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path: root/gcc/cfgloopanal.c
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2007-06-05cfg.c (init_flow): Use type safe memory macros.Thomas Neumann1-2/+2
* cfg.c (init_flow): Use type safe memory macros. (alloc_block): Likewise. (unchecked_make_edge): Likewise. (dump_flow_info): Avoid using C++ keywords as variable names. (copy_original_table_clear): Cast according to the coding conventions. (copy_original_table_set): Likewise. * cfgexpand (label_rtx_for_bb): Likewise. (expand_gimüle_basic_block): Likewise. * cfghooks.c (dump_bb): Likewise. (lv_adjust_loop_header_phi): Avoid using C++ keywords as variable names. (lv_add_condition_to_bb): Likewise. * cfglayout (relink_block_chain): Cast according to the coding conventions. (fixup_reorder_chain): Likewise. (fixup_fallthru_exit_predecessor): Likewise. * cfgloop.c (glb_enum_p): Likewise. (get_exit_description): Likewise. (dump_recorded_exit): Likewise. * cfgloop.h (enum loop_estimation): Move out of struct scope... (struct loop): ... from here. * cfgloopmanip (rpe_enum_p): Cast according to the coding conventions. * cfgrtl.c (rtl_create_basic_block): Likewise. (rtl_split_block): Likewise. (rtl_dump_bb): Likewise. (cfg_layout_split_block): Likewise. (init_rtl_bb_info): Use typesafe memory macros. * graphds.h (struct graph_edge): Renamed edge to graph_edge. * graphds.h: Updated all usages of edge to graph_edge. * graphds.c: Likewise. * cfgloopanal.c: Likewise. From-SVN: r125336
2007-06-03cfgloopmanip.c (remove_path, [...]): Change dom_bbs to vector.Zdenek Dvorak1-211/+7
* cfgloopmanip.c (remove_path, loopify, duplicate_loop_to_header_edge): Change dom_bbs to vector. Add argument to iterate_fix_dominators call. * loop-unroll.c (unroll_loop_runtime_iterations): Ditto. * tree-cfg.c (tree_duplicate_sese_region): Change doms to vector. Add argument to iterate_fix_dominators call. (remove_edge_and_dominated_blocks): Pass vector to bbs_to_fix_dom. * gcse.c (hoist_code): Change domby to vector. * cfghooks.c (make_forwarder_block): Change doms_to_fix to vector. Add argument to iterate_fix_dominators call. * loop-doloop.c (doloop_modify): Changed recount_dominator to recompute_dominator. * lambda-code.c (perfect_nestify): Ditto. * cfgloopanal.c: Include graphds.h. (struct edge, struct vertex, struct graph, dump_graph, new_graph, add_edge, dfs, for_each_edge, free_graph): Moved to graphds.c. (mark_irreducible_loops): Use graphds_scc. Remove argument from add_edge call. * graphds.c: New file. * graphds.h: New file. * dominance.c: Include vecprim.h, pointer-set.h and graphds.h. (get_dominated_by, get_dominated_by_region): Change return type to vector. (verify_dominators): Recompute all dominators and compare the results. (recount_dominator): Renamed to ... (recompute_dominator): ... this. Do not check that the block is dominated by entry. (iterate_fix_dominators): Reimplemented. (prune_bbs_to_update_dominators, root_of_dom_tree, determine_dominators_for_sons): New functions. * et-forest.c (et_root): New function. * et-forest.h (et_root): Declare. * Makefile.in (graphds.o): Add. (cfgloopanal.o): Add graphds.h dependency. (dominance.o): Add graphds.h, vecprim.h and pointer-set.h dependency. * basic-block.h (get_dominated_by, get_dominated_by_region, iterate_fix_dominators): Declaration changed. (recount_dominator): Renamed to ... (recompute_dominator): ... this. * tree-ssa-threadupdate.c (thread_block): Free dominance info. (thread_through_all_blocks): Do not free dominance info. From-SVN: r125297
2007-05-27tree-vrp.c (execute_vrp): Do not check whether current_loops == NULL.Zdenek Dvorak1-38/+32
* tree-vrp.c (execute_vrp): Do not check whether current_loops == NULL. * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto. * ifcvt.c (if_convert): Ditto. * tree-ssa-threadupdate.c (thread_block): Ditto. (thread_through_all_blocks): Ditto. Assert that loops were analysed. * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa, verify_loop_closed_ssa): Check number_of_loops instead of current_loops. * predict.c (tree_estimate_probability): Ditto. * tree-if-conv.c (main_tree_if_conversion): Ditto. * tree-ssa-loop-ch.c (copy_loop_headers): Ditto. * modulo-sched.c (sms_schedule): Ditto. * tree-scalar-evolution.c (scev_const_prop): Ditto. (scev_finalize): Do not do anything if scev analysis was not initialized. * cfgloopanal.c (mark_irreducible_loops): Do not check whether current_loops == NULL. (mark_loop_exit_edges): Check number_of_loops instead of current_loops. * loop-init.c (loop_optimizer_init): Do not free current_loops when there are no loops. (loop_optimizer_finalize): Assert that loops were analyzed. (rtl_move_loop_invariants, rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Check number_of_loops instead of current_loops. * tree-ssa-loop.c (tree_loop_optimizer_init): Do not check whether current_loops == NULL. (tree_ssa_loop_init, tree_ssa_loop_im, tree_ssa_loop_unswitch, gate_tree_vectorize tree_linear_transform, check_data_deps, tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds, tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts): Check number_of_loops instead of current_loops. (tree_ssa_loop_done): Do not check whether current_loops == NULL. * tree-ssa-pre.c (fini_pre): Do not take do_fre argument. Always free loops if available. (execute_pre): Do not pass do_fre to fini_pre. From-SVN: r125114
2007-05-11tree-loop-linear.c (gather_interchange_stats, [...]): Use loop_depth and ↵Zdenek Dvorak1-6/+8
loop_outer accessor functions. * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops): Use loop_depth and loop_outer accessor functions. * tree-ssa-loop-im.c (outermost_invariant_loop, set_level, determine_invariantness_stmt, move_computations_stmt): Ditto. * cfgloopmanip.c (fix_bb_placement, fix_loop_placement, remove_path, add_loop, loopify, unloop, fix_loop_structure): Ditto. * tree-ssa-loop-manip.c (find_uses_to_rename_use): Ditto. * tree-scalar-evolution.c (interpret_loop_phi, compute_scalar_evolution_in_loop, analyze_scalar_evolution_in_loop, instantiate_parameters_1, scev_const_prop): Ditto. * cfghooks.c (make_forwarder_block): Ditto. * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto. * modulo-sched.c (loop_canon_p): Ditto. * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p): Ditto. * lambda-code.c (invariant_in_loop_and_outer_loops): Ditto. * tree-cfg.c (tree_duplicate_sese_region): Ditto. * cfgloop.c (flow_loop_dump, flow_loop_nodes_find, rescan_loop_exit, cancel_loop, verify_loop_structure): Ditto. (flow_loop_nested_p, superloop_at_depth, flow_loop_free, add_bb_to_loop, remove_bb_from_loops, find_common_loop): Use the superloops vector instead of "pred" array. (establish_preds): Take father loop as an argument. Initialize the superloops vector. (flow_loop_tree_node_add): Pass father loop to establish_preds. Do not initialize loop->outer. (flow_loop_tree_node_remove): Truncate the superloops vector. * cfgloop.h (struct loop): Removed field "outer", fields "depth" and "pred" merged to "superloops" vector. (loop_depth, loop_outer): New. (fel_init): Use loop_outer. From-SVN: r124619
2007-04-17re PR rtl-optimization/31360 (RTL loop invariant is not aggressive enough)Zdenek Dvorak1-24/+31
PR rtl-optimization/31360 * cfgloopanal.c (target_small_cost, target_pres_cost): Removed. (target_reg_cost): New. (init_set_costs): Initialize target_reg_cost. Add comments regarding the rationale of the costs. (global_cost_for_size): Renamed to... (estimate_reg_pressure_cost): ... and simplify. Decrease importance of register pressure. * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use estimate_reg_pressure_cost. Add number of ivs. (determine_set_costs): Dump target_reg_cost. * loop-invariant.c (gain_for_invariant): Use estimate_reg_pressure_cost. Removed n_inv_uses argument. (best_gain_for_invariant, find_invariants_to_move): Remove n_inv_uses. * cfgloop.h (target_small_cost, target_pres_cost): Removed. (target_reg_cost): Declare. (global_cost_for_size): Declaration removed. (estimate_reg_pressure_cost): Declare. * gcc.dg/loop-7.c: New test. From-SVN: r123919
2007-04-06tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use argument "reliable".Zdenek Dvorak1-7/+17
* tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use argument "reliable". (infer_loop_bounds_from_ref, infer_loop_bounds_from_array): Add argument "reliable". Propagate it through calls. (infer_loop_bounds_from_undefined): Derive number of iterations estimates from references in blocks that do not dominate loop latch. (gcov_type_to_double_int): New function. (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int and expected_loop_iterations_unbounded. * cfgloopanal.c (expected_loop_iterations_unbounded): New function. (expected_loop_iterations): Use expected_loop_iterations_unbounded. * tree-data-ref.c (estimated_loop_iterations): Export. (get_references_in_stmt): Fix -- do not return addresses of local objects. * cfgloop.h (expected_loop_iterations_unbounded, estimated_loop_iterations): Declare. From-SVN: r123630
2006-12-10tree-vrp.c (adjust_range_with_scev): Use get_chrec_loop.Zdenek Dvorak1-5/+11
* tree-vrp.c (adjust_range_with_scev): Use get_chrec_loop. * loop-unswitch.c (unswitch_loops): Use FOR_EACH_LOOP. * tree-loop-linear.c (linear_transform_loops): Ditto. * tree-ssa-loop-im.c (determine_lsm): Ditto. * tree-ssa-loop-niter.c (estimate_numbers_of_iterations, free_numbers_of_iterations_estimates): Ditto. * tree_ssa_unswitch_loops (tree_ssa_unswitch_loops): Ditto. * tree-ssa-loop-ch.c (copy_loop_headers): Ditto. * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto. * modulo-sched.c (sms_schedule): Ditto. * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables, tree_unroll_loops_completely): Ditto. * predict.c (predict_loops): Ditto. * tree-if-conv.c (main_tree_if_conversion): Ditto. * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely, decide_unrolling_and_peeling): Ditto. * cfgloopmanip.c (unloop): Use delete_loop. (place_new_loop): Access larray vector instead of parray. (create_preheaders, force_single_succ_latches, fix_loop_structure): Use FOR_EACH_LOOP and delete_loop.. * loop-doloop.c (doloop_optimize_loops): Ditto. * loop-invariant.c (move_loop_invariants): Ditto. * tree-cfg.c (replace_uses_by): Ditto. * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Ditto. * tree-chrec.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE): Moved to ... * tree.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE): ... here. * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop, compute_overall_effect_of_inner_loop, chrec_is_positive): Use get_loop and get_chrec_loop. (number_of_iterations_for_all_loops): Use number_of_loops. (scev_initialize, scev_reset, scev_const_prop): Use FOR_EACH_LOOP. * tree-scalar-evolution.h (get_chrec_loop): New inline function. * cfgloopanal.c (mark_irreducible_loops): Use number_of_loops, and FOR_EACH_LOOP. * tree-chrec.c (evolution_function_is_invariant_rec_p, chrec_convert_1): Use get_loop and get_chrec_loop. * loop-init.c (loop_optimizer_init): Use number_of_loops. (loop_optimizer_init): Use FOR_EACH_LOOP. * tree-vectorizer.c (vect_loops_num): Removed. (vectorize_loops): Store number of loops locally. Use FOR_EACH_LOOP and get_loop. * tree-vectorizer.h (vect_loops_num): Removed. * tree-data-ref.c (get_number_of_iters_for_loop): Use get_loop. (find_data_references_in_loop): Do not set parallel_p. * tree-data-ref.h: Do not declare VEC(loop_p). * cfgloop.c (flow_loops_dump, mark_single_exit_loops, verify_loop_structure): Use FOR_EACH_LOOP. (flow_loops_free): Use FOR_EACH_LOOP, free larray vector. (initialize_loops_parallel_p): Removed. (flow_loops_find): Push the loops into a vector. (delete_loop): New function. (cancel_loop): Use delete_loop. * cfgloop.h: Declare VEC(loop_p). (struct loop): Remove parallel_p field. (struct loops): Replace num and parray field by larray vector. Remove shared_headers field. (delete_loop): Declare. (get_loop, get_loops, number_of_loops, fel_next, fel_init, FOR_EACH_LOOP): New. * doc/loop.tex: Document new accessor functions. From-SVN: r119713
2006-11-25tree-vrp.c (execute_vrp): Do not pass loops structure through arguments.Zdenek Dvorak1-10/+10
* tree-vrp.c (execute_vrp): Do not pass loops structure through arguments. * loop-unswitch.c (unswitch_loops, unswitch_single_loop, unswitch_loop): Ditto. * tree-loop-linear.c (linear_transform_loops): Ditto. * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize, tree_ssa_lim): Ditto. * tree-ssa-loop-niter.c (estimate_numbers_of_iterations, free_numbers_of_iterations_estimates): Ditto. * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops, tree_unswitch_single_loop, tree_unswitch_loop): Ditto. * cfgloopmanip.c (fix_bb_placement, fix_bb_placements, remove_path, add_loop, loopify, unloop, fix_loop_placements, place_new_loop, duplicate_loop, duplicate_subloops, update_single_exit_for_duplicated_loops, copy_loops_to, duplicate_loop_to_header_edge, create_preheaders, force_single_succ_latches, loop_version, fix_loop_structure): Ditto. * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge, tree_unroll_loop): Ditto. * tree-ssa-loop-ch.c (copy_loop_headers): Ditto. * tree-scalar-evolution.c (select_loops_exit_conditions, scev_initialize, scev_analysis): Ditto. * tree-scalar-evolution.h (scev_initialize): Ditto. * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto. * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto. * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto. * modulo-sched.c (sms_schedule): Ditto. * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto. * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants, rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto. * ifcvt.c (if_convert): Ditto. * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely, canonicalize_loop_induction_variables, canonicalize_induction_variables, tree_unroll_loops_completely, remove_empty_loops): Ditto. * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im, tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform, tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds, tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts, tree_ssa_loop_done): Ditto. * predict.c (predict_loops, tree_estimate_probability, estimate_loops, estimate_bb_frequencies): Ditto. * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto. * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely, decide_unrolling_and_peeling, peel_loop_completely, unroll_loop_constant_iterations, unroll_loop_runtime_iterations, peel_loop_simple, unroll_loop_stupid): Ditto. * loop-doloop.c (doloop_optimize_loops): Ditto. * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto. * loop-invariant.c (move_loop_invariants): Ditto. * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto. * tree-ssa-loop-prefetch.c (loop_prefetch_arrays, tree_ssa_prefetch_arrays): Ditto. * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify): Ditto. * tree-vect-transform.c (vect_do_peeling_for_loop_bound, vect_do_peeling_for_alignment, vect_transform_loop): Ditto. * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump, mark_single_exit_loops, cancel_loop, cancel_loop_tree, verify_loop_structure): Ditto. * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops, canonicalize_induction_variables, tree_unroll_loops_completely, tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize, estimate_numbers_of_iterations, free_numbers_of_iterations_estimates, tree_duplicate_loop_to_header_edge, tree_ssa_loop_version, tree_unroll_loop, linear_transform_loops): Declaration changed. * basic-block.h: Remove declaration of struct loops. * cfghooks.h (struct cfg_hooks): Change type of cfg_hook_duplicate_loop_to_header_edge. (cfg_hook_duplicate_loop_to_header_edge): Declaration changed. * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge, vect_transform_loop): Declaration changed. * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed. * cfgloop.h (flow_loops_dump, fix_loop_structure, mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges, cancel_loop_tree, create_preheaders, force_single_succ_latches, verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge, loopify, loop_version, remove_path, unswitch_loops, unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants): Declaration changed. From-SVN: r119189
2006-11-17tree-vrp.c (execute_vrp): Do not update current_loops.Zdenek Dvorak1-29/+34
* tree-vrp.c (execute_vrp): Do not update current_loops. * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with. * doc/loop.texi: Remove documentation for cancelled functions. * tree-ssa-loop-im.c (loop_commit_inserts): Removed. (move_computations, determine_lsm): Use bsi_commit_edge_inserts instead. * cfgloopmanip.c (remove_bbs): Do not update loops explicitly. (remove_path): Ensure that in delete_basic_blocks, the loops are still allocated. (add_loop): Work on valid loop structures. (loopify): Modify call of add_loop. (mfb_update_loops): Removed. (create_preheader): Do not update loops explicitly. (force_single_succ_latches, loop_version): Do not use loop_split_edge_with. (loop_split_edge_with): Removed. * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions): Do not use bsi_insert_on_edge_immediate_loop. (split_loop_exit_edge, tree_unroll_loop): Do not use loop_split_edge_with. (bsi_insert_on_edge_immediate_loop): Removed. * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not use loop_split_edge_with. * cfghooks.c: Include cfgloop.h. (verify_flow_info): Verify that loop_father is filled iff current_loops are available. (redirect_edge_and_branch_force, split_block, delete_basic_block, split_edge, merge_blocks, make_forwarder_block, duplicate_block): Update cfg. * cfgloopanal.c (mark_irreducible_loops): Work if the function contains no loops. * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use loop_split_edge_with. (sms_schedule): Use current_loops. * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops. * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set current_loops. (rtl_loop_init, rtl_loop_done): Do not set current_loops. * tree-ssa-sink.c (execute_sink_code): Use current_loops. * ifcvt.c (if_convert): Ditto. * predict.c (predict_loops): Do not clear current_loops. (tree_estimate_probability): Use current_loops. (propagate_freq): Receive head of the region to propagate instead of loop. (estimate_loops_at_level): Do not use shared to_visit bitmap. (estimate_loops): New function. Handle case current_loops == NULL. (estimate_bb_frequencies): Do not allocate tovisit. Use estimate_loops. * tree-ssa-loop.c (current_loops): Removed. (tree_loop_optimizer_init): Do not return loops. (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops. * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge): Do not update loops explicitly. * function.h (struct function): Add x_current_loops field. (current_loops): New macro. * tree-if-conv.c (combine_blocks): Do not update loops explicitly. * loop-unroll.c (split_edge_and_insert): New function. (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not use loop_split_edge_with. * loop-doloop.c (add_test, doloop_modify): Ditto. * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops. * cfglayout.c (copy_bbs): Do not update loops explicitly. * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with. * tree-vect-transform.c (vect_transform_loop): Do not update loops explicitly. * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order. (flow_loops_free): Do not free dfs_order and rc_order. (flow_loops_find): Do not set dfs_order and rc_order in loops structure. Do not call loops and flow info verification. (add_bb_to_loop, remove_bb_from_loops): Check whether the block already belongs to some loop. * cfgloop.h (struct loops): Remove struct cfg. (current_loops, loop_split_edge_with): Declaration removed. (loop_optimizer_init, loop_optimizer_finalize): Declaration changed. * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop): Declaration removed. * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency. * basic-block.h (split_edge_and_insert): Declare. * tree-cfg.c (remove_bb): Do not update loops explicitly. From-SVN: r118931
2006-07-07pointer-set.c (pointer_set_destroy): Correct whitespace.Roger Sayle1-2/+4
* pointer-set.c (pointer_set_destroy): Correct whitespace. * cfgloopanal.c (dump_graph): Likewise. * dojump.c (discard_pending_stack_adjust): Likewise. * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES): Likewise. * alloc-pool.c (dump_alloc_pool_statistics): Likewise. * function.c (finalize_block_changes): Likewise. * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise. * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise. * rtl.c (dump_rtx_statistics): Likewise. * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars): Likewise. * varray.c (dump_varray_statistics): Likewise. * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64, decode_decimal64, encode_decimal128, decode_decimal128, decimal_real_to_decimal): Likewise. From-SVN: r115258
2006-05-18Whitespace fixupsMike Stump1-8/+8
From-SVN: r113893
2006-01-31tree-vrp.c: Use XNEW/XCNEW allocation wrappers.Marcin Dalecki1-4/+4
2006-01-31 Marcin Dalecki <martin@dalecki.de> * tree-vrp.c: Use XNEW/XCNEW allocation wrappers. * regrename.c: Ditto. * tree-ssa-loop-im.c: Ditto. * tree-dump.c: Ditto. * tree-complex.c: Ditto. * genrecog.c: Ditto. * tree-ssa-threadupdate.c: Ditto. * tracer.c: Ditto. * java/class.c: Ditto. * java/jcf-parse.c: Ditto. * java/resource.c: Ditto. * java/except.c: Ditto. * java/jvspec.c: Ditto. * java/jcf-write.c: Ditto. * java/jcf-path.c: Ditto. * java/gjavah.c: Ditto. * java/zextract.c: Ditto. * java/jcf-io.c: Ditto. * java/jcf.h: Ditto. * java/buffer.c: Ditto. * java/lang.c: Ditto. * java/parse-scan.y: Ditto. * java/lex.c: Ditto. * java/lex.h: Ditto. * cfgloopmanip.c: Ditto. * postreload-gcse.c: Ditto. * tree-ssa-loop-manip.c: Ditto. * postreload.c: Ditto. * tree-ssa-loop-ch.c: Ditto. * loop.c: Ditto. * ipa-cp.c: Ditto. * cppspec.c: Ditto. * diagnostic.c: Ditto. * final.c: Ditto. * genoutput.c: Ditto. * gcc.c: Ditto. * cfghooks.c: Ditto. * cfgloopanal.c: Ditto. * objc/objc-act.c: Ditto. * gcov.c: Ditto. * genextract.c: Ditto. * genautomata.c: Ditto. * pretty-print.c: Ditto. * genemit.c: Ditto. * cgraphunit.c: Ditto. * flow.c: Ditto. * df-scan.c: Ditto. * haifa-sched.c: Ditto. * dominance.c: Ditto. * dbxout.c: Ditto. * tree-ssa-loop-ivopts.c: Ditto. * df-core.c: Ditto. * mode-switching.c: Ditto. * modulo-sched.c: Ditto. * graph.c: Ditto. * ipa-pure-const.c: Ditto. * cse.c: Ditto. * fix-header.c: Ditto. * web.c: Ditto. * tree-stdarg.c: Ditto. * ipa-utils.c: Ditto. * loop-init.c: Ditto. * ipa-inline.c: Ditto. * cfganal.c: Ditto. * global.c: Ditto. * alloc-pool.c: Ditto. * dwarf2out.c: Ditto. * opts.c: Ditto. * genattrtab.c: Ditto. * tree-ssa-loop-ivcanon.c: Ditto. * predict.c: Ditto. * timevar.c: Ditto. * lcm.c: Ditto. * fortran/gfortranspec.c: Ditto. * regmove.c: Ditto. * local-alloc.c: Ditto. * langhooks.c: Ditto. * function.c: Ditto. * tree-vectorizer.c: Ditto. * gcse.c: Ditto. * ipa-type-escape.c: Ditto. * alias.c: Ditto. * tree-if-conv.c: Ditto. * profile.c: Ditto. * ipa.c: Ditto. * tree-data-ref.c: Ditto. * loop-unroll.c: Ditto. * treelang/treetree.c: Ditto. * calls.c: Ditto. * bt-load.c: Ditto. * ggc-common.c: Ditto. * except.c: Ditto. * coverage.c: Ditto. * cselib.c: Ditto. * tree-cfgcleanup.c: Ditto. * tree-ssa-pre.c: Ditto. * cfgcleanup.c: Ditto. * loop-invariant.c: Ditto. * loop-iv.c: Ditto. * ipa-prop.c: Ditto. * print-tree.c: Ditto. * conflict.c: Ditto. * ggc-page.c: Ditto. * sched-deps.c: Ditto. * regclass.c: Ditto. * tree-object-size.c: Ditto. * combine.c: Ditto. * bb-reorder.c: Ditto. * resource.c: Ditto. * var-tracking.c: Ditto. * cfgloop.c: Ditto. * df-problems.c: Ditto. * reg-stack.c: Ditto. * tlink.c: Ditto. * gccspec.c: Ditto. * sched-rgn.c: Ditto. * tree-ssa-structalias.c: Ditto. * tree-ssa-reassoc.c: Ditto. * config/darwin-c.c: Ditto. * config/darwin.c: Ditto. * config/arm/arm.c: Ditto. * cfgrtl.c: Ditto. * collect2.c: Ditto. * reload1.c: Ditto. From-SVN: r110446
2005-06-25Update FSF address.Kelley Cook1-2/+2
From-SVN: r101317
2005-05-17cfgloop.h (just_once_each_iteration_p): Declaration changed.Zdenek Dvorak1-1/+1
* cfgloop.h (just_once_each_iteration_p): Declaration changed. * cfgloopanal.c (just_once_each_iteration_p): Make the loop argument const. From-SVN: r99849
2005-04-12Makefile.in: Add function.h to BASIC_BLOCK_H.Steven Bosscher1-1/+1
* Makefile.in: Add function.h to BASIC_BLOCK_H. Remove all references to gt-tree-cfg.h. * basic-block.h (struct basic_block_def): Don't skip rbi for garbage collection. (struct reorder_block_def): Make GTY-able. (struct control_flow_graph): New structure. (n_edges, n_basic_blocks, last_basic_block, basic_block_info, BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars, but instead defines to the control_flow_graph for cfun. (label_to_block_map): New define, points to the label map of the control_flow_graph for cfun. (n_edges_for_function, n_basic_blocks_for_function, last_basic_block_for_function, basic_block_info_for_function, EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION, basic_block_info_for_function, label_to_block_map_for_function): Counterparts for the above, taking a struct function as an extra argument. (alloc_rbi_pool, free_rbi_pool): Remove prototypes. * cfg.c: (n_edges, n_basic_blocks, last_basic_block, basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove. (alloc_rbi_pool, free_rbi_pool): Remove. (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc. * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool here... (cfg_layout_finalize) ... and don't free it here. * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets garbage collected. * flow.c (free_basic_block_vars): Set label_to_block_map and n_edges to zero too. * function.h (struct function): Add cfg field. * function.c (allocate_struct_function): Allocate the cfg. * tree-cfg.c (label_to_block_map): Remove. (build_tree_cfg): Don't allocate the rbi pool here... (delete_tree_cfg_annotations): ...and don't free it here. Also don't nullify label_to_block_map for cfun. Co-Authored-By: Jan Hubicka <jh@suse.cz> Co-Authored-By: Stuart Hastings <stuart@apple.com> From-SVN: r98048
2005-03-31cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT flag for edges ↵Zdenek Dvorak1-5/+2
outside any loops. * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT flag for edges outside any loops. From-SVN: r97348
2005-03-02cfgloop.h, [...]: Update copyright.Kazu Hirata1-1/+1
* 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
2005-03-01cfgloop.c (flow_loop_entry_edges_find, [...]): Removed.Zdenek Dvorak1-0/+29
* 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
2004-11-22bitmap.h (struct bitmap_obstack): New obstack type.Nathan Sidwell1-0/+1
* 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
2004-09-28backport: basic-block.h: Include vec.h, errors.h.Ben Elliston1-4/+6
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
2004-09-07cfganal.c (flow_depth_first_order_compute, [...]): Use gcc_assert or ↵Nathan Sidwell1-2/+1
gcc_unreachable. * cfganal.c (flow_depth_first_order_compute, dfs_enumerate_from, cfgbuild.c, inside_basic_block_p, control_flow_insn_p, make_label_edge, make_edges, find_basic_blocks_1): Use gcc_assert or gcc_unreachable. * cfg.c (clear_edges, initialize_bb_rbi, compact_blocks, remove_edge, alloc_aux_for_blocks, free_aux_for_blocks, alloc_aux_for_edges, free_aux_for_edges): Likewise. * cfgcleanup.c (try_forward_edges, merge_blocks_move_predecessor_nojumps, merge_blocks_move_successor_nojumps): Likewise. * cfgexpand.c (expand_gimple_cond_expr, expand_gimple_tailcall): Likewise. * cfghooks.c (duplicate_block): Likewise. * cfglayout.c (record_effective_endpoints, insn_locators_initialize, change_scope, fixup_reorder_chain, verify_insn_chain, fixup_fallthru_exit_predecessor, duplicate_insn_chain, cfg_layout_finalize): Likewise. * cfgloopanal.c (check_irred): Likewise. * cfgloop.c (superloop_at_depth, flow_loops_free, flow_loop_entry_edges_find, flow_loops_find, flow_loop_outside_edge_p, get_loop_body, get_loop_body_in_dom_order, get_loop_body_in_bfs_order, get_loop_exit_edges, num_loop_branches, cancel_loop, verify_loop_structure): Likewise. cfgloopmanip.c (find_path, remove_path, loop_delete_branch_edge, duplicate_loop_to_header_edge, create_preheader, create_loop_notes): Likewise. * cfgrtl.c (delete_insn, try_redirect_by_replacing_jump, edirect_branch_edge, force_nonfallthru_and_redirect, rtl_split_edge, insert_insn_on_edge, commit_one_edge_insertion, commit_edge_insertions, commit_edge_insertions_watch_calls, purge_dead_edges, cfg_layout_redirect_edge_and_branch, cfg_layout_redirect_edge_and_branch_force, cfg_layout_merge_blocks, rtl_flow_call_edges_add): Likewise. * cgraph.c (cgraph_node, cgraph_create_edge, cgraph_remove_edge, cgraph_redirect_edge_callee, cgraph_global_info, cgraph_rtl_info, cgraph_varpool_node): Likewise. * cgraphunit.c (cgraph_finalize_function, cgraph_finalize_compilation_unit, cgraph_mark_functions_to_output, cgraph_expand_function, cgraph_remove_unreachable_nodes, cgraph_clone_inlined_nodes, cgraph_mark_inline_edge, cgraph_mark_inline, cgraph_expand_all_functions, cgraph_build_static_cdtor): Likewise. * combine.c (do_SUBST, try_combine, subst, combine_simplify_rtx, simplify_logical, distribute_notes, insn_cuid): Likewise. * conflict.c (conflict_graph_add, print_conflict): Likewise. * coverage.c (rtl_coverage_counter_ref, tree_coverage_counter_ref, coverage_checksum_string): Likewise. * cse.c (make_new_qty, make_regs_eqv, insert, invalidate, hash_rtx, exp_equiv_p, cse_basic_block, count_reg_usage, cse_cc_succs, cse_condition_code_reg): Likewise. * cselib.c (entry_and_rtx_equal_p, remove_useless_values, rtx_equal_for_cselib_p, wrap_constant, cselib_hash_rtx, new_cselib_val, cselib_subst_to_values, cselib_invalidate_regno, cselib_record_set): Likewise. From-SVN: r87145
2004-09-05tree-ssa-loop-ivopts.c: New file.Zdenek Dvorak1-16/+16
* tree-ssa-loop-ivopts.c: New file. * Makefile.in (tree-ssa-loop-ivopts.c): Add. * cfgloop.h (target_avail_regs, target_res_regs, target_small_cost, target_pres_cost, target_spill_cost): Declare. * cfgloopanal.c (avail_regs, res_regs, small_cost, pres_cost, spill_cost): Renamed to ... (target_avail_regs, target_res_regs, target_small_cost, target_pres_cost, target_spill_cost): ... and exported. (init_set_costs, global_cost_for_size): Work with renamed variables. * common.opt (flag_ivopts): New flag. * expr.c (expand_expr_real_1): Handle SSA_NAME case. Handle REF_ORIGINAL. * gimplify.c (struct gimplify_ctx): Add into_ssa field. (internal_get_tmp_var, gimplify_modify_expr, gimplify_expr): Support generating SSA form. (force_gimple_operand): New function. * timevar.def (TV_TREE_LOOP_IVOPTS): New timevar. * tree-cfg.c (stmt_bsi): New function. * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND, PARAM_IV_MAX_CONSIDERED_USES): New. * tree-flow.h (stmt_bsi, tree_ssa_iv_optimize, split_loop_exit_edge, bsi_insert_on_edge_immediate_loop. standard_iv_increment_position, ip_end_pos, ip_normal_pos, force_gimple_operand): Declare. * tree-gimple.c (is_gimple_formal_tmp_var): Accept ssa names. * tree-nested.c (build_addr): Export. * tree-optimize.c (init_tree_optimization_passes): Add pass_iv_optimize. * tree-pass.h (pass_iv_optimize): Declare. * tree-ssa-loop-im.c (for_each_index): Handle REALPART_EXPR and IMAGPART_EXPR. * tree-ssa-loop-manip.c (create_iv): Force the base to be acceptable as a phi node argument. (split_loop_exit_edge, bsi_insert_on_edge_immediate_loop, ip_end_pos, ip_normal_pos, standard_iv_increment_position): New functions. * tree-ssa-loop-niter.c (zero_p, unsigned_type_for): Export. * tree-ssa-loop.c (tree_ssa_loop_ivopts, gate_tree_ssa_loop_ivopts, pass_iv_optimize): New pass. * tree-ssa-operands.c (get_indirect_ref_operands): Handle REF_ORIGINAL. * tree-ssanames.c (release_ssa_name): Allow calling with var = NULL. * tree.c (build_int_cst_type, cst_and_fits_in_hwi): New functions. * tree.h (REF_ORIGINAL): New macro. (build_int_cst_type, unsigned_type_for, zero_p, cst_and_fits_in_hwi, build_addr): Declare. * doc/invoke.texi (-fivopts): Document. (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND, PARAM_IV_MAX_CONSIDERED_USES): Document. * doc/passes.texi: Document induction variable optimizations pass. * gcc.dg/tree-ssa/loop-2.c: New test. * gcc.dg/tree-ssa/loop-3.c: New test. * gcc.dg/tree-ssa/loop-4.c: New test. * gcc.dg/tree-ssa/loop-5.c: New test. From-SVN: r87100
2004-06-20loop-invariant.c: New file.Zdenek Dvorak1-0/+89
* 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
2004-04-22cfgloopmanip.c (scale_bbs_frequencies): Use RDIV macroJan Hubicka1-4/+4
* cfgloopmanip.c (scale_bbs_frequencies): Use RDIV macro * cfgloopanal.c (expected_loop_iterations): Change the return value From-SVN: r81058
2004-03-18doloop.c: Removed.Zdenek Dvorak1-0/+17
* doloop.c: Removed. * loop-doloop.c: New file. * Makefile.in (doloop.o): Remove. (loop-doloop.o): New. * cfgloop.h (get_loop_level, doloop_optimize_loops): Declare. * cfgloopanal.c (get_loop_level): New function. * loop-iv.c (iv_number_of_iterations): Handle case when loop is leaved immediatelly. * loop.c (strength_reduce): Do not call doloop optimization. * loop.h (LOOP_BCT): Removed. * passes.c (rest_of_handle_loop_optimize): Do not use LOOP_BCT. (rest_of_handle_loop2): Call doloop_optimize_loops. (rest_of_compilation): Test for optimizations moved to rest_of_handle_loop2. From-SVN: r79625
2004-03-02cfgloop.h (struct loop_desc): Removed.Zdenek Dvorak1-1063/+1
* cfgloop.h (struct loop_desc): Removed. (struct loop): Fields simple, desc and has_desc removed. (simple_loop_p, count_loop_iterations): Declaration removed. * cfgloopanal.c (struct unmark_altered_insn_data): Removed. (unmark_altered, blocks_invariant_registers, unmark_altered_insn blocks_single_set_registers, invariant_rtx_wrto_regs_p_helper, invariant_rtx_wrto_regs_p, test_for_iteration, constant_iterations, simple_loop_exit_p, variable_initial_value, variable_initial_values, simple_condition_p, simple_increment, count_strange_loop_iterations, inverse, fits_in_mode_p, simple_loop_p, count_loop_iterations): Removed. * loop-iv.c (check_simple_exit, find_simple_exit): Update comments. From-SVN: r78777
2004-02-24toplev.c (dump_file_tbl): Rename from dump_file.Richard Henderson1-32/+32
* toplev.c (dump_file_tbl): Rename from dump_file. * bb-reorder.c, bt-load.c, cfgcleanup.c, cfglayout.c, cfgloopanal.c, cfgloopmanip.c, cfgrtl.c, config/arm/arm.c, config/frv/frv.c, config/i386/i386.c, config/ia64/ia64.c, config/mips/mips.c, config/sh/sh.c, cse.c, flow.c, ifcvt.c, loop-iv.c, loop-unroll.c, loop-unswitch.c, output.h, predict.c, profile.c, ra-build.c, ra-colorize.c, ra-debug.c, ra-rewrite.c, ra.c, regrename.c, reload1.c, toplev.c, tracer.c, value-prof.c, var-tracking.c, web.c: s/rtl_dump_file/dump_file/g. From-SVN: r78399
2004-02-18cfgloop.h, [...]: Update copyright.Kazu Hirata1-1/+1
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
2004-02-13cfgloopanal.c (mark_irreducible_loops): Rewriten.Zdenek Dvorak1-149/+256
* cfgloopanal.c (mark_irreducible_loops): Rewriten. (struct edge, struct vertex, struct graph): New. (dump_graph, new_graph, add_edge, dfs, check_irred, for_each_edge, free_graph): New functions. From-SVN: r77755
2003-12-30backport: et-forest.h (et_forest_create, [...]): Declarations removed.Steven Bosscher1-15/+14
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
2003-12-27re PR rtl-optimization/13159 (FAIL: gcc.c-torture/compile/930621-1.c)Zdenek Dvorak1-1/+1
PR opt/13159 * cfgloopanal.c (mark_irreducible_loops): Fix the strongly connected components detection. * loop-unswitch.c (unswitch_loop): Preserve simple preheaders. * gcc.c-torture/compile/20031227-1.c: New test. From-SVN: r75174
2003-12-11basic-block.h (BLOCK_HEAD, BLOCK_END): Remove.Steven Bosscher1-16/+16
2003-12-11 Steven Bosscher <steven@gcc.gnu.org> * basic-block.h (BLOCK_HEAD, BLOCK_END): Remove. (BLOCK_HEAD_TREE, BLOCK_END_TREE): Remove. (basic_block_def): Rename `head' to `head_' and `end' to `end_'. (BB_HEAD, BB_END): New accessor macros for the `head_' and `end_' fields of a basic block. * bb-reorder.c, bt-load.c, caller-save.c, cfg.c, cfganal.c, cfgbuild.c, cfgcleanup.c, cfglayout.c, cfgloop.c, cfgloopanal.c, cfgloopmanip.c, cfgrtl.c, combine.c, conflict.c, df.c, emit-rtl.c, final.c, flow.c, function.c, gcse.c, global.c, graph.c, haifa-sched.c, ifcvt.c, lcm.c, local-alloc.c, loop-unswitch.c, loop.c, postreload.c, predict.c, profile.c, ra-build.c, ra-debug.c, ra-rewrite.c, ra.c, recog.c, reg-stack.c, regclass.c, regmove.c, regrename.c, reload1.c, resource.c, sched-ebb.c, sched-rgn.c, sibcall.c, tracer.c, config/frv/frv.c, config/i386/i386.c, config/ia64/ia64.c: Use the BB_HEAD and BB_END macros instead of accessing the `head' and `end' fields of a basic block directly. * gengtype.c: Add missing piece from earlier patch. Dunno what I was thinking... From-SVN: r74520
2003-11-05cfgloopanal.c (variable_initial_value, [...]): Record the fact that initial ↵Zdenek Dvorak1-49/+269
value is extended from inner mode. * cfgloopanal.c (variable_initial_value, variable_initial_values, simple_loop_exit_p): Record the fact that initial value is extended from inner mode. (count_strange_loop_iterations, count_loop_iterations): Handle ivs that iterate in a narrower mode. Fix handling of overflows. Improve handling of NE conditions. (inverse, fits_in_mode_p): New static functions. (simple_increment): Detect variables that iterate in a narrower mode. * cfgloop.h (struct loop_desc): Fields inner_mode and extend added. From-SVN: r73275
2003-10-05c-pretty-print.c: Fix comment formatting.Kazu Hirata1-1/+1
* c-pretty-print.c: Fix comment formatting. * cfglayout.c: Likewise. * cfgloopanal.c: Likewise. * cppcharset.c: Likewise. * dbxout.c: Likewise. * ggc-page.c: Likewise. * ggc.h: Likewise. * target.h: Likewise. From-SVN: r72110
2003-09-16re PR bootstrap/12269 (Mainline failed to bootstrap on Linux/ia64)Roger Sayle1-2/+2
PR bootstrap/12269 * simplify-rtx.c (simplify_gen_relational): Allow the cmp_mode argument to be VOIDmode, taking the mode of the comparison from the operands. Only call simplify_relational_operation if we know the mode of the comparison. Honor FLOAT_STORE_FLAG_VALUE if comparison has a floating point result. Ensure that the result is always of the specified mode. (simplify_replace_rtx): Simplify call to simplify_gen_relational. (simplify_unary_operation): Ensure the correct mode and cmp_mode are always passed to simplify_gen_relational. Simplify NOT of comparison operator in any mode, not just BImode. (simplify_ternary_operation): Correct tests on the return value of simplify_relational_operation to use const_true_rtx, not const1_rtx. Abort if it ever returns a non-constant result. * cfgloopanal.c (count_strange_loop_iterations): Use the function simplify_relational_operation, not simplify_gen_relational, if we're only interested in constant comparisons and will ignore non-constant results. From-SVN: r71439
2003-09-14re PR rtl-optimization/10914 (unswitch loops does not work on powerpc)Zdenek Dvorak1-1/+1
2003-09-12 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz> PR optimization/10914 * expr.h (get_condition, canonicalize_condition): Declaration changed. * cfgloopanal.c (simple_loop_exit_p): Add parameter to a get_condition and canonicalize_condition calls. * gcse.c (fis_get_condition, delete_null_pointer_checks_1, delete_null_pointer_checks): Ditto. * ifcvt.c (noce_get_alt_condition, noce_get_condition): Ditto. * predict.c (estimate_probability, expected_value_to_br_prob): Ditto. * loop.c (check_dbra_loop, get_condition_for_loop): Ditto. (canonicalize_condition, get_condition): Allow to return comparisons of cc mode registers. * loop-unswitch.c (may_unswitch_on_p, unswitch_single_loop): Allow cc mode registers comparison in condition. From-SVN: r71398
2003-08-19builtins.c: Fix comment typos.Kazu Hirata1-1/+1
* builtins.c: Fix comment typos. * c-common.c: Likewise. * c-decl.c: Likewise. * c-pretty-print.c: Likewise. * cfgbuild.c: Likewise. * cfglayout.c: Likewise. * cfgloopanal.c: Likewise. * cgraphunit.c: Likewise. * cppfiles.c: Likewise. * dwarfout.c: Likewise. * expr.c: Likewise. * fold-const.c: Likewise. * gcse.c: Likewise. * ggc-page.c: Likewise. * haifa-sched.c: Likewise. * pretty-print.c: Likewise. * tree.c: Likewise. * tree.h: Likewise. * value-prof.c: Likewise. From-SVN: r70583
2003-07-06basic-block.h: Convert prototypes to ISO C90.Andreas Jaeger1-3/+3
* basic-block.h: Convert prototypes to ISO C90. * c-parse.in: Likewise. * c-pragma.h: Likewise. * c-typeck.c: Likewise. * cfghooks.h: Likewise. * cfgloopanal.c: Likewise. * dbxout.h: Likewise. * debug.h: Likewise. * dwarf2asm.h: Likewise. * gcov.c: Likewise. * gengtype-lex.l: Likewise. * sched-int.h: Likewise. * timevar.c: Likewise. From-SVN: r69010
2003-07-04cfgloopanal.c (count_strange_loop_iterations): New static function.Zdenek Dvorak1-7/+128
* cfgloopanal.c (count_strange_loop_iterations): New static function. (constant_iterations, count_loop_iterations, simple_loop_exit_p): Handle strange loops. From-SVN: r68930
2003-06-22caller-save.c: Convert to ISO C90.Andreas Jaeger1-103/+52
* caller-save.c: Convert to ISO C90. * calls.c: Likewise. * cfg.c: Likewise. * cfganal.c: Likewise. * cfgbuild.c: Likewise. * cfgcleanup.c: Likewise. * cfghooks.c: Likewise. * cfglayout.c: Likewise. * cfglayout.h: Likewise. * cfgloop.c: Likewise. * cfgloop.h: Likewise. * cfgloopanal.c: Likewise. * cfgloopmainip.c: Likewise. * cfgrtl.c: Likewise. From-SVN: r68331
2003-06-11cfgloopanal.c (variable_initial_value): Update the set of altered registers ↵Zdenek Dvorak1-2/+2
correctly. * cfgloopanal.c (variable_initial_value): Update the set of altered registers correctly. From-SVN: r67792
2003-05-17cfgloopanal.c (test_for_iteration): Use string concatentation on ↵Kaveh R. Ghazi1-3/+2
HOST_WIDE_INT_PRINT_* format specifier to collapse... gcc: * cfgloopanal.c (test_for_iteration): Use string concatentation on HOST_WIDE_INT_PRINT_* format specifier to collapse multiple function calls into one. * dbxout.c (dbxout_symbol): Likewise. * defaults.h (ASM_OUTPUT_SIZE_DIRECTIVE): Likewise. * dwarf2asm.c (dw2_asm_output_data_uleb128, dw2_asm_output_data_sleb128): Likewise. * genrecog.c (debug_decision_2): Likewise. * loop.c (emit_prefetch_instructions): Likewise. * print-rtl.c (print_rtx): Likewise. * print-tree.c (print_node_brief, print_node): Likewise. * ra-debug.c (dump_igraph, dump_graph_cost, dump_static_insn_cost): Likewise. * ra-rewrite.c (dump_cost): Likewise. * sdbout.c (PUT_SDB_INT_VAL, PUT_SDB_SIZE): Likewise. * sreal.c (dump_sreal): Likewise. * unroll.c (unroll_loop, precondition_loop_p): Likewise. * varasm.c (assemble_vtable_entry): Likewise. cp: * ptree.c (cxx_print_type, cxx_print_xnode): Use string concatentation on HOST_WIDE_INT_PRINT_* format specifier to collapse multiple function calls into one. * tree.c (debug_binfo): Likewise. java: * parse.y (print_int_node): Use string concatentation on HOST_WIDE_INT_PRINT_* format specifier to collapse multiple function calls into one. From-SVN: r66900
2003-05-11cfgloopanal.c (num_loop_insns, [...]): Count only real insns.Zdenek Dvorak1-2/+4
* cfgloopanal.c (num_loop_insns, average_num_loop_insns): Count only real insns. * loop-unroll.c (unroll_loop_runtime_iterations): Remove superfluous condition. From-SVN: r66700
2003-03-08calls.c: Fix comment formatting.Kazu Hirata1-5/+5
* calls.c: Fix comment formatting. * cfgloopanal.c: Likewise. * cfgloopmanip.c: Likewise. * combine.c: Likewise. * dwarf2out.c: Likewise. * ggc-common.c: Likewise. * langhooks.c: Likewise. * loop-unroll.c: Likewise. * loop.c: Likewise. * ra-build.c: Likewise. * sbitmap.c: Likewise. * toplev.c: Likewise. From-SVN: r63966
2003-03-05basic-block.h (EDGE_IRREDUCIBLE_LOOP, [...]): New.Zdenek Dvorak1-12/+39
* basic-block.h (EDGE_IRREDUCIBLE_LOOP, EDGE_ALL_FLAGS): New. * cfg.c (dump_edge_info): Add EDGE_IRREDUCIBLE_LOOP flag dump. * cfgloop.c (flow_loop_free): Made global. (establish_preds): New static function. (flow_loop_tree_node_add): Handle subloops of added loop correctly. (get_loop_exit_edges): New. (verify_loop_structure): Verify EDGE_IRREDUCIBLE_LOOP flags. * cfgloop.h (flow_loop_free, get_loop_exit_edges, unloop): Declare. * cfgloopanal.c (mark_irreducible_loops): Mark edges in irreducible loops. * cfgloopmanip.c (loop_delete_branch_edge): Allow to test for removability of an edge. (fix_irreducible_loops): New static function. (find_path, remove_path): Add ability to remove enclosing loops. (unloop): New. (copy_bbs, duplicate_loop_to_header_edge): Use EDGE_IRREDUCIBLE_LOOP flags. * cfgrtl.c (verify_flow_info): Handle EDGE_IRREDUCIBLE_LOOP flag. * loop-unroll.c (peel_loops_completely): Do not duplicate loop if not neccessary. (decide_peel_completely, peel_loops_completely): Allow complete peeling of non-duplicable once rolling loops. * loop-unswitch.c (unswitch_loop): Update EDGE_IRREDUCIBLE_LOOP flags. From-SVN: r63864
2003-01-24cfgloopanal.c: New file.Zdenek Dvorak1-0/+1097
* cfgloopanal.c: New file. * cfgloopmanip.c: New file. * Makefile.in (cfgloopanal.o, cfgloopmanip.o): New. (toplev.o, loop.o, doloop.o, unroll.o, cfgloop.o, predict.o, cfglayout.o): Add dependency on cfgloop.h. (cfgloop.o): Add flags.h dependency. * basic-block.h (BB_IRREDUCIBLE_LOOP, BB_SUPERBLOCK): New flags. (VLS_EXPECT_PREHEADERS, VLS_EXPECT_SIMPLE_LATCHES): Removed. (struct loop, struct loops, flow_loops_find, flow_loops_update, flow_loops_free, flow_loops_dump, flow_loop_dump, flow_loop_scan, flow_loop_tree_node_add, flow_loop_tree_node_remove, LOOP_TREE,,LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES, LOOP_ALL, flow_loop_outside_edge_p, flow_loop_nested_p, flow_bb_inside_loop_p, get_loop_body, loop_preheader_edge, loop_latch_edge, add_bb_to_loop, remove_bb_from_loops, find_common_loop, verify_loop_structure): Declarations moved to ... * cfgloop.h: New file. * bb-reorder.c (reorder_basic_blocks): Modified. * cfglayout.c: Include cfgloop.h. (cleanup_unconditional_jumps, cfg_layout_redirect_edge, cfg_layout_duplicate_bb, cfg_layout_initialize): Update loop structure. (break_superblocks): New static function. (cfg_layout_finalize): Use it. (cfg_layout_split_block): New function. * cfglayout.h (struct reorder_block_def): Add copy and duplicated fields. (cfg_layout_initialize, cfg_layout_redirect_edge): Declaration changed. (cfg_layout_split_block): Declare. * cfgloop.c: Include cfgloop.h and flags.h. (flow_loop_dump, flow_loops_free, flow_loop_exit_edges_find, get_loop_body): Avoid signed versus unsigned comparison warnings. (make_forwarder_block, flow_loops_find, loop_preheader_edge, loop_latch_edge): Modified. (verify_loop_structure): Modified to use flags stored in loop structure; check irreducible loops. (cancel_loop, cancel_loop_tree): New functions. (estimate_probability): Use loop analysis code for predictions. (estimate_loops_at_level): Avoid signed versus unsigned comparison warnings. * doloop.c: Include cfgloop.h. * loop.c: Include cfgloop.h. * predict.c: Include cfgloop.h. * toplev.c: Include cfgloop.h. * unroll.c: Include cfgloop.h. * tracer.c (tracer): Modified. From-SVN: r61730