gcc/testsuite/ChangeLog:

2015-12-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* gcc.target/s390/vector/vec-vrepi-1.c: New test.

gcc/ChangeLog:

2015-12-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* config/s390/constraints.md ("jKK"): New constraint.
	* config/s390/s390.c (tm-constrs.h): Include for
	satisfies_constraint_*.
	(s390_legitimate_constant_p): Allow jKK constants.  Use
	satisfies_constraint_* also for the others.
	(legitimate_reload_vector_constant_p): Likewise.
	(print_operand): Allow h output modifier on vectors.
	* config/s390/vector.md ("mov<mode>"): Add vrepi.

From-SVN: r231154

gcc/ChangeLog:

2015-12-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* config/s390/vector.md ("*vec_splats<mode>"): Fix constraint
	latter I->K.

gcc/testsuite/ChangeLog:

2015-12-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* gcc.target/s390/zvector/vec-splat-1.c: New test.

From-SVN: r231153

gcc/ChangeLog:

2015-12-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* config/s390/s390.md ("bswap<mode>2"): Add support for strv and
	strvg.
	("bswaphi2"): New pattern.
	New splitter for HI reg-reg bswap.

gcc/testsuite/ChangeLog:

2015-12-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* gcc.target/s390/bswap-1.c (foo64c, foo32a, foo32c): New functions.
	* gcc.target/s390/bswaphi-1.c: New test.

From-SVN: r231152

gcc/testsuite/ChangeLog:

2015-12-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* lib/target-supports.exp: Add s390 and s390x to the list of long
	long atomic targets.

From-SVN: r231151

	PR driver/68029
	* opts-common.c (prune_options): Don't ignore -fdiagnostics-color
	if it is the first parameter.

From-SVN: r231150

gcc/testsuite/ChangeLog:

2015-12-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* gcc.dg/optimize-bswapdi-1.c: Force using -mzarch on s390 and
	s390x to enable 64 bit bswap patterns.
	* gcc.dg/optimize-bswapdi-2.c: Likewise.
	* gcc.dg/optimize-bswapdi-3.c: Likewise.
	* lib/target-supports.exp: Add a comment for s390.

From-SVN: r231149

gcc/testsuite/ChangeLog:

2015-12-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* gcc.dg/builtin-bswap-6a.c: Add -march=z900 for s390 and s390x in
	order to make -m31 work.
	* gcc.dg/optimize-bswapsi-1.c: Likewise.
	* gcc.dg/optimize-bswapsi-2.c: Likewise.

From-SVN: r231148

re PR c/68533 (bogus location for "warning: ‘struct s3’ declared inside parameter list will not be visible outside of this definition or declaration")

	PR c/68533
	* c-decl.c (get_parm_info): Use b->locus instead of input_location
	for diagnostics.

	* gcc.dg/pr68533.c: New test.

From-SVN: r231147

SVN commit r230979 always associates a loop's back-jump with the start
of the loop body.  This caused a regression for gcov with conditional
loops, because then the loop body appears to be covered twice per
iteration.

2015-12-02  Andreas Arnez  <arnez@linux.vnet.ibm.com>

	PR gcov-profile/68603
	* cp-gimplify.c (genericize_cp_loop): For the back-jump's location
	use the start of the loop body only if the loop is unconditional.

From-SVN: r231146

	PR ada/68169
	* s-oscons-tmplt.c: Generate pthread constants for RTEMS
	* s-osinte-rtems.ads: Declare pthread structs as opaque types in Ada

From-SVN: r231145

	PR go/65717
    compiler: Fix array reflection when len doesn't fit in unsigned long.
    
    This comes up when using a 32-bit host and a 64-bit target.
    
    Fixes https://gcc.gnu.org/PR65717.
    
    Reviewed-on: https://go-review.googlesource.com/17330

From-SVN: r231142

From-SVN: r231140

fptr.c (__canonicalize_funcptr_for_compare): Initialize fixup values if saved GOT address doesn't match runtime address.

	* config/pa/fptr.c (__canonicalize_funcptr_for_compare): Initialize
	fixup values if saved GOT address doesn't match runtime address.
	(fixup_branch_offset): Reorder list.

From-SVN: r231135

This patch adds support for simple cases where a vector
internal function returns wider results than the scalar
equivalent.  It punts on other cases.

Tested on powerpc64-linux-gnu and x86_64-linux-gnu.

gcc/
	PR tree-optimization/68577
	* tree-vect-stmts.c (simple_integer_narrowing): New function.
	(vectorizable_call): Restrict internal function handling
	to NONE and NARROW cases, using simple_integer_narrowing
	to test for the latter.  Add cost of narrowing operation
	and insert it where necessary.

gcc/testsuite/
	PR tree-optimization/68577
	* gcc.dg/vect/pr68577.c: New test.

From-SVN: r231131

2015-12-01  Andreas Tobler  <andreast@gcc.gnu.org>

    * config/rs6000/freebsd64.h (ELFv2_ABI_CHECK): Add new macro.
    (SUBSUBTARGET_OVERRIDE_OPTIONS): Use it to decide whether to set
    rs6000_current_abi to ABI_AIX or ABI_ELFv2.

From-SVN: r231129

re PR libffi/65726 (libffi fails to build when not bootstrapping: configure: error: C++ preprocessor "/lib/cpp" fails sanity check)

2015-12-01  Andreas Tobler  <andreast@gcc.gnu.org>

    PR libffi/65726
    * Makefile.def (lang_env_dependencies): Make libffi depend
    on cxx.
    * Makefile.in: Regenerate.

From-SVN: r231128

	gcc/
	* config/nvptx/nvptx-protos.h (nvptx_output_aligned_decl): Declare.
	* config/nvptx/nvptx.h (ASM_OUTPUT_ALIGNED_DECL_COMMON,
	ASM_OUTPUT_ALIGNED_DECL_LOCAL): Forward to nvptx_output_aligned_decl.
	* config/nvptx/nvptx.c (write_fn_marker, write_var_marker): New.
	(write_fn_proto, write_fn_proto_from_insn): Call write_fn_marker.
	(init_output_initializer): Call write_var_marker.
	(nvptx_output_aligned_decl): New.
	(nvptx_assemble_undefined_decl, nvptx_file_end): Call write_var_marker.

	gcc/testsuite/
	* gcc.target/nvptx/uninit-decl.c: New.

From-SVN: r231127

	* gcc.c-torture/execute/alias-1.c: New testcase.
	* c-common.c: Do not silently ignore -fstrict-aliasing changes.

From-SVN: r231125

	* lto-streamer-out.c (hash_tree): Do not stream TYPE_ALIAS_SET.
	* tree-streamer-out.c (pack_ts_type_common_value_fields): Do not
	stream TYPE_ALIAS_SET.
	* tree-streamer-in.c (unpack_ts_type_common_value_fields): Do not
	stream TYPE_ALIAS_SET.

	* lto.c (compare_tree_sccs_1): Do not compare TYPE_ALIAS_SET.

From-SVN: r231124

	* config/nvptx/nvptx.c (nvptx_function_arg_advance): Don't
	consider mode.

From-SVN: r231121

re PR tree-optimization/64769 (ICE: tree check: expected integer_cst, have parm_decl in simd_clone_clauses_extract, at omp-low.c:12503 with -fopenmp-simd)

	PR tree-optimization/64769
	* c-c++-common/gomp/pr64769.c: New test.

From-SVN: r231120

[gcc]

2015-12-01  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* config/rs6000/rs6000.c (const_load_sequence_p): Handle extra
	indirection for large and small code models.
	(adjust_vperm): Likewise.

[gcc/testsuite]

2015-12-01  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* gcc.target/powerpc/swaps-p8-22.c: New.

From-SVN: r231119

	gcc/
	* gimple-pretty-print.c (dump_gimple_omp_target): Add host_data
	support.
	* gimple.h (gf_mask): Add GF_OMP_TARGET_KIND_OACC_HOST_DATA.
	(is_gimple_omp_oacc): Add support for above.
	* gimplify.c (omp_region_type): Add ORT_ACC_HOST_DATA.
	(omp_notice_variable): Diagnose undefined implicit uses of
	use_device variables in offloaded regions.
	(gimplify_scan_omp_clauses): Add host_data, use_device
	support. Diagnose undefined mapping of use_device variables in
	OpenACC clauses.
	(gimplify_omp_workshare): Add host_data support.
	(gimplify_expr): Likewise.
	* omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): New.
	* omp-low.c (lookup_decl_in_outer_ctx)
	(maybe_lookup_decl_in_outer_ctx): Add optional argument to skip
	host_data regions.
	(scan_sharing_clauses): Support use_device.
	(check_omp_nesting_restrictions): Support host_data.
	(expand_omp_target): Support host_data.
	(lower_omp_target): Skip over outer host_data regions when looking
	up decls. Support use_device.
	(make_gimple_omp_edges): Support host_data.
	* tree-nested.c (convert_nonlocal_omp_clauses): Add use_device
	clause.

	gcc/c/
	* c-parser.c (c_parser_omp_clause_name): Add use_device support.
	(c_parser_oacc_clause_use_device): New function.
	(c_parser_oacc_all_clauses): Add use_device support.
	(OACC_HOST_DATA_CLAUSE_MASK): New macro.
	(c_parser_oacc_host_data): New function.
	(c_parser_omp_construct): Add host_data support.
	* c-tree.h (c_finish_oacc_host_data): Add prototype.
	* c-typeck.c (c_finish_oacc_host_data): New function.
	(c_finish_omp_clauses): Add use_device support.

	gcc/cp/
	* cp-tree.h (finish_oacc_host_data): Add prototype.
	* parser.c (cp_parser_omp_clause_name): Add use_device support.
	(cp_parser_oacc_all_clauses): Add use_device support.
	(OACC_HOST_DATA_CLAUSE_MASK): New macro.
	(cp_parser_oacc_host_data): New function.
	(cp_parser_omp_construct): Add host_data support.
	(cp_parser_pragma): Add host_data support.
	* semantics.c (finish_omp_clauses): Add use_device support.
	(finish_oacc_host_data): New function.

	gcc/c-family/
	* c-pragma.c (oacc_pragmas): Add PRAGMA_OACC_HOST_DATA.
	* c-pragma.h (pragma_kind): Add PRAGMA_OACC_HOST_DATA.
	(pragma_omp_clause): Add PRAGMA_OACC_CLAUSE_USE_DEVICE.

	libgomp/
	* oacc-parallel.c (GOACC_host_data): New function.
	* libgomp.map (GOACC_host_data): Add to GOACC_2.0.1.
	* testsuite/libgomp.oacc-c-c++-common/host_data-1.c: New test.
	* testsuite/libgomp.oacc-c-c++-common/host_data-2.c: New test.
	* testsuite/libgomp.oacc-c-c++-common/host_data-3.c: New test.
	* testsuite/libgomp.oacc-c-c++-common/host_data-4.c: New test.
	* testsuite/libgomp.oacc-c-c++-common/host_data-5.c: New test.
	* testsuite/libgomp.oacc-c-c++-common/host_data-6.c: New test.


Co-Authored-By: Cesar Philippidis <cesar@codesourcery.com>
Co-Authored-By: James Norris <James_Norris@mentor.com>

From-SVN: r231118

	PR tree-optimization/67916
	* gcc.dg/torture/pr67916.c: New test.

From-SVN: r231117

re PR middle-end/68582 (-Wunused-function doesn't warn about unused static __attribute__((noreturn)) functions)

	PR middle-end/68582
	* cgraphunit.c (check_global_declaration): Only depend on TREE_THIS_VOLATILE
	for VAR_DECLs.

	* c-c++-common/pr68582.c: New test.

From-SVN: r231116

We'd call gen_shrink_wrap_conditions for functions that it can't handle
but edom_only_function can.

Tested on x86_64-linux-gnu.

gcc/
	PR tree-optimization/68474
	* tree-call-cdce.c (use_internal_fn): Protect call to
	gen_shrink_wrap_conditions.

gcc/testsuite/
	PR tree-optimization/68474
	* gcc.dg/pr68474.c: New test.

From-SVN: r231115

2015-12-01  Christian Bruel  <christian.bruel@st.com>

        PR target/68617
        * config/arm/arm.opt (unaligned_access): Save.
        * config/arm/arm-c.c (__ARM_FEATURE_UNALIGNED): Conditionally define.
        * config/arm/arm.c (arm_option_override): Move unaligned_access setting
        (arm_option_override_internal): ... here.
        * config/arm/arm.h (TARGET_32BIT_P): New macro.

// testsuite
        PR target/68617
        * gcc.target/arm/attr-unaligned-load-ice.c: New test.

From-SVN: r231114

2015-12-01  Tom de Vries  <tom@codesourcery.com>

	* gcc.dg/pr46032.c: Move to ...
	* gcc.dg/vect/pr46032.c: here.  Add dg-require-effective-target
	vect_int.
	* gcc.dg/pr46032-2.c: Move to ...
	* gcc.dg/gomp/pr46032-2.c: ... here.  Drop dg-require-effective-target fopenmp.
	* gcc.dg/pr46032-3.c: Move to ...
	* gcc.dg/gomp/pr46032-3.c: ... here.  Drop dg-require-effective-target fopenmp.

From-SVN: r231113

	gcc/fortran/
	* dump-parse-tree.c (show_omp_clauses): Handle optional num and static
	arguments for the gang clause.
	* gfortran.h (gfc_omp_clauses): Rename gang_expr as gang_num_expr.
	Add gang_static_expr.
	* openmp.c (gfc_free_omp_clauses): Update to free gang_num_expr and
	gang_static_expr.
	(match_oacc_clause_gang): Update to support both num and static in
	the same clause.
	(resolve_omp_clauses): Formatting.  Also handle gang_num_expr and
	gang_static_expr.
	(resolve_oacc_params_in_parallel): New const char arg argument.
	Use it to report more accurate gang, worker and vector clause errors.
	(resolve_oacc_loop_blocks): Update calls to
	resolve_oacc_params_in_parallel.
	* trans-openmp.c (gfc_trans_omp_clauses): Update the gimplification of
	the gang clause.
	(gfc_trans_oacc_combined_directive): Make use of gang_num_expr and
	gang_static_expr.  Remove OMP_LIST_REDUCTION from construct_clauses.

	gcc/testsuite/
	* gfortran.dg/goacc/gang-static.f95: Add tests for gang num arguments.
	* gfortran.dg/goacc/loop-2.f95: Update expected diagnostics.
	* gfortran.dg/goacc/loop-6.f95: Likewise.
	* gfortran.dg/goacc/loop-7.f95: New test.
	* gfortran.dg/goacc/reduction-2.f95: New test.

From-SVN: r231112

re PR tree-optimization/68379 (BB vectorization: definition in block 13 follows the use for SSA_NAME)

2015-12-01  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/68379
	* tree-vect-stmts.c (vectorizable_load): For BB vectorization
	always base loads on the first used DR of a group.
	* tree-vect-data-refs.c (vect_slp_analyze_and_verify_node_alignment):
	Compute alignment of the first scalar element unconditionally.

	* gcc.dg/torture/pr68379.c: New testcase.
	* gfortran.dg/pr68379-1.f90: Likewise.
	* gfortran.dg/pr68379-2.f: Likewise.

From-SVN: r231111

2015-12-01  Richard Biener  <rguenther@suse.de>

	PR middle-end/68590
	* genmatch.c (struct capture_info): Add match_use_count.
	(capture_info::walk_match): Increment match_use_count.
	(dt_simplify::gen_1): For GENERIC, only wrap multi-use
	replacements in a save_expr if they occur more often than
	in the original expression.

From-SVN: r231110

2015-12-01  Christophe Lyon  <christophe.lyon@linaro.org>

	* gcc.dg/pr46032.c: Add dg-require-effective-target fopenmp.
	* gcc.dg/pr46032-2.c: Likewise.
	* gcc.dg/pr46032-3.c: Likewise.

From-SVN: r231109

re PR ipa/68470 (Internal Compiler Error observed by g++-4.9.2 and a few other versions (reported to Debian))

2015-12-01  Richard Biener  <rguenther@suse.de>

	PR ipa/68470
	* ipa-split.c (split_function): Handle main part not returning.

	* g++.dg/torture/pr68470.C: New testcase.

From-SVN: r231108

	* include/experimental/bits/fs_path.h (path::_Cmpt): Move definition
	after path::__is_encoded_char explicit specializations.

From-SVN: r231107

gcc/

	PR middle-end/68595
	* tree-vect-stmts.c (vect_init_vector): Cast boolean
	scalars to a proper value before building a vector.

gcc/testsuite/

	PR middle-end/68595
	* gcc.dg/pr68595.c: New test.

From-SVN: r231106

From-SVN: r231105

From-SVN: r231104

The errors reported by check_attr_value weren't very helpful because
they always used the location of the define(_enum)_attr, even if the
error was in a define_insn.  Also, the errors reported by
check_attr_test didn't say which attribute was faulty.

Although not technically a bug fix, it was really useful in writing
the patch for PR68432.

Tested on a variety of targets.

gcc/
	* genattrtab.c (check_attr_test): Take an attr_desc instead of
	an is_const flag.  Put the file_location argument first.
	Update recursive calls.  Improve error messages.
	(check_attr_value): Take a file location and use it instead
	of attr->loc.  Improve error messages.  Update calls to
	check_attr_test.
	(check_defs): Update call to check_attr_value.
	(make_canonical): Likewise.
	(gen_attr): Likewise.
	(main): Likewise.
	(gen_insn_reserv): Update call to check_attr_test.

From-SVN: r231103

2015-12-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	* config/aarch64/aarch64.c (aarch64_builtin_reciprocal): Fix typo.

From-SVN: r231101

2015-12-01  Richard Biener  <rguenther@suse.de>

	PR middle-end/68590
	* match.pd: Merge (eq @0 @0) and (ge/le @0 @0) patterns.

From-SVN: r231100