PR target/66870
	* config/rs6000/sysv4.h (TARGET_CAN_SPLIT_STACK_64BIT): Define.
	* configure.ac: Define HAVE_GOLD_ALTERNATE_SPLIT_STACK on Power
	based on gold linker version.
	* gcc.c: Add -fuse-ld=gold to STACK_SPLIT_SPEC if
	HAVE_GOLD_ALTERNATE_SPLIT_STACK defined.
	* configure, config.in: Regenerate.
go:
	* gospec.c (lang_specific_driver): Set appropriate split stack
	options for 64 bit compiles based on TARGET_CAN_SPLIT_STACK_64BIT.

From-SVN: r228311

For other ABIs, -msingle-pic-base makes gcc omit loading of the PIC
register in function prologues.  This patch makes the option affect
ELFv2 too.

	* config/rs6000/rs6000.c (rs6000_emit_prologue): Don't set
	r2_setup_needed when TARGET_SINGLE_PIC_BASE.
	(rs6000_output_mi_thunk): Likewise.

From-SVN: r228309

	gcc/
	* config/nvptx/mkoffload.c (process): Change offload data format.

	libgomp/
	* plugin/plugin-nvptx.c (targ_fn_launch): Use GOMP_DIM_MAX.
	(struct targ_ptx_obj): New.
	(nvptx_tdata): Move earlier, change data format.
	(link_ptx): Take targ_ptx_obj ptr and count.  Allow multiple
	objects.
	(GOMP_OFFLOAD_load_image): Adjust.

Co-Authored-By: Bernd Schmidt <bernds@codesourcery.com>

From-SVN: r228308

ppc32 starts using the stack for integer arg passing when we run out
of integer arg passing registers.  Similarly, we start using the stack
for floating point args when we run out of floating point registers.
The decision on where an integer arg goes does not depend on number of
floating point args, nor does the decision on where a floating point
arg goes depend on number of integer args.  Alignment of stack args
also simply depends on number of stack args.

This patch untangles the horrible mess we had, with intarg_count being
wrongly used to count both integer args and stack words.

	* src/powerpc/ffi_sysv.c (ffi_prep_cif_sysv_core): Count fprs,
	gprs, and stack words separately.
	(ffi_prep_args_SYSV): Similarly.

From-SVN: r228307

	* tree-ssa-dom.c (optimize_stmt): Collapse control flow statements
	with constant conditions.
	* tree-ssa-threadupdate.c (remove_jump_threads_starting_at): New.
	(remove_ctrl_stmt_and_useless_edges): No longer static.
	* tree-ssa-threadupdate.h (remove_jump_threads_starting_at): Prototype.
	(remove_ctrl_stmt_and_useless_edges): Likewise.

	* gcc.dg/tree-ssa/ssa-dom-branch-1.c: New test.

From-SVN: r228306

2015-09-30  François Dumont  <fdumont@gcc.gnu.org>
	    Jonathan Wakely  <jwakely@redhat.com>

	* config/locale/gnu/messages_members.cc (Catalog_info, Catalogs):
	Move...
	* config/locale/gnu/c++locale_internal.h: ...here in std namespace.
	* config/locale/gnu/c_locale.cc: Move implementation of latter here.
	* src/c++98/Makefile.am: Compile c++locale.cc with -fimplicit-templates.
	* src/c++98/Makefile.in: Regenerate.
	* config/abi/pre/gnu.ver: Adjust.

Co-Authored-By: Jonathan Wakely <jwakely@redhat.com>

From-SVN: r228305

	* config/nvptx/nvptx.c (nvptx_goacc_validate_dims): New.
	(TARGET_GOACC_VALIDATE_DIMS): Override.
	* target.def (TARGET_GOACC): New target hook prefix.
	(validate_dims): New hook.
	* targhooks.h (default_goacc_validate_dims): New.
	* omp-low.c (oacc_validate_dims): New.
	(execute_oacc_device_lower): New.
	(default_goacc_validate_dims): New.
	(pass_data_oacc_device_lower): New.
	(pass_oacc_device_lower): New pass.
	(make_pass_oacc_device_lower): New.
	* tree-pass.h (make_pass_oacc_device_lower): Declare.
	* passes.def (pass_oacc_device_lower): Add it.
	* doc/tm.texi: Rebuilt.
	* doc/tm.texi.in (TARGET_GOACC_VALIDATE_DIMS): Add hook.
	* doc/invoke.texi (oaccdevlow): Document tree dump flag.

Co-Authored-By: Cesar Philippidis <cesar@codesourcery.com>

From-SVN: r228304

2015-09-30  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        PR rtl-optimization/67037
        * lra-constraints.c (process_addr_reg): Use copy_rtx when necessary.

testsuite:
2015-09-30  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        PR rtl-optimization/67037
        * gcc.c-torture/execute/pr67037.c: New test.

From-SVN: r228303

	* gimple-ssa.h (gimple_df): Add free_ssanames_queue field.
	* passes.c: Include tree-ssanames.h.
	(execute_function_todo): Flush the pending free SSA_NAMEs after
	eliminating unreachable basic blocks.
	* tree-ssanames.c (FREE_SSANAMES_QUEUE): new.
	(init_ssanames): Initialize FREE_SSANAMES_QUEUE.
	(fini_ssanames): Finalize FREE_SSANAMES_QUEUE.
	(flush_ssanames_freelist): New function.
	(release_ssaname_fn): Put released names on the queue.
	(pass_release_ssa_names::execute): Call flush_ssanames_freelist.
	* tree-ssanames.h (flush_ssanames_freelist): Declare.

From-SVN: r228302

	gcc/
	* config/i386/intelmic-mkoffload.c (main): Parse "-v" flag.
	(generate_target_descr_file, generate_target_offloadend_file)
	(generate_host_descr_file, prepare_target_image, main): Pass it
	on.
	* config/nvptx/mkoffload.c (main): Parse "-v" flag.
	(compile_native, main): Pass it on.
	* lto-wrapper.c (compile_offload_image): Likewise.

From-SVN: r228301

That is, restore and adapt the code as originally proposed.

	gcc/
	* config/i386/intelmic-mkoffload.c (generate_host_descr_file)
	(prepare_target_image, main): Refactor argv building to use
	obstacks.

Co-Authored-By: Andrey Turetskiy <andrey.turetskiy@intel.com>
Co-Authored-By: Ilya Verbin <ilya.verbin@intel.com>

From-SVN: r228300

	gcc/ada/
	* gcc-interface/utils.c (DEF_FUNCTION_TYPE_VAR_11): Don't define.
	gcc/jit/
	* jit-builtins.h: Undefine DEF_FUNCTION_TYPE_VAR_6 after use.

Co-Authored-By: Ulrich Drepper <drepper@gmail.com>

From-SVN: r228298

gcc/
	* config/spu/spu-protos.h (spu_expand_atomic_op): Add prototype.
	* config/spu/spu.c (spu_expand_atomic_op): New function.
	* config/spu/spu.md (AINT): New mode iterator.
	(ATOMIC): New code iterator.
	(atomic_name, atomic_pred): New code predicates.
	("atomic_load<mode>", "atomic_store<mode>"): New expanders.
	("atomic_compare_and_swap<mode>", "atomic_exchange<mode>"): Likewise.
	(""atomic_<atomic_name><mode>", "atomic_fetch_<atomic_name><mode>",
	"atomic_<atomic_name>_fetch<mode>"): Likewise.

gcc/testsuite/
	* lib/target-supports.exp (check_effective_target_sync_int_128):
	Return 1 on spu-*-* targets.
	(check_effective_target_sync_int_128_runtime): Likewise.
	(check_effective_target_sync_long_long): Likewise.
	(check_effective_target_sync_long_long_runtime): Likewise.
	(check_effective_target_sync_int_long): Likewise.
	(check_effective_target_sync_char_short): Likewise.

From-SVN: r228297

gcc/

	* config/i386/i386.c (scalar_chain::analyze_register_chain): Ignore
	debug insns.
	(scalar_chain::convert_reg): Likewise.

gcc/testsuite/

	* gcc.target/i386/pr67761.c: New test.

From-SVN: r228292

2015-09-30  Matthias Klose  <doko@ubuntu.com>

        * config/cpu/alpha, config/cpu/ia64: Remove empty directories.

From-SVN: r228291

2015-09-30  Richard Biener  <rguenther@suse.de>

	* builtins.c: Add comment that no new simplifications shouldd
	be added here.

From-SVN: r228290

        * jit-builtins.h Define DEF_FUNCTION_TYPE_VAR_6,
        remove DEF_FUNCTION_TYPE_VAR_11.
        * jit-builtins.c (builtins_manager::make_type): Define and handle
        DEF_FUNCTION_TYPE_VAR_6, remove DEF_FUNCTION_TYPE_VAR_11.

From-SVN: r228289

	PR c/67730
	* c-typeck.c (c_finish_return): Use the expansion point location for
	certain "return with value" warnings.

	* gcc.dg/pr67730.c: New test.

From-SVN: r228286

	PR tree-optimization/67690
	* tree-ssa-ifcombine.c (pass_tree_ifcombine::execute): Call
	reset_flow_sensitive_info_in_bb.
	* tree-ssa-tail-merge.c (replace_block_by): Likewise.
	* tree-ssanames.c: Include "gimple-iterator.h".
	(reset_flow_sensitive_info_in_bb): New function.
	* tree-ssanames.h (reset_flow_sensitive_info_in_bb): Declare.

	* gcc.dg/torture/pr67690.c: New test.

From-SVN: r228284

	gcc/
	* config/i386/intelmic-mkoffload.c (target_ilp32): Remove
	variable, replacing it with...
	(offload_abi): ... this new variable.  Adjust all users.
	* config/nvptx/mkoffload.c (target_ilp32, offload_abi): Likewise.

From-SVN: r228283

That is, verify that we're actually reaching the expected checkpoint before
terminating.

	libgomp/
	* testsuite/libgomp.oacc-c-c++-common/abort-1.c: Add checkpoint.
	* testsuite/libgomp.oacc-c-c++-common/abort-3.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/clauses-2.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/data-already-1.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/data-already-2.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/data-already-3.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/data-already-4.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/data-already-5.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/data-already-6.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/data-already-7.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/data-already-8.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-1.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-11.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-16.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-17.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-18.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-2.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-20.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-21.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-22.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-23.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-25.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-26.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-27.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-28.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-29.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-3.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-30.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-34.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-35.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-36.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-39.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-4.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-40.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-42.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-43.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-44.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-47.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-48.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-52.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-53.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-54.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-57.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-58.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-62.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-63.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-64.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-65.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-67.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-68.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-71.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-77.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/lib-80.c: Likewise.
	* testsuite/libgomp.oacc-c-c++-common/present-1.c: Likewise.
	* testsuite/libgomp.oacc-fortran/abort-1.f90: Likewise.
	* testsuite/libgomp.oacc-fortran/data-already-1.f: Likewise.
	* testsuite/libgomp.oacc-fortran/data-already-2.f: Likewise.
	* testsuite/libgomp.oacc-fortran/data-already-3.f: Likewise.
	* testsuite/libgomp.oacc-fortran/data-already-4.f: Likewise.
	* testsuite/libgomp.oacc-fortran/data-already-5.f: Likewise.
	* testsuite/libgomp.oacc-fortran/data-already-6.f: Likewise.
	* testsuite/libgomp.oacc-fortran/data-already-7.f: Likewise.
	* testsuite/libgomp.oacc-fortran/data-already-8.f: Likewise.

From-SVN: r228282

2015-09-30  Matthias Klose  <doko@ubuntu.com>

        * configure.ac: Remove extraneous ;;.
        * configure: Regenerate.

From-SVN: r228281

2015-09-30  Christophe Lyon  <christophe.lyon@linaro.org>

	* g++.dg/cpp0x/stdint.C: Move dg-require-effective-target after
	dg-do.
	* g++.dg/gomp/tls-wrap4.C: Likewise.
	* gcc.dg/atomic-op-optimize.c: Likewise.
	* gcc.dg/pr54087.c: Likewise.
	* gcc.dg/tls/section-2.c: Likewise.
	* gcc.dg/vect/costmodel/ppc/costmodel-bb-slp-9a-pr63175.c:
	Likewise.
	* gcc.dg/vect/costmodel/ppc/costmodel-pr37194.c: Likewise.
	* gcc.dg/vect/trapv-vect-reduc-4.c: Likewise.
	* gcc.target/arm/divzero.c: Likewise.
	* gcc.target/arm/sibcall-2.c: Likewise.
	* gcc.target/arm/thumb1-Os-mult.c: Likewise.
	* gcc.target/arm/thumb1-load-64bit-constant-1.c: Likewise.
	* gcc.target/arm/thumb1-load-64bit-constant-2.c: Likewise.
	* gcc.target/arm/thumb1-load-64bit-constant-3.c: Likewise.
	* gcc.target/arm/volatile-bitfields-1.c: Likewise.
	* gcc.target/arm/volatile-bitfields-2.c: Likewise.
	* gcc.target/arm/volatile-bitfields-3.c: Likewise.
	* gcc.target/arm/volatile-bitfields-4.c: Likewise.
	* gfortran.dg/default_format_2.f90: Likewise.
	* gfortran.dg/default_format_denormal_2.f90: Likewise.

From-SVN: r228280

From-SVN: r228279

From-SVN: r228276

2015-09-29  Jonathan Roelofs  <jonathan@codesourcery.com>

	* gcc.dg/debug/pr65771.c: Use tls_runtime instead of tls.

From-SVN: r228273

Limit the MEMSET (setmemsi pattern) and MEMCPY (movmemsi pattern)
instructions to 0-511 bytes. There is a hardware limitation on large
MEMSET, MEMCPY operations that the library versions of memset() and
memcpy() deal with.

2015-09-29  James Bowman  <james.bowman@ftdichip.com>

	* config/ft32/predicates.md (ft32_imm_operand): New predicate.
	* config/ft32/ft32.md (movmemsi, setmemsi): Use ft32_imm_operand
	predicate, disallow register for operand 2.

From-SVN: r228271

    
    When determining the type of an index for a string/array indexing
    expression, the gofrontend would disallow floating-point and complex
    values even if they were integral and throw an internal error.  This
    patch changes gofrontend to use an integral type context when
    determining the types of a string/array index.
    
    Fixes golang/go#11545.
    
    Reviewed-on: https://go-review.googlesource.com/13796

From-SVN: r228270

No functional changes intended. Passes make check and bootstrap.
gcc/ChangeLog:

2015-09-29  Aditya Kumar  <hiraditya@msn.com>

        * graphite-dependences.c (scop_get_dependences): Moved in down
	in order to be visible to its caller.
        * graphite-poly.h: Removed compute_deps, and extend_schedule.

From-SVN: r228269

This patch fixes PR66754 by reverting an earlier unintended change.
We now generate a much simpler AST for interchange-1.c:

ISL AST generated by ISL:
{
  for (int c1 = 0; c1 <= 1334; c1 += 1) {
    S_7(c1);
    for (int c3 = 0; c3 <= 1334; c3 += 1)
      S_4(c1, c3);
    S_5(c1);
  }
  for (int c1 = 0; c1 <= 1334; c1 += 1)
    S_10(c1);
  S_8();
}

Bootstrap and check pass on x86_64-linux with isl-0.14.1

          PR tree-optimization/67754
          * graphite-optimize-isl.c (optimize_isl): Call
          isl_options_set_schedule_fuse with ISL_SCHEDULE_FUSE_MIN for ISL-14.

Co-Authored-By: Aditya Kumar <aditya.k7@samsung.com>

From-SVN: r228268

	gcc/
	* builtins.c (expand_builtin_acc_on_device): Delete.
	(expand_builtin): Don't call it.
	(fold_builtin_1): Fold acc_on_device.

	libgomp/
	* oacc-init.c (acc_on_device): Force optimization level.

From-SVN: r228267

	* config/i386/i386.c (ix86_function_arg): Fix typo in comments.
	(ix86_nsaved_sseregs): Likewise.

From-SVN: r228266

	* plugin/plugin-nvptx.c (ARRAYSIZE): Delete.
	(cuda_errlist): Delete.
	(cuda_error): Reimplement.

From-SVN: r228265

[PATCH] Fix building microblaze targets with trunk
	* config/microblaze/microblaze.c (microblaze_version_to_int): Remove
	computation of unused value.

From-SVN: r228263

	gfortran.dg/ieee/ieee_4.f90: xfail on i386-*-freebsd*
	gfortran.dg/round_4.f90: ditto.

From-SVN: r228262

	* config/pdp11/pdp11.c (pdp11_branch_cost): New function.
	* config/pdp11/pdp11.h (BRANCH_COST): Call function rather than
	inline macro expansion.

From-SVN: r228259

	* config/i386/t-interix (winnt-stubs.o): Fix compilation rule.

From-SVN: r228258

	* config/sh/sh.c (gen_shl_and): Fix undefined left shift
	behaviour.
	(gen_shl_sext): Likewise.
	* config/sh/sh.md (divsi3): Likewise.
	(imm->ext_dest_operand splitter): Likewise.

From-SVN: r228257

This code is not used anymore after we removed the previous loop optimizer (not
based on the ISL scheduler.)  We will add back the detection of commutative
reductions after we improve the code generation of scalar dependences (by not
going out of SSA for scalar dependences just to expose them to the data
dependence graph.)

Patch passed bootstrap and check on x86_64-linux with ISL-0.15.

2015-09-29  Sebastian Pop  <s.pop@samsung.com>
            Aditya Kumar  <aditya.k7@samsung.com>

            * graphite-sese-to-poly.c (gsi_for_phi_node): Remove.
            (nb_data_writes_in_bb): Remove.
            (split_pbb): Remove.
            (split_reduction_stmt): Remove.
            (is_reduction_operation_p): Remove.
            (phi_contains_arg): Remove.
            (follow_ssa_with_commutative_ops): Remove.
            (detect_commutative_reduction_arg): Remove.
            (detect_commutative_reduction_assign): Remove.
            (follow_inital_value_to_phi): Remove.
            (edge_initial_value_for_loop_phi): Remove.
            (initial_value_for_loop_phi): Remove.
            (used_outside_reduction): Remove.
            (detect_commutative_reduction): Remove.
            (translate_scalar_reduction_to_array_for_stmt): Remove.
            (remove_phi): Remove.
            (dr_indices_valid_in_loop): Remove.
            (close_phi_written_to_memory): Remove.
            (translate_scalar_reduction_to_array): Remove.
            (rewrite_commutative_reductions_out_of_ssa_close_phi): Remove.
            (rewrite_commutative_reductions_out_of_ssa_loop): Remove.
            (rewrite_commutative_reductions_out_of_ssa): Remove.
            (build_poly_scop): Remove call to rewrite_commutative_reductions_out_of_ssa.

Co-Authored-By: Aditya Kumar <aditya.k7@samsung.com>

From-SVN: r228255

[PATCH] Fix undefined behaviour in rx port
        * config/rx/constraints.md (Int08): Fix undefined left shift
        behaviour.
        (Sint08, Sint16, Sint24): Likewise.
        * config/rx/rx.c (rx_get_stack_layout): Likewise.

From-SVN: r228254