re PR middle-end/63762 ([ARM]GCC generates UNPREDICTABLE STR with Rn = Rt when hard-float abi is used)

2014-11-19  Renlin Li  <Renlin.Li@arm.com>

        PR middle-end/63762
        * ira.c (ira): Update preferred class. 

        * gcc.dg/pr63762.c: New test.

From-SVN: r217783

	* MAINTAINERS (OS Port Maintainers): Add overdue maintainership note
	from 2 years ago.

From-SVN: r217782

	* gimple.h (gimple_build_assign_with_ops): Add unary arg overload.
	(gimple_assign_set_rhs_with_ops_1): Renamed to ...
	(gimple_assign_set_rhs_with_ops): ... this.  Adjust binary arg
	inline overload to use it.  Add unary arg overload.
	* gimple.c (gimple_build_assign_with_ops): New unary arg overload.
	(gimple_assign_set_rhs_from_tree): Use
	gimple_assign_set_rhs_with_ops instead of
	gimple_assign_set_rhs_with_ops_1.
	(gimple_assign_set_rhs_with_ops_1): Renamed to ...
	(gimple_assign_set_rhs_with_ops): ... this.
	* ipa-split.c (split_function): Remove last NULL argument
	from gimple_build_assign_with_ops call.
	* tree-ssa-loop-im.c
	(move_computations_dom_walker::before_dom_children): Likewise.
	* tsan.c (instrument_builtin_call): Likewise.
	* tree-vect-stmts.c (vect_init_vector, vectorizable_mask_load_store,
	vectorizable_conversion, vectorizable_load): Likewise.
	* tree-vect-loop.c (vect_is_simple_reduction_1,
	get_initial_def_for_induction): Likewise.
	* tree-loop-distribution.c (generate_memset_builtin): Likewise.
	* tree-vect-patterns.c (vect_handle_widen_op_by_const,
	vect_recog_widen_mult_pattern, vect_operation_fits_smaller_type,
	vect_recog_over_widening_pattern, vect_recog_rotate_pattern,
	vect_recog_vector_vector_shift_pattern, vect_recog_divmod_pattern,
	vect_recog_mixed_size_cond_pattern, adjust_bool_pattern_cast,
	adjust_bool_pattern, vect_recog_bool_pattern): Likewise.
	* tree-ssa-phiopt.c (conditional_replacement, abs_replacement,
	neg_replacement): Likewise.
	* asan.c (build_shadow_mem_access, maybe_create_ssa_name,
	maybe_cast_to_ptrmode, asan_expand_check_ifn): Likewise.
	* tree-vect-slp.c (vect_get_constant_vectors): Likewise.
	* omp-low.c (lower_rec_input_clauses, expand_omp_for_generic,
	expand_omp_for_static_nochunk, expand_omp_for_static_chunk,
	simd_clone_adjust): Likewise.
	* tree-vect-loop-manip.c (vect_create_cond_for_align_checks): Likewise.
	* gimple-ssa-strength-reduction.c (introduce_cast_before_cand,
	replace_one_candidate): Likewise.
	* gimple-builder.c (build_type_cast): Likewise.
	* tree-ssa-forwprop.c (simplify_rotate): Likewise.
	(forward_propagate_addr_expr_1): Remove last NULL argument
	from gimple_assign_set_rhs_with_ops call.
	(simplify_vector_constructor): Use gimple_assign_set_rhs_with_ops
	instead of gimple_assign_set_rhs_with_ops_1.
	* tree-ssa-reassoc.c (maybe_optimize_range_tests): Remove last NULL
	argument from gimple_build_assign_with_ops call.
	(repropagate_negates): Remove last NULL argument from
	gimple_assign_set_rhs_with_ops call.
	* ubsan.c (ubsan_expand_null_ifn, ubsan_expand_objsize_ifn): Remove
	last NULL argument from gimple_build_assign_with_ops call.
	(instrument_bool_enum_load): Likewise.  Remove last NULL argument
	from gimple_assign_set_rhs_with_ops call.
	* tree-ssa-math-opts.c (build_and_insert_cast, convert_mult_to_fma):
	Remove last NULL argument from gimple_build_assign_with_ops call.
	(bswap_replace): Likewise.  Use gimple_assign_set_rhs_with_ops instead
	of gimple_assign_set_rhs_with_ops_1.
	(convert_plusminus_to_widen): Use gimple_assign_set_rhs_with_ops
	instead of gimple_assign_set_rhs_with_ops_1.
	* gimple-fold.c (replace_stmt_with_simplification): Likewise.
	(rewrite_to_defined_overflow, gimple_build): Remove last NULL argument
	from gimple_build_assign_with_ops call.
	* tree-ssa-strlen.c (handle_pointer_plus): Remove last NULL argument
	from gimple_assign_set_rhs_with_ops call.
	* tree-vrp.c (simplify_truth_ops_using_ranges,
	simplify_bit_ops_using_ranges): Remove last NULL argument from
	gimple_assign_set_rhs_with_ops call.
	(simplify_float_conversion_using_ranges,
	simplify_internal_call_using_ranges): Remove last NULL argument from
	gimple_build_assign_with_ops call.

From-SVN: r217781

  2014-11-19  Wilco Dijkstra  <wdijkstr@arm.com>

    PR target/61915
    * config/aarch64/aarch64.c (generic_regmove_cost): Increase FP move cost.

From-SVN: r217780

	PR sanitizer/62132
	* c-c++-common/asan/misalign-1.c: Pass -fno-omit-frame-pointer on
	darwin, adjust dg-output.
	* c-c++-common/asan/misalign-2.c: Likewise.

From-SVN: r217779

re PR sanitizer/63690 (ICE: tree check: expected class 'expression', have 'constant' (string_cst) with -fsanitize=undefined)

	PR sanitizer/63690
	* ubsan.c (instrument_object_size): Check for MEM_REF.

	* gcc.dg/ubsan/pr63690.c: New test.

From-SVN: r217778

re PR sanitizer/62132 (FAIL: c-c++-common/asan/misalign-[12].c after r213807 on x86_64-apple-darwin13 with -m32)

	PR sanitizer/62132
	* c-c++-common/asan/misalign-1.c: Pass -fno-omit-frame-pointer on
	darwin, adjust dg-output.
	* c-c++-common/asan/misalign-2.c: Likewise.

From-SVN: r217777

re PR sanitizer/62132 (FAIL: c-c++-common/asan/misalign-[12].c after r213807 on x86_64-apple-darwin13 with -m32)

	PR sanitizer/62132
	* c-c++-common/asan/misalign-1.c: Pass -fno-omit-frame-pointer on
	darwin, adjust dg-output.
	* c-c++-common/asan/misalign-2.c: Likewise.

From-SVN: r217776

	* MAINTAINERS (Write After Approval): Revert my previous change.

From-SVN: r217775

2014-11-19  Renlin Li  <Renlin.Li@arm.com>

        * MAINTAINERS (Write After Approval): Revert my previous change.

From-SVN: r217774

	PR regression/63868
	* cgraph.c (cgraph_node::create): Guard g->have_offload with
	ifdef ENABLE_OFFLOADING.
	* omp-low.c (create_omp_child_function): Likewise.
	(expand_omp_target): Guard node->mark_force_output and offload_funcs
	with ifdef ENABLE_OFFLOADING.
	* varpool.c (varpool_node::get_create): Guard g->have_offload and
	offload_vars with ifdef ENABLE_OFFLOADING.

From-SVN: r217773

re PR target/59593 ([arm big-endian] using "ldrh" access a  immediate  which stored in a memory by word)

        PR target/59593
        * config/arm/arm.md (define_attr "arch"): Add v6t2.
        (define_attr "arch_enabled"): Add test for the above.
        (*movhi_insn_arch4): Add new alternative.

Co-Authored-By: Shanyao Chen <chenshanyao@huawei.com>

From-SVN: r217772

We need to be able to set the static chain on a few calls within the
Go runtime, so expose this with __builtin_call_with_static_chain.

        * c-family/c-common.c (c_common_reswords): Add
        __builtin_call_with_static_chain.
        * c-family/c-common.h (RID_BUILTIN_CALL_WITH_STATIC_CHAIN): New.
        * c/c-parser.c (c_parser_postfix_expression): Handle it.
        * doc/extend.texi (__builtin_call_with_static_chain): Document it.

From-SVN: r217771

And, at the same time, allow indirect calls to have a static chain.
We'll always eliminate the static chain if we can prove it's unused.

        * calls.c (prepare_call_address): Allow decl or type for first arg.
        (expand_call): Pass type to prepare_call_address if no decl.
        * gimple-fold.c (gimple_fold_call): Eliminate the static chain if
        the function doesn't use it; fold it otherwise.
        * gimplify.c (gimplify_call_expr): Gimplify the static chain.
        * tree-cfg.c (verify_gimple_call): Allow a static chain on indirect
        function calls.

From-SVN: r217770

As opposed to always being a decl.  This is a prerequisite
to allowing the static chain to be loaded for indirect calls.

        * targhooks.c (default_static_chain): Remove check for
        DECL_STATIC_CHAIN.
        * config/moxie/moxie.c (moxie_static_chain): Likewise.
        * config/i386/i386.c (ix86_static_chain): Allow decl or type
        as the first argument.
        * config/xtensa/xtensa.c (xtensa_static_chain): Change the name
        of the unused first parameter.
        * doc/tm.texi (TARGET_STATIC_CHAIN): Document the first parameter
        may be a type.
        * target.def (static_chain): Likewise.

From-SVN: r217769

2014-10-17  Renlin Li  <Renlin.Li@arm.com>

    * config/aarch64/aarch64.h (TARGET_CPU_CPP_BUILTINS): Define __ARM_FP_FAST,
    __ARM_FEATURE_FMA, __ARM_FP, __ARM_FEATURE_NUMERIC_MAXMIN, __ARM_NEON_FP.

From-SVN: r217768

2014-11-19  Renlin Li  <Renlin.Li@arm.com>

        * MAINTAINERS (Write After Approval): Add myself.

From-SVN: r217767

	PR sanitizer/63879
	* fold-const.c (negate_expr_p) <case NEGATE_EXPR>: Return
	!TYPE_OVERFLOW_SANITIZED.
	(fold_negate_expr) <case INTEGER_CST>: Fold when overflow
	does not trap and when overflow wraps, or when SANITIZE_SI_OVERFLOW
	is 0.

	* c-c++-common/ubsan/pr63879-1.c: New test.
	* c-c++-common/ubsan/pr63879-2.c: New test.

From-SVN: r217766

gcc/
2014-11-19  Ilya Tocar  <ilya.tocar@intel.com>

	* collect2.c (main): Don't call fatal_error before
	diagnostic_initialize.
	* lto-wrapper.c (main): Likewise.

From-SVN: r217765

From-SVN: r217762

2014-11-19  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/62167
	* tree-ssa-tail-merge.c (stmt_local_def): Handle statements with vuse
	conservatively.
	(gimple_equal_p): Don't use vn_valueize to compare for lhs equality of
	assigns.

	* gcc.dg/pr51879-12.c: Add xfails.
	* gcc.dg/pr62167-run.c: New test.
	* gcc.dg/pr62167.c: New test.

From-SVN: r217761

	* testsuite/libgomp.c/examples-4/e.53.5.c: Require
	vect_simd_clones effective target.
	* testsuite/libgomp.fortran/examples-4/e.53.5.f90: Ditto.

From-SVN: r217760

	PR tree-optimization/63915
	* tree-vect-stmts.c (vectorizable_simd_clone_call): Pass
	true instead of false as last argument to gsi_replace.

	* c-c++-common/gomp/pr60823-4.c: New test.

From-SVN: r217759

	PR sanitizer/63520
	* internal-fn.c (expand_ubsan_result_store): New function.
	(expand_addsub_overflow, expand_neg_overflow, expand_mul_overflow):
	Use it instead of just emit_move_insn.

	* c-c++-common/ubsan/pr63520.c: New test.

From-SVN: r217758

2014-11-19  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/63844
	* omp-low.c (fixup_child_record_type): Use a restrict qualified
	referece type for the receiver parameter.

From-SVN: r217757

2014-11-19  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/57654
	* g++.dg/cpp0x/constexpr-ref7.C: New.

From-SVN: r217756

re PR sanitizer/63913 (ICE: verify_gimple failed: statement marked for throw, but doesn't with -fnon-call-exceptions -fsanitize=bool)

	PR sanitizer/63913
	* ubsan.c: Include tree-eh.h.
	(instrument_bool_enum_load): Handle loads that can throw.

	* g++.dg/ubsan/pr63913.C: New test.

From-SVN: r217755

From-SVN: r217754

	PR rtl-optimization/63843
	* simplify-rtx.c (simplify_binary_operation_1) <case ASHIFTRT>: For
	optimization of ashiftrt of subreg of lshiftrt, check that code
	is ASHIFTRT.

	* gcc.c-torture/execute/pr63843.c: New test.

From-SVN: r217753

attribs.c (decl_attributes): Remove always true condition, TREE_TYPE(x) will never compare equal to a TYPE_DECL.

2014-11-18  Andrew MacLeod  <amacleod@redhat.com>

	* attribs.c (decl_attributes): Remove always true condition,
	TREE_TYPE(x) will never compare equal to a TYPE_DECL.

From-SVN: r217750

re PR c++/63924 (Constexpr constructible expression "is not constexpr" when used in a template non-type argument)

	PR c++/63924
	* constexpr.c (cxx_eval_constant_expression) [PARM_DECL]: A load
	from a variable of empty class type is constant.

From-SVN: r217749

	* constexpr.c (cxx_eval_statement_list): Handle statement-expressions.
	(potential_constant_expression_1): Handle STMT_EXPR.

From-SVN: r217748

	* constexpr.c (cxx_eval_constant_expression): Give jump_target a
	default argument.
	(lots): Omit NULL jump_target arguments.

From-SVN: r217747

	* constexpr.c (struct constexpr_ctx): Add quiet field.
	(cxx_eval_outermost_constant_expr, is_sub_constant_expr): Set it.
	(lots): Replace allow_non_constant parameter with ctx->quiet.

From-SVN: r217746

From-SVN: r217745

[Patch] PR target/63937 TARGET_USE_BY_PIECES_INFRASTRUCTURE_P should take an unsigned HOST_WIDE_INT size argument

gcc/

	PR target/63937
	* target.def (use_by_pieces_infrastructure_p): Take unsigned
	HOST_WIDE_INT as the size parameter.
	* targhooks.c (default_use_by_pieces_infrastructure_p): Likewise.
	* targhooks.h (default_use_by_pieces_infrastructure_p): Likewise.
	* config/arc/arc.c (arc_use_by_pieces_infrastructure_p)): Likewise.
	* config/mips/mips.c (mips_use_by_pieces_infrastructure_p)): Likewise.
	* config/s390/s390.c (s390_use_by_pieces_infrastructure_p)): Likewise.
	* config/sh/sh.c (sh_use_by_pieces_infrastructure_p)): Likewise.
	* config/aarch64/aarch64.c
	(aarch64_use_by_pieces_infrastructure_p)): Likewise.
	* doc/tm.texi: Regenerate.

gcc/testsuite/

	PR target/63937
	* gcc.dg/memset-2.c: New.

From-SVN: r217742

	PR sanitizer/63813
	* c-ubsan.c (ubsan_maybe_instrument_reference_or_call): Change type
	argument to ptype, set type to TREE_TYPE (ptype).  Don't call
	get_pointer_alignment for non-pointers.  Use ptype, or if it is
	reference type, corresponding pointer type, as type of kind
	argument.
	(ubsan_maybe_instrument_reference,
	ubsan_maybe_instrument_member_call): Adjust callers.

	* g++.dg/ubsan/pr63813.C: New test.

From-SVN: r217741

	PR tree-optimization/61042
	* gcc.c-torture/compile/pr61042.c: New test.

From-SVN: r217740

2014-11-17  Bob Dunlop  <bob.dunlop@xyzzy.org.uk>

        * mt-ospace (CFLAGS_FOR_TARGET): Append -g -Os rather than
        overwriting.
        (CXXFLAGS_FOR_TARGET): Similarly.

From-SVN: r217739

	PR c++/63940
	* constexpr.c (cxx_eval_binary_expression): Don't assume the
	expression was already folded.
	(cxx_eval_unary_expression): Likewise.

From-SVN: r217738