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* 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
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* tree-scalar-evolution.c (scev_const_prop): Do not create labels.
* tree-ssa-sink.c (statement_sink_location): Return basic block and
bsi of the location where statements should be inserted.
(sink_code_in_bb): Take bsi from statement_sink_location.
* lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use bsi_after_labels
instead of bsi_start.
* tree-profile.c (tree_gen_ic_func_profiler): Pass BSI_NEW_STMT to
bsi_insert_after.
* tree-cfg.c (bsi_move_after): Pass BSI_NEW_STMT to bsi_insert_after.
(bsi_move_before): Document inconsistency with bsi_move_after.
(tree_redirect_edge_and_branch): Do not create labels if not necessary.
From-SVN: r125181
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PR middle-end/32018
* tree-ssa-threadupdate.c (thread_through_loop_header): Use
set_loop_copy.
(thread_through_all_blocks): Call initialize_original_copy_tables
and free_original_copy_tables.
* cfgloopmanip.c (duplicate_loop, duplicate_loop_to_header_edge):
Use set_loop_copy.
* tree-cfg.c (tree_duplicate_sese_region): Ditto.
* cfghooks.c (duplicate_block): Use get_loop_copy.
* cfg.c: Include cfgloop.h.
(loop_copy): New hash table.
(initialize_original_copy_tables): Initialize loop_copy table.
(free_original_copy_tables): Free loop_copy table.
(copy_original_table_clear, copy_original_table_set,
set_loop_copy, get_loop_copy): New functions.
(set_bb_original, set_bb_copy): Use copy_original_table_set.
* cfgloop.h (struct loop): Remove copy field.
* Makefile.in (cfg.o): Add CFGLOOP_H dependency.
* basic-block.h (set_loop_copy, get_loop_copy): Declare.
From-SVN: r125024
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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
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2007-05-04 Josh Conner <jconner@apple.com>
* basic-block.h (cdi_direction): Assign values to all enumeration
constants.
(dom_computed): Remove.
(dom_info_state): New.
(set_dom_info_availability): New.
* tree-ssa-loop-im.c (determine_invariantness): Initialize
walk_data.dom_direction.
* cfghooks.c (delete_basic_block): Use dom_info_available_p()
instead of dom_computed[].
(split_edge): Likewise.
(create_basic_block): Likewise.
(merge_blocks): Likewise.
* ifcvt.c (find_if_header): Likewise.
* tree-cfgcleanup.c (cleanup_tree_cfg): Likewise.
* tree-ssa-dce.c (remove_dead_stmt): Likewise.
* tree-ssa.c (verify_ssa): Likewise.
* tree-cfg.c (tree_verify_flow_info): Likewise.
(remove_edge_and_dominated_blocks): Likewise.
* dominance.c (dom_computed): Make static.
(calc_dfs_tree_nonrec): Change third param to a bool.
(calc_dfs_tree): Change second param to a bool.
(calc_idioms): Change second param to a bool. Use
dom_convert_dir_to_idx.
(init_dom_info): Validate dir before using.
(dom_convert_dir_to_idx): New.
(calculate_dominance_info): Use dom_convert_dir_to_idx. New
variable 'reverse' used for calling calc_dfs_tree and calc_idoms.
(free_dominance_info): Use dom_convert_dir_to_idx.
(get_immediate_dominator): Likewise.
(set_immediate_dominator): Likewise.
(get_dominated_by): Likewise.
(redirect_immediate_dominators): Likewise.
(nearest_common_denominator): Likewise.
(dominated_by_p): Likewise.
(bb_dom_dfs_in): Likewise.
(bb_dom_dfs_out): Likewise.
(recount_dominator): Likewise.
(iterate_fix_dominators): Likewise.
(add_to_dominance_info): Likewise.
(delete_from_dominance_info): Likewise.
(first_dom_son): Likewise.
(next_dom_son): Likewise.
(dom_info_available_p): Likewise.
(dom_info_state): New.
(set_dom_info_availability): New.
From-SVN: r124439
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PR tree-optimization/31771
* tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
From-SVN: r124362
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* tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
bsi_after_labels. Always insert statements before bsi.
* tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
* predict.c (apply_return_prediction): Check for empty blocks.
* cfgexpand.c (lab_rtx_for_bb): New variable.
(label_rtx_for_bb): Do not create new tree labels.
(expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
(tree_expand_cfg): Initialize lab_rtx_for_bb.
* tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
creating edges.
(label_for_bb): Add field used.
(update_eh_label, main_block_label): Mark the label used.
(cleanup_dead_labels): Remove unused labels.
From-SVN: r124322
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* tree-cfg.c (move_block_to_fn): Release bb from dominance
info. Update last_basic_block correctly.
From-SVN: r124257
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GIMPLE_MODIFY_STMTs.
* tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
transform only GIMPLE_MODIFY_STMTs.
* tree-complex.c (expand_complex_operations_1): Ditto.
(expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
* tree-ssa-loop-manip.c (build_if_stmt): Removed.
(tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
branches.
* value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
* omp-low.c (expand_parallel_call, expand_omp_for_generic,
expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
* tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
slpeel_add_loop_guard): Ditto.
* tree-mudflap.c (mf_build_check_statement_for): Ditto.
* lambda-code.c (perfect_nestify): Ditto.
* tree-iterator.c (tsi_split_statement_list_before): Fix splitting
before the first statement.
* tree-optimize.c (execute_free_datastructures): Fix comments.
(execute_free_cfg_annotations): Do not call disband_implicit_edges.
* tree-flow.h (disband_implicit_edges): Declaration removed.
* tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
branches.
(cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
without gotos.
(disband_implicit_edges, has_label_p): Removed.
(tree_verify_flow_info): Verify that COND_EXPR branches are empty.
(tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
branches.
* tree.c (build3_stat): Mark COND_EXPRs used as statements as having
side effects.
* tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
also for COND_EXPRs.
* cfgexpand.c (label_rtx_for_bb): New function.
(expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
Use label_rtx_for_bb to find the labels.
(expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
last block. Detect fallthru edges.
From-SVN: r124214
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* tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
(remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
(cleanup_control_expr_graph): Do not invalidate dominance info.
Record altered blocks.
(cleanup_control_flow, cleanup_forwarder_blocks): Removed.
(cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
cleanup_tree_cfg_bb): New functions.
(remove_forwarder_block): Do not maintain the worklist of blocks.
Record altered blocks.
(cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
not over whole cfg.
(cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1. Only call
delete_unreachable_blocks if dominators are not available.
* tree-inline.c (optimize_inline_calls): Free dominance information
earlier.
* tree-flow.h (remove_edge_and_dominated_blocks,
cfgcleanup_altered_bbs): Altered.
* tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
blocks.
(get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
functions.
(tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
do not invalidate dominators.
From-SVN: r124203
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failure)
./: PR tree-optimization/31602
* tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
conditionals in the copied loop header.
* tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
warnings if TREE_NO_WARNING is set.
* doc/invoke.texi (Warning Options): Clarify that
-Wstrict-overflow does not warn about loops.
testsuite/:
PR tree-optimization/31602
* gcc.dg/Wstrict-overflow-11.c: We no longer issue a warning.
From-SVN: r124120
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* tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
Use phi_nodes_ptr.
(create_phi_node): Use set_phi_nodes.
* omp-low.c (expand_omp_parallel): Use bb_stmt_list.
* tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
(combine_blocks): Use bb_stmt_list and set_bb_stmt_list.
* tree-flow-inline.h (phi_nodes, set_phi_nodes,
(bsi_start, bsi_last): Use bb_stmt_list.
(phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
* cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
Traverse the statements using tsi iterator.
* basic-block.h (struct basic_block_def): Fields stmt_list
and phi_nodes moved to ...
(struct tree_bb_info): ... new structure.
* tree-cfg.c (create_bb): Allocate il.tree. Use set_bb_stmt_list.
(tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
(remove_bb): Handle blocks with NULL stmt list. Clear il.tree field.
(tree_verify_flow_info): Verify that il.tree is not set for
entry and exit block.
(tree_split_block): Use set_bb_stmt_list.
From-SVN: r124086
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* cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
(create_preheaders): Check that loops are available.
(fix_loop_structure): Clean up, improve comments.
* tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
Check that loops are available. Set LOOP_CLOSED_SSA to the loops
state flags.
* tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
* predict.c (tree_estimate_probability): Do not call
calculate_dominance_info. Call create_preheaders.
* tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
flags.
* cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
* cfgloop.h (LOOP_CLOSED_SSA): New constant.
* tree-cfg.c (tree_split_edge): Make an assert more precise.
* tree-ssa-threadedge.c (thread_across_edge): Comment the function
arguments.
From-SVN: r123670
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* tree-cfg.c (find_taken_edge): Tighten conditions for
optimizing computed gotos.
* PR tree-optimization/30984
* gcc.c-torture/pr30984.c: New test.
From-SVN: r123067
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destructors.
* doc/extend.texi: Document optional priority argument to
constructors and destructors.
* tree.c (init_priority_for_decl): Adjust GTY markers.
(init_ttree): Use priority-info hash functions for
init_priority_for_decl.
(tree_map_eq): Rename to ...
(tree_map_base_eq): ... this.
(tree_map_marked_p): Rename to ...
(tree_map_base_marked_p): ... this.
(tree_map_base_hash): New function.
(decl_init_priority_lookup): Rework.
(decl_fini_priority_lookup): New function.
(decl_priority_info): New function.
(decl_init_priority_insert): Use it.
(decl_fini_priority_insert): Likewise.
(decl_restrict_base_lookup): Adjust for refactoring of tree_map
hierarchy.
(decl_restrict_base_insert): Likewise.
(decl_debug_expr_insert): Likewise.
(decl_value_expr_lookup): Likewise.
(decl_value_expr_insert): Likewise.
* tree.h (priority_type): New type.
(decl_init_priority_lookup): Use priority_type.
(decl_fini_priority_lookup): New function.
(decl_init_priority_insert): Use priority_type.
(decl_fini_priority_insert): New function.
(DECL_HAS_INIT_PRIORITY): Tweak comments.
(DECL_INIT_PRIORITY): Likewise.
(SET_DECL_INIT_PRIORITY): Add comment.
(DECL_FINI_PRIORITY): New macro.
(SET_DECL_FINI_PRIORITY): Likewise.
(DEFAULT_INIT_PRIORITY): Document.
(MAX_INIT_PRIORITY): Likewise.
(MAX_RESERVED_INIT_PRIORITY): Likewise.
(tree_map_base): New type.
(tree_map_base_eq): New function.
(tree_map_base_hash): Likewise.
(tree_map_base_marked_p): Likewise.
(tree_map): Inherit from tree_map_base.
(tree_map_eq): Make it a macro.
(tree_map_marked_p): Likewise.
(tree_int_map): Inherit from tree_map_base.
(tree_int_map_eq): Make it a macro.
(tree_int_map_hash): Likewise.
(tree_int_map_marked_p): Likewise.
(tree_priority_map): New type.
(tree_priority_map_eq): New macro.
(tree_priority_map_hash): Likewise.
(tree_priority_map_marked_p): Likewise.
* varasm.c (emults_decl): Adjust for refactoring of tree_map
hierarchy.
(emutls_common_1): Likewise.
* lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
* tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
of tree_map hierarchy.
* tree-cfg.c (move_stmt_r): Likewise.
(new_label_mapper): Likewise.
* c-tree.h (c_expand_body): Move to ...
* c-common.h (c_expand_body): ... here.
* c-decl.c (c_expand_body): Move to ...
* c-common.c (c_expand_body): ... here.
(c_common_attribute_table): Allow 1 argument for the constructor
and destructor attributes.
(get_priority): New function.
(handle_constructor_attribute): Set DECL_INIT_PRIORITY.
(handle_destructor_attribute): Set DECL_FINI_PRIORITY.
* cp-tree.h (static_ctors): Remove.
* cp-tree.h (static_dtors): Likewise.
* cp-objcp-common.c (decl_shadowed_for_var_lookup): Adjust for
refactoring of tree_map hierarchy.
(decl_shadowed_for_var_insert): Likewise.
* semantics.c (expand_body): Use c_expand_body.
(expand_or_defer_fn): Don't update static_ctors or static_dtors.
* decl2.c (static_ctors): Remove.
(static_dtors): Likewise.
(generate_ctor_or_dtor_function): Pass NULL_TREE to
objc_generate_static_init_call. Do not call static_[cd]tors.
(generate_ctor_and_dtor_functions_for_priority): Do not check for
static_[cd]tors.
(cp_write_global_declarations): Likewise.
* decl.c (annotate_value): Adjust for refactoring of tree_map
hierarchy.
* gcc.dg/initpri1.c: New test.
* gcc.dg/initpri2.c: Likewise.
* g++.dg/special/initpri1.C: New test.
* g++.dg/special/initpri2.C: Likewise.
* g++.dg/special/conpr-1.C: Use init_priority effective target.
* g++.dg/special/conpr-2.C: Likewise.
* g++.dg/special/conpr-3.C: Likewise.
* g++.dg/special/conpr-4.C: Likewise.
* g++.dg/special/initp1.C: Likewise.
* g++.dg/special/ecos.exp: Remove code to detect availability of
constructor priorities.
* lib/target-support.exp (target_init_priority): New function.
From-SVN: r122315
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DECL_STRUCT_FUNCTION initialized.
* tree-cfg.c (dump_function_to_file): Be prepared for functions
without DECL_STRUCT_FUNCTION initialized.
From-SVN: r122135
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2007-02-16 Richard Guenther <rguenther@suse.de>
* tree-flow-inline.h (single_imm_use_p): Remove.
(zero_imm_uses_p): Likewise.
* tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
instead of single_imm_use_p.
* tree-cfg.c (replace_uses_by): Use has_zero_use instead of
zero_imm_uses_p.
From-SVN: r122036
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GIMPLE_MODIFY_STMT)
PR middle-end/30391
* tree.c (expr_align): Handle MODIFY_EXPR. GIMPLE_MODIFY_STMT
should be unreachable.
(build2_stat): Allow construction of MODIFY_EXPR at any time.
For the time being redirect GIMPLE_MODIFY_STMT to the new
(renamed) build_gimple_modify_stmt_stat.
(build2_gimple_stat): Rename to...
(build_gimple_modify_stmt_stat): Now longer take a CODE argument.
Always build a GIMPLE_MODIFY_STMT node.
* tree.h (build2_gimple, build2_gimple_stat): Delete.
(build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
declarations.
* tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
* tree-complex.c (set_component_ssa_name, expand_complex_move,
expand_complex_div_wide): Likewise.
* tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
* tree-ssa-loop-im.c (schedule_sm): Likewise.
* tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
* tree-ssa-loop-manip.c (create_iv): Likewise.
* tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
abs_replacement): Likewise.
* tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
realify_fake_stores): Likewise.
* builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
node rather than a GIMPLE_MODIFY_STMT node.
(std_gimpify_va_arg_expr, expand_builtin_va_copy,
fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
Likewise.
(integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
* expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
GIMPLE_MODIFY_STMT.
* gfortran.dg/pr30391-1.f90: New test case.
From-SVN: r122030
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./: * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
* flags.h (warn_strict_overflow): Declare.
(enum warn_strict_overflow_code): Define.
(issue_strict_overflow_warning): New static inline function.
* opts.c (warn_strict_overflow): New variable.
(common_handle_option): Handle OPT_Wstrict_overflow and
OPT_Wstrict_overflow_.
* c-opts.c (c_common_handle_option): Set warn_strict_overflow for
OPT_Wall.
* fold-const.c: Include intl.h.
(fold_deferring_overflow_warnings): New static variable.
(fold_deferred_overflow_warning): New static variable.
(fold_deferred_overflow_code): New static variable.
(fold_defer_overflow_warnings): New function.
(fold_undefer_overflow_warnings): New function.
(fold_undefer_and_ignore_overflow_warnings): New function.
(fold_deferring_overflow_warnings_p): New function.
(fold_overflow_warning): New static function.
(make_range): Add strict_overflow_p parameter. Change all
callers.
(extract_muldiv, extract_muldiv_1): Likewise.
(fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
tree_expr_nonnegative_p.
(fold_negate_expr): Call fold_overflow_warning.
(fold_range_test): Likewise.
(fold_comparison): Likewise.
(fold_binary): Likewise. Call tree_expr_nonnegative_warnv_p
instead of tree_expr_nonnegative_p.
(tree_expr_nonnegative_warnv_p): Rename from
tree_expr_nonnegative_p, add strict_overflow_p parameter.
(tree_expr_nonnegative_p): New function.
(tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
strict_overflow_p parameter.
(tree_expr_nonzero_p): New function.
* passes.c (verify_interpass_invariants): New static function.
(execute_one_pass): Call it.
* tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
warnings.
(number_of_iterations_exit, loop_niter_by_eval): Likewise.
(estimate_numbers_of_iterations): Likewise.
(scev_probably_wraps_p): Likewise.
* tree-ssa-ccp.c: Include "toplev.h".
(evaluate_stmt): Defer fold overflow warnings until we know we are
going to optimize.
(struct fold_stmt_r_data): Add stmt field.
(fold_stmt_r): Defer fold overflow warnings until we know we
optimized.
(fold_stmt): Initialize stmt field of fold_stmt_r_data.
(fold_stmt_inplace): Likewise.
* tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
(cleanup_control_expr_graph): Defer fold overflow warnings until
we know we are going to optimize.
* tree-cfg.c (fold_cond_expr_cond): Likewise.
* tree-ssa-threadedge.c (simplify_control_stmt_condition):
Likewise.
* tree-vrp.c (vrp_expr_computes_nonnegative): Call
tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
* tree-ssa-loop-manip.c (create_iv): Likewise.
* c-typeck.c (build_conditional_expr): Likewise.
(build_binary_op): Likewise.
* tree-vrp.c (vrp_expr_computes_nonzero): Call
tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
(extract_range_from_unary_expr): Likewise.
* simplify-rtx.c (simplify_const_relational_operation): Warn when
assuming that signed overflow does not occur.
* c-common.c (pointer_int_sum): Ignore fold overflow warnings.
* tree.h (tree_expr_nonnegative_warnv_p): Declare.
(fold_defer_overflow_warnings): Declare.
(fold_undefer_overflow_warnings): Declare.
(fold_undefer_and_ignore_overflow_warnings): Declare.
(fold_deferring_overflow_warnings_p): Declare.
(tree_expr_nonzero_warnv_p): Declare.
* doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
of warning options.
(Warning Options): Document -Wstrict-overflow.
* Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
(tree-ssa-ccp.o): Likewise.
(tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
(fold-const.o): Depend on intl.h.
testsuite/:
* gcc.dg/Wstrict-overflow-1.c: New test.
* gcc.dg/Wstrict-overflow-2.c: New test.
* gcc.dg/Wstrict-overflow-3.c: New test.
* gcc.dg/Wstrict-overflow-4.c: New test.
* gcc.dg/Wstrict-overflow-5.c: New test.
* gcc.dg/Wstrict-overflow-6.c: New test.
* gcc.dg/Wstrict-overflow-7.c: New test.
* gcc.dg/Wstrict-overflow-8.c: New test.
* gcc.dg/Wstrict-overflow-9.c: New test.
* gcc.dg/Wstrict-overflow-10.c: New test.
From-SVN: r121895
|
|
same one; always update histograms.
* tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
the same one; always update histograms.
From-SVN: r121724
|
|
2006-02-06 Paolo Bonzini <bonzini@gnu.org>
* Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
(tree-ssa-reassoc.o): Add pointer-set.h dependency.
(tree-cfg.o): Remove hashtab.h dependency.
* tree-ssa-loop-ivopts.c: Include pointer-set.h.
(struct ivopts_data): Change niters to pointer_map_t.
(struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
(niter_for_exit): Create pointer_map on demand. Change for
pointer_map API.
(tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
(free_loop_data): Destroy data->niters if created and reset field.
(tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
(tree_ssa_iv_optimize_loop): Check for presence of stale data.
* tree-ssa-reassoc.c: Include pointer-set.h.
(bb_rank): Change to long *.
(operand_rank): Change to pointer_map_t.
(find_operand_rank): Return long, -1 if not found. Declare as inline.
(insert_operand_rank): Accept long.
(operand_entry_hash, operand_entry_eq): Remove.
(get_rank): Return long. Adjust for changes above.
(init_reassoc): Change rank type to long. Adjust creation of bb_rank
and operand_rank.
(fini_reassoc): Delete operand_rank with pointer_map_destroy.
* tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
(struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
(insert_vi_for_tree): Rewrite for pointer_map API. Assert argument
is not NULL.
(lookup_vi_for_tree): Rewrite for pointer_map API. Return varinfo_t
directly since it cannot be NULL.
(get_vi_for_tree): Rewrite for pointer_map API.
(find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
(init_alias_vars): Create vi_for_tree as pointer_map.
(delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
* tree-cfg.c: Don't include hashtab.h.
(edge_to_cases): Declare as pointer_map.
(struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
Delete.
(edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
(start_recording_case_labels): Create edge_to_cases as pointer_map.
(end_recoding_case_labels): Cleanup edge_to_cases manually before
destroying it.
(record_switch_edge): Delete.
(get_cases_for_edge): Adjust for pointer_map API, inline
record_switch_edge (rewritten for new API), remove goto.
From-SVN: r121648
|
|
* cfgloopmanip.c (loop_delete_branch_edge): Removed.
(remove_path): Use can_remove_branch_p and remove_branch instead
of loop_delete_branch_edge.
* tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
(tree_transform_and_unroll_loop): Remove dead branches immediately.
Update profile using scale_dominated_blocks_in_loop.
* cfghooks.c (can_remove_branch_p, remove_branch): New functions.
* cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
(can_remove_branch_p, remove_branch): Declare.
* tree-cfg.c (tree_can_remove_branch_p): New function.
(tree_cfg_hooks): Add tree_can_remove_branch_p.
* cfgrtl.c (rtl_can_remove_branch_p): New function.
(rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
From-SVN: r121583
|
|
* tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
* tree-tailcall (add_virtual_phis): Likewise.
(optimize_tail_call): Return TODOs.
(execute_tail_calls): Return TODOs.
* tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
* tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
changed.
* tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
Cleanup cfg using TODO.
* tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
* passes.c (execute_function_todo): When cleanup did something, remove
unused locals.
* tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
(make_edges): Don't cleanup_cfg.
From-SVN: r120900
|
|
* tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
separately.
(remove_stmt_from_eh_region_fn): Do not remove call_exprs.
(verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
* except.h (verify_eh_throw_table_statements): Kill prototype.
* cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
into call exrepssions.
* tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
eh trhow verifier.
* tree-cfg.c: Include pointer-set.h.
(verify_node_sharing): Work on pointer set.
(verify_eh_throw_stmt_node): New.
(verify_stmts): Use pointers sets, verify throw_stmt.
From-SVN: r120766
|
|
* cgraph.c (cgraph_release_function_body): New function.
(cgraph_remove_node): Use it.
* cgraph.h (cgraph_release_function_body): Declare.
* cgraphunit.c (cgraph_expand_function): Use it.
* ipa.c (cgraph_remove_unreahchable_nodes): Use it.
* tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
is initialized and while compilation of other function is running.
* tree-optimize.c (execute_free_cfg_annotations): Move code to clear
statement CFG annotations from here to ...
* tree-cfg.c (delete_tree_cfg_annotations): ... here.
From-SVN: r120437
|
|
definitions are deleted due to basic block...
* tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
whose definitions are deleted due to basic block merging.
From-SVN: r120423
|
|
* alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
* cfgbuild.c (find_basic_blocks): Likewise.
* cfgrtl.c (rtl_create_basic_block): Likewise.
* function.c (temp_slots_at_level): Likewise.
* reg-stack.c (stack_regs_mentioned): Likewise.
* regclass.c (allocate_reg_info): Likewise.
* tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
set_bb_for_stmt, move_block_to_fn): Likewise.
* tree-complex.c (tree_lower_complex): Likewise.
* vec.h (VEC_safe_grow_cleared): New.
From-SVN: r120386
|
|
* tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
Do not add referenced vars.
* tree-cfg.c (update_modified_stmts): Do not update when SSA operands
are not active.
* passes.c (init_optimization_passes): Put mudflap_2 after
free_datastructures.
From-SVN: r120358
|
|
2007-01-02 Kazu Hirata <kazu@codesourcery.com>
* alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
* cfgbuild.c (find_basic_blocks): Likewise.
* cfgrtl.c (rtl_create_basic_block): Likewise.
* function.c (temp_slots_at_level): Likewise.
* reg-stack.c (stack_regs_mentioned): Likewise.
* regclass.c (allocate_reg_info): Likewise.
* tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
set_bb_for_stmt, move_block_to_fn): Likewise.
* tree-complex.c (tree_lower_complex): Likewise.
* vec.h (VEC_safe_grow_cleared): New.
From-SVN: r120351
|
|
* alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
* cfgbuild.c (find_basic_blocks): Likewise.
* cfgrtl.c (rtl_create_basic_block): Likewise.
* function.c (temp_slots_at_level): Likewise.
* reg-stack.c (stack_regs_mentioned): Likewise.
* regclass.c (allocate_reg_info): Likewise.
* tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
set_bb_for_stmt, move_block_to_fn): Likewise.
* tree-complex.c (tree_lower_complex): Likewise.
* vec.h (VEC_safe_grow_cleared): New.
From-SVN: r120345
|
|
* tree-cfg.c (last_stmt_ptr): Remove.
* tree-flow.h: Remove the prototype for last_stmt_ptr.
From-SVN: r120266
|
|
* tree-ssa-loop-niter.c (zero_p, nonzero_p): Removed.
(number_of_iterations_ne, number_of_iterations_lt_to_ne,
assert_no_overflow_lt, assert_loop_rolls_lt,
number_of_iterations_lt, number_of_iterations_le,
number_of_iterations_cond, tree_simplify_using_condition_1,
number_of_iterations_exit, find_loop_niter, loop_niter_by_eval,
implies_nonnegative_p, implies_ge_p, record_nonwrapping_iv,
idx_infer_loop_bounds, n_of_executions_at_most, scev_probably_wraps_p):
Do not use zero_p/nonzero_p.
* tree-ssa-loop-manip.c (determine_exit_conditions): Ditto.
* tree-ssa-loop-ivopts.c (niter_for_exit, determine_biv_step,
find_interesting_uses_op, find_interesting_uses_cond,
find_interesting_uses_address, find_interesting_uses_stmt,
strip_offset_1, add_candidate_1, add_old_ivs_candidates,
difference_cost, determine_use_iv_cost_condition,
rewrite_use_compare, remove_unused_ivs): Ditto.
* tree-ssa-address.c (tree_mem_ref_addr, create_mem_ref_raw): Ditto.
* tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
* tree-cfg.c (find_taken_edge_cond_expr): Ditto.
* tree.h (zero_p): Declaration removed.
(null_or_integer_zerop, nonnull_and_integer_nonzerop): New.
From-SVN: r120156
|
|
* Makefile.in: Add dependencies.
* tree-pretty-print.c: Include value-prof.h
(dump_generic_bb_buff): Dump histograms
* value-prof.c: Include pointer-set.h
(gimple_alloc_histogram_value, histogram_hash, histogram_eq,
set_histogram_value, gimple_histogram_value,
gimple_add_histogram_value, gimple_remove_histogram_value,
gimple_histogram_value_of_type, dump_histogram_value,
dump_histograms_for_stmt, gimple_remove_stmt_histograms,
gimple_duplicate_stmt_histograms, visit_hist,
verify_histograms): New functions.
(tree_value_profile_transformations): Update for new histogram API.
(tree_divmod_fixed_value): Update for new histogram API.
(tree_divmod_fixed_value_transform): Update for new histogram API.
(tree_mod_pow2): Update for new histogram API.
(tree_mod_pow2_value_transform): Update for new histogram API.
(tree_mod_subtract): Update for new histogram API.
(tree_mod_subtract_transform): Update for new histogram API.
(tree_stringops_transform): Update for new histogram API.
(tree_divmod_values_to_profile): Update for new histogram API.
(tree_stringops_values_to_profile): Update for new histogram API.
(tree_find_values_to_profile): Update for new histogram API.
* value-prof.h (gimple_histogram_value): Declare.
(gimple_histogram_value_of_type): Declare.
(gimple_add_histogram_value): Declare.
(gimple_remove_histogram_value): Declare.
(dump_histograms_for_stmt): Declare.
(gimple_remove_histogram_value): Declare.
(gimple_remove_stmt_histograms): Declare.
(gimple_duplicate_stmt_histograms): Declare.
(verify_histograms): Declare.
* function.h
(struct funrction): Add value_histograms hash.
(VALUE_HISTOGRAMS): New macro.
* profile.c (compute_value_histograms): update for new API.
* tree-inline.c: Include value-prof.h
(copy_bb): Update histograms.
* tree-flow.h (struct stmt_ann_d): Do not contain pointer to histograms;
reorder to get smaller memory layout.
* tree-cfg.c: Include value-prof.h
(bsi_remove): Update histograms.
(bsi_replace): Update histograms.
(verify_stmts): Call histogram verifier.
(tree_duplicate_bb): Update histograms.
(move_block_to_fn): Update histograms.
From-SVN: r119829
|
|
2006-12-11 Diego Novillo <dnovillo@redhat.com>
* doc/tree-ssa.texi: Update documentation for virtual operands
and the use of push_stmt_changes/pop_stmt_changes.
* doc/invoke.texi: Remove documentation for params
global-var-threshold.
Update documentation on max-aliased-vops.
* tree-into-ssa.c: Cleanup comments, variables and
spacing in various functions.
(regs_to_rename): Declare.
(mem_syms_to_rename): Declare.
(dump_update_ssa): Declare.
(debug_update_ssa): Declare.
(dump_names_replaced_by): Declare.
(debug_names_replaced_by): Declare.
(dump_def_blocks): Declare.
(debug_def_blocks): Declare.
(dump_defs_stack): Declare.
(debug_defs_stack): Declare.
(dump_currdefs): Declare.
(debug_currdefs): Declare.
(mark_def_sites): Do not handle virtual operands.
(compute_idf): Rename from find_idf. Update users.
(register_new_def): Make local. Convert second argument
to 'tree'.
Use BLOCK_DEFS_STACK directly.
If pushing a non-register, also push the underlying
symbol.
(rewrite_stmt): Do not handle virtual operands.
(dump_tree_ssa): Call dump_def_blocks, dump_defs_stack,
dump_currdefs and dump_tree_ssa_stats.
(dump_tree_ssa_stats): Also dump REPL_TBL.
(replace_use): Remove. Update all users to call SET_USE
instead.
(rewrite_blocks): Move code to free memory to
fini_ssa_renamer.
(mark_def_site_blocks): Move initialization code to
init_ssa_renamer.
(init_ssa_renamer): New.
(fini_ssa_renamer): New.
(rewrite_into_ssa): Call them.
(prepare_block_for_update): Process SSA_OP_ALL_USES first
and SSA_OP_ALL_DEFS later. Do not process virtual
operands separately.
(dump_update_ssa): Call dump_decl_set.
(init_update_ssa): Initialize regs_to_rename and
mem_syms_to_rename.
Call init_ssa_renamer.
(delete_update_ssa): Call fini_ssa_renamer.
Free blocks_with_phis_to_rewrite.
(mark_sym_for_renaming): If the variable has
sub-variables, also mark them.
If the variable belongs to a partition, also mark it.
(mark_set_for_renaming): Call mark_sym_for_renaming on
every symbol in the set.
(switch_virtuals_to_full_rewrite): Call
mark_set_for_renaming.
(update_ssa): Separate syms_to_rename into regs_to_rename
and mem_syms_to_rename.
* tree-dump.c (dump_options): Add TDF_MEMSYMS.
* tree-pretty-print.c (debug_generic_expr): Add TDF_MEMSYMS.
(debug_generic_stmt): Likewise.
(debug_tree_chain): Likewise.
(dump_symbols): New.
(dump_generic_node): Check for TDF_MEMSYMS.
Handle MEMORY_PARTITION_TAG.
If the statement references memory and TDF_MEMSYMS is
given, call dump_symbols.
Indicate default names with (D).
(dump_vops): Update for new virtual operator format.
* tree.c (init_ttree): Add MEMORY_PARTITION_TAG to
tree_contains_struct.
(tree_code_size): Handle MEMORY_PARTITION_TAG.
(tree_node_structure): Likewise.
(needs_to_live_in_memory): Handle SSA names.
* tree.h (MTAG_P): Likewise.
(struct tree_memory_partition_tag): Declare.
(MPT_SYMBOLS): Define.
(union tree_node): Add field 'mpt'.
* treestruct.def (TS_MEMORY_PARTITION_TAG): Define.
* tree.def (MEMORY_PARTITION_TAG): Define.
* tree-pass.h (TDF_MEMSYMS): Define.
* params.h (GLOBAL_VAR_THRESHOLD): Remove.
* tree-ssa-alias.c: Include pointer-set.h
(struct alias_map_d): Remove fields total_alias_vops,
grouped_p and may_aliases. Update all users.
(struct mp_info_def): Declare.
(mp_info_t): New type.
(get_smt_for): Rename from get_tmt_for. Update all
users.
(add_may_alias): Add argument ALREADY_ADDED. If given,
use it to avoid adding duplicate entries to alias sets.
(replace_may_alias): Remove. Update all users.
(total_alias_vops_cmp): Remove. Update all users.
(group_aliases_into): Remove. Update all users.
(tree_pointer_compare): Remove. Update all users.
(compact_name_tags): Remove. Update all users.
(group_aliases): Remove. Update all users.
(mark_non_addressable): Move from tree-flow-inline.h.
Remove the symbol from the partition holding it, if
needed.
(dump_mp_info): New.
(debug_mp_info): New.
(sort_mp_info): New.
(create_partition_for): New.
(rewrite_alias_set_for): New.
(compute_memory_partitions): New.
(compute_may_aliases): Call it.
(init_alias_info): If computing aliases for the first
time, mark every memory symbol for renaming.
(have_common_aliases_p): New.
(compute_flow_insensitive_aliasing): Call it.
(setup_pointers_and_addressables): Do not cache
num_referenced_vars.
For register promoted symbols, mark their former
partition for renaming.
(maybe_create_global_var): Only create .GLOBAL_VAR if
there are no call-clobbered variables and a mix of pure
and non-pure functions were found.
(may_alias_p): Tidy comments.
(create_tag_raw): Remove unused variable new_type.
(dump_alias_info): call dump_memory_partitions.
(dump_points_to_info_for): Call dump_decl_set.
(may_be_aliased): Tidy comments and formatting.
* timevar.def (TV_MEMORY_PARTITIONING): Define.
* tree-vectorizer.c (vect_memsyms_to_rename): Rename from
vect_vnames_to_rename. Set DECL_UIDs instead of SSA name
versions in it.
(slpeel_update_phi_nodes_for_guard1): Ignore memory PHIs.
* tree-vect-transform.c (vect_transform_loop): Call
mark_set_for_renaming with vect_memsyms_to_rename.
* tree-flow-inline.h (zero_imm_uses_p): New.
(memory_partition): New.
(set_memory_partition): New.
(factoring_name_p): New.
(symbol_mem_tag): New. Update every function that used
to access the annotation directly.
(set_symbol_mem_tag): Likewise.
* tree-ssa-copy.c (may_propagate_copy): Allow copies
between a partition and a symbol as long as the symbol
belongs to the partition.
(merge_alias_info): Ignore merge requests when memory
partitions are involved.
* tree-ssa.c (verify_ssa_name): Check that default
definitions have empty defining statements.
(verify_use): Remove argument IS_VIRTUAL.
Don't call verify_ssa_name.
(verify_phi_args): Call verify_ssa_name.
(verify_flow_insensitive_alias_info): Handle MPTs.
(verify_flow_sensitive_alias_info): Likewise.
(verify_name_tags): Likewise.
(verify_call_clobbering): Likewise.
(verify_ssa): Check for VOPs only after aliasing
information is available.
Check virtuals and real operands separately.
Call verify_ssa_name on every operand.
(stmt_references_memory_p): Move to tree-ssa-operands.c.
(walk_use_def_chains_1): Guard against NULL PHI
arguments.
* tree-ssa-operands.c (stmt_references_memory_p): Move from
tree-ssa.c.
(get_mpt_for): New.
(dump_memory_partitions): New.
(debug_memory_partitions): New.
* tree-flow.h (struct var_ann_d): Add field mpt.
(struct stmt_ann_d): Add bitfield references_memory.
* Makefile.in (tree-ssa-structalias.o): Include
pointer-set.h
(tree-ssa-alias.o): Likewise.
* tree-ssa-structalias.c: (update_alias_info): Use
STORED_SYMS to determine which variables are being
written to by the store operation.
* tree-ssa-structalias.h (struct alias_info)
<total_alias_vops>: Remove. Update all users.
<written_vars>: Change to a pointer set. Update all
users.
<dereferenced_ptrs_store>: Likewise.
<dereferenced_ptrs_load>: Likewise.
(NUM_REFERENCES): Remove. Update all users.
(NUM_REFERENCES_CLEAR): Remove. Update all users.
(NUM_REFERENCES_INC): Remove. Update all users.
(NUM_REFERENCES_SET): Remove. Update all users.
* params.def (PARAM_GLOBAL_VAR_THRESHOLD): Remove.
Update all users.
(PARAM_MAX_ALIASED_VOPS): Set to 10.
* tree-ssanames.c (make_ssa_name): Initialize
SSA_NAME_IS_DEFAULT_DEF to 0.
2006-12-11 Aldy Hernandez <aldyh@redhat.com>
* tree-ssa-dse.c (aggregate_vardecl_d): New.
(dse_global_data): Add aggregate_vardecl field.
(dse_possible_dead_store_p): New.
Add prev_defvar variable.
Allow immediate uses and previous immediate uses to differ
if they are setting different parts of the whole.
(get_aggregate_vardecl): New.
(dse_record_partial_aggregate_store): New.
(dse_whole_aggregate_clobbered_p): New.
(dse_partial_kill_p): New.
(dse_optimize_stmt): Abstract code checking a possible dead store
into new function dse_possible_dead_store_p().
Call dse_maybe_record_aggregate_store().
When checking whether a STMT and its USE_STMT refer to the
same memory address, check also for partial kills that clobber
the whole.
Move some variable definitions to the block where they are used.
(aggregate_vardecl_hash): New.
(aggregate_vardecl_eq): New.
(aggregate_vardecl_free): New.
(aggregate_whole_store_p): New.
(tree_ssa_dse): Initialize and free aggregate_vardecl.
Mark which aggregate stores we care about.
2006-12-11 Andrew Macleod <amacleod@redhat.com>
* tree-ssa-operands.h (struct vuse_element_d): Declare.
(vuse_element_t): Declare.
(struct vuse_vec_d): Declare.
(vuse_vec_p): Declare.
(VUSE_VECT_NUM_ELEM): Define.
(VUSE_VECT_ELEMENT_NC): Define.
(VUSE_ELEMENT_PTR_NC): Define.
(VUSE_ELEMENT_VAR_NC): Define.
(VUSE_VECT_ELEMENT): Define.
(VUSE_ELEMENT_PTR): Define.
(VUSE_ELEMENT_VAR): Define.
(struct maydef_optype_d) <use_var>: Remove.
<use_ptr>: Remove.
<usev>: Add.
(struct vuse_optype_d) <kill_var>: Remove.
<use_ptr>: Remove.
<usev>: Add.
(struct mustdef_optype_d) <kill_var>: Remove.
<use_ptr>: Remove.
<usev>: Add.
(VUSE_OP_PTR): Add argument. Use VUSE_ELEMENT_PTR.
(VUSE_OP): Add argument. Use VUSE_ELEMENT_PTR.
(VUSE_NUM): Define.
(VUSE_VECT): Define.
(MAYDEF_OP_PTR): Add argument. Use VUSE_OP_PTR.
(MAYDEF_OP): Add argument. Use VUSE_OP.
(MAYDEF_NUM): Define.
(MAYDEF_VECT): Define.
(MUSTDEF_KILL_PTR): Use VUSE_OP_PTR.
(MUSTDEF_KILL): Use VUSE_OP.
(MUSTDEF_NUM): Define.
(MUSTDEF_VECT): Define.
(realloc_maydef): Declare.
(realloc_vuse): Declare.
(struct ssa_operand_iterator_d) <vuse_index>: Add.
<mayuse_index>: Add.
(LOADED_SYMS): Define.
(STORED_SYMS): Define.
(FOR_EACH_SSA_MUSTDEF_OPERAND): Call op_iter_next_mustdef.
* tree-into-ssa.c: Adapt for multi-operand V_MAY_DEF and VUSE
operators.
* tree-pretty-print.c: Likewise.
* tree-ssa-dse.c: Likewise.
* tree-flow-inline.h: Likewise.
(op_iter_next_mustdef): New.
* tree-ssa-operands.c: Likewise.
(ALLOC_OPTYPE): Remove.
Update all users.
(alloc_def): New.
(alloc_use): New.
(alloc_maydef): New.
(alloc_vuse): New.
(alloc_mustdef): New.
(realloc_maydef): New.
(realloc_vuse): New.
2006-12-11 Aldy Hernandez <aldyh@redhat.com>
* tree-ssa-operands.c: Remove build_v_must_defs.
(init_ssa_operands): Delete build_v_must_defs.
(finalize_ssa_v_must_def_ops): Remove.
(finalize_ssa_v_must_defs): Remove.
(finalize_ssa_stmt_operands): Do not call
finalize_ssa_v_must_defs.
(start_ssa_stmt_operands): Do not check build_v_must_defs.
(append_v_must_def): Delete.
(copy_virtual_operands): Do not copy V_MUST_DEFs.
(get_modify_expr_operands): Remove reference to V_MUST_DEF from
comment. Remove opf_kill_def.
(build_ssa_operands): Remove references to v_must_defs.
(copy_virtual_operands): Same.
(copy_virtual_operands): Same.
(fini_ssa_operands): Same.
(free_ssa_operands): Same.
(add_mustdef_op): Remove.
Remove mustdef_optype_p.
(alloc_mustdef): Remove.
Remove references to V_MUST_DEFs in comment at top of file.
(get_expr_operands): Remove opf_kill_def.
(opf_kill_def): Remove.
(add_virtual_operand): Remove opf_kill_def.
(get_indirect_ref_operands): Same.
(get_tmr_operands): Same.
* tree-vectorizer.c (rename_variables_in_bb): Remove
SSA_OP_ALL_KILLS.
* tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Remove
SSA_OP_ALL_KILLS.
(check_loop_closed_ssa_stmt): Same.
* tree-ssa.c (verify_def): Remove V_MUST_DEF from comment.
(verify_use): Same.
(verify_ssa): Remove V_MUST_DEFs traces.
(verify_ssa): Remove SSA_OP_ALL_KILLS.
* tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTDEF to
SSA_OP_VMAYDEF.
(rewrite_update_stmt): Remove SSA_OP_VIRTUAL_KILLS.
(rewrite_stmt): Remove SSA_OP_ALL_KILLS.
* tree-ssa-operands.h (struct stmt_operands_d): Remove V_MUST_DEF
references.
(MUSTDEF_OPS): Remove.
(SSA_OP_VMUSTDEF): Remove.
(FOR_EACH_SSA_MUSTDEF_OPERAND): Remove.
(struct mustdef_optype_d): Remove.
Remove mustdef_optype_p.
(struct stmt_operands_d): Remove mustdef_ops.
(ssa_operand_iterator_d): Remove mustdefs and mustkills.
(SSA_OP_VIRTUAL_DEFS): Remove SSA_OP_VMUSTDEF.
(MUSTDEF_RESULT_PTR): Remove.
(MUSTDEF_RESULT): Remove.
(MUSTDEF_KILL_PTR): Remove.
(MUSTDEF_KILL): Remove.
(MUSTDEF_NUM): Remove.
(MUSTDEF_VECT): Remove.
(SSA_OP_VIRTUAL_KILLS): Remove.
(SSA_OP_ALL_VIRTUALS): Remove SSA_OP_VIRTUAL_KILLS.
(SSA_OP_VMUSTKILL): Remove.
(SSA_OP_ALL_KILLS): Remove.
(SSA_OP_ALL_OPERANDS): Remove SSA_OP_ALL_KILLS.
* tree-flow-inline.h (op_iter_init_def): Remove
SSA_OP_VIRTUAL_KILLS.
(delink_stmt_imm_use): Remove SSA_OP_ALL_KILLS.
* tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
SSA_OP_VIRTUAL_KILLS.
* tree-ssa-loop-im.c (determine_max_movement): Remove
SSA_OP_VIRTUAL_KILLS.
(gather_mem_refs_stmt): Same.
(gather_mem_refs_stmt): Same.
* tree-ssa-dce.c (mark_really_necessary_kill_operand_phis): Delete.
(perform_tree_ssa_dce): Remove call to
mark_really_necessary_kill_operand_phis.
* tree-flow-inline.h (op_iter_init): Remove setting of mustdefs
and mustkills.
(op_iter_next_use): Do not check mustkills.
(op_iter_next_def): Do not check mustdefs.
(op_iter_next_tree): Do not check mustkills or mustdefs.
(clear_and_done_ssa_iter): Do not set mustdefs or mustkills.
(op_iter_next_maymustdef): Do not check mustkills.
(op_iter_init_must_and_may_def): Remove SSA_OP_VMUSTKILL.
(op_iter_init_mustdef): Remove.
* tree-ssa-live.c (create_ssa_var_map): Change SSA_OP_VMUSTDEF to
SSA_OP_VMAYDEF.
* tree-ssa-dse.c (dse_optimize_stmt): Remove SSA_OP_VMUSTDEF.
* tree-ssa-ccp.c: Remove V_MUST_DEF traces from comments.
(visit_assignment): Same.
* tree-ssa-copy.c (copy_prop_visit_assignment): Same.
* tree-sra.c (mark_all_v_defs_1): Remove V_MUST_DEF from comment.
* tree-outof-ssa.c (check_replaceable): Remove SSA_OP_VMUSTDEF.
* tree-pretty-print.c (dump_vops): Remove printing of V_MUST_DEF.
Remove kill_p variable.
* tree-dfa.c (struct dfa_stats_d): Remove num_v_must_defs.
(dump_dfa_stats): Remove code related to V_MUST_DEFs.
(collect_dfa_stats_r): Do not set num_v_must_defs.
(mark_new_vars_to_rename): Remove v_must_defs_{before,after}
code.
* tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTKILL to
SSA_OP_VMAYUSE.
* tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
SSA_OP_VMUSTDEF and SSA_OP_VMUSTKILL.
* tree-ssa-propagate.c (stmt_makes_single_store): Remove
SSA_OP_VMUSTDEF.
From-SVN: r119760
|
|
create_ssa_artficial_load_stmt.
* tree-ssa-operands.h (create_ssa_artificial_load_stmt):
Rename from create_ssa_artficial_load_stmt. Update all users.
* tree-into-ssa.c (register_new_def): Make static.
* tree.c (is_global_var): Handle SSA_NAMEs.
* tree.h (SSA_NAME_IS_DEFAULT_DEF): Define. Update all users
that used to call gimple_default_def.
* tree-ssa-operands.c (push_stmt_changes): New.
(pop_stmt_changes): New. Update every pass that modifies
statements to bracket modifications with
push_stmt_changes/pop_stmt_changes.
(discard_stmt_changes): New.
* tree-ssa-dom.c (stmts_to_rescan): Change to stack of
'tree *' instead of 'tree'. Update all users.
* tree-flow-inline.h (zero_imm_uses_p): New.
(symbol_mem_tag): New. Update every function that used
to access the annotation directly.
(set_symbol_mem_tag): Likewise.
* tree-dfa.c (dump_variable): Always show the escape mask.
(mark_symbols_for_renaming): Rename from
mark_new_vars_to_rename. Update all users.
Only mark to rename naked symbols in real and virtual
operands.
From-SVN: r119746
|
|
* tree-phinodes.c (remove_phi_node): Add argument
RELEASE_LHS_P. If given, release the SSA name on the LHS of
the PHI node.
Update all users.
* tree-ssa-dce.c: Remove forward declarations for static
functions. Re-arrange functions bodies as needed.
(find_obviously_necessary_stmts): Never mark PHI nodes as
obviously necessary.
From-SVN: r119740
|
|
* 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
|
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From-SVN: r119546
|
|
* tree-flow-inline.h
(gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
gimple_nonlocal_all): New accessors.
(first_referenced_var): Update.
(mark_stmt_modified): Update.
(is_call_clobbered): Update.
(mark_call_clobbered): Update.
(clear_call_clobbered): Update.
(mark_non_addressable): Update.
* tree-vrp.c (get_value_range): Update.
* tree-into-ssa.c (in_ssa_p): Kill.
(get_default_def_for): Update.
(rewrite_into_ssa): Update.
* tree-complex.c (init_parameter_lattice_values): Update.
(update_complex_assignment): Update.
(update_parameter_components): Update.
(expand_complex_libcall): Update.
(expand_complex_operations_1): Update.
* tree-tailcall.c (arg_needs_copy_p): Update.
(add_virtual_phis): Update.
(tree_optimize_tail_calls_1): Update.
* tree-ssa-dse.c (memory_ssa_name_same): Update.
* tree-ssa-copyrename.c
(copy_rename_partition_coalesce): Update.
* tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
* tree-ssa-propagate.c (set_rhs): Update.
* tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
addressable_vars, global_var):Kill.
(set_initial_properties): Update.
(init_alias_info): Update.
(finalize_ref_all_pointers): Update.
(setup_pointers_and_addressables): Update.
(maybe_create_global_var): Update.
(create_global_var): Update.
(dump_points_to_info): Update.
* function.h (struct gimple_df): Forward declare.
(struct function): Add GIMPLE_DF field.
* gimplify.c (force_gimple_operand): Update.
* tree-dfa.c (referenced_vars, default_defs): KIll.
(make_rename_temp): Update.
(dump_variable): Update.
(referenced_var_lookup): Update.
(referenced_var_check_and_insert): Update.
(default_def): Rename to ...
(gimple_default_def): ... this one; accept cfun argument.
(set_default_def): Update.
* tree-cfgcleanup.c (modified_noreturn_calls): Kill.
(cleanup_control_flow): Update.
* tree-ssa-pre.c (compute_avail): Update
* tree-ssa-live.c (calculate_live_on_entry): Update.
* tree-ssa.c (verify_use): Update.
(verify_call_clobbering): Update.
(verify_call_clobbering): Update.
(init_tree_ssa): Update.
(delete_tree_ssa): Update.
* tree-outof-ssa.c (coalesce_ssa_name): Update.
(rewrite_out_of_ssa): Update.
* tree-flow.h (gimple_df): New structure collecting dataflow variables.
(FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
private accessors.
(in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
ssa_names, global_var, nonlocal_all, call_clobbered_vars,
addressable_vars, aliases_computed_p): Kill.
(default_def): Rename to...
(gimple_default_def): ... this one.
(defaule_def_fn): Kill.
(num_referenced_vars, ssa_names, num_ssa_names): Update.
* tree-ssa-structalias.c (nonlocal_all): Kill.
(get_constraint_exp_from_ssa_var): Update.
(create_nonlocal_var): Update.
(get_constraint_for): Update.
(update_alias_info): Update.
(find_global_initializers): Update.
(intra_create_variable_infos): Update.
(intra_create_variable_infos):
(find_what_p_points_to): Update.
(init_alias_heapvars): Update.
* tree-cfg.c (remove_bb): Update.
(gimplify_val): Update.
* tree-ssa-reassoc.c (get_rank): Update.
(init_reassoc): Update.
* tree-ssanames.c: Do not include gt-tree-ssanames.h
(ssa_names, free_ssanames): Kill.
(init_ssanames): Update.
(make_ssa_name): Update.
(release_ssa_name): Update.
(release_defs): Update.
(replace_ssa_name_symbol): Update.
* tree-ssa-operands.c (access_can_touch_variable): Update.
(add_virtual_operand): Update.
(add_call_clobber_ops): Update.
(add_call_read_ops): Update.
(get_call_expr_operands): Update.
(get_asm_expr_operands): Update.
From-SVN: r119294
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* 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
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'declaration' (var_decl) in build_vector, at tree.c:973)
PR middle-end/28915
* gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
vector ctors.
* tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
vector ctors.
* expmed.c (make_tree): Handle CONST, SYMBOL_REF.
* tree.c (build_vector): Handle non-_CST elements.
Co-Authored-By: Andrew Pinski <pinskia@physics.uc.edu>
From-SVN: r118747
|
|
* tree-flow.h (name_mappings_registered_p): Declare.
* tree-into-ssa.c (name_mappings_registered_p): New function.
* tree-cfg.c (tree_can_merge_blocks_p): Check
name_mappings_registered_p instead of need_ssa_update_p.
From-SVN: r118732
|
|
2006-11-11 Richard Guenther <rguenther@suse.de>
* tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
Remove unused tree codes.
* tree-vrp.c (extract_range_from_unary_expr): Remove handling
of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
* tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
* tree.c (stabilize_reference): Likewise.
* fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
fold_unary): Likewise.
* tree-gimple.c (is_gimple_cast): Likewise.
* dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
* expr.c (expand_expr_real_1): Likewise.
* tree-eh.c (tree_could_trap_p): Likewise.
* gimplify.c (gimplify_expr): Likewise.
* tree-inline.c (estimate_num_insns_1): Likewise.
* tree-cfg.c (verify_expr): Likewise.
cp/
* typeck.c (build_unary_op): Likewise.
java/
* check-init.c (check_init): Likewise.
ada/
* trans.c (maybe_stabilize_reference): Likewise.
fortran/
* trans-intrinsic.c (enum rounding_mode): New enum.
(build_fix_expr, gfc_conv_intrinsic_aint, gfc_conv_intrinsic_mod,
gfc_conv_intrinsic_function): Use it instead of FIX_CEIL_EXPR,
FIX_FLOOR_EXPR, FIX_ROUND_EXPR and FIX_TRUNC_EXPR.
From-SVN: r118692
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|
* builtins.c (expand_builtin_setjmp): Delete.
(expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
<BUILT_IN_SETJMP_SETUP>: New case.
<BUILT_IN_SETJMP_DISPATCHER>: Likewise.
<BUILT_IN_SETJMP_RECEIVER>: Likewise.
* builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
(BUILT_IN_SETJMP_DISPATCHER): Likewise.
(BUILT_IN_SETJMP_RECEIVER): Likewise.
* gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
(lower_function_body): Initialize it to false. If it is set to true
at the end of the processing, emit the setjmp dispatcher.
(lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
is __builtin_setjmp and set calls_builtin_setjmp to true as well.
<MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
on the rhs of the assignment.
(lower_builtin_setjmp): New function.
* tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
* tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
to detect calls that can go to non-local labels. Use specific
helper to create the abnormal edges associated with them.
<MODIFY_EXPR>: Likewise.
(make_abnormal_goto_edges): New function extracted from...
(make_goto_expr_edges): ...here. Call it for computed gotos.
(simple_goto_p): Minor tweak.
(tree_can_make_abnormal_goto): New predicate.
(tree_redirect_edge_and_branch): Return zero on all abnormal edges.
(tree_purge_dead_abnormal_call_edges): New function.
* tree-flow.h (tree_can_make_abnormal_goto): Declare.
(tree_purge_dead_abnormal_call_edges): Likewise.
(make_abnormal_goto_edges): Likewise.
* tree-inline.c (expand_call_inline): Simplify statement frobbing.
Purge all dead abnormal edges if the call was in the last statement.
* tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
(execute_fixup_cfg): If there are non-local labels in the function,
scan the basic blocks and split them at calls that can go to non-local
labels or add missing abnormal call edges. Write down the CFG in the
dump file.
(pass_fixup_cfg): Remove TODO_dump_func flag.
* unwind-sjlj.c: Poison setjmp.
* doc/install.texi (enable-sjlj-exceptions): Use more general wording.
* doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
(TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
(DONT_USE_BUILTIN_SETJMP): Document it.
From-SVN: r117298
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label_expr in simplify_using_initial_conditions, at tree-ssa-loop-niter.c)
PR tree-optimization/28888
* tree-if-conv.c (combine_blocks): Rewritten.
* tree-cfg.c (tree_verify_flow_info): Check that edges with
EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
* gcc.dg/pr28888.c: New test.
From-SVN: r117135
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From-SVN: r115921
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PR gcov/profile/28480
* tree-cfg.c (change_bb_for_stmt): New function.
(tree_merge_blocks, tree_split_blocks): Use it.
From-SVN: r115873
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time/space)
PR rtl-optimization/28071
* tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
* tree-iterator.c (tsi_split_statement_list_before): Do not crash when
splitting before first stmt.
From-SVN: r115713
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* cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
comment typos.
From-SVN: r115098
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types)
2006-06-19 Daniel Berlin <dberlin@dberlin.org>
Fix PR tree-optimization/27341
* tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
statement we get.
* tree-complex.c (pass_lower_complex): Update SMT usage.
From-SVN: r114771
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