tree-ssa-structalias.c (struct variable_info): Add pointer to the first field of an aggregate with sub-vars.

2013-03-20  Richard Biener  <rguenther@suse.de>

	* tree-ssa-structalias.c (struct variable_info): Add pointer
	to the first field of an aggregate with sub-vars.  Make
	this and the pointer to the next subfield its ID.
	(vi_next): New function.
	(nothing_id, anything_id, readonly_id, escaped_id, nonlocal_id,
	storedanything_id, integer_id): Increment by one.
	(new_var_info, get_call_vi, lookup_call_clobber_vi,
	get_call_clobber_vi): Adjust.
	(solution_set_expand): Simplify and speedup.
	(solution_set_add): Inline into ...
	(set_union_with_increment): ... this.  Adjust accordingly.
	(do_sd_constraint): Likewise.
	(do_ds_constraint): Likewise.
	(do_complex_constraint): Simplify.
	(build_pred_graph): Adjust.
	(solve_graph): Likewise.  Simplify and speedup.
	(get_constraint_for_ssa_var, get_constraint_for_ptr_offset,
	get_constraint_for_component_ref, get_constraint_for_1,
	first_vi_for_offset, first_or_preceding_vi_for_offset,
	create_function_info_for, create_variable_info_for_1,
	create_variable_info_for, intra_create_variable_infos): Adjust.
	(init_base_vars): Push NULL for ID zero.
	(compute_points_to_sets): Adjust.

From-SVN: r196812

2013-03-20  Richard Biener  <rguenther@suse.de>

	* cfgloop.c (verify_loop_structure): Streamline and avoid
	ICEing on corrupt loop tree.
	* graph.c (draw_cfg_nodes_for_loop): Avoid ICEing on corrupt
	loop tree.

From-SVN: r196811

2013-03-20  Richard Biener  <rguenther@suse.de>

	* tree-vect-loop-manip.c (slpeel_can_duplicate_loop_p): Do not
	check whether an SSA update is needed.

From-SVN: r196810

gcc/
	* config/mips/constraints.md (T): Rename to...
	(Yf): ...this.
	(U): Rename to...
	(Yd): ...this.
	* config/mips/mips.md (*movdi_64bit, *movdi_64bit_mips16)
	(*mov<mode>_internal, *mov<mode>_mips16): Update accordingly.

From-SVN: r196807

2013-03-20  Tilo Schwarz  <tilo@tilo-schwarz.de>

        PR libfortran/51825
        * io/list_read.c (nml_read_obj): Don't end the component loop on
        a nested derived type, but continue with the next loop iteration.
        (nml_get_obj_data): Don't move the first_nl pointer further in
        the list if a qualifier was found.

2013-03-20  Tilo Schwarz  <tilo@tilo-schwarz.de>

        PR libfortran/51825
        * gcc/testsuite/gfortran.dg/namelist_77.f90: New.
        * gcc/testsuite/gfortran.dg/namelist_78.f90: New.

From-SVN: r196806

2013-03-20  Tilo Schwarz  <tilo@tilo-schwarz.de>

        PR libfortran/48618
        * io/open.c (st_open): Raise error for unit number < 0 only if
        unit number does not exist already.

2013-03-20  Tilo Schwarz  <tilo@tilo-schwarz.de>

        PR libfortran/48618
        * gfortran.dg/open_negative_unit_1.f90: New.

From-SVN: r196805

From-SVN: r196804

From-SVN: r196800

From-SVN: r196799

From-SVN: r196797

From-SVN: r196796

From-SVN: r196795

2013-03-19  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56273
	* passes.c (init_optimization_passes): Move second VRP after DOM.

	* gcc.dg/tree-ssa/vrp47.c: Adjust.
	* c-c++-common/uninit-17.c: Likewise.

From-SVN: r196792

2013-03-19  Janne Blomqvist  <jb@gcc.gnu.org>

	* libgfortran.h: Include stdbool.h.
	(enum try): Remove.
	(notify_std): Change return type to bool.
	* intrinsics/chmod.c: Don't include stdbool.h.
	* intrinsics/execute_command_line.c: Likewise.
	* io/format.c: Likewise.
	* io/list_read.c (nml_parse_qualifier): Change return type to bool.
	(nml_read_obj): Likewise.
	(nml_get_obj_data): Likewise.
	* io/transfer.c (read_block_form): Fix comment.
	(write_buf): Change return type to bool.
	* io/write.c: Don't include stdbool.h.
	* io/write_float.def (output_float): Change return type to bool.
	(output_float_FMT_G_ ## x): Change type of result variable.
	* runtime/error.c (notify_std): Change return type to bool.

From-SVN: r196791

filenames.

From-SVN: r196790

From-SVN: r196789

From-SVN: r196788

	* config/i386/i386.md (*movti_internal): Merge from
	*movti_internal_rex64 and *movti_internal_sse.  Use x64 isa attribute.
	(*movdi_internal): Merge with *movdi_internal_rex64.  Use x64 and
	nox64 isa attributes.

From-SVN: r196784

2013-03-18  Richard Biener  <rguenther@suse.de>

	* tree-ssa-structalias.c (find): Use gcc_checking_assert.
	(unite): Likewise.
	(merge_node_constraints): Likewise.
	(build_succ_graph): Likewise.
	(valid_graph_edge): Inline into single caller.
	(unify_nodes): Likewise.  Use bitmap_set_bit return value
	and cache varinfo.
	(scc_visit): Fix formatting and variable use.
	(do_sd_constraint): Use gcc_checking_assert.
	(do_ds_constraint): Likewise.
	(do_complex_constraint): Likewise.
	(condense_visit): Likewise.  Cleanup.
	(dump_pred_graph): New function.
	(perform_var_substitution): Dump the pred-graph before
	variable substitution.
	(find_equivalent_node): Use gcc_checking_assert.
	(rewrite_constraints): Guard checking loop with ENABLE_CHECKING.

From-SVN: r196783

tree-vect-loop-manip.c (vect_create_cond_for_alias_checks): Remove cond_expr_stmt_list argument and do not gimplify the built expression.

2013-03-18  Richard Biener  <rguenther@suse.de>

	* tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
	Remove cond_expr_stmt_list argument and do not gimplify the
	built expression.
	(vect_loop_versioning): Adjust.
	* tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref):
	Cleanup to use less temporaries.
	(vect_create_data_ref_ptr): Cleanup.

From-SVN: r196782

re PR tree-optimization/56635 (internal compiler error: in find_lattice_value, at tree-complex.c:15)

	PR tree-optimization/56635
	* fold-const.c (operand_equal_p): For MEM_REF and TARGET_MEM_REF,
	require types_compatible_p types.

	* g++.dg/torture/pr56635.C: New test.

From-SVN: r196781

	* config/stormy16/stormy16.c (xstormy16_expand_prologue): Remove
	spurious backslash.

From-SVN: r196779

	* config/mn10300/mn10300.c (mn10300_get_live_callee_saved_regs):
	Add missing line to comment describing function.

From-SVN: r196778

2013-03-18  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56210
	* tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
	Handle string / character search functions.
	* tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Likewise.

From-SVN: r196777

2013-03-18  Richard Biener  <rguenther@suse.de>

	PR middle-end/56483
	* cfgexpand.c (expand_gimple_cond): Inline gimple_cond_single_var_p
	and implement properly.
	* gimple.h (gimple_cond_single_var_p): Remove.

From-SVN: r196776

2013-03-18  Richard Biener  <rguenther@suse.de>

	* tree-data-ref.h (find_data_references_in_loop): Declare.
	* tree-data-ref.c (get_references_in_stmt): Use a stack
	vector pre-allocated in the callers.
	(find_data_references_in_stmt): Adjust.
	(graphite_find_data_references_in_stmt): Likewise.
	(create_rdg_vertices): Likewise.
	(find_data_references_in_loop): Export.
	* tree-vect-data-refs.c (vect_analyze_data_ref_dependences):
	Compute dependences here...
	(vect_analyze_data_refs): ...not here.  When we encounter
	a non-vectorizable data reference in basic-block vectorization
	truncate the data reference vector.  Do not bother to
	fixup data-dependence information for gather loads.
	* tree-vect-slp.c (vect_slp_analyze_bb_1): Check the number
	of data references, as reported.

From-SVN: r196775

2013-03-18  Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/55977 (partial, std::vector and std::deque bits)
	* include/bits/stl_vector.h (_M_range_initialize(_InputIterator,
	_InputIterator, std::input_iterator_tag)): Use emplace_back.
	* include/bits/deque.tcc (_M_range_initialize(_InputIterator,
	_InputIterator, std::input_iterator_tag)): Likewise.
	* testsuite/23_containers/vector/cons/55977.cc: New.
	* testsuite/23_containers/deque/cons/55977.cc: Likewise.
	* testsuite/23_containers/vector/requirements/dr438/assign_neg.cc:
	Adjust dg-error line number.
	* testsuite/23_containers/vector/requirements/dr438/insert_neg.cc:
	Likewise.

From-SVN: r196774

2013-03-18  Tobias Burnus  <burnus@net-b.de>

        * gfortran.h (gfc_option_t): Remove flag_whole_file.
        * invoke.texi (-fno-whole-file): Remove.
        * lang.opt (fwhole-file): Change to Ignore.
        * options.c (gfc_init_options, gfc_post_options,
        gfc_handle_option): Remove !flag_whole_file handling
        * parse.c (resolve_all_program_units,
        * translate_all_program_units,
        gfc_parse_file): Ditto.
        * resolve.c (resolve_global_procedure): Ditto.
        * trans-decl.c (gfc_get_symbol_decl,
        * gfc_get_extern_function_decl,
        gfc_create_module_variable): Ditto.
        * trans-types.c (gfc_get_derived_type): Ditto.

From-SVN: r196773

2013-03-18  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/3713
	* tree-ssa-sccvn.c (visit_copy): Simplify.  Always propagate
	has_constants and expr.
	(stmt_has_constants): Properly valueize SSA names when deciding
	whether the stmt has constants.

	* g++.dg/ipa/devirt-12.C: New testcase.

From-SVN: r196771

tree-ssa-loop-manip.c (find_uses_to_rename): Do not scan the whole function when there is nothing to do.

2013-03-18  Richard Biener  <rguenther@suse.de>

	* tree-ssa-loop-manip.c (find_uses_to_rename): Do not scan the
	whole function when there is nothing to do.
	* tree-ssa-loop.c (pass_vectorize): Remove TODO_update_ssa.
	* tree-vectorizer.c (vectorize_loops): Update virtual and
	loop-closed SSA once.
	* tree-vect-loop.c (vect_transform_loop): Do not update SSA here.

From-SVN: r196770

2013-03-18  Richard Biener  <rguenther@suse.de>

	PR middle-end/56113
	* domwalk.c (bb_postorder): New global static.
	(cmp_bb_postorder): New function.
	(walk_dominator_tree): Replace scheme imposing an order for
	visiting dominator sons by one sorting them at the time they
	are pushed on the stack.

From-SVN: r196769

2013-03-18  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/39326
	* tree-ssa-loop-im.c (refs_independent_p): Exploit symmetry.
	(struct mem_ref): Replace mem member with ao_ref typed member.
	(MEM_ANALYZABLE): Adjust.
	(memref_eq): Likewise.
	(mem_ref_alloc): Likewise.
	(gather_mem_refs_stmt): Likewise.
	(mem_refs_may_alias_p): Use the ao_ref to query the alias oracle.
	(execute_sm_if_changed_flag_set): Adjust.
	(execute_sm): Likewise.
	(ref_always_accessed_p): Likewise.
	(refs_independent_p): Likewise.
	(can_sm_ref_p): Likewise.

From-SVN: r196768

	PR c/56566
	* tree.c (tree_int_cst_min_precision): For integer_zerop (value)
	return 1 even for !unsignedp.

	* c-c++-common/pr56566.c: New test.

From-SVN: r196767

re PR c++/54359 ([C++0x] decltype in member function's trailing return type when defined outside of class)

	PR c++/54359
	PR c++/56639
	* parser.c (cp_parser_direct_declarator): Bail if we see a
	qualified-id not at namespace scope.

From-SVN: r196765

From-SVN: r196764

From-SVN: r196762

re PR c++/17232 ([DR 1640] classes and class template specializations treated differently w.r.t. core issue #337)

	PR c++/17232
	PR c++/56642
	* typeck2.c (abstract_virtuals_error_sfinae): Revert complete_type
	change for now.

From-SVN: r196758

	* config/i386/i386.md (isa): Add x64 and nox64.
	(enabled): Define x64 for TARGET_64BIT and nox64 for !TARGET_64BIT.
	(*pushtf): Enable *roF alternative for x64 isa only.
	(*pushxf): Merge with *pushxf_nointeger.  Use Yx*r constraint. Set
	mode attribute of integer alternatives to DImode for TARGET_64BIT.
	(*pushdf): Merge with *pushdf_rex64.  Use x64 and nox64 isa attributes.
	(*movtf_internal): Merge from *movtf_internal_rex64 and
	*movtf_internal_sse.  Use x64 and nox64 isa attributes.
	(*movxf_internal): Merge with *movxf_internal_rex64.  Use x64 and
	nox64 isa attributes.
	(*movdf_internal): Merge with *movdf_internal_rex64.  Use x64 and
	nox64 isa attributes.
	* config/i386/constraints.md (Yd): Do not set for TARGET_64BIT.

From-SVN: r196757

	* config/alpha/alpha.c (TARGET_LRA_P): New define.

From-SVN: r196756

re PR libstdc++/55979 ([C++11] std::list range construction imposes unnecessary conversion constraints)

2013-03-17  Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/55979
	* include/bits/stl_list.h (_M_initialize_dispatch(_InputIterator,
	_InputIterator, __false_type)): Use emplace_back.
	* testsuite/23_containers/list/cons/55979.cc: New.
	* testsuite/23_containers/list/modifiers/1.h: Adjust.
	* testsuite/23_containers/list/requirements/dr438/assign_neg.cc:
	Adjust dg-error line number.

From-SVN: r196755