gcc/ChangeLog:

2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>

	PR middle-end/71170
	* tree-ssa-reassoc.c (struct operand_entry): Add field stmt_to_insert.
	(add_to_ops_vec): Add stmt_to_insert.
	(add_repeat_to_ops_vec): Init stmt_to_insert.
	(insert_stmt_before_use): New.
	(transform_add_to_multiply): Remove mult_stmt insertion and add it to ops vector.
	(get_ops): Init stmt_to_insert.
	(maybe_optimize_range_tests): Likewise.
	(rewrite_expr_tree): Insert stmt_to_insert before use stmt.
	(rewrite_expr_tree_parallel): Likewise.
	(reassociate_bb): Likewise.

From-SVN: r236619

[gcc]
2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/71201
	* config/rs6000/altivec.md (altivec_vperm_<mode>_internal): Drop
	ISA 3.0 xxperm fusion alternative.
	(altivec_vperm_v8hiv16qi): Likewise.
	(altivec_vperm_<mode>_uns_internal): Likewise.
	(vperm_v8hiv4si): Likewise.
	(vperm_v16qiv8hi): Likewise.

[gcc/testsuite]
2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
	    Kelvin Nilsen  <kelvin@gcc.gnu.org>

	* gcc.target/powerpc/p9-permute.c: Run test on big endian as well
	as little endian.


[gcc]
2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
	    Kelvin Nilsen  <kelvin@gcc.gnu.org>

	* config/rs6000/rs6000.c (rs6000_expand_vector_set): Generate
	vpermr/xxpermr on ISA 3.0.
	(altivec_expand_vec_perm_le): Likewise.
	* config/rs6000/altivec.md (UNSPEC_VPERMR): New unspec.
	(altivec_vpermr_<mode>_internal): Add VPERMR/XXPERMR support for
	ISA 3.0.


Co-Authored-By: Kelvin Nilsen <kelvin@gcc.gnu.org>

From-SVN: r236617

	* cp-gimplify.c (cp_fold) [INDIRECT_REF]: Call
	maybe_undo_parenthesized_ref.

From-SVN: r236616

	* pt.c (tsubst_copy): Just return a local variable from
	non-template context.  Don't call rest_of_decl_compilation for
	duplicated static locals.
	(tsubst_decl): Set DECL_CONTEXT of local static from another
	function.

From-SVN: r236615

/cp
2016-05-23  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/70972
	* method.c (forward_parm): Use cp_build_reference_type.

/testsuite
2016-05-23  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/70972
	* g++.dg/cpp0x/inh-ctor20.C: New.
	* g++.dg/cpp0x/inh-ctor21.C: Likewise.

From-SVN: r236614

	* include/debug/safe_iterator.h
	(_Safe_iterator<>::operator->()): Implement using underlying iterator
	operator ->.
	* include/debug/safe_local_iterator.h
	(_Safe_local_iterator<>::operator->()): Likewise.

From-SVN: r236611

/cp
2016-05-22  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/69095
	* parser.c (cp_parser_default_argument): Call
	check_for_bare_parameter_packs.
	(cp_parser_late_parsing_default_args): Likewise.

/testsuite
2016-05-22  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/69095
	* g++.dg/cpp0x/variadic168.C: New.

From-SVN: r236610

/cp
2016-05-23  Paolo Carlini  <paolo.carlini@oracle.com>

	* pt.c (check_for_bare_parameter_packs): Improve error message
	location for expressions.

/testsuite
2016-05-23  Paolo Carlini  <paolo.carlini@oracle.com>

	* g++.dg/cpp0x/pr31445.C: Test column number too.
	* g++.dg/cpp0x/pr32253.C: Likewise.
	* g++.dg/cpp0x/variadic-ex13.C: Likewise.
	* g++.dg/cpp0x/variadic36.C: Likewise.

From-SVN: r236609

	* config/i386/i386.h (IS_STACK_MODE): Enable for
	TARGET_MIX_SSE_I387.  Rewrite using X87_FLOAT_MODE_P and
	SSE_FLOAT_MODE_P macros.
	* config/i386/i386.c (ix86_preferred_reload_class): Use
	IS_STACK_MODE, INTEGER_CLASS_P and FLOAT_CLASS_P macros.  Cleanup
	regclass processing for CONST_DOUBLE_P.
	(ix86_preferred_output_reload_class): Use IS_STACK_MODE macro.
	(ix86_rtx_costs): Remove redundant TARGET_80387 check
	with IS_STACK_MODE macro.
	* config/i386/i386.md: Replace SSE_FLOAT_MODE_P (DFmode)
	with TARGET_SSE2.
	(*movdf_internal): Use IS_STACK_MODE macro.
	(*movsf_internal): Ditto.

From-SVN: r236607

2016-05-23  Marc Glisse  <marc.glisse@inria.fr>

gcc/
	* match.pd (a * (1 << b), ~x & ~y, ~X ^ ~Y, (X ^ Y) ^ Y, ~ (-A),
	~ (A - 1), ~(~X >> Y), ~(~X >>r Y)): Relax constraints.

gcc/testsuite/
	* gcc.dg/fold-notshift-2.c: Adjust.

From-SVN: r236601

	* tree-ssa-threadbackward.c (profitable_jump_thread_path): New function
	extracted from ...
	(fsm_find_control_statement_thread_paths): Call it.

From-SVN: r236599

2016-05-23  Martin Jambor  <mjambor@suse.cz>

	PR ipa/71234
	* ipa-cp.c (ipa_get_indirect_edge_target_1): Only check value of
	from_global_constant if t is not NULL.

From-SVN: r236598

	PR c/49859
	* common.opt (Wswitch-unreachable): New option.
	* doc/invoke.texi: Document -Wswitch-unreachable.
	* gimplify.c (gimplify_switch_expr): Implement the -Wswitch-unreachable
	warning.

	* c-c++-common/Wswitch-unreachable-1.c: New test.
	* gcc.dg/Wswitch-unreachable-1.c: New test.
	* c-c++-common/goacc/sb-2.c (void foo): Add dg-warning.
	* g++.dg/cpp0x/lambda/lambda-switch.C (main): Likewise.
	* g++.dg/gomp/block-10.C: Likewise.
	* gcc.dg/gomp/block-10.c: Likewise.
	* g++.dg/gomp/block-9.C: Likewise.
	* gcc.dg/gomp/block-9.c: Likewise.
	* g++.dg/gomp/target-1.C: Likewise.
	* g++.dg/gomp/target-2.C: Likewise.
	* gcc.dg/gomp/target-1.c: Likewise.
	* gcc.dg/gomp/target-2.c: Likewise. 
	* g++.dg/gomp/taskgroup-1.C: Likewise.
	* gcc.dg/gomp/taskgroup-1.c: Likewise.
	* gcc.dg/gomp/teams-1.c: Likewise.
	* g++.dg/gomp/teams-1.C: Likewise.
	* g++.dg/overload/error3.C: Likewise.
	* g++.dg/tm/jump1.C: Likewise.
	* g++.dg/torture/pr40335.C: Likewise.
	* gcc.dg/c99-vla-jump-5.c: Likewise.
	* gcc.dg/switch-warn-1.c: Likewise.
	* gcc.dg/Wjump-misses-init-1.c: Use -Wno-switch-unreachable.
	* gcc.dg/nested-func-1.c: Likewise.
	* gcc.dg/pr67784-4.c: Likewise.

From-SVN: r236597

	libffi/
	PR libffi/65567
	* testsuite/lib/libffi.exp (libffi_feature_test): Fix, and simply.

From-SVN: r236594

	* tree-ssa-address.c (copy_ref_info): Check NULL TMR_STEP when
	TMR_INDEX is non-NULL.

From-SVN: r236593

2016-05-23  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/71230
	* tree-ssa-reassoc.c (acceptable_pow_call): Move initial condition...
	(try_special_add_to_ops): ... here.  Always test for single-use.

	* gfortran.dg/pr71230-1.f90: New testcase.
	* gfortran.dg/pr71230-2.f90: Likewise.

From-SVN: r236591

2016-05-23  Martin Jambor  <mjambor@suse.cz>

	* hsa-gen.c (gen_hsa_insns_for_switch_stmt): Create an empty
	default block if a PHI node in the original one would be resized.

libgomp/
	* testsuite/libgomp.hsa.c/switch-sbr-2.c: New test.

From-SVN: r236585

Fix PR58135.

2016-05-23  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>

	PR tree-optimization/58135
	* tree-vect-slp.c: When group size is not multiple
	of vector size, allow splitting of store group at
	vector boundary.

2016-05-23  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>

	* gcc.dg/vect/bb-slp-19.c:  Remove XFAIL.
	* gcc.dg/vect/pr58135.c:  Add new.
	* gfortran.dg/pr46519-1.f: Adjust test case.

From-SVN: r236582

re PR c++/53401 ([C++11] internal compiler error: Segmentation fault on infinite argument deduction of constexpr templates)

2016-05-23  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/53401
	* g++.dg/cpp0x/decltype64.C: New.

From-SVN: r236581

2016-05-23  Christophe Lyon  <christophe.lyon@linaro.org>

	* gcc.target/aarch64/advsimd-intrinsics/vreinterpret.c: Add fp16 tests.
	* gcc.target/aarch64/advsimd-intrinsics/vreinterpret_p128.c: Likewise.
	* gcc.target/aarch64/advsimd-intrinsics/vreinterpret_p64.c: Likewise.

From-SVN: r236580

2016-05-23  Christophe Lyon  <christophe.lyon@linaro.org>

	* gcc.target/aarch64/advsimd-intrinsics/arm-neon-ref.h (result):
	Add poly64x1_t and poly64x2_t cases if supported.
	* gcc.target/aarch64/advsimd-intrinsics/compute-ref-data.h
	(buffer, buffer_pad, buffer_dup, buffer_dup_pad): Likewise.
	* gcc.target/aarch64/advsimd-intrinsics/p64_p128.c: New file.
	* gcc.target/aarch64/advsimd-intrinsics/vreinterpret_p128.c: New file.
	* gcc.target/aarch64/advsimd-intrinsics/vreinterpret_p64.c: New file.

From-SVN: r236579

2016-05-23  Christophe Lyon  <christophe.lyon@linaro.org>

	* gcc.target/aarch64/advsimd-intrinsics/vrnd.c: New.
	* gcc.target/aarch64/advsimd-intrinsics/vrndX.inc: New.
	* gcc.target/aarch64/advsimd-intrinsics/vrnda.c: New.
	* gcc.target/aarch64/advsimd-intrinsics/vrndm.c: New.
	* gcc.target/aarch64/advsimd-intrinsics/vrndn.c: New.
	* gcc.target/aarch64/advsimd-intrinsics/vrndp.c: New.
	* gcc.target/aarch64/advsimd-intrinsics/vrndx.c: New.

From-SVN: r236578

2016-05-23  Christophe Lyon  <christophe.lyon@linaro.org>

	* gcc.target/aarch64/advsimd-intrinsics/vstX_lane.c: Add fp16 tests.

From-SVN: r236577

2016-05-23  Christophe Lyon  <christophe.lyon@linaro.org>

	gcc/
	* config/arm/arm_neon.h (vtst_p16, vtstq_p16): New.

	gcc/testsuite/
	* gcc.target/aarch64/advsimd-intrinsics/vtst.c: Add tests for
	vtst_p8, vtstq_p8, vtst_p16 and vtstq_p16.

From-SVN: r236576

From-SVN: r236575

	* gcc.target/i386/avx512bw-kunpckdq-1.c (avx512bw_test): Use "m"
	constraint instead of "r".
	* gcc.target/i386/avx512f-additional-reg-names.c (foo): Use vpxord
	insn instead of vxorpd.
	* gcc.target/i386/strinline.c: Add dg-require-effective-target ia32.

From-SVN: r236571

Revert:

gcc/

	PR target/70738
	* common/config/i386/i386-common.c
	(OPTION_MASK_ISA_GENERAL_REGS_ONLY_UNSET): New.
	(ix86_handle_option): Disable MPX, MMX, SSE and x87 instructions
	for -mgeneral-regs-only.
	* config/i386/i386.c (ix86_option_override_internal): Don't
	enable x87 instructions if only the general registers are
	allowed.
	* config/i386/i386.opt: Add -mgeneral-regs-only.
	* doc/invoke.texi: Document -mgeneral-regs-only.

gcc/testsuite/

	PR target/70738
	* gcc.target/i386/pr70738-1.c: Likewise.
	* gcc.target/i386/pr70738-2.c: Likewise.
	* gcc.target/i386/pr70738-3.c: Likewise.
	* gcc.target/i386/pr70738-4.c: Likewise.
	* gcc.target/i386/pr70738-5.c: Likewise.
	* gcc.target/i386/pr70738-6.c: Likewise.
	* gcc.target/i386/pr70738-7.c: Likewise.
	* gcc.target/i386/pr70738-8.c: Likewise.
	* gcc.target/i386/pr70738-9.c: Likewise.

From-SVN: r236570

	* config/i386/sse.md (vec_set_lo_<mode><mask_name>,
	vec_set_hi_<mode><mask_name>): Add && <mask_avx512dq_condition>
	condition.  For !TARGET_AVX512DQ, emit 32x4 instruction instead
	of 64x2.

	* gcc.target/i386/avx512dq-vinsert-1.c: New test.
	* gcc.target/i386/avx512vl-vinsert-1.c: New test.

From-SVN: r236569

sse.md (vec_set_lo_v16hi, [...]): Add alternative with v constraint instead of x and vinserti32x4 insn.

	* config/i386/sse.md (vec_set_lo_v16hi, vec_set_hi_v16hi,
	vec_set_lo_v32qi, vec_set_hi_v32qi): Add alternative with
	v constraint instead of x and vinserti32x4 insn.

	* gcc.target/i386/avx512vl-vinserti32x4-3.c: New test.

From-SVN: r236568

	* config/i386/sse.md (i128vldq): New mode iterator.
	(avx2_vbroadcasti128_<mode>, avx_vbroadcastf128_<mode>): Add
	avx512dq and avx512vl alternatives.

	* gcc.target/i386/avx512dq-vbroadcast-2.c: New test.
	* gcc.target/i386/avx512vl-vbroadcast-2.c: New test.

From-SVN: r236567

	* config/i386/sse.md (avx2_vec_dupv4df): Use v instead of x
	constraint, use maybe_evex prefix instead of vex.
	(vec_dupv4sf): Use v constraint instead of x for output
	operand except for noavx alternative, use Yv constraint
	instead of x for input.  Use maybe_evex prefix instead of vex.
	(*vec_dupv4si): Likewise.
	(*vec_dupv2di): Likewise.

	* gcc.target/i386/avx512vl-vbroadcast-1.c: New test.

From-SVN: r236566

gcc/testsuite/ChangeLog:

2016-05-22  Kugan Vivekanandarajah  <kuganv@linaro.org>

	PR middle-end/40921
	* gcc.dg/tree-ssa/pr40921.c: New test.

gcc/ChangeLog:

2016-05-22  Kugan Vivekanandarajah  <kuganv@linaro.org>

	PR middle-end/40921
        * tree-ssa-reassoc.c (try_special_add_to_ops): New.
        (linearize_expr_tree): Call try_special_add_to_ops.
        (reassociate_bb): Convert MULT_EXPR by (-1) to NEGATE_EXPR.

From-SVN: r236564

From-SVN: r236563

	* config/avr/avr.c (avr_expand_prologue): Add INCOMING_FRAME_SP_OFFSET
	to computed stack_usage.

From-SVN: r236559

	PR target/71103
	* config/avr/avr.md (define_expand "mov<mode>"): If the source
	operand is subreg (symbol_ref) then move the symbol ref to register.

	PR target/71103
	* gcc.target/avr/pr71103.c: New test.

From-SVN: r236558

From-SVN: r236557

gcc/testsuite/ChangeLog:

2016-05-21  Kugan Vivekanandarajah  <kuganv@linaro.org>

	PR middle-end/71179
	* gcc.dg/tree-ssa/pr71179.c: New test.

gcc/ChangeLog:

2016-05-21  Kugan Vivekanandarajah  <kuganv@linaro.org>

	PR middle-end/71179
	* tree-ssa-reassoc.c (transform_add_to_multiply): Disallow float
	VECTOR type.

From-SVN: r236554

From-SVN: r236553

PR c/71115 - [4.9/5/6/7 Regression] Missing warning: excess elements
in struct initializer

gcc/c/ChangeLog:
2016-05-20  Martin Sebor  <msebor@redhat.com>

	PR c/71115
	* c-typeck.c (error_init): Use
	expansion_point_location_if_in_system_header.
	(warning_init): Same.

gcc/testsuite/ChangeLog:
2016-05-20  Martin Sebor  <msebor@redhat.com>

	PR c/71115
	* gcc.dg/init-excess-2.c: New test.

From-SVN: r236549

tree-vrp.c (compare_values_warnv): Simplify handling of symbolic ranges by calling get_single_symbol and tidy up.

	* tree-vrp.c (compare_values_warnv): Simplify handling of symbolic
	ranges by calling get_single_symbol and tidy up.  Look more closely
	into NAME + CST1 vs CST2 comparisons if type overflow is undefined.
ada/
	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Signed_Integer_Subtype>:
	Make same-sized subtypes of signed base types signed.
	* gcc-interface/utils.c (make_type_from_size): Adjust to above change.
	(unchecked_convert): Likewise.

From-SVN: r236548