gcc/
	* config/nvptx/nvptx.h (ASM_OUTPUT_ALIGN): Define as a C statment.

    gcc/doc/tm.texi:@defmac ASM_OUTPUT_ALIGN (@var{stream}, @var{power})
    gcc/doc/tm.texi-A C statement to output to the stdio stream @var{stream} an assembler
    gcc/doc/tm.texi-command to advance the location counter to a multiple of 2 to the
    gcc/doc/tm.texi-@var{power} bytes.  @var{power} will be a C expression of type @code{int}.
    gcc/doc/tm.texi-@end defmac

    gcc/config/nvptx/nvptx.h:#define ASM_OUTPUT_ALIGN(FILE, POWER)

"Empty" is not a C statement, and so in code such as:

    gcc/dwarf2out.c-              if (lsda_encoding == DW_EH_PE_aligned)
    gcc/dwarf2out.c:                ASM_OUTPUT_ALIGN (asm_out_file, floor_log2 (PTR_SIZE));
    gcc/dwarf2out.c-              dw2_asm_output_data (size_of_encoded_value (lsda_encoding), 0,
    gcc/dwarf2out.c-                                   "Language Specific Data Area (none)");

    gcc/varasm.c-      if (align > BITS_PER_UNIT)
    gcc/varasm.c:        ASM_OUTPUT_ALIGN (asm_out_file, floor_log2 (align / BITS_PER_UNIT));
    gcc/varasm.c-      assemble_variable_contents (decl, name, dont_output_data);

    gcc/varasm.c-  if (align > 0)
    gcc/varasm.c:    ASM_OUTPUT_ALIGN (asm_out_file, align);
    gcc/varasm.c-
    gcc/varasm.c-  targetm.asm_out.internal_label (asm_out_file, "LTRAMP", 0);

    gcc/varasm.c-      if (align > BITS_PER_UNIT)
    gcc/varasm.c:        ASM_OUTPUT_ALIGN (asm_out_file, floor_log2 (align / BITS_PER_UNIT));
    gcc/varasm.c-      assemble_constant_contents (exp, XSTR (symbol, 0), align);

..., GCC warns:

    [...]/source-gcc/gcc/dwarf2out.c: In function 'void output_fde(dw_fde_ref, bool, bool, char*, int, char*, bool, int)':
    [...]/source-gcc/gcc/dwarf2out.c:665:3: warning: suggest braces around empty body in an 'if' statement [-Wempty-body]
       ASM_OUTPUT_ALIGN (asm_out_file, floor_log2 (PTR_SIZE));
       ^

    [...]/source-gcc/gcc/varasm.c: In function 'void assemble_variable(tree, int, int, int)':
    [...]/source-gcc/gcc/varasm.c:2217:2: warning: suggest braces around empty body in an 'if' statement [-Wempty-body]
      ASM_OUTPUT_ALIGN (asm_out_file, floor_log2 (align / BITS_PER_UNIT));
      ^
    [...]/source-gcc/gcc/varasm.c: In function 'rtx_def* assemble_trampoline_template()':
    [...]/source-gcc/gcc/varasm.c:2603:5: warning: suggest braces around empty body in an 'if' statement [-Wempty-body]
         ASM_OUTPUT_ALIGN (asm_out_file, align);
         ^
    [...]/source-gcc/gcc/varasm.c: In function 'void output_constant_def_contents(rtx)':
    [...]/source-gcc/gcc/varasm.c:3413:2: warning: suggest braces around empty body in an 'if' statement [-Wempty-body]
      ASM_OUTPUT_ALIGN (asm_out_file, floor_log2 (align / BITS_PER_UNIT));
      ^

Also, "use" the values, to get rid of that one:

    [...]/source-gcc/gcc/final.c: In function 'rtx_insn* final_scan_insn(rtx_insn*, FILE*, int, int, int*)':
    [...]/source-gcc/gcc/final.c:2450:12: warning: variable 'log_align' set but not used [-Wunused-but-set-variable]
            int log_align;
                ^

From-SVN: r218689

2014-12-12  Vladimir Makarov  <vmakarov@redhat.com>

	PR target/64110
	* lra-constraints.c (process_alt_operands): Refuse alternative
	when reload pseudo of given class can not hold value of given
	mode.

2014-12-12  Vladimir Makarov  <vmakarov@redhat.com>

	PR target/64110
	* gcc.target/i386/pr64110.c: New.

From-SVN: r218688

	gcc/testsuite/
	* c-c++-common/gomp/nesting-1.c: New file.
	* c-c++-common/gomp/nesting-warn-1.c: Likewise.

From-SVN: r218687

	* gimple-walk.c (walk_gimple_op) <GIMPLE_OMP_FOR>: Also check
	intermediate walk_tree results for for_incr.
	<GIMPLE_OMP_TARGET>: Walk child_fn and data_arg, too.
	<GIMPLE_OMP_CRITICAL, GIMPLE_OMP_ATOMIC_STORE>: Pretty printing.

From-SVN: r218686

	N3922
	* pt.c (do_auto_deduction): In direct-init context, { x } deduces
	from x.

From-SVN: r218685

	* cp-tree.h (NAMESPACE_ABI_TAG): New.
	* name-lookup.c (handle_namespace_attrs): Set it.
	* class.c (check_tag): Split out from find_abi_tags_r.
	(find_abi_tags_r): Also check namespace tags.
	(mark_type_abi_tags): Also mark namespace tags.

From-SVN: r218684

	PR c++/63996
	* g++.dg/cpp1y/pr63996.C: New file.

From-SVN: r218683

	PR c++/63996
	* constexpr.c (cxx_eval_loop_expr): Don't loop
	endless on none-constant expression.

From-SVN: r218682

From-SVN: r218681

	PR c++/61402
	* lambda.c (add_capture): Don't pass a dependent type to
	variably_modified_type_p.

From-SVN: r218680

re PR libstdc++/64276 (would be better to use __cpp_exceptions rather than __EXCEPTIONS to determine whether exceptions are available)

	PR libstdc++/64276
	* doc/doxygen/user.cfg.in: Define __cpp_exceptions and __cpp_rtti.
	* doc/html/manual/using_exceptions.html: Regenerate.
	* doc/xml/manual/using_exceptions.xml: Use SD-6 feature-testing
	macros, __cpp_exceptions and __cpp_rtti, instead of __EXCEPTIONS and
	__GXX_RTTI.
	* include/bits/c++config: Likewise.
	* include/bits/locale_classes.tcc: Likewise.
	* include/bits/shared_ptr.h: Likewise.
	* include/bits/shared_ptr_base.h: Likewise.
	* include/debug/formatter.h: Likewise.
	* include/experimental/any: Likewise.
	* include/ext/rope: Likewise.
	* include/ext/ropeimpl.h: Likewise.
	* include/std/functional: Likewise.
	* include/tr1/functional: Likewise.
	* include/tr1/shared_ptr.h: Likewise.
	* libsupc++/eh_call.cc: Likewise.
	* libsupc++/eh_personality.cc: Likewise.
	* libsupc++/exception_defines.h: Likewise.
	* libsupc++/exception_ptr.h: Likewise.
	* libsupc++/guard.cc: Likewise.
	* libsupc++/pbase_type_info.cc: Likewise.
	* libsupc++/pointer_type_info.cc: Likewise.
	* libsupc++/vterminate.cc: Likewise.
	* src/c++11/thread.cc: Likewise.

From-SVN: r218679

gcc/
	PR middle-end/64182
	* wide-int.h (wi::div_round, wi::mod_round): Fix rounding of tied
	cases.
	* double-int.c (div_and_round_double): Fix handling of unsigned
	cases.  Use same rounding approach as wide-int.h.

gcc/testsuite/
2014-xx-xx  Richard Sandiford  <richard.sandiford@arm.com>
	    Joseph Myers  <joseph@codesourcery.com>

	PR middle-end/64182
	* gcc.dg/plugin/wide-int-test-1.c,
	gcc.dg/plugin/wide-int_plugin.c: New test.
	* gcc.dg/plugin/plugin.exp: Register it.
	* gnat.dg/round_div.adb: New test.

Co-Authored-By: Joseph Myers <joseph@codesourcery.com>

From-SVN: r218678

	PR libstdc++/64241
	* libsupc++/exception_ptr.h: Return empty object when exceptions are
	disabled.
	* testsuite/18_support/exception_ptr/64241.cc: New.

From-SVN: r218675

	PR middle-end/64274
	* fold-const.c (fold_binary_loc): Add ANY_INTEGRAL_TYPE_P check.

From-SVN: r218671

	* include/bits/stl_iterator.h (make_reverse_iterator): LWG DR 2285.
	* include/std/tuple: Add feature-test macro.
	* testsuite/24_iterators/reverse_iterator/make.cc: New.

From-SVN: r218670

	PR tree-optimization/64269
	* tree-ssa-forwprop.c (simplify_builtin_call): Bail out if
	len2 or diff are too large.

	* gcc.c-torture/compile/pr64269.c: New test.

From-SVN: r218669

2014-12-12  Richard Biener  <rguenther@suse.de>

	PR middle-end/64280
	* tree-cfg.c (replace_uses_by): Guard assert properly.

	* g++.dg/torture/pr64280.C: New testcase.

From-SVN: r218668

From-SVN: r218666

re PR rtl-optimization/64255 (failures with -O2 optimization on i >= 0 ? (unsigned long) i : - (unsigned long) i)

	PR rtl-optimization/64255
	* gcc.c-torture/execute/pr64255.c: New test.

	PR rtl-optimization/64260
	* gcc.c-torture/execute/pr64260.c: New test.

From-SVN: r218665

	* testsuite/lib/libatomic.exp: Load target-utils.exp

	* testsuite/lib/libitm.exp: Load target-utils.exp.
	Move load of target-supports.exp earlier.

	* testsuite/lib/libvtv.exp: Load target-utils.exp

From-SVN: r218664

2014-12-12  Marc Glisse  <marc.glisse@inria.fr>

	* real.h (HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
	HONOR_SIGN_DEPENDENT_ROUNDING): Replace macros with 3 overloaded
	declarations.
	* real.c (HONOR_NANS): Fix indentation.
	(HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
	HONOR_SIGN_DEPENDENT_ROUNDING): Define three overloads.
	* builtins.c (fold_builtin_cproj, fold_builtin_signbit,
	fold_builtin_fmin_fmax, fold_builtin_classify): Simplify argument
	of HONOR_*.
	* fold-const.c (operand_equal_p, fold_comparison, fold_binary_loc):
	Likewise.
	* gimple-fold.c (gimple_val_nonnegative_real_p): Likewise.
	* ifcvt.c (noce_try_move, noce_try_minmax, noce_try_abs): Likewise.
	* omp-low.c (omp_reduction_init): Likewise.
	* rtlanal.c (may_trap_p_1): Likewise.
	* simplify-rtx.c (simplify_const_relational_operation): Likewise.
	* tree-ssa-dom.c (record_equality, record_edge_info): Likewise.
	* tree-ssa-phiopt.c (value_replacement, abs_replacement): Likewise.
	* tree-ssa-reassoc.c (eliminate_using_constants): Likewise.
	* tree-ssa-uncprop.c (associate_equivalences_with_edges): Likewise.

From-SVN: r218663

	* testsuite/lib/libgomp.exp: Load target-utils.exp.
	Move load of target-supportes.exp earlier.

From-SVN: r218662

	* testsuite/lib/libstdc++.exp: Include target-utils.exp.
	(v3_target_compile): Check if test is unsupported.
	(v3_target_compile_as_c): Likewise.

From-SVN: r218661

	* ipa-inline.c (ipa_inline): Fix condition on when
	TODO_remove_unreachable_functions is needed.

From-SVN: r218660

	* ipa-devirt.c (possible_polymorphic_call_targets): Return early
	if otr_type has no BINFO.

From-SVN: r218659

2014-12-12  Zhenqiang Chen  <zhenqiang.chen@arm.com>

	PR rtl-optimization/63917
	* ifcvt.c (cc_in_cond): New function.
	(end_ifcvt_sequence): Make sure new generated insns do not clobber CC.
	(noce_process_if_block, check_cond_move_block): Check CC references.

testsuite/ChangeLog:
2014-12-12  Zhenqiang Chen  <zhenqiang.chen@arm.com>

	* gcc.dg/pr64007.c: New test.

From-SVN: r218658

	gcc/testsuite
	* gcc.target/aarch64/ldp_stp_2.c: Make test less vulnerable.
	* gcc.target/aarch64/ldp_stp_3.c: Ditto.

From-SVN: r218657

From-SVN: r218656

gcc/cp/
	* decl.c (compute_array_index_type): VLAs are not part of C++14.
	(create_array_type_for_decl, grokdeclarator): Likewise.
	* lambda.c (add_capture): Likewise.
	* pt.c (tsubst): Likewise.
	* rtti.c (get_tinfo_decl): Likewise.
	* semantics.c (finish_decltype_type): Likewise.
	* typeck.c (cxx_sizeof_or_alignof_type): Likewise.
	(cp_build_addr_expr_1): Likewise.
	* init.c (build_vec_init): Don't throw bad_array_length.
gcc/c-family/
	* c-cppbuiltin.c (c_cpp_builtins): Define __cpp_runtime_arrays if
	we aren't complaining about VLAs.
libstdc++-v3/
	* libsupc++/new (bad_array_length): Move...
	* bad_array_length.cc: ...here.
	* cxxabi.h, eh_aux_runtime.cc (__cxa_throw_bad_array_new_length): Also
	move to bad_array_length.cc.

	* c-cppbuiltin.c (c_cpp_builtins): Define __cpp_runtime_arrays if
	we aren't complaining about VLAs.

From-SVN: r218655

	PR c++/64248
	Revert:
	* parser.c (cp_parser_unqualified_id): Handle __func__ here.
	(cp_parser_primary_expression): Not here.

From-SVN: r218654

	PR c++/57510
	* typeck2.c (split_nonconstant_init_1): Handle arrays here.
	(store_init_value): Not here.
	(split_nonconstant_init): Look through TARGET_EXPR.  No longer static.
	* cp-tree.h: Declare split_nonconstant_init.
	* call.c (set_up_extended_ref_temp): Use split_nonconstant_init.

From-SVN: r218653

contrib/
	* download_prerequisites: Modify the comment for GRAPHITE_LOOP_OPT.

From-SVN: r218652

From-SVN: r218651

2014-12-11  Andrew Pinski  <apinski@cavium.com>

        * config/aarch64/aarch64-protos.h (tune_params): Add align field.
        * config/aarch64/aarch64.c (generic_tunings): Specify align.
        (cortexa53_tunings): Likewise.
        (cortexa57_tunings): Likewise.
        (thunderx_tunings): Likewise.
        (aarch64_override_options): Set align_loops, align_jumps,
        align_functions based on what the tuning struct.

From-SVN: r218645

From-SVN: r218642

	* gcc.dg/builtin-arith-overflow-1.c (fn2): Take signed char.
	(fn3): Likewise.

From-SVN: r218641

re PR ipa/61324 (ICE: SIGSEGV at ipa-comdats.c:321 with -fno-use-cxa-atexit -fkeep-inline-functions)


	PR ipa/61324
	* testsuite/g++.dg/pr61324.C: New testcase by Trevor Saunders.
	* testsuite/g++.dg/tm/pr51411-2.C: Update se the extern function is
	not eliminated early.
	* testsuite/gcc.target/i386/pr57756.c: Turn extern inline into static
	inline.

	* passes.c (execute_todo): Update call of remove_unreachable_nodes.
	* ipa-chkp.c (chkp_produce_thunks): Use TODO_remove_functions.
	* cgraphunit.c (symbol_table::process_new_functions): Add
	IPA_SSA_AFTER_INLINING.
	(ipa_passes): Update call of remove_unreachable_nodes.
	(symbol_table::compile): Remove call of remove_unreachable_nodes.
	* ipa-inline.c (inline_small_functions): Do not ICE with
	-flto-partition=none
	(ipa_inline): Update symtab->state; fix formatting
	update call of remove_unreachable_nodes.
	* cgraphclones.c (symbol_table::materialize_all_clones): Likewise.
	* cgraph.h (enum symtab_state): Add IPA_SSA_AFTER_INLINING.
	(remove_unreachable_nodes): Update.
	* ipa.c (process_references): Keep external references only
	when optimizing.
	(walk_polymorphic_call_targets): Keep possible polymorphic call
	target only when devirtualizing.
	(symbol_table::remove_unreachable_nodes): Remove BEFORE_INLINING_P
	parameter.
	(ipa_single_use): Update comment.
	* ipa-pure-const.c (cdtor_p): New function.
	(propagate_pure_const): Track if some cdtor was turned pure/const.
	(execute): Return TODO_remove_functions if needed.
	* ipa-comdats.c (ipa_comdats): Update comment.
	
	* lto.c (read_cgraph_and_symbols): Update call of
	remove_unreachable_nodes.
	(do_whole_program_analysis): Remove call of
	symtab->remove_unreachable_nodes

From-SVN: r218640

	* dwarf2out.c (gen_lexical_block_die): Remove unused `depth'
	parameter.
	(gen_inlined_subroutine_die): Same.
	(gen_block_die): Same.
	(decls_for_scope): Same.

From-SVN: r218639

	* testsuite/30_threads/condition_variable/members/3.cc: Only use
	a thread_local when __cxa_thread_atexit_impl is available.

From-SVN: r218638

From-SVN: r218637