2017-03-09  Richard Biener  <rguenther@suse.de>

	PR middle-end/79971
	* gimple-expr.c (useless_type_conversion_p): Preserve
	TYPE_SATURATING for fixed-point types.

	* gcc.dg/fixed-point/pr79971.c: New testcase.

From-SVN: r246002

2017-03-09  Richard Biener  <rguenther@suse.de>

	PR ipa/79970
	* ipa-prop.c (ipa_modify_formal_parameters): Avoid changing
	alignment of BLKmode params.

	* gcc.dg/torture/pr79970.c: New testcase.

From-SVN: r246001

re PR c++/71966 (ICE on invalid C++11 code (undefined constructor used in a constant expression): in cp_build_addr_expr_1, at cp/typeck.c:5671)

2017-03-09  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/71966
	* g++.dg/cpp0x/pr71966-1.C: New.
	* g++.dg/cpp0x/pr71966-2.C: Likewise.

From-SVN: r246000

	PR target/79913
	* config/aarch64/iterators.md (VALL_F16_NO_V2Q): New mode iterator.
	(VALL_NO_V2Q): Likewise.
	(VDQF_DF): Delete.
	* config/aarch64/aarch64-simd.md
	(aarch64_dup_lane_<vswap_width_name><mode>): Use VALL_F16_NO_V2Q
	iterator.
	(*aarch64_simd_vec_copy_lane_<vswap_width_name><mode>): Use
	VALL_NO_V2Q mode iterator.
	(*aarch64_vgetfmulx<mode>): Use VDQF iterator.

From-SVN: r245999

2017-03-09  Martin Liska  <mliska@suse.cz>

	PR tree-optimization/79631
	* tree-chkp-opt.c (chkp_is_constant_addr): Call
	tree_int_cst_sign_bit just for INTEGER constants.
2017-03-09  Martin Liska  <mliska@suse.cz>

	PR tree-optimization/79631
	* gcc.target/i386/mpx/pr79631.c: New test.

From-SVN: r245998

2017-03-09  Martin Liska  <mliska@suse.cz>

	PR target/65705
	PR target/69804
	* toplev.c (process_options): Disable -fcheck-pointer-bounds with
	sanitizers.
2017-03-09  Martin Liska  <mliska@suse.cz>

	PR target/65705
	PR target/69804
	* gcc.target/i386/pr71458.c: Update scanned pattern.

From-SVN: r245997

	PR c++/79672
	* tree.c (inchash::add_expr): Handle TREE_VEC.

	* g++.dg/warn/Wduplicated-branches2.C: Fix PR.
	* g++.dg/warn/Wduplicated-branches3.C: New test.

From-SVN: r245996

gcc/testsuite/
	* gcc.target/mips/msa-bclri.c: Skip the test for -O0.

From-SVN: r245995

2017-03-09  Martin Liska  <mliska@suse.cz>

	PR ipa/79764
	(chkp_narrow_size_and_offset): New function.
	(chkp_parse_array_and_component_ref): Support BIT_FIELD_REF.
	(void chkp_parse_bit_field_ref): New function.
	(chkp_make_addressed_object_bounds): Add case for BIT_FIELD_REF.
	(chkp_process_stmt): Use chkp_parse_bit_field_ref.
2017-03-09  Martin Liska  <mliska@suse.cz>

	PR ipa/79764
	* g++.dg/pr79764.C: New test.

From-SVN: r245994

2017-03-09  Martin Liska  <mliska@suse.cz>

	PR ipa/79761
	* tree-chkp.c (chkp_get_bound_for_parm): Get bounds for a param.
	(chkp_find_bounds_1): Remove gcc_unreachable.
2017-03-09  Martin Liska  <mliska@suse.cz>

	PR ipa/79761
	* g++.dg/pr79761.C: New test.

From-SVN: r245993

2017-03-09  Martin Liska  <mliska@suse.cz>

	* c-ada-spec.c (macro_length): Increment value instead of a pointer.

From-SVN: r245992

	PR sanitizer/79944
	* asan.c (get_mem_refs_of_builtin_call): For BUILT_IN_ATOMIC* and
	BUILT_IN_SYNC*, determine the access type from the size suffix and
	always build a MEM_REF with that type.  Handle forgotten
	BUILT_IN_SYNC_FETCH_AND_NAND_16 and BUILT_IN_SYNC_NAND_AND_FETCH_16.

	* c-c++-common/asan/pr79944.c: New test.

From-SVN: r245991

	PR target/79932
	* config/i386/avx512vlintrin.h (_mm256_cmpge_epi32_mask,
	_mm256_cmpge_epi64_mask, _mm256_cmpge_epu32_mask,
	_mm256_cmpge_epu64_mask, _mm256_cmple_epi32_mask,
	_mm256_cmple_epi64_mask, _mm256_cmple_epu32_mask,
	_mm256_cmple_epu64_mask, _mm256_cmplt_epi32_mask,
	_mm256_cmplt_epi64_mask, _mm256_cmplt_epu32_mask,
	_mm256_cmplt_epu64_mask, _mm256_cmpneq_epi32_mask,
	_mm256_cmpneq_epi64_mask, _mm256_cmpneq_epu32_mask,
	_mm256_cmpneq_epu64_mask, _mm256_mask_cmpge_epi32_mask,
	_mm256_mask_cmpge_epi64_mask, _mm256_mask_cmpge_epu32_mask,
	_mm256_mask_cmpge_epu64_mask, _mm256_mask_cmple_epi32_mask,
	_mm256_mask_cmple_epi64_mask, _mm256_mask_cmple_epu32_mask,
	_mm256_mask_cmple_epu64_mask, _mm256_mask_cmplt_epi32_mask,
	_mm256_mask_cmplt_epi64_mask, _mm256_mask_cmplt_epu32_mask,
	_mm256_mask_cmplt_epu64_mask, _mm256_mask_cmpneq_epi32_mask,
	_mm256_mask_cmpneq_epi64_mask, _mm256_mask_cmpneq_epu32_mask,
	_mm256_mask_cmpneq_epu64_mask, _mm_cmpge_epi32_mask,
	_mm_cmpge_epi64_mask, _mm_cmpge_epu32_mask, _mm_cmpge_epu64_mask,
	_mm_cmple_epi32_mask, _mm_cmple_epi64_mask, _mm_cmple_epu32_mask,
	_mm_cmple_epu64_mask, _mm_cmplt_epi32_mask, _mm_cmplt_epi64_mask,
	_mm_cmplt_epu32_mask, _mm_cmplt_epu64_mask, _mm_cmpneq_epi32_mask,
	_mm_cmpneq_epi64_mask, _mm_cmpneq_epu32_mask, _mm_cmpneq_epu64_mask,
	_mm_mask_cmpge_epi32_mask, _mm_mask_cmpge_epi64_mask,
	_mm_mask_cmpge_epu32_mask, _mm_mask_cmpge_epu64_mask,
	_mm_mask_cmple_epi32_mask, _mm_mask_cmple_epi64_mask,
	_mm_mask_cmple_epu32_mask, _mm_mask_cmple_epu64_mask,
	_mm_mask_cmplt_epi32_mask, _mm_mask_cmplt_epi64_mask,
	_mm_mask_cmplt_epu32_mask, _mm_mask_cmplt_epu64_mask,
	_mm_mask_cmpneq_epi32_mask, _mm_mask_cmpneq_epi64_mask,
	_mm_mask_cmpneq_epu32_mask, _mm_mask_cmpneq_epu64_mask): Move
	definitions outside of __OPTIMIZE__ guarded section.

	* gcc.target/i386/pr79932-2.c: New test.

From-SVN: r245990

	PR target/79932
	* config/i386/avx512bwintrin.h (_mm512_packs_epi32,
	_mm512_maskz_packs_epi32, _mm512_mask_packs_epi32,
	_mm512_packus_epi32, _mm512_maskz_packus_epi32,
	_mm512_mask_packus_epi32): Move definitions outside of __OPTIMIZE__
	guarded section.

	* gcc.target/i386/pr79932-1.c: New test.

From-SVN: r245989

	PR c++/79900 - ICE in strip_typedefs
	* tree.c (strip_typedefs): Skip the attribute handling if T is
	a variant type which hasn't been updated yet.

	* g++.dg/warn/Wpadded-1.C: New test.

From-SVN: r245988

gcc/ChangeLog:

2017-03-09  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* config/s390/vx-builtins.md ("vfee<mode>", "vfeez<mode>")
	("vfenez<mode>"): Add missing constraints.

From-SVN: r245987

	* constexpr.c (lookup_placeholder): Split out...
	(cxx_eval_constant_expression): ...from here.

From-SVN: r245986

From-SVN: r245985

Verified by building an nds32be-elf cross-compiler.

gcc/ChangeLog
	* config/nds32/nds32.c (nds32_option_override):

From-SVN: r245982

	PR c/79940
	* gimplify.c (gimplify_omp_for): Replace index var in outer
	taskloop statement with an artificial variable and add
	OMP_CLAUSE_PRIVATE clause for it.

	* testsuite/libgomp.c/pr79940.c: New test.

From-SVN: r245980

ChangeLog:

       PR demangler/70909
       PR demangler/67264
       * include/demangle.h: Add d_printing to struct demangle_component
       and pass struct demangle_component as non const.

libiberty/ChangeLog:

       PR demangler/70909
       PR demangler/67264
       * cp-demangle.c: Fix endless recursion. Pass
       struct demangle_component as non const.
       (d_make_empty): Initialize variable.
       (d_print_comp_inner): Limit recursion.
       (d_print_comp): Decrement variable.
       * cp-demint.c (cplus_demangle_fill_component): Initialize
       variable.
       (cplus_demangle_fill_builtin_type): Likewise.
       (cplus_demangle_fill_operator): Likewise.
       * testsuite/demangle-expected: Add tests.

From-SVN: r245978

       * btest.c (test5): Replace #ifdef guard with 'unused' attribute
       to fix compile warning when BACKTRACE_SUPPORTED isn't defined.

From-SVN: r245977

2017-03-08  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/79955
	* tree-ssa-uninit.c (warn_uninitialized_vars): Do not warn
	for accesses that are completely outside of the variable.

	* gcc.dg/uninit-24.c: New testcase.

From-SVN: r245976

From-SVN: r245975

2017-03-08  Andrew Haley  <aph@redhat.com>

	PR tree-optimization/79943
	* tree-ssa-loop-split.c (compute_new_first_bound): When
	calculating the new upper bound, (END-BEG) should be added, not
	subtracted.

From-SVN: r245974

re PR ada/79903 (When building GCC-cross compiler for  RTEMS/SPARC with Ada support, the build fails because of missing #ifdef)

	PR ada/79903
	* socket.c (__gnat_gethostbyaddr): Add missing test for __rtems__.

From-SVN: r245972

	PR ada/79945
	* system-linux-ppc.ads (Default_Bit_Order): Use Standard's setting.

	* system-linux-arm.ads (Default_Bit_Order): Likewise.
	* system-linux-mips.ads (Default_Bit_Order): Likewise.
	* system-linux-armeb.ads: Delete.
	* system-linux-mipsel.ads: Likewise.
	* gcc-interface/Makefile.in (MIPS/Linux): Adjust.
	(ARM/Linux): Likewise.

From-SVN: r245970

	* config/avr/avr.md (setmemhi): Make sure match_dup
	operand number comes before match_scratch.

From-SVN: r245969

2017-03-08  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/79920
	* tree-vect-slp.c (vect_create_mask_and_perm): Remove and inline
	with ncopies == 1 to ...
	(vect_transform_slp_perm_load): ... here.  Properly compute
	all element loads by iterating VF times over the group.  Do
	not handle ncopies (computed in a broken way) in
	vect_create_mask_and_perm.

	* gcc.dg/vect/pr79920.c: New testcase.

From-SVN: r245968

	PR sanitizer/79904
	* internal-fn.c (expand_vector_ubsan_overflow): If arg0 or arg1
	is a uniform vector, use uniform_vector_p return value instead of
	building ARRAY_REF on folded VIEW_CONVERT_EXPR to array type.

	* gcc.dg/ubsan/pr79904.c: New test.

From-SVN: r245967

From-SVN: r245966

	PR c/79834
c/
	* c-parser.c (c_parser_pragma): Use error_at instead of c_parser_error
	for "may only be used in compound statements" diagnostics, change it
	such that the same translatable string is used for all pragmas.  For
	PRAGMA_OACC_WAIT use "acc wait" rather than "acc enter data" in the
	diagnostics.
	(c_parser_omp_cancellation_point, c_parser_omp_target_update,
	c_parser_omp_target_enter_data, c_parser_omp_target_exit_data): Change
	"may only be used in compound statements" diagnostics, such that the
	same translatable string is used for all pragmas.
cp/
	* parser.c (cp_parser_omp_cancellation_point,
	cp_parser_omp_target_enter_data, cp_parser_omp_target_exit_data,
	cp_parser_omp_target_update): Change "may only be used in compound
	statements" diagnostics, such that the same translatable string is
	used for all pragmas.
	(cp_parser_pragma): Likewise.  Use error_at instead of
	cp_parser_error for that diagnostics.
testsuite/
	* c-c++-common/goacc/pragma_context.c (f2): Adjust expected
	diagnostics.

From-SVN: r245959

	PR middle-end/79809
	* gimple-ssa-warn-alloca.c (pass_walloca::gate): Use HOST_WIDE_INT.
	(alloca_call_type): Likewise.

	* g++.dg/Walloca1.C: New test.

From-SVN: r245955

2017-03-07  Martin Liska  <mliska@suse.cz>

	* gcov.c (process_args): Put comment to correct location.

From-SVN: r245952

2017-03-07  Martin Liska  <mliska@suse.cz>

	PR middle-end/68270
	* tree-chkp.c (chkp_may_narrow_to_field): Add new argument ref.
	Use array_at_struct_end_p instead of DECL_CHAIN (field).
	(chkp_narrow_bounds_for_field): Likewise.
	(chkp_parse_array_and_component_ref): Pass one more argument to
	call.
2017-03-07  Martin Liska  <mliska@suse.cz>

	PR middle-end/68270
	* g++.dg/pr68270.C: New test.

From-SVN: r245951

2017-03-07  Richard Biener  <rguenther@suse.de>

	* tree-vect-loop-manip.c (slpeel_add_loop_guard): Preserve
	preheaders.

From-SVN: r245950

As Shmuel reported in <https://gcc.gnu.org/ml/gcc-help/2017-03/msg00009.html>,
on x86-64 small structures in automatic storage are aligned to 16 bytes.
This seems to be because of a mix-up between bits and bytes in the i386
target code.


	* config/i386/i386.c (ix86_local_alignment): Align most aggregates
	of 16 bytes and more to 16 bytes, not those of 16 bits and more.

From-SVN: r245949

	PR c/79855
	* params.def (PARAM_STORE_MERGING_ALLOW_UNALIGNED): Add full stop
	to end of description.
	(PARAM_MAX_STORES_TO_MERGE): Likewise.

From-SVN: r245948

	PR rtl-optimization/79901
	* config/i386/sse.md (*avx512bw_<code><mode>3<mask_name>): Renamed to
	...
	(*avx512f_<code><mode>3<mask_name>): ... this.
	(<code><mode>3 with maxmin code iterator): Use VI8_AVX2_AVX512F
	iterator instead of VI8_AVX2_AVX512BW.

	* gcc.target/i386/pr79901.c: New test.

From-SVN: r245947

	PR rtl-optimization/79901
	* expr.c (expand_expr_real_2): For vector MIN/MAX, if there is no
	min/max expander, expand it using expand_vec_cond_expr.

From-SVN: r245946