2014-11-14  Vladimir Makarov  <vmakarov@redhat.com>

	* lra-int.h (lra_create_live_ranges): Add parameter.
	* lra-lives.c (temp_bitmap): Move higher.
	(initiate_live_solver): Move temp_bitmap initialization into
	lra_live_ranges_init.
	(finish_live_solver): Move temp_bitmap clearing into
	live_ranges_finish.
	(process_bb_lives): Add parameter.  Use it to control live info
	update and dead insn elimination.  Pass it to mark_regno_live and
	mark_regno_dead.
	(lra_create_live_ranges): Add parameter.  Pass it to
	process_bb_lives.
	(lra_live_ranges_init, lra_live_ranges_finish): See changes in
	initiate_live_solver and finish_live_solver.
	* lra-remat.c (do_remat): Process insn non-operand hard regs too.
	Use temp_bitmap to update avail_cands.
	* lra.c (lra): Pass new parameter to lra_create_live_ranges.  Move
	check with lra_need_for_spill_p after live range pass.  Switch on
	rematerialization pass.

From-SVN: r217588

2014-11-14  Martin Jambor  <mjambor@suse.cz>

	* ipa-prop.h (ipa_get_jf_pass_through_type_preserved): use
	agg_preserved flag instead.
	(ipa_get_jf_ancestor_type_preserved): Likewise.
	(ipa_node_params): Rename known_vals to known_csts, update all users.
	New field known_contexts.
	(ipa_get_indirect_edge_target): Update prototype.
	(ipcp_poly_ctx_values_pool): Declare.
	(ipa_context_from_jfunc): Likewise.
	* ipa-inline.h (estimate_ipcp_clone_size_and_time): Updated prototype.
	* cgraph.h (ipa_polymorphic_call_context): New method equal_to.  New
	parameter newline of method dump.
	* ipa-cp.c (ctxlat): New field.
	(ipcp_values_pool): Renamed to ipcp_cst_values_pool, updated all users.
	(ipcp_poly_ctx_values_pool):New variable.
	(ipa_get_poly_ctx_lat): New function.
	(print_ipcp_constant_value): New overloaded function for contexts.
	(print_all_lattices): Also print contexts.
	(ipa_topo_info): New field contexts;
	(set_all_contains_variable): Also set the flag in the context lattice.
	(initialize_node_lattices): Likewise for flag bottom.
	(ipa_get_jf_ancestor_result): Removed BINFO handling.
	(ipa_value_from_jfunc): Likewise.
	(ipa_context_from_jfunc): New function.
	(values_equal_for_ipcp_p): New overloaded function for contexts.
	(allocate_and_init_ipcp_value): Construct the value.
	(allocate_and_init_ipcp_value): New overloaded function for contexts.
	(propagate_scalar_accross_jump_function): Removed handling of
	KNOWN_TYPE jump functions.
	(propagate_context_accross_jump_function): New function.
	(propagate_constants_accross_call): Also propagate contexts.
	(ipa_get_indirect_edge_target_1): Work on contexts rather than BINFOs.
	(ipa_get_indirect_edge_target): Likewise.
	(devirtualization_time_bonus): Likewise.
	(gather_context_independent_values): Create and populate known_contexts
	vector rather than known_binfos.
	(perform_estimation_of_a_value): Work on contexts rather than BINFOs.
	(estimate_local_effects): Likewise.
	(add_all_node_vals_to_toposort): Also add contexts to teir topological
	sort.
	(ipcp_propagate_stage): Also propagate effects of contexts.
	(ipcp_discover_new_direct_edges): Receive and pass known_contexts to
	ipa_get_indirect_edge_target_1.
	(cgraph_edge_brings_value_p): New overloaded function for contexts.
	(create_specialized_node): Work on contexts rather than BINFOs.
	(find_more_contexts_for_caller_subset): New function.
	(known_contexts_useful_p): New function.
	(copy_useful_known_contexts): Likewise.
	(modify_known_vectors_with_val): Likewise.
	(ipcp_val_in_agg_replacements_p): Renamed to
	ipcp_val_agg_replacement_ok_p, return true for all offset indicating
	non-aggregate.
	(ipcp_val_agg_replacement_ok_p): New overloaded function for contexts.
	(decide_about_value): Work on contexts rather than BINFOs.
	(decide_whether_version_node): Likewise.
	(ipcp_driver): Initialize the new alloc pool.
	* ipa-prop.c (ipa_print_node_jump_functions_for_edge): Prettify
	printing of edge contexts.
	(ipa_set_ancestor_jf): Replace assert with conditional setting of
	type_preserved to false.
	(update_jump_functions_after_inlining): Use access function instead of
	reading agg_preserved directly.  Store combined context in the ancestor
	case.
	(try_make_edge_direct_virtual_call): Work on contexts rather than
	BINFOs.
	(update_indirect_edges_after_inlining): Get context from
	ipa_context_from_jfunc.
	(ipa_free_node_params_substructures): Free also known_contexts.
	(ipa_free_all_structures_after_ipa_cp): Free the new alloc pool.
	(ipa_free_all_structures_after_iinln): Likewise.
	* ipa-inline-analysis.c (evaluate_properties_for_edge): Work on
	contexts rather than BINFOs.
	(estimate_edge_devirt_benefit): Likewise.
	(estimate_edge_size_and_time): Likewise.
	(estimate_calls_size_and_time): Likewise.
	(estimate_node_size_and_time): Likewise.
	(estimate_ipcp_clone_size_and_time): Likewise.
	(do_estimate_edge_time): Likewise.
	(do_estimate_edge_size): Likewise.
	(do_estimate_edge_hints): Likewise.
	* ipa-polymorphic-call.c (ipa_polymorphic_call_context::dump): New
	parameter newline, ouput newline only when it is set.
	(ipa_polymorphic_call_context::equal_to): New method.

testsuite/
	* g++.dg/ipa/devirt-11.C: Dont't run ipa-cp, remove times constraint
	from the dump scan.
	* g++.dg/ipa/devirt-21.C: Xfail.
	* g++.dg/ipa/devirt-24.C: Likewise.
	* g++.dg/ipa/devirt-10.C: Removed times constraint from the dump scan.
	* g++.dg/ipa/devirt-41.C: Updated the dump scan.
	* g++.dg/ipa/devirt-44.C: Likewise.
	* g++.dg/ipa/devirt-43.C: Xfail.

From-SVN: r217587

2014-11-14  Martin Jambor  <mjambor@suse.cz>

	* ipa-cp.c (ipcp_value_source): Converted to a template class.  All
	users converted to the same specialization as the using class/function
	or specialization on tree.
	(ipcp_value): Likewise.
	(ipcp_lattice): Likewise.
	(ipcp_agg_lattice): Now derived from tree specialization of
	ipcp_lattice.
	(values_topo): Moved to new class value_topo_info.
	(ipa_lat_is_single_const): Turned into ipcp_lattice::is_single_const.
	Updated all callers.
	(print_lattice): Turned into ipcp_lattice::print.  Updated all
	callers.
	(value_topo_info): New class template.
	(ipa_topo_info): New field constants.  New constructor.
	(build_toporder_info): Do not clear stack_top, only checkign assert
	it.
	(set_lattice_to_bottom): Turned into ipcp_lattice::set_to_bottom.
	Updated all callers.
	(set_lattice_contains_variable): Turned into
	ipcp_lattice::set_contains_variable.  Updated all callers.
	(add_value_source): Turned into ipcp_value::add_source.  Updated all
	callers.
	(allocate_and_init_ipcp_value): New function.
	(add_value_to_lattice): Turned into ipcp_lattice::add_value.  Last
	parameter got default a value.  Updated all callers.
	(add_scalar_value_to_lattice): Removed, users converted to using
	ipcp_lattice::add_value with default value of the last parameter.
	(add_val_to_toposort): Turned to value_topo_info::add_val.  Updated
	all callers.
	(propagate_effects): Made method of value_topo_info.
	(cgraph_edge_brings_value_p): Now a template function.
	(get_info_about_necessary_edges): Likewise.
	(gather_edges_for_value): Likewise.
	(perhaps_add_new_callers): Likewise.
	(decide_about_value): Likewise.
	* ipa-prop.h (ipcp_lattice): Remove fowrward declaration.

From-SVN: r217586

From-SVN: r217585

	* tree-ssa.dce.c (eliminate_unnecessary_stmts): Eliminate
	IFN_GOMP_SIMD_LANE without lhs as useless.

From-SVN: r217584

Different compilers may have different release cadences or ABI
incompatibilities, so it does not make sense to use the same library
name for runtime libraries intended for different compilers.

This CL causes a libgo built by llgo to receive the name libgo-llgo.
Likewise, libgobegin is named libgobegin-llgo.

From-SVN: r217583

	* ipa-pure-const.c (struct funct_state_d): Add can_free field.
	(varying_state): Add true for can_free.
	(check_call): For builtin or internal !nonfreeing_call_p set
	local->can_free.
	(check_stmt): For asm volatile and asm with "memory" set
	local->can_free.
	(analyze_function): Clear local->can_free initially, continue
	calling check_stmt until all flags are computed, dump can_free
	flag.
	(pure_const_write_summary): Write can_free flag.
	(pure_const_read_summary): Read it back.
	(propagate_pure_const): Propagate also can_free flag, set
	w->nonfreeing_fn if it is false after propagation.
	* cgraph.h (cgraph_node): Add nonfreeing_fn member.
	* gimple.c: Include ipa-ref.h, lto-streamer.h and cgraph.h.
	(nonfreeing_call_p): Return cgraph nonfreeing_fn flag if set.
	Also return true for IFN_ABNORMAL_DISPATCHER.
	* cgraph.c (cgraph_node::dump): Dump nonfreeing_fn flag.
	* lto-cgraph.c (lto_output_node): Write nonfreeing_fn flag.
	(input_overwrite_node): Read it back.

From-SVN: r217582

	* sanopt.c: Include tree-ssa-operands.h.
	(struct sanopt_info): Add has_freeing_call_p,
	has_freeing_call_computed_p, imm_dom_path_with_freeing_call_p,
	imm_dom_path_with_freeing_call_computed_p, freeing_call_events,
	being_visited_p fields.
	(struct sanopt_ctx): Add asan_check_map field.
	(imm_dom_path_with_freeing_call, maybe_optimize_ubsan_null_ifn,
	maybe_optimize_asan_check_ifn): New functions.
	(sanopt_optimize_walker): Use them, optimize even ASAN_CHECK
	internal calls.
	(pass_sanopt::execute): Call sanopt_optimize even for
	-fsanitize=address.
	* gimple.c (nonfreeing_call_p): Return true for non-ECF_LEAF
	internal calls.

Co-Authored-By: Marek Polacek <polacek@redhat.com>

From-SVN: r217581

	* tree-vect-loop.c (vect_create_epilog_for_reduction): Move code for
	'if (extract_scalar_result)' to the only place that it is true.

From-SVN: r217580

	* libgomp.c/examples-4/e.54.2.c (main): Use N / 8 instead
	of 32 as block_size.
	* libgomp.fortran/examples-4/e.54.2.f90 (e_54_1): Use n / 8
	instead of 32 as block_size.

From-SVN: r217579

	(DW_AT_APPLE_isa, DW_AT_APPLE_block)
	(DW_AT_APPLE_major_runtime_vers, DW_AT_APPLE_runtime_class)
	(DW_AT_APPLE_omit_frame_ptr, DW_AT_APPLE_property_name)
	(DW_AT_APPLE_property_getter, DW_AT_APPLE_property_setter)
	(DW_AT_APPLE_property_attribute, DW_AT_APPLE_objc_complete_type)
	(DW_AT_APPLE_property): New macros.

From-SVN: r217578

2014-11-14  Paolo Carlini  <paolo.carlini@oracle.com>

	* semantics.c (end_maybe_infinite_loop): Use fold_non_dependent_expr.
	* parser.c (cp_parser_omp_clause_collapse): Likewise.
	(cp_parser_enumerator_definition): Don't call
	instantiate_non_dependent_expr...
	* decl.c (build_enumerator): ... call fold_non_dependent_expr here.
	* typeck2.c (massage_init_elt): Use fold_non_dependent_expr.
	* constexpr.c (maybe_constant_value): Allow VIEW_CONVERT_EXPR in
	the final gcc_assert.

	* constexpr.c (fold_non_dependent_expr): Add.
	* cp-tree.h (fold_non_dependent_expr): Declare it.
	* call.c (null_ptr_cst_p): Use it.
	* pt.c (tsubst_copy_and_build, build_non_dependent_expr): Likewise.
	* semantics.c (begin_maybe_infinite_loop): Likewise.
	* typeck.c (cp_build_binary_op): Likewise.
	* typeck2.c (check_narrowing): Likewise.

	* pt.c (fold_non_dependent_expr): Rename to
	instantiate_non_dependent_expr.
	(fold_non_dependent_expr_sfinae): Rename to
	instantiate_non_dependent_expr_sfinae.
	(convert_nontype_argument, build_non_dependent_expr): Adjust.
	* decl.c (compute_array_index_type): Likewise.
	* parser.c (cp_parser_parenthesized_expression_list,
	cp_parser_enumerator_definition, cp_parser_omp_clause_collapse):
	Likewise.
	* semantics.c (end_maybe_infinite_loop, finish_static_assert):
	Likewise.
	* typeck.c (cxx_alignas_expr): Likewise.
	* typeck2.c (store_init_value, massage_init_elt): Likewise.
	* call.c: Adjust comments.
	* class.c: Likewise.
	* constexpr.c: Likewise.
	* decl2.c: Likewise.
	* tree.c: Likewise.

From-SVN: r217577

2014-11-14  Joel Sherrill <joel.sherrill@oarcorp.com>

	* src/c++98/mt_allocator.cc: Fix assumption that sizeof(void *) is
	equal to sizeof(size_t). The m32c breaks this assumption.

From-SVN: r217576

	* config.gcc (default_gnu_indirect_function): Set to yes
	for i[34567]86-*-linux* and x86_64-*-linux* if not targeting
	Android nor uclibc.

From-SVN: r217575

        * config/aarch64/aarch64-simd.md (*aarch64_simd_ld1r<mode>): Use
        VALL mode iterator instead of VALLDI.

Co-Authored-By: Jiji Jiang <jiangjiji@huawei.com>

From-SVN: r217573

	* optc-save-gen.awk: Output cl_target_option_eq,
	cl_target_option_hash, cl_target_option_stream_out,
	cl_target_option_stream_in functions.
	* opth-gen.awk: Output prototypes for
	cl_target_option_eq and cl_target_option_hash.
	* lto-streamer.h (cl_target_option_stream_out,
	cl_target_option_stream_in): Declare.
	* tree.c (cl_option_hash_hash): Use cl_target_option_hash.
	(cl_option_hash_eq): Use cl_target_option_eq.
	* tree-streamer-in.c (unpack_value_fields): Stream in
	TREE_TARGET_OPTION.
	* lto-streamer-out.c (DFS::DFS_write_tree_body): Follow
	DECL_FUNCTION_SPECIFIC_TARGET.
	(hash_tree): Hash TREE_TARGET_OPTION; visit
	DECL_FUNCTION_SPECIFIC_TARGET.
	* tree-streamer-out.c (streamer_pack_tree_bitfields): Skip
	TS_TARGET_OPTION.
	(streamer_write_tree_body): Output TS_TARGET_OPTION.

	* lto.c (compare_tree_sccs_1): Compare cl_target_option_eq.

From-SVN: r217572

	* optc-save-gen.awk: Output cl_target_option_eq,
	cl_target_option_hash, cl_target_option_stream_out,
	cl_target_option_stream_in functions.
	* opth-gen.awk: Output prototypes for
	cl_target_option_eq and cl_target_option_hash.
	* lto-streamer.h (cl_target_option_stream_out,
	cl_target_option_stream_in): Declare.
	* tree.c (cl_option_hash_hash): Use cl_target_option_hash.
	(cl_option_hash_eq): Use cl_target_option_eq.
	* tree-streamer-in.c (unpack_value_fields): Stream in
	TREE_TARGET_OPTION.
	* lto-streamer-out.c (DFS::DFS_write_tree_body): Follow
	DECL_FUNCTION_SPECIFIC_TARGET.
	(hash_tree): Hash TREE_TARGET_OPTION; visit
	DECL_FUNCTION_SPECIFIC_TARGET.
	* tree-streamer-out.c (streamer_pack_tree_bitfields): Skip
	TS_TARGET_OPTION.
	(streamer_write_tree_body): Output TS_TARGET_OPTION.

	* lto.c (compare_tree_sccs_1): Compare cl_target_option_eq.

From-SVN: r217571

	* sanitizer_common/Makefile.am (AM_CXXFLAGS): Use -std=gnu++11.
	* asan/Makefile.am (AM_CXXFLAGS): Ditto.
	* lsan/Makefile.am (AM_CXXFLAGS): Ditto.
	* interception/Makefile.am (AM_CXXFLAGS): Ditto.
	* tsan/Makefile.am (AM_CXXFLAGS): Ditto.
	* libbacktrace/Makefile.am (AM_CXXFLAGS): Ditto.
	* ubsan/Makefile.am (AM_CXXFLAGS): Ditto.
	* sanitizer_common/Makefile.in: Regenerate.
	* asan/Makefile.in: Ditto.
	* lsan/Makefile.in: Ditto.
	* interception/Makefile.in: Ditto.
	* tsan/Makefile.in: Ditto.
	* libbacktrace/Makefile.in: Ditto.
	* ubsan/Makefile.in: Ditto.

From-SVN: r217562

gimple-fold.h (gimple_fold_stmt_to_constant_1): Add 2nd valueization hook defaulted to no_follow_ssa_edges.

2014-11-14  Richard Biener  <rguenther@suse.de>

	* gimple-fold.h (gimple_fold_stmt_to_constant_1): Add 2nd
	valueization hook defaulted to no_follow_ssa_edges.
	* gimple-fold.c (gimple_fold_stmt_to_constant_1): Pass
	2nd valueization hook to gimple_simplify.
	* tree-ssa-ccp.c (valueize_op_1): New function to be
	used for gimple_simplify called via gimple_fold_stmt_to_constant_1.
	(ccp_fold): Adjust.
	* tree-vrp.c (vrp_valueize_1): New function to be
	used for gimple_simplify called via gimple_fold_stmt_to_constant_1.
	(vrp_visit_assignment_or_call): Adjust.

From-SVN: r217560

	* config/abi/pre/gnu.ver: Add new exports.
	* include/bits/ios_base.h (ios_base::failure): New definition using
	abi_tag.
	(io_errc, make_error_code, make_error_category, iostream_category):
	Define.
	* include/std/system_error (system_error): Add char* constructors.
	* src/c++11/Makefile.am: Add new file.
	* src/c++11/Makefile.in: Regenerate.
	* src/c++11/cxx11-ios_failure.cc: New file.
	* src/c++98/ios_failure.cc: Compile old definition without abi_tag.
	* testsuite/27_io/ios_base/failure/cxx11.cc: New.
	* testsuite/27_io/ios_base/failure/what-1.cc: Allow string returned by
	ios_base::failure::what() to contain additional data.
	* testsuite/27_io/ios_base/failure/what-2.cc: Likewise..
	* testsuite/27_io/ios_base/failure/what-3.cc: Likewise..
	* testsuite/27_io/ios_base/failure/what-big.cc: Likewise..

From-SVN: r217559

2014-11-14  Tom de Vries  <tom@codesourcery.com>

	* mklog: Move reading of .diff file up and add comment.  Copy diff_lines
	to orig_diff_lines.  Use orig_diff_lines when appending patch.

From-SVN: r217558

gcc/cp:
	* mangle.c (find_substitution): Look for abi_tag on class templates.

gcc/testsuite:
	* g++.dg/abi/abi-tag11.C: New.

From-SVN: r217557

fold-const.c (fold_negate_expr): Don't fold INTEGER_CST if that overflows when SANITIZE_SI_OVERFLOW is on.

	* fold-const.c (fold_negate_expr): Don't fold INTEGER_CST if
	that overflows when SANITIZE_SI_OVERFLOW is on.  Guard -(-A)
	folding with TYPE_OVERFLOW_SANITIZED.

	* c-c++-common/ubsan/overflow-negate-3.c: New test.

From-SVN: r217556

re PR sanitizer/63839 (ICE: tree check: expected ssa_name, have var_decl in simplify_builtin_call, at tree-ssa-forwprop.c:1441 with -fsanitize=unreachable)

	PR sanitizer/63839
	* asan.c (ATTR_CONST_NORETURN_NOTHROW_LEAF_LIST,
	ATTR_COLD_CONST_NORETURN_NOTHROW_LEAF_LIST): Define.
	* builtin-attrs.def (ATTR_COLD_CONST_NORETURN_NOTHROW_LEAF_LIST):
	Define.
	* builtins.c (fold_builtin_0): Don't include ubsan.h.  Don't
	instrument BUILT_IN_UNREACHABLE here.
	* sanitizer.def (BUILT_IN_UBSAN_HANDLE_BUILTIN_UNREACHABLE): Make
	const.
	* sanopt.c (pass_sanopt::execute): Instrument BUILT_IN_UNREACHABLE.
	* tree-ssa-ccp.c (optimize_unreachable): Bail out if
	SANITIZE_UNREACHABLE.
	* ubsan.c (ubsan_instrument_unreachable): Rewrite for GIMPLE.
	* ubsan.h (ubsan_instrument_unreachable): Adjust declaration.
testsuite/
	* c-c++-common/ubsan/pr63839.c: New test.
	* c-c++-common/ubsan/unreachable-2.c: New test.

From-SVN: r217553

	* config/rs6000/vector.md (vec_shl_<mode>): Remove.
	(vec_shr_<mode>): Reverse shift if BYTES_BIG_ENDIAN.

From-SVN: r217552

From-SVN: r217551

        * optabs.c (shift_amt_for_vec_perm_mask): Remove code conditional on
        BYTES_BIG_ENDIAN.
        * tree-vect-loop.c (calc_vec_perm_mask_for_shift,
        vect_create_epilog_for_reduction): Likewise.
        * doc/md.texi (vec_shr_m): Clarify direction of shifting.

From-SVN: r217550

Fix PR target/63724

2014-11-14  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	PR target/63724
        * config/aarch64/aarch64.c (aarch64_expand_mov_immediate): Split out
        numerical immediate handling to...
        (aarch64_internal_mov_immediate): ...this. New.
        (aarch64_rtx_costs): Use aarch64_internal_mov_immediate.
        (aarch64_mov_operand_p): Relax predicate.
        * config/aarch64/aarch64.md (mov<mode>:GPI): Do not expand CONST_INTs.
        (*movsi_aarch64): Turn into define_insn_and_split and new alternative
        for 'n'.
        (*movdi_aarch64): Likewise.

From-SVN: r217546

2014-11-14  Richard Biener  <rguenther@suse.de>

	* match.pd: Implement more binary patterns exercised by
	fold_stmt.
	* fold-const.c (sing_bit_p): Export.
	(exact_inverse): Likewise.
	(fold_binary_loc): Remove patterns here.
	(tree_unary_nonnegative_warnv_p): Use CASE_CONVERT.
	* fold-const.h (sing_bit_p): Declare.
	(exact_inverse): Likewise.

	* gcc.c-torture/execute/shiftopt-1.c: XFAIL invalid parts.

From-SVN: r217545

From-SVN: r217543

2014-11-14  Richard Biener  <rguenther@suse.de>

	* genmatch.c (add_operator): Allow CONSTRUCTOR.
	(dt_node::gen_kids): Handle CONSTRUCTOR not as GENERIC.
	(parser::parse_op): Allow to iterate over predicates.

From-SVN: r217541

configure.ac (--with-diagnostics-color): New configure option, default to --with-diagnostics-color=auto.

	* configure.ac (--with-diagnostics-color): New configure
	option, default to --with-diagnostics-color=auto.
	* toplev.c (process_options): Use DIAGNOSTICS_COLOR_DEFAULT
	to determine -fdiagnostics-color= option default.
	* doc/invoke.texi (-fdiagnostics-color=): Document new
	default.
	* configure: Regenerated.
	* config.in: Regenerated.

From-SVN: r217540

2014-11-13  Teresa Johnson  <tejohnson@google.com>

gcc:
	PR tree-optimization/63841
	* tree-ssa-strlen.c (strlen_optimize_stmt): Ignore clobbers.

2014-11-13  Teresa Johnson  <tejohnson@google.com>

gcc/testsuite:
	PR tree-optimization/63841
	* g++.dg/tree-ssa/pr63841.C: Remove prints, use abort.

From-SVN: r217537

From-SVN: r217536

2014-11-13  Daniel Kruegler  <daniel.kruegler@gmail.com>

	* include/bits/regex.h: Support embedded zeros in sub_match
	comparisons (DR 2217)
	* testsuite/28_regex/sub_match/embedded_zeros_cmp.cc:
	Add test cases for embedded zeros

From-SVN: r217535

	* timevar.def (TV_SCHED_FUSION): New time var.
	* passes.def (pass_sched_fusion): New pass.
	* config/arm/arm.c (TARGET_SCHED_FUSION_PRIORITY): New.
	(extract_base_offset_in_addr, fusion_load_store): New.
	(arm_sched_fusion_priority): New.
	(arm_option_override): Disable scheduling fusion by default
	on non-armv7 processors or ldrd/strd isn't preferred.
	* sched-int.h (struct _haifa_insn_data): New field.
	(INSN_FUSION_PRIORITY, FUSION_MAX_PRIORITY, sched_fusion): New.
	* sched-rgn.c (rest_of_handle_sched_fusion): New.
	(pass_data_sched_fusion, pass_sched_fusion): New.
	(make_pass_sched_fusion): New.
	* haifa-sched.c (sched_fusion): New.
	(insn_cost): Handle sched_fusion.
	(priority): Handle sched_fusion by calling target hook.
	(enum rfs_decision): New enum value.
	(rfs_str): New element for RFS_FUSION.
	(rank_for_schedule): Support sched_fusion.
	(schedule_insn, max_issue, prune_ready_list): Handle sched_fusion.
	(schedule_block, fix_tick_ready): Handle sched_fusion.
	* common.opt (flag_schedule_fusion): New.
	* tree-pass.h (make_pass_sched_fusion): New.
	* target.def (fusion_priority): New.
	* doc/tm.texi.in (TARGET_SCHED_FUSION_PRIORITY): New.
	* doc/tm.texi: Regenerated.
	* doc/invoke.texi (-fschedule-fusion): New.

	testsuite:
	* gcc.target/arm/ldrd-strd-pair-1.c: New test.
	* gcc.target/arm/vfp-1.c: Improve scanning string.

From-SVN: r217533

2014-11-13  Rong Xu  <xur@google.com>

gcc:
	PR debug/63581
	* cfgrtl.c (emit_barrier_after_bb): Append the barrier to the
 	footer, instead of unconditionally overwritten

gcc/testsuite:
	PR debug/63581
	* g++.dg/tree-prof/pr63581.C: New test.

From-SVN: r217530

2014-11-14  Martin Jambor  <mjambor@suse.cz>

	* cgraph.h (clear_outer_type): Make public.  Fix comment.
	* ipa-devirt.c (possible_polymorphic_call_targets): Use
	clear_outer_type when resetting the context.

From-SVN: r217529

From-SVN: r217528

2014-11-13  Dominique Dhumieres  <dominiq@lps.ens.fr>

	PR bootstrap/63853
gcc/
	* gcc.c (handle_foffload_option): Replace strchrnul with strchr.
	* lto-wrapper.c (parse_env_var, append_offload_options): Likewise.

From-SVN: r217524