libcpp/ChangeLog:
	* line-map.c (get_combined_adhoc_loc): Remove condition
	on locus < RESERVED_LOCATION_COUNT when considering
	whether a caret == start == finish location can be
	simply stored as the caret location.

From-SVN: r231918

	* gimple-ssa-split-paths.c (split_paths): Avoid unnecessary block
	copying.

From-SVN: r231915

re PR c++/66921 (failure to determine size of static constexpr array that is nested within a templated class)

	PR c++/66921
	* decl.c (cp_complete_array_type): Allow an initializer that
	already has array type.

From-SVN: r231914

	PR c++/67257
	* parser.c (cp_parser_single_declaration): Reject a class template
	that also declares a variable.

From-SVN: r231913

	PR c++/67339
	* parser.c (cp_parser_elaborated_type_specifier): Use CLASS_TYPE_P
	rather than check for RECORD_TYPE.

From-SVN: r231912

	PR c++/67376
	* fold-const.c (size_low_cst): Removed.
	(fold_comparison): For POINTER_PLUS_EXPR where base is ADDR_EXPR
	call get_inner_reference and handle INDIRECT_REF base of it.  Use
	offset_int for computation of the bitpos.
	(fold_binary_loc) <case EQ_EXPR, NE_EXPR>: Formatting
	fixes for X +- Y CMP X and C - X CMP X folding.  Add X CMP X +- Y
	and X CMP C - X folding.

	* g++.dg/cpp0x/constexpr-67376.C: New test.

From-SVN: r231909

The must-not-throw wrapper for protect_cleanup_actions gets in
the way of being able to access __builtin_eh_pointer without
confusion as the identit of the exception to which we are
referring (b_eh_p has no usable argument up to this point).

Since EH_ELSE never comes from user derived code, let's drop
the c++ specific wrapping.

	* tree-eh.c (honor_protect_cleanup_actions): Do not wrap
	eh_else in a must-not-throw; set ehp_region for it too.

From-SVN: r231908

PR ipa/67811

	* gimple.h (struct gtransaction): Add label_norm, label_uninst;
	replace label with label_over.
	(gimple_build_transaction): Remove label parameter.
	(gimple_transaction_label_norm): New.
	(gimple_transaction_label_uninst): New.
	(gimple_transaction_label_over): Rename from gimple_transaction_label.
	(gimple_transaction_label_norm_ptr): New.
	(gimple_transaction_label_uninst_ptr): New.
	(gimple_transaction_label_over_ptr): Rename from
	gimple_transaction_label_ptr.
	(gimple_transaction_set_label_norm): New.
	(gimple_transaction_set_label_uninst): New.
	(gimple_transaction_set_label_over): Rename from
	gimple_transaction_set_label.
	* gimple-pretty-print.c (dump_gimple_transaction): Update.
	* gimple-streamer-in.c (input_gimple_stmt) [GIMPLE_TRANSACTION]: Same.
	* gimple-streamer-out.c (output_gimple_stmt) [GIMPLE_TRANSACTION]: Same.
	* gimple-walk.c (walk_gimple_op) [GIMPLE_TRANSACTION]: Same.
	* tree-cfg.c (make_edges_bb) [GIMPLE_TRANSACTION]: Same.
	(cleanup_dead_labels) [GIMPLE_TRANSACTION]: Same.
	(verify_gimple_transaction): Same.
	(gimple_redirect_edge_and_branch) [GIMPLE_TRANSACTION]: Same.
	* tree-inline.c (remap_gimple_stmt) [GIMPLE_TRANSACTION]: Same.
	* gimple.c (gimple_build_transaction): Remove label parameter;
	initialize all three label memebers.
	* gimplify.c (gimplify_transaction): Update call
	to gimple_build_transaction.
	* trans-mem.c (make_tm_uninst): New.
	(lower_transaction): Create uninstrumented code path here...
	(ipa_tm_scan_calls_transaction): ... not here.
	(ipa_uninstrument_transaction): Remove.

testsuite/
	* g++.dg/tm/noexcept-1.C: Update expected must_not_throw count.
	* g++.dg/tm/noexcept-4.C: Likewise.
	* g++.dg/tm/noexcept-5.C: Likewise.
	* g++.dg/tm/pr67811.C: New.

From-SVN: r231907

From-SVN: r231906

gcc/
	PR target/68772
	* config/rs6000/rs6000.h (ASM_CPU_SPEC): For -mcpu=powerpc64le,
	pass %(asm_cpu_power8)/-mpwr8.
	* config/rs6000/aix53.h: Likewise.
	* config/rs6000/aix61.h: Likewise.
	* config/rs6000/aix71.h: Likewise.

gcc/testsuite/
	PR target/68772
	* gcc.target/powerpc/pr68872.c: New test.

From-SVN: r231905

gcc/cp/ChangeLog:

	* pt.c (make_pack_expansion): Make sure to initialize
	ppd.type_pack_expansion_p.

From-SVN: r231904

From: H.J. Lu  <hongjiu.lu@intel.com>

Since sibcall never returns, we can only use call-clobbered register as
GOT base.  Otherwise, callee-saved register used as GOT base won't be
properly restored.  sibcall_memory_operand is changed to allow 32-bit
GOT slot only with pseudo register as GOT base for RTL expansion.  2
new patterns, *sibcall_GOT_32 and *sibcall_value_GOT_32, are added to
expose GOT base register to register allocator so that call-clobbered
register will be used for GOT base.

gcc/

	PR target/68937
	* config/i386/i386.c (ix86_function_ok_for_sibcall): Count
	call to global function via GOT slot as indirect call.
	* config/i386/i386.md (*sibcall_GOT_32): New pattern.
	(*sibcall_value_GOT_32): Likewise.
	* config/i386/predicates.md (sibcall_memory_operand): Rewrite.
	Allow 32-bit GOT slot only with pseudo register as GOT base.
	(GOT32_symbol_operand): New predicate.

gcc/testsuite/

	PR target/68937
	* gcc.target/i386/pr68937-1.c: New test.
	* gcc.target/i386/pr68937-2.c: Likewise.
	* gcc.target/i386/pr68937-3.c: Likewise.
	* gcc.target/i386/pr68937-4.c: Likewise.
	* gcc.target/i386/pr68937-5.c: Likewise.
	* gcc.target/i386/pr68937-6.c: Likewise.

From-SVN: r231903

	PR c/69002
	* c-typeck.c (build_component_ref): Warn when acessing elements of
	atomic structures or unions.

	* gcc.dg/c11-atomic-1.c: Add dg-warnings.
	* gcc.dg/c11-atomic-4.c: New test.

From-SVN: r231902

This series of patches fix PR61441. This patch avoids various transformations
with signaling NaN operands when flag_signaling_nans is on, to avoid folding
which would lose exceptions.

Bootstrapped & regression-tested on x86_64-linux-gnu.

gcc/
	* fold-const.c (const_binop): Convert sNaN to qNaN when
	flag_signaling_nans is off.
	(const_unop): Avoid the operation, other than NEGATE and
	ABS, if flag_signaling_nans is on and the operand is an sNaN.
	(fold_convert_const_real_from_real): Avoid the operation if
	flag_signaling_nans is on and the operand is an sNaN.
	(integer_valued_real_unary_p): Update comment stating it
	returns false for sNaN values.
	(integer_valued_real_binary_p, integer_valued_real_call_p): Same.
	(integer_valued_real_single_p): Same.
	(integer_valued_real_invalid_p, integer_valued_real_p): Same.
	* fold-const-call.c (fold_const_pow): Avoid the operation
	if flag_signaling_nans is on and the operand is an sNaN.
	(fold_const_builtin_load_exponent) Same.
	(fold_const_call_sss): Same for CASE_CFN_POWI.
	* gimple-fold.c (gimple_assign_integer_valued_real_p): Same.
	(gimple_call_integer_valued_real_p): Same.
	(gimple_phi_integer_valued_real_p): Same.
	(gimple_stmt_integer_valued_real_p): Same.
	* simplify-rtx.c (simplify_const_unary_operation): Avoid the
	operation if flag_signaling_nans is on and the operand is an sNaN.
	(simplify_const_binary_operation): Same.
	* tree-ssa-math-opts.c (gimple_expand_builtin_pow): Avoid the
	operation if flag_signaling_nans is on and the operand is an sNaN.

	* gcc.dg/pr61441.c: New testcase.

From-SVN: r231901

	PR libstdc++/59768
	* include/std/functional (__invfwd): Add inline specifier.

From-SVN: r231900

	* combine.c (simplify_comparison): Convert preprocessor check of
	WORD_REGISTER_OPERATIONS into runtime check.

From-SVN: r231899

From-SVN: r231898

	PR debug/60756
	* var-tracking.c (tracked_record_parameter_p): New predicate.
	(track_expr_p): Invoke it.
	(add_stores): Likewise.

From-SVN: r231897

	* dbgcnt.def (dom_unreachable_edges): New debug counter.
	* tree-ssa-dom.c: Include dbgcnt.h
	(dom_opt_dom_walker::before_dom_children): Handle the new counter.

From-SVN: r231896

	* go-gcc.cc (class Bvariable): Remove Gcc_tree parent class.  Add
	t_ and orig_type_ fields.  Add new two parameter constructor.  Add
	get_tree and get_decl methods.
	(Gcc_backend::var_expression): Pass location to var get_tree.
	(Gcc_backend::global_variable): Don't add VIEW_CONVERT_EXPR.  Use
	two parameter constructor for Bvariable.
	(Gcc_backend::global_variable_set_init): Don't remove
	VIEW_CONVERT_EXPR.  Use var get_decl, not get_tree.
	(Gcc_backend::write_global_definitions): Likewise.
	(Gcc_backend::init_statement): Call var get_decl, not get_tree.
	(Gcc_backend::block): Likewise.
	(Gcc_backend::implicit_variable_set_init): Likewise.
	(Gcc_backend::immutable_struct_set_init): Likewise.
	(Gcc_backend::function_set_parameters): Likewise.

From-SVN: r231894

From-SVN: r231892

go-gcc.cc (Gcc_backend::global_variable): If type is zero-sized, add a VIEW_CONVERT_EXPR to the tree.

	* go-gcc.cc (Gcc_backend::global_variable): If type is zero-sized,
	add a VIEW_CONVERT_EXPR to the tree.
	(Gcc_backend::global_variable_set_init): Remove any
	VIEW_CONVERT_EXPR.
	(Gcc_backend::write_global_definitions): Likewise.

From-SVN: r231888

2015-12-21  Andrew Pinski <apinski@cavium.com>

        * config/aarch64/aarch64-option-extensions.def (LSE): Change
        FEAT_STRING to "atomics".

From-SVN: r231887

gcc/c-family/ChangeLog:
	* c-common.c (binary_op_error): Convert first param from
	location_t to rich_location * and use it when emitting an error.
	* c-common.h (binary_op_error): Convert first param from
	location_t to rich_location *.

gcc/c/ChangeLog:
	* c-typeck.c: Include "gcc-rich-location.h".
	(build_binary_op): In the two places that call binary_op_error,
	create a gcc_rich_location and populate it with the location of
	the binary op and its two operands.

gcc/cp/ChangeLog:
	* typeck.c (cp_build_binary_op): Update for change in signature
	of build_binary_op.  Use error_at to replace an implicit use
	of input_location with param "location" in "invalid operands"
	error.
	(cp_build_binary_op): Replace an error with an error_at, using
	"location", rather than implicitly using input_location.

gcc/testsuite/ChangeLog:
	* g++.dg/diagnostic/bad-binary-ops.C: New test case.
	* gcc.dg/bad-binary-ops.c: New test case.
	gcc.dg/plugin/diagnostic_plugin_show_trees.c (get_range_for_expr):
	Remove material copied from gcc-rich-location.c
	(gcc_rich_location::add_expr): Likewise.

From-SVN: r231884

An unintended effect of the recently introduced machinery to handle
dynamic data member offsets in variable-length records (when
-fgnat-encodings=minimal) prevented GCC from describing correctly
inheritance information for classes in C++, which is a regression.

This change rectifies this machinery in this case.

gcc/ChangeLog:

	* dwarf2out.c (add_data_member_location_attribute): Do not
	disable dynamic data member offsets descriptions for TREE_BINFO
	members.

From-SVN: r231883

	PR tree-optimization/65337
	* tree-ssa-pre.c (eliminate): Also clean up abnormal edges if need be.

From-SVN: r231882

	PR libstdc++/68982
	testsuite/20_util/function_objects/mem_fn/68276.cc: Rename to ...
	testsuite/20_util/function_objects/mem_fn/68982.cc: Correct bug number.

From-SVN: r231881

	PR libstdc++/68995
	* include/std/functional (_function_handler, function): Qualify
	__callable_functor.
	* testsuite/20_util/function/68995.cc: New.

From-SVN: r231880

	PR libstdc++/68276
	* include/std/functional (__invoke_impl, _Mem_fn::operator()): Qualify
	std::forward.
	testsuite/20_util/function_objects/mem_fn/68276.cc: New.

From-SVN: r231879

From-SVN: r231877

2015-12-21  Dominik Vogt  <vogt@linux.vnet.ibm.com>

	* config/s390/s390.c (s390_emit_prologue): Fix base reg condition.

From-SVN: r231876

PR libstdc++/66693.

	* include/std/tuple (tuple_element, tuple_size, tuple_element_t,
	__tuple_element_t): Move to...
	* include/std/utility: ...here.
	* testsuite/20_util/pair/astuple/astuple.cc: Adjust.
	* testsuite/20_util/pair/astuple/astuple_cpp14.cc: New.
	* testsuite/20_util/tuple/tuple_element.cc: Adjust.
	* testsuite/20_util/tuple/tuple_element_t.cc: Likewise.
	* testsuite/20_util/tuple/tuple_size.cc: Likewise.
	* testsuite/23_containers/array/tuple_interface/tuple_element.cc:
	Likewise.
	* testsuite/23_containers/array/tuple_interface/tuple_element_cpp14.cc:
	New.
	* testsuite/23_containers/array/tuple_interface/tuple_size.cc: Adjust.

From-SVN: r231875

gcc/
2015-12-21  Claudiu Zissulescu  <claziss@synopsys.com>

	* config/arc/builtins.def: New file.
	* config/arc/arc.c (arc_init_simd_builtins): Remove.
	(arc_builtins): Likewise.
	(TARGET_BUILTIN_DECL): Define.
	(arc_builtin_id): New enum.
	(arc_builtin_description): New structure.
	(arc_bdesc): New variable.
	(arc_tolower): New function.
	(def_mbuiltin): Remove.
	(arc_builtin_decl): New function.
	(arc_expand_builtin_aligned ): Likewise.
	(apply_GEN_FCN): Likewise.
	(arc_init_builtins): Refurbish.
	(arc_expand_builtin): Likewise.
	(simd_insn_args_type): Remove.
	(builtin_description): Likewise
	(arc_simd_builtin_desc_list): Likewise.
	(arc_expand_simd_builtin): Likewise.
	(arc_process_double_reg_moves): Use the new builtin name format.
	* config/arc/arc.md (unspec): New builtin function UNSPEC codes.
	(vunspec): New builtin function VUNSPEC codes.
	(UNSPEC_SWAP, UNSPEC_MUL64, UNSPEC_MULU64, UNSPEC_DIVAW)
	(UNSPEC_DIRECT, UNSPEC_LP, UNSPEC_CASESI, VUNSPEC_RTIE)
	(VUNSPEC_SYNC, VUNSPEC_BRK, VUNSPEC_FLAG, VUNSPEC_SLEEP)
	(VUNSPEC_SWI, VUNSPEC_CORE_READ, VUNSPEC_CORE_WRITE, VUNSPEC_LR)
	(VUNSPEC_SR, VUNSPEC_TRAP_S, VUNSPEC_UNIMP_S, VUNSPEC_NOP)
	(UNSPEC_ARC_MEMBAR,VUNSPEC_ARC_CAS, VUNSPEC_ARC_LL)
	(VUNSPEC_ARC_SC, VUNSPEC_ARC_EX, VUNSPEC_DEXCL)
	(VUNSPEC_DEXCL_NORES, VUNSPEC_LR_HIGH): Remove.
	(mul64, mulu64): Remove patterns.
	(store_direct, *movdf_insn_nolrsr, casesi, casesi_load)
	(casesi_compact_jump, nopv, swap, divaw, flag, brk, rtie, sync)
	(swi, sleep, core_read, core_write, lr, sr, trap_s, unimp_s)
	(doloop_begin_i): Use new builtin function code naming.
	(kflag, clri, ffs, ffs_f, ffssi2, fls, seti): New patterns.
	* config/arc/builtins.def: New file.
	* config/arc/fpx.md: Use new builtin function code naming.
	* config/arc/simdext.md: New SIMD builtin function UNSPEC
	codes. Use them in the SIMD patterns.

gcc/testsuite
2015-12-21  Claudiu Zissulescu  <claziss@synopsys.com>

	* gcc.target/arc/builtin_general.c: New test.
	* gcc.target/arc/builtin_simd.c: Likewise.
	* gcc.target/arc/builtin_special.c: Likewise.

From-SVN: r231874

	PR 66827
	* regex.c (EXTRACT_NUMBER): Cast sign byte to unsigned before left
	shifting.

From-SVN: r231873

This series of patches fix PR61441. This patch makes resulting NaN values
to be quiet NaN for real value operations, irrespective of the flag_signaling_nans
flag. The caller has the responsibility to avoid the operation if flag_signaling_nans
is on.

gcc/
	* real.c (do_add): Make resulting NaN value to be qNaN.
	(do_multiply, do_divide, do_fix_trunc): Same.
	(real_arithmetic, real_ldexp, real_convert): Same.
	(real_isinteger): Updated comment stating it returns false for sNaN.

From-SVN: r231872

	PR tree-optimization/64910
	* config/i386/i386.md (testqi_ext_3): Allow HImode.

	PR tree-optimization/64910
	* gcc.target/i386/bittest.c: New test.

From-SVN: r231871

	PR c++/67411
	* decl2.c (decl_maybe_constant_var_p): Use DECL_HAS_VALUE_EXPR_P.

From-SVN: r231869

From-SVN: r231867

        * config/aarch64/atomics.md
        (aarch64_atomic_<atomic_optab>_fetch<mode>_lse): Add early clobber
        to the scratch register.

From-SVN: r231864

	PR c++/67411

	* lambda.c (generic_lambda_fn_p): Split out from...
	(maybe_add_lambda_conv_op): ...here.
	* semantics.c (process_outer_var_ref): Don't defer maybe-constant
	variables in a generic lambda.
	* pt.c (instantiate_non_dependent_or_null): New.
	* init.c (constant_value_1): Use it.
	* cp-tree.h: Declare it and generic_lambda_fn_p.

From-SVN: r231863