From-SVN: r217536

2014-11-13  Daniel Kruegler  <daniel.kruegler@gmail.com>

	* include/bits/regex.h: Support embedded zeros in sub_match
	comparisons (DR 2217)
	* testsuite/28_regex/sub_match/embedded_zeros_cmp.cc:
	Add test cases for embedded zeros

From-SVN: r217535

	* timevar.def (TV_SCHED_FUSION): New time var.
	* passes.def (pass_sched_fusion): New pass.
	* config/arm/arm.c (TARGET_SCHED_FUSION_PRIORITY): New.
	(extract_base_offset_in_addr, fusion_load_store): New.
	(arm_sched_fusion_priority): New.
	(arm_option_override): Disable scheduling fusion by default
	on non-armv7 processors or ldrd/strd isn't preferred.
	* sched-int.h (struct _haifa_insn_data): New field.
	(INSN_FUSION_PRIORITY, FUSION_MAX_PRIORITY, sched_fusion): New.
	* sched-rgn.c (rest_of_handle_sched_fusion): New.
	(pass_data_sched_fusion, pass_sched_fusion): New.
	(make_pass_sched_fusion): New.
	* haifa-sched.c (sched_fusion): New.
	(insn_cost): Handle sched_fusion.
	(priority): Handle sched_fusion by calling target hook.
	(enum rfs_decision): New enum value.
	(rfs_str): New element for RFS_FUSION.
	(rank_for_schedule): Support sched_fusion.
	(schedule_insn, max_issue, prune_ready_list): Handle sched_fusion.
	(schedule_block, fix_tick_ready): Handle sched_fusion.
	* common.opt (flag_schedule_fusion): New.
	* tree-pass.h (make_pass_sched_fusion): New.
	* target.def (fusion_priority): New.
	* doc/tm.texi.in (TARGET_SCHED_FUSION_PRIORITY): New.
	* doc/tm.texi: Regenerated.
	* doc/invoke.texi (-fschedule-fusion): New.

	testsuite:
	* gcc.target/arm/ldrd-strd-pair-1.c: New test.
	* gcc.target/arm/vfp-1.c: Improve scanning string.

From-SVN: r217533

2014-11-13  Rong Xu  <xur@google.com>

gcc:
	PR debug/63581
	* cfgrtl.c (emit_barrier_after_bb): Append the barrier to the
 	footer, instead of unconditionally overwritten

gcc/testsuite:
	PR debug/63581
	* g++.dg/tree-prof/pr63581.C: New test.

From-SVN: r217530

2014-11-14  Martin Jambor  <mjambor@suse.cz>

	* cgraph.h (clear_outer_type): Make public.  Fix comment.
	* ipa-devirt.c (possible_polymorphic_call_targets): Use
	clear_outer_type when resetting the context.

From-SVN: r217529

From-SVN: r217528

2014-11-13  Dominique Dhumieres  <dominiq@lps.ens.fr>

	PR bootstrap/63853
gcc/
	* gcc.c (handle_foffload_option): Replace strchrnul with strchr.
	* lto-wrapper.c (parse_env_var, append_offload_options): Likewise.

From-SVN: r217524

From-SVN: r217523

From-SVN: r217518

	* intrinsics/access.c: Include <stdlib.h>.
	* intrinsics/chdir.c: Likewise.
	* intrinsics/chmod.c: Likewise.
	* intrinsics/link.c: Likewise.
	* intrinsics/perror.c: Likewise.
	* intrinsics/rename.c: Likewise.
	* intrinsics/symlnk.c: Likewise.
	* intrinsics/unlink.c: Likewise.

From-SVN: r217514

	* fold-const.c (const_binop): Remove code handling VEC_RSHIFT_EXPR.
	* tree-cfg.c (verify_gimple_assign_binary): Likewise.
	* tree-inline.c (estimate_operator_cost): Likewise.
	* tree-pretty-print.c (dump_generic_node, op_code_prio, op_symbol_code):
	Likewise.

	* tree-vect-generic.c (expand_vector_operations_1): Remove assertion
	against VEC_RSHIFT_EXPR.

	* optabs.h (expand_vec_shift_expr): Remove.
	* optabs.c (optab_for_tree_code): Remove case VEC_RSHIFT_EXPR.
	(expand_vec_shift_expr): Remove.
	* tree.def (VEC_RSHIFT_EXPR): Remove

From-SVN: r217510

[Vectorizer] Use a VEC_PERM_EXPR instead of VEC_RSHIFT_EXPR; expand appropriate VEC_PERM_EXPRs using vec_shr_optab

	* optabs.c (can_vec_perm_p): Update comment, does not consider vec_shr.
	(shift_amt_for_vec_perm_mask): New.
	(expand_vec_perm_1): Use vec_shr_optab if second vector is const0_rtx
	and mask appropriate.

	* tree-vect-loop.c (calc_vec_perm_mask_for_shift): New.
	(have_whole_vector_shift): New.
	(vect_model_reduction_cost): Call have_whole_vector_shift instead of
	looking for vec_shr_optab.
	(vect_create_epilog_for_reduction): Likewise; also rename local variable
	have_whole_vector_shift to reduce_with_shift; output VEC_PERM_EXPRs
	instead of VEC_RSHIFT_EXPRs.

	* tree-vect-stmts.c (vect_gen_perm_mask_checked): Extend comment.

From-SVN: r217509

	* tree-vectorizer.h (vect_gen_perm_mask): Remove.
	(vect_gen_perm_mask_checked, vect_gen_perm_mask_any): New.

	tree_vec_data_refs.c (vect_permute_load_chain, vec_permute_store_chain,
	vec_shift_permute_load_chain): Replace vect_gen_perm_mask & assert
	with vect_gen_perm_mask_checked.

	* tree-vect-stmts.c (vectorizable_mask_load_store, vectorizable_load):
	Likewise.

	(vect_gen_perm_mask_checked): New.
	(vect_gen_perm_mask): Remove can_vec_perm_p check, rename to...
	(vect_gen_perm_mask_any): ...this.

	(perm_mask_for_reverse): Call can_vec_perm_p and
	vect_gen_perm_mask_checked.

From-SVN: r217508

        * ipa-utils.h: Fix typo in comments.
        * ipa-profile.c: Likewise.
        * tree-ssa-loop-ivcanon.c: Fix typo in comments and debugging dump.

From-SVN: r217507

2014-11-13  Teresa Johnson  <tejohnson@google.com>

gcc:
	PR tree-optimization/63841
	* tree.c (initializer_zerop): A clobber does not zero initialize.

gcc/testsuite:
	PR tree-optimization/63841
	* g++.dg/tree-ssa/pr63841.C: New test.

From-SVN: r217505

optabs.c (prepare_operand): Gracefully fail if the mode of X does not match the operand mode expected by...

	* optabs.c (prepare_operand): Gracefully fail if the mode of X
	does not match the operand mode expected by the insn pattern.

From-SVN: r217501

libgomp/
	* Makefile.in: Regenerate.
	* configure: Regenerate.
	* configure.ac: Set up offload_additional_options,
	offload_additional_lib_paths and offload_targets.
	* testsuite/Makefile.am: Export environment variables: OFFLOAD_TARGETS,
	OFFLOAD_ADDITIONAL_OPTIONS, OFFLOAD_ADDITIONAL_LIB_PATHS.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/lib/libgomp.exp (libgomp_init): Append
	offload_additional_lib_paths to LD_LIBRARY_PATH.  Append
	offload_additional_options to ALWAYS_CFLAGS.  Append liboffloadmic
	build directory to LD_LIBRARY_PATH for intelmic offload targets.

Co-Authored-By: Ilya Verbin <ilya.verbin@intel.com>

From-SVN: r217500

liboffloadmic/
	* Makefile.in: Regenerate.
	* configure: Regenerate.
	* configure.ac: Add subdirectory 'plugin'.
	* plugin/Makefile.am: New file.
	* plugin/Makefile.in: New file, generated by automake.
	* plugin/aclocal.m4: New file, generated by aclocal.
	* plugin/configure: New file, generated by autoconf.
	* plugin/configure.ac: New file.
	* plugin/libgomp-plugin-intelmic.cpp: New file.
	* plugin/offload_target_main.cpp: New file.

Co-Authored-By: Andrey Turetskiy <andrey.turetskiy@intel.com>

From-SVN: r217499

	* Makefile.def: Add liboffloadmic to target_modules.  Make
	liboffloadmic depend on libgomp's configure, libstdc++ and libgcc.
	* Makefile.in: Regenerate.
	* configure: Regenerate.
	* configure.ac: Add liboffloadmic to target binaries.
	Restrict liboffloadmic for POSIX and i*86, and x86_64 architectures.
	Add liboffloadmic to noconfig list when C++ is not supported.

config/
	* target-posix: New file.

libcilkrts/
	* configure.tgt: Use config/target-posix.

liboffloadmic/
	Initial commit.  Imported from upstream:
	https://www.openmprtl.org/sites/default/files/liboffload_oss.tgz
	* Makefile.am: New file.
	* Makefile.in: New file, generated by automake.
	* aclocal.m4: New file, generated by aclocal.
	* configure: New file, generated by autoconf.
	* configure.ac: New file.
	* configure.tgt: Ditto.
	* doc/doxygen/config: Ditto.
	* doc/doxygen/header.tex: Ditto.
	* include/coi/common/COIEngine_common.h: Ditto.
	* include/coi/common/COIMacros_common.h: Ditto.
	* include/coi/common/COIPerf_common.h : Ditto.
	* include/coi/common/COIResult_common.h : Ditto.
	* include/coi/common/COITypes_common.h: Ditto.
	* include/coi/sink/COIBuffer_sink.h: Ditto.
	* include/coi/sink/COIPipeline_sink.h: Ditto.
	* include/coi/sink/COIProcess_sink.h: Ditto.
	* include/coi/source/COIBuffer_source.h: Ditto.
	* include/coi/source/COIEngine_source.h: Ditto.
	* include/coi/source/COIEvent_source.h: Ditto.
	* include/coi/source/COIPipeline_source.h: Ditto.
	* include/coi/source/COIProcess_source.h: Ditto.
	* include/myo/myo.h: Ditto.
	* include/myo/myoimpl.h: Ditto.
	* include/myo/myotypes.h: Ditto.
	* liboffloadmic_host.spec.in: Ditto.
	* liboffloadmic_target.spec.in: Ditto.
	* runtime/cean_util.cpp: Ditto.
	* runtime/cean_util.h: Ditto.
	* runtime/coi/coi_client.cpp: Ditto.
	* runtime/coi/coi_client.h: Ditto.
	* runtime/coi/coi_server.cpp: Ditto.
	* runtime/coi/coi_server.h: Ditto.
	* runtime/compiler_if_host.cpp: Ditto.
	* runtime/compiler_if_host.h: Ditto.
	* runtime/compiler_if_target.cpp: Ditto.
	* runtime/compiler_if_target.h: Ditto.
	* runtime/dv_util.cpp: Ditto.
	* runtime/dv_util.h: Ditto.
	* runtime/emulator/coi_common.h: Ditto.
	* runtime/emulator/coi_device.cpp: Ditto.
	* runtime/emulator/coi_device.h: Ditto.
	* runtime/emulator/coi_host.cpp: Ditto.
	* runtime/emulator/coi_host.h: Ditto.
	* runtime/emulator/coi_version_asm.h: Ditto.
	* runtime/emulator/coi_version_linker_script.map: Ditto.
	* runtime/emulator/myo_client.cpp: Ditto.
	* runtime/emulator/myo_service.cpp: Ditto.
	* runtime/emulator/myo_service.h: Ditto.
	* runtime/emulator/myo_version_asm.h: Ditto.
	* runtime/emulator/myo_version_linker_script.map: Ditto.
	* runtime/liboffload_error.c: Ditto.
	* runtime/liboffload_error_codes.h: Ditto.
	* runtime/liboffload_msg.c: Ditto.
	* runtime/liboffload_msg.h: Ditto.
	* runtime/mic_lib.f90: Ditto.
	* runtime/offload.h: Ditto.
	* runtime/offload_common.cpp: Ditto.
	* runtime/offload_common.h: Ditto.
	* runtime/offload_engine.cpp: Ditto.
	* runtime/offload_engine.h: Ditto.
	* runtime/offload_env.cpp: Ditto.
	* runtime/offload_env.h: Ditto.
	* runtime/offload_host.cpp: Ditto.
	* runtime/offload_host.h: Ditto.
	* runtime/offload_myo_host.cpp: Ditto.
	* runtime/offload_myo_host.h: Ditto.
	* runtime/offload_myo_target.cpp: Ditto.
	* runtime/offload_myo_target.h: Ditto.
	* runtime/offload_omp_host.cpp: Ditto.
	* runtime/offload_omp_target.cpp: Ditto.
	* runtime/offload_orsl.cpp: Ditto.
	* runtime/offload_orsl.h: Ditto.
	* runtime/offload_table.cpp: Ditto.
	* runtime/offload_table.h: Ditto.
	* runtime/offload_target.cpp: Ditto.
	* runtime/offload_target.h: Ditto.
	* runtime/offload_target_main.cpp: Ditto.
	* runtime/offload_timer.h: Ditto.
	* runtime/offload_timer_host.cpp: Ditto.
	* runtime/offload_timer_target.cpp: Ditto.
	* runtime/offload_trace.cpp: Ditto.
	* runtime/offload_trace.h: Ditto.
	* runtime/offload_util.cpp: Ditto.
	* runtime/offload_util.h: Ditto.
	* runtime/ofldbegin.cpp: Ditto.
	* runtime/ofldend.cpp: Ditto.
	* runtime/orsl-lite/include/orsl-lite.h: Ditto.
	* runtime/orsl-lite/lib/orsl-lite.c: Ditto.
	* runtime/orsl-lite/version.txt: Ditto.
	* runtime/use_mpss2.txt: Ditto.

From-SVN: r217498

2014-11-13  Richard Biener  <rguenther@suse.de>

	* match.pd: Add tcc_comparison, inverted_tcc_comparison
	and inverted_tcc_comparison_with_nans operator lists.
	Use tcc_comparison in the truth_valued_p predicate definition.
	Restrict logical_inverted_value with bit_xor to integral types.
	Build a boolean true for simplifying x |^ !x because of
	vector types.  Implement patterns from forward_propagate_comparison
	* tree-ssa-forwprop.c (forward_propagate_comparison): Remove.
	(get_prop_dest_stmt): Likewise.
	(pass_forwprop::execute): Do not call it.
	* fold-const.c (fold_unary_loc): Remove the pattern here.

	* gcc.dg/tree-ssa/forwprop-28.c: Adjust.

From-SVN: r217496

gcc/
	* config.gcc (*-intelmic-* | *-intelmicemul-*): Add i386/t-intelmic to
	tmake_file.
	(i[34567]86-*-* | x86_64-*-*): Build mkoffload$(exeext) with the
	accelerator compiler.
	* config/i386/intelmic-mkoffload.c: New file.
	* config/i386/t-intelmic: Ditto.

Co-Authored-By: Andrey Turetskiy <andrey.turetskiy@intel.com>

From-SVN: r217495

libgomp/
	* testsuite/lib/libgomp.exp
	(check_effective_target_offload_device): New.
	* testsuite/libgomp.c++/c++.exp: Include tests from subdirectories.
	* testsuite/libgomp.c++/examples-4/e.51.5.C: New test.
	* testsuite/libgomp.c++/examples-4/e.53.2.C: Ditto.
	* testsuite/libgomp.c/examples-4/e.50.1.c: Ditto.
	* testsuite/libgomp.c/examples-4/e.50.2.c: Ditto.
	* testsuite/libgomp.c/examples-4/e.50.3.c: Ditto.
	* testsuite/libgomp.c/examples-4/e.50.4.c: Ditto.
	* testsuite/libgomp.c/examples-4/e.50.5.c: Ditto.
	* testsuite/libgomp.c/examples-4/e.51.1.c: Ditto.
	* testsuite/libgomp.c/examples-4/e.51.2.c: Ditto.
	* testsuite/libgomp.c/examples-4/e.51.3.c: Ditto.
	* testsuite/libgomp.c/examples-4/e.51.4.c: Ditto.
	* testsuite/libgomp.c/examples-4/e.51.6.c: Ditto.
	* testsuite/libgomp.c/examples-4/e.51.7.c: Ditto.
	* testsuite/libgomp.c/examples-4/e.52.1.c: Ditto.
	* testsuite/libgomp.c/examples-4/e.52.2.c: Ditto.
	* testsuite/libgomp.c/examples-4/e.53.1.c: Ditto.
	* testsuite/libgomp.c/examples-4/e.53.3.c: Ditto.
	* testsuite/libgomp.c/examples-4/e.53.4.c: Ditto.
	* testsuite/libgomp.c/examples-4/e.53.5.c: Ditto.
	* testsuite/libgomp.c/examples-4/e.54.2.c: Ditto.
	* testsuite/libgomp.c/examples-4/e.54.3.c: Ditto.
	* testsuite/libgomp.c/examples-4/e.54.4.c: Ditto.
	* testsuite/libgomp.c/examples-4/e.54.5.c: Ditto.
	* testsuite/libgomp.c/examples-4/e.54.6.c: Ditto.
	* testsuite/libgomp.c/examples-4/e.55.1.c: Ditto.
	* testsuite/libgomp.c/examples-4/e.55.2.c: Ditto.
	* testsuite/libgomp.c/examples-4/e.56.3.c: Ditto.
	* testsuite/libgomp.c/examples-4/e.56.4.c: Ditto.
	* testsuite/libgomp.c/examples-4/e.57.1.c: Ditto.
	* testsuite/libgomp.c/examples-4/e.57.2.c: Ditto.
	* testsuite/libgomp.c/examples-4/e.57.3.c: Ditto.
	* testsuite/libgomp.c/target-7.c: Fix test.
	* testsuite/libgomp.fortran/examples-4/e.50.1.f90: New test.
	* testsuite/libgomp.fortran/examples-4/e.50.2.f90: Ditto.
	* testsuite/libgomp.fortran/examples-4/e.50.3.f90: Ditto.
	* testsuite/libgomp.fortran/examples-4/e.50.4.f90: Ditto.
	* testsuite/libgomp.fortran/examples-4/e.50.5.f90: Ditto.
	* testsuite/libgomp.fortran/examples-4/e.51.1.f90: Ditto.
	* testsuite/libgomp.fortran/examples-4/e.51.2.f90: Ditto.
	* testsuite/libgomp.fortran/examples-4/e.51.3.f90: Ditto.
	* testsuite/libgomp.fortran/examples-4/e.51.4.f90: Ditto.
	* testsuite/libgomp.fortran/examples-4/e.51.5.f90: Ditto.
	* testsuite/libgomp.fortran/examples-4/e.51.6.f90: Ditto.
	* testsuite/libgomp.fortran/examples-4/e.51.7.f90: Ditto.
	* testsuite/libgomp.fortran/examples-4/e.52.1.f90: Ditto.
	* testsuite/libgomp.fortran/examples-4/e.52.2.f90: Ditto.
	* testsuite/libgomp.fortran/examples-4/e.53.1.f90: Ditto.
	* testsuite/libgomp.fortran/examples-4/e.53.2.f90: Ditto.
	* testsuite/libgomp.fortran/examples-4/e.53.3.f90: Ditto.
	* testsuite/libgomp.fortran/examples-4/e.53.4.f90: Ditto.
	* testsuite/libgomp.fortran/examples-4/e.53.5.f90: Ditto.
	* testsuite/libgomp.fortran/examples-4/e.54.2.f90: Ditto.
	* testsuite/libgomp.fortran/examples-4/e.54.3.f90: Ditto.
	* testsuite/libgomp.fortran/examples-4/e.54.4.f90: Ditto.
	* testsuite/libgomp.fortran/examples-4/e.54.5.f90: Ditto.
	* testsuite/libgomp.fortran/examples-4/e.54.6.f90: Ditto.
	* testsuite/libgomp.fortran/examples-4/e.55.1.f90: Ditto.
	* testsuite/libgomp.fortran/examples-4/e.55.2.f90: Ditto.
	* testsuite/libgomp.fortran/examples-4/e.56.3.f90: Ditto.
	* testsuite/libgomp.fortran/examples-4/e.56.4.f90: Ditto.
	* testsuite/libgomp.fortran/examples-4/e.57.1.f90: Ditto.
	* testsuite/libgomp.fortran/examples-4/e.57.2.f90: Ditto.
	* testsuite/libgomp.fortran/examples-4/e.57.3.f90: Ditto.

Co-Authored-By: Ilya Tocar <ilya.tocar@intel.com>
Co-Authored-By: Ilya Verbin <ilya.verbin@intel.com>
Co-Authored-By: Kirill Yukhin <kirill.yukhin@intel.com>

From-SVN: r217494

gcc/
	* common.opt (foffload, foffload-abi): New options.
	* config/i386/i386.c (ix86_offload_options): New static function.
	(TARGET_OFFLOAD_OPTIONS): Define.
	* coretypes.h (enum offload_abi): New enum.
	* doc/tm.texi: Regenerate.
	* doc/tm.texi.in (TARGET_OFFLOAD_OPTIONS): Document.
	* gcc.c (offload_targets): New static variable.
	(handle_foffload_option): New static function.
	(driver_handle_option): Handle OPT_foffload_.
	(driver::maybe_putenv_OFFLOAD_TARGETS): Set OFFLOAD_TARGET_NAMES
	according to offload_targets.
	* hooks.c (hook_charptr_void_null): New hook.
	* hooks.h (hook_charptr_void_null): Declare.
	* lto-opts.c: Include lto-section-names.h.
	(lto_write_options): Append options from target offload_options hook and
	store them to offload_lto section.  Do not store target-specific,
	driver and diagnostic options in offload_lto section.
	* lto-wrapper.c (merge_and_complain): Handle OPT_foffload_ and
	OPT_foffload_abi_.
	(append_compiler_options, append_linker_options)
	(append_offload_options): New static functions.
	(compile_offload_image): Add new arguments with options.
	Call append_compiler_options and append_offload_options.
	(compile_images_for_offload_targets): Add new arguments with options.
	(find_and_merge_options): New static function.
	(run_gcc): Outline options handling into the new functions:
	find_and_merge_options, append_compiler_options, append_linker_options.
	* opts.c (common_handle_option): Don't handle OPT_foffload_.
	Forbid OPT_foffload_abi_ for non-offload compiler.
	* target.def (offload_options): New target hook.

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

From-SVN: r217493

libgomp/
	* libgomp.map (GOMP_4.0.1): New symbol version.
	Add GOMP_offload_register.
	* libgomp_target.h: New file.
	* splay-tree.h: New file.
	* target.c: Include config.h, libgomp_target.h, dlfcn.h, splay-tree.h.
	(gomp_target_init): New forward declaration.
	(gomp_is_initialized): New static variable.
	(splay_tree_node, splay_tree, splay_tree_key): New typedefs.
	(struct target_mem_desc, struct splay_tree_key_s, offload_image_descr):
	New structures.
	(offload_images, num_offload_images, devices, num_devices): New static
	variables.
	(splay_compare): New static function.
	(struct gomp_device_descr): New structure.
	(gomp_get_num_devices): Call gomp_target_init.
	(resolve_device, gomp_map_vars_existing, gomp_map_vars, gomp_unmap_tgt)
	(gomp_unmap_vars, gomp_update, gomp_init_device): New static functions.
	(GOMP_offload_register): New function.
	(GOMP_target): Arrange for host callback to be performed in a separate
	initial thread and contention group, inheriting ICVs from
	gomp_global_icv etc.  Call gomp_map_vars and gomp_unmap_vars.
	Add device initialization and lookup for target function in splay tree.
	(GOMP_target_data): Add device initialization and call gomp_map_vars.
	(GOMP_target_end_data): Call gomp_unmap_vars.
	(GOMP_target_update): Add device initialization and call gomp_update.
	(gomp_load_plugin_for_device, gomp_register_images_for_device)
	(gomp_target_init): New static functions.

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

From-SVN: r217492

gcc/
	* gcc.c (spec_host_machine, accel_dir_suffix): New variables.
	(process_command): Tweak path construction for the possibility
	of being configured as an offload compiler.
	(driver::maybe_putenv_OFFLOAD_TARGETS): New function.
	(driver::main): Call maybe_putenv_OFFLOAD_TARGETS.
	(driver::set_up_specs): Tweak path construction for the possibility of
	being configured as an offload compiler.
	* lto-wrapper.c (OFFLOAD_TARGET_NAMES_ENV): Define.
	(offload_names, offloadbegin, offloadend): New static variables.
	(free_array_of_ptrs, parse_env_var, access_check, compile_offload_image)
	(compile_images_for_offload_targets, copy_file, find_offloadbeginend):
	New static functions.
	(run_gcc): Determine whether offload sections are present.  If so, run
	compile_images_for_offload_targets and return the names of new generated
	objects to linker.  If there are offload sections, but no LTO sections,
	then return the copies of input objects without link-time recompilation.

lto-plugin/
	* lto-plugin.c (OFFLOAD_SECTION, OFFLOAD_SECTION_LEN): Define.
	(struct plugin_objfile): Add new field "offload".
	(process_offload_section): New static function.
	(claim_file_handler): Claim file if it contains offload sections.

Co-Authored-By: Andrey Turetskiy <andrey.turetskiy@intel.com>
Co-Authored-By: Bernd Schmidt <bernds@codesourcery.com>
Co-Authored-By: Michael Zolotukhin <michael.v.zolotukhin@intel.com>

From-SVN: r217491

gcc/
	* Makefile.in (GTFILES): Add omp-low.h to list of GC files.
	* cgraphunit.c: Include omp-low.h.
	* doc/tm.texi: Regenerate.
	* doc/tm.texi.in (TARGET_RECORD_OFFLOAD_SYMBOL): Document.
	* gengtype.c (open_base_files): Add omp-low.h to ifiles.
	* lto-cgraph.c (output_offload_tables): New function.
	(input_offload_tables): Likewise.
	* lto-section-in.c (lto_section_name): Add "offload_table".
	* lto-section-names.h (OFFLOAD_VAR_TABLE_SECTION_NAME): Define.
	(OFFLOAD_FUNC_TABLE_SECTION_NAME): Likewise.
	* lto-streamer-out.c (lto_output): Call output_offload_tables.
	* lto-streamer.h (lto_section_type): Add LTO_section_offload_table.
	(output_offload_tables, input_offload_tables): Declare.
	* omp-low.c: Include common/common-target.h and lto-section-names.h.
	(offload_funcs, offload_vars): New global <tree, va_gc> vectors.
	(expand_omp_target): Add child_fn into offload_funcs vector.
	(add_decls_addresses_to_decl_constructor): New function.
	(omp_finish_file): Likewise.
	* omp-low.h (omp_finish_file, offload_funcs, offload_vars): Declare.
	* target.def (record_offload_symbol): New DEFHOOK.
	* toplev.c: Include omp-low.h.
	(compile_file): Call omp_finish_file.
	* varpool.c: Include omp-low.h.
	(varpool_node::get_create): Add decl into offload_vars vector.

gcc/lto/
	* lto/lto.c (read_cgraph_and_symbols): Call input_offload_tables.

Co-Authored-By: Andrey Turetskiy <andrey.turetskiy@intel.com>
Co-Authored-By: Bernd Schmidt <bernds@codesourcery.com>
Co-Authored-By: Ilya Tocar <ilya.tocar@intel.com>
Co-Authored-By: Michael Zolotukhin <michael.v.zolotukhin@intel.com>

From-SVN: r217489

2014-11-13  Richard Biener  <rguenther@suse.de>

	* genmatch.c (dt_node::gen_kids): Fix placement of break statement.

From-SVN: r217487

gcc/
	* cgraph.c: Include context.h.
	(cgraph_node::create): Set node->offloadable and g->have_offload if
	decl have "omp declare target" attribute.
	* cgraph.h (symtab_node): Add need_lto_streaming and offloadable flags.
	* cgraphunit.c: Include lto-section-names.h.
	(ipa_passes): Call ipa_write_summaries if there is something to write to
	OFFLOAD_SECTION_NAME_PREFIX sections.
	(symbol_table::compile): Set flag_generate_lto if there is something to
	offload.
	Replace flag_lto with flag_generate_lto before lto_streamer_hooks_init.
	* context.c (gcc::context::context): Initialize have_offload with false.
	* context.h (class context): Add have_offload flag.
	* ipa-inline-analysis.c (inline_generate_summary): Do not exit under
	flag_generate_lto.
	(inline_free_summary): Always remove hooks.
	* lto-cgraph.c (referenced_from_other_partition_p): Ignore references
	from non-offloadable nodes while streaming a node into offload section.
	(reachable_from_other_partition_p): Likewise.
	(select_what_to_stream): New function.
	(compute_ltrans_boundary): Do not call
	lto_set_symtab_encoder_in_partition if the node should not be streamed.
	* lto-section-names.h (OFFLOAD_SECTION_NAME_PREFIX): Define.
	(section_name_prefix): Declare.
	* lto-streamer.c (section_name_prefix): New variable.
	(lto_get_section_name): Use section_name_prefix instead of
	LTO_SECTION_NAME_PREFIX.
	* lto-streamer.h (select_what_to_stream): Declare.
	* omp-low.c: Include context.h.
	(is_targetreg_ctx): New function.
	(scan_sharing_clauses): Use offloadable flag, instead of an attribute.
	(create_omp_child_function, check_omp_nesting_restrictions): Use new
	is_targetreg_ctx function.  Replace usage of "omp declare target"
	attribute with a cgraph_node flag offloadable.
	(expand_omp_target): Set mark_force_output for offloadable functions.
	(lower_omp_critical): Set offloadable flag for omp critical symbol.
	* passes.c (ipa_write_summaries): New argument offload_lto_mode.  Call
	select_what_to_stream.  Do not call lto_set_symtab_encoder_in_partition
	if the node should not be streamed out.
	* tree-pass.h (ipa_write_summaries): New bool argument.
	* varpool.c: Include context.h.
	(varpool_node::get_create): Set node->offloadable and g->have_offload if
	decl have "omp declare target" attribute.

gcc/lto/
	* lto-object.c (lto_obj_add_section): Use section_name_prefix instead of
	LTO_SECTION_NAME_PREFIX.
	* lto-partition.c (lto_promote_cross_file_statics): Call
	select_what_to_stream.
	* lto.c (lto_section_with_id): Use section_name_prefix instead of
	LTO_SECTION_NAME_PREFIX.
	(read_cgraph_and_symbols): Read OFFLOAD_SECTION_NAME_PREFIX sections, if
	being built as an offload compiler.

Co-Authored-By: Andrey Turetskiy <andrey.turetskiy@intel.com>
Co-Authored-By: Bernd Schmidt <bernds@codesourcery.com>
Co-Authored-By: Michael Zolotukhin <michael.v.zolotukhin@intel.com>

From-SVN: r217486

	* configure: Regenerate.
	* configure.ac (--enable-as-accelerator-for)
	(--enable-offload-targets): New configure options.
gcc/
	* Makefile.in (real_target_noncanonical, accel_dir_suffix)
	(enable_as_accelerator): New variables substituted by configure.
	(libsubdir, libexecsubdir, unlibsubdir): Tweak for the possibility of
	being configured as an offload compiler.
	(DRIVER_DEFINES): Pass new defines DEFAULT_REAL_TARGET_MACHINE and
	ACCEL_DIR_SUFFIX.
	(install-cpp, install-common, install_driver, install-gcc-ar): Do not
	install for the offload compiler.
	* config.in: Regenerate.
	* configure: Regenerate.
	* configure.ac (real_target_noncanonical, accel_dir_suffix)
	(enable_as_accelerator): Compute new variables.
	(ACCEL_COMPILER): Define if the compiler is built as the accel compiler.
	(OFFLOAD_TARGETS): List of target names suitable for offloading.
	(ENABLE_OFFLOADING): Define if list of offload targets is not empty.
gcc/cp/
	* Make-lang.in (c++.install-common): Do not install for the offload
	compiler.
gcc/doc/
	* install.texi (Options specification): Document
	--enable-as-accelerator-for and --enable-offload-targets.
gcc/fortran/
	* Make-lang.in (fortran.install-common): Do not install for the offload
	compiler.
libgcc/
	* Makefile.in (crtoffloadbegin$(objext)): New rule.
	(crtoffloadend$(objext)): Likewise.
	* configure: Regenerate.
	* configure.ac (accel_dir_suffix): Compute new variable.
	(extra_parts): Add crtoffloadbegin.o and crtoffloadend.o
	if enable_offload_targets is not empty.
	* offloadstuff.c: New file.
libgomp/
	* config.h.in: Regenerate.
	* configure: Regenerate.
	* configure.ac: Check for libdl, required for plugin support.
	(PLUGIN_SUPPORT): Define if plugins are supported.
	(enable_offload_targets): Support Intel MIC targets.
	(OFFLOAD_TARGETS): List of target names suitable for offloading.
lto-plugin/
	* Makefile.am (libexecsubdir): Tweak for the possibility of being
	configured for offload compiler.
	(accel_dir_suffix, real_target_noncanonical): New variables substituted
	by configure.
	* Makefile.in: Regenerate.
	* configure: Regenerate.
	* configure.ac (accel_dir_suffix, real_target_noncanonical): Compute new
	variables.


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

From-SVN: r217485

	PR tree-optimization/63828
	* ipa-polymorphic-call.c (possible_placement_new): Check
	POINTER_SIZE, instead of BITS_PER_WORD, for pointer size.

From-SVN: r217483

2014-11-13  Janne Blomqvist  <jb@gcc.gnu.org>

	PR libfortran/60324
	* configure: Regenerated.
	* configure.ac (AM_CFLAGS): Add Werror=vla.
	* libgfortran.h (gfc_alloca): Remove macro.
	(fc_strdup_notrim): New prototype.
	* intrinsics/access.c (access_func): Use fc_strdup rather than
	stack allocation.
	* intrinsics/chdir.c (chdir_i4_sub): Likewise.
	(chdir_i8_sub): Likewise.
	* intrinsics/chmod.c (chmod_internal): New function, move logic
	here.
	(chmod_func): Call chmod_internal.
	* intrinsics/env.c (getenv): Use fc_strdup rather than stack
	allocation.
	(get_environment_variable_i4): Likewise.
	* intrinsics/execute_command_line.c (execute_command_line):
	Likewise.
	* intrinsics/hostnm.c (hostnm_0): New function, use static buffer
	rather than VLA.
	(hostnm_i4_sub): Call hostnm_0.
	(hostnm_i8_sub): Likewise.
	(hostnm): Likewise.
	* intrinsics/link.c (link_internal): New function, use fc_strdup
	rather than stack allocation.
	(link_i4_sub): Call link_internal.
	(link_i8_sub): Likewise.
	(link_i4): Likewise.
	(link_i8): Likewise.
	* intrinsics/perror.c (perror_sub): Use fc_strdup rather than
	stack allocation.
	* intrinsics/random.c (random_seed_i4): Use static buffer rather
	than VLA, use _Static_assert to make sure it's big enough.
	* intrinsics/rename.c (rename_internal): New function, use
	fc_strdup rather than stack allocation.
	(rename_i4_sub): Call rename_internal.
	(rename_i8_sub): Likewise.
	(rename_i4): Likewise.
	(rename_i8): Likewise.
	* intrinsics/stat.c (stat_i4_sub_0): Use fc_strdup rather than
	stack allocation.
	(stat_i8_sub_0): Likewise.
	* intrinsics/symlink.c (symlnk_internal): New function, use
	fc_strdup rather than stack allocation.
	(symlnk_i4_sub): Call symlnk_internal.
	(symlnk_i8_sub): Likewise.
	(symlnk_i4): Likewise.
	(symlnk_i8): Likewise.
	* intrinsics/system.c (system_sub): Use fc_strdup rather than
	stack allocation.
	* intrinsics/unlink.c (unlink_i4_sub): Likewise.
	* io/file_pos.c (READ_CHUNK): Make it a macro rather than variable.
	* io/list_read.c (nml_get_obj_data): Use fixed stack buffer, fall
	back to xmalloc/free for large sizes.
	* io/read.c (read_f): Likewise.
	* io/transfer.c (MAX_READ): Make it a macro rather than variable.
	(WRITE_CHUNK): Likewise.
	* io/write_float.def (write_float): Use fixed stack buffer, fall
	back to xmalloc/free for large sizes.
	* runtime/string.c (fc_strdup_notrim): New function.

From-SVN: r217480

	* doc/tm.texi.in (SELECT_CC_MODE): Update example.
	(REVERSIBLE_CC_MODE): Fix example.
	(REVERSE_CONDITION): Fix typo.
	* doc/tm.texi: Regenerate.

From-SVN: r217476

2014-11-13  Tom de Vries  <tom@codesourcery.com>

	* omp-low.c (pass_data_expand_omp): Set properties_provided to
	PROP_gimple_eomp.
	(pass_expand_omp::gate): Remove function.  Move gate expression to ...
	(pass_expand_omp::execute): ... here, as new variable gate.  Add early
	exit if gate is false.
	(pass_data pass_data_expand_omp_ssa): New pass_data.
	(class pass_expand_omp_ssa): New pass.
	(make_pass_expand_omp_ssa): New function.
	* passes.def (pass_parallelize_loops): Use PUSH_INSERT_PASSES_WITHIN
	instead of NEXT_PASS.
	(pass_expand_omp_ssa): Add after pass_parallelize_loops.
	* tree-parloops.c (gen_parallel_loop): Remove call to omp_expand_local.
	(pass_parallelize_loops::execute): Don't do cleanups TODO_cleanup_cfg
	and TODO_rebuild_alias yet.  Add TODO_update_ssa.  Set
	cfun->omp_expand_needed.
	* tree-pass.h: Add define PROP_gimple_eomp.
	(make_pass_expand_omp_ssa): Declare.

From-SVN: r217474

	* include/line-map.h: Include EXPR, so that unused variable warnings
	do not occur.

From-SVN: r217473

	* configure.ac (libcc1_cv_lib_sockets): Check for -lsocket -lnsl.
	* configure: Regenerate.
	* connection.cc: Include <string.h>.
        * libcc1.cc (libcc1_compile): Use AF_UNIX instead of AF_LOCAL.

From-SVN: r217471

	* tree.h (TYPE_OVERFLOW_SANITIZED): Define.
	* fold-const.c (fold_binary_loc): Use it.
	* match.pd: Likewise.

From-SVN: r217470

2014-11-13  Kai Tietz  <ktietz@redhat.com>

	* cp-tree.h (cp_build_function_call): Remove prototype.
	(cp_build_addr_expr_strict): Likewise.
	(build_typed_address): Likewise.
	* typeck.c (build_typed_address): Removed.
	(cp_build_addr_expr_strict): Make static.
	(cp_build_function_call): Likewise.

From-SVN: r217469

gcc/
	* gcc/lra-lives.c (struct bb_data): Rename to ...
	(struct bb_data_pseudos): ... this.
	(initiate_live_solver): Update struct name.

From-SVN: r217468

gcc/testsuite/
	* lib/target-supports.exp (error_h): New check.
	(libc_has_complex_functions): Ditto.
	(tgmath_h): Ditto.
	* gcc.dg/builtins-59.c: Add libc_has_complex_functions check.
	* gcc.dg/builtins-61.c: Likewise.
	* gcc.dg/builtins-67.c: Disable test for Bionic.
	* gcc.dg/strlenopt-14g.c: Likewise.
	* gcc.dg/strlenopt-14gf.c: Likewise.
	* gcc.dg/c99-tgmath-1.c: Add tgmath_h check.
	* gcc.dg/c99-tgmath-2.c: Likewise.
	* gcc.dg/c99-tgmath-3.c: Likewise.
	* gcc.dg/c99-tgmath-4.c: Likewise.
	* gcc.dg/dfp/convert-dfp-round-thread.c: Add error_h check.

From-SVN: r217467

2014-11-13  Richard Biener  <rguenther@suse.de>

	* match.pd: Implement conditional expression patterns.
	* tree-ssa-forwprop.c (forward_propagate_into_cond): Remove
	them here.
	(combine_cond_exprs): Remove.
	(pass_forwprop::execute): Do not call combine_cond_exprs.
	* fold-const.c (fold_ternary_loc): Remove patterns here.
	(pedantic_omit_one_operand_loc): Remove.

From-SVN: r217465