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Author SHA1 Message Date
Andreas Tobler
582fd9ced4 passes.c (verify_curr_properties): Define only for ENABLE_CHECKING. 
2006-12-16  Andreas Tobler  <a.tobler@schweiz.org>

	* passes.c (verify_curr_properties): Define only for ENABLE_CHECKING.

From-SVN: r119971
 2006-12-16 23:49:05 +01:00
Jan Hubicka
a5093353f1 omp-low.c (expand_omp_parallel): Set function properties. 
* omp-low.c (expand_omp_parallel): Set function properties.
	* function.h (struct function): Add curr_properties and last_verified.
	* passes.c (register_dump_files): Do not set TODO_set_props for the
	first pass
	(init_optimization_passes): Set it here; reorder initialization so the
	dump files appear in more logical order.
	(last_verified, curr_properties): Kill.
	(do_per_function): New function.
	(execute_function_todo): Break out from ...
	(execute_todo): ... here; handle per-function flags.
	(clear_last_verified, verify_curr_properties,
	update_properties_after_pass): New functions.
	(execute_one_pass): Handle per-function properties.
	(execute_ipa_pass_list): Use do_per_function; sanity check that cfun
	and current_function_decls are cleared out.
	* ipa-cp.c (constant_val_insert): Clear cfun/current_function_decl
	after use.

From-SVN: r119966
 2006-12-16 18:10:08 +00:00
Diego Novillo
cfaab3a924 tree-ssa-operands.h (create_ssa_artificial_load_stmt): Rename from 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
 2006-12-11 15:15:53 -05:00
Jan Hubicka
8a4a83ed92 Move all varpool routines out of cgraph/cgraphunit to varpool.c 
Move all varpool routines out of cgraph/cgraphunit to varpool.c
	* cgraph.c: Update comments.
	(cgraph_varpool_hash,
	cgraph_varpool_nodes, cgraph_varpool_last_needed_node
	cgraph_varpool_node_name, cgraph_varpool_node,
	cgraph_varpol_mode_for_asm, cgraph_varpool_mark_needed_node,
	cgraph_variable_initializer_availability): Move to
	varpool.c and drop cgraph_ prefixes.
	(cgraph_varpool_enqueue_needed_node, cgraph_varpool_reset_queue,
	cgraph_varpool_first_unanalyzed_node, cgraph_varpool_finalize_decl):
	move to varpool.c; drop cgraph_ prefix; make static.
	(dump_cgraph_varpool_node): Move to varpool.c under name
	dump_varpool_node.
	(dump_varpool, hash_varpool_node, eq_varpool_node,
	decide_is_variable_needed): Move to varpool.c
	(decl_assembler_name_equal): Move to tree.c.
	(availability_names): Rename to ...
	(cgraph_availability_names): ... this one.
	(dump_cgraph_node): Update.
	* cgraph.h: Reorder declarations now in varpool.c
	(cgraph_vailablity_names): Declare.
	(struct cgraph_varpool_node): Rename to ...
	(struct varpool_node): ... this one.
	(cgraph_varpool_first_unanalyzed_node, cgraph_varpool_nodes_queue,
	cgraph_varpool_first_unanalyzed_node, cgraph_varpool_node,
	cgraph_varpool_node_for_asm, cgraph_varpool_mark_needed_node,
	cgraph_varpool_finalize_decl, cgraph_varpool_enqueue_needed_node,
	cgraph_varpool_reset_queue, cgraph_varpool_assemble_pending_decls,
	cgraph_variable_initializer_availability): Rename to ...
	(varpool_first_unanalyzed_node, varpool_nodes_queue,
	varpool_first_unanalyzed_node, varpool_node,
	varpool_node_for_asm, varpool_mark_needed_node,
	varpool_finalize_decl, varpool_enqueue_needed_node,
	varpool_assemble_pending_decls, variable_initializer_availability):
	Rename to ...
	* tree.c (decl_assembler_name_equal): Move here from cgraph.c.
	* tree.h (decl_assembler_name_equal): Declare.
	* omp-low.c (lower_omp_critical): Update.
	* ipa-reference (analyze_variable, static_execute): Likewise.
	* toplev.c (wrapup_global_declaration_2, compile_file): Update.
	* cgraphunit.c: Update comments.
	(cgraph_varpool_assembled_nodes_queue): Move to varpool.c under name
	varpool_assembled_nodes_queue.
	(cgraph_varpool_analyze_pending_decls): Move to varpool.c under name
	varpool_analyze_pending_decls.
	(cgraph_varpool_remove_unreferenced_decls): Move to varpool.c under name
	varpool_remove_unreferenced_decls.
	(record_reference): Update.
	(cgraph_create_edges): Update.
	(record_referneces_in_initializer): New function.
	(cgraph_varpool_assemble_decl): Move to varpool.c under name
	varpool_assemble_decl; make global.
	(cgraph_varpool_assemble_pending_decls): Move to varpool.c under name
	varpool_assemble_pending_decls.
	(process_function_and_variable_attributes, cgraph_finalize_compilation_unit,
	struct cgraph_order_sort, cgraph_output_in_order,
	cgraph_function_and_variable_invisibility, cgraph_optimize,
	cgraph_increase_alignment): Update.
	* dwarf2out.c (decls_for_scope): Likewise.
	* ipa-type-escape.c (analyze_variable, type_escape_execute): Likewise.
	* except.c (output_ttype): Likewise.
	* varasm.c (mark_decl_referenced): Likewise.
	(find_decl_and_mark_referenced, assemble_alias): update.
	* Makefile.in: Add varpool.c, gt-varpool.c and remove gt-cgraphunit.c
	* passes.c (rest_of_decl_compilation): Update.

	* cp/decl2.c (var_finalized_p): Update for renamed varpool functions.
	* fortran/f59-lang.c (gfc_expand_function): Update for renamed varpool functions.

From-SVN: r119731
 2006-12-11 08:07:52 +00:00
Daniel Berlin
ae07b4632c tree-vrp.c (pass_vrp): Remove PROP_smt_usage. 
2006-12-05  Daniel Berlin  <dberlin@dberlin.org>

	* tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
	* tree-complex.c (pass_lower_complex): Ditto.
	* tree-ssa-ccp.c (pass_ccp): Ditto.
	(pass_store_ccp): Ditto.
	* tree-ssa-dom.c (pass_dominator): Ditto.
	(pass_phi_only_cprop): Ditto.
	* tree-sra.c (pass_sra): Ditto.
	* tree-ssa-forwprop.c (pass_forwprop): Ditto.
	* tree-flow.h (updating_used_alone): Remove.
	(updating_used_alone): Ditto.
	* tree-ssa-alias.c (updating_used_alone): Remove variable.
	(lhs_may_store_to): Remove function.
	(recalculate_used_alone): Ditto.
	(compute_may_aliases): Remove used_alone calculation.
	* tree.h (struct tree_memory_tag): Remove is_used_alone and
	old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
	* tree-pass.h (PROP_smt_usage): Remove.
	* passes.c (execute_todo): Remove used alone recalculation.
	(execute_one_pass): Ditto.
	* tree-ssa-operands.c (add_virtual_operand): Remove used_alone
	stuff.

From-SVN: r119550
 2006-12-05 18:39:13 +00:00
Jan Hubicka
6039a0c74a tree-pass.h (pass_purge_lineno_notes): Remove declaration. 
* tree-pass.h (pass_purge_lineno_notes): Remove declaration.
	* modulo-sched.c (find_line_note): Remove.
	(loop_canon_p): Do not worry about line number notes.
	(sms_schedule): Likewise.
	* cse.c (cse_main): Likewise.
	* regmove.c (fixup_match_1): Likewise
	* function.c (emit_return_info_block): Likewise.
	(expand_function_end): Likewise.
	(thread_prologue_an_epilogue_insns): Likewise.
	* cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
	Likewise.
	* emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
	emit_note_copy_after): Kill.
	(emit_note_copy): Do not worry about line numbers.
	* jump.c (purge_line_number_notes): Kill.
	(pass_purge_lineno_notes): Kill.
	* cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
	call.
	* rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
	* passes.c (init_optimization_passes): Don't purge_lineno_notes.
	* sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
	* tree-pass.h (pass_purge_lineno_notes): Kill.
	* sched-ebb.c (schedule_ebb): Don't rm_line_notes,
	rm_redundant_line_notes.
	* sched-rgb.c (schedule_region): Don't rm_line_notes,
	rm_redundant_line_notes.
	* sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
	* haifa-sched.c: Update comment about handling notes.
 	(unlink_line_notes): Kill.
	(rm_line_notes): Kill.
	(save_line_notes): Simplify.
	(rm_redundant_line_notes): Kill.

From-SVN: r118693
 2006-11-11 15:50:16 +00:00
Paolo Bonzini
a52b023a5f fwprop.c: New file. 
2006-11-03  Paolo Bonzini  <bonzini@gnu.org>
            Steven Bosscher  <stevenb.gcc@gmail.com>

        * fwprop.c: New file.
        * Makefile.in: Add fwprop.o.
        * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
        * passes.c (init_optimization_passes): Schedule forward propagation.
        * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
        parameter.
        * timevar.def (TV_FWPROP): New.
        * common.opt (-fforward-propagate): New.
        * opts.c (decode_options): Enable forward propagation at -O2.
        * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
        * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
        canon_for_address, table_size): Remove.
        (new_basic_block, insert, remove_from_table): Remove references to
        table_size.
        (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
        simplification loop more straightforward by not calling fold_rtx
        recursively.
        (equiv_constant): Move here a small part of fold_rtx_subreg,
        do not call fold_rtx.  Call avoid_constant_pool_reference
        to process MEMs.
        * recog.c (canonicalize_change_group): New.
        * recog.h (canonicalize_change_group): New.

        * doc/invoke.texi (Optimization Options): Document fwprop.
        * doc/passes.texi (RTL passes): Document fwprop.


Co-Authored-By: Steven Bosscher <stevenb.gcc@gmail.com>

From-SVN: r118475
 2006-11-04 08:36:45 +00:00
Andrew Pinski
c7f965b614 re PR tree-optimization/28937 (ICE in add_virtual_operand, at tree-ssa-operands.c:1309) 
2006-09-05  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/28937
        * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
        (canonicalize_induction_variables): Likewise.
        (tree_unroll_loops_completely): Likewise.
        (tree_ssa_prefetch_arrays): Likewise.
        (remove_empty_loops): Likewise.
        * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
        TODO_cleanup_cfg instead of directly calling
        cleanup_tree_cfg_loop.
        * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
        Likewise.
        (tree_unroll_loops_completely): Likewise.
        (remove_empty_loops): Likewise.
        * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
        * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
        of tree_ssa_unswitch_loops.
        (tree_ssa_loop_ivcanon): Use the return value of
        canonicalize_induction_variables.
        (tree_ssa_empty_loop): Use the return value of
        remove_empty_loops.
        (tree_complete_unroll): Use the return value of
        tree_unroll_loops_completely.
        (tree_ssa_loop_prefetch): Use the return value of
        tree_ssa_prefetch_arrays.
        * passes.c (execute_todo): Before Cleanup CFG, set
        updating_used_alone and after cleanup CFG, call
        recalculate_used_alone.
2006-09-05  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/28937
        * g++.dg/opt/unroll2.C: New test.

From-SVN: r116717
 2006-09-05 23:13:22 -07:00
Razya Ladelsky
8cd37d0b6c [multiple changes] 
2006-05-04  Leehod Baruch  <leehod@il.ibm.com>

        * see.c: New file.
        * Makefile.in (OBJS-common): Add see.o.
        (see.o): Add dependencies.
        * common.opt (fsee): New flag for the see optimization was added.
        * opts.c (flag_see): Initialized.
        * passes.c (init_optimization_passes, pass_see): New pass.
        * rtl.h (see_main): Declaration as extern.
        * timevar.def (TV_SEE): New.
        * tree-pass.h (pass_see): Declaration as extern.
        * invoke.texi (-fsee): Document.
        * recog.c (validate_simplify_insn): New function.
        * recog.h (validate_simplify_insn): Declaration as extern.
        * df-problems.c (df_chain_dump): Check for NULL.

2006-05-04  Kenneth Zadeck <zadeck@naturalbridge.com>
            Daniel Berlin  <dberlin@dberlin.org>

        * cfgrtl.c (insert_insn_bb_end_new): New function.
        * basic-block.h (insert_insn_bb_end_new): Declaration as extern.

2006-05-04  Leehod Baruch  <leehod.baruch@weizmann.ac.il>

        * df.h (struct web_entry): Moved from web.c.
        (union_defs): Declaration as extern.
        (unionfind_root): Likewise.
        (unionfind_union): Likewise.
        * web.c (struct web_entry): Moved to df.h.
        (unionfind_root): Remove static declaration.
        (unionfind_union): Likewise.
        (union_defs): Likewise and generalize to use callback function.
        (web_main): Update arguments for union_defs function call.

From-SVN: r113518
 2006-05-04 09:19:02 +00:00
Daniel Berlin
fe1f8f442e re PR tree-optimization/26804 (Alias Time explosion) 
2006-03-25  Daniel Berlin  <dberlin@dberlin.org>

	PR tree-optimization/26804
	* tree.h (DECL_CALL_CLOBBERED): New macro.
	(tree_decl_common): Add call_clobbered_flag.
	* tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
	(mark_call_clobbered): Set DECL_CALL_CLOBBERED.
	(clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
	(mark_non_addressable): Ditto.
	* tree-ssa.c (verify_call_clobbered): New function.
	(verify_alias_info): Use it.
	* tree-pass.h (pass_reset_cc_flags): New prototype.
	* tree-ssa-alias.c (pass_reset_cc_flags): New structure.
	(reset_cc_flags): New function.
	* passes.c (init_optimization_passes): Call reset_cc_flags after
	initializing referenced_vars.

From-SVN: r112380
 2006-03-25 19:17:26 +00:00
Jeff Law
e67c25c738 tree-pass.h (pass_phi_only_copy_prop): Delete. 
* tree-pass.h (pass_phi_only_copy_prop): Delete.
	(pass_phi_only_cprop): Declare.
	* passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
	with phi_only_cprop
	* tree-ssa-dom.c (degenerate_phi_result): New function.
	(remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
	(get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
	(eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
	(eliminate_degenerate_phis): Likewise.
	(pass_phi_only_cprop): New pass descriptor.
	* tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
	support code.  Callers updated.
	(execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
	(store_copy_prop): Likewise.
	(do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.

	* gcc.dg/tree-ssa/pr21829.c: New test.

From-SVN: r112242
 2006-03-20 22:07:37 -07:00
Steven Bosscher
ede497cfbd function.h (struct function): Rename to x_stack_check_probe_note. 
* function.h (struct function) <x_tail_recursion_reentry>:
	Rename to x_stack_check_probe_note.
	(tail_recursion_reentry): Rename to stack_check_probe_note.
	* function.c: Replace tail_recursion_reentry with
	stack_check_probe_note everywhere.
	(expand_function_start): Only emit a note for
	stack_check_probe_note with -fstack-protect.
	* stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.

	* emit-rtl.c (remove_unnecessary_notes): Remove.
	(pass_remove_unnecessary_notes): Remove.
	* rtl.h (remove_unnecessary_notes): Remove prototype.
	* final.c (final_start_function): Don't call remove_unnecessary_notes.
	* tree-pass.h (pass_remove_unnecessary_notes): Remove.
	* passes.c (pass_remove_unnecessary_notes): Don't run it.

From-SVN: r112229
 2006-03-20 21:22:55 +00:00
Steven Bosscher
1cba0d4e32 tree-pass.h (pass_cfg): Remove. 
* tree-pass.h (pass_cfg): Remove.
	* alias.c (rest_of_handle_cfg, pass_cfg): Remove.
	* passes.c (pass_cfg): Don't run it.

From-SVN: r112069
 2006-03-14 21:04:56 +00:00
Steven Bosscher
3d47ea88f3 predict.c (estimate_probability): Remove. 
* predict.c (estimate_probability): Remove.
        * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
        * basic-block.h (estimate_probability): Remove prototype.
        * passes.c (finish_optimization_passes): Dump branch prediction or
        profiling heuristics to the .profile tree dump.
        (init_optimization_passes): Unqueue pass_branch_prob.

        * doc/invoke.texi (-fdump-rtl-bp): Remove.

From-SVN: r111980
 2006-03-12 22:58:22 +00:00
Kazu Hirata
c0220ea4c5 builtins.c, [...]: Fix comment typos. 
* builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
	combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
	config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
	config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
	df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
	loop-invariant.c, omp-low.c, opts.c, passes.c,
	rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
	tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
	tree-ssa-structalias.c, tree-ssa-threadedge.c,
	tree-ssa-threadupdate.c, tree-vect-patterns.c,
	tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
	unwind-dw2.c: Fix comment typos.  Follow spelling conventions.

From-SVN: r111721
 2006-03-04 23:05:24 +00:00
Daniel Berlin
c2924966db tree-vrp.c (execute_vrp): Return value. 
2006-03-02  Daniel Berlin <dberlin@dberlin.org>

	* gcc/tree-vrp.c (execute_vrp): Return value.
	* gcc/regrename.c (rest_of_handle_regrename): Ditto.
	* gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
	* gcc/tree-complex.c (tree_lower_complex): Ditto.
	(tree_lower_complex_O0): Ditto.
	* gcc/tracer.c (rest_of_handle_tracer): Ditto.
	* gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
	* gcc/postreload.c (rest_of_handle_postreload): Ditto.
	* gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
	(execute_tail_calls): Ditto.
	* gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
	* gcc/tree.h (init_function_for_compilation): Ditto.
	* gcc/ipa-cp.c (ipcp_driver): Ditto.
	* gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
	* gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
	* gcc/final.c (compute_alignments): Ditto.
	(rest_of_handle_final): Ditto.
	(rest_of_handle_shorten_branches): Ditto.
	(rest_of_clean_state): Ditto.
	* gcc/omp-low.c (execute_expand_omp): Ditto.
	(execute_lower_omp): Ditto.
	* gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
	* gcc/ipa-reference.c (static_execute): Ditto.
	* gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
	* gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
	(rest_of_handle_machine_reorg): Ditto.
	* gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
	* gcc/flow.c (recompute_reg_usage): Ditto.
	(rest_of_handle_remove_death_notes): Ditto.
	(rest_of_handle_life): Ditto.
	(rest_of_handle_flow2): Ditto.
	* gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
	* gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
	(do_ssa_store_ccp): Ditto.
	(execute_fold_all_builtins): Ditto.
	* gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
	* gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
	* gcc/ipa-pure-const.c (static_execute): Ditto.
	* gcc/cse.c (rest_of_handle_cse): Ditto.
	(rest_of_handle_cse2): Ditto.
	* gcc/web.c (rest_of_handle_web): Ditto.
	* gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
	* gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
	* gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
	* gcc/tree-nrv.c (tree_nrv): Ditto.
	(execute_return_slot_opt): Ditto.
	* gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
	(create_structure_vars): Ditto.
	* gcc/loop-init.c (rtl_loop_init): Ditto.
	(rtl_loop_done): Ditto.
	(rtl_move_loop_invariants): Ditto.
	(rtl_unswitch): Ditto.
	(rtl_unroll_and_peel_loops): Ditto.
	(rtl_doloop): Ditto.
	* gcc/gimple-low.c (lower_function_body): Ditto.
	(mark_used_blocks): Ditto.
	* gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
	* gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
	(cgraph_early_inlining): Ditto.
	* gcc/global.c (rest_of_handle_global_alloc): Ditto.
	* gcc/jump.c (cleanup_barriers): Ditto.
	(purge_line_number_notes): Ditto.
	* gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
	(rest_of_handle_if_after_reload): Ditto.
	* gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
	(tree_ssa_loop_im): Ditto.
	(tree_ssa_loop_unswitch): Ditto.
	(tree_vectorize): Ditto.
	(tree_linear_transform): Ditto.
	(tree_ssa_loop_ivcanon): Ditto.
	(tree_ssa_empty_loop): Ditto.
	(tree_ssa_loop_bounds): Ditto.
	(tree_complete_unroll): Ditto.
	(tree_ssa_loop_prefetch): Ditto.
	(tree_ssa_loop_ivopts): Ditto.
	(tree_ssa_loop_done): Ditto.
	* gcc/predict.c (tree_estimate_probability): Ditto.
	* gcc/recog.c (split_all_insns_noflow): Ditto.
	(rest_of_handle_peephole2): Ditto.
	(rest_of_handle_split_all_insns): Ditto.
	* gcc/tree-eh.c (lower_eh_constructs): Ditto.
	* gcc/regmove.c (rest_of_handle_regmove): Ditto.
	(rest_of_handle_stack_adjustments): Ditto.
	* gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
	* gcc/function.c (instantiate_virtual_regs): Ditto.
	(init_function_for_compilation): Ditto.
	(rest_of_handle_check_leaf_regs): Ditto.
	* gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
	(rest_of_handle_gcse): Ditto.
	* gcc/ipa-type-escape.c (type_escape_execute): Ditto.
	* gcc/alias.c (rest_of_handle_cfg): Ditto.
	* gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
	* gcc/profile.c (rest_of_handle_branch_prob): Ditto.
	* gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
	* gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
	* gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
	* gcc/tree-dfa.c (find_referenced_vars): Ditto.
	* gcc/except.c (set_nothrow_function_flags): Ditto.
	(convert_to_eh_region_ranges): Ditto.
	(rest_of_handle_eh): Ditto.
	* gcc/emit-rtl.c (unshare_all_rtl): Ditto.
	(remove_unnecessary_notes): Ditto.
	* gcc/except.h (set_nothrow_function_flags): Ditto.
	(convert_to_eh_region_ranges): Ditto.
	* gcc/cfgexpand.c (tree_expand_cfg): Ditto.
	* gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
	* gcc/tree-ssa-pre.c (do_pre): Ditto.
	(execute_fre): Ditto.
	* gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
	(rest_of_handle_jump2): Ditto.
	* gcc/tree-sra.c (tree_sra): Ditto.
	* gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
	(execute_mudflap_function_decls): Ditto.
	* gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
	(do_store_copy_prop): Ditto.
	* gcc/ipa-prop.h (ipcp_driver): Ditto.
	* gcc/cfglayout.c (insn_locators_initialize): Ditto.
	* gcc/tree-ssa-forwprop.c
	(tree_ssa_forward_propagate_single_use_vars): Ditto.
	* gcc/cfglayout.h (insn_locators_initialize): Ditto.
	* gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
	* gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
	(execute_late_warn_uninitialized): Ditto.
	* gcc/rtl.h (cleanup_barriers): Ditto.
	(split_all_insns_noflow): Ditto.
	(purge_line_number_notes): Ditto.
	(unshare_all_rtl): Ditto.
	(remove_unnecessary_notes): Ditto.
	(recompute_reg_usage): Ditto.
	(variable_tracking_main): Ditto.
	* gcc/integrate.c (emit_initial_value_sets): Ditto.
	* gcc/integrate.h (emit_initial_value_sets): Ditto.
	* gcc/tree-optimize.c (execute_free_datastructures): Ditto
	(execute_free_cfg_annotations): Ditto.
	(execute_fixup_cfg): Ditto.
	(execute_cleanup_cfg_pre_ipa): Ditto.
	(execute_cleanup_cfg_post_optimizing): Ditto.
	(execute_init_datastructures): Ditto.
	* gcc/tree-object-size.c (compute_object_sizes): Ditto.
	* gcc/combine.c (rest_of_handle_combine): Ditto.
	* gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
	* gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
	(rest_of_handle_reorder_blocks): Ditto.
	(rest_of_handle_partition_blocks): Ditto.
	* gcc/var-tracking.c (variable_tracking_main): Ditto.
	* gcc/tree-profile.c (tree_profiling): Ditto.
	* gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
	* gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
	* gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
	(rest_of_handle_sched2): Ditto.
	* gcc/basic-block.h (free_bb_insn): Ditto.
	* gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
	* gcc/tree-cfg.c (execute_build_cfg): Ditto.
	(remove_useless_stmts): Ditto.
	(split_critical_edges): Ditto.
	(execute_warn_function_return): Ditto.
	(execute_warn_function_noreturn): Ditto.
	* gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
	* gcc/cfgrtl.c (free_bb_for_insn): Ditto.
	* gcc/passes.c (execute_one_pass): Run additional
	todos returned by execute function.
	* gcc/tree-pass.h (struct tree_opt_pass): Make execute
	return a value.

From-SVN: r111643
 2006-03-02 19:00:11 +00:00
Diego Novillo
18cd8a03f8 tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG. 
* tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
	Update all users.
	* tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
	Update all users.
	(TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
	Update all users.
	* tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
	Update all users.
	* tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
	to 'symbol_mem_tag'.
	Update all users.
	* doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
	rename.

From-SVN: r111617
 2006-03-01 17:35:42 -05:00
Steven Bosscher
37818e7cec common.opt (-floop-optimize, [...]): Remove. 
gcc/
	* common.opt (-floop-optimize, -frerun-loop-opt): Remove.
	* tree-pass.h (pass_loop_optimize): Remove.
	* passes.c (pass_loop_optimize): Never run it.
	* toplev.c (backend_init): Don't call init_loop.
	* opts.c (flag_loop_optimize_set): Remove.
	(decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
	(common_handle_option) <OPT_floop_optimize>: Remove.  Don't disable
	the old RTL loop optimizer when profiling enabled.
	* predict.c (tree_estimate_probability): Always strip builtin_expect.
	* cfgcleanup.c (try_forward_edges): Don't avoid killing loop
	pre-headers for the sake of the old RTL loop optimizer.
	* Makefile.in: Remove all references to loop.o.

	* doc/invoke.texi: Remove all references to -floop-optimize
	and -frerun-loop-opt.

testsuite/
	* gcc.dg/20031201-1.c: Don't use -frerun-loop-opt.
	* g++.old-deja/g++.robertl/eb132.C: Likewise.

From-SVN: r111459
 2006-02-26 20:23:40 +00:00
Daniel Berlin
a6c550f985 tree.h (struct tree_memory_tag): Add is_used_alone member. 
2006-02-20  Daniel Berlin  <dberlin@dberlin.org>

	* tree.h (struct tree_memory_tag): Add is_used_alone member.
	(TMT_USED_ALONE): New macro.
	* tree-pass.h (PROP_tmt_usage): New property.
	(TODO_update_tmt_usage): New todo.
	* tree-ssa-alias.c (updating_used_alone): New variable.
	(recalculate_used_alone): New function.	  
	(compute_may_aliases): Set updating_used_alone, call
	recalculate_used_alone. 
	* tree-sra.c (pass_sra): Note that this pass destroys
	PROP_tmt_usage, and add TODO_update_tmt_usage.
	* tree-ssa-forwprop.c (pass_forwprop): Ditto.
	* tree-flow.h (updating_used_alone): Prototype.
	(recalculate_used_alone): Ditto.
	* passes.c (execute_todo): Add code to set updating_used_alone,
	and call recalculate.
	* tree-ssa-operands.c (add_virtual_operand): Only append bare def
	for clobber if used alone, and add assert to verify used_alone
	status.

From-SVN: r111300
 2006-02-20 13:38:01 +00:00
Daniel Berlin
4cf4d6a323 invoke.texi: Document -fipa-pta. 
2006-02-19  Daniel Berlin  <dberlin@dberlin.org>

	* doc/invoke.texi: Document -fipa-pta.
	* common.opt: Add ipa-pta option.
	* tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
	(do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
	(do_ds_constraint): Ditto.
	(get_constraint_for): Only add to referenced_vars if
	referenced_vars exists.
	(insert_into_field_list): Rewrite to do this unsorted.
	(insert_into_field_list_sorted): Rename old insert_into_field_list
	to this.
	(create_function_info_for): Use insert_into_field_list_sorted.
	(create_variable_info_for): Rewrite so it uses unsorted version,
	since the field list is sorted.
	(intra_create_variable_infos): Only add to referenced_vars if
	referenced_vars exists.
	(ipa_pta_execute): Init heapvars, and delete when done.
	* passes.c (init_optimization_passes): Add call to pass_ipa_pta.

From-SVN: r111273
 2006-02-19 18:26:00 +00:00
Paolo Bonzini
5b4fdb2060 cfg.c (dump_flow_info): Get dump flags as an additional parameter. 
2006-02-15  Paolo Bonzini  <bonzini@gnu.org>

	* cfg.c (dump_flow_info): Get dump flags as an additional parameter.
	(debug_flow_info): Pass it.
	* alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
	* bb-reorder.c (reorder_basic_blocks): Likewise.
	* cfgcleanup.c (rest_of_handle_jump2): Likewise.
	* cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
	* flow.c (life_analysis, recompute_reg_usage): Likewise.
	* gcse.c (gcse_main, bypass_jumps): Likewise.
	* ifcvt.c (rest_of_handle_if_conversion): Likewise.
	* local-alloc.c (rest_of_handle_local_alloc): Likewise.
	* loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
	* profile.c (compute_branch_probabilities, branch_prob): Likewise.
	* rtl.h (dump_flow_info): Adjust prototype.
	* tracer.c (rest_of_handle_tracer, tracer): Likewise.
	* var-tracking.c (variable_tracking_main): Likewise.
	* passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
	* tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
	options.

From-SVN: r111020
 2006-02-15 09:15:56 +00:00
Zdenek Dvorak
1768461812 invoke.texi (-fprefetch-loop-arrays, [...]): Document. 
* doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
	Document.
	* tree-ssa-loop-niter.c (number_of_iterations_ne,
	number_of_iterations_lt, number_of_iterations_cond): Remember the shape
	of the ending condition.
	* tree-ssa-loop-manip.c: Include params.h.
	(build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
	tree_unroll_loop): New functions.
	* tree-pass.h (pass_loop_prefetch): Declare.
	* loop.c (rest_of_handle_loop_optimize): Test for
	-fprefetch-loop-arrays-rtl.
	* tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
	* timevar.def (TV_TREE_PREFETCH): New timevar.
	* tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
	pass_loop_prefetch): New.
	* tree-cfgcleanup.c: Include tree-scalar-evolution.h.
	(cleanup_tree_cfg_loop): Call scev_reset.
	* common.opt (fprefetch-loop-arrays-rtl): Add.
	* tree-ssa-loop-prefetch.c: New file.
	* tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
	(new_temp_expr_table): Initialize expr_vars.
	(free_temp_expr_table): Cleanup expr_vars.
	(check_replaceable, find_replaceable_in_bb): Prevent accumulating
	expressions from being merged into one.
	* tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
	(struct tree_niter_desc): Add control, bound and cmp fields.
	(tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
	Declare.
	* Makefile.in (tree-ssa-loop-prefetch.o): Add.
	(tree-cfgcleanup.o): Add SCEV_H dependency.
	(tree-ssa-loop-manip.o): Add PARAMS_H dependency.
	* passes.c (init_optimization_passes): Add pass_loop_prefetch.

From-SVN: r110964
 2006-02-14 12:22:11 +00:00
Paolo Bonzini
bbbe4e7bf7 passes.c (register_one_dump_file): Accept the current properties instead of pass number. 
2006-02-08  Paolo Bonzini  <bonzini@gnu.org>

	* passes.c (register_one_dump_file): Accept the current properties
	instead of pass number.  Adjust call to dump_register.  Remove
	duplicated code.
	(register_dump_files): Now a wrapper around...
	(register_dump_files_1): ... this one.  Do not modify the pass
	structure.
	(next_pass_1): Cosmetic fix.
	(execute_todo): Keep second parameter only.  Use curr_properties instead
	of fetching it from the pass structure.  Check and set last_verified.
	(execute_one_pass): Handle TODO_set_props.  Use curr_properties
	instead of fetching it from the pass structure.  Fix calls to
	execute_todo.  Update curr_properties and initialize .vcg RTL dump
	after running the pass.  Reset last_verified.
	* tree-dump.c (dump_files): Renumber consecutively.  Put .cgraph dump
	at the beginning.
	(FIRST_AUTO_NUMBERED_DUMP): New.
	(dump_register): Remove "num" parameter, assign it within the
	function.
	(get_dump_file_name): Modify template for dumps.
	* tree-dump.h (dump_register): Adjust prototype.
	* tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
	(PROP_trees): Add PROP_gimple_lomp.
	(TODO_set_props): New.
        * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
        * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
        * cfgexpand.c (pass_expand): Destroy PROP_trees.

gcc/testsuite:
2006-02-08  Paolo Bonzini  <bonzini@gnu.org>

	* lib/gcc-dg.exp (cleanup-rtl-dump, cleanup-tree-dump,
	cleanup-ipa-dump): Update dump file glob patterns.
	* lib/scantree.exp (scan-tree-dump, scan-tree-dump-times,
	scan-tree-dump-not, scan-tree-dump-dem): Likewise.
	* lib/scanipa.exp (scan-ipa-dump, scan-ipa-dump-times,
	scan-ipa-dump-not, scan-ipa-dump-dem): Likewise.

	* lib/scanrtl.exp: New.
	* lib/gcc-dg.exp: Load it.
	* objc.dg/stubify-2.m: Use scan-rtl-dump-not.

From-SVN: r110742
 2006-02-08 08:13:20 +00:00
Jeff Law
2090d6a0a8 tree-vrp.c (find_conditional_asserts): Update comments. 
2006-02-07  Jeff Law  <law@redhat.com>

	* tree-vrp.c (find_conditional_asserts): Update comments.
	(simplify_stmt_for_jump_threading): New.
	(identify_jump_threads, finalize_jump_threads): New.
	(vrp_finalize): Call identify_jump_threads.
	(execute_vrp): Call finalize_jump_threads.
	* tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
	(vrp_element, vrp_data, vrp_element_p): Remove.
	(vrp_hash_elt, vrp_variables_stack): Remove.
	(vrp_hash, vrp_eq, record_range): Remove.
	(simplify_cond_and_lookup_avail_expr): Remove.
	(extract_range_from_cond): Remove.
	(thread_across_edge): Relocated into tree-ssa-threadedge.c.
	(simplify_stmt_for_jump_threading): New.
	(dom_thread_across_edge): New wrapper.
	(tree_ssa_dominator_optimize): No longer initialize or
	finalize any of the VRP datastructures.  Remove iteration
	step and simplify as a result of removal of iteration step.
	(pass_dominator): Perform a cfg cleanup after DOM.
	(dom_opt_finalize_block): Use the new common routines
	for threading jumps.  Simplify stack management slightly.
	No longer need to unwind VRP state.
	(record_equivalences_from_incoming_edge): No longer record
	VRP information.
	(eliminate_redundant_computations): No longer call
	simplify_cond_and_lookup_avail_expr.
	* tree-flow.h (potentially_threadable_block): Prototype.
	(thread_across_edge): Likewise.
	* Makefile.in (OBJS-common):  Add tree-ssa-threadedge.o
	(tree-ssa-threadedge.o): Add dependencies.
	* tree-ssa-threadedge.c: New file.
	* passes.c (init_optimization_passes): Merge PHIs before
	calling VRP.  Run VRP again late in the SSA optimization pipeline.


	* gcc.dg/tree-ssa/vrp01.c: Update dumpfile names now that we have
	multiple VRP passes.
	* gcc.dg/tree-ssa/vrp09.c: Likewise.
	* gcc.dg/tree-ssa/vrp18.c: Likewise.
	* gcc.dg/tree-ssa/pr21582.c: Likewise.
	* gcc.dg/tree-ssa/pr20657.c: Likewise.
	* gcc.dg/tree-ssa/pr21001.c: Likewise.
	* gcc.dg/tree-ssa/vrp02.c: Likewise
	* gcc.dg/tree-ssa/vrp11.c: Likewise
	* gcc.dg/tree-ssa/pr14341.c: Likewise
	* gcc.dg/tree-ssa/vrp19.c: Likewise
	* gcc.dg/tree-ssa/vrp20.c: Likewise
	* gcc.dg/tree-ssa/vrp03.c: Likewise
	* gcc.dg/tree-ssa/pr21086.c: Likewise
	* gcc.dg/tree-ssa/pr21959.c: Likewise
	* gcc.dg/tree-ssa/vrp21.c: Likewise
	* gcc.dg/tree-ssa/vrp04.c: Likewise 
	* gcc.dg/tree-ssa/pr25485.c: Likewise
	* gcc.dg/tree-ssa/pr22026.c: Likewise
	* gcc.dg/tree-ssa/vrp22.c: Likewise
	* gcc.dg/tree-ssa/vrp05.c: Likewise
	* gcc.dg/tree-ssa/20030807-10.c: Likewise
	* gcc.dg/tree-ssa/pr20701.c: Likewise
	* gcc.dg/tree-ssa/vrp23.c: Likewise
	* gcc.dg/tree-ssa/vrp06.c: Likewise
	* gcc.dg/tree-ssa/pr22117.c: Likewise
	* gcc.dg/tree-ssa/pr20702.c: Likewise
	* gcc.dg/tree-ssa/vrp15.c: Likewise
	* gcc.dg/tree-ssa/pr21090.c: Likewise
	* gcc.dg/tree-ssa/pr21294.c: Likewise
	* gcc.dg/tree-ssa/vrp24.c: Likewise
	* gcc.dg/tree-ssa/vrp07.c: Likewise
	* gcc.dg/tree-ssa/pr21563.c: Likewise
	* gcc.dg/tree-ssa/pr25382.c: Likewise
	* gcc.dg/tree-ssa/vrp16.c: Likewise
	* gcc.dg/tree-ssa/vrp25.c: Likewise
	* gcc.dg/tree-ssa/vrp08.c: Likewise
	* gcc.dg/tree-ssa/20030807-6.c: Likewise
	* gcc.dg/tree-ssa/vrp17.c: Likewise
	* gcc.dg/tree-ssa/pr21458.c: Likewise
	* g++.dg/tree-ssa/pr18178.C: Likewise

From-SVN: r110705
 2006-02-07 11:31:27 -07:00
Paolo Bonzini
a68e7e6c66 Makefile.in (sched-vis.o): Update dependencies. 
2006-01-25  Paolo Bonzini  <bonzini@gnu.org>

	* Makefile.in (sched-vis.o): Update dependencies.
	* haifa-sched.c (sched_finish): Clear current_sched_info.
	* cfg.c (dump_bb_info): New, split from dump_flow_info.
	(dump_flow_info): Call it.
	* passes.c (execute_todo): Call print_rtl_slim_with_bb to make
	a slim RTL dump.
	* basic-block.h (dump_bb_info): Declare.
	* tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
	option, and apply options only for dump files whose TDF_RTL,
	TDF_TREE, or TDF_IPA bits match.
	* rtl.h: Declare new functions exported from sched-vis.c.
	* sched-vis.c: Enable also if scheduling is not used.
	(print_value): Print the mode of registers if not inside scheduling.
	(print_insn): Make it work outside the scheduler.  Beautify the output
	a bit.
	(dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.

From-SVN: r110217
 2006-01-25 17:39:37 +00:00
Diego Novillo
50674e968a tree-pretty-print.c (dump_generic_node): Handle OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR. 
* tree-pretty-print.c (dump_generic_node): Handle
	OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
	* cgraph.c (cgraph_expand_queue): Rename from
	cgraph_analyze_queue.
	Update all users.
	* cgraphunit.c (cgraph_assemble_pending_functions): Process
	cgraph_expand_queue.
	(cgraph_expand_all_functions): Likewise.
	(cgraph_finalize_pending_functions): Remove.  Update callers.

	* tree.h (OMP_DIRECTIVE_P): Define.
	(OMP_PARALLEL_FN): Define.
	(OMP_PARALLEL_DATA_ARG): Define.
	(OMP_SECTIONS_SECTIONS): Define.
	* tree-pass.h (pass_expand_omp): Declare.
	* omp-low.c (struct omp_region): Declare.
	(struct omp_context): Remove fields 'parallel_type',
	'parallel_start_ix' and 'parallel_start_additional_args'.
	Update all users.
	(struct omp_for_data): Rename from struct expand_omp_for_data.
	(omp_regions): New static variable.
	(root_omp_region): New static variable.
	(find_omp_clause): Make static.
	(is_in_combined_parallel_ctx): Remove.
	(is_combined_parallel): New.
	(extract_omp_for_data): Move earlier in the file.
	(workshare_safe_to_combine_p): New.
	(get_ws_args_for): New.
	(determine_parallel_type): Move earlier in the file.
	(omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
	child function.
	(omp_copy_decl): Likewise.
	(create_omp_child_function): Likewise.
	(lookup_omp_region): New.
	(dump_omp_region): New.
	(debug_omp_region): New.
	(debug_all_omp_regions): New.
	(new_omp_region): New.
	(scan_omp_parallel): If parallel_nesting_level > 1, the
	directive is nested within another parallel directive.
	Set OMP_PARALLEL_FN.
	(scan_omp_for): Do not try to handle combined parallel+for
	cases.
	Remove FIXME comment.
	(scan_omp_nested): Remove.
	(scan_omp_1): Do not call scan_omp_nested when
	parallel_nesting_level is > 1.
	Do not change the DECL_CONTEXT of local variables found.
	(lookup_decl_in_outer_ctx): New.
	(lower_rec_input_clauses): Rename from expand_rec_input_clauses.
	(lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
	(lower_reduction_clauses): Rename from expand_reduction_clauses.
	(lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
	If CTX is nested, lookup VAR in the outer context when
	building copy assignment.
	(lower_send_clauses): Rename from expand_send_clauses.
	If CTX is nested, lookup VAR in the outer context when
	building copy assignments.
	(lower_send_shared_vars): Rename from expand_send_shared_vars.
	If CTX is nested, lookup VAR in the outer context when
	building copy assignments.
	(expand_parallel_call): Rename from build_parallel_call.
	Handle combined parallel+workshare cases.
	Re-implement to emit code into the CFG.
	(list2chain): New.
	(expand_omp_parallel): Re-implement to emit code into the CFG.
	Call move_sese_region_to_fn to outline the sub-graph
	containing the parallel region.
	(expand_omp_for_1): Remove.
	(expand_omp_for_generic): Re-implement to emit code into the
	CFG.
	(expand_omp_for_static_nochunk): Likewise.
	(expand_omp_for_static_chunk): Likewise.
	(expand_omp_for): Likewise.
	(expand_omp_sections): Likewise.
	(remove_exit_barriers): New.
	(expand_omp_synch): New.
	(expand_omp): New.
	(build_omp_regions_1): New.
	(build_omp_regions): New.
	(execute_expand_omp): New.
	(gate_expand_omp): New.
	(pass_expand_omp): Define.
	(lower_omp_sections): Rename from expand_omp_sections.
	Set OMP_SECTIONS_SECTIONS.
	(lower_omp_single_simple): Rename from expand_omp_single_simple.
	(lower_omp_single_copy): Rename from expand_omp_single_copy.
	(lower_omp_single): Rename from expand_omp_simple.
	(lower_omp_master): Rename from expand_omp_master.
	(lower_omp_ordered): Rename from expand_omp_ordered.
	(lower_omp_critical): Rename from expand_omp_critical.
	(lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
	(lower_omp_for): Re-implement.
	(lower_omp_parallel): Re-implement.
	(lower_regimplify): Rename from expand_regimplify.
	(lower_omp_1): Rename from expand_omp_1.
	If there are syntax errors in the program, replace every
	OpenMP directive with NOP.
	Call lower_omp_* instead of expand_omp_*.
	(lower_omp): Rename from expand_omp.

	* tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
	* tree-gimple.h (enum omp_parallel_type): Remove.
	(gimple_boolify): Declare extern.
	(find_omp_clause, determine_parallel_type): Remove.

	* gimple-low.c (lower_omp_directive): New.
	(lower_stmt): Call it.
	(record_vars_into): Move from ...
	(record_vars): ... here.
	Call record_vars_into with current_function_decl.

	* gimplify.c (struct gimplify_ctx): Remove fields
	combined_pre_p and combined_ctxp.  Update users.
	(get_formal_tmp_var): Add documentation.
	(gimple_boolify): Make extern.
	(gimplify_expr_in_ctx): Remove.  Update callers.
	(gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
	will always be a BIND_EXPR.
	(gimplify_expr): Handle OMP_RETURN_EXPR.
	* tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
	(OMP_PARALLEL): Add 3 operands.
	(OMP_SECTIONS): Add 1 operand.
	(OMP_RETURN_EXPR): Define.

	* tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
	(copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
	* tree-iterator.c (alloc_stmt_list): Assert that we are not
	creating a circular free list.
	(free_stmt_list): Assert that we are not freeing stmt_list_cache.

	* tree-flow.h (move_sese_region_to_fn): Declare.
	(record_vars_into): Declare.
	* tree-cfg.c (make_omp_sections_edges): New.
	(make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
	OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
	OMP_SECTIONS and OMP_SECTION.
	(is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
	(set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
	(verify_stmt): Do not handle OMP_DIRECTIVE_P.
	(gather_blocks_in_sese_region): New.
	(struct move_stmt_d): Declare.
	(move_stmt_r): New.
	(move_block_to_fn): New.
	(move_sese_region_to_fn): New.

	* passes.c (init_optimization_passes): Schedule
	pass_expand_omp after pass_init_datastructures.

	* tree-ssa-operands.c (get_expr_operands): Handle
	OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
	OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.


testsuite/

	* testsuite/gcc.dg/gomp/for-13.c: Use -fdump-tree-ompexp.
	* testsuite/gcc.dg/gomp/critical-1.c: Likewise.
	* testsuite/gcc.dg/gomp/critical-3.c: Likewise.
	* testsuite/gcc.dg/gomp/empty.c: Likewise.
	* testsuite/gcc.dg/gomp/ordered-1.c: Likewise.
	* testsuite/gcc.dg/gomp/for-4.c: Likewise.
	* testsuite/gcc.dg/gomp/for-6.c: Likewise.
	* testsuite/gcc.dg/gomp/master-3.c: Likewise.
	* testsuite/gcc.dg/gomp/for-8.c: Likewise.
	* testsuite/gcc.dg/gomp/for-10.c: Likewise.
	* testsuite/gcc.dg/gomp/for-18.c: Likewise.
	* testsuite/gcc.dg/gomp/for-5.c: Likewise.
	* testsuite/gcc.dg/gomp/for-7.c: Likewise.
	* testsuite/gcc.dg/gomp/for-9.c: Likewise.

From-SVN: r109969
 2006-01-19 11:55:52 -05:00
Diego Novillo
953ff28998 [multiple changes] 
2006-01-18  Richard Henderson  <rth@redhat.com>
	    Jakub Jelinek  <jakub@redhat.com>
            Diego Novillo  <dnovillo@redhat.com>

	* libgomp: New directory.
	* Makefile.def: Add target_module libgomp.
	* Makefile.in: Regenerate.
	* configure.in (target_libraries): Add target-libgomp.
	* configure: Regenerate.


contrib/

2006-01-18  Richard Henderson  <rth@redhat.com>
            Diego Novillo  <dnovillo@redhat.com>

	* gcc_update (files_and_dependencies): Add libgomp files.


gcc/

2006-01-18  Richard Henderson  <rth@redhat.com>
            Aldy Hernandez  <aldyh@redhat.com>
	    Jakub Jelinek  <jakub@redhat.com>
            Diego Novillo  <dnovillo@redhat.com>

	* omp-low.c: New file.
	* c-omp.c: New file.

2006-01-18  Richard Henderson  <rth@redhat.com>
	    Jakub Jelinek  <jakub@redhat.com>
            Diego Novillo  <dnovillo@redhat.com>

	* doc/invoke.texi: Document -fopenmp.
	* tree-dump.h (debug_function): Declare.

	* hooks.c (hook_bool_tree_bool_false): New function.
	(hook_tree_tree_null): Remove.
	(hook_tree_tree_tree_null): New.
	* hooks.h: Update to match.

	* tree-pretty-print.c (debug_tree_chain): New.
	(print_generic_expr): Handle TDF_CHAIN.
	(dump_generic_node): Handle BLOCK.
	Do not abort with incomplete SWITCH_EXPRs.
	Do not dump body of an OpenMP directive if TDF_SLIM is given.
	<case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
	print space after directive name.
	<OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
	Handle OMP_MASTER and OMP_ORDERED.
	Handle printing of OMP_BODY just in one place, goto
	dump_omp_body in the rest of OMP_* nodes that have
	OMP_BODY.
	Don't handle clause nodes here.  Update omp statements to
	use dump_omp_clauses.
	Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
	OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
	OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
	GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
	GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
	GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
	Adjust output for GOMP_PARALLEL.
	(dump_omp_clauses): New.
	(print_declaration): Dump DECL_VALUE_EXPR.
	(op_symbol_1): Split out of op_symbol.
	(dumping_stmts): Remove.  Update all users.

	* cgraph.c (cgraph_analyze_queue): New.
	(cgraph_add_new_function): New.
	* cgraph.h (cgraph_analyze_queue): Declare.
	(cgraph_add_new_function): Declare.
	(cgraph_lower_function): Remove.

	* tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
	nodes.  Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
	and TYPE_P nodes in its default clause.
	(empty_body_p): New.
	(tree_range_check_failed): New.
	(build5_stat): New.

	* tree.h (OMP_CLAUSE_REDUCTION_INIT,
	OMP_CLAUSE_REDUCTION_MERGE,
	OMP_CLAUSE_REDUCTION_PLACEHOLDER,
	OMP_CLAUSE_PRIVATE_DEBUG,
	OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
	OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
	OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
	OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
	OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
	OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
	OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
	OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
	OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
	OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
	OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
	OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
	OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
	OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
	(TREE_RANGE_CHECK): New.
	(empty_body_p): Declare.
	(enum omp_clause_default_kind): New.
	(build_string_literal): Declare.
	(enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
	(build5_stat, build5): Declare.

	* tree-pass.h (TDF_CHAIN): Define.
	* tree-pass.h (PROP_gimple_lomp): Define.
	(pass_lower_omp): Declare.

	* diagnostic.h (debug_tree_chain): Declare.

	* builtins.c (get_builtin_sync_mode): Use 0 as last argument to
	mode_for_size.
	(expand_builtin): Handle sync BUILT_IN_*_16 builtins.
	* builtins.c (build_string_literal): Make extern.

	* gcc.c (include_spec_function): New.
	(static_spec_functions): Add it.
	(main): Move load of libgomp.spec ...
	(LINK_COMMAND_SPEC): ... here.
	(link_gomp_spec): New.
	(static_specs): Include it.
	(LINK_COMMAND_SPEC): Add link_gomp.
	(GOMP_SELF_SPECS): New.
	(driver_self_specs): Include it.
	(switch_matches): Don't mark inline.
	(main): Load libgomp.spec.

	* tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
	OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
	and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.

	* tree-gimple.h (enum omp_parallel): Declare.
	(determine_parallel_type): Declare.
	(omp_firstprivatize_variable): Declare.
	(omp_reduction_init): Declare.
	(diagnose_omp_structured_block_errors): Declare.
	(struct walk_stmt_info): Add want_return_expr.
	(struct walk_stmt_info): Add want_bind_expr, want_locations.
	(find_omp_clause): Declare.
	(insert_field_into_struct): Declare.
	(struct walk_stmt_info): Move from tree-nested.c
	(walk_stmts): Declare.

	* c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
	to 200505.

	* cgraphunit.c (cgraph_lower_function): Make static.
	(cgraph_finalize_pending_functions): New.
	(cgraph_finalize_function): Call it.
	(cgraph_finalize_compilation_unit): Likewise.

	* builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
	BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
	(BT_FN_UINT_UINT): New.
	(DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
	DEF_FUNCTION_TYPE_VAR_4): Document.
	(BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
	BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
	BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
	BT_FN_VOID_OMPFN_PTR_UINT_UINT,
	BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
	BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
	BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
	BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.

	* builtins.def: Update DEF_BUILTIN comment to include COND argument.
	Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
	into separate files.
	(DEF_GOMP_BUILTIN): New.
	(BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
	BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
	BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
	BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
	BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
	BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
	BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
	BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
	BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
	BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
	BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
	BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
	BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
	BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
	BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
	BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
	BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
	BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
	BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
	BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
	BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
	BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
	BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
	BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
	BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
	BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
	* sync-builtins.def: New file, moved from builtins.def.
	* omp-builtins.def: New file, moved from builtins.def.

	* c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.

	* gimple-low.c (lower_function_body): Clear data.
	(lower_stmt): Do not handle COMPOUND_EXPR.
	Remove call to print_node_brief.

	* c-tree.h (c_finish_omp_clauses): New prototype.
	(C_DECL_THREADPRIVATE_P): Define.
	(lookup_name_no_remap, c_omp_remap_private): Remove
	(c_begin_omp_parallel, c_finish_omp_parallel): Update.
	(check_for_loop_decls): Update decl.
	(lookup_name_no_remap, c_omp_remap_private): Declare.
	(build_indirect_ref, build_modify_expr, pushdecl,
	pushdecl_top_level): Move to c-common.h.

	* dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
	before the switch, but just in the 2 places that need it.

	* c-decl.c (diagnose_mismatched_decls): Do not check for
	mismatched thread-local attributes when OLDDECL is marked
	threadprivate and NEWDECL has no thread-local attributes.
	(merge_decls): Merge C_DECL_THREADPRIVATE_P.
	(c_gimple_diagnostics_recursively): Rename from
	c_warn_unused_result_recursively.  Invoke
	diagnose_omp_structured_block_errors.
	(check_for_loop_decls): Return a singular decl found.

	* langhooks.c (lhd_omp_predetermined_sharing): Return
	OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
	(lhd_omp_firstprivatize_type_sizes): New.
	(lhd_omp_assignment): New.
	(lhd_omp_predetermined_sharing): New.

	* langhooks.h (struct gimplify_omp_ctx): Forward declare.
	(struct lang_hooks_for_types): Add
	omp_firstprivatize_type_sizes, omp_privatize_by_reference,
	omp_predetermined_sharing, omp_disregard_value_expr,
	omp_private_debug_clause, omp_clause_default_ctor,
	omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.

	(c_finish_omp_clauses): New.
	(c_finish_bc_stmt): Diagnose break within omp for.
	(c_begin_omp_parallel, c_finish_omp_parallel): New.
	(build_unary_op): Return error_mark after reporting
	a readonly_error.
	(build_modify_expr): Likewise.

	* gimplify.c: Include optabs.h and pointer-set.h.
	(enum gimplify_omp_var_data): Declare.
	(struct gimplify_omp_ctx): Declare.
	(struct gimplify_ctx): Add fields prev_context, combined_pre_p
	and combined_ctxp.
	(gimplify_ctxp, gimplify_omp_ctxp): New local variables.
	(push_gimplify_context, pop_gimplify_context): Allow nesting.
	(splay_tree_compare_decl_uid): New.
	(new_omp_context): New.
	(delete_omp_context): New.
	(gimple_add_tmp_var): Call omp_add_variable.
	(gimplify_bind_expr): Likewise.
	(gimplify_var_or_parm_decl): If omp_notice_variable returned
	true, disregard DECL_VALUE_EXPR on the decl if any.
	(gimplify_expr_in_ctx): New.
	(omp_firstprivatize_variable, omp_firstprivatize_type_sizes
	omp_add_variable, omp_notice_variable, omp_is_private
	gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
	gimplify_adjust_omp_clauses, gimplify_omp_parallel
	gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
	gimplify_omp_atomic_fetch_op, goa_stabilize_expr
	gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
	gimplify_omp_atomic): New.
	(gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
	OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
	OMP_CRITICAL and OMP_ATOMIC.
	(gimplify_body): Verify gimplify_ctxp is empty after gimplification.

	* c-pragma.h (enum pragma_kind): Add
	PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
	PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
	PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
	PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
	PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
	PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
	PRAGMA_OMP_THREADPRIVATE.

	* tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
	OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
	OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
	OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
	OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
	OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
	OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
	OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
	OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.

	* print-tree.c (print_node): Dump DECL_VALUE_EXPR.

	* tree-ssa-dce.c (find_control_dependence): Do not assume that
	ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).

	* tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
	OpenMP directives.
	(struct nesting_info): Add field_map,
	suppress_expansion, debug_var_chain.
	(create_nesting_tree): Initialize them.
	(lookup_field_for_decl): Use field_map.
	(get_nonlocal_debug_decl, get_local_debug_decl): New.
	(convert_local_omp_clauses): New.
	(finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
	(walk_body): Split out of walk_function.
	(convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
	(convert_nonlocal_reference): Handle omp statements.
	(convert_local_reference): Likewise.
	(unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
	(unnest_nesting_tree): New.
	(lower_nested_functions): Call it.
	(insert_field_into_struct): Make extern.
	(struct walk_stmt_info): Move to tree-gimple.h.
	(walk_stmts): Make extern.

	* omp-builtins.def: New file.

	* tree-iterator.c (expr_only): Clarify comment.

	* c-common.h (pushdecl_top_level, pushdecl,
	build_modify_expr, build_indirect_ref,
	c_finish_omp_master, c_finish_omp_critical,
	c_finish_omp_ordered, c_finish_omp_barrier,
	c_finish_omp_atomic, c_finish_omp_flush,
	c_finish_omp_for, c_split_parallel_clauses,
	omp_clause_default_kind, c_omp_sharing_predetermined,
	c_omp_remap_decl): Declare.

	* Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
	(OBJS-common): Add omp-low.o.
	(c-omp.o, omp-low.o): Add.
	(gimplify.o): Add dependency on $(OPTABS_H).
	(GTFILES): Add omp-low.c.
	(gt-stringpool.h): Add.

	* tree-cfg.c (set_bb_for_stmt): Do not update the
	block-to-labels map if we are currently expanding to RTL.
	(tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
	checks.
	Handle IDENTIFIER_NODE.
	(tree_verify_flow_info): Do not ICE when emitting error
	messages about invalid labels.
	(dump_function_to_file): Reset CFUN before emitting the body
	of the function.
	(debug_function): New.

	* passes.c (init_optimization_passes): Schedule
	pass_lower_omp.

	* langhooks-def.h (lhd_omp_predetermined_sharing,
	lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
	Declare.
	(LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
	(LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
	(LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
	LANG_HOOKS_OMP_PREDETERMINED_SHARING,
	LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
	LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
	LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
	LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
	LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
	LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
	(LANG_HOOK_DECLS): Use them.


2006-01-18  Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
	    Richard Henderson  <rth@redhat.com>
	    Jakub Jelinek  <jakub@redhat.com>
            Diego Novillo  <dnovillo@redhat.com>

	* c-parser.c (pragma_omp_clause): Define.
	(c_parser_declaration_or_fndef): Document OpenMP syntax.
	(c_parser_compound_statement): Likewise.
	(c_parser_statement): Likewise.
	(c_parser_pragma): Handle omp pragmas.
	(OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
	OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
	(c_parser_omp_clause_name, check_no_duplicate_clause,
	c_parser_omp_variable_list,
	c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
	c_parser_omp_clause_copyprivate,
	c_parser_omp_clause_default,
	c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
	c_parser_omp_clause_lastprivate,
	c_parser_omp_clause_nowait,
	c_parser_omp_clause_num_threads,
	c_parser_omp_clause_ordered, c_parser_omp_clause_private,
	c_parser_omp_clause_reduction,
	c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
	c_parser_omp_all_clauses, c_parser_omp_structured_block,
	c_parser_omp_atomic, c_parser_omp_barrier,
	c_parser_omp_critical, c_parser_omp_flush,
	c_parser_omp_for_loop, c_parser_omp_for,
	c_parser_omp_master, c_parser_omp_ordered,
	c_parser_omp_sections_scope, c_parser_omp_sections,
	c_parser_omp_parallel, c_parser_omp_single,
	c_parser_omp_construct, c_parser_omp_threadprivate): New.
	* c-pragma.c (init_pragma): Do omp pragma registration here.
	* c.opt (fopenmp): New flag.


2006-01-18  Eric Christopher  <echristo@apple.com>

	* gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
	* config/darwin.h (GOMP_SELF_SPECS): Define.


testsuite/

2006-01-18  Richard Henderson  <rth@redhat.com>
            Aldy Hernandez  <aldyh@redhat.com>
	    Jakub Jelinek  <jakub@redhat.com>
            Diego Novillo  <dnovillo@redhat.com>
            Uros Bizjak  <uros@kss-loka.si>

	* testsuite/gcc.dg/gomp: New directory.

From-SVN: r109902
 2006-01-18 14:21:25 -05:00
Gabor Loki
38109dab82 rtl-factoring.c: Add sequence abstraction algorithm. 
2006-01-16  Gabor Loki <loki@gcc.gnu.org>

	* rtl-factoring.c : Add sequence abstraction algorithm.
	* cfgcleanup.c (outgoing_edges_match): Extra checks.
	(try_crossjump_to_edge): Avoid deleting preserve label when redirecting
	ABNORMAL edges.
	(block_has_preserve_label): New function.
	* common.opt: Register new pass.
	* Makefile.in: Ditto.
	* passes.c: Ditto.
	* timevar.def: Ditto.
	* tree-pass.h: Ditto.
	* emit-rtl.c (make_jump_insn_raw): Remove forward decl.
	* rtl.h (make_jump_insn_raw): Add forward decl.
	* doc/invoke.texi: Add documentation for
																	                  -frtl-abstract-sequences.

From-SVN: r109750
 2006-01-16 15:56:47 +00:00
Paolo Bonzini
bc23502b7f re PR tree-optimization/23109 (compiler generates wrong code leading to spurious division by zero with -funsafe-math-optimizations (instead of -ftrapping-math)) 
gcc:
2006-01-11  Paolo Bonzini  <bonzini@gnu.org>

	PR tree-optimization/23109
	PR tree-optimization/23948
	PR tree-optimization/24123

	* Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
        * tree-cfg.c (single_noncomplex_succ): New.
        * tree-flow.h (single_noncomplex_succ): Declare it.
        * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
        * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
        (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
	insert_bb, register_division_in, insert_reciprocals,
	replace_reciprocal, free_bb): New.
        (execute_cse_reciprocals_1): Rewritten.
        (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
        Do not commit any edge insertion.  Always compute dominators and
        create the allocation pool.
        * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
	* target.h (struct gcc_target): Add min_divistions_for_recip_mul.
	* targhooks.c (default_min_divistions_for_recip_mul): New.
	* targhooks.h (default_min_divistions_for_recip_mul): New prototype.
        * passes.c (init_optimization_passes): Run recip after tree loop
        optimizations.
        * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.

gcc/testsuite:
2006-01-11  Paolo Bonzini  <bonzini@gnu.org>
        
        PR tree-optimization/23109
        PR tree-optimization/23948
        PR tree-optimization/24123

        * gcc.dg/tree-ssa/recip-3.c, gcc.dg/tree-ssa/recip-4.c,
        gcc.dg/tree-ssa/recip-5.c, gcc.dg/tree-ssa/recip-6.c,
        gcc.dg/tree-ssa/recip-7.c, gcc.dg/tree-ssa/pr23109.c,
        g++.dg/tree-ssa/pr23948.C: New testcases.
        * gcc.dg/tree-ssa/recip-2.c, gcc.dg/tree-ssa/pr23234.c: Provide
	three divisions in order to do the optimization.

From-SVN: r109578
 2006-01-11 13:02:18 +00:00
Richard Guenther
3f519b3517 tree-pass.h (TODO_remove_unused_locals): Define. 
2006-01-05  Richard Guenther  <rguenther@suse.de>
	    Diego Novillo  <dnovillo@redhat.com>

	* tree-pass.h (TODO_remove_unused_locals): Define.
	* gimple-low.c (expand_var_p, remove_useless_vars,
	pass_remove_useless_vars): Remove.  Update all users.
	* tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
	(remove_unused_locals): New function.
	* tree-flow.h (remove_unused_locals): Declare.
	* passes.c (execute_todo): Call remove_unused_locals if
	TODO_remove_unused_locals is set.
	* tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
	* tree-ssa-dce.c (pass_dce): Likewise.
	* tree-outof-ssa.c (pass_del_ssa): Likewise.

	* gcc.dg/tree-ssa/loop-11.c: Deal with removed vars pass.
	* gcc.dg/tree-ssa/loop-8.c: Likewise.
	* gcc.dg/tree-ssa/loop-1.c: Likewise.
	* gcc.dg/tree-ssa/pr23294.c: Likewise.
	* gcc.dg/tree-ssa/pr21985.c: Likewise.
	* gcc.dg/tree-ssa/loop-14.c: Likewise.
	* gcc.dg/tree-ssa/loop-2.c: Likewise.
	* gcc.dg/tree-ssa/loop-3.c: Likewise.
	* gcc.dg/tree-ssa/loop-4.c: Likewise.
	* gcc.dg/tree-ssa/pr21171.c: Likewise.
	* gcc.dg/tree-ssa/loop-5.c: Likewise.
	* gcc.dg/tree-ssa/loop-10.c: Likewise.
	* gcc.dg/tree-ssa/loop-6.c: Likewise.
	* treelang/compile/extravar.tree: Likewise.
	* g++.dg/tree-ssa/ssa-cast-1.C: Likewise.
	* g++.dg/tree-ssa/pointer-reference-alias.C: Likewise.
	* g++.dg/tree-ssa/ssa-sra-1.C: Likewise.
	* g++.dg/tree-ssa/ssa-sra-2.C: Likewise.
	* gcc.dg/tree-ssa/20031106-6.c: Disable SRA.

Co-Authored-By: Diego Novillo <dnovillo@redhat.com>

From-SVN: r109379
 2006-01-05 13:53:54 +00:00
Daniel Berlin
c90186eb1a tree.h (VALUE_HANDLE_VUSES): New. 
2005-12-29  Daniel Berlin  <dberlin@dberlin.org>

	* tree.h (VALUE_HANDLE_VUSES): New.
	(struct tree_value_handle): Add vuses.

	* tree-vn.c (struct val_expr_pair_d): Remove stmt, add vuses.
	(vn_compute): Remove stmt argument.
	Don't use vuses in hash value computation.
	(val_expr_pair_eq): Compare vuse lists.
	(copy_vuses_from_stmt): New function.
	(shared_vuses_from_stmt): Ditto.
	(vn_add): Rewrite in terms of vn_add_with_vuses.
	(vn_add_with_vuses): New function.
	(vn_lookup): Rewrite in terms of vn_lookup_with_vuses.
	(vn_lookup_with_vuses): New function.
	(vuses_compare): New function.
	(print_creation_to_file): Ditto.
	(vn_lookup_or_add): Rewrite to handle vuses.
	(sort_vuses): New function.
	(vn_lookup_or_add_with_vuses): Ditto.
	(vn_init): Initialize shared_lookup_vuses.
	(vn_delete): Free shared_lookup_vuses.

	* tree-ssa-pre.c: Update todo list.
	(bb_value_sets_t): Add rvuse_in, rvuse_out, rvuse_gen, and
	rvuse_kill.
	(RVUSE_IN): New macro.
	(RVUSE_GEN): Ditto.
	(RVUSE_KILL): Ditto.
	(RVUSE_OUT): Ditto.
	(modify_expr_node_pool): New function.
	(pretemp): New.
	(storetemp): Ditto.
	(mergephitemp): Ditto.
	(prephitemp): Ditto.
	(struct expr_pred_trans_d): Add vuses member.
	(expr_pred_trans_eq): Compare vuses.
	(phi_trans_lookup): Add vuses argument.
	(phi_trans_add): Ditto.
	(translate_vuses_through_block): New function.
	(phi_translate): Use vuses to ask about those expressions that can
	have vuses.
	Properly translate virtual uses through phis, and use
	vn_lookup_or_add_with vuses.  Handle tcc_reference.
	(phi_translate_set): Don't add pointless translations to the
	cache.
	(get_representative): New function.
	(vuses_dies_in_block_x): Ditto.
	(valid_in_set): Add block argument.  Check virtual use validity.
	(clean): Add block argument. Update call to valid_in_set
	(compute_antic_aux): Update call to clean.
	(dump_bitmap_of_names): New function.
	(compute_vuse_representatives): Ditto.
	(compute_rvuse): Ditto.
	(can_value_number_call): Modified to accept calls with vuses.
	(can_value_number_operation): New function.
	(can_PRE_operation): Ditto.
	(need_creation): New vector of stores that may need creation.
	(find_or_generate_expression): use can_PRE_operation.
	(create_expression_by_pieces): Handle INDIRECT_REF.
	Only create one temp until we have to change types.
	Mark new vars for renaming.
	(insert_into_preds_of_block): Ignore loopiness of loads.
	Use can_PRE_operation.
	Only create one temp until we have to chnge types.
	(insert_aux): Use can_PRE_operation.
	Don't pass name to insert_into_preds_of_block.
	(insert_extra_phis): Only use one temp until we have to change
	types.
	(poolify_tree): New function.
	(modify_expr_template): New var.
	(poolify_modify_expr): New function.
	(insert_fake_stores): Ditto.
	(realify_fake_stores): Ditto.
	(compute_avail): Use can_value_number_operation.
	(mark_operand_necessary): Return NULL for non-SSA names.
	(remove_dead_inserted_code): Update comment.
	(init_pre): Initialize pretemp, need_creation, storetemp,
	mergephitemp, prephitemp.
	Create modify_expr_node_pool.
	(fini_pre): Free modify_expr_node_pool and need_creation array.
	(execute_pre): Call insert_fake_stores, compute_rvuse, and
	realify_fake_stores. 
	* tree-flow.h (vn_compute): Fix prototype.
	(vn_add): Ditto.
	(vn_lookup): Ditto.
	(sort_vuses): New.
	(vn_lookup_or_add_with_vuses): Ditto.
	(vn_add_with_vuses): Ditto.
	(vn_lookup_with_vuses): Ditto.
	* passes.c (pass_may_alias): Add.

From-SVN: r109180
 2005-12-30 18:43:00 +00:00
Daniel Berlin
097d5d18f0 tree-pass.h (pass_eliminate_useless_stores): Remove. 
2005-12-23  Daniel Berlin  <dberlin@dberlin.org>

	* tree-pass.h (pass_eliminate_useless_stores): Remove.
	* tree-ssa-pre.c (is_copy_stmt): Ditto.
	(follow_copies_till_vuse): Ditto.
	(do_eustore): Ditto.
	(gate_eustores): Ditto.
	(pass_eliminate_useless_stores): Ditto.
	* passes.c (init_optimization_passes): Ditto.

From-SVN: r109034
 2005-12-24 04:42:48 +00:00
Jeff Law
0e0ed59411 tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove reassociation code. 
* tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
	reassociation code.
	* passes.c (init_optimization_passes): Run reassociation again
	after loop optimizations.

	* tree-ssa-dom.c (thread_across_edge): Canonicalize condition
	if necessary.
	(optimize_stmt): Ditto.
	(canonicalize_comparison): New function.
	* tree-ssa-operands.c (swap_tree_operands): Make external.
	(get_expr_operands): Stop auto-canonicalization.
	* tree-ssa-reassoc.c: Rewrite.
	(init_optimization_passes): 
	* tree-flow.h (swap_tree_operands): Prototype.
	* Makefile.in (tree-ssa-reassoc.o): Update dependencies.

	* gcc.dg/tree-ssa/ssa-pre-2.c: Update due to reassociation changes.
	* gcc.dg/tree-ssa/reassoc-1.c: Likewise.
	* gcc.dg/tree-ssa/reassoc-2.c: Likewise.
	* gcc.dg/tree-ssa/reassoc-3.c: Likewise.
	* gcc.dg/tree-ssa/reassoc-4.c: Likewise.
	* gcc.dg/tree-ssa/reassoc-5.c: New.
	* gcc.dg/tree-ssa/reassoc-6.c: New.
	* gcc.dg/tree-ssa/reassoc-7.c: New.
	* gcc.dg/tree-ssa/reassoc-8.c: New.
	* gcc.dg/tree-ssa/reassoc-9.c: New.
	* gcc.dg/tree-ssa/reassoc-10.c: New.
	* gcc.dg/tree-ssa/reassoc-11.c: New.

From-SVN: r108425
 2005-12-12 12:59:16 -07:00
Diego Novillo
dd97d271a4 passes.c (init_optimization_passes): Document sequencing of passes. 
* passes.c (init_optimization_passes): Document
	sequencing of passes.

From-SVN: r107425
 2005-11-23 13:05:38 -05:00
Richard Henderson
4989673889 re PR tree-optimization/24300 (segfault in operand_equal_p with -ftree-vectorize) 
PR tree-opt/24300
        * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
        * tree-ssa-dce.c: Include cfgloop.h.
        (tree_ssa_dce_loop, pass_dce_loop): New.
        * tree-pass.h (pass_dce_loop): Declare it.
        * passes.c (init_optimization_passes): Use it.

From-SVN: r105250
 2005-10-11 12:18:24 -07:00
Richard Henderson
5872662b0b re PR middle-end/24049 (compiler error: Segmentation fault In function 'DESX_CBCUpdate') 
PR 24049
        * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
        under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
        under pass_vectorize.

From-SVN: r105029
 2005-10-06 01:41:47 -07:00
Jeff Law
f20731b7ca passes.c (init_optimization_passes): Replace copy propagation passes immediately after DOM with phi-only copy... 
* passes.c (init_optimization_passes): Replace copy propagation
        passes immediately after DOM with phi-only copy propagation
        pases.  Add phi-only copy propagation pass after first DOM pass.
        * tree-pass.h (pass_phi_only_copy_prop): Declare.
        * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
        If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
        (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
        to init_copy_prop.  Callers updated.
        (do_phi_only_copy_prop): New function.
        (pass_phi_only_copy_prop): New pass descriptor.

From-SVN: r104705
 2005-09-27 12:47:27 -06:00
Richard Henderson
b1e8be1060 tree-pass.h, [...]: Revert last change. 
* tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
        * tree-ssa-loop.c (pass_vect_dce): Remove.
        * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
        of pass_vectorize.

From-SVN: r104382
 2005-09-17 17:03:26 -07:00
Richard Henderson
8fe07c4206 tree-pass.h (pass_vect_dce): Declare. 
* tree-pass.h (pass_vect_dce): Declare.
        * passes.c (init_optimization_passes): Add it.
        * tree-flow.h (tree_ssa_dce): Declare.
        * tree-ssa-dce.c (tree_ssa_dce): Export.
        * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
        (gate_tree_vectorize): ... here.
        (pass_vect_dce): New.

From-SVN: r104376
 2005-09-17 14:46:20 -07:00
Paolo Bonzini
6a4e47783a re PR middle-end/23903 (Duplicate dump file numbers) 
2005-09-16  Paolo Bonzini  <bonzini@gnu.org>

	PR 23903

	* passes.c (init_optimization_passes): Register dump files for
	IPA passes first.

From-SVN: r104343
 2005-09-16 15:11:21 +00:00
Richard Henderson
db5f8b93fe re PR debug/23190 (debug info omitted for uninitialized variables (stabs)) 
PR debug/23190
        * toplev.c (wrapup_global_declaration_1): Split out ...
        (wrapup_global_declaration_2): ... from ...
        (wrapup_global_declarations): ... here.  Return bool.
        (check_global_declaration_1): Split out ...
        (check_global_declarations): from here.
        (emit_debug_global_declarations): New.
        * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
        check_global_declaration_1, emit_debug_global_declarations): Declare.
        * c-decl.c (c_write_global_declarations_1): Don't create a vector
        of decls.  Call wrapup_global_declaration_1,
        wrapup_global_declaration_2, check_global_declaration_1 directly.
        (c_write_global_declarations_2): New.
        (ext_block): New.
        (c_write_global_declarations): Call c_write_global_declarations_2.
        * langhooks.c (write_global_declarations): Call
        emit_debug_global_declarations.
        * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
        remove decls that have DECL_RTL_SET_P.
        * passes.c (rest_of_decl_compilation): Invoke
        cgraph_varpool_finalize_decl for all but functions.
cp/
        * decl.c (wrapup_globals_for_namespace): Call
        emit_debug_global_declarations.
        * decl2.c (cp_finish_file): Likewise.

From-SVN: r104065
 2005-09-08 17:47:05 -07:00
Jakub Jelinek
5e34206b7e tree-pass.h (TDF_GRAPH): Define. 
* tree-pass.h (TDF_GRAPH): Define.
	* tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
	* passes.c (finish_optimization_passes): Only call
	finish_graph_dump_file if TDF_GRAPH is set.
	(execute_one_pass): Only call clean_graph_dump_file if dump_file !=
	NULL.  Set TDF_GRAPH bit.
	(execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.

	* gcc.dg/20050811-1.c: New test.
	* gcc.dg/20050811-2.c: New test.

From-SVN: r103304
 2005-08-20 18:03:58 +02:00
Diego Novillo
c4f548b8c5 re PR tree-optimization/22037 (internal compiler error: verify_ssa failed) 
PR 22037
	* tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
	(tree_merge_blocks): Propagate anything allowed by
	may_propagate_copy.
	Clarify documentation.
	* passes.c (execute_todo): If cleanup_tree_cfg invalidated the
	SSA form, schedule an update if necessary.

testsuite/ChangeLog

	PR 22037
	* g++.dg/tree-ssa/pr22037.C:

From-SVN: r102740
 2005-08-04 14:16:41 -04:00
Razya Ladelsky
57fb53415e Makefile.in: Add ipcp.c, ipa-prop.h, ipa-prop.c. 
* Makefile.in: Add ipcp.c, ipa-prop.h, ipa-prop.c. Remove integrate.h
	dependency from tree-inline.o.
	Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
        * common.opt: Add ipa-cp flag.
        * timevar.def: Add IPCP optimization.
        * tree-optimize.c (init_tree_optimization_passes): Schedule
	pass_ipa_cp.
	* tree-pass.h (pass_ipa_cp): Declare.
        * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
        cgraph_function_versioning): New declarations.
	* cgraphunit.c: Add include to ipa-prop.h.
        (update_call_expr, cgraph_copy_node_for_versioning,
	cgraph_function_versioning): New functions.
        * integrate.c (copy_decl_for_inlining): Remove.
        * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
        (struct inline_data): Add versioning_p, ipa_info, new fields.
        (remap_decl, mark_local_for_remap_r, setup_one_parameter,
	declare_return_variable): Replace calls to copy_decl_for_inlining with
        copy_decl_for_dup.
        (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
	versioning support.
        (copy_decl_for_dup): Rename from copy_decl_for_inlining.
	Add argument VERSIONING.
        (copy_arguments_for_versioning, copy_static_chain,
	function_versionable_p, tree_versionable_function_p,
	tree_function_versioning, replace_ref_tree): New functions.
	* tree-inline.h: Include varray.h.
        (tree_versionable_function_p,  tree_function_versioning,
	tree copy_decl_for_dup): New declarations.

From-SVN: r102625
 2005-08-01 07:42:09 +00:00
Jan Hubicka
8a76829ccf Makefile.in (rtl-profile.o): Kill all traces of it. 
* Makefile.in (rtl-profile.o): Kill all traces of it.
	* common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
	* coverage.h (rtl_coverage_counter_ref): Kill.
	* opts.c (flag_speculative_prefetching_set): Kill.
	(flag_loop_optimize_set): New.
	(common_handle_option): Disable loop optimizer when profiling;
	do not handle speculative prefetching.
	* passes.c (init_optimization_passes): Replace pass_profiling combo
	by branch_prob pass.
	* profile.c (compute_value_histograms): Update for simplified value
	profiles.
	(rtl_register_profile_hooks): Kill.
	(pass_profiling): Kill.
	(rest_of_handle_branch_prob): Do not profile.
	* toplev.c (process_options): Remove speculative prefetching.
	* toplev.h (flag_tree_based_profiling): Kill.
	* tree-profile.c (prepare_instrumented_value,
	tree_gen_interval_profiler, tree_gen_pow2_profiler,
	tree_gen_one_value_profiler, do_tree_profiling): Update for
	simplified datastructures.
	* value-prof.c: Add comment that speculative prefetching was dropped;
	update rest of file for simplified datastructures.
	(NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
	rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
	find_mem_reference_1, find_mem_reference_2, find_mem_reference,
	rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
	rtl_mod_subtract, gen_speculative_prefetch,
	rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
	rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
	(gate_handle_value_profile_transformations,
	rest_of_handle_value_profile_transformations,
	pass_value_profile_transformations): Kill.
	* value-prof.h (histogram_value_t): Remove IL based unions.
	(rtl_register_value_prof_hooks, rtl_register_profile_hooks,
	rtl_profile_hooks): Remove hooks.

	* invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.

	* inliner-1.c: Do not dump everything.
	* tree-prof.exp: Do not pass -ftree-based-profiling.
	* bprob.exp: Likewise.

From-SVN: r102522
 2005-07-28 21:48:38 +00:00
Steven Bosscher
ef11c83902 re PR debug/20161 (ICE with dwarf for incomplete element type argument) 
PR debug/20161
	* passes.c (rest_of_decl_compilation): If decl is a type and
	we have encountered errors, don't emit debug information.

From-SVN: r102452
 2005-07-28 01:24:19 +00:00
Daniel Berlin
6a9a79a866 Makefile.in: Removed tree-promote-statics.c 
2005-07-19  Danny Berlin <dberlin@dberlin.org>
	    Kenneth Zadeck <zadeck@naturalbridge.com>

	* Makefile.in: Removed tree-promote-statics.c
	* tree-promote-statics.c: Removed.
	* common.opt: Removed flag-promote-statics.
	* opts.c: Ditto.
	* passes.c: Removed tree-promote-statics pass.
	* tree-pass.h: Ditto.
	* timevar.def: Removed TV_PROMOTE_STATICS.


2005-07-19  Danny Berlin <dberlin@dberlin.org>
	    Kenneth Zadeck <zadeck@naturalbridge.com>

	* gcc.dg/tree-ssa/sra-2.c: Changed back to -O1 and added xfail.

Co-Authored-By: Kenneth Zadeck <zadeck@naturalbridge.com>

From-SVN: r102165
 2005-07-19 18:46:15 +00:00
Steven Bosscher
9fa264571d loop-init.c (rest_of_handle_loop2): Remove. 
* loop-init.c (rest_of_handle_loop2): Remove.
	(rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
	rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
	(pass_rtl_loop_init, pass_rtl_loop_done,
	pass_rtl_move_loop_invariants, pass_rtl_unswitch,
	pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
	* tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
	pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
	pass_tree_loop_done, and pass_tree_unswitch.
	(gate_loop): Rename to gate_tree_loop.
	* passes.c (init_optimization_passes): Update for renamed tree
	loop passes.  Add the new loop2 passes as subpasses of loop2.
	* tree-pass.h: Add extern declarations for the new loop2 subpasses.
	Update for the renamed tree loop passes.

From-SVN: r102149
 2005-07-19 00:44:45 +00:00
Daniel Berlin
45159bf654 tree-optimize.c (init_tree_optimization_passes): Add pass_eliminate_useless_stores pass. 
2005-07-12  Daniel Berlin  <dberlin@dberlin.org>

	* tree-optimize.c (init_tree_optimization_passes): Add
	pass_eliminate_useless_stores pass.
	* tree-pass.h (pass_eliminate_useless_stores): New pass structure.
	* tree-ssa-pre.c (is_copy_stmt): New function.
	(follow_copies_till_vuse): Ditto.
	(do_eustores): Ditto.
	(gate_eustores): Ditto.

From-SVN: r102112
 2005-07-17 17:13:53 +00:00
Daniel Berlin
ea900239f4 Makefile.in: Added rules for ipa-pure-const.c... 
2005-07-16  Danny Berlin <dberlin@dberlin.org>
	    Kenneth Zadeck <zadeck@naturalbridge.com>

	* Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
	ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
	ipa-type-escape.h, tree-promote-statics.c
	* ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
	ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
	tree-promote-statics.c: new files.
	* alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
	nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
	int nonlocal_set_p, mark_constant_function): Deleted.
	(rest_of_handle_cfg): Removed call to mark_constant_function.
        (nonoverlapping_component_refs_p): Added calls to support
	type based aliasing.
        * tree-ssa-alias.c (may_alias_p,
	compute_flow_insensitive_aliasing): Ditto.
	* calls.c (flags_from_decl_or_type): Removed reference to
	cgraph_rtl_info.
	(flags_from_decl_or_type): Support ECF_POINTER_NO_CAPTURE attribute.
	* c-common.c (handle_pointer_no_capture_attribute): New function
	and added pointer_no_capture attribute.
      	* c-typeck.c (convert_arguments): Make builtins tolerant of having
	too many arguments.  This is necessary for Spec 2000.
	* cgraph.h (const_function, pure_function): Removed.
	* common.opt: Added "fipa-pure-const", "fipa-reference",
	"fipa-type-escape", and "ftree-promote-static".
	* opts.c: Ditto.
	* passes.c: Added ipa and tree-promote-statics passes.
	* timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
	TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
	* tree.h: Support ECF_POINTER_NO_CAPTURE attribute.
	* tree-dfa.c (referenced_var_lookup_if_exists): New function.
	* tree-flow.h: Added exposed sra calls and addition of
	reference_vars_info field for FUNCTION_DECLS.
	* tree-pass.h: Added passes.
	* tree-sra.c: (sra_init_cache): New function.
	(sra_insert_before, sra_insert_after) Made public.
	(type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
	and made public.
	* tree-ssa-alias.c (dump_alias_stats): Added stats for type based
	aliasing. (may_alias_p): Added code to use type escape analysis to
	improve alias sets.
	* tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
	code to prune clobbers of static variables based on information
	produced in ipa-reference pass.  Changed call clobbering so that
	statics are not marked as clobbered if the call does not clobber
	them.


2005-07-16  Danny Berlin <dberlin@dberlin.org>
	    Kenneth Zadeck <zadeck@naturalbridge.com>

	* gcc.dg/tree-ssa/ssa-dce-2.c: Changed dg-options to run at -O2
	since pure const detection cannot run at -O1 in c compiler.
	* gcc.dg/tree-ssa/20030714-1.c Changed scanning patterns because we
	can now optimize this case properly.
	* gcc.dg/tree-ssa/sra-2.c: Changed to -O3 and removed xfail
	because we now pass.
	* gcc.dg/vect/vect-92.c: Removed out of bounds array access.

Co-Authored-By: Kenneth Zadeck <zadeck@naturalbridge.com>

From-SVN: r102098
 2005-07-16 18:56:53 +00:00