes.c (rest_of_handle_final): Do not call
regset_release_memory.
* ra-debug.c: Include regs.h earlier. Do not include
basic-block.h.
* recog.c (peephole2_optimize): Use OBSTACK_ALLOC_REG_SET, adjust.
* regclass.c (init_reg_sets): Do not call INIT_ONCE_REG_SET.
(allocate_reg_info): Do not call MAX_REGNO_REG_SET.
(regset_release_memory): Remove.
* resource.c: Do not include basic-block.h.
* rtlanal.c: Do not include basic-block.h.
* sbitmap.c: Include obstack.h.
* sched-deps.c: Do not include basic-block.h.
(reg_pending_sets_head, reg_pending_clobbers_head,
reg_pending_uses_head): Remove.
(init_deps_global): Use OBSTACK_ALLOC_REG_SET.
* sched-ebb.c: Do not include basic-block.h.
* sched-rgn.c: Likewise.
* tree-if-conv.c (get_loop_body_in_if_conv_order): Use
BITMAP_XFREE.
* tree-outof-ssa.c (perform_edge_inserts): Use BITMAP_XFREE.
* tree-sra.c (decide_instantiations): Adjust bitmap
initialization.
* tree-ssa-dce.c: Include obstack.h.
* tree-ssa-pre.c (grand_bitmap_obstack): Make a bitmap_obstack.
(value_insert_into_set_bitmap): Remove useless bitmap_clear.
(bitmap_set_new): Likewise.
(init_pre): Initialize bitmap obstack.
(fini_pre): Release bitmap obstack.
* tree-ssanames.c (ssa_names_to_rewrite): Make static.
(marked_for_rewrite_p): ssa_names_to_rewrite is never NULL.
(mark_for_rewrite, unmark_for_rewrite): Likewise.
(marked_ssa_names): Likewise.
(init_ssanames): Use BITMAP_XMALLOC.
(fini_ssanames): Use BITMAP_XFREE.
* web.c: Include obstack.h
From-SVN: r91009
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2004-09-24 Ben Elliston <bje@au.ibm.com>
Steven Bosscher <stevenb@suse.de>
Andrew Pinski <pinskia@physics.uc.edu>
Merge from edge-vector-branch:
* basic-block.h: Include vec.h, errors.h. Instantiate a VEC(edge).
(struct edge_def): Remove pred_next, succ_next members.
(struct basic_block_def): Remove pred, succ members. Add preds
and succs members of type VEC(edge).
(FALLTHRU_EDGE): Redefine using EDGE_SUCC.
(BRANCH_EDGE): Likewise.
(EDGE_CRITICAL_P): Redefine using EDGE_COUNT.
(EDGE_COUNT, EDGE_I, EDGE_PRED, EDGE_SUCC): New.
(edge_iterator): New.
(ei_start, ei_last, ei_end_p, ei_one_before_end_p): New.
(ei_next, ei_prev, ei_edge, ei_safe_edge): Likewise.
(FOR_EACH_EDGE): New.
* bb-reorder.c (find_traces): Use FOR_EACH_EDGE and EDGE_* macros
where applicable.
(rotate_loop): Likewise.
(find_traces_1_route): Likewise.
(bb_to_key): Likewise.
(connect_traces): Likewise.
(copy_bb_p): Likewise.
(find_rarely_executed_basic_blocks_and_crossing_edges): Likewise.
(add_labels_and_missing_jumps): Likewise.
(fix_up_fall_thru_edges): Likewise.
(find_jump_block): Likewise.
(fix_crossing_conditional_branches): Likewise.
(fix_crossing_unconditional_branches): Likewise.
(add_reg_crossing_jump_notes): Likewise.
* bt-load.c (augment_live_range): Likewise.
* cfg.c (clear_edges): Likewise.
(unchecked_make_edge): Likewise.
(cached_make_edge): Likewise.
(make_single_succ_edge): Likewise.
(remove_edge): Likewise.
(redirect_edge_succ_nodup): Likewise.
(check_bb_profile): Likewise.
(dump_flow_info): Likewise.
(alloc_aux_for_edges): Likewise.
(clear_aux_for_edges): Likewise.
(dump_cfg_bb_info): Likewise.
* cfganal.c (forwarder_block_p): Likewise.
(can_fallthru): Likewise.
(could_fall_through): Likewise.
(mark_dfs_back_edges): Likewise.
(set_edge_can_fallthru_flag): Likewise.
(find_unreachable_blocks): Likewise.
(create_edge_list): Likewise.
(verify_edge_list): Likewise.
(add_noreturn_fake_exit_edges): Likewise.
(connect_infinite_loops_to_exit): Likewise.
(flow_reverse_top_sort_order_compute): Likewise.
(flow_depth_first_order_compute): Likewise.
(flow_preorder_transversal_compute): Likewise.
(flow_dfs_compute_reverse_execute): Likewise.
(dfs_enumerate_from): Likewise.
(compute_dominance_frontiers_1): Likewise.
* cfgbuild.c (make_edges): Likewise.
(compute_outgoing_frequencies): Likewise.
(find_many_sub_basic_blocks): Likewise.
(find_sub_basic_blocks): Likewise.
* cfgcleanup.c (try_simplify_condjump): Likewise.
(thread_jump): Likewise.
(try_forward_edges): Likewise.
(merge_blocks_move): Likewise.
(outgoing_edges_match): Likewise.
(try_crossjump_to_edge): Likewise.
(try_crossjump_bb): Likewise.
(try_optimize_cfg): Likewise.
(merge_seq_blocks): Likewise.
* cfgexpand.c (expand_gimple_tailcall): Likewise.
(expand_gimple_basic_block): Likewise.
(construct_init_block): Likewise.
(construct_exit_block): Likewise.
* cfghooks.c (verify_flow_info): Likewise.
(dump_bb): Likewise.
(delete_basic_block): Likewise.
(split_edge): Likewise.
(merge_blocks): Likewise.
(make_forwarder_block): Likewise.
(tidy_fallthru_edges): Likewise.
(can_duplicate_block_p): Likewise.
(duplicate_block): Likewise.
* cfglayout.c (fixup_reorder_chain): Likewise.
(fixup_fallthru_exit_predecessor): Likewise.
(can_copy_bbs_p): Likewise.
(copy_bbs): Likewise.
* cfgloop.c (flow_loops_cfg_dump): Likewise.
(flow_loop_entry_edges_find): Likewise.
(flow_loop_exit_edges_find): Likewise.
(flow_loop_nodes_find): Likewise.
(mark_single_exit_loops): Likewise.
(flow_loop_pre_header_scan): Likewise.
(flow_loop_pre_header_find): Likewise.
(update_latch_info): Likewise.
(canonicalize_loop_headers): Likewise.
(flow_loops_find): Likewise.
(get_loop_body_in_bfs_order): Likewise.
(get_loop_exit_edges): Likewise.
(num_loop_branches): Likewise.
(verify_loop_structure): Likewise.
(loop_latch_edge): Likewise.
(loop_preheader_edge): Likewise.
* cfgloopanal.c (mark_irreducible_loops): Likewise.
(expected_loop_iterations): Likewise.
* cfgloopmanip.c (remove_bbs): Likewise.
(fix_bb_placement): Likewise.
(fix_irreducible_loops): Likewise.
(remove_path): Likewise.
(scale_bbs_frequencies): Likewise.
(loopify): Likewise.
(unloop): Likewise.
(fix_loop_placement): Likewise.
(loop_delete_branch_edge): Likewise.
(duplicate_loop_to_header_edge): Likewise.
(mfb_keep_just): Likewise.
(create_preheader): Likewise.
(force_single_succ_latches): Likewise.
(loop_split_edge_with): Likewise.
(create_loop_notes): Likewise.
* cfgrtl.c (rtl_split_block): Likewise.
(rtl_merge_blocks): Likewise.
(rtl_can_merge_blocks): Likewise.
(try_redirect_by_replacing_jump): Likewise.
(force_nonfallthru_and_redirect): Likewise.
(rtl_tidy_fallthru_edge): Likewise.
(commit_one_edge_insertion): Likewise.
(commit_edge_insertions): Likewise.
(commit_edge_insertions_watch_calls): Likewise.
(rtl_verify_flow_info_1): Likewise.
(rtl_verify_flow_info): Likewise.
(purge_dead_edges): Likewise.
(cfg_layout_redirect_edge_and_branch): Likewise.
(cfg_layout_can_merge_blocks_p): Likewise.
(rtl_flow_call_edges_add): Likewise.
* cse.c (cse_cc_succs): Likewise.
* df.c (hybrid_search): Likewise.
* dominance.c (calc_dfs_tree_nonrec): Likewise.
(calc_dfs_tree): Likewise.
(calc_idoms): Likewise.
(recount_dominator): Likewise.
* domwalk.c (walk_dominator_tree): Likewise.
* except.c (emit_to_new_bb_before): Likewise.
(connect_post_landing_pads): Likewise.
(sjlj_emit_function_enter): Likewise.
(sjlj_emit_function_exit): Likewise.
(finish_eh_generation): Likewise.
* final.c (compute_alignments): Likewise.
* flow.c (calculate_global_regs_live): Likewise.
(initialize_uninitialized_subregs): Likewise.
(init_propagate_block_info): Likewise.
* function.c (thread_prologue_and_epilogue_insns): Likewise.
* gcse.c (find_implicit_sets): Likewise.
(bypass_block): Likewise.
(bypass_conditional_jumps): Likewise.
(compute_pre_data): Likewise.
(insert_insn_end_bb): Likewise.
(insert_store): Likewise.
(remove_reachable_equiv_notes): Likewise.
* global.c (global_conflicts): Likewise.
(calculate_reg_pav): Likewise.
* graph.c (print_rtl_graph_with_bb): Likewise.
* ifcvt.c (mark_loop_exit_edges): Likewise.
(merge_if_block): Likewise.
(find_if_header): Likewise.
(block_jumps_and_fallthru_p): Likewise.
(find_if_block): Likewise.
(find_cond_trap): Likewise.
(block_has_only_trap): Likewise.
(find_if_case1): Likewise.
(find_if_case_2): Likewise.
* lambda-code.c (lambda_loopnest_to_gcc_loopnest): Likewise.
(perfect_nestify): Likewise.
* lcm.c (compute_antinout_edge): Likewise.
(compute_laterin): Likewise.
(compute_available): Likewise.
(compute_nearerout): Likewise.
* loop-doloop.c (doloop_modify): Likewise.
* loop-init.c (loop_optimizer_init): Likewise.
* loop-invariant.c (find_exits): Likewise.
* loop-iv.c (simplify_using_initial_values): Likewise.
(check_simple_exit): Likewise.
(find_simple_exit): Likewise.
* loop-unroll.c (peel_loop_completely): Likewise.
(unroll_loop_constant_iterations): Likewise.
(unroll_loop_runtime_iterations): Likewise.
* loop-unswitch.c (may_unswitch_on): Likewise.
(unswitch_loop): Likewise.
* modulo-sched.c (generate_prolog_epilog): Likewise.
(sms_schedule): Likewise.
* postreload-gcse.c (eliminate_partially_redundant_load):
Likewise.
* predict.c (can_predict_insn_p): Likewise.
(set_even_probabilities): Likewise.
(combine_predictions_for_bb): Likewise.
(predict_loops): Likewise.
(estimate_probability): Likewise.
(tree_predict_by_opcode): Likewise.
(tree_estimate_probability): Likewise.
(last_basic_block_p): Likewise.
(propagate_freq): Likewise.
(estimate_loops_at_level): Likewise.
(estimate_bb_frequencies): Likewise.
* profile.c (instrument_edges): Likewise.
(get_exec_counts): Likewise.
(compute_branch_probabilities): Likewise.
(branch_prob): Likewise.
* ra-build.c (live_in): Likewise.
* ra-rewrite.c (rewrite_program2): Likewise.
* ra.c (reg_alloc): Likewise.
* reg-stack.c (reg_to_stack): Likewise.
(convert_regs_entry): Likewise.
(compensate_edge): Likewise.
(convert_regs_1): Likewise,
(convert_regs_2): Likewise.
(convert_regs): Likewise.
* regrename.c (copyprop_hardreg_forward): Likewise.
* reload1.c (fixup_abnormal_edges): Likewise.
* sbitmap.c (sbitmap_intersection_of_succs): Likewise.
(sbitmap_insersection_of_preds): Likewise.
(sbitmap_union_of_succs): Likewise.
(sbitmap_union_of_preds): Likewise.
* sched-ebb.c (compute_jump_reg_dependencies): Likewise.
(fix_basic_block_boundaries): Likewise.
(sched_ebbs): Likewise.
* sched-rgn.c (build_control_flow): Likewise.
(find_rgns): Likewise.
* tracer.c (find_best_successor): Likewise.
(find_best_predecessor): Likewise.
(tail_duplicate): Likewise.
* tree-cfg.c (make_edges): Likewise.
(make_ctrl_stmt_edges): Likewise.
(make_goto_expr_edges): Likewise.
(tree_can_merge_blocks_p): Likewise.
(tree_merge_blocks): Likewise.
(cfg_remove_useless_stmts_bb): Likewise.
(remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
(tree_block_forwards_to): Likewise.
(cleanup_control_expr_graph): Likewise.
(find_taken_edge): Likewise.
(dump_cfg_stats): Likewise.
(tree_cfg2vcg): Likewise.
(disband_implicit_edges): Likewise.
(tree_find_edge_insert_loc): Likewise.
(bsi_commit_edge_inserts): Likewise.
(tree_split_edge): Likewise.
(tree_verify_flow_info): Likewise.
(tree_make_forwarder_block): Likewise.
(tree_forwarder_block_p): Likewise.
(thread_jumps): Likewise.
(tree_try_redirect_by_replacing_jump): Likewise.
(tree_split_block): Likewise.
(add_phi_args_after_copy_bb): Likewise.
(rewrite_to_new_ssa_names_bb): Likewise.
(dump_function_to_file): Likewise.
(print_pred_bbs): Likewise.
(print_loop): Likewise.
(tree_flow_call_edges_add): Likewise.
(split_critical_edges): Likewise.
(execute_warn_function_return): Likewise.
(extract_true_false_edges_from_block): Likewise.
* tree-if-conv.c (tree_if_conversion): Likewise.
(if_convertable_bb_p): Likewise.
(find_phi_replacement_condition): Likewise.
(combine_blocks): Likewise.
* tree-into-ssa.c (compute_global_livein): Likewise.
(ssa_mark_phi_uses): Likewise.
(ssa_rewrite_initialize_block): Likewise.
(rewrite_add_phi_arguments): Likewise.
(ssa_rewrite_phi_arguments): Likewise.
(insert_phi_nodes_for): Likewise.
(rewrite_into_ssa): Likewise.
(rewrite_ssa_into_ssa): Likewise.
* tree-mudflap.c (mf_build_check_statement_for): Likewise.
* tree-outof-ssa.c (coalesce_abnormal_edges): Likewise.
(rewrite_trees): Likewise.
* tree-pretty-print.c (dump_bb_header): Likewise.
(dump_implicit_edges): Likewise.
* tree-sra.c (insert_edge_copies): Likewise.
(find_obviously_necessary_stmts): Likewise.
(remove_data_stmt): Likewise.
* tree-ssa-dom.c (thread_across_edge): Likewise.
(dom_opt_finalize_block): Likewise.
(single_incoming_edge_ignoring_loop_edges): Likewise.
(record_equivalences_from_incoming_edges): Likewise.
(cprop_into_successor_phis): Likewise.
* tree-ssa-live.c (live_worklist): Likewise.
(calculate_live_on_entry): Likewise.
(calculate_live_on_exit): Likewise.
* tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Likewise.
(copy_loop_headers): Likewise.
* tree-ssa-loop-im.c (loop_commit_inserts): Likewise.
(fill_always_executed_in): Likewise.
* tree-ssa-loop-ivcanon.c (create_canonical_iv): Likewise.
* tree-ssa-loop-ivopts.c (find_interesting_uses): Likewise.
(compute_phi_arg_on_exit): Likewise.
* tree-ssa-loop-manip.c (add_exit_phis_edge): Likewise.
(get_loops_exit): Likewise.
(split_loop_exit_edge): Likewise.
(ip_normal_pos): Likewise.
* tree-ssa-loop-niter.c (simplify_using_initial_conditions):
Likewise.
* tree-ssa-phiopt.c (candidate_bb_for_phi_optimization): Likewise.
(replace_phi_with_stmt): Likewise.
(value_replacement): Likewise.
* tree-ssa-pre.c (compute_antic_aux): Likewise.
(insert_aux): Likewise.
(init_pre): Likewise.
* tree-ssa-propagate.c (simulate_stmt): Likewise.
(simulate_block): Likewise.
(ssa_prop_init): Likewise.
* tree-ssa-threadupdate.c (thread_block): Likewise.
(create_block_for_threading): Likewise.
(remove_last_stmt_and_useless_edges): Likewise.
* tree-ssa.c (verify_phi_args): Likewise.
(verify_ssa): Likewise.
* tree_tailcall.c (independent_of_stmt_p): Likewise.
(find_tail_calls): Likewise.
(eliminate_tail_call): Likewise.
(tree_optimize_tail_calls_1): Likewise.
* tree-vectorizer.c (vect_transform_loop): Likewise.
* var-tracking.c (prologue_stack_adjust): Likewise.
(vt_stack_adjustments): Likewise.
(vt_find_locations): Likewise.
* config/frv/frv.c (frv_ifcvt_modify_tests): Likewise.
* config/i386/i386.c (ix86_pad_returns): Likewise.
* config/ia64/ia64.c (ia64_expand_prologue): Likewise.
* config/rs6000/rs6000.c (rs6000_emit_prologue): Likewise.
Co-Authored-By: Andrew Pinski <pinskia@physics.uc.edu>
Co-Authored-By: Steven Bosscher <stevenb@suse.de>
From-SVN: r88222
|
|
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Do not
destroy dominance information.
* passes.c (rest_of_handle_loop2): Free dominance information.
* tree-cfg.c (cleanup_tree_cfg): Remove unreachable blocks before
jump threading.
(thread_jumps): Update dominance information and remove unreachable
blocks.
* tree-ssa-phiopt.c (replace_phi_with_stmt): Update dominance
information and remove the unreachable block.
From-SVN: r84873
|
|
* loop-invariant.c: New file.
* Makefile.in (loop-invariant.o): New.
* cfgloop.h (global_cost_for_size, init_set_costs,
move_loop_invariants): Declare.
* cfgloopanal.c (seq_cost, init_set_costs, global_cost_for_size): New
functions.
(avail_regs, res_regs, small_cost, pres_cost, spill_cost): New
variables.
* common.opt (floop-optimize2, fmove-loop-invariants): New options.
* loop-init.c (loop_optimizer_init): Call init_set_costs.
* passes.c (rest_of_handle_loop2): Call move_loop_invariants.
(rest_of_compilation): Check flag_loop_optimize2.
* toplev.c (process_options): Handle flag_loop_optimize2.
* doc/invoke.texi (-floop-optimize2, -fmove-loop-invariants): Document.
* doc/passes.texi (loop-invariant.c): Document.
From-SVN: r83419
|
|
gcc/
* cfgloop.h, cfgloopanal.c, cpplex.c, except.h, loop-init.c,
loop-unroll.c, scan-decls.c, scan.h, stor-layout.c,
xcoffout.c, xcoffout.h, config/arm/mmintrin.h,
config/mips/linux64.h, config/pa/pa-64.h,
config/rs6000/aix51.h, config/rs6000/aix52.h,
config/rs6000/spe.md, config/sparc/linux.h,
config/sparc/linux64.h: Update copyright.
gcc/cp/
* cp-tree.def, cvt.c: Update copyright.
From-SVN: r78032
|
|
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
|
|
Backport from tree-ssa (relevant changes only):
2003-12-18 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
* et-forest.h (et_forest_create, et_forest_delete,
et_forest_add_node, et_forest_add_edge, et_forest_remove_node,
et_forest_remove_edge, et_forest_parent,
et_forest_common_ancestor, et_forest_node_value,
et_forest_enumerate_sons): Declarations removed.
(struct et_node): New.
(et_new_tree, et_free_tree, et_set_father, et_split, et_nca,
et_below): Declare.
* et-forest.c (struct et_forest_occurrence, struct et_forest,
struct et_forest_node): Removed.
(et_forest_create, et_forest_delete,
et_forest_add_node, et_forest_add_edge, et_forest_remove_node,
et_forest_remove_edge, et_forest_parent,
et_forest_common_ancestor, et_forest_node_value,
et_forest_enumerate_sons, splay, remove_all_occurrences,
find_leftmost_node, find_rightmost_node, calculate_value): Removed.
(struct et_occ): New.
(et_nodes, et_occurences): New.
(set_depth, set_depth_add, set_prev, set_next, et_recomp_min,
et_check_occ_sanity, et_check_sanity, et_check_tree_sanity,
record_path_before_1, record_path_before, check_path_after_1,
check_path_after, et_splay, et_new_occ, et_new_tree,
et_free_tree, et_set_father, et_split, et_nca, et_below): New.
* basic-block.h (struct basic_block_def): New field dom.
(struct dominance_info): Type removed.
(calculate_dominance_info, free_dominance_info,
nearest_common_dominator, set_immediate_dominator,
get_immediate_dominator, dominated_by_p, get_dominated_by,
add_to_dominance_info, delete_from_dominance_info,
recount_dominator, redirect_immediate_dominators,
iterate_fix_dominators, verify_dominators): Declarations
changed.
(enum dom_state): New.
(dom_computed): New variable.
(first_dom_son, next_dom_son): Declare.
* dominance.c (struct dominance_info): Removed.
(BB_NODE, SET_BB_NODE): Removed.
(calculate_dominance_info, free_dominance_info,
nearest_common_dominator, set_immediate_dominator,
get_immediate_dominator, dominated_by_p, get_dominated_by,
add_to_dominance_info, delete_from_dominance_info,
recount_dominator, redirect_immediate_dominators,
iterate_fix_dominators, verify_dominators,
debug_dominance_info): Work over new datastructure. Access
dominance datastructures through CFG.
(assign_dfs_numbers, compute_dom_fast_query, first_dom_son,
next_dom_son): New.
* bt-load.c (dom): Variable removed.
(augment_live_range, combine_btr_defs, migrate_btr_def,
migrate_btr_defs, branch_target_load_optimize): Updated for the
new interface for dominance information.
* cfg.c {exit_entry_blocks): Update initializer.
* cfglayout.c (copy_bbs): Removed loops argument. Updated for
the new interface for dominance information.
* cfglayout.h (copy_bbs): Declaration changed.
* cfgloop.c (flow_loop_pre_header_find, flow_loops_cfg_dump,
flow_loop_scan, canonicalize_loop_headers, flow_loops_find): Updated
for the new interface for dominance information.
(flow_loop_scan): Loops argument removed.
(flow_loops_free): Don't release dominators.
* cfgloop.h (struct cfg): Dom field removed.
(flow_loop_scan, loop_split_edge_with, simple_loop_p,
just_once_each_iteration_p, split_loop_bb): Declaration changed.
* cfgloopanal.c (simple_loop_exit_p, simple_increment,
just_once_each_iteration_p, simple_loop_p): Remove loops argument.
Updated for the new interface for dominance information.
* cfgloopmanip.c (remove_bbs, find_path, create_preheader,
split_loop_bb, loopify, duplicate_loop_to_header_edge,
force_single_succ_latches, loop_split_edge_with): Ditto.
* gcse.c (dominators): Variable removed.
(free_code_hoist_mem, compute_code_hoist_data, hoist_code):
Updated for the new interface for dominance information.
* ifcvt.c (post_dominators): Variable removed.
(mark_loop_exit_edges, merge_if_block, find_if_header,
find_cond_trap, find_if_case_1, find_if_case_2, if_convert):
Updated for the new interface for dominance information.
* loop-init.c (rtl_loop_optimizer_init,
rtl_loop_optimizer_finalize): Ditto.
* loop-unroll.c (decide_peel_simple, decide_peel_once_rolling,
decide_peel_completely, decide_unroll_stupid,
decide_unroll_constant_iterations,
decide_unroll_runtime_iterations): Loops argument removed.
Updated for the new interface for dominance information.
(unroll_and_peel_loops, peel_loops_completely,
unroll_loop_runtime_iterations): Updated for the new interface for
dominance information.
* loop-unswitch.c (may_unswitch_on_p, unswitch_loops,
unswitch_single_loop, unswitch_loop): Updated for the new
interface for dominance information.
* predict.c (process_note_predictions, process_note_prediction,
estimate_probability, note_prediction_to_br_prob): Ditto.
* sched-rgn.c (find_rgns, init_regions): Ditto.
* toplev.c (rest_of_handle_branch_prob): Free the dominators.
From-SVN: r75226
|
|
* jump.c: Convert prototypes to ISO C90.
* langhooks-def.h: Likewise. Add extern to prototypes.
* langhooks.c: Likewise.
* langhooks.h: Likewise.
* lcm.c: Likewise.
* local-alloc.c: Likewise.
* loop-init.c: Likewise.
* loop-unroll.c: Likewise.
* loop-unswitch.c: Likewise.
* loop.c: Likewise.
* loop.h: Likewise. Add extern to prototypes.
* machmode.h: Likewise.
* main.c: Likewise.
* mbchar.c: Likewise.
* mbchar.h: Likewise.
* mkdeps.c: Likewise.
* mkdeps.h: Likewise.
* optabs.c: Likewise.
* optabs.h: Likewise.
* output.h: Likewise.
* gccspec.c: Likwise.
* postreload.c: Likewise.
* prefix.c: Likewise.
* prefix.h: Likewise.
* print-rtl.c: Likewise.
* print-tree.c: Likewise.
* profile.c: Likewise.
* read-rtl.c: Likewise.
* real.c: Likewise.
* real.h: Likewise.
* recog.c: Likewise.
* recog.h: Likewise.
* reg-stack.c: Likewise.
* regclass.c: Likewise.
* regmove.c: Likewise.
* regrename.c: Likewise.
* regs.h: Likewise.
* reload.c: Likewise.
* reload.h: Likewise.
* reload1.c: Likewise.
* reorg.c: Likewise.
* resource.c: Likewise.
* resource.h: Likewise.
* rtl-error.c: Likewise.
* rtl.c: Likewise.
* rtl.h: Likewise.
* rtlanal.c: Likewise.
From-SVN: r68998
|
|
* 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
|
|
* Makefile.in (COVERAGE_H): New variable
(C_OBJS): Add coverage.o
(coverage.o): New target.
(profile.o, loop-init.o, sched-ebb.o, predict.o, tracer.o): Adjust
dependencies.
(GTFILES): Adjust.
(gt-coverage.h): New target.
(gt-profile.h): Remove.
* profile.h: Remove. Move to ...
* coverage.h: ... here. New. #include gcov-io.h.
* gcov-io.h: Move function definitions to ...
* gcov-io.c: ... here. New.
* profile.c: Move coverage routines to coverage.c.
(instrument_edges, get_exec_counts, branch_prob, init_branch_prob,
end_branch_prob): Adjust.
* coverage.c: New. Coverage routines from profile.c
(coverage_counter_ref, coverage_init, coverage_finish,
coverage_end_function, coverage_begin_output,
coverage_counter_ref, get_coverage_counts): Define.
* gcov-dump.c, gcov.c: #include gcov-io.c.
* libgcov.c: Likewise. Adjust.
* loop-init.c: Don't #include profile.h
* tracer.c, predict.c, sched-ebb.c: Adjust #includes.
* rtl.h: Add coverage prototypes.
* toplev.c (compile_file): Init coverage, not branch_prob.
Always call coverage_finish.
(rest_of_compilation): Call coverage_end_function.
From-SVN: r65897
|
|
* gcov-io.h: Replace IN_LIBGCC1 with IN_LIBGCOV. Use IN_GCOV.
Convert to C89 prototypes.
(gcov_file, gcov_length, gcov_position, gcov_buffer, gcov_alloc,
gcov_error, gcov_modified): New static variables.
(gcov_open, gcov_close, gcov_read_bytes, gcov_write_bytes): New
functions.
(gcov_write_unsigned, gcov_write_counter, gcov_write_string,
gcov_read_unsigned, gcov_read_counter, gcov_read_string): Adjust.
(gcov_read_summary, gcov_write_summary): Adjust.
(gcov_save_position, gcov_reserve_length, gcov_write_length):
Adjust.
(gcov_resync, gcov_skip, gcov_skip_string): Adjust.
(da_file_open, da_file_close, da_file_eof, da_file_error): Remove.
(da_file_position, da_file_seek, da_file_write, da_file_read):
Remove.
(gcov_error, gcov_eof, gcov_ok, gcov_time): New functions.
* gcov.c (gcov_type): Don't typedef here.
(IN_GCOV): #define
(read_graph_file, read_count_file): Adjust.
* gcov-dump.c (gcov_type): Don't typedef here.
(IN_GCOV): #define.
(tag_function, tag_blocks, tag_arcs, tag_lines, tag_arc_counts):
Remove FILE parameter, adjust.
(struct tag_format): Adjust proc member.
(dump_file): Adjust.
* libgcov.c (IN_LIBGCOV): #define.
(gcov_exit): Adjust.
* loop-init.c: Don't #include gcov-io.h
* profile.c (struct counts_entry): New structure to hold counter
values.
(struct section_reference, struct da_index_entry): Remove.
(bbg_file, da_file): Remove.
(htab_counts_index_hash, htab_counts_index_eq,
htab_counts_index_del): Replace with ...
(htab_counts_entry_hash, htab_counts_entry_eq,
htab_counts_entry_del): ... these.
(cleanup_counts_index, index_counts_file): Remove.
(read_counts_file): New function.
(get_exec_counts): Adjust.
(compute_branch_probabilities): Don't free the exec counts here.
(branch_prob): Adjust.
(init_branch_prob): Adjust.
(end_branch_prob): Adjust.
From-SVN: r65338
|
|
* cfgloop.h (fix_loop_placement, can_duplicate_loop_p,
duplicate_loop_to_header_edge, loopify, remove_path, split_loop_bb):
Declare.
(DLTHE_FLAG_UPDATE_FREQ): New.
* cfgloopmanip.c (duplicate_loop, duplicate_subloops, copy_loops_to,
loop_redirect_edge, loop_delete_branch_edge, copy_bbs, remove_bbs,
rpe_enum_p, find_branch, alp_enum_p, add_loop, fix_loop_placements,
fix_bb_placement, fix_bb_placements, place_new_loop,
scale_loop_frequencies, scale_bbs_frequencies, record_exit_edges):
New static functions.
(fix_loop_placement, can_duplicate_loop_p,
duplicate_loop_to_header_edge, loopify, remove_path, split_loop_bb):
New functions.
* cfgloop.h (loop_optimizer_init, loop_optimizer_finalize,
unswitch_loops): Declare.
* loop-init.c: New file.
* loop-unswitch.c: New file.
* Makefile.in (loop-init.o, loop-unswitch.o): New.
* params.def (PARAM_MAX_UNSWITCH_INSNS, PARAM_MAX_UNSWITCH_LEVEL): New.
* toplev.c (DFI_loop2): New dump.
(flag_unswitch_loops): New.
(lang_independent_options): Add it.
(rest_of_compilation): Call new loop optimizer.
(parse_options_and_default_flags): Turn flag_unswitch_loops on with -O3.
From-SVN: r62578
|
