2015-04-27  Richard Biener  <rguenther@suse.de>

	* tree-ssa-dom.c (record_equivalences_from_phis): Valueize PHI arg.
	(record_equivalences_from_stmt): Valueize rhs.
	(record_equality): Canonicalize x and y order via
	tree_swap_operands_p.  Do not swap operands for same loop depth.

	* gcc.target/i386/pr65217.c: XFAIL.

From-SVN: r222463

	* doc/xml/manual/extensions.xml: Add cross-reference.
	* doc/html/manual/ext_compile_checks.html: Regenerate.

From-SVN: r222462

	PR target/65296
	PR target/65895
	* config/avr/gen-avr-mmcu-specs.c (print_mcu): Close file.
	Add hint how to use own spec file.

From-SVN: r222459

	PR tree-optimization/65875
	* tree-vrp.c (update_value_range): If in is_new case setting
	old_vr to VR_VARYING, also set new_vr to it.  Remove
	old_vr->type == VR_VARYING test.
	(vrp_visit_phi_node): Return SSA_PROP_VARYING instead of
	SSA_PROP_INTERESTING if update_value_range returned true,
	but new range is VR_VARYING.

	* gcc.c-torture/compile/pr65875.c: New test.

From-SVN: r222458

2015-04-27  Thomas Preud'homme  <thomas.preudhomme@arm.com>

    * combine.c (sign_extend_short_imm): New.
    (set_nonzero_bits_and_sign_copies): Use above new function for sign
    extension of src short immediate.
    (reg_nonzero_bits_for_combine): Likewise for tem.

From-SVN: r222457

	* stor-layout.c (self_referential_component_ref_p): New predicate.
	(copy_self_referential_tree_r): Use it.
	(self_referential_size): Punt for simple operations directly involving
	self-referential component references.
	* tree-cfg.c (dump_function_to_file): Add missing final curly bracket.

From-SVN: r222456

From-SVN: r222455

gcc/
	* vec.h (vec): Make splice arguments const.  Update definitions
	accordingly.

From-SVN: r222454

2015-04-27  Yvan Roux  <yvan.roux@linaro.org>

	* config/arm/arm.md (*arm_subsi3_insn): Fixed redundant
	alternatives.

From-SVN: r222453

From-SVN: r222452

2015-04-26  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/65826
	* internal-fn.def: Mark VA_ARG with ECF_LEAF.

From-SVN: r222446

From-SVN: r222444

	PR c/52085
	* c-decl.c (finish_enum): Copy over TYPE_ALIGN.  Also check for "mode"
	attribute.

	* gcc.dg/enum-incomplete-2.c: New test.
	* gcc.dg/enum-mode-1.c: New test.

From-SVN: r222440

From-SVN: r222438

2015-04-24  Steve Ellcey  <sellcey@imgtec.com>

	* config/mips/mips.md: (*madd4<mode>) Remove accum_in attribute.
	(*madd3<mode>): Ditto.
	(*msub4<mode>): Ditto.
	(*msub3<mode>): Ditto.
	(*nmadd4<mode>): Ditto.
	(*nmadd3<mode>): Ditto.
	(*nmadd4<mode>_fastmath): Ditto.
	(*nmadd3<mode>_fastmath): Ditto.
	(*nmsub4<mode>): Ditto.
	(*nmsub3<mode>): Ditto.
	(*nmsub4<mode>_fastmath): Ditto.
	(*nmsub3<mode>_fastmath): Ditto.

From-SVN: r222432

	PR go/65616
libgo: Compile go-main, in libgobegin, with -fPIC.

From-SVN: r222431

re PR c++/50800 (Internal compiler error in finish_member_declarations, possibly related to may_alias attribute)

	PR c++/50800
	* g++.dg/ext/alias-canon2.C: Remove clashing fn definitions.

From-SVN: r222426

re PR c++/50800 (Internal compiler error in finish_member_declarations, possibly related to may_alias attribute)

	PR c++/50800
gcc/
	* tree.c (build_reference_type_for_mode): Don't pass can_alias_all
	down when building TYPE_CANONICAL.
	(build_pointer_type_for_mode): Likewise.
gcc/cp/
	* typeck.c (structural_comptypes): Don't check TYPE_REF_CAN_ALIAS_ALL.

From-SVN: r222419

        * genrecog.c (validate_pattern): Check matching constraint refers
        to a lower numbered operand.

From-SVN: r222418

[gcc]
2015-04-24  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/65849
	* config/rs6000/rs6000.opt (-mvsx-align-128): Make options that
	save to independent variables use the Save attribute.  This will
	allow these options to be modified with the #pragma/attribute
	target support.
	(-mallow-movmisalign): Likewise.
	(-mallow-df-permute): Likewise.
	(-msched-groups): Likewise.
	(-malways-hint): Likewise.
	(-malign-branch-targets): Likewise.
	(-mvectorize-builtins): Likewise.
	(-msave-toc-indirect): Likewise.

	* config/rs6000/rs6000.c (rs6000_opt_masks): Add more options that
	can be set via the #pragma/attribute target support.
	(rs6000_opt_vars): Likewise.
	(rs6000_inner_target_options): If VSX was set, also set
	-mno-avoid-indexed-addresses.

[gcc/testsuite]
2015-04-24  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/65849
	* gcc.target/powerpc/pr65849-1.c: New test to verify being able to
	set new options.
	* gcc.target/powerpc/pr65849-2.c: Likewise.

From-SVN: r222417

	* config/arm/iterators.md (shiftable_ops): Rename to...
	(SHIFTABLE_OPS): ... This.  Update use in comments.
	(ior_xor): Rename to...
	(IOR_XOR): ... This.
	(vqh_ops): Rename to...
	(VQH_OPS): ... This.
	(vqhs_ops): Rename to...
	(VQHS_OPS): ... This.
	(rshifts): Rename to...
	(RSHIFTS): ... This.
	(returns): Rename to...
	(RETURNS): ... This.
	* config/arm/arm.md: Update uses of the above.
	* config/arm/neon.md: Likewise.

From-SVN: r222416

	* config.host (case ${host}): Add aarch64*-*-linux case.
	* config/aarch64/aarch64-cores.def: Add IMPLEMENTER_ID and PART_NUMBER
	fields to all the cores.
	* config/aarch64/aarch64-elf.h (DRIVER_SELF_SPECS):
	Add MCPU_MTUNE_NATIVE_SPECS.
	* config/aarch64/aarch64-option-extensions.def: Add FEATURE_STRING
	field to all extensions.
	* config/aarch64/aarch64-opts.h: Adjust definition of AARCH64_CORE.
	* config/aarch64/aarch64.c: Adjust definition of AARCH64_CORE.
	Adjust definition of AARCH64_OPT_EXTENSION.
	* config/aarch64/aarch64.h: Adjust definition of AARCH64_CORE.
	(MCPU_MTUNE_NATIVE_SPECS): Define.
	* config/aarch64/driver-aarch64.c: New file.
	* config/aarch64/x-arch64: New file.
	* doc/invoke.texi (AArch64 Options): Document native value for -mcpu,
	-mtune and -march.

From-SVN: r222415

	* constexpr.c (potential_constant_expression_1) [MINUS_EXPR]:
	Remove obsolete code.
	[NE_EXPR]: Likewise.

From-SVN: r222414

2015-04-24  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/65802
	* g++.dg/pr65802.C: Move to ...
	* gcc.dg/pr65802.c: ... here.  Add -fexceptions to dg-options. Include
	stdarg.h.  Rewrite for C.
	(fn1): Use va_list and va_arg.  Make variable args function.  Add use of
	va_start and va_end.  Remove unnecessary inline asm.

From-SVN: r222413

	* config/i386/i386-protos.h (ix86_operands_ok_for_move_multiple): New.
	* config/i386/i386.c (extract_base_offset_in_addr): New function.
	(ix86_operands_ok_for_move_multiple): Ditto.
	* config/i386/sse.md (movsd/movhpd to movupd peephole2): New pattern.
	(movlpd/movhpd to movupd peephole2): Ditto.

testsuite/ChangeLog:

	* gcc.target/i386/sse2-load-multi.c: New test.
	* gcc.target/i386/sse2-store-multi.c: Ditto.


Co-Authored-By: Wei Mi <wmi@google.com>

From-SVN: r222410

	PR c/63357
	* c-common.c (warn_logical_operator): Warn if the operands have the
	same expressions.

	* doc/invoke.texi: Update description of -Wlogical-op.

	* c-c++-common/Wlogical-op-1.c: New test.

From-SVN: r222408

	PR c/65830
	* c-common.c (c_fully_fold_internal): Use OPT_Wshift_count_negative
	and OPT_Wshift_count_overflow.

	* c-c++-common/pr65830.c: New test.

From-SVN: r222407

	PR c/61534
	* input.h (from_macro_expansion_at): Define.

	* c-common.c (warn_logical_operator): Bail if either operand comes
	from a macro expansion.

	* c-c++-common/pr61534-1.c: New test.

From-SVN: r222406

	* config/i386/sse.md (*vec_widen_smult_even_v8si<mask_name>):
	Mark operand1 commutative.

From-SVN: r222403

unknown-elf.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): fix ternary operator in fprintf and harmonize spacing.

2015-04-24  Thomas Preud'homme  <thomas.preudhomme@arm.com>

    * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): fix
    ternary operator in fprintf and harmonize spacing.

From-SVN: r222401

	* config/i386/sse.md (*vec_concatv2sf_sse4_1): Do not allow both
	input operands in memory.
	(*vec_concatv2si_sse4_1): Ditto.
	(*vec_concatv2df): Ditto, except for SSE3 and equal input operands.
	(vec_extract_lo_<mode><mask_name>): Change operand 1 predicate to
	register_operand.
	(vec_extract_hi_v32hi): Ditto.
	(vec_extract_hi_v64hi): Ditto.
	(<mask_codefor>avx512f_unpckhpd512<mask_name>): Ditto.

From-SVN: r222400

2015-04-24  Thomas Preud'homme  <thomas.preudhomme@arm.com>
            Steven Bosscher <steven@gcc.gnu.org>

    gcc/
    PR rtl-optimization/34503
    * cprop.c (cprop_reg_p): New.
    (hash_scan_set): Use above function to check if register can be
    propagated.
    (find_avail_set): Return up to two sets, one whose source is a
    register and one whose source is a constant.  Sets are returned in an
    array passed as parameter rather than as a return value.
    (cprop_insn): Use a do while loop rather than a goto.  Try each of the
    sets returned by find_avail_set, starting with the one whose source is
    a constant. Use cprop_reg_p to check if register can be propagated.
    (do_local_cprop): Use cprop_reg_p to check if register can be
    propagated.
    (implicit_set_cond_p): Likewise.

    gcc/testsuite/
    PR rtl-optimization/34503
    * gcc.target/arm/pr64616.c: New file.

Co-Authored-By: Steven Bosscher <steven@gcc.gnu.org>

From-SVN: r222398

	gcc/testsuite/ChangeLog
	* gcc.target/arm/pr42172-1.c: Check str instead of ldr.

From-SVN: r222396

2015-04-24  Terry Guo  <terry.guo@arm.com>

	* gcc.target/arm/pr65710.c: Update the options.

From-SVN: r222393

	* ipa-icf.c (sem_function::equals_wpa): Compare thunk info.
	(sem_function::equals): IGNORED_NODES parameter is now unused;
	update call of equals_private.
	(sem_function::equals_private): Do not call equals_wpa; skip
	gimple body matching if there is no body.
	(sem_function::init): Add logic to hash tthunk info.
	(sem_function::parse): Also parse thunks.
	* ipa-icf.h (equals_private): Update declaration.

From-SVN: r222392

From-SVN: r222391

altivec.md (*altivec_lvx_<mode>_internal): Remove asterisk from name so this can be generated directly.

2015-04-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* config/rs6000/altivec.md (*altivec_lvx_<mode>_internal): Remove
	asterisk from name so this can be generated directly.
	(*altivec_stvx_<mode>_internal): Likewise.
	* config/rs6000/rs6000.c (rs6000_emit_le_vsx_store): Add assert
	that this is never called during or after reload/lra.
	(rs6000_frame_related): Remove split_reg
	argument and logic that references it.
	(emit_frame_save): Remove last parameter from call to
	rs6000_frame_related.
	(rs6000_emit_prologue): Remove last parameter from eight calls to
	rs6000_frame_related.  Force generation of stvx instruction for
	Altivec register saves.  Remove split_reg handling, which is no
	longer needed.
	(rs6000_emit_epilogue):  Force generation of lvx instruction for
	Altivec register restores.

From-SVN: r222385

Revert:PR c++/50800
       * tree.c (strip_typedefs): Add remove_attributes parm.
       (strip_typedefs_expr): Likewise.
       (apply_identity_attributes): New subroutine of strip_typedefs.
       * pt.c (canonicalize_type_argument): Let strip_typedefs handle attrs.
       (convert_nontype_argument, unify): Likewise.
       * cp-tree.h: Adjust.

From-SVN: r222384

	* gcc.target/i386/pr65523.c: Skip x32.

From-SVN: r222382

2015-04-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* config/rs6000/rs6000.opt (mcrypto): Change option description to
	match category changes in ISA 2.07B.

From-SVN: r222381