gcc/ChangeLog:
	* read-rtl.c (read_rtx_code): Rename local "i" to "idx", and use
	"c" instead when parsing characters.  Move operand parsing into...
	(read_rtx_operand): ...this new function, renaming "i" to "idx",
	and tightening the scope of various locals.

From-SVN: r240502

2016-09-26  Anton Kolesov  <Anton.Kolesov@synopsys.com>

	* configure.ac: Disable "sim" directory for arc*-*-*.
	* conifgure: Regenerated.

From-SVN: r240501

2016-09-26  LH Mouse  <lh_mouse@126.com>

	* config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Fix typo.

From-SVN: r240500

	* c-lex.c (c_common_has_attribute): Handle attribute fallthrough.

	* system.h: Use __has_attribute to check whether the fallthrough
	attribute is supported.

	* g++.dg/cpp1z/feat-cxx1z.C: Test attribute fallthrough.

From-SVN: r240499

	* ipa-inline-analysis.c (find_foldable_builtin_expect): Use
	gimple_call_internal_p.
	* ipa-split.c (find_return_bb): Likewise.
	(execute_split_functions): Likewise.
	* omp-low.c (dump_oacc_loop_part): Likewise.
	(oacc_loop_xform_head_tail): Likewise.
	* predict.c (predict_loops): Likewise.
	* sanopt.c (pass_sanopt::execute): Likewise.
	* tree-cfg.c (get_abnormal_succ_dispatcher): Likewise.
	* tree-parloops.c (oacc_entry_exit_ok_1): Likewise.
	* tree-stdarg.c (gimple_call_ifn_va_arg_p): Remove function.
	(expand_ifn_va_arg_1): Use gimple_call_internal_p.
	(expand_ifn_va_arg): Likewise.
	* tree-vect-loop.c (vect_determine_vectorization_factor): Likewise.
	(optimize_mask_stores): Likewise.
	* tree-vect-stmts.c (vect_simd_lane_linear): Likewise.
	(vect_transform_stmt): Likewise.
	* tree-vectorizer.c (vect_loop_vectorized_call): Likewise.
	* tsan.c (instrument_memory_accesses): Likewise.

From-SVN: r240498

From-SVN: r240497

	* regrename.c (rename_chains): Check
	HARD_FRAME_POINTER_IS_FRAME_POINTER rather than
	HARD_FRAME_POINTER_REGNUM when picking unavailable registers.
	* sel-sched.c (mark_unavailable_hard_regs): Likewise.

Co-Authored-By: Alexander Monakov <amonakov@ispras.ru>

From-SVN: r240496

gcc/ChangeLog:

2016-09-26  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* config/s390/s390.c (s390_rtx_costs): Add /* fallthrough */.
	(s390_sched_score): Likewise.

From-SVN: r240495

	* doc/gcov.texi: Update program output of gcov tool.

From-SVN: r240494

2016-09-26  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/48298
	* interface.c (gfc_find_specific_dtio_proc) : Return NULL if
	the derived type is broken, as indicated by a flavor other than
	FL_DERIVED.

From-SVN: r240493

	PR gcov-profile/23332
	* profile.c (instrument_values): Do not handle
	HIST_TYPE_CONST_DELTA.
	* tree-profile.c (gimple_gen_const_delta_profiler):
	Remove.
	* value-prof.c (dump_histogram_value): Do not handle
	HIST_TYPE_CONST_DELTA.
	(stream_in_histogram_value): Likewise.
	(gimple_find_values_to_profile): Likewise.
	* value-prof.h (enum hist_type): Likewise.

From-SVN: r240492

	* common.opt: Exclude SANITIZE_UNREACHABLE and SANITIZE_RETURN
	from default sanitize recover values.
	* doc/invoke.texi: Fix documentation related to -fsanitize=leak,
	-fsanitize=address, -fsanitize=thread and -fsanitize-recover.
	* flag-types.h: Replace couple of 1 << x to 1UL << x, make it
	consistent.
	* opts.c (finish_options): Do a generic loop over options
	that can be recovered.
	(parse_sanitizer_options): Exclude SANITIZE_UNREACHABLE and
	SANITIZE_RETURN.
	(common_handle_option): Likewise.
	* opts.h: Declare can_recover to sanitizer_opts_s.
	* c-c++-common/ubsan/sanitize-recover-1.c: New test.
	* c-c++-common/ubsan/sanitize-recover-2.c: New test.
	* c-c++-common/ubsan/sanitize-recover-3.c: New test.
	* c-c++-common/ubsan/sanitize-recover-4.c: New test.
	* c-c++-common/ubsan/sanitize-recover-5.c: New test.
	* c-c++-common/ubsan/sanitize-recover-6.c: New test.
	* c-c++-common/ubsan/sanitize-recover-7.c: New test.
	* c-c++-common/ubsan/sanitize-recover-8.c: New test.
	* c-c++-common/ubsan/sanitize-recover-9.c: New test.

From-SVN: r240491

2016-09-26  Andre Vieira  <andre.simoesdiasvieira@arm.com>

    * target.def(elf_flags_numeric): Change documentation to
    present tense.
    * doc/tm.texi: Regenerate.

From-SVN: r240490

	* init.c (expand_default_init): Fix } indentation.
	* method.c (process_subob_fn): Simplify control structure to
	remove gotos.
	(implicitly_declare_fn): Remove duplicated lambda ctor check.

From-SVN: r240489

	* include/bits/range_access.h (__cpp_lib_array_constexpr): Do not
	redefine macro defined in <bits/stl_iterator.h>.

From-SVN: r240488

	* include/bits/stl_map.h (map::extract(const_iterator)): Assert that
	iterator is not past-the-end.
	* include/bits/stl_multimap.h (multimap::extract(const_iterator)):
	Likewise.
	* include/bits/stl_multiset.h (multiset::extract(const_iterator)):
	Likewise.
	* include/bits/stl_set.h (set::extract(const_iterator)): Likewise.
	* include/bits/unordered_map.h (unordered_map::extract(const_iterator))
	(unordered_multimap::extract(const_iterator)): Likewise.
	* include/bits/unordered_set.h (unordered_set::extract(const_iterator))
	(unordered_multiset::extract(const_iterator)): Likewise.

From-SVN: r240487

re PR libstdc++/77717 (testsuite/21_strings/basic_string_view/operations/compare/char/1.cc makes undefined memcmp call)

	PR libstdc++/77717
	* testsuite/21_strings/basic_string_view/operations/compare/char/1.cc:
	Fix an out-of-bounds access.

From-SVN: r240486

Co-Authored-By: Jakub Jelinek <jakub@redhat.com>

From-SVN: r240485

2016-09-26  Richard Biener  <rguenther@suse.de>

	* dwarf2out.c (stripattributes): Remove unused function.
	(DEBUG_NORM_MACINFO_SECTION): Rename to DEBUG_MACINFO_SECTION.
	Push dwarf_split_debug_info handling into init_sections_and_labels.
	(DEBUG_NORM_MACRO_SECTION): Likewise to DEBUG_MACRO_SECTION.
	(DEBUG_MACRO_SECTION_FLAGS): Remove.
	(debug_macinfo_section_name): New global.
	(output_macinfo): Use debug_macinfo_section_name.
	(init_sections_and_labels): Split out section and label generation
	from dwarf2out_init.  Set debug_macinfo_section_name.
	(dwarf2out_init): Move text section label generation and emission
	to ...
	(dwarf2out_assembly_start): ... here.
	(dwarf2out_finish): Call init_sections_and_labels before DWARF
	output starts.

From-SVN: r240484

2016-09-26  Richard Biener  <rguenther@suse.de>

	PR debug/77692
	* cgraphunit.c (analyze_functions): Before early removing
	global vars calls the late_global_decl debug handler mark
	the variable as readonly.

From-SVN: r240483

From-SVN: r240482

2016-09-25  François Dumont  <fdumont@gcc.gnu.org>

	* src/c++11/debug.cc: Include debug/vector. Include cctype. Remove
	functional.
	(get_safe_base_mutex): Get mutex based on address lowest non nil bits.
	* testsuite/23_containers/vector/debug/mutex_association.cc: New.

From-SVN: r240479

2016-09-25  François Dumont  <fdumont@gcc.gnu.org>

	* include/debug/bitset (bitset::reference::reference(const _Base_ref&,
	bitset*)): Remove __unused__ attribute.
	* include/debug/safe_base.h (_Safe_iterator_base): Make
	_Safe_sequence_base a friend.
	(_Safe_iterator_base::_M_attach): Make protected.
	(_Safe_iterator_base::_M_attach_single): Likewise.
	(_Safe_iterator_base::_M_detach): Likewise.
	(_Safe_iterator_base::_M_detach_single): Likewise.
	(_Safe_sequence_base): Make _Safe_iterator_base a friend.
	(_Safe_sequence_base::_Safe_sequence_base(_Safe_sequence_base&&)): New.
	(_Safe_sequence_base::_M_swap): Make protected.
	(_Safe_sequence_base::_M_attach): Make private.
	(_Safe_sequence_base::_M_attach_single): Likewise.
	(_Safe_sequence_base::_M_detach): Likewise.
	(_Safe_sequence_base::_M_detach_single): Likewise.
	* include/debug/safe_container.h
	(_Safe_container::_Safe_container(_Safe_container&&)): Make default.
	* include/debug/safe_iterator.h
	(_Safe_iterator::operator++()): Name __scoped_lock instance.
	* include/debug/safe_iterator.tcc: Remove trailing line.
	* include/debug/safe_unordered_base.h
	(_Safe_local_iterator_base::_M_attach): Make protected.
	(_Safe_local_iterator_base::_M_attach_single): Likewise.
	(_Safe_local_iterator_base::_M_detach): Likewise.
	(_Safe_local_iterator_base::_M_detach_single): Likewise.
	(_Safe_unordered_container_base): Make _Safe_local_iterator_base friend.
	(_Safe_unordered_container_base::_M_attach_local): Make private.
	(_Safe_unordered_container_base::_M_attach_local_single): Likewise.
	(_Safe_unordered_container_base::_M_detach_local): Likewise.
	(_Safe_unordered_container_base::_M_detach_local_single): Likewise.

From-SVN: r240478

2016-09-25  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/77429 
	* dependency.c (gfc_check_dependency):  Convert gcc_assert() to
	a conditional and possible call to  gfc_internal_error().

2016-09-25  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/77429 
	* gfortran.dg/pr77429.f90: New test.

From-SVN: r240477

2016-09-22  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/77694
	* frontend-passes.c (optimize_binop_array_assignment): Check pointer
	for NULL.

2016-09-22  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/77694
	* gfortran.dg/pr77694.f90: New test.

From-SVN: r240476

From-SVN: r240474

2016-09-25  François Dumont  <fdumont@gcc.gnu.org>

	* include/parallel/algo.h: Generalize usage of std::__iterator_category.
	Adjust whitespaces.

From-SVN: r240473

The costs for movt and movrt type of insns were not correctly reported
and ifcvt thus made some bad choices for SH.  A new cset_zero pattern
variant is also required to fix the matching for some recent changes
in the middle end.
 
gcc/
	PR target/51244
	* config/sh/sh.c (sh_movt_set_dest, sh_movrt_set_dest): Add overloads.
	(sh_rtx_costs): Handle SET of movt and movrt patterns.
	* cnofig/sh/sh-protos.h (sh_movt_set_dest, sh_movrt_set_dest): Forward
	declare new overloads.
	* config/sh/sh.md (*cset_zero): Add variant that takes a treg_set_expr
	operand.

gcc/testsuite/
	PR target/51244
	* gcc.target/sh/pr51244-11.c: Add more detailed expected insn matching.

From-SVN: r240471

From-SVN: r240470

2016-09-24  Dominique d'Humieres  <dominiq@lps.ens.fr>
 
	* gfortran.dg/coarray_lib_comm_1.f90: Really fix test
	for 32-bit mode.

From-SVN: r240467

2016-09-24  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>

	* config/rs6000/rs6000.c (expand_block_compare, do_load_for_compare):
	Change TARGET_LITTLE_ENDIAN to !BYTES_BIG_ENDIAN.

From-SVN: r240466

        * configure.ac (gcc_cv_as_aix_dwloc): Fix typo in assembly fragment.
        * configure: Regenerate.

From-SVN: r240465

From-SVN: r240464

2016-09-24  Dominique d'Humieres  <dominiq@lps.ens.fr>

	* gfortran.dg/coarray_lib_comm_1.f90: Fix test
	for 32-bit mode.

From-SVN: r240463

	PR c/77490
	* c.opt (Wbool-operation): New.

	* c-typeck.c (build_unary_op): Warn about bit not on expressions that
	have boolean value.  Warn about ++/-- on booleans.

	* typeck.c (cp_build_unary_op): Warn about bit not on expressions that
	have boolean value.

	* doc/invoke.texi: Document -Wbool-operation.

	* c-c++-common/Wbool-operation-1.c: New test.
	* gcc.dg/Wbool-operation-1.c: New test.

From-SVN: r240462

From-SVN: r240461

2016-09-23  Fritz Reese  <fritzoreese@gmail.com>

	gcc/fortran/
	* lang.opt, invoke.texi, gfortran.texi: New flag -fdec-static.
	* options.c (set_dec_flags): Set -fdec-static with -fdec.
	* gfortran.h (symbol_attribute): New attribute automatic.
	* gfortran.h (gfc_add_automatic): New prototype.
	* match.h (gfc_match_automatic, gfc_match_static): New functions.
	* decl.c (gfc_match_automatic, gfc_match_static): Ditto.
	* symbol.c (gfc_add_automatic): Ditto.
	* decl.c (match_attr_spec): Match AUTOMATIC and STATIC decls.
	* parse.c (decode_specification_statement, decode_statement): Ditto.
	* resolve.c (apply_default_init_local, resolve_fl_variable_derived,
	resolve_symbol): Support for automatic attribute.
	* symbol.c (check_conflict, gfc_copy_attr, gfc_is_var_automatic):
	Ditto.
	* trans-decl.c (gfc_finish_var_decl): Ditto.

	gcc/testsuite/gfortran.dg/
	* dec_static_1.f90, dec_static_2.f90, dec_static_3.f90,
	dec_static_4.f90: New testcases.

From-SVN: r240458

    
    Reviewed-on: https://go-review.googlesource.com/29678

From-SVN: r240457

2016-09-23  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libgfortran/48298
	* io/inquire.c (inquire_via_unit): Adjust error check for the
	two possible internal unit KINDs.
	* io/io.h: Adjust defines for is_internal_unit and
	is_char4_unit. (gfc_unit): Add internal unit data to structure.
	(get_internal_unit): Change declaration to set_internal_unit.
	(free_internal_unit): Change name to stash_internal_unit_number.
	(get_unique_unit_number): Adjust parameter argument.
	Define IOPARM_DT_HAS_UDTIO. (gfc_saved_unit): New structure.
	* io/list_read.c (next_char_internal): Use is_char4_unit.
	* io/open.c (st_open): Adjust call to get_unique_unit_number.
	* io/transfer.c (write_block): Use is_char4_unit.
	(data_transfer_init): Update check for unit numbers.
	(st_read_done): Free the various allocated memories used for the
	internal units and stash the negative unit number and pointer to unit
	structure to allow reuse. (st_write_done): Likewise stash the freed
	unit.
	* io/unit.c: Create a fixed size buffer of 16 gfc_saved_unit's to use
	as a stack to save newunit unit numbers and unit structure for reuse.
	(get_external_unit): Change name to get_gfc_unit to better
	reflect what it does. (find_unit): Change call to get_gfc_unit.
	(find_or_create_unit): Likewise. (get_internal_unit): Change
	name to set_internal_unit. Move internal unit from the dtp
	structure to the gfc_unit structure so that it can be passed to
	child I/O statements through the UNIT.
	(free_internal_unit): Change name to stash_internal_unit_number.
	Push the common.unit number onto the newunit stack, saving it
	for possible reuse later. (get_unit): Set the internal unit
	KIND. Use get_unique_unit_number to get a negative unit number
	for the internal unit. Use get_gfc_unit to get the unit structure
	and use set_internal_unit to initialize it.
	(init_units): Initialize the newunit stack.
	(get_unique_unit_number): Check the stack for an available unit
	number and use it. If none there get the next most negative
	number. (close_units): Free any unit structures pointed to from the save
	stack.

2016-09-23  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/48298
	* gfortran.h (gfc_dt): Add *udtio.
	* ioparm.def: Add bit IOPARM_dt_f2003 to align with library use of bit
	25. Add IOPARM_dt_dtio bit to common flags.
	* resolve.c (resolve_transfer): Set dt->udtio to expression.
	* io.c (gfc_match_inquire): Adjust error message for internal
	unit KIND.
	* libgfortran.h: Adjust defines for GFC_INTERNAL_UNIT4,
	GFC_INTERNAL_UNIT, and GFC_INVALID_UNIT.
	* trans-io.c (build_dt): Set common_unit to reflect the KIND of
	the internal unit. Set mask bit for presence of dt->udtio.

2016-09-23  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/48298
	* gfortran.dg/negative_unit_check.f90: Update test.
	* gfortran.dg/dtio_14.f90: New test.

From-SVN: r240456

	* config/rs6000/rs6000.md (cmpmemsi): New define_expand.
	* config/rs6000/rs6000.c (expand_block_compare): New function used by
	cmpmemsi pattern to do builtin expansion of memcmp ().
	(compute_current_alignment): Add helper function for
	expand_block_compare used to compute alignment as the compare proceeds.
	(select_block_compare_mode): Used by expand_block_compare to select
	the mode used for reading the next chunk of bytes in the compare.
	(do_load_for_compare): Used by expand_block_compare to emit the load
	insns for the compare.
	(rs6000_emit_dot_insn): Moved this function to avoid a forward
	reference from expand_block_compare ().
	* config/rs6000/rs6000-protos.h (expand_block_compare): Add a
	prototype for this function.
	* config/rs6000/rs6000.opt (mblock-compare-inline-limit): Add a new
	target option for controlling how much code inline expansion of
	memcmp() will be allowed to generate.

From-SVN: r240455