From-SVN: r145567

        PR c++/14912
        * error.c (count_non_default_template_args): New fn.
        (dump_template_parms): Call it.
        (dump_template_argument_list): Call it.  Add parms parm.
        (dump_template_argument): Adjust call to dump_template_argument_list.
        (dump_type, dump_decl): Likewise.
        (dump_template_bindings): Refactor logic.

From-SVN: r145566

	* except.c (sjlj_find_directly_reachable_regions): Be ready for removed toplevel
	regions.
	(sjlj_mark_call_sites): Likewise.

From-SVN: r145565

gcc/fortran/:
2009-04-05  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/29458
        * trans-array.c (gfc_trans_array_constructor_value): Shadow implied
        do-loop variable to avoid spurious middle-end warnings.


gcc/testsuite/:
2009-04-05  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/29458
        * gfortran.dg/implied_do_1.f90: New.

From-SVN: r145564

2009-04-05  Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/39644 (partial)
	* include/bits/random.tcc (linear_congruential_engine<>::
	seed(seed_seq&), independent_bits_engine<>::operator(),
	generate_canonical(_UniformRandomNumberGenerator&)): Avoid log2l.

From-SVN: r145563

	* config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
	(cygwin tm clause use_gcc_stdint):  Set to wrap.
	* config/i386/cygwin-stdint.h:  New file.

From-SVN: r145562

From-SVN: r145558

	* Fix typos in last ChangeLog entry.

From-SVN: r145554

2009-04-05  Edward M. Smith-Rowland  <3dw4rd@verizon.net>

	* include/bits/random.h (struct _ShiftMin1): Fix small typo and
	thinko.
	* testsuite/26_numerics/random/mersenne_twister_engine/cons/
	default.cc: Enable.

2009-04-05  Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/39629 (partial)
	* testsuite/26_numerics/random/independent_bits_engine/cons/
	base_move.cc: Use uint_fast64_t instead of unsigned long.
	* testsuite/26_numerics/random/independent_bits_engine/cons/
	seed1.cc: Likewise.
	* testsuite/26_numerics/random/independent_bits_engine/cons/
	seed2.cc: Likewise.
	* testsuite/26_numerics/random/independent_bits_engine/cons/
	base_copy.cc: Likewise.
	* testsuite/26_numerics/random/independent_bits_engine/cons/
	default.cc: Likewise.
	* testsuite/26_numerics/random/independent_bits_engine/cons/
	seed_seq.cc: Likewise.
	* testsuite/26_numerics/random/independent_bits_engine/
	requirements/typedefs.cc: Likewise.
	* testsuite/26_numerics/random/independent_bits_engine/
	operators/equal.cc: Likewise.
	* testsuite/26_numerics/random/independent_bits_engine/
	operators/serialize.cc: Likewise.
	* testsuite/26_numerics/random/mt19937_64.cc: Use ull.

From-SVN: r145553

2009-04-04  Tobias Burnus  <burnus@net-b.de>

        PR fortran/39577
        * trans-decl.c (gfc_generate_function_code): Move recursive
        check to the right position.

2009-04-04  Tobias Burnus  <burnus@net-b.de>

        PR fortran/39577
        * gfortran.dg/recursive_check_8.f90: New.
        * gfortran.dg/recursive_check_9.f90: New.
        * gfortran.dg/recursive_check_10.f90: New.
        * gfortran.dg/recursive_check_11.f90: New.
        * gfortran.dg/recursive_check_12.f90: New.
        * gfortran.dg/recursive_check_13.f90: New.
        * gfortran.dg/recursive_check_14.f90: New.

From-SVN: r145552

2009-04-04  Richard Guenther  <rguenther@suse.de>

	* Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
	* tree-ssa-copy.c (init_copy_prop): Do not propagate through
	single-argument PHIs if we are in loop-closed SSA form.
	* tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
	for the pre-condition.
	(slpeel_tree_peel_loop_to_edge): Likewise.
	(vect_build_loop_niters): Take an optional sequence to append stmts.
	(vect_generate_tmps_on_preheader): Likewise.
	(vect_do_peeling_for_loop_bound): Take extra guards for the
	pre-condition.
	(vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
	the cost model check.
	(vect_loop_versioning): Take stmt and stmt list to put pre-condition
	guards if we are going to peel.  Do not apply versioning in that
	case.
	* tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
	(vect_do_peeling_for_loop_bound): Likewise.
	* tree-vect-loop.c (vect_transform_loop): If we are peeling for
	loop bound only record extra pre-conditions, do not apply loop
	versioning.

From-SVN: r145551

        PR c++/25185
        * error.c (dump_template_bindings): Look through typedefs in
        typename results.
        (dump_type) [TYPENAME_TYPE]: Print the typedef name if any.
        (find_typenames_r): Also collect typedefs.
        * pt.c (unify): Strip typedefs.

From-SVN: r145550

	* gcc-interface/utils.c (finish_record_type): Force structural equality
	checks if the record type is discriminated.

From-SVN: r145549

2009-04-04  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-operands.c (pop_stmt_changes): Remove automatic
	renaming code.

From-SVN: r145547

tree-ssa-uncprop.c (associate_equivalences_with_edges): Use last_basic_block for size of bb->index indexed array.

	* tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
	last_basic_block for size of bb->index indexed array.
	* bt-load.c (compute_defs_uses_and_gen, compute_kill,
	compute_out, link_btr_uses, build_btr_def_use_webs,
	build_btr_def_use_webs, migrate_btr_defs): Likewise.

From-SVN: r145546

	* except.c (remove_eh_handler_and_replace): Break out from ...
	(remove_eh_handler): ... here.
	(bring_to_root): New function.
	(remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
	handled ones, bring others to root of tree.

From-SVN: r145545

From-SVN: r145544

	* except.c (remove_eh_handler): Make static.
	(eh_region_must_not_throw_p): Kill.
	(expand_resx_expr): Assertize.
	(duplicate_eh_regions): Accept callback as parameter; comment.
	* except.h (duplicate_eh_regions): New function.
	(remap_decl_v): Kill.
	(copy_cfg_body): Update call of duplicate_eh_regions.

From-SVN: r145542

2009-04-04  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/37614
	* trans-common.c (translate_common): Do not offset the whole
	coomon block.

2009-04-04  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/37614
	* gfortran.dg/common_align_2.f90: New test.

From-SVN: r145541

2009-04-04  Richard Guenther  <rguenther@suse.de>

	* tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
	* tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
	(append_vuse): Likewise.

From-SVN: r145539

	* unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
	* unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
	instead of REG_UNSAVED for DW_CFA_undefined.
	(uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
	(uw_update_context): If RA column is REG_UNDEFINED, mark it as
	outermost frame.

From-SVN: r145535

re PR target/39501 (-O -ffinite-math-only gets min(x,y) optimization wrong for soft-float on arm-*-gnueabi)

	PR target/39501
	* arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
	* testsuite/gcc.c-torture/execute/pr39501.c: New file.
	* testsuite/gcc.c-torture/execute/pr39501.x: New file.

From-SVN: r145534

2009-04-04  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/8781
	PR tree-optimization/37892
	* tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
	* tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
	(valueize_refs): Call it for *& valueizations.
	(shared_reference_ops_from_ref): Rename to ...
	(valueize_shared_reference_ops_from_ref): ... this and valueize.
	(shared_reference_ops_from_call): Rename to ...
	(valueize_shared_reference_ops_from_call): ... this and valueize.
	(vn_reference_lookup): Update.
	(visit_reference_op_call): Likewise.
	* tree-ssa-pre.c (phi_translate_1): Fold *&.
	(eliminate): Value-replace the call address in call statements.

	* g++.dg/tree-ssa/pr8781.C: New testcase.
	* gcc.dg/tree-ssa/ssa-pre-25.c: Likewise.

From-SVN: r145533

re PR tree-optimization/39636 (ICE in gimple_assign_rhs_code, at gimple.h:1837, 435.gromacs fails to build)

2009-04-04  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/39636
	* tree-ssa-forwprop.c
	(forward_propagate_addr_into_variable_array_index): Check for
	GIMPLE_ASSIGN before accessing the rhs code.

	* gcc.c-torture/compile/pr39636.c: New testcase.

From-SVN: r145532

From-SVN: r145531

From-SVN: r145530

	* config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
	truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
	fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
	floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
	fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
	smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
	divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
	umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
	*nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
	*nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
	adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
	smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
	*nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
	*nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
	sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
	Use fr_reg_or_fp01_operand instead of fr_register_operand

	* config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
	recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
	divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.

From-SVN: r145527

From-SVN: r145525

2009-04-03  H.J. Lu  <hongjiu.lu@intel.com>

	* g++.dg/opt/pr39607.C: New.

From-SVN: r145523

Mention

	PR rtl-optimization/39607
	PR rtl-optimization/39631

in ChangeLog for revision 145521.

From-SVN: r145522

2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>

	Revert
	2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
	* reload.c (push_reload, find_dummy_reload): Use df_get_live_out
	instead of DF_LR_OUT.
	* ira-lives.c (process_bb_node_lives): Ditto.
	* ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
	instead of DF_LR_{OUT,IN}.
	* ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
	* ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.

From-SVN: r145521

	* omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
	(execute_lower_omp): Always run but take the short way out if -fopenmp
	is not given.
	(gate_lower_omp): Remove, forcing the pass manager to always run the
	pass and always set PROP_gimple_lomp.
	(pass_lower_omp): Remove gate function.
	* matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
	PROP_trees.  Instead, require it.
	* ipa-cp.c (pass_ipa_cp): Likewise.
	* ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
	(pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
	* tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
	and PROP_gimple_leh.

From-SVN: r145518

2009-04-03  Tobias Burnus  <burnus@net-b.de>

        PR fortran/39594
        * resolve.c (resolve_common_vars): Add FL_VARIABLE to symbol
        if it is not a procedure pointer.
        * primary.c (match_actual_arg): Ditto.

2009-04-03  Tobias Burnus  <burnus@net-b.de>

        PR fortran/39594
        * gfortran.dg/common_12.f90: New.

From-SVN: r145513

        PR c++/39608
        * semantics.c (finish_id_expression): Don't assume a dependent
        member of the current instantiation isn't a valid integral
        constant expression.  Check dependent_scope_p.
        * pt.c (dependent_scope_p): Check TYPE_P.

From-SVN: r145508

2009-04-03  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/2480
	PR tree-optimization/23086
	* gcc.dg/tree-ssa/pr2480.c: New testcase.
	* gcc.dg/tree-ssa/pr23086.c: Likewise.

From-SVN: r145499

2009-04-03  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/34743
	* gcc.dg/pr38984.c: Remove XFAIL, adjust.
	* gcc.dg/tree-ssa/20070302-1.c: Remove XFAIL.
	* gcc.dg/tree-ssa/alias-18.c: Likewise.
	* gcc.dg/tree-ssa/sra-3.c: Likewise.
	* gcc.dg/vect/no-vfa-vect-49.c: Likewise.
	* gcc.dg/vect/no-vfa-vect-53.c: Likewise.
	* gcc.dg/vect/no-vfa-vect-57.c: Likewise.
	* gcc.dg/vect/no-vfa-vect-61.c: Likewise.

From-SVN: r145497

2009-04-03  Richard Guenther  <rguenther@suse.de>

	PR middle-end/13146
	PR tree-optimization/23940
	PR tree-optimization/33237
	PR middle-end/33974
	PR middle-end/34093
	PR tree-optimization/36201
	PR tree-optimization/36230
	PR tree-optimization/38049
	PR tree-optimization/38207
	PR tree-optimization/38230
	PR tree-optimization/38301
	PR tree-optimization/38585
	PR middle-end/38895
	PR tree-optimization/38985
	PR tree-optimization/39299
	* tree-ssa-structalias.h: Remove.
	* tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
	(NULL_DEF_OPERAND_P): Make of type def_operand_p.
	(struct vuse_element_d): Remove.
	(struct vuse_vec_d): Likewise.
	(VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
	VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
	SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
	VUSE_ELEMENT_VAR): Likewise.
	(struct voptype_d): Likewise.
	(NUM_VOP_FREE_BUCKETS): Likewise.
	(struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
	(struct stmt_operands_d): Remove.
	(VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
	VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
	VDEF_NUM, VDEF_VECT): Likewise.
	(copy_virtual_operands): Remove.
	(operand_build_cmp): Likewise.
	(create_ssa_artificial_load_stmt): Likewise.
	(enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
	(struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
	vuse_index and mayuse_index members.  Pack and move done and iter_type
	members to the front.
	(SSA_OP_VMAYUSE): Remove.
	(SSA_OP_VIRTUAL_USES): Adjust.
	(FOR_EACH_SSA_VDEF_OPERAND): Remove.
	(unlink_stmt_vdef): Declare.
	(add_to_addressable_set): Remove.
	* tree-vrp.c (stmt_interesting_for_vrp): Adjust.
	(vrp_visit_stmt): Likewise.
	* doc/tree-ssa.texi (Alias analysis): Update.
	* doc/invoke.texi (max-aliased-vops): Remove docs.
	(avg-aliased-vops): Likewise.
	* tree-into-ssa.c (syms_to_rename): Remove.
	(need_to_update_vops_p): Likewise.
	(need_to_initialize_update_ssa_p): Rename to ...
	(update_ssa_initialized_fn): ... this.  Track function we are
	initialized for.
	(symbol_marked_for_renaming): Simplify.
	(add_new_name_mapping): Do not set need_to_update_vops_p.
	(dump_currdefs): Use SYMS_TO_RENAME.
	(rewrite_update_stmt): Always walk all uses/defs.
	(dump_update_ssa): Adjust.
	(init_update_ssa): Take function argument.  Track what we are
	initialized for.
	(delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
	(create_new_def_for): Initialize for cfun, assert we are initialized
	for cfun.
	(mark_sym_for_renaming): Simplify.
	(mark_set_for_renaming): Do not initialize update-ssa.
	(need_ssa_update_p): Simplify.  Take function argument.
	(name_mappings_registered_p): Assert we ask for the correct function.
	(name_registered_for_update_p): Likewise.
	(ssa_names_to_replace): Likewise.
	(release_ssa_name_after_update_ssa): Likewise.
	(update_ssa): Likewise.  Use SYMS_TO_RENAME.
	(dump_decl_set): Do not print a newline.
	(debug_decl_set): Do it here.
	(dump_update_ssa): And here.
	* tree-ssa-loop-im.c (move_computations): Adjust.
	(movement_possibility): Likewise.
	(determine_max_movement): Likewise.
	(gather_mem_refs_stmt): Likewise.
	* tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
	or NAME_MEMORY_TAG.
	* tree-complex.c (update_all_vops): Remove.
	(expand_complex_move): Adjust.
	* tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
	Simplify test for memory referencing statement.  Exclude
	non-invariant ADDR_EXPRs.
	* tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
	* tree-loop-distribution.c (generate_memset_zero): Adjust.
	(rdg_flag_uses): Likewise.
	* tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
	related code.
	(tree_optimize_tail_calls_1): Also split the
	edge from the entry block if we have degenerate PHI nodes in
	the first basic block.
	* tree.c (init_ttree): Remove memory-tag related code.
	(tree_code_size): Likewise.
	(tree_node_structure): Likewise.
	(build7_stat): Re-write to be build6_stat.
	* tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
	(SSA_VAR_P): Adjust.
	(struct tree_memory_tag): Remove.
	(struct tree_memory_partition_tag): Likewise.
	(union tree_node): Adjust.
	(build7): Re-write to be build6.
	* tree-pass.h (pass_reset_cc_flags): Remove.
	(TODO_update_address_taken): New flag.
	(pass_simple_dse): Remove.
	* ipa-cp.c (ipcp_update_callgraph): Update SSA form.
	* params.h (MAX_ALIASED_VOPS): Remove.
	(AVG_ALIASED_VOPS): Likewise.
	* omp-low.c (expand_omp_taskreg): Update SSA form.
	* tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
	aliases the lhs in a copy stmt.
	* tree-ssa-dse.c (struct address_walk_data): Remove.
	(memory_ssa_name_same): Likewise.
	(memory_address_same): Likewise.
	(get_kill_of_stmt_lhs): Likewise.
	(dse_possible_dead_store_p): Simplify, use the oracle.  Handle
	unused stores.  Look through PHI nodes into post-dominated regions.
	(dse_optimize_stmt): Simplify.  Properly remove stores.
	(tree_ssa_dse): Compute dominators.
	(execute_simple_dse): Remove.
	(pass_simple_dse): Likewise.
	* ipa-reference.c (scan_stmt_for_static_refs): Open-code
	gimple_loaded_syms and gimple_stored_syms computation.
	* toplev.c (dump_memory_report): Dump alias and pta stats.
	* tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
	(vn_reference_eq): Likewise.
	(vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
	copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
	valueize_vuses): Remove.
	(get_def_ref_stmt_vuses): Simplify.  Rename to ...
	(get_def_ref_stmt_vuse): ... this.
	(vn_reference_lookup_2): New function.
	(vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
	walking equivalent vuses.  Simplify.
	(vn_reference_lookup): Likewise.
	(vn_reference_insert): Likewise.
	(vn_reference_insert_pieces): Likewise.
	(visit_reference_op_call): Simplify.
	(visit_reference_op_load): Likewise.
	(visit_reference_op_store): Likewise.
	(init_scc_vn): Remove shared_lookup_vuses initialization.
	(free_scc_vn): Remove shared_lookup_vuses freeing.
	(sort_vuses, sort_vuses_heap): Remove.
	(get_ref_from_reference_ops): Export.
	* tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
	vector with single vuse pointer.
	(vn_reference_lookup_pieces, vn_reference_lookup,
	vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
	(shared_vuses_from_stmt): Remove.
	(get_ref_from_reference_ops): Declare.
	* tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
	* tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
	memory-tag related code.
	* tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
	(likely_value): Add comment, skip static-chain of call statements.
	(surely_varying_stmt_p): Adjust.
	(gimplify_and_update_call_from_tree): Likewise.
	(execute_fold_all_builtins): Do not rebuild alias info.
	(gimplify_and_update_call_from_tree): Properly update VOPs.
	* tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
	(copy_ref_info): Remove memory-tag related code.
	* tree-call-cdce.c (tree_call_cdce): Rename the VOP.
	* ipa-pure-const.c (check_decl): Remove memory-tag related code.
	(check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
	computation.
	* tree-ssa-dom.c (gimple_p): Remove typedef.
	(eliminate_redundant_computations): Adjust.
	(record_equivalences_from_stmt): Likewise.
	(avail_expr_hash): Likewise.
	(avail_expr_eq): Likewise.
	* tree-ssa-propagate.c (update_call_from_tree): Properly
	update VOPs.
	(stmt_makes_single_load): Likewise.
	(stmt_makes_single_store): Likewise.
	* tree-ssa-alias.c: Rewrite completely.
	(debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
	debug_mem_sym_stats, dump_mem_sym_stats_for_var,
	debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
	delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
	dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
	Remove public functions.
	(pass_reset_cc_flags): Remove.
	(pass_build_alias): Move ...
	* tree-ssa-structalias.c (pass_build_alias): ... here.
	* tree-ssa-alias.c (may_be_aliased): Move ...
	* tree-flow-inline.h (may_be_aliased): ... here.
	tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
	count_uses_and_derefs): Move ...
	* gimple.c: ... here.
	* gimple.h (count_uses_and_derefs): Declare.
	* tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
	ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
	same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
	indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
	ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
	call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
	get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
	New functions.
	* tree-dfa.c (refs_may_alias_p): Move ...
	* tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
	* tree-ssa-alias.h: New file.
	* tree-ssa-sink.c (is_hidden_global_store): Adjust.
	(statement_sink_location): Likewise.
	* opts.c (decode_options): Do not adjust max-aliased-vops or
	avg-aliased-vops values.
	* timevar.def (TV_TREE_MAY_ALIAS): Remove.
	(TV_CALL_CLOBBER): Likewise.
	(TV_FLOW_SENSITIVE): Likewise.
	(TV_FLOW_INSENSITIVE): Likewise.
	(TV_MEMORY_PARTITIONING): Likewise.
	(TV_ALIAS_STMT_WALK): New timevar.
	* tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
	* tree-ssa-address.c (create_mem_ref_raw): Use build6.
	(get_address_description): Remove memory-tag related code.
	* tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
	* treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
	* tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
	and immediate uses in statements.  Document.
	* gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
	(dump_symbols): Remove.
	(dump_gimple_mem_ops): Do not dump loaded or stored syms.
	* alias.c (get_deref_alias_set): New function split out from ...
	(get_alias_set): ... here.
	* alias.h (get_deref_alias_set): Declare.
	* tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
	type parameter.  Remove restrict pointer handling.  Create a
	ref-all pointer in case type-based alias sets do not conflict.
	(vect_analyze_data_refs): Remove SMT related code.
	* tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
	(vectorizable_load): Likewise.
	* tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
	(DR_SYMBOL_TAG, DR_VOPS): Remove.
	* tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
	Ignore vops and SMTs.
	(dr_analyze_alias): Likewise..
	(free_data_ref): Likewise.
	(create_data_ref): Likewise.
	(analyze_all_data_dependences): Likewise.
	(get_references_in_stmt): Adjust.
	* tree-flow-inline.h (gimple_aliases_computed_p,
	gimple_addressable_vars, gimple_call_clobbered_vars,
	gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
	factoring_name_p, mark_call_clobbered, clear_call_clobbered,
	compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
	gimple_mem_ref_stats): Remove.
	(gimple_vop): New function.
	(op_iter_next_use): Remove vuses and mayuses cases.
	(op_iter_next_def): Remove vdefs case.
	(op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
	(clear_and_done_ssa_iter): Do not set removed fields.
	(op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
	Assert we are not iterating over vuses or vdefs if not also
	iterating over uses or defs.
	(op_iter_init_use): Likewise.
	(op_iter_init_def): Likewise.
	(op_iter_next_vdef): Remove.
	(op_iter_next_mustdef): Likewise.
	(op_iter_init_vdef): Likewise.
	(compare_ssa_operands_equal): Likewise.
	(link_use_stmts_after): Handle vuse operand.
	(is_call_used): Use is_call_clobbered.
	(is_call_clobbered): Global variables are always call clobbered,
	query the call-clobbers bitmap.
	(mark_call_clobbered): Ignore global variables.
	(clear_call_clobbered): Likewise.
	* tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
	virtual operands sanity check.
	* tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
	Remove.
	(TARGET_MEM_REF): Remove TMR_TAG operand.
	* tree-dfa.c (add_referenced_var): Initialize call-clobber state.
	Remove call-clobber related code.
	(remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
	(dump_variable): Do not dump SMTs, memory stats, may-aliases or
	partitions or escape reason.
	(get_single_def_stmt, get_single_def_stmt_from_phi,
	get_single_def_stmt_with_phi): Remove.
	(dump_referenced_vars): Tidy.
	(get_ref_base_and_extent): Allow bare decls.
	(collect_dfa_stats): Adjust.
	* graphite.c (rename_variables_in_stmt): Adjust.
	(graphite_copy_stmts_from_block): Likewise.
	(translate_clast): Likewise.
	* tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
	(EXPR_DIES): New.
	(translate_vuse_through_block): Use the oracle.
	(phi_translate_1): Adjust.
	(value_dies_in_block_x): Use the oracle.  Cache the outcome
	in EXPR_DIES.
	(valid_in_sets): Check if the VUSE for
	a REFERENCE is available.
	(eliminate): Do not remove stmts during elimination,
	instead queue and remove them afterwards.
	(do_pre): Do not rebuild alias info.
	(pass_pre): Run TODO_rebuild_alias before PRE.
	* tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
	* tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
	(mark_all_v_defs_stmt): Remove.
	(mark_all_v_defs_seq): Adjust.
	(sra_replace): Likewise.
	(scalarize_use): Likewise.
	(scalarize_copy): Likewise.
	(scalarize_init): Likewise.
	(scalarize_ldst): Likewise.
	(todoflags): Remove.
	(tree_sra): Do not rebuild alias info.
	(tree_sra_early): Adjust.
	(pass_sra): Run TODO_update_address_taken before SRA.
	* tree-predcom.c (set_alias_info): Remove.
	(prepare_initializers_chain): Do not call it.
	(mark_virtual_ops_for_renaming): Adjust.
	(mark_virtual_ops_for_renaming_list): Remove.
	(initialize_root_vars): Adjust.
	(initialize_root_vars_lm): Likewise.
	(prepare_initializers_chain): Likewise.
	* tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
	(may_propagate_copy_into_stmt): Likewise.
	(merge_alias_info): Do nothing for now.
	(propagate_tree_value_into_stmt): Adjust.
	(stmt_may_generate_copy): Likewise.
	* tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
	not mark symbols for renaming.
	(forward_propagate_addr_expr): Match up push/pop_stmt_changes
	with the same statement, make sure to update the new pointed-to one.
	* tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
	call statements, do not mark symbols for renaming.
	(mark_operand_necessary): Dump something.
	(ref_may_be_aliased): New function.
	(mark_aliased_reaching_defs_necessary_1): New helper function.
	(mark_aliased_reaching_defs_necessary): Likewise.
	(mark_all_reaching_defs_necessary_1): Likewise.
	(mark_all_reaching_defs_necessary): Likewise.
	(propagate_necessity): Do not process virtual PHIs.  For
	non-aliased loads mark all reaching definitions as necessary.
	For aliased loads and stores mark the immediate dominating
	aliased clobbers as necessary.
	(visited): New global static.
	(perform_tree_ssa_dce): Free visited bitmap after propagating
	necessity.
	(remove_dead_phis): Perform simple dead virtual PHI removal.
	(remove_dead_stmt): Properly unlink virtual operands when
	removing stores.
	(eliminate_unnecessary_stmts): Schedule PHI removal after
	stmt removal.
	* tree-ssa-ter.c (is_replaceable_p): Adjust.
	(process_replaceable): Likewise.
	(find_replaceable_in_bb): Likewise.
	* tree-ssa.c (verify_ssa_name): Verify all VOPs are
	based on the single gimple vop.
	(verify_flow_insensitive_alias_info): Remove.
	(verify_flow_sensitive_alias_info): Likewise.
	(verify_call_clobbering): Likewise.
	(verify_memory_partitions): Likewise.
	(verify_alias_info): Likewise.
	(verify_ssa): Adjust..
	(execute_update_addresses_taken): Export.  Update SSA
	manually.  Optimize only when optimizing.  Use a local bitmap.
	(pass_update_address_taken): Remove TODO_update_ssa, add
	TODO_dump_func.
	(pass_update_address_taken): Just use TODO_update_address_taken.
	(init_tree_ssa): Do not initialize addressable_vars.
	(verify_ssa): Verify new VUSE / VDEF properties.
	Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
	Do not call verify_alias_info.
	(delete_tree_ssa): Clear the VUSE, VDEF operands.
	Do not free the loaded and stored syms bitmaps.  Reset the escaped
	and callused solutions.  Do not free addressable_vars.
	Remove memory-tag related code.
	(warn_uninitialized_var): Aliases are always available.
	* tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
	* lambda-code.c (can_put_in_inner_loop): Adjust.
	(can_put_after_inner_loop): Likewise.
	(perfect_nestify): Likewise.
	* tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
	(vect_gen_widened_results_half): Remove CALL_EXPR handling.
	(vectorizable_conversion): Do not mark symbols for renaming.
	* tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
	(expand_call_inline): Unlink the calls virtual operands before
	replacing it.
	(tree_function_versioning): Do not call update_ssa if we are not
	updating clones.  Simplify.
	* tree-ssa-phiprop.c (phivn_valid_p): Adjust.
	(propagate_with_phi): Likewise..
	* tree-outof-ssa.c (create_temp): Remove memory tag and call
	clobber code.  Assert we are not aliased or global.
	* tree-flow.h: Include tree-ssa-alias.h
	(enum escape_type): Remove.
	(struct mem_sym_stats_d): Likewise.
	(struct mem_ref_stats_d): Likewise.
	(struct gimple_df): Add vop member.  Remove global_var,
	call_clobbered_vars, call_used_vars, addressable_vars,
	aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
	escaped and callused members.
	(struct ptr_info_def): Remove all members, add points-to solution
	member pt.
	(struct var_ann_d): Remove in_vuse_list, in_vdef_list,
	call_clobbered, escape_mask, mpt and symbol_mem_tag members.
	* Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
	(tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
	(tree-ssa-alias.o): Likewise.
	(toplev.o): Add tree-ssa-alias.h
	(GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
	* gimple.c (gimple_set_bb): Fix off-by-one error.
	(is_gimple_reg): Do not handle memory tags.
	(gimple_copy): Also copy virtual operands.
	Delay updating the statement.  Do not reset loaded and stored syms.
	(gimple_set_stored_syms): Remove.
	(gimple_set_loaded_syms): Likewise.
	(gimple_call_copy_skip_args): Copy the virtual operands
	and mark the new statement modified.
	* tree-ssa-structalias.c (may_alias_p): Remove.
	(set_uids_in_ptset): Take the alias set to prune with as
	parameter.  Fold in the alias test of may_alias_p.
	(compute_points_to_sets): Compute whether a ptr is dereferenced
	in a local sbitmap.
	(process_constraint): Deal with &ANYTHING on the lhs, reject all
	other ADDRESSOF constraints on the lhs.
	(get_constraint_for_component_ref): Assert that we don't get
	ADDRESSOF constraints from the base of the reference.
	Properly generate UNKNOWN_OFFSET for DEREF if needed.
	(struct variable_info): Remove collapsed_to member.
	(get_varinfo_fc): Remove.
	(new_var_info): Do not set collapsed_to.
	(dump_constraint): Do not follow cycles.
	(dump_constraint_graph): Likewise.
	(build_pred_graph): Likewise.
	(build_succ_graph): Likewise.
	(rewrite_constraints): Likewise.
	(do_simple_structure_copy): Remove.
	(do_rhs_deref_structure_copy): Remove.
	(do_lhs_deref_structure_copy): Remove.
	(collapse_rest_of_var): Remove.
	(do_structure_copy): Re-implement.
	(pta_stats): New global variable.
	(dump_pta_stats): New function.
	(struct constraint_expr): Make offset signed.
	(UNKNOWN_OFFSET): Define special value.
	(dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
	(solution_set_expand): New helper function split out from ...
	(do_sd_constraint): ... here.
	(solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
	(do_ds_constraint): Likewise.
	(do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
	and CALLUSED = *CALLUSED.
	(set_union_with_increment): Make inc argument signed.
	(type_safe): Remove.
	(get_constraint_for_ptr_offset): Handle unknown and negative
	constant offsets.
	(first_vi_for_offset): Handle offsets before start.  Bail
	out early for offsets beyond the variable extent.
	(first_or_preceding_vi_for_offset): New function.
	(init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
	Together with ESCAPED = *ESCAPED this properly computes reachability.
	(find_what_var_points_to): New function.
	(find_what_p_points_to): Implement in terms of find_what_var_points_to.
	(pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
	pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
	pt_solutions_intersect): New functions.
	(compute_call_used_vars): Remove.
	(compute_may_aliases): New main entry into PTA computation.
	* gimple.h (gimple_p): New typedef.
	(struct gimple_statement_base): Remove references_memory_p.
	(struct gimple_statement_with_memory_ops_base): Remove
	vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
	members.
	(gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
	gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
	gimple_set_references_memory): Remove.
	(gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
	gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
	New functions.
	* tree-cfg.c (move_block_to_fn): Fix off-by-one error.
	(verify_expr): Allow RESULT_DECL.
	(gimple_duplicate_bb): Do not copy virtual operands.
	(gimple_duplicate_sese_region): Adjust.
	(gimple_duplicate_sese_tail): Likewise.
	(mark_virtual_ops_in_region): Remove.
	(move_sese_region_to_fn): Do not call it.
	* passes.c (init_optimization_passes): Remove pass_reset_cc_flags
	and pass_simple_dse.
	(execute_function_todo): Handle TODO_update_address_taken,
	call execute_update_addresses_taken for TODO_rebuild_alias.
	(execute_todo): Adjust.
	(execute_one_pass): Init dump files early.
	* ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
	call-clobbered.
	(create_general_new_stmt): Clear vops.
	* tree-ssa-reassoc.c (get_rank): Adjust.
	* tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
	symbols for renaming.
	* params.def (PARAM_MAX_ALIASED_VOPS): Remove.
	(PARAM_AVG_ALIASED_VOPS): Likewise.
	* tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
	(duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
	* tree-ssa-operands.c: Simplify for new virtual operand
	representation.
	(operand_build_cmp, copy_virtual_operands,
	create_ssa_artificial_load_stmt, add_to_addressable_set,
	gimple_add_to_addresses_taken): Remove public functions.
	(unlink_stmt_vdef): New function.

	* gcc.dg/pr19633-1.c: Adjust.
	* gcc.dg/torture/pta-callused-1.c: Likewise.
	* gcc.dg/torture/pr39074-2.c: Likewise.
	* gcc.dg/torture/pr39074.c: Likewise.
	* gcc.dg/torture/pta-ptrarith-3.c: New testcase.
	* gcc.dg/torture/pr30375.c: Adjust.
	* gcc.dg/torture/pr33563.c: Likewise.
	* gcc.dg/torture/pr33870.c: Likewise.
	* gcc.dg/torture/pr33560.c: Likewise.
	* gcc.dg/torture/pta-structcopy-1.c: New testcase.
	* gcc.dg/torture/ssa-pta-fn-1.c: Likewise.
	* gcc.dg/tree-ssa/alias-15.c: Remove.
	* gcc.dg/tree-ssa/ssa-dce-4.c: New testcase.
	* gcc.dg/tree-ssa/pr26421.c: Adjust.
	* gcc.dg/tree-ssa/ssa-fre-10.c: XFAIL.
	* gcc.dg/tree-ssa/ssa-dce-5.c: New testcase.
	* gcc.dg/tree-ssa/pr23382.c: Adjust.
	* gcc.dg/tree-ssa/ssa-fre-20.c: New testcase.
	* gcc.dg/tree-ssa/alias-16.c: Adjust.
	* gcc.dg/tree-ssa/ssa-fre-13.c: Likewise.
	* gcc.dg/tree-ssa/ssa-fre-14.c: Likewise.
	* gcc.dg/tree-ssa/alias-18.c: Likewise.
	* gcc.dg/tree-ssa/ssa-fre-15.c: Likewise.
	* gcc.dg/tree-ssa/ssa-lim-3.c: Likewise.
	* gcc.dg/tree-ssa/alias-19.c: Likewise.
	* gcc.dg/tree-ssa/pta-ptrarith-1.c: New testcase.
	* gcc.dg/tree-ssa/pr13146.c: Likewise.
	* gcc.dg/tree-ssa/ssa-pre-23.c: Likewise.
	* gcc.dg/tree-ssa/pta-ptrarith-2.c: Likewise.
	* gcc.dg/tree-ssa/ssa-fre-18.c: Likewise.
	* gcc.dg/tree-ssa/ssa-pre-24.c: New XFAILed testcase.
	* gcc.dg/tree-ssa/ssa-fre-19.c: New testcase.
	* gcc.dg/tree-ssa/alias-20.c: Likewise.
	* gcc.dg/tree-ssa/ssa-dse-12.c: Likewise.
	* gcc.dg/tree-ssa/pr38895.c: Likewise.
	* gcc.dg/uninit-B.c: XFAIL.
	* gcc.dg/vect/no-vfa-vect-43.c: Adjust.
	* gcc.dg/uninit-pr19430.c: XFAIL.
	* g++.dg/tree-ssa/pr13146.C: New testcase.
	* g++.dg/opt/pr36187.C: Adjust.
	* g++.dg/torture/20090329-1.C: New testcase.

From-SVN: r145494

2009-04-03  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/tr1_impl/random: Remove, empty.
	* include/tr1_impl/random.tcc: Likewise.

	* include/std/random: Minor clean-ups, formatting fixes, adjust
	copyright years.
	* include/bits/random.tcc: Likewise.
	* include/bits/random.h: Likewise.
	* include/tr1/random: Likewise.
	* include/tr1/random.tcc: Likewise.
	* include/tr1/random.h: Likewise.

From-SVN: r145493

From-SVN: r145490

From-SVN: r145487