PR target/70118
	* config/i386/mmintrin.h (__m64_u): New type
	* config/i386/emmintrin.h (_mm_loadl_epi64, _mm_storel_epi64):
	Make the allowed unaligned memory access explicit.

From-SVN: r243527

From-SVN: r243523

2016-12-10  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/78226
	* error.c (gfc_warning_internal):  New function.
	* frontend-passes.c (gfc_run_passes):  Call check_locus if
	CHECKING_P is defined.
	(check_locus_code):  New function.
	(check_locus_expr):  New function.
	(check_locus):  New function.
	* gfortran.h:  Add prototype for gfc_warning_internal.

From-SVN: r243520

2016-12-10  Krister Walfridsson  <krister.walfridsson@gmail.com>

	* config.gcc (i386-*-netbsd*): Make i486 the default arch on NetBSD.
	Generally use cpu generic.

From-SVN: r243519

2016-12-10  Krister Walfridsson  <krister.walfridsson@gmail.com>

	* config.host (i[34567]86-*-netbsdelf*): Add i386/t-crtstuff to
	tmake_file.

From-SVN: r243518

2016-12-10 Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/78350
	* resolve.c (resolve_structure_cons): Remove the block that
	tried to remove a charlen and rely on namespace cleanup.

From-SVN: r243517

	PR tree-optimization/78720
	* match.pd (A < 0 ? C : 0): Only optimize for signed A.  If shift
	is negative, sign extend to @1's type and than AND with C.

	* gcc.c-torture/execute/pr78720.c: New test.

Co-Authored-By: Marc Glisse <marc.glisse@inria.fr>

From-SVN: r243516

re PR fortran/78758 (Warning: '__builtin_memcpy' ... overflows the destination for string assignment)

	PR fortran/78758
	* tree-object-size.c (compute_object_offset) <case ARRAY_REF>: Handle
	non-zero low bound or non-standard element sizes.

	* gfortran.dg/pr78758.f90: New test.
	* gfortran.dg/pr38868.f: Remove again bogus warning.

From-SVN: r243515

re PR sanitizer/78708 ([ASAN][LTO] ICE in expand_ASAN_MARK, at internal-fn.c:380 - when compiling but not linking with ASAN)

	PR sanitizer/78708
	* lto-streamer-in.c (input_function): In addition to debug stmts
	without -g, remove IFN_*SAN_* calls if corresponding flag_sanitize
	bit is not enabled.

From-SVN: r243514

From-SVN: r243513

re PR fortran/77903 ([F08] gfortran 6.1.0/7.0.0 accept invalid code with conflicting module/submodule interfaces)

2016-12-09  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/77903
	* decl.c (get_proc_name): Use the symbol tlink field instead of
	the typespec interface field.
	(gfc_match_function_decl, gfc_match_submod_proc): Ditto.
	* gfortran.h : Since the symbol tlink field is no longer used
	by the frontend for change management, change the comment to
	reflect its current uses.
	* parse.c (get_modproc_result): Same as decl.c changes.
	* resolve.c (resolve_fl_procedure): Ditto.

2016-12-09  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/77903
	* gfortran.dg/submodule_20.f08: New test.

From-SVN: r243507

re PR testsuite/78740 (test case powerpc/pr78691-ppc.c fails starting with its introduction in r243335)

2016-12-09  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR testsuite/78740
	* gcc.target/powerpc/pr78691-ppc.c: Remove -m32.

From-SVN: r243506

2016-12-09  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* config/rs6000/rs6000-passes.def: New file.
	* config/rs6000/rs6000-protos.h: Declare make_pass_analyze_swaps.
	* config/rs6000/rs6000.c (rs6000_option_override): Remove
	registration of machine-specific passes.
	(pass_analyze_swaps::clone): New function.
	* config/rs6000/t-rs6000: Define PASSES_EXTRA.

From-SVN: r243504

2016-12-09  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* gcc.target/powerpc/fold-vec-add-7.c: Require effective target to
	support __int128.

From-SVN: r243503

From-SVN: r243502

re PR tree-optimization/78721 (ICE on valid code at -O2 and -O3 on x86_64-linux-gnu: in set_value_range, at tree-vrp.c:371)

gcc/testsuite/ChangeLog:

2016-12-09  Kugan Vivekanandarajah  <kuganv@linaro.org>

	PR ipa/78721
	* gcc.dg/pr78721.c: New test.

gcc/ChangeLog:

2016-12-09  Kugan Vivekanandarajah  <kuganv@linaro.org>

	PR ipa/78721
	* ipa-cp.c (propagate_vr_accross_jump_function): drop_tree_overflow
	after fold_convert.

From-SVN: r243501

	PR target/72742
	* config/rs6000/rs6000.md (*and<mode>3_imm_mask_dot,
	*and<mode>3_imm_mask_dot2): Add rs6000_is_valid_and_mask to insn
	condition.

	* gcc.c-torture/compile/pr72742.c: New test.

From-SVN: r243500

On CPUs that implement popcnt[wd] but not cnttz[wd] we can do better for
the ctz sequences than we do today.

CL[TZ]_DEFINED_VALUE_AT_ZERO can return 2, since we always return the
same fixed value (only dependent on TARGET_* options).


	PR target/78683
	* config/rs6000/rs6000.h (CLZ_DEFINED_VALUE_AT_ZERO): Use
	GET_MODE_BITSIZE.  Return 2.
	(CTZ_DEFINED_VALUE_AT_ZERO): Use GET_MODE_BITSIZE.  Return 2.  Handle
	TARGET_POPCNTD the same as TARGET_CTZ.
	* config/rs6000/rs6000.md (ctz<mode>2): Reimplement.
	(ffs<mode>2): Reimplement.

From-SVN: r243499

	PR middle-end/78750
	* builtins.c (check_sizes): Use POINTER_TYPE_P.

	* g++.dg/torture/pr78750.C: New.

From-SVN: r243498

	on arm-unknown-linux-gnueabi (and likely other ILP32) targets.

From-SVN: r243497

gcc/ChangeLog:
2016-12-09  Andre Vieira <andre.simoesdiasvieira@arm.com>

	PR rtl-optimization/78255
	* gcc/postreload.c (reload_cse_simplify): Do not CSE a function if
	NO_FUNCTION_CSE is true.

gcc/testsuite/ChangeLog:
2016-12-09  Andre Vieira <andre.simoesdiasvieira@arm.com>

	PR rtl-optimization/78255
	* gcc.target/aarch64/pr78255.c: New.
	* gcc.target/arm/pr78255-1.c: New.
	* gcc.target/arm/pr78255-2.c: New.

From-SVN: r243494

	* gcc.target/powerpc/dimode-1.c: Update syntax on scan-assembler
	strings
	* gcc.target/powerpc/dimode-2.c: Likewise.

From-SVN: r243493

	* include/std/variant: Remove misplaced
	_GLIBCXX_BEGIN_NAMESPACE_VERSION macro.

From-SVN: r243489

	PR ipa/78027

	gcc/
	* ipa-icf.c (sem_function::parse): Don't process functions with
	oacc decl attributes, as they may be OpenACC routines.

	gcc/testsuite/
	* c-c++-common/goacc/acc-icf.c: New test.
	* gfortran.dg/goacc/pr78027.f90: New test.

From-SVN: r243488

gcc/ChangeLog:
	* rtl.h (get_mem_attrs): Add "const" qualifier to returned
	pointer.

From-SVN: r243487

        PR target/78733
        * gcc.target/aarch64/pr78733.c: New test.

From-SVN: r243486

2016-12-09  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/61767
	* class.c (has_finalizer_component): Fix this function to detect only
	non-pointer non-allocatable components which have a finalizer.

2016-12-09  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/61767
	* gfortran.dg/finalize_31.f90: New test.

From-SVN: r243483

gcc/fortran/ChangeLog:

2016-12-09  Andre Vehreschild  <vehre@gcc.gnu.org>

	PR fortran/78505
	* trans-stmt.c (gfc_trans_allocate): Add sync all after the execution
	of the whole allocate-statement to adhere to the standard.

gcc/testsuite/ChangeLog:

2016-12-09  Andre Vehreschild  <vehre@gcc.gnu.org>

	PR fortran/78505
	* gfortran.dg/coarray_alloc_with_implicit_sync_1.f90: New test.

From-SVN: r243482

gcc/fortran/ChangeLog:

2016-12-09  Andre Vehreschild  <vehre@gcc.gnu.org>

	* trans-array.c (gfc_array_deallocate): Remove wrapper.
	(gfc_trans_dealloc_allocated): Same.
	(structure_alloc_comps): Restructure deallocation of (nested)
	allocatable components.  Insert dealloc of sub-component into the block
	guarded by the if != NULL for the component.
	(gfc_trans_deferred_array): Use the almightly deallocate_with_status.
	* trans-array.h: Remove prototypes.
	* trans-expr.c (gfc_conv_procedure_call): Use the almighty deallocate_
	with_status.
	* trans-openmp.c (gfc_walk_alloc_comps): Likewise.
	(gfc_omp_clause_assign_op): Likewise. 
	(gfc_omp_clause_dtor): Likewise.
	* trans-stmt.c (gfc_trans_deallocate): Likewise.
	* trans.c (gfc_deallocate_with_status): Allow deallocation of scalar
	and arrays as well as coarrays.
	(gfc_deallocate_scalar_with_status): Get the data member for coarrays
	only when freeing an array with descriptor.  And set correct caf_mode
	when freeing components of coarrays.
	* trans.h: Change prototype of gfc_deallocate_with_status to allow
	adding statements into the block guarded by the if (pointer != 0) and
	supply a coarray handle.

gcc/testsuite/ChangeLog:

2016-12-09  Andre Vehreschild  <vehre@gcc.gnu.org>

	* gfortran.dg/coarray_alloc_comp_3.f08: New test.
	* gfortran.dg/coarray_alloc_comp_4.f08: New test.
	* gfortran.dg/finalize_18.f90: Add count for additional guard against
	accessing null-pointer.
	* gfortran.dg/proc_ptr_comp_47.f90: New test.

From-SVN: r243480

	PR c++/78550
	* convert.c (convert_to_integer_1): Maybe fold conversions to
	integral types with fewer bits than its mode.

	testsuite/
	PR c++/78550
	* g++.dg/cpp1y/pr78550.C: New.

From-SVN: r243479

2016-12-09  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/44265
	* gfortran.h : Add fn_result_spec bitfield to gfc_symbol.
	* resolve.c (flag_fn_result_spec): New function.
	(resolve_fntype): Call it for character result lengths.
	* symbol.c (gfc_new_symbol): Set fn_result_spec to zero.
	* trans-decl.c (gfc_sym_mangled_identifier): Include the
	procedure name in the mangled name for symbols with the
	fn_result_spec bit set.
	(gfc_finish_var_decl): Mark the decls of these symbols
	appropriately for the case where the function is external.
	(gfc_get_symbol_decl): Mangle the name of these symbols.
	(gfc_create_module_variable): Allow them through the assert.
	(gfc_generate_function_code): Remove the assert before the
	initialization of sym->tlink because the frontend no longer
	uses this field.
	* trans-expr.c (gfc_map_intrinsic_function): Add a case to
	treat the LEN_TRIM intrinsic.
	(gfc_trans_string_copy): Deal with Wstringop-overflow warning
	that can occur with constant source lengths at -O3.

2016-12-09  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/44265
	* gfortran.dg/char_result_14.f90: New test.
	* gfortran.dg/char_result_15.f90: New test.

From-SVN: r243478

	* tree-pretty-print.c (pretty_print_string): Escape non-printable
	chars in strings.
	* gcc.dg/tree-ssa/dump-3.c: New test.

From-SVN: r243477

	PR tree-optimization/78726
	* tree-ssa-reassoc.c (make_new_ssa_for_def): Add OPCODE and OP
	argument.  For lhs uses in debug stmts, don't replace lhs with
	new_lhs, but with a debug temp set to new_lhs opcode op.
	(make_new_ssa_for_all_defs): Add OPCODE argument, pass OPCODE and
	OP down to make_new_ssa_for_def.
	(zero_one_operation): Call make_new_ssa_for_all_defs even when
	stmts_to_fix is empty, if *def has not changed yet.  Pass
	OPCODE to make_new_ssa_for_all_defs.

	* gcc.c-torture/execute/pr78726.c: New test.
	* gcc.dg/guality/pr78726.c: New test.

From-SVN: r243476

From-SVN: r243474

From-SVN: r243473

PR c/77531 - __attribute__((alloc_size(1,2))) could also warn on multiplication overflow
PR c/78284 - warn on malloc with very large arguments

gcc/c-family/ChangeLog:

	PR c/78284
	* c.opt (-Walloc-zero, -Walloc-size-larger-than): New options.

gcc/ChangeLog:

	PR c/78284
	* builtin-attrs.def (ATTR_ALLOC_SIZE, ATTR_RETURNS_NONNULL): New
	identifier tree nodes.
	(ATTR_ALLOCA_SIZE_1_NOTHROW_LEAF_LIST): New attribute list.
	(ATTR_MALLOC_SIZE_1_NOTHROW_LIST): Same.
	(ATTR_MALLOC_SIZE_1_NOTHROW_LEAF_LIST): Same.
	(ATTR_MALLOC_SIZE_1_2_NOTHROW_LEAF_LIST): Same.
	(ATTR_ALLOC_SIZE_2_NOTHROW_LEAF_LIST): Same.
	* builtins.c (expand_builtin_alloca): Call
	maybe_warn_alloc_args_overflow.
	* builtins.def (aligned_alloc, calloc, malloc, realloc):
	Add attribute alloc_size.
	(alloca): Add attribute alloc_size and returns_nonnull.
	* calls.h (maybe_warn_alloc_args_overflow): Declare.
	* calls.c (alloc_max_size, operand_signed_p): New functions.
	(maybe_warn_alloc_args_overflow): Define.
	(initialize_argument_information): Diagnose overflow in functions
	declared with attaribute alloc_size.
	* doc/invoke.texi (Warning Options): Document -Walloc-zero and
	-Walloc-size-larger-than.

gcc/testsuite/ChangeLog:

	PR c/78284
	* gcc.dg/attr-alloc_size-3.c: New test.
	* gcc.dg/attr-alloc_size-4.c: New test.
	* gcc.dg/attr-alloc_size-5.c: New test.
	* gcc.dg/attr-alloc_size-6.c: New test.
	* gcc.dg/attr-alloc_size-7.c: New test.
	* gcc.dg/attr-alloc_size-8.c: New test.
	* gcc.dg/attr-alloc_size-9.c: New test.
	* gcc/testsuite/gcc.dg/errno-1.c: Adjust.

From-SVN: r243470

        * testsuite/25_algorithms/headers/algorithm/
        parallel_algorithm_assert2.cc: Move dg-do run first.

From-SVN: r243468

From-SVN: r243465

2016-12-07  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/65173
	PR fortran/69064
	PR fortran/69859
	PR fortran/78350
	* gfortran.h (gfc_namespace): Remove old_cl_list member.
	* parse.c (use_modules, next_statement): old_cl_list is gone.
	(clear_default_charlen): Remove no longer used function.
	(reject_statement): Do not try ot clean up gfc_charlen structure(s)
	that may have been added to a cl_list list.
	* symbol.c (gfc_new_charlen): old_cl_list structure is gone.

2016-12-07  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/65173
	PR fortran/69064
	PR fortran/69859
	PR fortran/78350
	* gfortran.dg/misplaced_implicit_character.f90: Adjust errors.
	* gfortran.dg/charlen_01.f90: New test.
	* gfortran.dg/charlen_02.f90: Ditto.
	* gfortran.dg/charlen_03.f90: Ditto.
	* gfortran.dg/charlen_04.f90: Ditto.
	* gfortran.dg/charlen_05.f90: Ditto.
	* gfortran.dg/charlen_06.f90: Ditto.
	* gfortran.dg/charlen_07.f90: Ditto.
	* gfortran.dg/charlen_08.f90: Ditto.
	* gfortran.dg/charlen_09.f90: Ditto.
	* gfortran.dg/charlen_10.f90: Ditto.
	* gfortran.dg/charlen_11.f90: Ditto.
	* gfortran.dg/charlen_12.f90: Ditto.
	* gfortran.dg/charlen_13.f90: Ditto.
	* gfortran.dg/charlen_14.f90: Ditto.
	* gfortran.dg/charlen_15.f90: Ditto.
	* gfortran.dg/charlen_16.f90: Ditto.

From-SVN: r243463

re PR rtl-optimization/78671 (ICE: in extract_constrain_insn, at recog.c:2213 with -Og -march=skylake-avx512)

2016-12-08  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/78671
	* lra-assign.c (lra-assigns.c): Check prohibited regs for an
	allocno class.

2016-12-08  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/78671
	* gcc.target/i386/pr78671.c: New.

From-SVN: r243462