From-SVN: r248532

    
    Update the Mark_lvalue_varexprs visitor class (used in
    Assignment_statement::do_get_backend) to identify
    Array_index_expression's that appear on the left hand side of
    assignments, then pass this context info on when invoking
    Array_type::get_value_pointer.
    
    Reviewed-on: https://go-review.googlesource.com/44170

From-SVN: r248528

PR libgcc/80037

 * config/alpha/t-alpha (CRTSTUFF_T_CFLAGS): New.

From-SVN: r248522

	gcc/
	Implement DR2061
	* name-lookup.c (push_inline_namespaces): New.
	(push_namespace): Look inside inline namespaces.

	testsuite/
	* g++.dg/cpp0x/dr2061.C: New.
	* g++.dg/parse/namespace-alias-1.C: Add more test.

From-SVN: r248521

	gcc/cp/
	Inline and using namespace representation change.
	* cp-tree.h (struct lang_decl_ns): Delete ns_using.  Add usings,
	inlinees as vector.
	(DECL_NAMESPACE_USING): Adjust.
	(DECL_NAMESPACE_INLINEES): New.
	* name-lookup.h (struct cp_binding_level): Change usings
	representation.
	* name-lookup.c (name_lookup::do_queue_usings)
	name_lookup::queue_usings): Adjust.
	(name_lookup::search_namespace, name_lookup::search_usings)
	name_lookup::queue_namespace): Adjust.
	(name_lookup::adl_namespace_only): Adjust.
	(add_using_namespace, push_namespace): Push onto vector.
	(pop_namespace): Add timing logic.

	libcc1/
	* libcp1plugin.cc (plugin_make_namespace_inline): Push onto linees.
((--This line, and those below, will be ignored--

M    gcc/cp/ChangeLog
M    gcc/cp/cp-tree.h
M    gcc/cp/name-lookup.c
M    gcc/cp/name-lookup.h
M    libcc1/libcp1plugin.cc
M    libcc1/ChangeLog

From-SVN: r248520

2017-05-26  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR boostrap/80889
	* acinclude.m4: Also set HAVE_AVX128 on the false
	branch of LIBGFOR_CHECK_AVX128.
	* configure:  Regenerated.

From-SVN: r248519

	gcc/cp/
	* call.c (build_operator_new_call): Do namelookup and ADL here.
	(build_new_op_1): Likewise.
	* name-lookup.h (lookup_function_nonclass): Delete declaration.
	(do_using_directive): Likewise.
	* name-lookup.c (set_namespace_binding, push_local_binding): Don't
	declare early.
	(struct scope_binding): Delete.
	(EMPTY_SCOPE_BINDING): Delete.
	(set_decl_namespace): Use OVL_P.
	(finish_local_using_decl): Lose unnecesary checks.
	(lookup_function_nonclass): Delete.
	(cp_emit_debug_info_for_using): Use MAYBE_BASELINK_P.

	libcc1/
	* libcp1plugin.cc (plugin_add_using_namespace): Call
	finish_namespace_using_directive.

From-SVN: r248518

	* cp-tree.h (OVL_CHAIN): Check looking at OVERLOAD.
	(ovl_iterator): Add allow_inner field.  Adjust ctor.  Make
	unduplicatable.
	(ovl_iterator::maybe_push, ovl_iterator::pop): New.
	(lkp_iterator): Add outer field.  Adjust ctor.
	(lkp_iterator::operator++): New.
	(lookup_mark, lookup_maybe_add): Declare.
	* name-lookup.c (name_lookup): Delete fn_set member.
	(name_lookup::preserve_state, name_lookup::restore_state): Unmark
	and mark lookup.
	(name_lookup::add_value): Use lookup_add directly.
	(name_lookup::add_fns: Use lookup_maybe_add.
	(name_lookup::search_adl): Mark and unmark fns.
	(pushdecl): Adjust.
	* pt.c (check_explicit_specialization): Use lookup_add directly.
	* ptree.c (cxx_print_xnode): Show complete overload structure.
	* tree.c (lookup_mark, lookup_maybe_add): New.

From-SVN: r248517

2017-05-26  Martin Liska  <mliska@suse.cz>

	* dumpfile.h (enum dump_kind): Renumber TDF_* flags to be contiguous.

From-SVN: r248515

2017-05-26  Martin Liska  <mliska@suse.cz>

	* cfg.c (check_bb_profile): Do not use TDF_COMMENT and print
	always leading ';; '.
	(dump_bb_info): Likewise.
	(brief_dump_cfg): Likewise.
	* cfgrtl.c (print_rtl_with_bb): Do not use TDF_COMMENT.
	* dumpfile.c: Remove usage of TDF_VERBOSE.
	* dumpfile.h (enum dump_kind): Likewise.
	(dump_gimple_bb_header): Do not use TDF_COMMENT.
	* print-tree.c (debug_verbose): Remove.
	* tree-cfg.c (gimple_dump_cfg): Do not use TDF_COMMENT.
	(dump_function_to_file): Remove dumps guarded with TDF_VERBOSE.
	* tree-diagnostic.c (default_tree_printer): Replace
	TDF_DIAGNOSTIC with TDF_SLIM.

From-SVN: r248514

tree-vect-loop-manip.c (create_intersect_range_checks_index): Pass in parameter loop, rather than loop_vinfo.

	* tree-vect-loop-manip.c (create_intersect_range_checks_index): Pass
	in parameter loop, rather than loop_vinfo.
	(create_intersect_range_checks): Ditto.
	(vect_create_cond_for_alias_checks): Update call to above functions.

From-SVN: r248513

	PR tree-optimization/80815
	* tree-data-ref.c (prune_runtime_alias_test_list): Simplify condition
	for merging runtime alias checks.  Handle negative DR_STEPs.
	gcc/testsuite
	* gcc.dg/vect/pr80815-1.c: New test.
	* gcc.dg/vect/pr80815-2.c: New test.

From-SVN: r248512

	* tree-vect-data-refs.c (Operator==, comp_dr_with_seg_len_pair):
	Move from ...
	* tree-data-ref.c (Operator==, comp_dr_with_seg_len_pair): To here.
	* tree-vect-data-refs.c (vect_prune_runtime_alias_test_list): Factor
	out code pruning runtime alias checks.
	* tree-data-ref.c (prune_runtime_alias_test_list): New function
	factored out from above.
	* tree-vectorizer.h (struct dr_with_seg_len, dr_with_seg_len_pair_t):
	Move from ...
	* tree-data-ref.h (struct dr_with_seg_len, dr_with_seg_len_pair_t):
	... to here.
	(prune_runtime_alias_test_list): New decalaration.

From-SVN: r248511

	* tree-vect-data-refs.c (compare_tree): Rename and move ...
	* tree-data-ref.c (data_ref_compare_tree): ... to here.
	* tree-data-ref.h (data_ref_compare_tree): New decalaration.
	* tree-vect-data-refs.c (dr_group_sort_cmp): Update uses.
	(operator==, comp_dr_with_seg_len_pair): Ditto.
	(vect_prune_runtime_alias_test_list): Ditto.

From-SVN: r248510

From-SVN: r248506

2017-05-26  Martin Liska  <mliska@suse.cz>

	PR ipa/80663
	* params.def: Bound partial-inlining-entry-probability param.
2017-05-26  Martin Liska  <mliska@suse.cz>

	PR ipa/80663
	* g++.dg/ipa/pr80212.C: Remove the test as it does not longer
	split at the problematic spot.
	* gcc.dg/ipa/pr48195.c: Change 101 to 100 as 101 is no longer
	a valid value of the param.

From-SVN: r248489

	PR sanitizer/80875
	* fold-const.c (fold_binary_loc) <case MULT_EXPR>: Check if OP1
	can be negated.

	* c-c++-common/ubsan/pr80875.c: New test.

From-SVN: r248485

2017-05-26  Tom de Vries  <tom@codesourcery.com>

	PR testsuite/80557
	* gcc.dg/20011021-1.c: Replace absolute line numbers.
	* gcc.dg/Wcxx-compat-8.c: Same.
	* gcc.dg/Wobjsize-1.c: Same.
	* gcc.dg/Wshadow-local-2.c: Same.
	* gcc.dg/Wstrict-aliasing-converted-assigned.c: Same.
	* gcc.dg/anon-struct-6.c: Same.
	* gcc.dg/asm-wide-1.c: Same.
	* gcc.dg/builtin-inf-1.c: Same.
	* gcc.dg/builtin-redefine.c: Same.
	* gcc.dg/c90-array-lval-6.c: Same.
	* gcc.dg/c90-array-lval-7.c: Same.
	* gcc.dg/c90-fordecl-1.c: Same.
	* gcc.dg/c99-fordecl-2.c: Same.
	* gcc.dg/cast-lvalue-1.c: Same.
	* gcc.dg/cast-lvalue-2.c: Same.
	* gcc.dg/compound-lvalue-1.c: Same.
	* gcc.dg/cond-lvalue-1.c: Same.
	* gcc.dg/cpp/20000419-1.c: Same.
	* gcc.dg/cpp/backslash.c: Same.
	* gcc.dg/cpp/backslash2.c: Same.
	* gcc.dg/cpp/macspace1.c: Same.
	* gcc.dg/cpp/macspace2.c: Same.
	* gcc.dg/cpp/multiline-2.c: Same.
	* gcc.dg/cpp/pr27777.c: Same.
	* gcc.dg/cpp/pr30786.c: Same.
	* gcc.dg/cpp/pr34602.c: Same.
	* gcc.dg/cpp/redef1.c: Same.
	* gcc.dg/cpp/tr-warn1.c: Same.
	* gcc.dg/cpp/tr-warn3.c: Same.
	* gcc.dg/cpp/tr-warn6.c: Same.
	* gcc.dg/cpp/trad/hash.c: Same.
	* gcc.dg/cpp/trad/redef1.c: Same.
	* gcc.dg/cpp/ucs.c: Same.
	* gcc.dg/declspec-10.c: Same.
	* gcc.dg/declspec-11.c: Same.
	* gcc.dg/declspec-18.c: Same.
	* gcc.dg/format/c99-strftime-1.c: Same.
	* gcc.dg/format/ext-3.c: Same.
	* gcc.dg/format/pr72858.c: Same.
	* gcc.dg/gomp/appendix-a/a.24.1.c: Same.
	* gcc.dg/init-string-1.c: Same.
	* gcc.dg/label-decl-3.c: Same.
	* gcc.dg/m-un-2.c: Same.
	* gcc.dg/nofixed-point-2.c: Same.
	* gcc.dg/noncompile/20020213-1.c: Same.
	* gcc.dg/pch/counter-2.c: Same.
	* gcc.dg/plugin/diagnostic-test-string-literals-2.c: Same.
	* gcc.dg/pr27528.c: Same.
	* gcc.dg/pr27953.c: Same.
	* gcc.dg/pr35899.c: Same.
	* gcc.dg/pr37561.c: Same.
	* gcc.dg/pr45461.c: Same.
	* gcc.dg/pr45750.c: Same.
	* gcc.dg/pr53196-2.c: Same.
	* gcc.dg/pr53265.c: Same.
	* gcc.dg/redecl-1.c: Same.
	* gcc.dg/tls/thr-init-1.c: Same.
	* gcc.dg/torture/pr51106-1.c: Same.
	* gcc.dg/torture/pr51106-2.c: Same.
	* gcc.dg/uninit-19.c: Same.
	* gcc.dg/uninit-pr20644.c: Same.

From-SVN: r248484

	* cp-tree.h (struct lang_decl_decomp): New type.
	(struct lang_decl): Add u.decomp.
	(LANG_DECL_DECOMP_CHECK): Define.
	(DECL_DECOMPOSITION_P): Note it is set also on the vars
	for user identifiers.
	(DECL_DECOMP_BASE): Define.
	(retrofit_lang_decl): Add extra int = 0 argument.
	* lex.c (retrofit_lang_decl): Add SEL argument, if non-zero
	use it to influence the selector choices and for selector
	0 to non-zero transition copy old content.
	(cxx_dup_lang_specific_decl): Handle DECL_DECOMPOSITION_P.
	* decl.c (poplevel): For DECL_DECOMPOSITION_P, check
	!DECL_DECOMP_BASE instead of !DECL_VALUE_EXPR.  Adjust warning
	wording if decl is a structured binding.
	(cp_finish_decomp): Pass 4 as the new argument to retrofit_lang_decl.
	Set DECL_DECOMP_BASE.  Ignore DECL_READ_P sets from initialization
	of individual variables for tuple structured bindings.
	(grokdeclarator): Pass 4 as the new argument to retrofit_lang_decl.
	Clear DECL_DECOMP_BASE.
	* decl2.c (mark_used): Mark DECL_DECOMP_BASE TREE_USED as well.
	* pt.c (tsubst_decomp_names): Assert DECL_DECOMP_BASE matches what
	is expected.
	* expr.c (mark_exp_read): Recurse on DECL_DECOMP_BASE instead of
	DECL_VALUE_EXPR.

	* g++.dg/cpp1z/decomp29.C (p): New variable.
	(main): Add further tests.

From-SVN: r248483

2017-05-26  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/80842
	* tree-ssa-ccp.c (set_lattice_value): Always meet with the old
	value.

	* gcc.dg/torture/pr80842.c: New testcase.

From-SVN: r248482

re PR tree-optimization/80844 (OpenMP SIMD doesn't know how to efficiently zero a vector (its stores zeros and reloads))

2017-05-26  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/80844
	* tree-vectorizer.c (adjust_simduid_builtins): Propagate
	results.

From-SVN: r248481

From-SVN: r248479

2017-05-25  Eric Gallager  <egall@gwmail.gwu.edu>

	* MAINTAINERS: Add self to Write After Approval

From-SVN: r248475

2017-05-25  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/79652
	* g++.dg/cpp0x/pr79652.C: New.

From-SVN: r248474

re PR c++/71451 (ICE on invalid C++11 code on x86_64-linux-gnu: in dependent_type_p, at cp/pt.c:22599)

2017-05-25  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/71451
	* g++.dg/cpp0x/variadic170.C: New.

From-SVN: r248473

2017-05-25  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR libfortran/78379
	* Makefile.am: Add generated/matmulavx128_*.c files.
	Handle them for compiling and setting the right flags.
	* acinclude.m4: Add tests for FMA3, FMA4 and AVX128.
	* configure.ac: Call them.
	* Makefile.in: Regenerated.
	* config.h.in: Regenerated.
	* configure: Regenerated.
	* m4/matmul.m4:  Handle AMD chips by calling 128-bit AVX
	versions which use FMA3 or FMA4.
	* m4/matmulavx128.m4: New file.
        * generated/matmul_c10.c: Regenerated.
        * generated/matmul_c16.c: Regenerated.
        * generated/matmul_c4.c: Regenerated.
        * generated/matmul_c8.c: Regenerated.
        * generated/matmul_i1.c: Regenerated.
        * generated/matmul_i16.c: Regenerated.
        * generated/matmul_i2.c: Regenerated.
        * generated/matmul_i4.c: Regenerated.
        * generated/matmul_i8.c: Regenerated.
        * generated/matmul_r10.c: Regenerated.
        * generated/matmul_r16.c: Regenerated.
        * generated/matmul_r4.c: Regenerated.
        * generated/matmul_r8.c: Regenerated.
        * generated/matmulavx128_c10.c: New file.
        * generated/matmulavx128_c16.c: New file.
        * generated/matmulavx128_c4.c: New file.
        * generated/matmulavx128_c8.c: New file.
        * generated/matmulavx128_i1.c: New file.
        * generated/matmulavx128_i16.c: New file.
        * generated/matmulavx128_i2.c: New file.
        * generated/matmulavx128_i4.c: New file.
        * generated/matmulavx128_i8.c: New file.
        * generated/matmulavx128_r10.c: New file.
        * generated/matmulavx128_r16.c: New file.
        * generated/matmulavx128_r4.c: New file.
        * generated/matmulavx128_r8.c: New file.

From-SVN: r248472

From-SVN: r248471

	* class.c (check_bases): Use DECL_FIELD_IS_BASE.

From-SVN: r248470

	* cp-tree.h (OVL_CURRENT, OVL_NEXT): Delete.
	* name-lookup.c (set_decl_namespace): Use ovl_iterator.
	(consider_binding_level): Use OVL_FIRST.
	(cp_emit_debug_info_for_using): Use lkp_iterator.
	* pt.c (check_explicit_specialization): Use ovl_iterator.

From-SVN: r248469

md.texi (Machine Constraints): Update x86 family machine constraints section to match 'config/i386/constraints.md'.

	* doc/md.texi (Machine Constraints): Update x86 family
	machine constraints section to match 'config/i386/constraints.md'.

From-SVN: r248468

	gcc/cp/
	Kill DECL_NAMESPACE_USERS, DECL_NAMESPACE_ASSOCIATIONS.
	* cp-tree.h (lang_decl_ns): Remove ns_users field.
	(DECL_NAMESPACE_USERS, DECL_NAMESPACE_ASSOCIATIONS): Delete.
	(TREE_INDIRECT_USING): Delete.
	* name-lookup.h (is_associated_namespace): Delete.
	* name-lookup.c (name_lookup::search_usings
	name_lookup::do_queue_usings): Usings are always direct.
	(is_associated_namespace): Delete.
	(handle_namespace_attrs): Use DECL_NAMESPACE_INLINE_P.
	(namespace_ancestor_1, namespace_ancestor): Delete.
	(push_using_directive_1, push_using_directive): Delete.
	(add_using_namespace_1): Delete.
	(add_using_namespace): Reimplement.
	(emit_debug_info_using_namespace): New.
	(finish_namespace_using_directive, finish_local_using_directive
	push_namespace): Adjust.
	* tree.c (cp_free_lang_data): Remove DECL_NAMESPACE_USERS
	handling.

	libcc1/
	* libcp1plugin.cc (plugin_make_namespace_inline): Check and set
	DECL_NAMESPACE_INLINE_P.

	gcc/testsuite/
	* g++.dg/lookup/using56.C: New.
	* g++.dg/lookup/using57.C: New.
	* g++.dg/lookup/using58.C: New.
	* g++.dg/lookup/using59.C: New.

From-SVN: r248467

        * doc/invoke.texi (-Wcatch-value=): Document new warning option.

        * c.opt (Wcatch-value=): New C++ warning flag.

        * semantics.c (finish_handler_parms): Warn about non-reference
        * type
        catch handlers.

        * g++.dg/warn/Wcatch-value-1.C: New test.
        * g++.dg/warn/Wcatch-value-2.C: New test.
        * g++.dg/warn/Wcatch-value-3.C: New test.

From-SVN: r248466

	gcc/cp/
	Reimplement unqualified namespace lookup.
	* name-lookup.c (name_lookup::using_pair)
	name_lookup::using_queue): New typedefs.
	(name_lookup::queue_namespace, name_lookup::do_queue_usings,
	name_lookup::queue_usings): New.
	(name_lookup::search_unqualified): New.
	(merge_functions, same_entity_p, ambiguous_decl)
	unqualified_namespace_lookup_1, unqualified_namespace_lookup,
	lookup_using_namespace): Delete.
	(lookup_name_real_1): Adjust.

	gcc/testsuite/
	* g++.dg/lookup/using17.C: Adjust diagnostics.

From-SVN: r248465

gcc/testsuite/ChangeLog:
	* gcc.dg/overflow-warn-9.c: Adjust expected warnings to avoid false
	positives on ILP32.
	* gcc.dg/pr59963-2.c: Replace tabs with spaces, adjust expected
	column numbers.
	* gcc.dg/pr60114.c: Same.

From-SVN: r248464

	* name-lookup.c (name_lookup::flags): New member.  Adjust ctor.
	(name_lookup::ambiguous, name_lookup::add_value)
	name_lookup::add_type, name_lookup::process_binding): New.
	(name_lookup::search_namespace_only)
	name_lookup::search_namespace, name_lookup::search_usings): New.
	(name_lookup::search_qualified): New.
	(do_nonmember_using_decl, suggest_alternatives_for)
	lookup_qualified_name): Adjust.
	(tree_vec_contains): Delete.
	(qualified_lookup_using_namespace): Rename to ...
	(qualified_namespace_lookup): ... here.  Reimplement.
(((--This line, and those below, will be ignored--

M    cp/name-lookup.c
M    cp/ChangeLog

From-SVN: r248462

From-SVN: r248460

	* gcc-interface/utils2.c (compare_elmt_bitpos): Remove redundant
	const qualifiers that cause -Wignored-qualifiers warnings.

From-SVN: r248458

	gcc/cp/
	* cp-tree.h (LOOKUP_SEEN_P, LOOKUP_FOUND_P): New.
	* name-lookup.h (lookup_arg_dependent): Return plain tree.
	* name-lookup.c (arg_lookup, arg_assoc, arg_assoc_args)
	arg_assoc_args_vec, arg_assoc_type, add_function,
	arg_assoc_namespace, arg_assoc_class_only, arg_assoc_bases,
	arg_assoc_class, arg_assoc_template_arg, arg_assoc,
	lookup_arg_dependent_1): Delete.
	(name_lookup): New lookup object.
	(name_lookup::preserve_state, name_lookup::restore_state)
	name_lookup::mark_seen, name_lookup::find_and_mark,
	name_lookup::add_fns, name_lookup::adl_namespace_only,
	name_lookup::adl_namespace, name_lookup::adl_class_only,
	name_lookup::adl_bases, name_lookup::adl_class,
	name_lookup::adl_expr, name_lookup::adl_type,
	name_lookup::adl_template_arg, name_lookup::search_adl): New.
	(lookup_arg_dependent): Return a plain tree.  Adjust.
	(is_associated_namespace): Move later.
	gcc/cp/
	* g++.dg/lookup/koenig14.C: New.

From-SVN: r248457

2017-05-25  Thomas Koenig  <tkoenig@gcc.gnu.org>

	* dump-parse-tree.c (show_expr):  Also replace
	with dumpfile for showing values for forgotten
	case.

From-SVN: r248456

	* configure.ac: Add --enable-languages=default to mean default and
	make --enable-languages=all mean all supported languages.
	* configure: Regenerated.
	gcc/
	* doc/invoke.texi (--enable-languages): Update documentation.

From-SVN: r248454