path: root/gcc/ChangeLog.gomp

2017-05-01  Cesar Philippidis  <cesar@codesourcery.com>

	* omp-low.c (verify_oacc_routine_clauses): Emit a warning when the
	user doesn't supply a gang, worker, vector or seq clause to an
	OpenACC routine construct.

2017-04-24  Cesar Philippidis  <cesar@codesourcery.com>

	* omp-low.c (lower_omp_target): Don't privatize firstprivate VLAs.

2017-04-19  Cesar Philippidis  <cesar@codesourcery.com>

	* omp-low.c (convert_to_firstprivate_int): Handle pointer types.
	(convert_from_firstprivate_int): Likewise.  Create local storage for
	the values being pointed too.  Add new argument orig_type.
	(lower_omp_target): Allow pointer types with GOMP_MAP_FIRSTPRIVATE_INT.

2017-04-13  Chung-Lin Tang  <cltang@codesourcery.com>

	* gimplify.c (gimplify_oacc_declare_1): Remove GOMP_MAP_FORCE_* cases.

2017-04-07  Thomas Schwinge  <thomas@codesourcery.com>

	* tree-core.h (enum omp_clause_default_kind): Add
	"OMP_CLAUSE_DEFAULT_PRESENT".
	* tree-pretty-print.c (dump_omp_clause): Handle it.
	* gimplify.c (enum gimplify_omp_var_data): Add
	"GOVD_MAP_FORCE_PRESENT".
	(gimplify_adjust_omp_clauses_1): Map it to
	"GOMP_MAP_FORCE_PRESENT".
	(omp_default_clause, oacc_default_clause): Handle
	"OMP_CLAUSE_DEFAULT_PRESENT".

	* gimplify.c (oacc_default_clause): Clarify.

2017-04-05  Cesar Philippidis  <cesar@codesourcery.com>

	* omp-low.c (scan_sharing_clauses): Update handling of OpenACC declare
	create, copyin and deviceptr to have local lifetimes.
	(lower_omp_target): Handle GOMP_MAP_DECLARE_{ALLOCATE,DEALLOCATE}.
	* tree-pretty-print.c (dump_omp_clause): Likewise.

2017-03-15  Cesar Philippidis  <cesar@codesourcery.com>

	Backport from trunk:
	2016-11-10  Jakub Jelinek  <jakub@redhat.com>

	* omp-low.c (lower_omp_target): Fix up argument to is_reference.
	(expand_omp_ordered_sink): Handle TREE_PURPOSE of deps being
	TRUNC_DIV_EXPR.
	* gimplify.c (gimplify_scan_omp_clauses): Likewise.  Set
	ctx->target_map_scalars_firstprivate on OMP_TARGET even for Fortran.
	Remove omp_no_lastprivate callers.  Propagate lastprivate on combined
	teams distribute parallel for simd even to distribute and teams
	construct.  For OMP_CLAUSE_DEPEND add missing break at the end of
	OMP_CLAUSE_DEPEND_SINK case.
	(omp_notice_variable): Use lang_hooks.decls.omp_scalar_p.
	(omp_no_lastprivate): Removed.
	(gimplify_adjust_omp_clauses): Remove omp_no_lastprivate callers.
	(gimplify_omp_for): Likewise.
	(computable_teams_clause): Fail for automatic vars from current
	function not yet seen in bind expr.
	* langhooks.c (lhd_omp_scalar_p): New function.
	* langhooks.h (struct lang_hooks_for_decls): Add omp_scalar_p.
	* varpool.c (varpool_node::get_create): Set node->offloading
	even for DECL_EXTERNAL decls.
	* langhooks-def.h (lhd_omp_scalar_p): New prototype.
	(LANG_HOOKS_OMP_SCALAR_P): Define.
	(LANG_HOOKS_DECLS): Use it.

2017-02-28  Thomas Schwinge  <thomas@codesourcery.com>

	Backport from trunk r245769:
	2017-02-28  Thomas Schwinge  <thomas@codesourcery.com>

	* doc/optinfo.texi (Optimization groups): Fix option used for
	OPTGROUP_ALL.
	* doc/invoke.texi (-fopt-info): Document "omp".
	* dumpfile.h: Sort OPTGROUP_OMP before OPTGROUP_VEC.
	(OPTGROUP_ALL): Add OPTGROUP_OMP.
	* hsa-gen.c (pass_data_gen_hsail): Use OPTGROUP_OMP.
	* ipa-hsa.c (pass_data_ipa_hsa): Likewise.
	* omp-simd-clone.c (pass_data_omp_simd_clone): Likewise.

	Backport from trunk r245768:
	2017-02-28  Thomas Schwinge  <thomas@codesourcery.com>

	* dumpfile.h (OPTGROUP_OPENMP): Rename to OPTGROUP_OMP.  Adjust
	all users.
	* dumpfile.c (optgroup_options): Instead of "openmp", associate
	OPTGROUP_OMP with "omp".

2017-02-27  Chung-Lin Tang  <cltang@codesourcery.com>
	    Cesar Philippidis  <cesar@codesourcery.com>

	* config/nvptx/nvptx.c (gangprivate_shared_size): New global variable.
	(gangprivate_shared_align): Likewise.
	(gangprivate_shared_sym): Likewise.
	(gangprivate_shared_hmap): Likewise.
	(nvptx_option_override): Initialize gangprivate_shared_sym.
	(nvptx_file_end): Output gangprivate_shared_sym.
	(nvptx_goacc_expand_accel_var): New function.
	(nvptx_set_current_function): New function.
	(TARGET_SET_CURRENT_FUNCTION): Define hook.
	(TARGET_GOACC_EXPAND_ACCEL): Likewise.
	* doc/tm.texi (TARGET_GOACC_EXPAND_ACCEL_VAR): Document new hook.
	* doc/tm.texi.in (TARGET_GOACC_EXPAND_ACCEL_VAR): Likewise.
	* expr.c (expand_expr_real_1): Remap decls marked with the
	"oacc gangprivate" atttribute.
	* omp-low.c (scan_sharing_clauses): Strip out any "oacc gangprivate"
	attributes from acc loop private clauses.
	* target.def (expand_accel_var): New hook.

2017-02-23  Cesar Philippidis  <cesar@codesourcery.com>

	* omp-low.c (inform_oacc_loop): New function.
	(execute_oacc_device_lower): Use it to display loop parallelism.

	Backport from trunk:
	2016-11-23  Martin Jambor  <mjambor@suse.cz>
		    Martin Liska  <mliska@suse.cz>

	* doc/optinfo.texi (Optimization groups): Document OPTGROUP_OPENMP.
	* dumpfile.c (optgroup_options): Added OPTGROUP_OPENMP.
	* dumpfile.h (OPTGROUP_OPENMP): Define.
	* omp-low.c (pass_data_expand_omp): Changed optinfo_flags to
	OPTGROUP_OPENMP.
	(pass_data_expand_omp_ssa): Likewise.
	(pass_data_omp_device_lower): Likewsie.
	(pass_data_lower_omp): Likewise.
	(pass_data_diagnose_omp_blocks): Likewise.
	(pass_data_oacc_device_lower): Likewise.
	(pass_data_omp_target_link): Likewise.

2017-02-10  Tom de Vries  <tom@codesourcery.com>

	* omp-low.c (convert_from_firstprivate_int): Remove unused variable.

2017-02-08  Cesar Philippidis  <cesar@codesourcery.com>

	* config/nvptx/nvptx.c (nvptx_adjust_reduction_type): New function.
	(nvptx_goacc_reduction_setup): Use it to adjust the type of ref_to_res.
	(nvptx_goacc_reduction_fini): Likewise.
	(nvptx_goacc_reduction_teardown): Likewise.
	* omp-low.c (lower_oacc_reductions): Handle reduction decls mapped
	with GOMP_MAP_FIRSTPRIVATE_POINTER.
	* convert_to_firstprivate_pointer: Rename to ...
	* convert_to_firstprivate_int: ... this.
	* convert_from_firstprivate_pointer: Rename to ...
	* convert_from_firstprivate_int: ... this.
	(lower_omp_target): Update calls to convert_{to,from}_firstprivate_int.
	(default_goacc_reduction): Retype ref_to_res as necessary.

2017-02-01  Cesar Philippidis  <cesar@codesourcery.com>

	* omp-low.c (convert_to_firstprivate_pointer): Use TYPE_SIZE instead
	of TYPE_PRECISION when determining if a firstprivate variable may be
	casted into a pointer.
	(convert_from_firstprivate_pointer): Likewise.
	(lower_omp_target): Likewise.

2017-01-27  Cesar Philippidis  <cesar@codesourcery.com>

	* gimplify.c (demote_firstprivate_pointer): New function.
	(gimplify_scan_omp_clauses): Enable target_map_pointers_as_0len_arrays
	and target_map_scalars_firstprivate in OpenACC and gfortran.
	(gimplify_adjust_omp_clauses): Demote FIRSTPRIVATE_POINTERS for OpenACC
	retuction variables.
	* omp-low.c (lower_omp_target): Adjust receiver reference of decls for
	fortran dummy arguments.

2017-01-27  Cesar Philippidis  <cesar@codesourcery.com>

	* omp-low.c (maybe_lookup_field_in_outer_ctx): New function.
	(convert_to_firstprivate_pointer): New function.
	(convert_from_firstprivate_pointer): New function.
	(lower_omp_target): Enable GOMP_MAP_FIRSTPRIVATE_INT in OpenACC.

2017-01-10  Thomas Schwinge  <thomas@codesourcery.com>

	* gimplify.c (gimplify_adjust_omp_clauses_1): Clean up.

	Backport from gcc-6-branch r244264:
	2017-01-10  Thomas Schwinge  <thomas@codesourcery.com>

	PR tree-optimization/78024
	* omp-low.c (oacc_loop_discovery): Call clear_bb_flags.

2017-01-10  Chung-Lin Tang  <cltang@codesourcery.com>

	* gimplify.c (gimplify_scan_omp_clauses): For dynamic array map kinds,
	make sure bias in each dimension are put into firstprivate variables.
	* tree-pretty-print.c (dump_omp_clauses): Add cases for printing
	GOMP_MAP_DYNAMIC_ARRAY map kinds.
	* omp-low.c (struct omp_context):
	Add 'hash_map<tree_operand_hash, tree> *dynamic_arrays' field, also
	added include of "tree-hash-traits.h".
	(append_field_to_record_type): New function.
	(create_dynamic_array_descr_type): Likewise.
	(create_dynamic_array_descr_init_code): Likewise.
	(new_omp_context): Add initialize of dynamic_arrays field.
	(delete_omp_context): Add delete of dynamic_arrays field.
	(scan_sharing_clauses): For dynamic array map kinds, check for
	supported dimension structure, and install dynamic array variable into
	current omp_context.
	(lower_omp_target): Add handling for dynamic array map kinds.
	(dynamic_array_lookup): New function.
	(dynamic_array_reference_start): Likewise.
	(scan_for_op): Likewise.
	(scan_for_reference): Likewise.
	(da_create_bias): Likewise.
	(da_dimension_peel): Likewise.
	(lower_omp_1): Add case to look for start of dynamic array reference,
	and handle bias adjustments for the code sequence.

2016-12-06  Cesar Philippidis  <cesar@codesourcery.com>

	* gimplify.c (gimplify_adjust_omp_clauses_1): Link ACC new clauses
	with the old ones.

2016-11-10  Cesar Philippidis  <cesar@codesourcery.com>

	* gimplify.c (gimplify_scan_omp_clauses): Remove
	OMP_CLAUSE_DEVICE_RESIDENT.
	(gimplify_adjust_omp_clauses): Likewise.
	* omp-low.c (scan_sharing_clauses): Likewise.
	* tree-core.h (enum omp_clause_code): Likewise.
	* tree-nested.c (convert_nonlocal_omp_clauses):
	(convert_local_omp_clauses):
	* tree-pretty-print.c (dump_omp_clause): Likewise.
	* tree.c (walk_tree_1): Likewise.

2016-11-10  Cesar Philippidis  <cesar@codesourcery.com>

	* gimplify.c (gimplify_scan_omp_clauses): Update handling of ACC
	UPDATE variables.

2016-11-07  Cesar Philippidis  <cesar@codesourcery.com>

	* gimplify.c (enum gimplify_omp_var_data): Remove stale
	GOVD_USE_DEVPTR.
	(gimplify_scan_omp_clauses): Likewise.
	(gimplify_adjust_omp_clauses_1): Likewise.

2016-10-28  Cesar Philippidis  <cesar@codesourcery.com>

	* config/nvptx/nvptx.c (nvptx_single): Use a single predicate
	for loops partitioned across both worker and vector axes.

2016-10-19  Thomas Schwinge  <thomas@codesourcery.com>

	PR other/70945
	* targhooks.c (default_libc_has_function): Update comment.
	* target.def (libc_has_function): Likewise.
	* doc/tm.texi: Regenerate.
	* coretypes.h (enum function_class): Add
	function_glibc_finite_math.
	* config/darwin.c (darwin_libc_has_function): Handle it.
	* lto-streamer.h (enum lto_section_type): Rename
	LTO_section_offload_table to LTO_section_offload_data.  Adjust all
	users.
	* lto-cgraph.c (void output_offload_data): New function, split out
	of output_offload_tables.  Adjust all users.  Stream the target's
	function_glibc_finite_math property.
	(input_offload_data): New function, split out of
	input_offload_tables.  Adjust all users.  Handle mismatch between
	the target's and the offloading target's
	function_glibc_finite_math property.

2016-10-05  Nathan Sidwell  <nathan@codesourcery.com>

	* tree.h (OMP_CLAUSE_TILE_ITERVAR, OMP_CLAUSE_TILE_COUNT): New.
	* tree.c (omp_clause_num_ops): Adjust TILE ops.
	* internal-fn.def (GOACC_TILE): New.
	* internal-gn.c (expand_GOACC_TILE): New.
	* gimplify.c (gomplify_adjust_omp_clauses): Don't delete TILE.
	(gimplify_omp_for): Deal with TILE.
	* omp-low.c (struct omp_for_data): Add tiling field.
	(struct oacc_loop): Add e_mask field.
	(enum oacc_loop_flags): Add OLF_TILE flag.
	(extract_omp_for_data): Deal with tiling.
	(lower_oacc_head_mark): Add OLF_TILE as appropriate, adjust levels
	calculation.
	(struct oacc_collaps): Add tile and outer fields.  */
	(expand_oacc_collaps_init): Add LOC paramter.  Initialize tile
	element fields.
	(expand_oacc_collaps_vars): Add INNER parm.  Adjust for tiling.
	(expand_oacc_for): Insert tile element loop as needed.  Adjust.
	(oacc_xform_tile): New.
	(new_oacc_loop_raw): Initialize e_mask.
	(oacc_loop_discover_walk): Remember GOACC_TILE fns.
	(oacc_loop_process): Adjust GOACC_LOOP processing.  Deal with
	GOACC_TILE fns.
	(oacc_loop_fixed_partitions): Deal with TILE.
	(oacc_loop_auto_partitions): Likewise.
	(execite_oacc_device_lower): Process GOACC_TILE fns.
	
2016-10-04  Nathan Sidwell  <nathan@codesourcery.com>

	* omp-low.c (lower_oacc_head_mark): Don't determine default auto
	here ...
	(oacc_loop_fixed_partitions): ... do it here instead.

2016-10-03  Nathan Sidwell  <nathan@codesourcery.com>

	* gimplify.c (gimplify_scan_omp_clauses): No special handling for
	OMP_CLAUSE_TILE.
	* omp-low.c (scan_sharing_clauses): Allow OMP_CLAUSE_TILE.
	(expand_oacc_for): Remove out of date note.  Fix whitespace.
	(oacc_dim_call): New.
	(oacc_thread_numbers): Use it.
	(oacc_loop_fixed_partitions): Dump partitioning.
	* tree-nested.c (convert_nonlocal_omp_clauses): Allow OMP_CLAUSE_TILE.
	* internal-fn.def (GOACC_DIM_POS): Comment may be overly conservative.

	* gimple-pretty-print.c (dump_gimple_call_args): Simplify "' "
	printing.

2016-10-02  Chung-Lin Tang  <cltang@codesourcery.com>

	PR fortran/77371
	* omp-low.c (lower_omp_target): Avoid reference-type processing
	on pointers for firstprivate clause.
	* gimplify.c (gimplify_adjust_omp_clauses): Add 'remove = true'
	when emitting error on private/firstprivate reductions.

2016-09-30  Nathan Sidwell  <nathan@codesourcery.com>

	* omp-low.c (oacc_loop_auto_partition): Simplify logic.

2016-09-30  Nathan Sidwell  <nathan@codesourcery.com>

	* omp-low.c (expand_oacc_collapse_vars): Avoid MOD for outermost
	collaps var.

2016-09-27  Nathan Sidwell  <nathan@codesourcery.com>

	* omp-low.c (struct oacc_loop): Change 'ifns' to vector of call
	stmts.
	(new_oacc_loop_raw, finish_oacc_loop): Adjust.
	(oacc_loop_discover_walk): Append loop abstraction sites to list.
	(oacc_loop_xform_loop): Delete.
	(oacc_loop_process): Iterate over call list directly.
	(execute_oacc_device_lower): Ignore unknown unspecs.

2016-09-27  Nathan Sidwell  <nathan@codesourcery.com>

	* internal-fn.h (IFN_UNIQUE_CODES, IFN_GOACC_LOOP_CODES,
	IFN_GOACC_REDUCTION_CODES): New.
	(enum ifn_unique_kind, enum ifn_goacc_loop_kind, enum
	ifn_goacc_reduction_kind): Use them.
	* gimple-pretty-print.c (dump_gimple_call_args): Decode first arg
	of internal functions, when applicable.

2016-09-23  Cesar Philippidis  <cesar@codesourcery.com>

	* gimplify.c (is_oacc_declared): New function.
	(oacc_default_clause): Use it to set default flags for acc declared
	variables inside parallel regions.
	(gimplify_scan_omp_clauses): Strip firstprivate pointers for acc
	declared variables.
	(gimplify_oacc_declare): Gimplify the declare clauses.  Add the
	declare attribute to any decl as necessary.

2016-09-15  Cesar Philippidis  <cesar@codesourcery.com>

	* gimplify.c (oacc_default_clause): Privatize fortran common blocks.
	(omp_notice_variable): Defer the expansion of DECL_VALUE_EXPR for
	common block decls.

2016-09-15  Chung-Lin Tang  <cltang@codesourcery.com>

	Backport from mainline
	2016-09-15  Chung-Lin Tang  <cltang@codesourcery.com>

	PR fortran/72743
	* ipa-icf.c (set_alias_uids): New function.
	(sem_variable::merge): Use set_alias_uids to set DECL_PT_UID of
	all the merged variable's referring aliases.

2016-08-31  Nathan Sidwell  <nathan@codesourcery.com>

	* config/nvptx/nvptx.md (cond_uni): New pattern.
	* config/nvptx/nvptx.c (nvptx_propagate_unified): New.
	(nvptx_split_blocks): Call it for cond_uni insn.
	(nvptx_expand_cond_uni): New.
	(enum nvptx_builtins): Add NVPTX_BUILTIN_COND_UNI.
	(nvptx_init_builtins): Initialize it.
	(nvptx_generate_vector_shuffle): Change integral SHIFT operand to
	tree BITS operand.
	(nvptx_vector_reduction): New.
	(nvptx_goacc_reduction_fini): Call it for vector.

2016-08-30  Cesar Philippidis  <cesar@codesourcery.com>

	* omp-low.c (lower_omp_target): Handle NULL-sized types for
	assumed-sized arrays.

2016-08-28  Nathan Sidwell  <nathan@codesourcery.com>

	* config/nvptx/nvptx.c (PTX_GANG_DEFAULT): Set to zero.

2016-08-26  Nathan Sidwell  <nathan@codesourcery.com>

	* ipa-inline-analysis.c (inline_write_summary): Only dump callee
	counts when dumping the function's body.

2016-08-26  Nathan Sidwell  <nathan@codesourcery.com>

	Merge from trunk:
	* ipa-inline-analysis.c (inline_write_summary): Remove unnecessary
	assignment inside if condition.

2016-08-24  Nathan Sidwell  <nathan@codesourcery.com>

	* config/nvptx/nvptx.c (nvptx_emit_forking, nvptx_emit_joining):
	Emit insns for calls too.
	(nvptx_find_par): Always look for worker-level predecessor insn.
	(nvptx_propagate): Add is_call parm, return bool.  Copy frame for
	calls.
	(nvptx_vpropagate, nvptx_wpropagate): Adjust.
	(nvptx_process_pars): Propagate frames for calls.

2016-08-17  Cesar Philippidis  <cesar@codesourcery.com>

	PR middle-end/70828
	* gimplify.c (struct gimplify_omp_ctx): Add tree clauses member.
	(new_omp_context): Initialize clauses to NULL_TREE.
	(gimplify_scan_omp_clauses): Set clauses in the gimplify_omp_ctx.
	(omp_clause_matching_array_ref): New function.
	(gomp_needs_data_present): New function.
	(gimplify_adjust_omp_clauses_1): Use preset or pointer omp clause map
	kinds when creating implicit data clauses for OpenACC offloaded
	variables defined used an acc data region as necessary.

2016-08-17  Thomas Schwinge  <thomas@codesourcery.com>

	* omp-low.c (verify_oacc_routine_clauses): Change formal
	parameters.  Add checking if already marked as an accelerator
	routine.  Adjust all users.

	* omp-low.c (build_oacc_routine_dims): Move some of its processing
	into...
	(verify_oacc_routine_clauses): ... this new function.
	* omp-low.h (verify_oacc_routine_clauses): New prototype.

2016-08-15  Chung-Lin Tang  <cltang@codesourcery.com>

	* omp-low.c (lower_oacc_reductions): Adjust variable lookup to use
	maybe_lookup_decl, to handle nested acc loop directives.

2016-08-03  Nathan Sidwell  <nathan@codesourcery.com>

	* config/nvptx/nvptx.c (nvptx_declare_function_name): Round frame
	size to DImode boundary.
	(nvptx_propagate): Likewise.

2016-07-27  Cesar Philippidis  <cesar@codesourcery.com>

	* lto-cgraph.c (input_overwrite_node): Change the assertion to an
	error for missing symbols.

2016-07-15  Cesar Philippidis  <cesar@codesourcery.com>

	Backport from trunk:
	* omp-low.c (lower_omp_target): Mark data clauses with
	GOMP_MAP_FORCE_{PRESENT,TO,FROM,TOFROM} as potentially having
	zero-length subarrays.

2016-06-30  Thomas Schwinge  <thomas@codesourcery.com>

	* config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Only trigger
	the "avoid offloading" mechanism for -O2 and higher.

2016-06-10  James Norris  <jnorris@codesourcery.com>

	Backport from mainline r236098.
	2016-05-10  James Norris  <jnorris@codesourcery.com>

	PR driver/68463
	* config/rs6000/sysv4.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o
	if offloading is enabled and -fopenacc or -fopenmp is specified.
	(CRTOFFLOADEND): Likewise.
	(STARTFILE_LINUX_SPEC): Add CRTOFFLOADBEGIN.
	(ENDFILE_LINUX_SPEC): Add CRTOFFLOADEND.

2016-06-10  Thomas Schwinge  <thomas@codesourcery.com>

	PR middle-end/71373
	Backport from trunk r237291:
	* tree-nested.c (convert_nonlocal_omp_clauses)
	(convert_local_omp_clauses): Handle OMP_CLAUSE_ASYNC,
	OMP_CLAUSE_WAIT, OMP_CLAUSE_INDEPENDENT, OMP_CLAUSE_AUTO,
	OMP_CLAUSE__CACHE_, OMP_CLAUSE_TILE.

	Backport from trunk r237291:
	* gimplify.c (gimplify_adjust_omp_clauses): Discard
	OMP_CLAUSE_TILE.
	* omp-low.c (scan_sharing_clauses): Don't expect OMP_CLAUSE_TILE.

	Backport from trunk r237290:
	* omp-low.c (scan_sharing_clauses): Don't expect
	OMP_CLAUSE__CACHE_.

2016-05-27  Cesar Philippidis  <cesar@codesourcery.com>

	Backport trunk r236678:
	2016-05-24  Cesar Philippidis  <cesar@codesourcery.com>

	* gimplify.c (omp_notice_variable): Use zero-length arrays for data
	pointers inside OACC_DATA regions.
	(gimplify_scan_omp_clauses): Prune firstprivate clause associated
	with OACC_DATA, OACC_ENTER_DATA and OACC_EXIT data regions.
	(gimplify_adjust_omp_clauses): Fix typo in comment.

2016-05-27  Cesar Philippidis  <cesar@codesourcery.com>

	* omp-low.c (oacc_loop_auto_partitions): Use boolean OR
	when comparing outer_assign and loop->inner.

2016-05-26  Nathan Sidwell  <nathan@acm.org>

	* config/nvptx/nvptx.c (nvptx_function_arg_boundary): New.
	(TARGET_FUNCTION_ARG_BOUNDARY): Override.

2016-05-23  Cesar Philippidis  <cesar@codesourcery.com>

	Backport trunk r236523:
	2016-05-20  Cesar Philippidis  <cesar@codesourcery.com>

	* config/nvptx/nvptx.md (sincossf3): New pattern.

2016-05-06  Nathan Sidwell  <nathan@codesourcery.com>

	* omp-low.c (lower_oacc_head_mark): Ensure 2 levels for auto
	loops.
	(oacc_loop_auto_partitions): Add outer_assign parm. Assign all but
	vector partitioning to outer loops.  Assign 2 partitions to loops
	when available.
	(oacc_loop_partition): Adjust oacc_loop_auto_partitions call.

2016-05-05  Nathan Sidwell  <nathan@codesourcery.com>

	* gimple.c (gimple_call_same_target_p): Unique functions are eq.
	* tree-ssa-tail-merge.c (same_succ::equal): Check pointer eq
	equality first.

2016-05-02  Nathan Sidwell  <nathan@codesourcery.com>

	* omp-low.c (lower_oacc_head_tail): Assert there is at least one
	marker.
	(oacc_loop_process): Check mask for loop termination.
	(oacc_loop_auto_part): Remove code duplicated in merge.

2016-04-11  Cesar Philippidis  <cesar@codesourcery.com>

	PR tree-optimization/70357
	* gimplify.c (gimplify_scan_omp_clauses): Remove stale acc reduction
	code.
	(gimplify_adjust_omp_clauses): Add or adjust data clauses for acc
	parallel reductions as necessary.  Error on those that are private.
	(localize_reductions_r): Delete.
	(localize_reductions): Delete.
	(gimplify_omp_for): Don't call localize_reductions.
	(gimplify_omp_workshare): Likewise.
	* omp-low.c (build_outer_var_ref): Remove stale reduction-specific
	corner cases.
	(fixup_remapped_decl): Likewise.
	(scan_sharing_clauses):  Don't install variables which are used in
	acc parallel reductions.
	(check_omp_nesting_restrictions): Remove stale reduction-specific
	corner cases.
	(scan_omp_1_stmt): Clean up whitespace.
	(lower_rec_input_clauses): Remove stale reduction-specific corner
	cases.
	(lower_oacc_reductions): Update it to handle parallel, reference and
	nested reductions.
	(lower_omp_target): Don't remap variables appearing in acc parallel
	reductions.
	* tree-core.h (enum omp_clause_code): Remove stale comments about
	the fifth reduction clause operand.
	* tree.c (omp_clause_num_ops): Set the number of reduction clause
	operands to 5.
	(walk_tree_1): Update error checking for the reduction clause.
	* tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): New macro.

2016-04-11  Tom de Vries  <tom@codesourcery.com>

	* passes.def: Remove superfluous passes from kernels pass list.
	* tree-ssa-loop.c (pass_scev_cprop::clone, pass_tree_loop_init::clone)
	(pass_tree_loop_done::clone): Remove function.

2016-04-08  Thomas Schwinge  <thomas@codesourcery.com>

	* gimple.def: Remove GIMPLE_OMP_ENTRY_END.  Remove all uses.

2016-03-11  Cesar Philippidis  <cesar@codesourcery.com>

	* config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
	and HImode registers.

2016-03-09  Nathan Sidwell  <nathan@acm.org>

	* config/nvptx/nvptx.c (nvptx_option_override): Don't kill debug level.

2016-02-24  Nathan Sidwell  <nathan@codesourcery.com>

	PR other/69916
	* omp-low.c (struct oacc_loop): Add ifns.
	(new_oacc_loop_raw): Initialize it.
	(finish_oacc_loop): Clear mask & flags if no ifns.
	(oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
	(oacc_loop_xform_loop): Add ifns arg & adjust.
	(oacc_loop_process): Adjust oacc_loop_xform_loop call.

2016-02-03  James Norris  <jnorris@codesourcery.com

	Backport form trunk:
	2016-02-02  James Norris  <jnorris@codesourcery.com>
	* gimplify.c (omp_notice_variable): Add usage check.

2016-01-22  Nathan Sidwell  <nathan@codesourcery.com>

	* omp-low.c (struct oacc_loop): Add 'inner' field.
	(new_oacc_loop_raw): Initialize it to zero.
	(oacc_loop_fixed_partitions): Initialize it.
	(oacc_loop_auto_partitions): Partition outermost loop to outermost
	available partitioning.

2016-01-21  Thomas Schwinge  <thomas@codesourcery.com>

	* common.opt: Add -foffload-force.
	* lto-wrapper.c (merge_and_complain, append_compiler_options):
	Handle it.
	* doc/invoke.texi: Document it.
	* config/nvptx/mkoffload.c (struct id_map): Add "flags" member.
	(record_id): Parse, and set it.
	(process): Use it.
	* config/nvptx/nvptx.c (nvptx_attribute_table): Add "omp avoid
	offloading".
	(nvptx_record_offload_symbol): Use it.
	(nvptx_goacc_validate_dims): Set it.

2016-01-20  Cesar Philippidis  <cesar@codesourcery.com>

	* gimplify.c (gimplify_scan_omp_clauses):  Consider OACC_{DATA,
	PARALLEL, KERNELS} when processing firstprivate pointers and
	references, and setting target_kind_firstprivatize_array_bases.

2016-01-20  Tom de Vries  <tom@codesourcery.com>

	* gimplify.c (gimplify_omp_for): Remove reduction clauses in kernels
	region.

2016-01-15  Cesar Philippidis  <cesar@codesourcery.com>

	Backport from trunk:
	2016-01-15  Cesar Philippidis  <cesar@codesourcery.com>

	* gimplify.c (oacc_default_clause): Decode reference and pointer
	types for both kernels and parallel regions.

2016-01-13  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/68977
	* omp-low.c (oacc_xform_loop): Handle seen_error () == true.

2016-01-11  Thomas Schwinge  <thomas@codesourcery.com>

	* config/nvptx/nvptx.h (ASM_SPEC): Define.
	* config/nvptx/nvptx.md (atomic_fetch_<logic><mode>): Enable
	conditionally.

2016-01-08  Cesar Philippidis  <cesar@codesourcery.com>

	* lto-cgraph.c (input_varpool_node): Reduce the assert for
	missing variables to an error.
	* omp-low.c (build_outer_var_ref): Recursively scan for decls
	in outer omp contexts.

2016-01-08  Nathan Sidwell  <nathan@acm.org>

	* omp-low.c (expand_omp_atomic_pipeline): Pay attention to
	LOOPS_HAVE_SIMPLE_LATCHES state.

2016-01-07  Cesar Philippidis  <cesar@codesourcery.com>

	* omp-low.c (lower_oacc_reductions): Handle explicitly private
	reduction varaibles.

2016-01-07  Nathan Sidwell  <nathan@acm.org>

	* omp-low.c (oacc_validate_dims): Allow non-unity defaults on
	kernel regions too.

2016-01-07  Cesar Philippidis  <cesar@codesourcery.com>

	* omp-low.c (lower_oacc_reductions): Properly handle reductions
	inside routines.

2016-01-06  Cesar Philippidis  <cesar@codesourcery.com>

	PR other/68813
	* omp-low.c (is_oacc_reduction_private): Delete.
	(build_outer_var_ref): Remove special handling for private reductions
	in openacc.
	(scan_sharing_clauses): Likewise.
	(lower_rec_input_clauses): Likewise.
	(lower_oacc_reductions): Update support for private reductions.

2016-01-06  Cesar Philippidis  <cesar@codesourcery.com>

	* omp-low.c (new_oacc_loop_routine): Remove stale dims variable.

2016-01-05  Nathan Sidwell  <nathan@codesourcery.com>

	* config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
	(nvptx_goacc_validate_dims): Extend to handle global defaults.
	* doc/invoke.texi (fopenacc-dim): Document.
	* lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
	(append_compiler_options): Likewise.
	* omp-low.c (oacc_default_dims, oacc_min_dims): New.
	(oacc_parse_default_dims): New.
	(oacc_validate_dims): Add USED arg.  Emit warnings about strange
	partitioning choices.  Select non-unity default when possible.
	(oacc_loop_fixed_partitions): Return mask of used partitions.
	(oacc_loop_auto_partitions): Emit dump info.
	(oacc_loop_partition): Return mask of used partitions.
	(execute_oacc_device_lower): Parse default dimension arg.  Adjust
	loop partitioning and validation calls.

2016-01-05  Nathan Sidwell  <nathan@acm.org>

	Merge from mainline:
	2015-12-30  Nathan Sidwell  <nathan@acm.org>
	* config/nvptx/nvptx.c (nvptx_assemble_undefined_decl): Check
	it's not a constant pool object.

	2015-12-28  Nathan Sidwell  <nathan@acm.org>
	* config/nvptx/nvptx.c (nvptx_output_call_insn): Expect hard regs.
	* config/nvptx/nvptx.md (nvptx_reg_or_mem_operand): Rename to ...
	(nvptx_nonimmediate_operand): ... here.  Update all uses.
	(call_insn_operand): Use REG_P.
	(call_operation): Allow hard regs.

	2015-12-23  Nathan Sidwell  <nathan@acm.org>
	* config/nvptx/nvptx-protos.h
	(nvptx_maybe_convert_symbolic_operand): Delete prototype.
	* config/nvptx/nvptx.c (nvptx_maybe_convert_symbolic_operand): Delete.
	(nvptx_output_mov_insn): Record fnsym here.
	(nvptx_wpropagate): Don't create UNSPEC_TO_GENERIC unspec.
	* config/nvptx/nvptx.md (UNSPEC_TO_GENERIC): Delete.
	(symbolic_operand): Delete predicate.
	(nvptx_nonimmediate_operand): Delete predicate.
	(mov<mode>): Hard regs are perfectly ok here.
	(convaddr_<mode>): Delete.

	2015-12-18  Nathan Sidwell  <nathan@acm.org>
	* config/nvptx/nvptx.c (nvptx_maybe_convert_symbolic_operand):
	Remove UNSPEC_TO_GENERIC generation.
	(nvptx_output_mov_insn): Generate cvta for symbolic src.
	* config/nvptx/nvptx.md (nvptx_register_operand): Allow hard reg.
	(nvptx_reg_or_mem_operand): Likewise.
	(nvptx_nonmemory_operand): Likewise.
	(nvptx_general_operand): Delete.
	(*mov<mode>_insn): Use nonimmediate_operand, permit hardregs.
	(oacc_fork, oacc_join): Use general_operand.

	2015-12-18  Nathan Sidwell  <nathan@acm.org>
	* config/nvptx/nvptx.c (nvptx_option_override): Emit sorry for
	stabs debug.
	(nvptx_assemble_undefined_decl): Use nvptx_assemble_decl_end.

	2015-12-18  Nathan Sidwell  <nathan@acm.org>
	* config/nvptx/nvptx.c (worker_bcast_name, worker_red_name): Delete.
	(nvptx_option_override): Adjust worker symbol creation.
	(nvptx_gen_wcast): Wrap worker address in UNSPEC_TO_GENERIC.
	(write_worker_buffer): New.
	(nvptx_file_end): Call write_worker_buffer.
	* config/nvptx/nvptx.md (UNSPEC_SHARED_DATA): Delete.
	(worker_load<mode>, worker_store<mode>): Delete.

	2015-12-17  Nathan Sidwell  <nathan@acm.org>
	* config/nvptx/nvptx.h (NVPTX_RETURN_REGNUM, FRAME_POINTER_REGNUM,
	ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Renumber.
	(REGISTER_NAMES): Update and rename.
	(FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
	(enum_reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Reformat.

	2015-12-16  Nathan Sidwell  <nathan@acm.org>
	* config/nvptx/nvptx.h (OUTGOING_STATIC_CHAIN_REGNUM): Remove.
	(REGISTER_NAMES): Adjust.
	* config/nvptx/nvptx.c (nvptx_pass_by_reference): Avoid long line.
	(nvptx_static_hain): Delete.
	(write_arg_mode): Don't emit initializer if argno < 0.
	(write_arg_type): Fix whitespace.
	(init_frame): Initialize reg to zero if frame is zero-sized.
	(nvptx_declare_function_name):  Use write_arg_type to emit chain
	decl.
	(nvptx_output_call_insn): Adjust static chain emission.
	(nvptx_goacc_reduction): Make static.
	(TARGET_STATIC_CHAIN): Don't override.

	2015-12-16  Nathan Sidwell  <nathan@acm.org>
	* config/nvptx/nvptx-protos.h (nvptx_hard_regno_mode_ok): Delete.
	* config/nvptx/nvptx.h (struct machine_function):
	Reimplement. Adjust all users.
	* config/nvptx/nvptx.c (nvptx_declare_function_name): Move stack
	and frame array generation earlier.
	(nvptx_call_args): Reimplement.
	(nvptx_expand_call): Adjust.
	(nvptx_hard_reno_mode_ok): Delete.
	(nvptx_reorg): Revert scan of hard regs.

2015-12-29  Nathan Sidwell  <nathan@acm.org>

	* omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg, encode on
	TREE_PUBLIC.
	(oacc_fn_attrib_kernels_p): New.
	(oacc_fn_attrib_level): New.
	(expand_omp_target): Pass kernels_p to set_oacc_fn_attrib.
	(oacc_validate_dims): Add LEVEL arg, don't return it.
	(new_oacc_loop_routine): Use oacc_fn_attrib_level, not
	oacc_validate_dims.
	(execute_oacc_device_lower): Use oacc_fn_attrib_level, validate
	dimensions after discovering loops.  Add more dump info.
	* omp-low.h (set_oacc_fn_attrib): Add IS_KERNEL arg.
	(oacc_fn_attrib_kernels_p): Declare.
	* tree-parloops.c (create_parallel_loop): Adjust
	set_oacc_fn_attrib call.
	* tree-ssa-loop.c (gate_oacc_kernels): Use oacc_fn_attrib_kernels_p.

2015-12-28  Nathan Sidwell  <nathan@acm.org>

	* omp-low.c (maybe_discard_oacc_function): New simplification
	broken out of ...
	(execte_oacc_device_lower): ... here.  Call it.

2015-12-09  Tom de Vries  <tom@codesourcery.com>

	backport from trunk:
	* gimplify.c (enum gimplify_omp_var_data): Add enum value
	GOVD_MAP_FORCE.
	(oacc_default_clause): Fix default for scalars in oacc kernels.
	(gimplify_adjust_omp_clauses_1): Handle GOVD_MAP_FORCE.

2015-12-09  Tom de Vries  <tom@codesourcery.com>

	* omp-low.c (expand_omp_for_generic): Gimplify seq_loop loop start and
	limit.

2015-12-08  Thomas Schwinge  <thomas@codesourcery.com>

	* gimplify.c (gimplify_scan_omp_clauses)
	(gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_BIND,
	OMP_CLAUSE_NOHOST.
	* tree-nested.c (convert_nonlocal_omp_clauses)
	(convert_local_omp_clauses): Likewise.
	* omp-low.c (scan_sharing_clauses): Likewise.
	(execute_oacc_device_lower) [ACCEL_COMPILER]: Handle OpenACC bind
	clauses.
	[!ACCEL_COMPILER]: Handle OpenACC nohost clauses.
	* tree-core.h (enum omp_clause_code) <OMP_CLAUSE_BIND>: Update
	description.

2015-12-05  Chung-Lin Tang  <cltang@codesourcery.com>

	* c-family/c-omp.c (c_finish_oacc_wait): Remove add_stmt() call.
	* c/c-parser.c (c_parser_oacc_wait): Add add_stmt() call.
	* cp/parser.c (cp_parser_oacc_wait): Add finish_expr_stmt() call.

2015-12-01  Thomas Schwinge  <thomas@codesourcery.com>

	* omp-low.c (bb_region_map): Remove.  Adjust all users.

2015-11-30  Cesar Philippidis  <cesar@codesourcery.com>

	* tree-nested.c (convert_nonlocal_omp_clauses): Handle optional
	arguments for OMP_CLAUSE_{GANG,WORKER,VECTOR}.
	(convert_local_omp_clauses): Likewise

2015-11-30  Thomas Schwinge  <thomas@codesourcery.com>

	* passes.def: Use pass_ch instead of pass_ch_oacc_kernels.
	* tree-pass.h (make_pass_ch_oacc_kernels): Remove.
	* tree-ssa-loop-ch.c: Revert to trunk r230907 version.

2015-11-18  Nathan Sidwell  <nathan@codesourcery.com>

	* config/nvptx/nvptx.c: Remove unneeded #includes. Backport
	comments and whitespace from trunk.
	(nvptx_print_operand): Remove 'R' case.
	(nvptx_find_sese): Backport dump file output from trunk.

2015-11-17  Nathan Sidwell  <nathan@codesourcery.com>

	* config/nvptx/nvptx.c (nvptx_lockless_update): Remove complex
	double handling here ...
	(nvptx_lockfull_update): ... to this new function.
	(nvptx_reduction_update): New function.
	(nvptx_goacc_reduction_fini): Call it.

2015-11-16  Nathan Sidwell  <nathan@codesourcery.com>

	* config/nvtpx/nvptx.c (global_lock_var): New.
	(nvptx_global_lock_addr): New.
	(nvptx_lockless_update): Add support for complex.

2015-11-13  Nathan Sidwell  <nathan@codesourcery.com>

	* config/nvptx/nvptx.c (nvptx_generate_vector_shuffle): Deal with
	complex types.

2015-11-12  Nathan Sidwell  <nathan@codesourcery.com>

	* langhooks-def.h (omp_mappable_type): Remove oacc arg.
	* langhooks.h (lhd_omp_mappable_type): Likewise.
	* langhooks.c (lhd_omp_mappable_type): Likswise.
	* gimplify.c (omp_notice_variable): Adjust omp_mappable_type call.

2015-11-11  Nathan Sidwell  <nathan@codesourcery.com>

	* gimplify.c (enum gimplify_omp_var_data): Remove GOVD_FORCE_MAP.
	(omp_region_type): Use hex. Add OpenACC members.
	(omp_region_kind, acc_region_kind): Delete.
	(gimplify_omp_ctx): Remove region_kind & acc_region_kind fields.
	(new_omp_context): Adjust default_kind setting.  Don't
	reinitialize fiels.
	(gimple_add_tmp_var): Add ORT_ACC check.
	(gimplify_var_or_parm_decl): Likewise.
	(omp_firstprivatize_variable): Likewise.
	(omp_add_variable): Adjust OpenACC detection.
	(oacc_default_clause): Reimplement.
	(omp_notice_variable): Adjust OpenACC detection.
	(gimplify_scan_omp_clauses): Remove region_kind arg. Adjust.
	(gimplify_scan_omp_clause_1): Adjust OpenACC detection.
	(gimmplify_oacc_cache, gimplify_oacc_declare,
	gimplify_oacc_host_data, gimplify_omp_parallel): Adjust.
	(gimplify_omp_for, gimplify_omp_workshare,
	gimplify_omp_target_update): Adjust for OpenACC ORT flags.
	(gimplify_expr): Likewise.
	(gimplify_body): Simplify OpenACC declare handling.

2015-11-10  Nathan Sidwell  <nathan@codesourcery.com>

	* omp-low.c (set_oacc_fn_attrib): Revert static storage specifier.

2015-11-10  Nathan Sidwell  <nathan@codesourcery.com>

	* omp-low.c: Backport whitespace & formatting changes from trunk.
	(is_atomic_compatible_p): Delete.
	(lower_reduction_clauses): Don't call it.
	(expand_omp_for_static_nochunk): Revert no-longer needed thread
	numbering expansion.
	(set_oacc_fn_attrib): Make static, fixup comment.
	(expand_omp_for_static_chunk): Likewise.
	(expand_omp_target): Adjust args initial size.
	(lower_omp_target): Rename label to oacc_firstprivate_map. Tweak
	assertions.

2015-11-09  Nathan Sidwell  <nathan@codesourcery.com>

	* omp-low.c (oacc_xform_dim): Delete.
	(execute_oacc_device_lower): Remove IFN_GOACC_DIM_POS,
	IFN_GOACC_DIM_SIZE handling.

2015-11-09  Tom de Vries  <tom@codesourcery.com>

	* omp-low.c (release_first_vuse_in_edge_dest): Remove
	(expand_omp_target): Remove ssa support.

2015-11-09  Tom de Vries  <tom@codesourcery.com>

	* omp-low.c (pass_data_expand_omp): Add PROP_gimple_eomp to
	properties_provided.
	(pass_expand_omp::execute): Don't set PROP_gimple_eomp.

2015-11-09  Tom de Vries  <tom@codesourcery.com>

	* omp-low.c (pass_data_expand_omp_ssa): Remove TODO_remove_unused_locals
	from todo_flags_finish.

2015-11-09  Tom de Vries  <tom@codesourcery.com>

	* omp-low.c (pass_expand_omp_ssa::execute): Cleanup formatting.

2015-11-08  Tom de Vries  <tom@codesourcery.com>

	* passes.def: Remove superfluous pass_expand_omp_ssa.

2015-11-08  Tom de Vries  <tom@codesourcery.com>

	* tree-ssa-dom.c: Remove omp-low.h include.

2015-11-08  Tom de Vries  <tom@codesourcery.com>

	* tree-ssa-dom.c (dominator_base::may_peel_loop_headers_p)
	(pass_dominator::may_peel_loop_headers_p)
	(pass_dominator_oacc_kernels::may_peel_loop_headers_p):: New function.
	(dominator_base::execute): Use may_peel_loop_headers_p.

2015-11-08  Tom de Vries  <tom@codesourcery.com>

	revert:
	2015-10-12  Tom de Vries  <tom@codesourcery.com>

	* tree-ssa-dom.c (dom_opt_dom_walker::dom_opt_dom_walker): Add
	jump_threading_p parameters.
	(dom_opt_dom_walker::m_jump_threading_p): New private var.
	(pass_dominator::jump_threading_p): New protected virtual function.
	(pass_dominator::execute): Handle jump_threading_p.
	(dom_opt_dom_walker::before_dom_children)
	(dom_opt_dom_walker::after_dom_children): Handle m_jump_threading_p.

2015-11-08  Tom de Vries  <tom@codesourcery.com>

	* passes.def: Add pass_dce in oacc kernels pass group.
	* tree-parloops.c (dead_load_p): Remove.
	(ref_conflicts_with_region, oacc_entry_exit_ok_1): Remove handling of
	dead loads.

2015-11-08  Tom de Vries  <tom@codesourcery.com>

	* omp-low.c (lower_omp_target): Remove insertion of IFN_GOACC_DIM_POS
	call in kernels region.
	* tree-parloops.c: Include gomp-constants.h.
	(oacc_entry_exit_single_gang): Remove gang_pos parameter.  Insert
	IFN_GOACC_DIM_POS call, if required.
	(oacc_entry_exit_ok): Remove gang_pos variable.

2015-11-08  Tom de Vries  <tom@codesourcery.com>

	* tree-parloops.c: Include tree-dfa.h.
	(get_omp_data_i_param): Simplify using ssa_default_def.

2015-11-07  Tom de Vries  <tom@codesourcery.com>

	revert:
	2015-10-08  Tom de Vries  <tom@codesourcery.com>

	* omp-low.c (expand_omp_for_init_counts): Add inits for counters in
	zero_iter_bb.
	(expand_omp_for_generic): Remove TREE_NO_WARNING setttings on counters.

2015-11-07  Tom de Vries  <tom@codesourcery.com>

	* tree.c (no_overflow_tree_code): Remove.
	* tree.h (no_overflow_tree_code): Remove.

2015-11-07  Tom de Vries  <tom@codesourcery.com>

	* omp-builtins.def: Cleanup formatting.

2015-11-07  Tom de Vries  <tom@codesourcery.com>

	* cgraph.c (cgraph_node::release_body): Remove workaround.

2015-11-06  Tom de Vries  <tom@codesourcery.com>

	* builtin-attrs.def (DOT_DOT_DOT_r_r_r, DOT_DOT_DOT_DOT_r_r_r): Remove
	unused DEF_ATTR_FOR_STRING.
	(ATTR_FNSPEC_DOT_DOT_DOT_r_r_r_NOTHROW_LIST)
	(ATTR_FNSPEC_DOT_DOT_DOT_DOT_r_r_r_NOTHROW_LIST): Remove unused
	DEF_ATTR_TREE_LIST.

2015-11-06  Tom de Vries  <tom@codesourcery.com>

	Revert:
	2015-07-14  Tom de Vries  <tom@codesourcery.com>

	* tree-parloops.c (parallelize_loops): Use marked_independent flag in
	oacc kernels region.

	backport from trunk:
	2015-07-12  Aldy Hernandez  <aldyh@redhat.com>

	* tree-inline.c: Fix double word typos.

2015-11-06  Tom de Vries  <tom@codesourcery.com>

	revert:
	2015-10-12  Tom de Vries  <tom@codesourcery.com>

	* domwalk.c (dom_walker::walk): Rename to ...
	(dom_walker::walk_until): ... this.  Add and handle until and
	until_inclusive parameters.
	(dom_walker::walk): Reimplement using dom_walker::walk_until.
	* domwalk.h (dom_walker::walk_until): Declare.

2015-11-06  Tom de Vries  <tom@codesourcery.com>

	* builtins.def (DEF_GOACC_BUILTIN_FNSPEC): Remove #undef and #define.
	* omp-builtins.def: Remove DEF_GOACC_BUILTIN_FNSPEC.

2015-11-06  Tom de Vries  <tom@codesourcery.com>

	revert:
	PR tree-optimization/65419
	2015-05-28  Tom de Vries  <tom@codesourcery.com>

	* cfgexpand.c (pass_data_expand): Add PROP_gimple_lompifn to
	properties_required field.
	* gimplify.c (gimplify_omp_workshare): Use IFN_GOACC_DATA_END_WITH_ARG
	instead of BUILT_IN_GOACC_DATA_END.  Clear PROP_gimple_lompifn in
	curr_properties.
	(gimplify_function_tree): Tentatively set PROP_gimple_lompifn in
	curr_properties.
	* internal-fn.c (expand_GOACC_DATA_END_WITH_ARG): New dummy function.
	* internal-fn.def (GOACC_DATA_END_WITH_ARG): New DEF_INTERNAL_FN.
	* omp-low.c (lower_omp_target): Set argument of GOACC_DATA_END_WITH_ARG.
	(pass_data_late_lower_omp): New pass_data.
	(pass_late_lower_omp): New pass.
	(pass_late_lower_omp::gate, pass_late_lower_omp::execute)
	(make_pass_late_lower_omp): New function.
	* passes.def: Add pass_late_lower_omp.
	* tree-inline.c (expand_call_inline): Handle PROP_gimple_lompifn.
	* tree-pass.h (PROP_gimple_lompifn): Add define.

2015-11-05  Tom de Vries  <tom@codesourcery.com>

	* omp-low.c (get_bbs_in_oacc_kernels_region):
	(loop_get_oacc_kernels_region_entry, get_oacc_kernels_region_exit)
	(oacc_kernels_region_entry_p): Remove.
	* omp-low.h: Same.

2015-11-05  Tom de Vries  <tom@codesourcery.com>

	* omp-low.c (gimple_stmt_omp_data_i_init_p, get_omp_data_i): Remove.
	* omp-low.h: Same.
	* tree-parloops.c (oacc_entry_exit_ok_1): Remove test on
	gimple_stmt_omp_data_i_init_p.

2015-11-05  Tom de Vries  <tom@codesourcery.com>

	revert:
	2015-04-21  Tom de Vries  <tom@codesourcery.com>

	* tree-ssa-copy.c (stmt_may_generate_copy): Handle .omp_data_i init
	conservatively.

2015-11-05  Tom de Vries  <tom@codesourcery.com>

	Revert:
	2015-04-21  Tom de Vries  <tom@codesourcery.com>

	* tree-ssa-ccp.c: Include omp-low.h.
	(surely_varying_stmt_p, ccp_visit_stmt): Handle .omp_data_i init
	conservatively.
	* tree-ssa-forwprop.c: Include omp-low.h.
	(pass_forwprop::execute): Handle .omp_data_i init conservatively.

2015-11-05  Tom de Vries  <tom@codesourcery.com>

	* omp-builtins.def (BUILT_IN_GOACC_KERNELS_INTERNAL): Remove
	DEF_GOACC_BUILTIN_FNSPEC.
	* omp-low.c (expand_omp_target): Remove handling of
	BUILT_IN_GOACC_KERNELS_INTERNAL.

2015-11-05  Tom de Vries  <tom@codesourcery.com>

	* omp-low.c (expand_omp_atomic_fetch_op):  Release defs of update stmt.

2015-11-05  Tom de Vries  <tom@codesourcery.com>

	* omp-low.c (set_oacc_fn_attrib): Remove static.
	* omp-low.h (set_oacc_fn_attrib): Declare.
	* tree-parloops.c (create_parallel_loop): Remove region_entry parameter.
	Remove handling of oacc kernels pragma and GOACC_kernels_internal call.
	Remove insertion of oacc parallel pragma.  Set oacc function attributes.
	(gen_parallel_loop): Remove region_entry parameter.
	(get_omp_data_i_param): New function.
	(try_create_reduction_list): Use get_omp_data_i_param instead of
	gimple_stmt_omp_data_i_init_p.
	(ref_conflicts_with_region): Handle GIMPLE_RETURN.
	(oacc_entry_exit_ok_1): Same.  Add missing is_gimple_call test before
	gimple_call_internal_p test.
	(oacc_entry_exit_ok): Remove region_entry parameter.  Use
	get_omp_data_i_param instead of get_omp_data_i.  Set region_bbs to all
	bbs in function.  Use function entry as region entry.
	(parallelize_loops): Allow oacc functions and parallelized function if
	oacc_kernels_p.  Remove	region_entry variable.
	(pass_parallelize_loops_oacc_kernels::execute): Clear PROP_gimple_eomp
	if a loop was parallelized.

2015-11-05  Tom de Vries  <tom@codesourcery.com>

	revert:
	2015-10-12  Tom de Vries  <tom@codesourcery.com>

	* tree-ssa-dom.c (pass_dominator::jump_threading_p): Handle sese_mode_p.
	(pass_dominator::sese_mode_p, pass_dominator::get_sese): New protected
	virtual function.
	(pass_dominator::execute): Handle sese_mode_p.

2015-11-05  Tom de Vries  <tom@codesourcery.com>

	Revert:
	2015-10-12  Tom de Vries  <tom@codesourcery.com>

	* tree-ssa-dom.c (dom_opt_dom_walker::set_skip_stmt): New function.
	(dom_opt_dom_walker::m_skip_stmt): New private var.
	(pass_dominator::get_sese): Add skip_stmt parameters.
	(pass_dominator::execute): Call set_skip_stmt with statement to skip for
	sese.
	(dom_opt_dom_walker::before_dom_children): Handle m_skip_stmt.

2015-11-05  Tom de Vries  <tom@codesourcery.com>

	* tree-ssa-loop.c: Include omp-low.h.
	(gate_oacc_kernels): Test for flag_tree_parallelize_loops.  Test for
	oacc function attribute.  Test for loop with in_oacc_kernels_region.

2015-11-05  Tom de Vries  <tom@codesourcery.com>

	* omp-low.c (expand_omp_target): Remove do_emit_library_call variable,
	assume true.  Remove do_splitoff variable, assume true.  Remove
	BUILT_IN_GOACC_KERNELS_INTERNAL handling.  Replace kernels region with a
	BUILT_IN_GOACC_PARALLEL call.

2015-11-04  Tom de Vries  <tom@codesourcery.com>

	backport from trunk:
	PR tree-optimization/67742
	2015-11-04  Tom de Vries  <tom@codesourcery.com>

	* tree-ssa-structalias.c (struct fieldoff): Add restrict_pointed_type
	field.
	(push_fields_onto_fieldstack): Handle restrict_pointed_type field.
	(create_variable_info_for_1): Add and handle handle_param parameter.
	Add restrict handling.
	(create_variable_info_for): Call create_variable_info_for_1 with extra
	arg.
	(make_param_constraints): Drop restrict_name parameter.  Ignore
	vi->only_restrict_pointers.
	(intra_create_variable_infos): Call create_variable_info_for_1 with
	extra arg.  Remove restrict handling.  Call make_param_constraints with
	one less arg.

	* tree-ssa-structalias.c (create_variable_info_for_1): Use decl_type
	variable.

2015-11-04  Tom de Vries  <tom@codesourcery.com>

	revert:
	2015-10-03  Tom de Vries  <tom@codesourcery.com>

	* tree-ssa-structalias.c (struct fieldoff): Add restrict_var field.
	(push_fields_onto_fieldstack): Add and handle handle_param parameter.
	(create_variable_info_for_1): Add and handle
	handle_param parameter.  Add extra arg to call to
	push_fields_onto_fieldstack.  Handle restrict pointer fields.
	(create_variable_info_for): Call create_variable_info_for_1 with extra
	arg.
	(make_param_constraints): Drop restrict_name parameter.  Ignore
	vi->only_restrict_pointers.
	(intra_create_variable_infos): Call create_variable_info_for_1 with
	extra arg.  Remove restrict handling.  Call make_param_constraints with
	one less arg.

2015-11-03  Tom de Vries  <tom@codesourcery.com>

	* common.opt (foffload-alias): New option.
	* flag-types.h (enum offload_alias): New enum.
	* omp-low.c (install_var_field): Handle flag_offload_alias.
	* doc/invoke.texi (@item Code Generation Options): Add -foffload-alias.
	(@item -foffload-alias): New item.

2015-11-03  Tom de Vries  <tom@codesourcery.com>

	backport from trunk:
	2015-11-03  Tom de Vries  <tom@codesourcery.com>

	* tree-ssa-structalias.c (make_restrict_var_constraints): Rename to ...
	(make_param_constraints): ... this.  Add and handle restrict_name
	parameter.  Handle is_full_var case.
	(intra_create_variable_infos): Use make_param_constraints.

	* tree-ssa-structalias.c (make_restrict_var_constraints): Replace
	make_copy_constraint call with make_constraint_from call.

2015-11-03  Tom de Vries  <tom@codesourcery.com>

	* tree-parloops.c (oacc_entry_exit_ok_1): Remove shadowing declaration
	of ref.

2015-10-31  Tom de Vries  <tom@codesourcery.com>

	backport from trunk:
	2015-10-31  Tom de Vries  <tom@codesourcery.com>

	* tree-ssa-structalias.c (intra_create_variable_infos): Don't expect
	existing varinfo for arguments.

	* tree-ssa-structalias.c (ipa_pta_execute): Add extra arg to call to
	create_function_info_for.  Dump constraints generated during
	create_function_info_for. Move intra_create_variable_infos call and
	function-return-values-escape bit to ...
	(create_function_info_for): ... here, and merge
	intra_create_variable_infos call with argument loop.  Add and handle
	nonlocal_p parameter.

	* tree-ssa-structalias.c (create_function_info_for): Make sure prev_vi
	updating is alap, and seperated from preceding code.  Make sure
	insert_vi_for_tree is seperated from surrounding code.

	* tree-ssa-structalias.c (ipa_pta_execute): Use make_copy_constraint.

2015-10-30  Tom de Vries  <tom@codesourcery.com>

	backport from trunk:
	2015-10-30  Tom de Vries  <tom@codesourcery.com>

	* tree-ssa-structalias.c (ipa_pta_execute): Declare variable from as
	unsigned, and initialize, and use initial value instead of hardcoded
	constant.  Add generic constraints dumping section.  Don't dump global
	initializers constraints dumping section if empty.  Don't update
	variable from if unused.

	2015-10-28  Tom de Vries  <tom@codesourcery.com>

	* tree-ssa-structalias.c (intra_create_variable_infos): Remove
	superfluous code.

	* tree-ssa-structalias.c (intra_create_variable_infos): Don't iterate
	into vi_next of a full_var.

	* tree-ssa-structalias.c (new_var_info, make_heapvar)
	(make_constraint_from_restrict, make_constraint_from_global_restrict)
	(create_function_info_for, create_variable_info_for_1)
	(create_variable_info_for): Add and handle add_id parameter.
	(get_call_vi, new_scalar_tmp_constraint_exp, handle_rhs_call)
	(init_base_vars): Add extra argument to calls to new_var_info.
	(get_vi_for_tree): Add extra argument to call to
	create_variable_info_for.
	(process_constraint, do_deref, process_all_all_constraints): Add extra
	argument to calls to new_scalar_tmp_constraint_exp.
	(handle_lhs_call, find_func_aliases_for_builtin_call): Add extra
	argument to calls to make_heapvar.
	(make_restrict_var_constraints): Add extra argument to call to
	make_constraint_from_global_restrict.
	(intra_create_variable_infos): Add extra argument to call to
	create_variable_info_for_1.
	(ipa_pta_execute): Add extra argument to call to
	create_function_info_for.

	* gcc.dg/tree-ssa/pta-callused.c: Update to scan for CALLUSED(id).

	2015-10-27  Tom de Vries  <tom@codesourcery.com>

	* tree-ssa-structalias.c (push_fields_onto_fieldstack): Add and use var
	field_type.

	2015-10-26  Tom de Vries  <tom@codesourcery.com>

	* tree-ssa-structalias.c (make_restrict_var_constraints): New function,
	factored out of ...
	(intra_create_variable_infos): ... here.

	* tree-ssa-structalias.c (intra_create_variable_infos): Add
	restrict_pointer_p and recursive_restrict_p variables.

	* tree-ssa-structalias.c (intra_create_variable_infos): Inline
	get_vi_for_tree call.

	2015-10-23  Tom de Vries  <tom@codesourcery.com>

	* tree-ssa-structalias.c (intra_create_variable_infos): Use
	make_constraint_from.

	* tree-ssa-structalias.c (create_variable_info_for_1): Add missing
	setting of is_full_var in case of a single field.

2015-10-29  Nathan Sidwell  <nathan@codesourcery.com>

	* omp-low.c (struct omp_context): Remove reductions field.
	(scan_sharing_clauses): Don't increment it.
	(lower_omp_target): Don't check it.  Move openacc dummy gang head
	& tail generation later & simplify.  Merge ifs.

2015-10-28  Nathan Sidwell  <nathan@codesourcery.com>

	* target.def (goacc.fork_join): Invert sense of result.
	* doc/tm.texi: Rebuilt.
	* config/nvptx/nvptx.md (nvptx_membar): Delete.
	* config/nvptx/nvptx.c: Update comments & formatting from trunk.
	(BARRIER_SHARED, BARRIER_GLOBAL, BARRIER_SYS): Delete.
	(worker_bcast_hwm): Rename to ...
	(worker_bcast_size): ... here.  Update users.
	(nvptx_emit_forking): Update SESE comment.
	(struct wcast_data_t): Document fields.
	(nvptx_print_operand): Remove 'B' handling.
	(propagator_fn): New typedef.
	(nvptx_propagate): Use it.
	(nvptx_goacc_fork_join): Invert result sense.
	* omp-low.c: Update comments and formatting from trunk.
	(scan_omp_target): Use flag_checking, not ENABLE_CHECKING.
	(struct oacc_collapse, expand_oacc_collapse_init,
	expand_oacc_collapse_vars): Move earlier.
	(default_goacc_fork_join): Use targetm, invert sense of result.
	(execute_oacc_device_lower): Adjust goacc.fork_join handling.

2015-10-26  Nathan Sidwell  <nathan@codesourcery.com>

	* doc/tm.texi: Rebuilt.
	* internal-fn.c (expand_GOACC_REDUCTION_SETUP,
	expand_GOACC_REDUCTION_INIT, expand_GOACC_REDUCTION_FINI,
	expand_GOACC_REDUCTION_TEADOWN): Replace with ...
	(expand_GOACC_REDUCTION): ... this.
	* internal-fn.def (GOACC_REDUCTION_SETUP,
	GOACC_REDUCTION_INIT, GOACC_REDUCTION_FINI,
	GOACC_REDUCTION_TEADOWN): Replace with ...
	(GOACC_REDUCTION): ... this.
	* internal-fn.h (enum ifn_goacc_reduction_kind): New.
	* omp-low.c (lower_rec_input_clauses): Adjust OpenACC comment.
	(lower_oacc_reductions): Remove RID & LID, calculate
	offset. Adjust for IFN_GOACC_REDUCTION change.
	(default_goacc_reduction): Don't return bool.  Adjust for argument
	shift.
	(execute_oacc_device_lower): Adjust for IFN_GOACC_REDUCTION
	change.
	* target.def (goacc_reduction): Adjust hook.
	* targhooks.h (default_goacc_reduction): Return void.
	* config/nvptx/nvptx.c (worker_red_hwm): Rename to ...
	(worker_red_size): ... here.
	(var_red_t, struct loop_red, loop_reds): Delete.
	(nvptx_reorg_reductions): Delete.
	(nvptx_reorg): Don't reorg reductoins.
	(nvptx_file_end): Adjust worker reduction size name.
	(nvptx_expand_worker_addr): Reimplement.
	(nvptx_init_builtins): Adjust WORKER_ADDR prototype.
	(nvptx_get_worker_red_addr): Reimplement.
	(nvptx_goacc_reduction_setup, nvptx_goacc_reduction_init,
	nvptx_goacc_reduction_fini, nvptx_goacc_reduction_teardown): Don't
	return bool.  Adjust for argument shift & worker offset
	processing.
	(nvptx_goacc_reduction): Adjust.

2015-10-26  Nathan Sidwell  <nathan@codesourcery.com>

	* internal-fn.c (expand_UNIQUE, expand_GOACC_DIM_SIZE,
	expand_GOACC_DIM_POS): Use targetm to discover and generate insns.
	* target-insns.def (oacc_dim_pos, oacc_dim_size, oacc_fork,
	oacc_join, unique): Define insns.

2015-10-26  Nathan Sidwell  <nathan@codesourcery.com>

	* internal-fn.c (expand_UNIQUE): Protect fork & join inside
	combined if defined.

2015-10-25  Nathan Sidwell  <nathan@codesourcery.com>

	* internal-fn.def (IFN_UNIQUE): Not a leaf.
	(IFN_UNIQUE, IFN_GOACC_LOOP): Move sub codes to ...
	* internal-fn.h (enum ifn_unique_kind, enum ifn_goacc_loop_kind):
	... here.  New enums.
	* internal-fn.c (expand_UNIQUE): Deal with data dependency var.
	* tree-cfg.c (gimple_call_initialize_ctrl_altering): Check for
	unique internal fn call.
	* config/nvptx/nvptx.md (oacc_fork, oacc_join): Deal with data
	dependency src & dest.
	* config/nvptx/nvptx.c (nvptx_xform_fork_join): Rename to ...
	(nvptx_goacc_fork_join): ... here.  Skip date dependency arg.
	* tracer.c (ignore_bb_p): Just look at last stmt for UNIQUE.
	* omp-low.c  (lower_oacc_head_mark): Take data dependency arg.
	Use quick_push.
	(lower_oacc_loop_marker): Take data dependency arg.
	(lower_oacc_head_tail): Insert data dependency var.
	(new_oacc_loop): Adjust arg numbering.
	(dump_oacc_loop_part): Cope with block-straddling sequences.
	(oacc_loop_discover_walk): Likewise.
	(oacc_loop_xform_head_tail): Likewise.
	(execute_oacc_device_lower): Use two bools for scanning &
	deletion.

2015-10-21  Nathan Sidwell  <nathan@codesourcery.com>

	* omp-low.c (check_omp_nesting_restrictions): Correctly check
	OpenACC loop nesting.

2015-10-20  Nathan Sidwell  <nathan@codesourcery.com>

	* lto-cgraph.c (input_overwrite_node): Cleanup openacc diagnostic
	emission.

2015-10-20  Nathan Sidwell  <nathan@codesourcery.com>

	* omp-low.c (expand_oacc_for): Use -1 for unspecified static
	chunking.  Remove unnecessary gimple forcing.
	(oacc_xform_loop): Adjust chunk size calculation.  Don't chunk on
	host.

2015-10-19  Nathan Sidwell  <nathan@codesourcery.com>

	* omp-low.c (scan_omp_for): Combine OpenACC conditional.
	(expand_oacc_get_num_threads, expand_oacc_get_thread_num): Delete.
	(oacc_thread_numbers): New.
	(oacc_xform_loop): Correct comment, Use oacc_thread_numbers.

2015-10-19  Nathan Sidwell  <nathan@codesourcery.com>

	* omp-low.c (oacc_loop_auto_partitions): New.
	(oacc_loop_partition): Call it.

2015-10-19  Tom de Vries  <tom@codesourcery.com>

	* tree-parloops.c (parallelize_loops): Do not parallelize loops in
	offloaded functions.

2015-10-19  Nathan Sidwell  <nathan@codesourcery.com>

	* omp-low.c (struct omp_region): Remove gwv_this field.
	(struct omp_context): Remove gwv_this and gwv_belop fields.
	(struct oacc_loop): Add marker field.
	(enum oacc_loop): Adjust OLF_DIM_BASE initializer.
	(extract_oacc_loop_mask): Delete.
	(extrac_oacc_routine_gwv): Delete.
	(oacc_loop_or_target_p): Delete.
	(check_oacc_kernel_gwv): New.
	(scan_omp_for): Remove OpenACC gwv mask handling.  Check gang,
	worker, vector argments.
	(scan_omp_1_stmt): Remove OpenACC gwv mask checking.
	(lower_oacc_head_mask): Set OLF_AUTO whenever possible. Ensure 1
	level of headers.
	(find_omp_for_region_gwv): Delete.
	(find_omp_for_region_data): Remove gwv setting.  Only set
	independent field for kernels.
	(find_omp_target_region_data): Delete.
	(build_omp_regions_1): Set region kind here.
	(new_oacc_loop_raw): Initialize marker field.
	(new_oacc_loop): Likewise.  Don't set mask here.
	(new_oacc_loop_routine): Set marker field.
	(dump_oacc_loop): Dump marker.
	(oacc_loop_walk): Rename to ...
	(oacc_loop_discover_walk): ... here.  Adjust head & tail
	recording.
	(oacc_loop_sibling_nreverse): New.
	(oacc_loop_discovery): Reverse siblings.  Don't dump loops here.
	(oacc_loop_process): Adjust & remove asserts.
	(oacc_loop_fixed_partitions): New.
	(oacc_loop_partition): New.
	(execute_oacc_device_lower): Partition loops, neuter unused loop
	heads & tails.

2015-10-16  Nathan Sidwell  <nathan@codesourcery.com>

	* omp-low.c (build_outer_var_ref): Just check for openacc function
	attrib.
	(pass_oacc_device_lower::execute): Don't inhibit if errors have
	happened.

2015-10-16  Tom de Vries  <tom@codesourcery.com>

	* tree-pretty-print.c (dump_omp_clause): Handle bind clause.

2015-10-16  Tom de Vries  <tom@codesourcery.com>

	* tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_NOHOST.  Fix
	infinite recursion in default label.

2015-10-16  Tom de Vries  <tom@codesourcery.com>

	* tree-pretty-print.c (dump_omp_clause): Handle device-resident
	and link map kinds.

2015-10-16  Tom de Vries  <tom@codesourcery.com>

	* omp-low.c (check_omp_nesting_restrictions): Check for oacc region in
	oacc routine.

2015-10-15  Nathan Sidwell  <nathan@codesourcery.com>

	* omp-low.c (execute_oacc_device_lower): Move later in file.

	* omp-low.c (lower_oacc_reductions): Check outer context is a
	target before lookup.

2015-10-15  Nathan Sidwell  <nathan@codesourcery.com>

	* omp-low.c (struct oacc_loop): Add chunk_size and head_end
	fields.
	(extract_omp_for_data): Don't extract OpenACC partitioning or
	chunk size here.
	(lower_oacc_head_mark): Substitute gang_static size.
	(expand_oacc_for): Don't specify parallel region chunking or
	partitioning here.
	(oacc_xform_loop): Stride a single worker partition.  Add
	conversions for chunk size.
	(new_oacc_loop_raw): Initialize new fields.
	(new_oacc_loop): Set chunk_size.
	(oacc_loop_walk): Set head_end.
	(oacc_loop_xform_loop): New.
	(oacc_loop_process): Call it.

2015-10-14  Nathan Sidwell  <nathan@codesourcery.com>

	* omp-low.c (lower_reduction_clauses): Correct comment, remove
	unreachable code.

2015-10-14  Tom de Vries  <tom@codesourcery.com>

	backport from trunk:
	PR tree-optimization/67476
	2015-10-13  Tom de Vries  <tom@codesourcery.com>

	* doc/invoke.texi (@item parloops-schedule): New item.
	* params.def (PARAM_PARLOOPS_SCHEDULE): New DEFPARAMENUM5.
	* tree-parloops.c: Include params-enum.h.
	(create_parallel_loop): Handle PARAM_PARLOOPS_SCHEDULE.

2015-10-14  Tom de Vries  <tom@codesourcery.com>

	backport from trunk:
	2015-10-13  Tom de Vries  <tom@codesourcery.com>

	* Makefile.in (PARAMS_H, PLUGIN_HEADERS): Add params-enum.h.
	* params-enum.h: New file.
	* opts.c (handle_param): Handle case that param arg is a string.
	* params-list.h: Handle DEFPARAMENUM5 in params.def.
	* params.c (find_param): New function, factored out of ...
	(set_param_value): ... here.
	(param_string_value_p): New function.
	* params.h (struct param_info): Add value_names field.
	(find_param, param_string_value_p): Declare.

2015-10-14  Tom de Vries  <tom@codesourcery.com>

	backport from trunk:
	PR tree-optimization/67476
	2015-10-13  Tom de Vries  <tom@codesourcery.com>

	* omp-low.c (expand_omp_for_generic): Handle original loop tree.

2015-10-14  Tom de Vries  <tom@codesourcery.com>

	backport from trunk:
	PR tree-optimization/67476
	2015-10-12  Tom de Vries  <tom@codesourcery.com>

	* omp-low.c (expand_omp_for_generic): Add missing phis.

2015-10-14  Tom de Vries  <tom@codesourcery.com>

	backport from trunk:
	PR tree-optimization/67476
	2015-10-12  Tom de Vries  <tom@codesourcery.com>

	* omp-low.c (expand_omp_for_generic): Handle simple latch.

2015-10-14  Nathan Sidwell  <nathan@codesourcery.com>

	* omp-low.c (struct oacc_loop): Add more fields.
	(enum oacc_loop_flags): New.
	(lower_oacc_head_mark): New.
	(lower_oacc_loop_marker): Change meaning of 2nd parameter.
	(lower_oacc_head_tail): Call lower_oacc_head_mark, adjust.
	(new_oacc_loop_raw): Initialize new fields.
	(new_oacc_loop): Extract flags and mask from marker function.
	(new_oacc_loop_routine): New.
	(finish_oacc_loop): Remove tail parameter.
	(dump_oacc_loop_part, dump_oacc_loop): Adjust for new fields.
	(oacc_loop_walk): Collect markers for same loop into single loop
	structure.  Notice routines.
	(oacc_loop_transform): Rename to ...
	(oacc_loop_xform_head_tail): ... here.
	(oacc_loop_process): Assign partitioning levels to head & tail
	sequences.

2015-10-13  Tom de Vries  <tom@codesourcery.com>

	Revert:
	2015-04-21  Tom de Vries  <tom@codesourcery.com>

	* tree-ssa-sccvn.c: Include omp-low.h.
	(visit_use): Handle .omp_data_i init conservatively.

2015-10-13  Tom de Vries  <tom@codesourcery.com>

	* tree-ssa-dom.c (pass_dominator_oacc_kernels::clone): New function.
	* passes.def: Move pass group pass_oacc_kernels to before pass_fre. Add
	pass_dominator_oacc_kernels twice in the pass_oacc_kernels pass group.

2015-10-13  Nathan Sidwell  <nathan@codesourcery.com>

	* internal-fn.def (IFN_UNIQUE_OACC_HEAD_MARK,
	IFN_UNIQUE_TAIL_MARK): New.
	* omp-low.c (struct oacc_loop): New.
	(lower_oacc_reductions): Change DIM argument to LEVEL.
	(lower_oacc_loop_marker): New.
	(lower_oacc_head_tail): Insert loop head and tail markers.
	(lower_omp_target): Adjust lower_oacc_reductions call.
	(new_oacc_loop_raw, new_oacc_loop_outer, new_oacc_loop,
	finish_oacc_loop, free_oacc_loop): New.
	(dump_oacc_loop_part, dump_oacc_loop, debug_oacc_loop): New.
	(oacc_loop_walk, oacc_loop_discovery): New.
	(oacc_loop_transform, oacc_loop_process): New.
	(execute_oacc_device_lower): Discover and process loops.

2015-10-12  Tom de Vries  <tom@codesourcery.com>

	* omp-low.c (is_oacc_kernels): New function.
	(lower_omp_target): Insert gang-pos at start of kernels region.
	(execute_oacc_device_lower): Handle IFN_GOACC_DIM_POS without result.
	* tree-parloops.c (create_parallel_loop): Don't expect
	single_pred_p (bb) if oacc_kernels_p.
	(oacc_entry_exit_ok_1): Add and handle reduction_stores parameter.
	(oacc_entry_exit_single_gang): New function.
	(oacc_entry_exit_ok): Call oacc_entry_exit_single_gang.

2015-10-12  Tom de Vries  <tom@codesourcery.com>

	* omp-low.c (lower_omp_for): Don't call lower_oacc_head_tail for oacc
	kernels regions.
	* tree-parloops.c (try_create_reduction_list): Initialize keep_res
	field.
	(dead_load_p, ref_conflicts_with_region, oacc_entry_exit_ok_1)
	(oacc_entry_exit_ok): New function.
	(parallelize_loops): Call oacc_entry_exit_ok.

2015-10-12  Tom de Vries  <tom@codesourcery.com>

	* omp-low.c (get_bbs_in_oacc_kernels_region): New function.
	* omp-low.h (get_bbs_in_oacc_kernels_region): Declare.

2015-10-12  Tom de Vries  <tom@codesourcery.com>

	* passes.def: Add pass_dominator_oacc_kernels to pass group
	pass_oacc_kernels.
	Add pass_tree_loop_done before, and pass_tree_loop_init after.
	* tree-pass.h (make_pass_dominator_oacc_kernels): Declare.
	* tree-ssa-dom.c (class dominator_base): New class.  Factor out of ...
	(class pass_dominator): ... here.
	(pass_dominator_oacc_kernels): New pass.
	(make_pass_dominator_oacc_kernels): New function.

2015-10-12  Tom de Vries  <tom@codesourcery.com>

	* omp-low.c (get_oacc_kernels_region_exit, get_omp_data_i): New
	function.
	(oacc_kernels_region_entry_p): New function. Factor out of ...
	(gimple_stmt_omp_data_i_init_p): ... here.
	* omp-low.h (get_oacc_kernels_region_exit, oacc_kernels_region_entry_p)
	(get_omp_data_i): Declare.

2015-10-12  Tom de Vries  <tom@codesourcery.com>

	* tree-ssa-dom.c (dom_opt_dom_walker::set_skip_stmt): New function.
	(dom_opt_dom_walker::m_skip_stmt): New private var.
	(pass_dominator::get_sese): Add skip_stmt parameters.
	(pass_dominator::execute): Call set_skip_stmt with statement to skip for
	sese.
	(dom_opt_dom_walker::before_dom_children): Handle m_skip_stmt.

2015-10-12  Tom de Vries  <tom@codesourcery.com>

	* tree-ssa-dom.c (pass_dominator::jump_threading_p): Handle sese_mode_p.
	(pass_dominator::sese_mode_p, pass_dominator::get_sese): New protected
	virtual function.
	(pass_dominator::execute): Handle sese_mode_p.

2015-10-12  Tom de Vries  <tom@codesourcery.com>

	* domwalk.c (dom_walker::walk): Rename to ...
	(dom_walker::walk_until): ... this.  Add and handle until and
	until_inclusive parameters.
	(dom_walker::walk): Reimplement using dom_walker::walk_until.
	* domwalk.h (dom_walker::walk_until): Declare.

2015-10-12  Tom de Vries  <tom@codesourcery.com>

	* tree-ssa-dom.c (dom_opt_dom_walker::dom_opt_dom_walker): Add
	jump_threading_p parameters.
	(dom_opt_dom_walker::m_jump_threading_p): New private var.
	(pass_dominator::jump_threading_p): New protected virtual function.
	(pass_dominator::execute): Handle jump_threading_p.
	(dom_opt_dom_walker::before_dom_children)
	(dom_opt_dom_walker::after_dom_children): Handle m_jump_threading_p.

2015-10-12  Nathan Sidwell  <nathan@codesourcery.com>

	* omp-low.c (expand_omp_for_static_nochunk): Remove OpenACC
	pieces.
	(expand_omp_for_static_chunk): Likewise,
	(struct oacc_collapse): New.
	(expand_oacc_collapse_init, expand_oacc_collapse_vars): New.
	(expand_oacc_for): New.
	(expand_omp_for): Call expand_oacc_for for OpenACC loops.
	(oacc_xform_loop): New.
	(execute_oacc_device_lower): Call it.
	* internal-fn.def (GOACC_LOOP): New internal fn.
	(IFN_GOACC_LOOP_CHUNKS, IFN_GOACC_LOOP_STEP,
	IFN_GOACC_LOOP_OFFSET, IFN_GOACC_LOOP_BOUND): New.
	* internal-fn.c (expand_GOACC_LOOP): New.

2015-10-11  Nathan Sidwell  <nathan@codesourcery.com>

	* internal-fn.def (IFN_UNIQUE_UNSPEC, IFN_UNIQUE_OACC_FORK,
	IFN_UNIQUE_OACC_JOIN): Move to IFN_UNIQUE definition.
	* internal-fn.c (expand_GOACC_REDUCTION_*): Correct comments.

2015-10-09  James Norris  <jnorris@codesourcery.com>

	Backport from trunk:
	2015-10-09  James Norris  <jnorris@codesourcery.com>
	* config/rs6000/rs6000.c (rs6000_offload_options): New.
	(TARGET_OFFLOAD_OPTIONS): New.

2015-10-09  Nathan Sidwell  <nathan@acm.org>

	* config/nvptx/nvptx.c (nvptx_init_axis_predicate): Fix output
	formatting.

	PR 67861
	* gimple-fold.c (gimple_fold_builtin): Add break after
	BUILT_IN_PRINTF_CHK, BUILT_IN_VPRINTF_CHK folding.

2015-10-09 James Norris  <jnorris@codesourcery.com>

	Revert:
	2015-10-06 James Norris  <jnorris@codesourcery.com>

	* common.opt (OFFLOAD_ABI_PPC64): New enum.
	* config/nvptx/mkoffload.c (compile_native): Handle new enum.
	(main): Handle new option.
	* config/rs6000/rs6000.c (rs6000_offload_options): New hook.
	* gcc/coretypes.h (OFFLOAD_ABI_PPC64): New enum.

2015-10-08  Tom de Vries  <tom@codesourcery.com>

	* omp-low.c (expand_omp_for_init_counts): Add inits for counters in
	zero_iter_bb.
	(expand_omp_for_generic): Remove TREE_NO_WARNING setttings on counters.

2015-10-07 James Norris  <jnorris@codesourcery.com>

	Backport from trunk:
	2015-10-07  James Norris  <jnorris@codesourcery.com>
	* testsuite/lib/atomic-dg.exp (atomic_link_flags): Move flag setting
	to atomic_init. (atomic_init): Restrict flags usage.

2015-10-06 James Norris  <jnorris@codesourcery.com>

	* common.opt (OFFLOAD_ABI_PPC64): New enum.
	* config/nvptx/mkoffload.c (compile_native): Handle new enum.
	(main): Handle new option.
	* config/rs6000/rs6000.c (rs6000_offload_options): New hook.
	* gcc/coretypes.h (OFFLOAD_ABI_PPC64): New enum.

2015-10-05  Thomas Schwinge  <thomas@codesourcery.com>

	* config/nvptx/mkoffload.c (main): Don't explicitly pass "-lgomp"
	to the offload compiler.

2015-10-01  Nathan Sidwell  <nathan@codesourcery.com>

	* builtins.c: Don't include gomp-constants.h.
	(fold_builtin_1): Don't fold acc_on_device here.
	* gimple-fold.c: Include gomp-constants.h.
	(gimple_fold_builtin_acc_on_device): New.
	(gimple_fold_builtin): Call it.

2015-10-01  Nathan Sidwell  <nathan@codesourcery.com>

	* config/nvptx/nvptx.c (nvptx_validate_dims): Rename to ...
	(nvptx_goacc_validate_dims): ... here.
	(TARGET_GOACC_VALIDATE_DIMS): Update.
	* target.def (validate_dims): Expand documentation.
	* omp-low.c (default_goacc_validate_dims): Remove erroneous ARG_UNUSED.
	* doc/tm.texi: Rebuild.

2015-10-01  Thomas Schwinge  <thomas@codesourcery.com>

	* config/nvptx/nvptx.c (nvptx_xform_lock): Remove function.

2015-09-30  Thomas Schwinge  <thomas@codesourcery.com>

	* tree-cfg.c (replace_ssa_name): Revert obsolete changes.

2015-09-30  Tom de Vries  <tom@codesourcery.com>

	* omp-low.c (release_dangling_ssa_names): Remove.
	(pass_omp_expand_ssa::execute): Remove call to
	release_dangling_ssa_names.

2015-09-30  Tom de Vries  <tom@codesourcery.com>

	Revert:
	2015-08-05  Tom de Vries  <tom@codesourcery.com>

	* omp-low.c (release_dangling_ssa_names): Release SSA_NAMEs with NULL
	def stmt.
	* tree-cfg.c (replace_ssa_name): Don't move default def nops.  Set def
	stmt of unused SSA_NAME to NULL.

2015-09-29  Cesar Philippidis  <cesar@codesourcery.com>

	* omp-low.c (check_omp_nesting_restrictions): Update the error
	message for loops not affliated with acc compute regions.

2015-09-29  Nathan Sidwell  <nathan@codesourcery.com>
	    Cesar Philippidis  <cesar@codesourcery.com>

	* passes.def: Rename pass_oacc_transform to pass_oacc_device_lower.
	* tree-pass.h (make_pass_oacc_transform): Rename to ...
	(make_pass_oacc_device_lower): ... here.
	* doc/invoke/texi (oaccdevlow): Document tree dump flag.
	* omp-low.c (execute_oacc_transform): Rename to ...
	(execute_oacc_device_lower): ... here.
	(pass_data pass_data_oacc_transform): Rename to ...
	(pass_data pass_data_oacc_device_lower): ... here. Adjust name.
	(class pass_oacc_transform): Rename to ...
	class pass_oacc_device_lower): ... here.
	(make_pass_oacc_transform): Rename to ...
	(make_pass_oacc_device_lower): ... here.

2015-09-29  Nathan Sidwell  <nathan@codesourcery.com>

	* omp-low.c (oacc_xform_on_device): Delete.
	(oacc_xform_dim): Return bool.
	(execute_oacc_transform): Don't handle acc_on_device here.  Adjust
	rescan logic.
	* builtins.c (expand_builtin_acc_on_device): Delete.
	(expand_builtin): Do not call it.
	(fold_builtin_1): Fold acc_on_device.

2015-09-29  Tom de Vries  <tom@codesourcery.com>

	* omp-low.c (ctx_in_oacc_kernels_region): Make static.  Add missing
	function header comment.

2015-09-29  Tom de Vries  <tom@codesourcery.com>

	* omp-low.c (expand_omp_for_generic): Only set address taken for
	istart0 and end0 unless necessary.

2015-09-29  Tom de Vries  <tom@codesourcery.com>

	* omp-low.c (ctx_in_oacc_kernels_region): New function.
	(scan_omp_for): Filter out reduction clauses in kernels region.

2015-09-28  Cesar Philippidis  <cesar@codesourcery.com>

	* omp-low.c (check_omp_nesting_restrictions): Check for acc loops not
	associated with acc regions or routines.

2015-09-28  Nathan Sidwell  <nathan@codesourcery.com>

	* target.def (GOACC_LOCK): Delete hook.
	* doc/tm.texi.in (TARGET_GOACC_LOCK): Delete.
	* doc/tm.texi: Rebuilt.
	* targhooks.h (default_goacc_lock): Delete.
	* internal-fn.def (GOACC_LOCK,  GOACC_UNLOCK, GOACC_LOCK_INIT): Delete.
	* internal-fn.c (expand_GOACC_LOCK, expand_GOACC_UNLOCK,
	expand_GOACC_LOCK_INIT): Delete.
	* omp-low.c (lower_oacc_reductions): Remove locking.
	(execute_oacc_transform): Remove lock transforming.
	(default_goacc_lock): Delete.
	
	* config/nvptx/nvptx-protos.h (nvptx_expand_oacc_lock): Delete.
	* config/nvptx/nvptx.md (oacc_lock, oacc_unlock, oacc_lock_init):
	Delete.
	(nvptx_spin_lock, nvptx_spin_reset): Delete.
	* config/nvptx/nvptx.c (LOCK_GLOBAL, LOCK_SHARED, LOCK_MAX): Delete.
	(lock_names, lock_space, lock_level, lock_used): Delete.
	(force_global_locks): Delete.
	(nvptx_option_override): Do not initialize lock syms.
	(nvptx_expand_oacc_lock): Delete.
	(nvptx_file_end): Do not finalize locks.
	(TARGET_GOACC_LOCK): Delete.

2015-09-28  Nathan Sidwell  <nathan@codesourcery.com>

	* config/nvptx/nvptx.md (atomic_compare_and_swap<mode>_1,
	atomic_exchange<mode>): Incoming values can be constants.
	* config/nvptx/nvptx.c (nvptx_expand_swap): Delete.
	(nvptx_expand_cmp_swap): Force operands into regs.
	(enum nvptx_builtins): Delete SWAP and SWAPLL.
	(nvptx_init_builtins): Likewise.
	(nvptx_expand_builtin): Likewise.
	(nvptx_xform_lock): Always return true.
	(nvptx_get_worker_red_addr): No need to deal with QI and HI modes.
	(nvptx_generate_vector_shuffle): Tweak.
	(nvptx_lockless_update): New.
	(nvptx_goacc_reduction_setup): Remove bitrotted description, add
	comments.
	(nvptx_goacc_reduction_teardown, nvptx_goacc_reduction_init): Likewise.
	(nvptx_goacc_reduction_fini): Likewise.  Call lockless update.

2015-09-26  Tom de Vries  <tom@codesourcery.com>

	* omp-low.c (mark_loops_in_oacc_kernels_region): Don't parallelize the
	kernels region if it contains more than one outer loop.

2015-09-25  Tom de Vries  <tom@codesourcery.com>

	* tree-parloops.c (parallelize_loops): Skip inner loops in oacc kernels
	region.

2015-09-24  Nathan Sidwell  <nathan@codesourcery.com>

	* config/nvptx/nvptx.c (struct builtin_description): Delete.
	(nvptx_expand_shuffle_down): Rename to ...
	(nvptx_expand_shuffle): ... here.  add additional arg for type of
	shuffle.
	(nvptx_expand_work_red_addr): Rename to ...
	(nvptx_expand_worker_addr): ... here.
	(nvptx_expand_swap): New.
	(nvptx_expand_cmp_swap): New.
	(enum nvptx_types): Delete.
	(enum nvptx_builtins): Rename builtins.  Remove float mode
	shuffles, add SWAP and CMP_SWAP.
	(builtins): Delete.
	(nvptx_init_builtins): Reimplement.
	(nvptx_expand_builtin): Likewise.
	(nvptx_get_worker_red_addr): Adjust.
	(nvptx_generate_vector_shuffle): Adjust.

2015-09-24  Nathan Sidwell  <nathan@codesourcery.com>

	* config/nvptx/nvptx.c (nvptx_expand_work_red_addr): Args 0 & 1
	are size and alignment of allocation.
	(nvptx_types): Delete  NT_UINTPTR_UINT_UINT, NT_ULLPTR_UINT_UINT,
	NT_FLTPTR_UINT_UINT, NT_DBLPTR_UINT_UINT.  Add
	NT_PTR_UINT_UINT_UINT_UINT.
	(nvptx_builtins): Delete __builtin_nvptx_work_red_addrll,
	__builtin_nvptx_work_red_addrf,
	_builtin_nvptx_work_red_addrd. Adjust
	__builtin_nvptx_work_red_addr type.
	(nvptx_init_builtins): Adjust.
	(nvptx_get_worker_addr_fn): Rename to ...
	(nvptx_get_worker_red_addr): ... here.  Use single builtin and
	cast return type.
	(nvptx_goacc_reduction_setup, nvptx_goacc_reduction_fini,
	nvptx_goac_reduction_teardown): Adjust.

2015-09-23  Cesar Philippidis  <cesar@codesourcery.com>

	* omp-low.c (lower_omp_for): Don't remap OMP_CLAUSE_COLLAPSE
	because it always a constant value.

2015-09-23  Nathan Sidwell  <nathan@codesourcery.com>

	* target.def: GOACC hooks take gcall arg.
	* doc/tm.texi: Regenerate.
	* targhooks.h (default_goacc_reduction, default_goacc_fork_join,
	default_coacc_lock): Gimple is a gcall pointer.
	* omp-low.c (oacc_xform_on_device): Arg is a gcall.  Adjust.
	(oacc_xform_dim): Likewise.
	(execute_oacc_transform): Adjust to pass gcall pointer to worker
	functions.  Handle rescan immediately.
	(default_goacc_reduction, default_goacc_fork_join,
	default_coacc_lock): Gimple is a gcall pointer.
	*  config/nvptx/nvptx.c (nvptx_xform_fork_join,
	nvptx_xform_lock, nvptx_goacc_reduction_setup,
	nvptx_goacc_reduction_init, nvptx_goacc_reduction_fini, 
	nvptx_goacc_reduction_teardown, nvptx_goacc_reduction): Argument
	is a gcall, adjust.

2015-09-23  Cesar Philippidis  <cesar@codesourcery.com>

	* omp-low.c (lower_omp_for): Remap any variables present in
	OMP_CLAUSE_GANG, OMP_CLAUSE_WORKER, OMP_CLAUSE_VECTOR and
	OMP_CLAUSE_COLLAPSE becuase they will be used later by expand_omp_for.

2015-09-23  Nathan Sidwell  <nathan@codesourcery.com>

	* config/nvptx/nvptx.c (nvptx_generate_vector_shuffle):
	Reimplement using integer builtins and VIEW_CONVERT_EXPR.
	(nvptx_goacc_reduction_fini): Pass location to
	nvptx_generate_vector_shuffle.

2015-09-23  Thomas Schwinge  <thomas@codesourcery.com>

	* config/nvptx/nvptx.c (nvptx_file_start): Don't print declaration
	of sdata.
	* omp-low.c (align_and_expand): Remove function.

2015-09-22  Cesar Philippidis  <cesar@codesourcery.com>

	* gimplify.c (oacc_default_clause): Inspect pointer types when
	determining implicit data mappings.

2015-09-22  Nathan Sidwell  <nathan@codesourcery.com>

	* omp-low.c (oacc_lid, oacc_gang_reduction_init,
	oacc_gang_reduction_fini): Delete.
	(lower_oacc_reductions): Reimplement to generate all 4 reduction
	functions in one go.
	(oacc_fake_gang_reduction): Delete.
	(lower_oacc_head_tail): New. Create both head and tail sequences
	in one go.
	(lower_oacc_loop_helper): Delete.
	(lower_reduction_clauses): Don't lower oacc reductions here.
	(lower_oacc_loop_enter_exit): Delete.
	(lower_omp_for): Update to use lower_oacc_head_tail.
	(lower_omp_target): Update for lower_oacc_reductions change.
	* gimplify.c (localize_reductions): Remove default arg, update
	callers.  Always localize reference reductions.l
	* config/nvptx/nvptx.c (nvptx_goacc_reduction_setup): Check for
	receiver object read for non-gang reductions.
	(nvptx_goacc_reduction_teardown): Likewise.
	(nvptx_goacc_reduction_init): Copy var for gang reductions lacking
	a receiver object.
	(nvptx_goacc_reduction_fini): Likewise.

2015-09-22  Thomas Schwinge  <thomas@codesourcery.com>

	* tree-parloops.c (initialize_reductions): Remove local variable
	bvar.

2015-09-18  Nathan Sidwell  <nathan@codesourcery.com>

	* omp-low.h (omp_reduction_init_op): Declare.
	* omp-low.c (omp_reduction_init_op): New, broken out of ...
	(omp_reduction_init): ... here.  Call it.
	* tree-parloops.c (initialize_reductions): Use
	omp_redutction_init_op.
	* config/nvptx/nvptx.c (nvptx_shuffle_reduction): Fold into only
	caller.
	(nvptx_goacc_reduction_setup, nvptx_goacc_reduction_init,
	nvptx_goacc_reduction_fini, goacc_reduction_teardown): Reimplement
	& simplify.

2015-09-18  Nathan Sidwell  <nathan@codesourcery.com>

	* omp-low.c (default_goacc_reduction): Move to other default
	handlers, reimplement to simplify.
	(default_goacc_reduction_setup, default_goacc_reduction_teardown,
	default_goacc_reduction_init_fini): Remove.

2015-09-18  Thomas Schwinge  <thomas@codesourcery.com>

	* target.def <goacc> (validate_dims, dim_limit, fork_join, lock):
	Spell out the formal parameters' names.  Fix typos.
	* doc/tm.texi: Regenerate.

2015-09-16  Nathan Sidwell  <nathan@codesourcery.com>

	* omp-low.c (oacc_validate_dims): New function, broken out of ...
	(execute_oacc_transform): ... here.  Call it.

2015-09-16  Nathan Sidwell  <nathan@codesourcery.com>

	* omp-low.c (lower_oacc_reductions): Remove dead initialization
	and unreachable code.

2015-09-14  Nathan Sidwell  <nathan@codesourcery.com>

	* gimple.h (gimple_call_internal_unique_p): Make inline.
	* internal-fn.def (UNIQUE): New.
	(GOACC_FORK, GOACC_JOIN): Delete.
	(IFN_UNIQUE_UNSPEC, IFN_UNIQUE_OACC_FORK,
	IFN_UNIQUE_OACC_JOIN): Define.
	* internal-fn.c (gimple_call_internal_unique_p): Delete.
	(expand_UNIQUE): New.  Absorb ...
	(expand_GOACC_FORK, expand_GOACC_JOIN): ... these.  Delete.
	* omp-low.c (lower_oacc_loop_helper): Emit IFN_UNIQUE call.
	(lower_pacc_loop_enter_exit): Adjust.
	(execute_oacc_transform): Check IFN_UNIQUE for fork & join.
	* config/nvptx/nvptx.c (nvptx_xform_fork_join): Adjust arg
	position.

2015-09-14  Nathan Sidwell  <nathan@codesourcery.com>

	* omp-low.c (lower_oacc_loop_enter_exit): Use separate loops for
	entry and for exit.

2015-09-14  James Norris  <jnorris@codesourcery.com>

	* varpool.c (make_offloadable): Handle link variable in routine.

2015-09-11  Nathan Sidwell  <nathan@codesourcery.com>

	Implement SESE block neutering optimization.
	* config/nvptx/nvptx.c (bb_pair_t, bb_pair_vec_t,
	pseudo_node_t): New typdefs.
	(struct bracket): New struct.
	(bracket_vec_t): New typedef.
	(struct bb_sese): New struct.
	(bb_sese:~bb_sese, bb_sese::append, bb_sese::remove): Member fns.
	(BB_SET_SESE, BB_GET_SESE): Local accessors.
	(nvptx_sese_number, nvptx_sese_pseudo, nvptx_sese_color): Worker
	fns for finding SESE regions.
	(nvptx_find_sese): SESE region finder.
	(nvptx_neuter_pars): Find & neuter SESE regions when optimizing.

2015-09-11  Cesar Philippidis  <cesar@codesourcery.com>

	* omp-low.c (build_outer_var_ref): Don't scan for outer contexts
	when the current context represents an acc parallel region.

2015-09-11  Nathan Sidwell  <nathan@codesourcery.com>

	* config/nvptx/nvptx.c (nvptx_emit_forking): Always emit fork.
	(bb_par_t, bb_par_vec_t): Delete.
	(nvptx_find_par): New recursive function. Broken out of ...
	(nvptx_discover_pars): ... here.  Call it.
	(nvptx_optimize_inner): Write to dump_file.

2015-09-11  James Norris  <jnorris@codesourcery.com>

	* config/nvptx/nvptx.c (nvptx_use_anchors_for_symbol): New
	(TARGET_USE_ANCHORS_FOR_SYMBOL_P): Override.

2015-09-10  Nathan Sidwell  <nathan@codesourcery.com>

	* config/nvptx/nvptx.c: Move df.h include earlier.
	(nvptx_emit_forking, nvptx_emit_joining): Move earlier.
	(nvptx_expand_call): Restore to earlier position in file.
	(nvptx_reorg_subreg): Pass PATTERN to asm_noperands.
	(nvptx_reorg): Expand some comments.

2015-09-10  Nathan Sidwell  <nathan@codesourcery.com>

	* config/nvptx/nvptx.c (nvptx_init_axis_predicate): New.
	(nvptx_declare_function_name): Initialize axis predicates.
	(nvptx_single): Use or init machine_function axis predicate.
	* config/nvptx/nvptx.h (struct machine_function): Add
	axis_predicate field.

2015-09-09  Nathan Sidwell  <nathan@codesourcery.com>

	* omp-low.c (execute_oacc_transform): Use integer_zerop, not
	direct node comparison.

2015-09-09  Nathan Sidwell  <nathan@codesourcery.com>

	Port from trunk:
	* config/nvptx/nvptx.md (allocate_stack): Emit sorry.
	(atomic_compare_and_swap<mode>_1): Use sel_truesi.
	* config/nvptx/nvptx.c (nvptx_write_function_decl): Reformat.
	(nvptx_reorg_subreg): Pass insn pattern to asm_operands.
	(walk_args_for_param): Use arg_promotion for both split and
	non-split args.
	(nvptx_declare_function_name): Insert formatting tabs for
	consistency.  Look at crtl->stack_alignment_needed to determine
	alignment.
	(nvptx_get_drap_rtx): New.
	(TARGET_GET_DRAP_RTX): Override.
	* config/nvptx/nvptx.h (MAX_STACK_ALIGNMENT): Set.

2015-09-09  Chung-Lin Tang  <cltang@codesourcery.com>

	* config/nvptx/nvptx.c (nvptx_xform_lock): Correct typo
	of variable 'force_global_locks'.

2015-09-08  Cesar Philippidis  <cesar@codesourcery.com>

	* config/nvptx/nvptx.c (force_global_lock): New global variable.
	(nvptx_expand_oacc_lock): Use it to workaround a shared memory lock
	problem.
	(nvptx_xform_lock): Likewise.

2015-09-01  Cesar Philippidis  <cesar@codesourcery.com>

	* config/nvptx/nvptx.c (nvptx_goacc_reduction_teardown): Allow
	lhs to be NULL for worker reductions too.
	* omp-low.c (lower_rec_input_clauses): Bail out on OpenACC reductions.
	(lower_oacc_reductions): Use maybe_lookup_decl for private reductions.
	Don't emit locks for fake private gang reductions.

2015-09-01  Tom de Vries  <tom@codesourcery.com>

	* tree-parloops.c (create_parallel_loop): Remove unused variable
	goacc_kernels_internal.

2015-09-01  Tom de Vries  <tom@codesourcery.com>

	* omp-low.c (align_and_expand): Mark as unused.

2015-09-01  Tom de Vries  <tom@codesourcery.com>

	* target.def: Fix unknown escape sequence 040 error in reduction
	DEFHOOK.
	* doc/tm.texi: Regenerate.

2015-09-01  Nathan Sidwell  <nathan@codesourcery.com>

	* config/nvptx/nvptx.md: Use tabs and operand spacing consistently
	throughout.
	(nvptx_spin_lock): Use set.
	(nvptx_spin_reset): Likewise.

2015-08-31  Nathan Sidwell  <nathan@codesourcery.com>

	* omp-low.c (expand_omp_target): Lose shared_size parameter.
	* omp-builtins.def (GOACC_KERNELS, GOACC_PARALLEL): Lose
	shared_size parameter.
	* builtin-types.def (DEF_FUNCTION_TYPE_VAR_6): Define.

	fortran/
	* f95-lang.c (DEF_FUNCTION_TYPE_VAR_6): Define.
	* types.def (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_VAR): Declare.
	(BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_SIZE_VAR): Delete.

	lto/
	* lto-lang.c (DEF_FUNCTION_TYPE_VAR_6): Define.

	c-family/
	* c-common.c (DEF_FUNCTION_TYPE_VAR_6): Define.
	
2015-08-28  Cesar Philippidis  <cesar@codesourcery.com>

	* omp-low.c (extract_oacc_routine_gwv): New function.
	(build_outer_var_ref): Handle refs inside acc routines.
	(scan_omp_for): Check nested parallelism inside acc routines.
	(scan_omp_1_stmt): Check for compatible parallelism when calling
	routines.
	(execute_oacc_transform): Remove dead variable.

2015-08-27  Cesar Philippidis  <cesar@codesourcery.com>

	* builtins.c (expand_oacc_ganglocal_ptr): Delete.
	(expand_builtin): Remove stale GOACC_GET_GANGLOCAL_PTR builtin.
	* config/nvptx/nvptx.md (ganglocal_ptr): Delete.
	* gimple.h (struct gimple_statement_omp_parallel_layout): Remove
	ganglocal_size member.
	(gimple_omp_target_ganglocal_size): Delete.
	(gimple_omp_target_set_ganglocal_size): Delete.
	* omp-builtins.def (BUILT_IN_GOACC_GET_GANGLOCAL_PTR): Delete.
	* omp-low.c (struct omp_context): Remove ganglocal_init, ganglocal_ptr,
	ganglocal_size, ganglocal_size_host, worker_var, worker_count and
	worker_sync_elt.
	(alloc_var_ganglocal): Delete.
	(install_var_ganglocal): Delete.
	(new_omp_context): Don't use ganglocal memory.
	(expand_omp_target): Likewise.
	(lower_omp_taskreg): Likewise.
	(lower_omp_target): Likewise.
	* tree-parloops.c (create_parallel_loop): Likewise.
	* tree-pretty-print.c (dump_omp_clause): Remove support for
	GOMP_MAP_FORCE_TO_GANGLOCAL

2015-08-26  Cesar Philippidis  <cesar@codesourcery.com>

	* omp-low.c (lower_oacc_reductions): Call GOACC_REDUCTION_INIT
	to initialize the gang and worker mutex.

2015-08-26  Cesar Philippidis  <cesar@codesourcery.com>

	* gimplify.c (struct privatize_reduction): New struct.
	(localize_reductions_r): New function.
	(localize_reductions): New function.
	(gimplify_omp_for): Use it.
	(gimplify_omp_workshare): Likweise.
	* omp-low.c (struct omp_context): Remove reduction_map and
	oacc_reduction_set. Add 'int reductions'.
	(oacc_gang_reduction_init): New gimple_seq to contain initialization
	code for fake gang reductions.
	(oacc_gang_reduction_fini): Ditto, but for finalization code.
	(extract_oacc_loop_mask): New function.
	(is_oacc_reduction_private): New function.
	(lookup_oacc_reduction): Delete.
	(maybe_lookup_oacc_reduction): Delete.
	(new_omp_context): Remove stale references to reduction_map.
	(delete_omp_context): Likewise.
	(scan_sharing_clauses): Don't populate the oacc_reduction_set
	or create a special ganglocal mapping for reductoins. Increment
	reductions.
	(scan_omp_for): Filter out reductions when they are going to be
	executed by a single thread.
	(scan_omp_target): Remove references to reduction_map.
	(gen_oacc_fork): Delete.
	(gen_oacc_join): Delete.
	(lower_rec_input_clauses): Ignore on OpenACC reductions.
	(lower_oacc_reductions): New function.
	(oacc_fake_gang_reduction): New function.
	(lower_oacc_loop_helper): New function.
	(lower_reduction_clauses): Update to use lower_oacc_reductions for
	OpenACC.
	(expand_omp_for_static_nochunk): Don't call gen_oacc_{fork,join}.
	(expand_omp_for_static_chunk): Likewise.
	(lower_oacc_loop_enter_exit): New function.
	(lower_omp_for): Hanle OpenACC reductions and insert fork/joins.
	(lower_omp_target): Handle non-loop OpenACC reductions.
	* tree-core.h (enum omp_clause_code): Document the new
	OMP_CLUASE_REDUCTION_PRIVATE_DECL argument to OMP_CLAUSE_REDUCTION.
	* tree.c (omp_clause_num_ops): Increment the number of operands
	for OMP_CLUASE_REDUCTIONS.
	* tree.h (OMP_CLAUSE_REDUCTION_PRIVATE_DECL): Define.

2015-08-26  Cesar Philippidis  <cesar@codesourcery.com>

	* config/nvptx/nvptx.c (enum nvptx_builtins): New enum.
	(NVPTX_BUILTIN_MAX): Delete.
	(nvptx_get_worker_red_addr_fn): New function.
	(nvptx_generate_vector_shuffle): New function.
	(nvptx_shuffle_reduction): New function.
	(nvptx_goacc_reduction_setup): New function.
	(nvptx_goacc_reduction_init): New function.
	(nvptx_goacc_reduction_fini): New function.
	(nvptx_goacc_reduction_teardown): New function.
	(nvptx_goacc_reduction): New function.

2015-08-26  Cesar Philippidis  <cesar@codesourcery.com>

	* doc/tm.texi: Regenerate.
	* doc/tm.texi.in: Add a placeholder for TARGET_GOACC_REDUCTION.
	* internal-fn.c (expand_GOACC_REDUCTION_SETUP): New function.
	(expand_GOACC_REDUCTION_INIT): New function.
	(expand_GOACC_REDUCTION_FINI): New function.
	(expand_GOACC_REDUCTION_TEARDOWN): New function.
	* internal-fn.def (DEF_INTERNAL_FN):
	* omp-low.c (GOACC_REDUCTION_SETUP, GOACC_REDUCTION_INIT,
	GOACC_REDUCTION_FINI, GOACC_REDUCTION_TEARDOWN): New internal
	functions.
	* omp-low.c (execute_oacc_transform): Expand those new internal
	functions.
	(make_pass_oacc_transform): Add TODO_cleanup_cfg to todo_flags_finish.
	(default_goacc_reduction_setup): New function.
	(default_goacc_reduction_init_fini): New function.
	(default_goacc_reduction_teardown): New function.
	(default_goacc_reduction): New function.
	* target.def (reduction): New goacc target hook.
	* targhooks.h (default_goacc_reduction): Declare

2015-08-25  Cesar Philippidis  <cesar@codesourcery.com>

	* tracer.c (ignore_bb_p): Change bb argument from const_basic_block
	to basic_block.  Check for non-clonable calls to internal functions.

2015-08-26  Nathan Sidwell  <nathan@codesourcery.com>

	* config/nvptx/nvptx.opt (moptimize): New flag.
	* config/nvptx/nvptx.c (nvptx_option_override): Default
	nvptx_optimize.
	(nvptx_optimmize_inner): New.
	(nvptx_process_pars): Call it.
	* doc/invoke.txi (Nvptx options): Document moptimize.

2015-08-25  Nathan Sidwell  <nathan@codesourcery.com>

	* targhooks.h (default_goacc_lock_unlock): Rename to ...
	(default_goacc_lock): ... here.  Adjust.
	* config/nvptx/nvptx.md (oacc_expand_lock, oacc_expand_unlock):
	Adjust call to lock expander.
	(oacc_expand_lock_init): New.
	(nvptx_spinlock, nvptx_spinunlock): Rename to ...
	(nvptx_spin_lock, nvtx_spin_reset): ... here.
	* config/nvptx/ntptx.c (nvptx_expand_oacc_lock_unlock): Rename to ...
	(nvptx_expand_oacc_lock): ... here.  Deal with init too.
	(nvptx_xform_lock_unlock): Rename to ...
	(nvptx_xform_lock): ... here.  Deal with init too.
	(TARGET_GOACC_LOCK_UNLOCK): Replace with ...
	(TARGET_GOACC_LOCK): ... this.
	* omp-low.c (exectute_oacc_transform): Deal with
	IFN_GOACC_LOCK_INIT.
	(default_goacc_lock_unlock): Rename to ...
	(default_goacc_lock): ... here.  Deal with init too.
	* internal-fn.c (expand_GOACC_LOCK_INIT): New.
	* internal-fn.def (GOACC_LOCK_INIT): New.
	* doc/tm.texi.in (TARGET_GOACC_LOCK_UNLOCK): Replace with ...
	(TARGET_GOACC_LOCK): ... this.
	* doc/tm.texi: Rebuilt.
	* target.def (goacc lock_unlock): Replace with ...
	(goacc lock): ... this.  Deal with init too.

2015-08-25  Nathan Sidwell  <nathan@codesourcery.com>

	* config/nvptx/nvptx.c (nvptx_emit_forking): Add is_call argument,
	propagate it into mask.
	(nvptx_emit_joining): Likewise.
	(nvptx_expand_call): Move emit_forking call to later.  Add is_call
	argument.
	(nvptx_expand_oacc_fork, nvptx_expand_oacc_join): Asjust calls.
	(nvptx_discover_pars): Don't look for predecessor insn in call
	forks and joins.
	(nvptx_process_pars): Don't emit propagation code for a call.

2015-08-24  Cesar Philippidis  <cesar@codesourcery.com>

	* gfortran.dg/goacc/routine-3.f90: New test.

2015-08-24  Cesar Philippidis  <cesar@codesourcery.com>

	* tree-nested.c (convert_nonlocal_omp_clauses): Handle
	OMP_CLAUSE_NUM_GANGS, OMP_CLAUSE_NUM_WORKERS and
	OMP_CLAUSE_VECTOR_LENGTH.
	(convert_local_omp_clauses): Likewise.

2015-08-24  Joseph Myers  <joseph@codesourcery.com>

	* gcc.c (driver_self_specs) [ENABLE_OFFLOADING]: Don't generate a
	-foffload option.
	(process_command): Call handle_foffload_option (OFFLOAD_TARGETS)
	if no offload target specified.

2015-08-22  Nathan Sidwell  <nathan@codesourcery.com>

	* omp-low.c (build_oacc_routine_dims): Size non-partitioned
	levels to 1.
	* config/nvptx/nvptx.c (nvptx_expand_call): Move later, emit
	forking and joining instructions.
	(nvptx_process_pars): Cope with both Worker and Vector being set.

2015-08-21  Nathan Sidwell  <nathan@codesourcery.com>

	* config/nvptx/nvptx.c (nvptx_validate_dims): Set vector length to
	32 always.

2015-08-21  Nathan Sidwell  <nathan@codesourcery.com>

	* config/nvptx/nvptx.md (oacc_fork, oacc_join): Adjust expand calls.
	* config/nvptx/nvptx.c (nvptx_emit_forking, nvptx_emit_joining): New.
	Broken out of ...
	(nvptx_expand_oacc_fork, nvptx_expand_oacc_join): ... here.
	Restore to take mode.

2015-08-21  Nathan Sidwell  <nathan@codesourcery.com>

	* config/nvptx/nvptx.md (call_operation): Remove partitioning
	handling.
	(oacc_fork, oacc_join): Adjust expand calls.
	* config/nvptx/nvptx.c (write_func_decl_from_isnsn): Remove
	partitioning handling.
	(nvptx_expand_call): Remove partitioning handling, generate mask
	instead.
	(nvptx_expand_oacc_fork, nvptx_expand_oacc_join): Take unsigned
	mask, not RTX and emit all necessary insns.
	(nvptx_output_call_insn): Remove partitioning handling.
	(struct parallel): Replace mode with mask.
	(nvptx_dump_pars): Adjust.
	(nvptx_discover_pars): Adjust for insns having mask not mode.
	(nvptx_process_pars): Adjust for parallel containing mask not
	mode.
	(nvptx_neuter_pars): Likewise.
	* config/nvptx/nvptx-protos.h (nvptx_expand_oacc_fork,
	nvptx_expand_oacc_join): Pass mask not rtx.

2015-08-20  Thomas Schwinge  <thomas@codesourcery.com>
	    Joseph Myers  <joseph@codesourcery.com>

	* doc/invoke.texi (-ffixed-@var{reg}): Document conflict with
	Fortran options.
	* gcc.c (offload_targets): Update comment.
	(add_omp_infile_spec_func, spec_lang_mask_accept): New.
	(driver_self_specs) [ENABLE_OFFLOADING]: Add spec to use
	%:add-omp-infile().
	(static_spec_functions): Add add-omp-infile.
	(struct switchstr): Add lang_mask field.  Expand comment.
	(struct infile): Add lang_mask field.
	(add_infile, save_switch, do_spec): Add lang_mask argument.
	(driver_unknown_option_callback, driver_wrong_lang_callback)
	(driver_handle_option, process_command, do_self_spec)
	(driver::do_spec_on_infiles): All callers changed.
	(give_switch): Check languages of switch against
	spec_lang_mask_accept.
	(driver::maybe_putenv_OFFLOAD_TARGETS): Do not use intermediate
	targets variable.
	* gcc.h (do_spec): Update prototype.

2015-08-20  Nathan Sidwell  <nathan@codesourcery.com>

	* omp-low.c (build_oacc_routine_dims): Expand comment.
	* config/nvptx/nvptx.md (call_operation): Skip optional
	partitioning information.
	* config/nvptx/nvptx.c (nvptx_expand_call): Insert target
	partitioning information, if present.
	(nvptx_output_call_insn): Skip partitioning info, if present.

2015-08-19  Nathan Sidwell  <nathan@codesourcery.com>

	* omp-low.c (oacc_xform_on_device): Fix thinko in previous change.

2015-08-18  Nathan Sidwell  <nathan@codesourcery.com>

	* omp-low.c (oacc_xform_on_device): Lose GSI parameter & adjust.
	(oacc_xform_dim): Likewise.
	(execute_oacc_transform): Adjust calls to oacc_xform_on_device and
	oacc_xform_dim.  Insert breaks.

2015-08-18  Nathan Sidwell  <nathan@codesourcery.com>

	* target.def  (GOACC_FORK_JOIN, GOACC_LOCK_UNLOCK): Remove GSI
	parameter. 
	* targhooks.h (default_goacc_fork_join,
	default_goacc_lock_unlock): Lose GSI parameter.
	* omp-low.c (execute_oacc_transform): Reformat to remove
	indentation. Adjust target hook calls.
	(default_goacc_fork_join, default_goacc_lock_unlock): Lose GSI
	parameter.
	* doc/tm.texi: Rebuilt.
	* config/nvptx/nvptx.c (nvptx_xform_fork_join,
	nvptx_xform_lock_unlock): Remove GSI parameter.

2015-08-18  James Norris  <jnorris@codesourcery.com>

	* gimplify.c (enum acc_region_kind): New enum.
	(gimplify_oacc_declare): New.
	(gimplify_omp_target_update): Remove handling of OACC_DECLARE.
	(gimplify_expr): Handle OACC_DECLARE.
	(gimplify_body): Handle ARK_DECLARE.
	* tree.def (OACC_DECLARE): Update.
	* tree.h (OACC_DECLARE_RETURN_CLAUSES): New.

2015-08-17  Nathan Sidwell  <nathan@codesourcery.com>

	* target.def (lock_unlock): New GOACC hook.
	* targhooks.h (default_goacc_lock_unlock): Declare.
	* doc/tm.texi.in (TARGET_GOACC_LOCK_UNLOCK): Add.
	* doc/tm.texi: Rebuilt.
	* internal-fn.def (GOACC_LOCK, GOACC_UNLOCK): New.
	* internal-fn.c (expand_GOACC_LOCK, expand_GOACC_UNLOCK): New.
	* omp-low.c (execute_oacc_transform): Add lock/unlock handling.
	(default_goacc_lock_unlock): New.
	* config/nvptx/nvptx-protos.h (nvptx_expand_oacc_lock_unlock): Declare.
	* config/nvptx/nvptx.md (UNSPECV_UNLOCK): Delete.
	(oacc_lock, oacc_unlock): New expanders.
	(nvptx_spinlock, nvptx_spinunlock): Use UNSPECV_LOCK.
	* config/nvptx/nvptx.c (nvptx_expand_oacc_lock_unlock): New.
	(nvptx_expand_lock_unlock): Delete.
	(nvptx_expand_lock, nvptx_expand_unlock): Delete.
	(nvptx_expand_work_red_addr): Fixup address generation.
	(enum nvptx_types): Delete NT_VOID_UINT.
	(builtins): Delete nvptx_lock and nvptx_unlock.
	(nvptx_init_builtins): Adjust.
	(nvptx_xform_lock_unlock): New.
	(TARGET_GOACC_LOCK_UNLOCK): Override.
	
2015-08-17  Nathan Sidwell  <nathan@codesourcery.com>

	* c-parser.c (c_finish_oacc_routine): Add is_defn arg and adjust
	all callers.  Detect duplicate, post-use or post-defn application.

2015-08-15  Nathan Sidwell  <nathan@codesourcery.com>

	* config/nvptx/nvptx.c (nvptx_reorg): Examine TREE_PURPOSE of
	dimensions.
	(nvptx_record_offload_symbol): Adjust.
	(nvptx_validate_dims): Adjust.
	* omp-low.c (replace_oacc_fn_attrib): Detect if we're the first
	attribute.
	(set_oacc_fn_attrub): Swap FN and CLAUSE parameters for
	consistency.
	(build_oacc_routine_dims): New.
	(expand_omp_target): Adjust set_oacc_fn_attrib call.
	(execute_oacc_transform): Deal with routine dimensions.
	(default_goacc_validate_dims): Add FN_LEVEL parameter.
	* omp-low.h (replace_oacc_fn_attrib, build_oacc_routine_dims): Declare.
	* target.def (validate_dims): Add FN_LEVEL arg.
	* targhooks.h (default_goacc_validate_dims): Adjust.
	* doc/tm.texi: Rebuilt.

2015-08-12  Nathan Sidwell  <nathan@codesourcery.com>

	* target.def (fork_join): Adjust prototype.
	* targhooks.h (default_foacc_fork_join): Adjust.
	* omp-low.c (oacc_xform_dim): Constify DIMS arg.
	(execute_oacc_transform): Defer setting defaulted unknown
	dimensions to 0. Adjust fork_join hook call.
	(default_goacc_fork_join): Adjust.
	* config/nvptx/nvptx.c: Include gimple.h
	(nvptx_xform_fork_join): New.
	(TARGET_GOACC_FORK_JOIN): Override.
	* doc/tm.texi: Rebuilt.
	* tree-vrp.c: Include omp-low.h & target.h.
	(extract_range_basic): Get range for IFN_GOACC_DIM_SIZE and
	IFN_GOACC_DIM_POS.

2015-08-12  Nathan Sidwell  <nathan@acm.org>

	* tree-vrp.c (simplify_min_or_max_using_ranges): New.
	(simplify_stmt_using_ranges): Simplify MIN and MAX exprs.

2015-08-12  Nathan Sidwell  <nathan@codesourcery.com>

	* target.def (validate_dims): Adjust API.
	* targhooks.h (default_goacc_validate_dims): Adjust.
	* omp-low.c (replace_oacc_fn_attrib): New function.
	(set_oacc_fn_attrib): Use it.
	(oacc_xform_dim): Dims is array of ints.
	(execute_oacc_transform): Create int array of dims, adjust uses.
	(default_goacc_validate_dims): Adjust API.  Force to w everywhere.
	* doc/tm.texi: Rebuild.
	* config/nvptx/nvptx.c (nvptx_validate_dims): Adjust API.

2015-08-10  Nathan Sidwell  <nathan@acm.org>

	* tree-ssa-phiopt.c (minmax_replacement): Create new ssa name if
	we're not the only contributor to target phi.

2015-08-11  Nathan Sidwell  <nathan@codesourcery.com>

	* internal-fn.c (expand_GOACC_FORK): Use ARG_UNUSED.  Rename
	varible sensibly. Assert we're never reached if there is no
	expansion.
	(expand_GOACC_JOIN, expand_GOACC_DIM_SIZE,
	expand_GOACC_DIM_POS): likewise.
	* targhooks.h (default_goacc_dim_limit): Declare.
	* target.def (validate_dims): Expand documentation.
	(dim_limit): New hook.
	* config/nvptx/nvptx.c (nvptx_reorg): Expect attribute to always
	have dimensions.
	(nvptx_record_offload_symbol): Likewise.
	(nvptx_validate_syms): Force dimension creation and adjust.
	(nvtpx_dim_limit): Define.
	(TARGET_GOACC_DIM_LIMIT): Override.
	* omp-low.c (expand_oacc_get_num_threads): Builtins return int not
	unsigned.
	(expand_oacc_get_thread_num, oacc_init_count_vars): Likewise.
	(oacc_xform_dim): Result is signed.
	(execute_oacc_transform): Expect dims to always be present.
	(default_goacc_validate_dims): Force dimension creation.
	(default_goacc_dim_limit): New.
	* doc/tm.texi.in (TARGET_GOACC_DIM_LIMIT): Add.
	* doc/tm.texi: Rebuilt.

2015-08-10  Thomas Schwinge  <thomas@codesourcery.com>

	* internal-fn.c (expand_GOACC_DIM_SIZE) [!HAVE_oacc_dim_size]:
	Don't define and set variable val.
	(expand_GOACC_DIM_POS) [!HAVE_oacc_dim_pos]: Likewise.

2015-08-06  Cesar Philippidis  <cesar@codesourcery.com>

	* config/nvptx/nvptx.c (nvptx_expand_lock_unlock): Pass an
	additional scratch register to gen_nvptx_spinlock.
	* config/nvptx/nvptx.md (nvptx_membar): Use %B for the address
	space operand.
	(nvptx_spinlock): Remove period prefix from atom.
	(nvptx_spinunlock): Take additional scratch register argument.
	Use atom.exch to update the lock.

2015-08-06  Nathan Sidwell  <nathan@codesourcery.com>

	* doc/tm.texi.in (TARGET_GOACC_FORK_JOIN): New.
	* doc/tm.texi: Regenerate.
	* omp-low.c (execute_oacc_transform): Forward fork and join to
	target hook.
	(default_goacc_fork_join): New.
	* target.def (fork_join): New OpenACC hook.
	* targhooks.h (default_goacc_fork_join): Declare.

2015-08-06  Nathan Sidwell  <nathan@codesourcery.com>

	* config/nvptx/nvptx.c (nvptx_expand_lock_unlock): Create label.
	(nvptx_validate_dims): Check worker dimension is not too big.
	* config/nvptx/nvptx.mc (nvptx_spinlock): Take label.

2015-08-05  Tom de Vries  <tom@codesourcery.com>

	* omp-low.c (release_dangling_ssa_names): Release SSA_NAMEs with NULL
	def stmt.
	* tree-cfg.c (replace_ssa_name): Don't move default def nops.  Set def
	stmt of unused SSA_NAME to NULL.

2015-08-04  Nathan Sidwell  <nathan@codesourcery.com>

	* doc/tm.texi.in (TARGET_GOACC_VALIDATE_DIMS): Add hook.
	* doc/tm.texi: Regenerated.
	* target.def (TARGET_GOACC): New hook prefix.
	(validate_dims): New.
	* targhooks.h (default_goacc_validate_dims): Declare.
	* internal-fn.def: Add comments.
	(GOACC_DIM_POS): Make pure.
	* config/nvptx/nvptx.c (nvptx_validate_dims): New.
	(TARGET_GOACC_VALIDATE_DIMS): Override.
	* omp-low.h (set_oacc_fn_attrib): Leave default dims as NULL.
	(oacc_xform_dim): New.
	(execute_oacc_transform): Process launch dimensions. Optimize
	DIM_SIZE and DIM_POS.  Delete FORK & JOIN on host.
	(default_oacc_validate_dims): New.

2015-08-04  Nathan Sidwell  <nathan@codesourcery.com>

	* config/nvptx/nvptx.md (nvptx_shuffle<mode>): Adjust assembly.
	* config/nvptx/nvptx.c (nvptx_print_operand): Adjust 'S' case to
	print leading . for consistency.
	* config/nvptx/nvptx.h (struct nvptx_pseudo_info): Delete.
	(machine_function): Remove pseudos field.

2015-08-04  Nathan Sidwell  <nathan@codesourcery.com>

	* config/nvptx/nvptx.md (UNSPECV_MEMBAR): New.
	(nvptx_membar): New insn.
	* config/nvptx/nvptx.c (BARRIER_SHARED, BARRIER_GLOBAL,
	BARRIER_SYS): New.
	(lock_names, lock_space): Constify.
	(lock_level): New.
	(worker_red_hwm, worker_red_align, worker_red_name,
	worker_red_sym): New.
	(var_red_t, struct loop_red): New types.
	(loop_red): New.
	(nvptx_print_operand): Add 'B' case.
	(nvptx_reorg_reductions): New.
	(nvptx_reorg): Call it.
	(nvptx_file_end): Emit worker reduction array.
	(struct builtin_descriptor):  Remove builtin pointer from
	expander.
	(nvptx_expand_shuffle_down, nvptx_expand_lock_unlock,
	nvptx_expand_lock, nvptx_expand_unlock): Adjust.
	(nvptx_expand_lock_unlock): Emit barrier too.
	(nvptx_expand_work_red_addr): New.
	(NT_UINTPTR_UINT_UINT, NT_ULLPTR_UINT_UINT, NT_FLTPTR_UINT_UINT,
	NT_DBLPTR_UINT_UINT): New.
	(builtins): Add new builtins.
	(nvptx_init_builtins): Create new types.
	(nvptx_expand_builtin): Adjust expander call.

2015-08-03  Nathan Sidwell  <nathan@codesourcery.com>

	* internal-fn.def (GOACC_DIM_SIZE, GOACC_DFIM_POS): New.
	* internal-fn.c (expand_GOACC_DIM_SIZE, expand_GOACC_DIM_POS): New.
	* config/nvptx.md (UNSPEC_NID, UNSPEC_ID): Rename to ...
	(UNSPEC_DIM_SIZE, UNSPEC_DIM_POS): ... here.
	(oacc_nid, oacc_id): Rename to ...
	(oacc_dim_size, oacc_dim_pos): ... here. Adjust.
	* config/nvptx.c (nvptx_single): Adjust.
	* omp-low.c (expand_oacc_get_num_threads,
	expand_oacc_get_thread_num, oacc_init_count_vars): Use new
	internal builtins.
	* omp-builtins.def (BUILT_IN_GOACC_ID, BUILT_IN_GOACC_NID): Delete.
	* builtins.c (expand_oacc_id): Delete.
	(expand_builtin, is_simpe_biltin): Adjust.

2015-08-03  Nathan Sidwell  <nathan@codesourcery.com>

	* config/nvptx/mkoffload.c (process): Avoid printf formatting
	warning.

2015-08-03  Nathan Sidwell  <nathan@codesourcery.com>

	* gimplify.c (GOVD_GANGLOCAL): Delete.
	(oacc_default_clause): Only derereference reference types. Mark
	firstprivate as GOVD_FIRSTPRIVATE.
	(gimplify_adjust_omp_clauses_1): Remove GANGLOCALL handling.
	(gimplify_omp_for): Remove bogus OpenACC outer context lookup.
	* omp-low.c (build_outer_var_ref): Simplify openacc outer ref
	lookup.
	(scan_sharing_clauses): Handle openacc firstprivate.
	(lower_omp_target): Handle openacc firstprivate.

2015-08-03  Nathan Sidwell  <nathan@codesourcery.com>

	* config/nvptx/nvptx.c (nvptx_reorg): Check get_oacc_fn_attrib for
	launch dimensions and only do parallel processing when present.
	Check dimensions to determine neutering requirements.
	(nvptx_record_offload_symbol): Launch dimension attribute must be
	present on offloaded functions.

2015-08-03  Thomas Schwinge  <thomas@codesourcery.com>

	* builtins.c (expand_builtin_on_device): Don't expect to be
	expanded on host compiler.

	* gimplify.c (oacc_default_clause): Remove in_code formal
	parameter.  Adjust all users.

2015-08-02  Nathan Sidwell  <nathan@codesourcery.com>

	* omp-low.c (oacc_xform_on_device): New function.
	(execute_oacc_transform): Use get_oacc_fn_attrib.  Call
	oacc_xform_on_device.
	* builtins.c (expand_builtin_on_device): Only expect to be
	expanded on host compiler.

2015-07-31  Thomas Schwinge  <thomas@codesourcery.com>

	PR libgomp/65742
	PR middle-end/66332
	* builtins.c (expand_builtin_acc_on_device) [ACCEL_COMPILER]: Emit
	open-coded sequence.

2015-07-30  Nathan Sidwell  <nathan@codesourcery.com>

	* config/nvptx/nvptx.md (UNSPECV_UNLOCK): New.
	(nvptx_shuffle<mode>): Add constraints.
	(nvptx_unpack<mode>, nvptx_pack<mode>): Likewise.
	(nvptx_spinlock, nvptx_spinunlock):  New.
	* config/nvptx/nvptx.c (LOCK_GLOBAL, LOCK_SHARED, LOCK_MAX): New
	defines.
	(lock_names, lock_regions, lock_space, lock_syms, loc_used): New.
	(nvptx_option_override): Set worker_bcast_align
	correctly. Initialize lock_sums.
	(nvptx_print_operand): Add 'R'.
	(nvptx_file_end): Emit lock vars if needed.
	(struct  builtin_description): Move earlier, add object pointer to
	callback.
	(nvptx_expand_shuffle_down): Adjust.
	(nvptx_expand_lock_unlock): New expander.
	(nvptx_expand_lock, nvptx_expand_unlock): New.
	(enum nvptx_types): Add NT_VOID_UINT.
	(builtins): Add lock/unlock builtins.
	(nvptx_init_bultins): Create new tupe.
	(nvptx_expand_builtin): Adjust.

2015-07-30  Nathan Sidwell  <nathan@codesourcery.com>

	* config/nvptx/nvptx.md (UNSPEC_BROADCAST, UNSPEC_SHFL_DOWN):
	Replace with ...
	(UNSPEC_SHUFFLE): ... this.
	(nvptx_broadcast<mode>): Replace with ...
	(nvptx_shuffle<mode>): ... this.
	(thread_shuffle_down<mode>,  thread_shiffle_downdi): Delete.
	* config/nvptx/nvptx.c (SHUFFLE_UP, SHUFFLE_DOWN, SHUFFLE_BFLY,
	SHUFFLE_IDX): New defines.
	(nvptx_gen_shuffle): Break out of nvptx_gen_vcast and generalize.
	(nvptx_gen_vcast): Use nvptx_gen_shuffle.
	(nvptx_print_operand): Add 'S' case.
	(nvptx_cannot_copy_insn_p): Adjust.
	(nvptx_expand_shuffle_down): New builtin expander for shuffles.
	(enum nvptx_types): Add NT_DBL_DBL_INT case.
	(struct builtin_descriptor): Use ptr to fn for expander.  Remove
	icode and num_args.
	(builtins): Adjust.
	(nvptx_init_builtins): Adjust.
	(nvptx_expand_builtin): Invoke builtin-specific expander function.

2015-07-29  Nathan Sidwell  <nathan@codesourcery.com>

	* gimplify.c (oacc_default_clause): Outer scope searching moved to
	omp_notice_variable.
	(omp_notice_variable): For OpenACC search enclosing scopes before
	applying default.

2015-07-29  Nathan Sidwell  <nathan@codesourcery.com>

	* config/nvptx/mkoffload.c (process): Reimplement emission of ptx
	objects to set of arrays.

2015-07-29  Nathan Sidwell  <nathan@codesourcery.com>

	* omp-low.c (expand_omp_target): Emit separate ASYNC and WAIT tags.

2015-07-28  Nathan Sidwell  <nathan@codesourcery.com>

	* omp-low.h (enum oacc_loop_levels): Delete.
	(OACC_LOOP_MASK): Delete.
	* omp-low.c: Change all OACC_x to GOMP_DIM_x
	* config/nvptx/nvptx.c: Change all OACC_x to GOMP_DIM_x
	* builtins.c (expand_oacc_id): Change OACC_HWM to GOMP_DIM_MAX.

2015-07-28  Nathan Sidwell  <nathan@codesourcery.com>

	* tree.h (OMP_CLAUSE_EXPR): New.
	* omp-low.c (creste_omp_child_function): Do not set oacc function
	attribute here.
	(oacc_launch_pack): New.
	(OACC_FN_ATTRIB): New define.
	(set_oacc_fn_attrib): New.
	(get_oacc_fn_attrib): New.
	(expand_omp_target): Reimplement openacc launch parameters.
	* omp-low.h (get_oacc_fn_attrib): Declare.
	* omp-builtins.def (BUILT_IN_GOACC_KERNELS_INTERNAL): Change type.
	(BUILT_IN_GOACC_PARALLEL): Change type and target name.
	* builtin-types.def
	(BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_INT_INT_INT_SIZE_INT_INT_VAR): Replace with ...
	(BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_SIZE_VAR): ... this.
	* tree-parloops.c (create_parallel_loop): Adjust index of
	shared_size arg.
	* except.c: Include omp-low.h
	(finish_eh_generation): Call get_oacc_fn_attrib.
	* config/nvptx/mkoffload.c (process): Accumulate compute grid
	dimensions and emit them.
	* config/nvptx/nvptx.c: Include gomp-constants.h
	(nvptx_record_offload_symbol): Emit compute grid dimensions.

2015-07-28  Nathan Sidwell  <nathan@codesourcery.com>

	* gimplify.c (oacc_default_clause): Always set GOVD_MAP if found
	in outer scope.

2015-07-28  Tom de Vries  <tom@codesourcery.com>

	* passes.def: Repeat pass_lim and pass_copy_prop in oacc kernels pass
	group.

2015-07-28  Tom de Vries  <tom@codesourcery.com>

	* passes.def: Replace pass_fre with pass_copy_prop in oacc kernels pass
	group.

2015-07-28  Tom de Vries  <tom@codesourcery.com>

	backport from trunk:
	2015-07-28  Tom de Vries  <tom@codesourcery.com>

	* tree-parloops.c (reduc_stmt_res): New function.
	(initialize_reductions, add_field_for_reduction)
	(create_phi_for_local_result, create_loads_for_reductions)
	(create_stores_for_reduction, build_new_reduction): Handle case that
	reduc_stmt is a phi.
	(gather_scalar_reductions): Allow double_reduc reductions.

2015-07-28  Tom de Vries  <tom@codesourcery.com>

	backport from trunk:
	2015-07-27  Tom de Vries  <tom@codesourcery.com>

	* tree-parloops.c (gather_scalar_reductions): Simplify function
	structure.

2015-07-28  Tom de Vries  <tom@codesourcery.com>

	* graphite-sese-to-poly.c (is_reduction_operation_p): Allow operations
	that do not overflow.

2015-07-28  Tom de Vries  <tom@codesourcery.com>

	* tree.c (no_overflow_tree_code): New function.
	* tree.h (no_overflow_tree_code): Declare.
	* tree-vect-loop.c (vect_is_simple_reduction_1): Use
	no_overflow_tree_code.

2015-07-28  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/46193
	* omp-low.c (omp_reduction_init): Handle pointer type for min or max
	clause.

2015-07-28  Tom de Vries  <tom@codesourcery.com>

	backport from trunk:
	2015-07-24  Tom de Vries  <tom@codesourcery.com>

	* graphite-sese-to-poly.c (build_poly_scop): Always call
	rewrite_commutative_reductions_out_of_ssa.

2015-07-28  Tom de Vries  <tom@codesourcery.com>

	backport from trunk:
	2015-07-24  Tom de Vries  <tom@codesourcery.com>

	* graphite-sese-to-poly.c (is_reduction_operation_p): Limit
	flag_associative_math to FLOAT_TYPE_P.  Honour
	TYPE_OVERFLOW_WRAPS for INTEGRAL_TYPE_P. Don't allow any other types.

2015-07-28  Tom de Vries  <tom@codesourcery.com>

	backport from trunk:
	2015-07-24  Tom de Vries  <tom@codesourcery.com>

	* tree-parloops.c (gen_parallel_loop): Add debug print for alternative
	exit-first loop transform.

2015-07-28  Tom de Vries  <tom@codesourcery.com>

	backport from trunk:
	2015-07-23  Tom de Vries  <tom@codesourcery.com>

	* tree-parloops.c (gather_scalar_reductions): Add arg to call to
	vect_force_simple_reduction.
	* tree-vect-loop.c (vect_analyze_scalar_cycles_1): Same.
	(vect_is_simple_reduction_1): Add and handle
	need_wrapping_integral_overflow parameter.
	(vect_is_simple_reduction, vect_force_simple_reduction): Add and pass
	need_wrapping_integral_overflow parameter.
	(vectorizable_reduction): Add arg to call to vect_is_simple_reduction.
	* tree-vectorizer.h (vect_force_simple_reduction): Add parameter to decl.

2015-07-28  Tom de Vries  <tom@codesourcery.com>

	backport from trunk:
	2015-07-16  Tom de Vries  <tom@codesourcery.com>

	* tree-parloops.c (create_parallel_loop): Handle case that exit phi does
	not have a corresponding loop header phi.

2015-07-28  Tom de Vries  <tom@codesourcery.com>

	backport from trunk:
	2015-07-16  Tom de Vries  <tom@codesourcery.com>

	* tree-parloops.c (create_loads_for_reductions): Handle case that
	reduction is unused.

2015-07-28  Tom de Vries  <tom@codesourcery.com>

	backport from trunk:
	2015-07-14  Tom de Vries  <tom@codesourcery.com>

	* gcc.c (greater_than_spec_func): Declare forward.
	(LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use gt to ignore
	-ftree-parallelize-loops={0,1}.
	(static_spec_functions): Add greater_than_spec_func function with name
	"gt".
	(greater_than_spec_func): New function.

2015-07-28  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/66846
	* omp-low.c (expand_omp_taskreg) [ENABLE_CHECKING]: Call
	verify_loop_structure for child_cfun if !LOOPS_NEED_FIXUP.
	(expand_omp_target) [ENABLE_CHECKING]: Same.
	(execute_expand_omp): Reinstate LOOPS_HAVE_SIMPLE_LATCHES if in ssa.
	[ENABLE_CHECKING]: Call verify_loop_structure for cfun if
	!LOOPS_NEED_FIXUP.
	(expand_omp_for_static_nochunk): Handle case that omp_for already has
	its own loop struct.
	* tree-parloops.c (create_parallel_loop): Add comment about breaking
	LOOPS_HAVE_SIMPLE_LATCHES.  Record new exit.
	(gen_parallel_loop): Remove call to cancel_loop_tree.
	(parallelize_loops): Skip loops that are inner loops of parallelized
	loops.
	(pass_parallelize_loops::execute): Clear LOOPS_HAVE_SIMPLE_LATCHES on
	loop state.
	[ENABLE_CHECKING]: Call verify_loop_structure.

2015-07-28  Tom de Vries  <tom@codesourcery.com>

	revert:
	2015-07-12  Tom de Vries  <tom@codesourcery.com>

	* tree-parloops.c (gen_parallel_loop): Add LOOPS_NEED_FIXUP to loop
	state.

2015-07-27  Cesar Philippidis  <cesar@codesourcery.com>

	* omp-low.c (execute_oacc_transform): New function.
	(class pass_oacc_transform): New function.
	(make_pass_oacc_transform): New function.
	* passes.def: Add pass_oacc_transform to all_passes.
	* tree-pass.h (make_pass_oacc_transform): Declare.

2015-07-27  Nathan Sidwell  <nathan@codesourcery.com>

	* config/nvptx/mkoffload.c (process): Rename _2 functions to _ver.

2015-07-26  Nathan Sidwell  <nathan@codesourcery.com>

	* gimplify.c (oacc_default_clause): Fallthrough to unspecified
	handling.  Propagate mapping from outer scope.

2015-07-24  Nathan Sidwell  <nathan@codesourcery.com>

	* gimplify.c (device_resident_p): New function, broken out of
	omp_notice_variable.
	(oacc_default_clause): New function.  Reorganize flow for
	clarity.  Broken out of ...
	(omp_notice_variable): ... here.

2015-07-24  Nathan Sidwell  <nathan@codesourcery.com>

	* gimplify.c (omp_default_clause): New function.  Reorganize flow
	for clarity. Broken out of ...
	(omp_notice_variable): ... here.

2015-07-24  Cesar Philippidis  <cesar@codesourcery.com>

	* tree-cfg.c (struct replace_decls_d): New struct.
	(replace_block_vars_by_duplicates_1): New function.
	(replace_block_vars_by_duplicates): Use it to replace the decls
	in the value exprs by duplicates.
	* lto-cgraph.c (input_overwrite_node): Gracefully error on missing
	symbols with flag_openacc.
	* tree-nested.c (convert_nonlocal_omp_clauses): Handle OMP_CLAUSE_GANG,
	OMP_CLAUSE_WORKER, OMP_CLAUSE_VECTOR, and OMP_CLAUSE_SEQ.
	(convert_local_omp_clauses): Likewise.

2015-07-24  Nathan Sidwell  <nathan@codesourcery.com>

	* config/nvptx/mkoffload.c (process): Replace
	GOMP_offload_register with GOMP_offload_register_2.

2015-07-22  Tom de Vries  <tom@codesourcery.com>

	* omp-low.c (expand_omp_for): Set loop->safelen to INT_MAX if
	marked_independent.

2015-07-22  Nathan Sidwell  <nathan@acm.org>

	* config/nvptx/nvptx.c (nvptx_option_override): Initialize worker
	buffer alignment here.
	(nvptx_wsync): Generate pattern, not emit instruction.
	(nvptx_single): Insert barrier after read.
	(nvptx_process_pars): Adjust nvptx_wsync use.
	(nvptx_file_end): No need to apply default alignment here.

2015-07-21  Nathan Sidwell  <nathan@codesourcery.com>

	* config/nvptx/mkoffload.c (process): Add destructor call.

2015-07-21  Thomas Schwinge  <thomas@codesourcery.com>

	* tree-parloops.c (create_parallel_loop): Typo fix.

2015-07-20  Nathan Sidwell  <nathan@codesourcery.com>

	* config/nvptx/nvptx.c (nvptx_builtins): Delete enum.
	(nvptx_types): New enum.
	(builtin_description): Add type and num_args fields.
	(builtins): New array describing builtins.
	(NVPTX_BUILTIN_MAX): Define.
	(def_builtin): Delete.
	(nvptx_init_builtins): Reimplement using builtins array.
	(nvptx_expand_binop_builtin): Delete.
	(bdesc_2arg): Delete.
	(nvptx_expand_builtin): Reimplement using builtins array.

2015-07-20  Tom de Vries  <tom@codesourcery.com>

	* tree-parloops.c (create_parallel_loop): Update comments for
	removal of GOACC_kernels.  Rename goacc_kernels variable into
	goacc_kernels_internal.

2015-07-19  Nathan Sidwell  <nathan@codesourcery.com>

	* omp-low.c (expand_omp_target): Convert to
	BUILT_IN_GOACC_PARALLEL. Remove BUILT_IN_GOACC_KERNELS cases.
	* omp-builtins.def (BUILT_IN_GOACC_KERNELS): Delete.

2015-07-17  Nathan Sidwell  <nathan@codesourcery.com>

	* config/nvptx/mkoffload.c (process): Reformat some C code emission.

	* config/nvptx/mkoffload.c (process): Constify host data.
	* config/i386/intelmic-mkoffload.c (generate_target_descr_file):
	Constify host data.
	(generate_host_descr_file): Likewise.

2015-07-17  Nathan Sidwell  <nathan@codesourcery.com>

	* config/nvptx/mkoffload.c (process): Constify target data.
	* config/i386/intelmic-mkoffload.c (generate_target_descr_file):
	Constify target data.
	(generate_target_offloadend_file): Likewise.

2015-07-17  Tom de Vries  <tom@codesourcery.com>

	* omp-low.c (expand_omp_target): Fix location of insertion of if-clause
	handling code.

2015-07-17  Bernd Schmidt  <bernds@codesourcery.com>

	* config/nvptx/nvptx.c (enum nvptx_builtins,
	struct builtin_description): New.
	(nvptx_builtin_decls, bdesc_2arg): New static variables.
	(def_builtin): New macro.
	(nvptx_builtin_decl, nvptx_init_builtins, nvptx_expand_binop_builtin,
	nvptx_expand_builtin): New static functions.
	(TARGET_INIT_BUILTINS, TARGET_EXPAND_BUILTIN, TARGET_BUILTIN_DECL):
	Define.
	* config/nvptx/nvptx.md (UNSPECV_SHFL_DOWN): New constant.
	(thread_shuffle_down<mode>): New pattern.
	(thread_shuffle_downdi): New expander.

2015-07-17  Julian Brown  <julian@codesourcery.com>

	* gimplify.c (gimplify_scan_omp_clauses): Handle
	OMP_CLAUSE_DEVICE_TYPE.
	(gimplify_adjust_omp_clauses): Likewise.
	* omp-low.c (scan_sharing_clauses): Likewise.
	(expand_omp_target): Add "sorry" for device_type support.
	* tree-pretty-print.c (dump_omp_clause): Add device_type support.
	* tree.c (walk_tree_1): Likewise.

2015-07-16  Nathan Sidwell  <nathan@codesourcery.com>

	* config/nvptx/nvptx.c (nvptx_gen_wcast): Fix typo accessing reg's
	mode for pointer increment.

2015-07-16  Tom de Vries  <tom@codesourcery.com>

	* tree-ssa-loop-ch.c (pass_ch::pass_ch (pass_data, gcc::context)): New
	constructor.
	(pass_ch_oacc_kernels): Derive from pass_ch.
	(pass_ch_oacc_kernels::pass_ch_oacc_kernels(gcc::context)): Call
	pass_ch constructor.
	(pass_ch_oacc_kernels::execute): Remove.
	(pass_ch_oacc_kernels::process_loop_p): Rewrite using
	pass_ch::process_loop_p.

2015-07-15  Thomas Schwinge  <thomas@codesourcery.com>

	* config/nvptx/nvptx.c (nvptx_gen_wcast): Mark unreachable code
	path.

2015-07-14  Thomas Schwinge  <thomas@codesourcery.com>

	* omp-low.c (struct omp_region): Remove broadcast_array member.

2015-07-14  Tom de Vries  <tom@codesourcery.com>

	* tree-parloops.c (parallelize_loops): Use marked_independent flag in
	oacc kernels region.

2015-07-14  Chung-Lin Tang  <cltang@codesourcery.com>

	* cfgloop.h (struct loop): Add 'bool marked_independent' field.
	* gimplify.c (gimplify_scan_omp_clauses): Keep OMP_CLAUSE_INDEPENDENT.
	* omp-low.c (struct omp_region): Add 'int kind' and
	'bool independent' fields.
	(expand_omp_for): Set 'marked_independent' field for loop
	corresponding to region.
	(find_omp_for_region_data): New function.
	(find_omp_target_region_data): Set kind field.
	(build_omp_regions_1): Call find_omp_for_region_data() for
	GIMPLE_OMP_FOR statements.

2015-07-13  Nathan Sidwell  <nathan@codesourcery.com>

	* config/nvptx/mkoffload.c (process): Constify mapping variables.
	Define target data struct and initialize it.

2015-07-12  Tom de Vries  <tom@codesourcery.com>

	* omp-low.c (build_receiver_ref): Mark *.omp_data_i as non-trapping.
	* tree-parloops.c (gen_parallel_loop): Add LOOPS_NEED_FIXUP to loop
	state.
	(parallelize_loops): Allow nested loops.

2015-07-11  Thomas Schwinge  <thomas@codesourcery.com>

	* internal-fn.c (expand_GOACC_FORK, expand_GOACC_JOIN)
	[!HAVE_oacc_fork]: Keep quiet.

	* df-core.c (df_analyze_1): Don't disable df_verify call.

2015-07-10  Nathan Sidwell  <nathan@codesourcery.com>

	* config/nvptx/nvptx.c (nvptx_reorg): Move df problem setting, set
	dirty flags.

2015-07-10  Thomas Schwinge  <thomas@codesourcery.com>

	* df-core.c (df_analyze_1): Disable df_verify call.

2015-07-09  Nathan Sidwell  <nathan@codesourcery.com>

	Infrastructure:
	* gimple.h (gimple_call_internal_unique_p): Declare.
	* gimple.c (gimple_call_same_target_p): Add check for
	gimple_call_internal_unique_p.
	* internal-fn.c (gimple_call_internal_unique_p): New.
	* omp-low.h (OACC_LOOP_MASK): Define here...
	* omp-low.c (OACC_LOOP_MASK): ... not here.
	* tree-ssa-threadedge.c	(record_temporary_equivalences_from_stmts):
	Add check for gimple_call_internal_unique_p.
	* tree-ssa-tail-merge.c (same_succ_def::equal): Add EQ check for
	the gimple statements.

	Additions:
	* internal-fn.def (GOACC_FORK, GOACC_JOIN): New.
	* internal-fn.c (gimple_call_internal_unique_p): Add check for
	IFN_GOACC_FORK, IFN_GOACC_JOIN.
	(expand_GOACC_FORK, expand_GOACC_JOIN): New.
	* omp-low.c (gen_oacc_fork, gen_oacc_join): New.
	(expand_omp_for_static_nochunk): Add oacc loop fork & join calls.
	(expand_omp_for_static_chunk): Likewise.
	* config/nvptx/nvptx-protos.h (nvptx_expand_oacc_fork,
	nvptx_expand_oacc_join): Declare.
	* config/nvptx/nvptx.md (UNSPEC_BIT_CONV, UNSPEC_BROADCAST,
	UNSPEC_BR_UNIFIED): New unspecs.
	(UNSPECV_FORK, UNSPECV_FORKED, UNSPECV_JOINING, UNSPECV_JOIN): New.
	(BITS, BITD): New mode iterators.
	(br_true_uni, br_false_uni): New unified branches.
	(nvptx_fork, nvptx_forked, nvptx_joining, nvptx_join): New insns.
	(oacc_fork, oacc_join): New expand
	(nvptx_broadcast<mode>): New insn.
	(unpack<mode>si2, packsi<mode>2): New insns.
	(worker_load<mode>, worker_store<mode>): New insns.
	(nvptx_barsync): Renamed from ...
	(threadbarrier_insn): ... here.
	* config/nvptx/nvptx.c: Include hash-map,h, dominance.h, cfg.h &
	omp-low.h.
	(worker_bcast_hwm, worker_bcast_align, worker_bcast_name,
	worker_bcast_sym): New.
	(nvptx_option_override): Initialize worker_bcast_sym.
	(nvptx_expand_oacc_fork, nvptx_expand_oacc_join): New.
	(nvptx_gen_unpack, nvptx_gen_pack): New.
	(struct wcast_data_t, propagate_mask): New types.
	(nvptx_gen_vcast, nvptx_gen_wcast): New.
	(struct parallel): New structs.
	(parallel::parallel, parallel::~parallel): Ctor & dtor.
	(bb_insn_map_t): New map.
	(insn_bb_t, insn_bb_vec_t): New tuple & vector of.
	(nvptx_split_blocks, nvptx_discover_pre): New.
	(bb_par_t, bb_par_vec_t); New tuple & vector of.
	(nvptx_dump_pars,nvptx_discover_pars): New.
	(nvptx_propagate): New.
	(vprop_gen, nvptx_vpropagate)@ New.
	(wprop_gen, nvptx_wpropagate): New.
	(nvptx_wsync): New.
	(nvptx_single, nvptx_skip_par): New.
	(nvptx_process_pars): New.
	(nvptx_neuter_pars): New.
	(nvptx_reorg): Add liveness DF problem.  Call nvptx_split_blocks,
	nvptx_discover_pars, nvptx_process_pars & nvptx_neuter_pars.
	(nvptx_cannot_copy_insn): Check for broadcast, sync, fork & join insns.
	(nvptx_file_end): Output worker broadcast array definition.

	Deletions:
	* builtins.c (expand_oacc_thread_barrier): Delete.
	(expand_oacc_thread_broadcast): Delete.
	(expand_builtin): Adjust.
	* gimple.c (struct gimple_statement_omp_parallel_layout): Remove
	broadcast_array member.
	(gimple_omp_target_broadcast_array): Delete.
	(gimple_omp_target_set_broadcast_array): Delete.
	* omp-low.c (omp_region): Remove broadcast_array member.
	(oacc_broadcast): Delete.
	(build_oacc_threadbarrier): Delete.
	(oacc_loop_needs_threadbarrier_p): Delete.
	(oacc_alloc_broadcast_storage): Delete.
	(find_omp_target_region): Remove call to
	gimple_omp_target_broadcast_array.
	(enclosing_target_region, required_predication_mask,
	generate_vector_broadcast, generate_oacc_broadcast,
	make_predication_test, predicate_bb, find_predicatable_bbs,
	predicate_omp_regions): Delete.
	(use, gen, live_in): Delete.
	(populate_loop_live_in, oacc_populate_live_in_1,
	oacc_populate_live_in, populate_loop_use, oacc_broadcast_1,
	oacc_broadcast): Delete.
	(execute_expand_omp): Remove predicate_omp_regions call.
	(lower_omp_target): Remove oacc_alloc_broadcast_storage call.
	Remove gimple_omp_target_set_broadcast_array call.
	(make_gimple_omp_edges): Remove oacc_loop_needs_threadbarrier_p
	check.
	* tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
	BUILT_IN_GOACC_THREADBARRIER.
	* omp-builtins.def (BUILT_IN_GOACC_THREAD_BROADCAST,
	BUILT_IN_GOACC_THREAD_BROADCAST_LL,
	BUILT_IN_GOACC_THREADBARRIER): Delete.
	* config/nvptx/nvptx.md (UNSPECV_WARPBCAST): Delete.
	(br_true, br_false): Remove U format specifier.
	(oacc_thread_broadcastsi, oacc_thread_broadcast_di): Delete.
	(oacc_threadbarrier): Delete.
	* config/.nvptx/nvptx.c (condition_unidirectional_p): Delete.
	(nvptx_print_operand):  Remove 'U' specifier.
	(nvptx_reorg_subreg): Remove unidirection checking.
	(nvptx_cannot_copy_insn): Remove broadcast and barrier insns.
	* config/nvptx/nvptx.h (machine_function): Remove
	warp_equal_pseudos.

2015-07-08  Tom de Vries  <tom@codesourcery.com>

	Backport from trunk:
	2015-07-07  Tom de Vries  <tom@codesourcery.com>
	* tree-cfg.c (get_virtual_phi): New function.
	* tree-cfg.h (get_virtual_phi): Declare.
	* tree-ssa-loop-manip.c (replace_uses_in_dominated_bbs)
	(rewrite_virtuals_into_loop_closed_ssa): New function.
	* tree-ssa-loop-manip.h (rewrite_virtuals_into_loop_closed_ssa):
	Declare.
	* tree-parloops.c (replace_uses_in_bbs_by): Remove.
	(transform_to_exit_first_loop_alt): Use
	rewrite_virtuals_into_loop_closed_ssa.

2015-07-08  Tom de Vries  <tom@codesourcery.com>

	Revert:
	2015-06-24  Tom de Vries  <tom@codesourcery.com>

	* tree-ssa-loop-manip.c (get_virtual_phi): Factor out of ...
	(rewrite_virtuals_into_loop_closed_ssa): ... here.

	* tree-ssa-loop-manip.c (replace_uses_in_dominated_bbs): Factor out
	of ...
	(rewrite_virtuals_into_loop_closed_ssa): ... here.

	* dominance.c (bitmap_get_dominated_by): New function.
	* dominance.h (bitmap_get_dominated_by): Declare.
	* tree-ssa-loop-manip.c (rewrite_virtuals_into_loop_closed_ssa): Use
	bitmap_get_dominated_by.

	* tree-parloops.c (replace_uses_in_bbs_by)
	(rewrite_virtuals_into_loop_closed_ssa): Move to ...
	* tree-ssa-loop-manip.c: here.
	* tree-ssa-loop-manip.h (rewrite_virtuals_into_loop_closed_ssa):
	Declare.

        2015-06-18  Tom de Vries  <tom@codesourcery.com>

	* tree-parloops.c (rewrite_virtuals_into_loop_closed_ssa): New function.
	(transform_to_exit_first_loop_alt): Use
	rewrite_virtuals_into_loop_closed_ssa.

2015-07-07  James Norris  <jnorris@codesourcery.com>

	* gimplify.c (enum gimplify_omp_var_data): Add new enum.
	(gimplify_adjust_omp_clauses_1): Handle deviceptr clause seen in
	outer context.

2015-07-01  James Norris  <jnorris@codesourcery.com>

	* c/c-parser.c (c_parser_oacc_data_clause_deviceptr): Allow parameter
	declarations to be used.
	* cp/parser.c (cp_parser_oacc_data_clause_deviceptr): Likewise.

2015-07-01  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/66716
	* tree-cfg.c (gimple_split_block_before_cond_jump): Split before
	cond_jump, instead of split after last nondebug insn before cond_jump.

2015-07-01  Chung-Lin Tang  <cltang@codesourcery.com>

	* gimplify.c (gimplify_omp_for): For acc loops inside OpenACC constructs,
	notice the use of the index variable in the surrounding gimplify_omp_ctx.

2015-07-01  James Norris  <jnorris@codesourcery.com>

	* c/c-parser.c (OACC_LOOP_CLAUSE_DEVICE_TYPE_MASK): Remove independent
	clause from mask.

2015-06-30  Cesar Philippidis  <cesar@codesourcery.com>

	* omp-low.c (oacc_get_reduction_array_id): Remove.
	(oacc_parallel_max_reduction_array_size): Remove.
	(install_array_var_ganglocal): Remove.
	(oacc_outermost_parallel_kernels_context): Remove.
	(oacc_inside_routine): Remove.
	(is_oacc_multithreaded): Remove.
	(oacc_needs_global_memory): Remove.
	(oacc_max_threads): Remove.
	(scan_sharing_clauses): Don't allocate an array for openacc reductions.
	(oacc_lower_reduction_var_helper): Remove.
	(lower_reduction_clauses): Handle all OpenACC reductions using atomics.
	(oacc_gimple_assign): Remove.
	(oacc_initialize_reduction_data): Remove.
	(oacc_serial_reduction): Remove.
	(oacc_finalize_reduction_data): Remove.
	(oacc_process_reduction_data_helper): Remove.
	(oacc_process_reduction_data): Remove.
	(lower_omp_target): Don't call oacc_process_reduction_data anymore.

2015-06-30  Tom de Vries  <tom@codesourcery.com>

	* tree-parloops.c (transform_to_exit_first_loop_alt): Insert new exit
	block only when needed.

2015-06-30  Tom de Vries  <tom@codesourcery.com>

	* tree-parloops.c (try_transform_to_exit_first_loop_alt): If not found,
	insert nit + 1 bound.

2015-06-30  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/66642
	* tree-parloops.c (transform_to_exit_first_loop_alt): Update function
	header comment.  Rename split_edge variable to edge_at_split.  Split
	exit edge to create new loop exit bb.  Insert loop exit phis in new loop
	exit bb.

2015-06-30  Tom de Vries  <tom@codesourcery.com>

	backport from trunk:
	2015-06-30  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/66652
	* tree-parloops.c (try_transform_to_exit_first_loop_alt): Use
	max_loop_iterations to determine if nit + 1 overflows.

	2015-06-29  Tom de Vries  <tom@codesourcery.com>

	* tree-parloops.c (try_transform_to_exit_first_loop_alt): Simplify
	function structure.

	2015-06-22  Tom de Vries  <tom@codesourcery.com>

	* tree-parloops.c (transform_to_exit_first_loop_alt): Add update_stmt
	for cond_stmt.

2015-06-29  Nathan Sidwell  <nathan@codesourcery.com>

	* config/nvptx/nvptx.md (nvptx_reorg_subreg): New fn, broken out of ...
	(nvptx_reorg): Here.  Keep the non-subreg pieces.

2015-06-29  James Norris  <jnorris@codesourcery.com>

	* omp-low.c (expand_omp_target): Remove unnecessary conversion.

2015-06-26  Nathan Sidwell  <nathan@codesourcery.com>

	* config/nvptx/nvptx.md (UNSPEC_ID): Rename to ...
	(UNSPECV_ID): ... here.
	(oacc_id): Make volatile.
	* omp-builtins.def (BUILT_IN_GOACC_ID): Not a constant function.

2015-06-24  James Norris  <jnorris@codesourcery.com>

	* c/c-parser.c (finish_oacc_declare): Additional syntax checking
	and add restriction.
	* cp/decl.c (finish_oacc_declare): Handle null statement list and
	add restriction.
	* cp/parser.c (cp_parser_oacc_declare): Additional syntax checking.

2015-06-24  Tom de Vries  <tom@codesourcery.com>

	* tree-ssa-loop-manip.c (get_virtual_phi): Factor out of ...
	(rewrite_virtuals_into_loop_closed_ssa): ... here.

2015-06-24  Tom de Vries  <tom@codesourcery.com>

	* tree-ssa-loop-manip.c (replace_uses_in_dominated_bbs): Factor out
	of ...
	(rewrite_virtuals_into_loop_closed_ssa): ... here.

2015-06-24  Tom de Vries  <tom@codesourcery.com>

	* dominance.c (bitmap_get_dominated_by): New function.
	* dominance.h (bitmap_get_dominated_by): Declare.
	* tree-ssa-loop-manip.c (rewrite_virtuals_into_loop_closed_ssa): Use
	bitmap_get_dominated_by.

2015-06-24  Tom de Vries  <tom@codesourcery.com>

	* tree-parloops.c (replace_uses_in_bbs_by)
	(rewrite_virtuals_into_loop_closed_ssa): Move to ...
	* tree-ssa-loop-manip.c: here.
	* tree-ssa-loop-manip.h (rewrite_virtuals_into_loop_closed_ssa):
	Declare.

2015-06-23  Nathan Sidwell  <nathan@codesourcery.com>

	Port from trunk.
	* config/nvptx/nvptx.md (sel_true<mode>, sel_false<mode>): New
	conditional selects.
	(setcc_int<mode>, setcc_float<mode>): Reformat.

2015-06-22  Nathan Sidwell  <nathan@codesourcery.com>

	* omp-low.c (expand_oacc_get_num_threads): Use OACC enum.
	(expand_oacc_get_thread_num, make_predication_test): Likewise.
	* builtins.c (expand_oacc_id): Use UINTVAL.

	* omp-builtins.def (BUILT_IN_GOACC_NTID, BUILTIN_NCTAID): Replace
	with ...
	(BUILT_IN_GOACC_NID): ... this.
	(BUILT_IN_GOACC_TID, BUILTIN_CTAID): Replace with ...
	(BUILT_IN_GOACC_ID): ... this.
	* builtins.c: Include omp-low.h.
	(expand_oacc_buoltin): Replace with ...
	(expand_oacc_id): ... this.
	(expand_builtin, is_simple_builtin): Adjust.oo
	* omp-low.h (enum oacc_loop_levels): New.
	* omp-low.c (MASK_GANG, MASK_WORKER, MASK_VECTOR): Replace with ...
	(OACC_LOOP_MASK): ... this.
	(scan_omp_for, scan_omp_target): Adjust.
	(expand_oacc_get_num_threads): Adjust and use a loop.
	(expand_oacc_get_thread_num): Likewise.
	(oacc_loop_needs_thread_barrier_p, find_omp_for_region_gwv,
	find_omp_taarget_region_data, required_predication_mask,
	generate_vector_broadcast, generate_oacc_broadcast): Adjust.
	(make_predication_test): Adjust and use a loop.
	(predicate_bb, oacc_broadcast, oacc_init_count_vars): Adjust.
	* config/nvptx/nvptx.md (UNSPEC_NTID, UNSPEC_TID, UNSPEC_NCTAID,
	UNSPEC_CTAID): Replace with ...
	(UNSPEC_NID, UNSPEC_ID): ... these.
	(*oacc_ntid_insn, oacc_ntid, *oacc_tid_insn, oacc_tid,
	*oacc_nctaid_insn, oacc_nctaid, *oacc_ctaid_insn,
	oacc_ctaid): Replace with ...
	(oacc_nid, oacc_id): ... these.
	* config/nvptx/nvptx.c (nvptx_print_operand [CASE 'd']): Remove.

2015-06-19  Tom de Vries  <tom@codesourcery.com>

	* tree-parloops.c (struct reduction_info): Add reduc_addr field.
	(create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
	(gen_parallel_loop): Init clsn_data for oacc_kernels_p case.
	(try_create_reduction_list): Add and handle oacc_kernels_p parameter.
	(parallelize_loops): Add argument to call to try_create_reduction_list.

2015-06-18  Tom de Vries  <tom@codesourcery.com>

	* passes.def: Move pass_fre later in pass group pass_oacc_kernels,
	replacing pass_copy_prop.

2015-06-18  Tom de Vries  <tom@codesourcery.com>

	* tree-parloops.c (rewrite_virtuals_into_loop_closed_ssa): New function.
	(transform_to_exit_first_loop_alt): Use
	rewrite_virtuals_into_loop_closed_ssa.

2015-06-18  Tom de Vries  <tom@codesourcery.com>

	* tree-parloops.c (transform_to_exit_first_loop_alt): Add update_stmt
	for cond_stmt.
	(try_get_loop_niter): Declare forward.
	(try_transform_to_exit_first_loop_alt): Use try_get_loop_niter to get
	updated number of iterations.  Extract alt_bount, and instantiate it.

2015-06-17  Cesar Philippidis  <cesar@codesourcery.com>

	* omp-low.c (extract_omp_for_data): Only use static_chunk
	scheduling for acc gang loops when a the gang clause contains
	a non-'*' static argument.

2015-06-16  Tom de Vries  <tom@codesourcery.com>

	* varpool.c (make_offloadable_1): Declare decl with ATTRIBUTE_UNUSED.

2015-06-16  Tom de Vries  <tom@codesourcery.com>

	* omp-low.c (lower_reduction_clauses): Remove unused variable call.

2015-06-16  Chung-Lin Tang  <cltang@codesourcery.com>

	* omp-low.c (struct omp_region): Add inside_kernels_p field.
	(expand_omp_for_generic): Adjust to generate a 'sequential' loop
	when GOMP builtin arguments are BUILT_IN_NONE.
	(expand_omp_for): Use expand_omp_for_generic() to generate a
	non-parallelized loop for OMP_FORs inside OpenACC kernels regions.
	(expand_omp): Mark inside_kernels_p field true for regions
	nested inside OpenACC kernels constructs.

2015-06-15  Cesar Philippidis  <cesar@codesourcery.com>

	* omp-low.c (expand_omp_for_static_nochunk): Update entry_bb after
	calling oacc-boradcast.
	(expand_omp_for_static_chunk): Likewise.
	(generate_oacc_broadcast): Insert a barrier after reading from
	shared memory.
	(set<tree> live_in): New static set.
	(populate_loop_live_in): New function.
	(oacc_populate_live_in_1): New function.
	(oacc_populate_live_in): New function.
	(oacc_broadcast): Extract loop data from omp_regions instead of
	omp_for_data, populate live_in set, broadcast worker variables, and
	return updated entry_bb.

2015-06-15  Julian Brown  <julian@codesourcery.com>

	* omp-low.c (build_oacc_threadbarrier): New function.
	(oacc_loop_needs_threadbarrier_p): New function.
	(expand_omp_for_static_nochunk, expand_omp_for_static_chunk):
	Insert threadbarrier after worker loops.
	(find_omp_for_region_data): Rename to...
	(find_omp_for_region_gwv): This. Return mask, rather than modifying
	REGION structure.
	(build_omp_regions_1): Move modification of REGION structure to
	here, after calling above function with new name.
	(generate_oacc_broadcast): Use new build_oacc_threadbarrier
	function.
	(make_gimple_omp_edges): Make edges out of OpenACC worker loop exit
	block abnormal.
	* tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Add
	BUILT_IN_GOACC_THREADBARRIER.

2015-06-15  Julian Brown  <julian@codesourcery.com>

	* omp-low.c (make_predication_test): Split false edge out of
	cond_bb, making latter part abnormal.
	(predicate_bb): Set EDGE_ABNORMAL on edges before broadcast
	operations.

2015-06-15  Julian Brown  <julian@codesourcery.com>

	* builtins.c (expand_oacc_builtin): Return const1_rtx for
	ntid/nctaid builtins when the associated patterns are not present.
	* omp-builtins.def (BUILT_IN_GOACC_GET_THREAD_NUM)
	(BUILT_IN_GOACC_GET_NUM_THREADS): Remove.
	* omp-low.c (struct omp_for_data): Remove gang, worker, vector
	fields.
	(extract_omp_for_data): Don't initialise deleted gang, worker,
	vector fields.
	(expand_oacc_get_num_threads, expand_oacc_get_thread_num): New
	functions.
	(lower_reduction_clauses): Use above functions.
	(expand_omp_for_static_nochunk): Likewise.
	(expand_omp_for_static_chunk): Likewise.

2015-06-11  Cesar Philippidis  <cesar@codesourcery.com>

	* omp-low.c (extract_omp_for_data): Adjust the chunk_size
	based on the static argument of the gang clause.

2015-06-10  Cesar Philippidis  <cesar@codesourcery.com>

	* omp-low.c (enclosing_target_ctx): Un-ifdef. Remove null checking
	assert.
	(scan_omp_for): Check for incompatible combination of acc loop clauses.

2015-06-09  Tom de Vries  <tom@codesourcery.com>

	backport from trunk:
	2015-06-09  Tom de Vries  <tom@codesourcery.com>

	* gimple-iterator.h (gimple_seq_nondebug_singleton_p): Don't
	always return false.

2015-06-08  James Norris  <jnorris@codesourcery.com>

	* builtin-types.def (BT_FN_VOID_PTR_INT_UINT): New type.
	* gimple-pretty-print.c (dump_gimple_omp_target): Handle declare
	directive.
	* gimple.h (gf_mask): Add enum.
	(is_gimple_omp_oacc): Add declare directive.
	* gimplify.c (omp_notice_variable): Handle device_resident.
	(gimplify_omp_target_update): Handle declare directive.
	(gimplify_expr): Handle declare directive.
	* omp-builtins.def (BUILT_IN_GOACC_STATIC, BUILT_IN_GOACC_DECLARE):
	New types.
	* omp-low.c (expand_omp_target): Handle declare directive.
	(build_omp_regions_1): Likewise.
	(lower_omp_target): Likewise.
	(make_gimple_omp_edges): Likewise.
	* varpool.c (gomp-constants.h): Add inclusion.
	(make_offloadable_1, make_offloadable): New functions.
	(get_create): Add calls to make_offloadable.

2015-06-08  Tom de Vries  <tom@codesourcery.com>

	backport from trunk:
	2015-06-08  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/66442
	* gimple-iterator.h (gimple_seq_nondebug_singleton_p): Add function.
	* tree-parloops.c (try_transform_to_exit_first_loop_alt): Return false
	if the loop latch is not a singleton.  Use
	gimple_seq_nondebug_singleton_p instead of gimple_seq_singleton_p.

2015-06-04  Tom de Vries  <tom@codesourcery.com>

	* omp-low.c (gimple_stmt_ssa_operand_references_var_p): Remove function.
	(gimple_stmt_omp_data_i_init_p): Rewrite without
	gimple_stmt_ssa_operand_references_var_p.

2015-06-04  Tom de Vries  <tom@codesourcery.com>

	* omp-low.c (release_dangling_ssa_names): Factor out of ...
	(pass_expand_omp_ssa::execute): ... here.

2015-06-04  Tom de Vries  <tom@codesourcery.com>

	* omp-low.c (release_first_vuse_in_edge_dest): Add missing comment.

2015-06-04  Tom de Vries  <tom@codesourcery.com>

	* cfgloop.h (struct loop): Add in_oacc_kernels_region field.
	* omp-low.c (mark_loops_in_oacc_kernels_region): New function.
	(loop_get_oacc_kernels_region_entry): New function.
	(expand_omp_target): Call mark_loops_in_oacc_kernels_region.
	(loop_in_oacc_kernels_region_p): Remove function.
	* omp-low.h (loop_in_oacc_kernels_region_p): Remove declaration.
	(loop_get_oacc_kernels_region_entry): Declare.
	* tree-parloops.c (parallelize_loops): Use in_oacc_kernels_region field and
	loop_get_oacc_kernels_region_entry.
	* tree-ssa-loop-ch.c (pass_ch_execute): Use in_oacc_kernels_region field.

2015-06-04  Tom de Vries  <tom@codesourcery.com>

	backport from trunk:
	2015-05-28  H.J. Lu  <hongjiu.lu@intel.com>

	* builtins.c (expand_builtin_acc_on_device): Mark parameters
	with ATTRIBUTE_UNUSED.

2015-06-03  Cesar Philippidis  <cesar@codesourcery.com>

	* builtins.c (expand_builtin_oacc_thread_broadcast): Allow
	constant value operads.
	* omp-low.c (expand_omp_for_static_nochunk): Broadcast variables
	to openacc vector threads when necessary.
	(expand_omp_for_static_chunk): Likewise.
	(generate_vector_broadcast): Teach how to handle non-integral typed
	variables.
	(populate_loop_use): New function.
	(oacc_broadcast_1): New function.
	(oacc_broadcast): New function.

2015-06-02  Bernd Schmidt  <bernds@codesourcery.com>

	* omp-low.c (oacc_alloc_broadcast_storage): Remove unused parameter
	CLAUSES and unnecessary code.  All callers changed.
	(expand_omp_target): Only look for entry-end statement if offloaded.
	(predicate_bb): Extend code to also jump around atomic regions.

2015-06-01  Tom de Vries  <tom@codesourcery.com>

	Revert:
	2015-05-28  Tom de Vries  <tom@codesourcery.com>

	* passes.def: Replace pass_copy_prop with pass_fre. Surround with
	pass_tree_loop_done and pass_tree_loop_init.

2015-06-01  Bernd Schmidt  <bernds@codesourcery.com>

	* gimple.h (struct gimple_statement_omp_parallel_layout): Add a
	broadcast_array field.
	(gimple_omp_target_broadcast_array,
	gimple_omp_target_set_broadcast_array): New inline functions.
	* omp-low.c (struct omp_region): Add a broadcast_array field.
	(find_omp_target_region_data): Initialize it.  Change STMT arg to
	be a gomp_target *.  All callers changed.
	(struct omp_context): Add worker_sync_elt field.
	(alloc_var_ganglocal): Properly handle a NULL underlying_var.
	(oacc_alloc_broadcast_storage): Likewise.
	(required_predication_mask): New function.
	(requires_vector_predicate): Remove.  All callers changed to use
	required_predication_mask.
	(generate_vector_broadcast): Return a statement suitable as a
	block splitting point.
	(generate_oacc_broadcast, make_predication_test): New static
	functions.
	(predicate_bb): New arg MASK.  All callers changed.  Use
	generate_oacc_braodcast and use the split point it returns.
	Handle WSVP regions by jumping across entire loops.  Use
	make_predication_test.  Correctly handle GIMPLE_OMP_RETURN.
	(lower_omp_target): Call oacc_alloc_broadcast_storage.  Call
	gimple_omp_target_set_broadcast_array on the stmt.

2015-06-01  Tom de Vries  <tom@codesourcery.com>

	* builtin-attrs.def (DOT_DOT_r_r_r): Remove DEF_ATTR_FOR_STRING.
	(DOT_DOT_DOT_DOT_r_r_r): Add DEF_ATTR_FOR_STRING.
	(ATTR_FNSPEC_DOT_DOT_r_r_r_NOTHROW_LIST): Remove DEF_ATTR_TREE_LIST.
	(ATTR_FNSPEC_DOT_DOT_DOT_DOT_r_r_r_NOTHROW_LIST): Add
	DEF_ATTR_TREE_LIST.
	* omp-builtins.def (BUILT_IN_GOACC_DATA_START)
	(BUILT_IN_GOACC_ENTER_EXIT_DATA, BUILT_IN_GOACC_KERNELS_INTERNAL)
	(BUILT_IN_GOACC_UPDATE): Fix fnspec.

2015-06-01  Tom de Vries  <tom@codesourcery.com>

	* omp-low.c (expand_omp_target): Fix GIMPLE_OMP_ENTRY_END handling for
	ssa.

2015-05-29  Bernd Schmidt  <bernds@codesourcery.com>

	* omp-low.c (struct omp_context): Add worker_var and worker_count
	fields.
	(oacc_init_count_vars): New function.
	(lower_omp_target): Call it.

	* config/nvptx/nvptx.md (UNSPECV_BARSYNC): New constant.
	(oacc_threadbarrier): New expander.
	(threadbarrier_insn): New pattern.
	* config/nvptx/nvptx.c (nvptx_cannot_copy_insn_p):
	* omp-builtins.def (BUILT_IN_GOACC_THREADBARRIER): Define.
	* builtins.c (expand_oacc_threadbarrier): Expand it.
	(expand_builtin): Handle it.

	* gimple.def (GIMPLE_OMP_ENTRY_END): New code.
	* gimple.h (gimple_build_omp_entry_end): Declare.
	(CASE_GIMPLE_OMP): Add GIMPLE_OMP_ENTRY_END.
	* gimple.c (gimple_build_omp_entry_end): New function.
	* gimple-low.c (lower_stmt): Handle GIMPLE_OMP_ENTRY_END.
	* omp-low.c (expand_omp_target): Remove the entry end statement.
	(predicate_bb): Don't predicate a block ending with
	GIMPLE_OMP_ENTRY_END.
	(lower_omp_target): Append a GIMPLE_OMP_ENTRY_END after the
	ganglocal data allocation.
	(make_gimple_omp_edges): Handle GIMPLE_OMP_ENTRY_END.
	* gimple-pretty-print.c (pp_gimple_stmt_1): Likewise.

2015-05-28  Tom de Vries  <tom@codesourcery.com>

	* passes.def: Replace pass_copy_prop with pass_fre. Surround with
	pass_tree_loop_done and pass_tree_loop_init.
	* tree-parloops.c (gen_parallel_loop): Bail out of parallelization if
	try_transform_to_exit_first_loop_alt fails.

2015-05-28  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/65443
	* tree-parloops.c (replace_imm_uses, replace_uses_in_bb_by)
	(replace_uses_in_bbs_by, transform_to_exit_first_loop_alt)
	(try_transform_to_exit_first_loop_alt): New function.
	(transform_to_exit_first_loop): Use
	try_transform_to_exit_first_loop_alt.

2015-05-28  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/65419
	* cfgexpand.c (pass_data_expand): Add PROP_gimple_lompifn to
	properties_required field.
	* gimplify.c (gimplify_omp_workshare): Use IFN_GOACC_DATA_END_WITH_ARG
	instead of BUILT_IN_GOACC_DATA_END.  Clear PROP_gimple_lompifn in
	curr_properties.
	(gimplify_function_tree): Tentatively set PROP_gimple_lompifn in
	curr_properties.
	* internal-fn.c (expand_GOACC_DATA_END_WITH_ARG): New dummy function.
	* internal-fn.def (GOACC_DATA_END_WITH_ARG): New DEF_INTERNAL_FN.
	* omp-low.c (lower_omp_target): Set argument of GOACC_DATA_END_WITH_ARG.
	(pass_data_late_lower_omp): New pass_data.
	(pass_late_lower_omp): New pass.
	(pass_late_lower_omp::gate, pass_late_lower_omp::execute)
	(make_pass_late_lower_omp): New function.
	* passes.def: Add pass_late_lower_omp.
	* tree-inline.c (expand_call_inline): Handle PROP_gimple_lompifn.
	* tree-pass.h (PROP_gimple_lompifn): Add define.

2015-05-28  Julian Brown  <julian@codesourcery.com>

	PR libgomp/65742

	* builtins.c (expand_builtin_acc_on_device): Don't use open-coded
	sequence for !ACCEL_COMPILER.

2015-05-27  Tom de Vries  <tom@codesourcery.com>

	* tree-parloops.c (parallelize_loops): Remove checks limiting type of
	loops allowed.

2015-05-21  Bernd Schmidt  <bernds@codesourcery.com>

	* omp-low.c (struct omp_region): Add a gwv_this field.
	(bb_region_map): New variable.
	(find_omp_for_region_data, find_omp_target_region_data): New static
	functions.
	(build_omp_regions_1): Call them.  Build the bb_region_map.
	(enclosing_target_region, requires_vector_predicate,
	generate_vector_broadcast, predicate_bb, find_predicatable_bbs,
	predicate_omp_regions): New static functions.
	(execute_expand_omp): Allocate and free bb_region_map.

2015-05-20  Bernd Schmidt  <bernds@codesourcery.com>

	* config/nvptx/nvptx.c: Include "dumpfile,h".
	(condition_unidirectional_p): New static function.
	(nvptx_print_operand): Use it for new 'U' handling.
	(nvptx_reorg): Compute warp_equal_pseudos.
	* config/nvptx/nvptx.h (struct machine_function): New field
	warp_equal_pseudos.
	* config/nvptx/nvptx.md (br_true, br_false): Add %U modifier.

2015-05-19  Bernd Schmidt  <bernds@codesourcery.com>

	* omp-builtins.def (GOACC_thread_broadcast,
	GOACC_thread_broadcast_ll): New builtins.
	* optabs.def (oacc_thread_broadcast_optab): New optab.
	* builtins.c (expand_builtin_oacc_thread_broadcast): New function.
	(expand_builtin): Use it.
	* config/nvptx/nvptx.c (nvptx_cannot_copy_insn_p): New function.
	(TARGET_CANNOT_COPY_INSN_P): Define.
	* config/nvptx/nvptx.md (UNSPECV_WARP_BCAST): New constant.
	(oacc_thread_broadcastsi): New pattern.
	(oacc_thread_broadcastdi): New expander.

2015-05-19  Tom de Vries  <tom@codesourcery.com>

	* omp-low.c (enclosing_target_ctx): Comment out.

2015-05-18  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/65637
	* omp-low.c (expand_omp_for_static_chunk): Handle case that fin_bb has 2
	predecessors.

2015-05-18  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/65637
	* omp-low.c (find_phi_with_arg_on_edge): New function.
	(expand_omp_for_static_chunk): Fix inner loop phi.

2015-05-18  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/65637
	* omp-low.c (expand_omp_for_static_chunk): Fix gcc_assert for the case
	that head is NULL.

2015-05-15  Cesar Philippidis  <cesar@codesourcery.com>

	* omp-low.c (scan_omp_for): Remove check for nested parallel and
	kernels regions.

2015-05-13  Bernd Schmidt  <bernds@codesourcery.com>

	* config/nvptx/nvptx-opts.h: New file.
	* config/nvptx/nvptx.c (nvptx_file_start): Print the correct .target.
	* config/nvptx/nvptx.h: Include "nvptx-opts.h".
	(ASM_SPEC): Define.
	(TARGET_SM35): New macro.
	* config/nvptx/nvptx.md (atomic_fetch_<logic><mode>): Enable with the
	correct predicate.
	* config/nvptx/nvptx.opt (ptx_isa, sm_30, sm_35): New enum and its
	values.
	(misa=): New option.

2015-05-13  Cesar Philippidis  <cesar@codesourcery.com>

	* except.c (finish_eh_generation): Don't finalize exeception
	handlers for functions containing the "oacc function" attribute.
	* omp-low.c (create_omp_child_function): Add an "oacc function"
	attribute to acc regions.

	* langhooks-def.h (lhd_omp_mappable_type): Add bool argument.
	* langhooks.c (lhd_omp_mappable_type): Likewise, for the
	parameter.
	* langhooks.h (struct lang_hooks_for_types): Add bool oacc
	argument.
	* gimplify.c (omp_notice_variable): Use it when calling the
	omp_mappable_type langhook.

2015-05-13  Thomas Schwinge  <thomas@codesourcery.com>
	    Bernd Schmidt  <bernds@codesourcery.com>
	    Cesar Philippidis  <cesar@codesourcery.com>
	    Chung-Lin Tang  <cltang@codesourcery.com>
	    James Norris  <jnorris@codesourcery.com>
	    Joseph Myers  <joseph@codesourcery.com>
	    Julian Brown  <julian@codesourcery.com>
	    Tom de Vries  <tom@codesourcery.com>

	* builtin-types.def
	(BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_INT_INT_INT_INT_INT_VAR):
	Remove.
	(BT_FN_INT_INT_INT_INT)
	(BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_INT_INT_INT_SIZE_INT_INT_VAR):
	New function types.
	* builtins.c (expand_oacc_builtin, expand_oacc_ganglocal_ptr): New
	functions.
	(expand_builtin, is_simple_builtin): Use them.
	* config/nvptx/mkoffload.c (process): Protect
	GOMP_offload_register prototype from C++ name mangling.
	* config/nvptx/nvptx.c (nvptx_file_start): Print declaration of
	sdata.
	* config/nvptx/nvptx.md (UNSPEC_NCTAID, UNSPEC_CTAID)
	(UNSPEC_SHARED_DATA): New constants.
	(oacc_nctaid_insn, oacc_nctaid, oacc_ctaid_insn, oacc_ctaid)
	(ganglocal_ptr<mode>, ganglocal_ptr): New patterns.
	* doc/md.texi (oacc_ntid, oacc_tid): Document.
	* gimple.h (gimple_statement_omp_parallel_layout): Add
	ganglocal_size member.
	(gimple_omp_target_ganglocal_size)
	(gimple_omp_target_set_ganglocal_size): New functions.
	* gimplify.c (gimplify_omp_var_data): Add GOVD_USE_DEVICE,
	GOVD_FORCE_MAP, GOVD_GANGLOCAL.
	(omp_region_type): Add ORT_HOST_DATA.
	(omp_region_kind, acc_region_kind): New enum types.
	(gimplify_omp_ctx): Add region_kind, acc_region_kind members.
	(new_omp_context, omp_add_variable, omp_notice_variable)
	(gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1): Update
	for OpenACC.
	(gimplify_scan_omp_clauses): Add region_kind formal parameter.
	Adjust all users.
	(gimplify_oacc_host_data_1, gimplify_oacc_host_data): New
	functions.
	(gimplify_expr): Update handling of OACC_HOST_DATA.
	* omp-builtins.def (BUILT_IN_GOACC_KERNELS_INTERNAL)
	(BUILT_IN_GOACC_KERNELS, BUILT_IN_GOACC_PARALLEL): Change type
	from BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_INT_INT_INT_INT_INT_VAR
	to
	BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_INT_INT_INT_SIZE_INT_INT_VAR.
	Adjust all users.
	(BUILT_IN_GOACC_GET_THREAD_NUM, BUILT_IN_GOACC_GET_NUM_THREADS):
	Change type from from BT_FN_INT to BT_FN_INT_INT_INT_INT.  Adjust
	all users.
	(BUILT_IN_GOACC_NTID, BUILT_IN_GOACC_TID, BUILT_IN_GOACC_NCTAID)
	(BUILT_IN_GOACC_CTAID, BUILT_IN_GOACC_GET_GANGLOCAL_PTR)
	(BUILT_IN_GOACC_DEVICEPTR): New builtins.
	* omp-low.c (omp_context): Add oacc_reduction_set, ganglocal_init,
	ganglocal_ptr, ganglocal_size, ganglocal_size_host members.
	(new_omp_context, delete_omp_context): Initialize/deinitialize
	these, respectively.
	(omp_for_data): Add gang, worker, vector members.
	(extract_omp_for_data): Populate these.
	(oacc_max_threads, oacc_finalize_reduction_data): Rewrite
	functions.
	(is_oacc_parallel, oacc_parallel_max_reduction_array_size)
	(align_and_expand, alloc_var_ganglocal, install_var_ganglocal)
	(install_array_var_ganglocal)
	(oacc_outermost_parallel_kernels_context, oacc_inside_routine)
	(is_oacc_multithreaded, oacc_needs_global_memory)
	(is_atomic_compatible_reduction, oacc_serial_reduction)
	(oacc_process_reduction_data_helper): New functions.
	(build_outer_var_ref, fixup_remapped_decl, scan_sharing_clauses)
	(check_omp_nesting_restrictions, lower_rec_input_clauses)
	(lower_reduction_clauses, oacc_initialize_reduction_data)
	(oacc_process_reduction_data, lower_omp_target)
	(lower_omp_regimplify_p): Update for OpenACC.
	* tree-parloops.c (create_parallel_loop): For OpenACC, switch from
	vector to gang parallelism.
	* tree-pretty-print.c (dump_omp_clause): Handle
	GOMP_MAP_FORCE_TO_GANGLOCAL.

2015-05-13  Bernd Schmidt  <bernds@codesourcery.com>

	* config/nvptx/mkoffload.c (enum Kind, struct Token, enum Vis)
	(struct Stmt): Remove.
	(read_file, tokenize, write_token, write_tokens, alloc_stmt)
	(alloc_comment, append_stmt, rev_stmts, write_stmt, write_stmts)
	(parse_insn, parse_list_nosemi, parse_init, parse_file): Remove
	functions and macros.
	(decls, vars, fns): Remove variables.
	(maybe_unlink): Use save_temps rather than debug to keep files.
	(tool_cleanup): Unlink ptx_cfile_name and ptx_name.
	(read_file): Accept a pointer to a length and store into it.
	(process): Don't try to parse the input file, just write it out as a
	string, but looking for maps.  Also write out the length.
	(main): Don't use -S to compile ptx code.  Add -lgomp.  Add
	COLLECT_MKOFFLOAD_OPTIONS.  Scan for -fopenacc and produce an empty
	image if it is not set.  Scan for -save-temps.
	* gcc.c (mkoffload_options): New static variable.
	(display_help): Mention -Xoffload
	(driver_handle_option): Handle it.
	(add_mkoffload_option): New static function.
	(set_collect_gcc_options): If offloading, set
	COLLECT_MKOFFLOAD_OPTIONS.
	* doc/invoke.texi (-Xoffload): Document.
	* common.opt (Xoffload): New option.
	* gcc.c (process_command): Use spec_machine rather than
	spec_host_machine to build tooldir_prefix2.

2015-05-11  Thomas Schwinge  <thomas@codesourcery.com>
	    Bernd Schmidt  <bernds@codesourcery.com>
	    Cesar Philippidis  <cesar@codesourcery.com>
	    Chung-Lin Tang  <cltang@codesourcery.com>
	    James Norris  <jnorris@codesourcery.com>
	    Joseph Myers  <joseph@codesourcery.com>
	    Julian Brown  <julian@codesourcery.com>
	    Tom de Vries  <tom@codesourcery.com>

	* gimplify.c (gimplify_scan_omp_clauses)
	(gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_TILE.
	(gimplify_expr): Don't verify OACC_KERNELS_COMBINED, and
	OACC_PARALLEL_COMBINED.
	* omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE_BIND,
	OMP_CLAUSE_NOHOST, OMP_CLAUSE_TILE.
	(check_omp_nesting_restrictions): Support GIMPLE_OMP_ATOMIC_LOAD,
	GIMPLE_OMP_ATOMIC_STORE inside OpenACC contexts.
	* tree-core.h (omp_clause_code): Add OMP_CLAUSE_BIND,
	OMP_CLAUSE_NOHOST, OMP_CLAUSE_TILE, OMP_CLAUSE_DEVICE_TYPE.
	* tree.c (omp_clause_num_ops, omp_clause_code_name, walk_tree_1):
	Update for these.
	* tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_TILE.
	* tree.h (OACC_KERNELS_COMBINED, OACC_PARALLEL_COMBINED): Remove
	macros.
	(OMP_CLAUSE_BIND_NAME, OMP_CLAUSE_TILE_LIST)
	(OMP_CLAUSE_DEVICE_TYPE_DEVICES, OMP_CLAUSE_DEVICE_TYPE_CLAUSES):
	Add macros.

2015-04-21  Tom de Vries  <tom@codesourcery.com>

	* builtin-attrs.def (DOT_DOT_r_r_r): Add DEF_ATTR_FOR_STRING.
	(ATTR_FNSPEC_DOT_DOT_r_r_r_NOTHROW_LIST): Add DEF_ATTR_TREE_LIST.
	* omp-builtins.def (BUILT_IN_GOACC_DATA_START)
	(BUILT_IN_GOACC_ENTER_EXIT_DATA, BUILT_IN_GOACC_UPDATE): Use
	DEF_GOACC_BUILTIN_FNSPEC instead of DEF_GOACC_BUILTIN.

	* passes.def: Add pass_fre after pass_ch_oacc_kernels.

	* passes.def: Add pass_scev_cprop to pass_oacc_kernels.
	* tree-ssa-loop.c (pass_scev_cprop::clone): New function.

	* passes.def: Add pass_parallelize_loops_oacc_kernels in pass group
	pass_oacc_kernels.
	* tree-parloops.c (create_parallel_loop, gen_parallel_loop): Add
	function parameters region_entry and bool oacc_kernels_p.  Handle
	oacc_kernels_p.
	Call create_parallel_loop with additional args.
	(parallelize_loops): Add function parameter oacc_kernels_p.  Calculate
	dominance info.  Skip loops that are not in a kernels region. Call
	gen_parallel_loop with additional args.
	(pass_parallelize_loops::execute): Call parallelize_loops with false
	argument.
	(pass_data_parallelize_loops_oacc_kernels): New pass_data.
	(class pass_parallelize_loops_oacc_kernels): New pass.
	(pass_parallelize_loops_oacc_kernels::execute)
	(make_pass_parallelize_loops_oacc_kernels): New function.
	* tree-pass.h (make_pass_parallelize_loops_oacc_kernels): Declare.

	* passes.def: Add pass_copy_prop to pass group pass_oacc_kernels.
	* tree-ssa-copy.c (stmt_may_generate_copy): Handle .omp_data_i init
	conservatively.

	* passes.def: Add pass_lim in pass group pass_ch_oacc_kernels.

	* passes.def: Run pass_tree_loop_init and pass_tree_loop_done in pass
	group pass_oacc_kernels.
	* tree-ssa-loop.c (pass_tree_loop_init::clone)
	(pass_tree_loop_done::clone): New function.

	* omp-low.c (loop_in_oacc_kernels_region_p): New function.
	* omp-low.h (loop_in_oacc_kernels_region_p): Declare.
	* passes.def: Add pass_ch_oacc_kernels to pass group pass_oacc_kernels.
	* tree-pass.h (make_pass_ch_oacc_kernels): Declare
	* tree-ssa-loop-ch.c: Include omp-low.h.
	(pass_ch_execute): Declare.
	(pass_ch::execute): Factor out ...
	(pass_ch_execute): ... this new function.  If handling oacc kernels,
	skip loops that are not in oacc kernels region.
	(pass_ch_oacc_kernels::execute):
	(pass_data_ch_oacc_kernels): New pass_data.
	(class pass_ch_oacc_kernels): New pass.
	(pass_ch_oacc_kernels::execute, make_pass_ch_oacc_kernels): New
	function.

	* passes.def: Add pass group pass_oacc_kernels.
	* tree-pass.h (make_pass_oacc_kernels): Declare.
	* tree-ssa-loop.c (gate_oacc_kernels): New static function.
	(pass_data_oacc_kernels): New pass_data.
	(class pass_oacc_kernels): New pass.
	(make_pass_oacc_kernels): New function.

	* omp-low.c: Include gimple-pretty-print.h.
	(release_first_vuse_in_edge_dest): New function.
	(expand_omp_target): When not in ssa, don't split off oacc kernels
	region, clear PROP_gimple_eomp in cfun->curr_properties to force later
	expanssion, and add GOACC_kernels_internal call.
	When in ssa, split off oacc kernels and convert GOACC_kernels_internal
	into GOACC_kernels call.  Handle ssa-code.
	(pass_data_expand_omp): Don't set PROP_gimple_eomp unconditionally in
	properties_provided field.
	(pass_expand_omp::execute): Set PROP_gimple_eomp in
	cfun->curr_properties tentatively.
	(pass_data_expand_omp_ssa): Add TODO_remove_unused_locals to
	todo_flags_finish field.
	(pass_expand_omp_ssa::execute): Release dangling SSA_NAMEs after calling
	execute_expand_omp.
	(gimple_stmt_ssa_operand_references_var_p)
	(gimple_stmt_omp_data_i_init_p): New function.
	* omp-low.h (gimple_stmt_omp_data_i_init_p): Declare.
	* passes.def: Add pass_expand_omp_ssa after pass_fre.  Add
	pass_expand_omp_ssa after pass_all_early_optimizations.
	* tree-ssa-ccp.c: Include omp-low.h.
	(surely_varying_stmt_p, ccp_visit_stmt): Handle .omp_data_i init
	conservatively.
	* tree-ssa-forwprop.c: Include omp-low.h.
	(pass_forwprop::execute): Handle .omp_data_i init conservatively.
	* tree-ssa-sccvn.c: Include omp-low.h.
	(visit_use): Handle .omp_data_i init conservatively.
	* cgraph.c (cgraph_node::release_body): Don't release offloadable
	functions.

	* builtin-attrs.def (DOT_DOT_DOT_r_r_r): Add DEF_ATTR_FOR_STRING.
	(ATTR_FNSPEC_DOT_DOT_DOT_r_r_r_NOTHROW_LIST): Add
	DEF_ATTR_TREE_LIST.
	* omp-builtins.def (BUILT_IN_GOACC_KERNELS_INTERNAL): Add
	DEF_GOACC_BUILTIN_FNSPEC.

	* builtins.def (DEF_GOACC_BUILTIN_FNSPEC): Define.

2015-03-21  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/65460
	* omp-low.c (expand_omp_target): Set parallelized_function on
	cgraph_node for child_fn.

2015-03-21  Tom de Vries  <tom@codesourcery.com>

	backport from trunk:
	2015-03-21  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/65458
	* cgraph.c (cgraph_node::dump): Handle parallelized_function field.
	* cgraph.h (cgraph_node): Add parallelized_function field.
	* lto-cgraph.c (lto_output_node): Write parallelized_function field.
	(input_overwrite_node): Read parallelized_function field.
	* omp-low.c (expand_omp_taskreg, finalize_task_copyfn): Set
	parallelized_function on cgraph_node for child_fn.
	* tree-parloops.c: Add include of plugin-api.h, ipa-ref.h and cgraph.h.
	Remove include of gt-tree-parloops.h.
	(parallelized_functions): Remove static variable.
	(parallelized_function_p): Rewrite using parallelized_function field of
	cgraph_node.
	(create_loop_fn): Remove adding to parallelized_functions.
	* Makefile.in (GTFILES): Remove tree-parloops.c

2015-03-21  Tom de Vries  <tom@codesourcery.com>

	backport from trunk:
	2015-03-18  Tom de Vries  <tom@codesourcery.com>

	* tree-parloops.c (parallelize_loops): Make static.
	* tree-parloops.h (parallelize_loops): Remove extern declaration.

2015-01-13  Thomas Schwinge  <thomas@codesourcery.com>

	* tree-core.h: Don't include "gomp-constants.h".
	(struct tree_omp_clause): Change type of map_kind member from enum
	gomp_map_kind to unsigned char.
	* tree.h (OMP_CLAUSE_MAP_KIND): Cast it to enum gomp_map_kind.
	(OMP_CLAUSE_SET_MAP_KIND): New macro.
	* gimplify.c (gimplify_adjust_omp_clauses_1)
	(gimplify_adjust_omp_clauses): Use OMP_CLAUSE_SET_MAP_KIND.
	* omp-low.c (oacc_initialize_reduction_data): Likewise.
	* tree-nested.c (convert_nonlocal_reference_stmt)
	(convert_local_reference_stmt, convert_gimple_call): Likewise.
	* tree-streamer-in.c (unpack_ts_omp_clause_value_fields):
	Likewise.

	* lto-streamer-out.c: Include "gomp-constants.h".
	* tree-streamer-in.c: Likewise.
	* tree-streamer-out.c: Likewise.

2015-01-12  Thomas Schwinge  <thomas@codesourcery.com>

	* tree-core.h (OMP_CLAUSE_MAP_ALLOC, OMP_CLAUSE_MAP_TO)
	(OMP_CLAUSE_MAP_FROM, OMP_CLAUSE_MAP_TOFROM)
	(OMP_CLAUSE_MAP_POINTER, OMP_CLAUSE_MAP_TO_PSET)
	(OMP_CLAUSE_MAP_FORCE_ALLOC, OMP_CLAUSE_MAP_FORCE_TO)
	(OMP_CLAUSE_MAP_FORCE_FROM, OMP_CLAUSE_MAP_FORCE_TOFROM)
	(OMP_CLAUSE_MAP_FORCE_PRESENT, OMP_CLAUSE_MAP_FORCE_DEALLOC)
	(OMP_CLAUSE_MAP_FORCE_DEVICEPTR, OMP_CLAUSE_MAP_LAST): Remove from
	enum omp_clause_map_kind.  Change all users to
	include/gomp-constants.h's enum gomp_map_kind.
	(enum omp_clause_map_kind): Remove.

2014-12-18  Thomas Schwinge  <thomas@codesourcery.com>

	* builtins.c (expand_builtin_acc_on_device): Fix logic error.

	* config/i386/intelmic-offload.h: New file.
	* config/nvptx/offload.h: Likewise.
	* config.gcc <*-intelmic-*, *-intelmicemul-*, nvptx-*>: Point to
	them via tm_file.

2014-12-18  Thomas Schwinge  <thomas@codesourcery.com>
	    Jakub Jelinek  <jakub@redhat.com>

	* builtins.c (expand_builtin_acc_on_device): Use
	do_compare_rtx_and_jump instead of emit_cmp_and_jump_insns.

	* builtins.c (expand_builtin_acc_on_device): Make more RTXy.

2014-12-17  Thomas Schwinge  <thomas@codesourcery.com>
	    Bernd Schmidt  <bernds@codesourcery.com>

	* tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_AUTO, and
	OMP_CLAUSE_SEQ.
	* tree.c (omp_clause_num_ops, omp_clause_code_name, walk_tree_1):
	Update accordingly.
	* gimplify.c (gimplify_scan_omp_clauses)
	(gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_AUTO,
	OMP_CLAUSE_GANG, OMP_CLAUSE_SEQ, OMP_CLAUSE_VECTOR, and
	OMP_CLAUSE_WORKER.
	* tree-pretty-print.c (dump_omp_clause): Likewise.
	* omp-low.c (scan_sharing_clauses): Likewise.
	(struct omp_context): Add gwv_below, and gwv_this members.
	(enclosing_target_ctx, oacc_loop_or_target_p): New functions.
	(scan_omp_for, scan_omp_target): Use those.

2014-12-17  Thomas Schwinge  <thomas@codesourcery.com>

	* tree-nested.c (convert_nonlocal_reference_stmt)
	(convert_local_reference_stmt, convert_tramp_reference_stmt)
	(convert_gimple_call) <GIMPLE_OMP_TARGET>: Use
	is_gimple_omp_offloaded.

	* omp-low.c (lower_reduction_clauses): Simplify OpenACC handling.

	* gimple.h: Rename is_gimple_omp_oacc_specifically to
	is_gimple_omp_oacc.  Update all users.

	* gimplify.c (enum omp_region_type): Restore ORT_TARGET_DATA and
	ORT_TARGET.  Update all users.

	* doc/generic.texi (OpenMP): Move OpenACC stuff into...
	(OpenACC): ... this new subsection.

	* builtin-types.def: Remove BT_FN_VOID_INT_PTR_INT.

	* oacc-builtins.def: Merge into omp-builtins.def.  Update all users.

	* builtins.c (expand_builtin_acc_on_device): Use
	include/gomp-constants.h.
	* omp-low.c (expand_omp_target, oacc_process_reduction_data)
	(lower_omp_target): Likewise.
	* tree-core.h (enum omp_clause_map_kind): Likewise.

	* omp-low.c (build_omp_regions_1, make_gimple_omp_edges): Simplify
	multi-line if conditions.

2014-12-10  Thomas Schwinge  <thomas@codesourcery.com>

	* omp-low.c (scan_omp_target): Remove taskreg_nesting_level and
	target_nesting_level assertions.
	(check_omp_nesting_restrictions): Rework OpenACC constructs
	handling.  Update and extend the relevant test cases.

2014-12-10  Thomas Schwinge  <thomas@codesourcery.com>
	    Bernd Schmidt  <bernds@codesourcery.com>

	* gimple.def (GIMPLE_OACC_KERNELS, GIMPLE_OACC_PARALLEL): Merge
	into GIMPLE_OMP_TARGET.  Update all users.

2014-12-10  Thomas Schwinge  <thomas@codesourcery.com>

	* cgraphbuild.c (pass_build_cgraph_edges::execute): Remove
	handling of GIMPLE_OACC_PARALLEL.
	* gimple-pretty-print.c (dump_gimple_omp_target): Dump a bit more
	data, pretty-printing.

	* omp-low.c (build_omp_regions_1, make_gimple_omp_edges)
	<GIMPLE_OMP_TARGET>: Handle
	GF_OMP_TARGET_KIND_OACC_ENTER_EXIT_DATA the same as
	GF_OMP_TARGET_KIND_OACC_UPDATE.

2014-11-13  Cesar Philippidis  <cesar@codesourcery.com>

	* omp-low.c (oacc_get_reduction_array_id): Fix whitespace.

2014-11-13  Cesar Philippidis  <cesar@codesourcery.com>

	* omp-low.c (omp_get_id): Rename to...
	(oacc_get_reduction_array_id): ... this.
	(lookup_oacc_reduction): ... this.
	(lookup_reduction): Rename to...
	(maybe_lookup_reduction): Rename to...
	(maybe_lookup_oacc_reduction): ... this.
	(scan_sharing_clauses): Update calls to renamed fns.
	(lower_reduction_var_helper): Rename to...
	(oacc_lower_reduction_var_helper): ... this.
	(lower_reduction_clauses): Rename to...
	(oacc_lower_reduction_clauses): ... this.
	(omp_gimple_assign_with_ops): Rename to...
	(oacc_gimple_assign_with_ops): ... this.
	(initialize_reduction_data): Rename to ...
	(oacc_initialize_reduction_data): ... this.
	(finalize_reduction_data): Rename to...
	(oacc_finalize_reduction_data): ... this.
	(process_reduction_data): Rename to...
	(oacc_process_reduction_data): ... this.
	(lower_omp_target): Update calls to renamed fns.

2014-11-13  Thomas Schwinge  <thomas@codesourcery.com>

	* gimplify.c (gimplify_omp_workshare) <OACC_DATA, OACC_KERNELS,
	OACC_PARALLEL>: Don't request ORT_TARGET_MAP_FORCE.
	(enum gimplify_omp_var_data, enum omp_region_type): Remove
	GOVD_MAP_FORCE, and ORT_TARGET_MAP_FORCE, respectively.  Update
	all users.

	* omp-low.c (scan_sharing_clauses) <OMP_CLAUSE_MAP>: Revert
	earlier change.

2014-11-12  Cesar Philippidis  <cesar@codesourcery.com>

	* tree.c (omp_clause_code_name): Add missing comma
	after "_Cilk_for_count_".

2014-11-12  Thomas Schwinge  <thomas@codesourcery.com>

	* gimplify.c (gimplify_omp_for): Eliminate govd_private; always
	use GOVD_PRIVATE.

	* omp-low.c (scan_oacc_offload, expand_oacc_offload)
	(lower_oacc_offload): Merge into scan_omp_target,
	expand_omp_target, lower_omp_target, respectively.  Update all
	users.

2014-11-11  Thomas Schwinge  <thomas@codesourcery.com>

	* omp-low.c (scan_sharing_clauses): Remove bogus assertion.

	* omp-low.c (delete_omp_context): Dispose of reduction_map.

	* omp-low.c (maybe_lookup_reduction): Don't require an OpenACC
	context.
	(lower_oacc_offload): Simplify use of maybe_lookup_reduction.

	* omp-low.c (lower_omp_target): Restore two gcc_asserts.

2014-11-06  Thomas Schwinge  <thomas@codesourcery.com>

	* gimple.h (is_gimple_omp_oacc_specifically): Return true for
	GIMPLE_OMP_TARGET's GF_OMP_TARGET_KIND_OACC_ENTER_EXIT_DATA.

	* omp-low.c (lower_reduction_clauses): Initialize tid.

2014-11-05  Thomas Schwinge  <thomas@codesourcery.com>

	* tree-core.h (enum omp_clause_code): Remove OMP_CLAUSE_HOST and
	OMP_CLAUSE_OACC_DEVICE.  Update all users.

	* gimplify.c (gimplify_oacc_cache): New function.
	(gimplify_expr): Use it for OACC_CACHE.
	(gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses): Handle
	OMP_CLAUSE__CACHE_.

	* tree-core.h (enum omp_clause_code): Move OMP_NO_CLAUSE_CACHE
	next to, and handle it like a data clause.  Rename it to
	OMP_CLAUSE__CACHE_.  Update all users.

	* invoke.texi: Update for OpenACC.
	* sourcebuild.texi: Likewise.

	* tree.def (OACC_WAIT): Remove.  Update all users.

	* omp-builtins.def (BUILT_IN_OMP_SET_NUM_THREADS): Remove.

2014-11-03  Cesar Philippidis  <cesar@codesourcery.com>

	* builtins.def (DEF_GOACC_BUILTIN): Revert erroneous checkin.

2014-11-03  Cesar Philippidis  <cesar@codesourcery.com>

	* oacc-builtins.def (BUILT_IN_GOACC_GET_NUM_THREADS): New built-in
	function.
	(BUILT_IN_ACC_GET_DEVICE_TYPE): Likewise.
	* omp-low.c (oacc_max_threads): New function.
	(lower_reduction_clauses): Use the GOACC thread builtin functions to
	determine the thread count. Handle multiple reduction variables.
	(expand_omp_for_static_nochunk): Likewise.
	(expand_omp_for_static_chunk): Likewise.
	(finalize_reduction_data): General cleanups.
	(process_reduction_data): Use acc_get_device_type to determine nthreads
	at runtime.

2014-11-03  Cesar Philippidis  <cesar@codesourcery.com>

	* gimple.h (enum gf_mask): Add GF_OMP_TARGET_KIND_OACC_ENTER_EXIT_DATA.
	* gimple-pretty-print.c (dump_gimple_omp_target): Handle it.
	* gimplify.c (gimplify_scan_omp_clauses): Remove switch stmt which
	declared OMP_CLAUSE_MAP_FORCE_DEALLOC as unimplemented.
	(gimplify_omp_target_update): Handle OACC_ENTER_DATA and
	OACC_EXIT_DATA.
	(gimplify_expr): Shuffle around OACC_ENTER_DATA, OACC_EXIT_DATA and
	OACC_WAIT.
	* oacc-builtins.def (BUILD_INT_GOACC_ENTER_EXIT_DATA): New built-in
	function.
	* omp-low.c (expand_omp_target): Handle
	GF_OMP_TARGET_KIND_OACC_ENTER_EXIT_DATA. Don't use quick_push when
	there is an unknown number of wait args.
	(lower_omp_target): Handle GF_OMP_TARGET_KIND_OACC_ENTER_EXIT_DATA.

2014-10-24  James Norris  <jnorris@codesourcery.com>

	* builtin-types.def (BT_FN_VOID_INT_INT_VAR,
	BT_FN_VOID_INT_OMPFN_PTR_SIZE_PTR_PTR_PTR_INT_INT_INT_INT_INT_VAR,
	BT_FN_VOID_INT_PTR_SIZE_PTR_PTR_PTR_INT_INT_VAR): Add.
	(BT_FN_VOID_INT_OMPFN_PTR_SIZE_PTR_PTR_PTR_INT_INT_INT): Remove.
	* c-family/c-common.c (enum c_builtin_type, c_define_builtins): Remove
	unused FUNCTION_TYPE_10. Add new FUNCTION_TYPE_VAR_8 and
	FUNCTION_TYPE_VAR_12.
	* c-family/c-pragma.c (oacc_pragmas): Add entry for wait directive.
	* c/c-parser.c (c_parser_omp_clause_name): Add handling of wait and
	async clauses.
	(c_parser_oacc_wait_list, c_parser_oacc_clause_async,
	c_parser_oacc_clause_wait): New.
	(c_parser_oacc_all_clauses): Handle async and wait clauses.
	(OACC_KERNELS_CLAUSE_MASK, OACC_PARALLEL_CLAUSE_MASK,
	OACC_UPDATE_CLAUSE_MASK): Add async and wait clauses.
	(OACC_WAIT_CLAUSE_MASK): New.
	(c_parser_oacc_wait): New.
	(c_parser_omp_construct): Handle wait directive.
	* c/c-typeck.c (c_finish_omp_clauses): Handle async and wait clauses.
	* fortran/f95-lang.c (gfc_init_builtin_functions): Remove unused
	FUNCTION_TYPE_10. Add new FUNCTION_TYPE_VAR_2, FUNCTION_TYPE_VAR_8,
	and FUNCTION_TYPE_VAR_12.
	* fortran/types.def (BT_FN_VOID_INT_INT_VAR,
	BT_FN_VOID_INT_OMPFN_PTR_SIZE_PTR_PTR_PTR_INT_INT_INT_INT_INT_VAR,
	BT_FN_VOID_INT_PTR_SIZE_PTR_PTR_PTR_INT_INT_VAR): Add.
	(BT_FN_VOID_INT_OMPFN_PTR_SIZE_PTR_PTR_PTR_INT_INT_INT): Remove.
	* lto/lto-lang.c (enum lto_builtin_type, lto_define_builtins): Remove
	unsigned FUNCTION_TYPE_10. Add new FUNCTION_TYPE_VAR_8 and
	FUNCTION_TYPE_VAR_12.
	* oacc-builtins.def (BUILT_IN_GOACC_KERNELS BUILT_IN_GOACC_PARALLEL,
	BUILT_IN_GOACC_UPDATE, BUILT_IN_GOACC_WAIT): Change type.
	* omp-low.c (scan_sharing_clauses): Handle async and wait clauses.
	(expand_oacc_offload): Lower kernel directive and async and wait
	clauses.

2014-10-23  Thomas Schwinge  <thomas@codesourcery.com>

	* omp-low.c (finalize_reduction_data): Don't skip the reduction
	variable's original value.

2014-10-20  Cesar Philippidis  <cesar@codesourcery.com>

	* gimplify.c (gimplify_scan_omp_clauses): Remove switch stmt which
	declared OMP_CLAUSE_MAP_FORCE_DEALLOC as unimplemented.
	(gimplify_expr): Remove OACC_WAIT, since it handled directly by the
	front ends.

2014-10-15  James Norris  <jnorris@codesourcery.com>

	* builtin-types.def (BT_FN_VOID_INT_PTR_INT): New type.
	* oacc-builtins.def (BUILT_IN_GOACC_WAIT): New builtin.

2014-10-09  Thomas Schwinge  <thomas@codesourcery.com>

	* omp-low.c (process_reduction_data): Initialize variable inner.

2014-10-08  Cesar Philippidis  <cesar@codesourcery.com>

	* omp-low.c (lower_reduction_clauses): Clarify comment.
	(process_reduction_data): Scan for nonempty bind statements at
	the beginning of parallel blocks.

2014-09-23  Thomas Schwinge  <thomas@codesourcery.com>

	* builtins.def (DEF_GOACC_BUILTIN_COMPILER): New macro.
	* oacc-builtins.def (BUILT_IN_GOACC_UPDATE): New builtin.
	* builtins.c (expand_builtin_acc_on_device): New function.
	(expand_builtin): Use it to handle BUILT_IN_ACC_ON_DEVICE.
	(is_inexpensive_builtin): Handle BUILT_IN_ACC_ON_DEVICE.

2014-09-08  Thomas Schwinge  <thomas@codesourcery.com>

	* configure.ac (offload_targets): Remove.
	* configure: Regenerate.

2014-09-05  Bernd Schmidt  <bernds@codesourcery.com>

	* configure.ac (enable-accelerator): Remove option.
	(enable_accelerator): Don't subst.
	* configure: Regenerate.

2014-09-03  Thomas Schwinge  <thomas@codesourcery.com>

	* omp-low.c (expand_oacc_offload): Add child_fn to offload_funcs.

2014-08-19  Ilya Verbin  <ilya.verbin@intel.com>

	* Makefile.in (GTFILES): Add omp-low.h.
	* cgraphunit.c: Include omp-low.h.
	(init_offload_var_table): New function.
	(ipa_passes): Run ipa_write_summaries for target only when
	offload_funcs or offload_vars is not empty.
	* gengtype.c (ifiles): Add omp-low.h.
	* lto/lto.c (read_cgraph_and_symbols): Call input_offload_tables.
	* lto-cgraph.c: Include omp-low.h.
	(output_offload_tables): New function.
	(input_offload_tables): Likewise.
	* lto-section-in.c (lto_section_name): Add offload_table.
	* lto-streamer-out.c (lto_output): Call output_offload_tables.
	* lto-streamer.h: Declare output_offload_tables
	and input_offload_tables.
	(lto_section_type): Add LTO_section_offload_table.
	* omp-low.c: Define offload_funcs and offload_vars.
	(expand_omp_target): Add child_fn to offload_funcs.
	(omp_finish_file): Remove obsolete code.
	* omp-low.h: Declare offload_funcs and offload_vars.

2014-08-04  Bernd Schmidt  <bernds@codesourcery.com>

	* Makefile.in (tool_prefix): Remove.
	(unlibsubdir): Change depending on enable_as_accelerator.
	(GCC_TARGET_INSTALL_NAME): Revert previous change.
	(install_driver): Rework offloading changes.
	* configure.ac (tool_prefix): Remove.
	(enable-as-accelerator-for): Don't require --enable-as-accelerator.
	Update the program_transform_name.
	(offload_targets): Add 'g' modifier to sed script.
	* configure: Regenerate.

2014-07-28  Cesar Philippidis  <cesar@codesourcery.com>

	* omp-low.c (get_base_type): New function.
	(scan_sharing_clauses): Replace TREE_TYPE with get_base_type.
	(lower_reduction_clauses): Use it.
	(initialize_reduction_data): Likewise.
	(finalize_reduction_data): Likewise. Remove new_var.

2014-07-28  Tom de Vries  <tom@codesourcery.com>

	* omp-low.c (process_reduction_data): Remove unused variables.

2014-07-24  Thomas Schwinge  <thomas@codesourcery.com>

	* omp-low.c (extract_omp_for_data): Force OpenACC loop to use a
	chunk size of one.

	* omp-low.c (expand_omp_for_static_chunk): Merge changes
	previously applied to expand_omp_for_static_nochunk.

2014-07-14  Cesar Philippidis  <cesar@codesourcery.com>

	* omp-low.c (extract_omp_for_data): Likewise.
	(expand_omp_for_static_nochunk): Likewise.

2014-07-14  Cesar Philippidis  <cesar@codesourcery.com>

	* omp-low.c (process_reduction_data): Check for new
	binding level and skip for-loops which don't have a
	reduction clause.

2014-07-08  Cesar Philippidis  <cesar@codesourcery.com>
	    Thomas Schwinge  <thomas@codesourcery.com>

	* omp-low.c (omp_get_id): New function.
	(lookup_reduction): New function.
	(maybe_lookup_reduction): New function.
	(build_outer_var_ref): Remove openacc assert.
	(new_omp_context): Preserve ctx->reduction_map.
	(scan_sharing_clauses): Handle OMP_CLAUSE_REDUCTION.
	(scan_oacc_offload): Initialize ctx->reduction_map.
	(lower_reduction_clauses): Handle OpenACC reductions.
	(omp_gimple_assign_with_ops): New function.
	(initialize_reduction_data): New function.
	(finalize_reduction_data): New function.
	(process_reduction_data): New function.
	(lower_oacc_offload): Handle reductions.
	* gcc/omp-builtins.def (BUILT_IN_OMP_SET_NUM_THREADS): New.

2014-06-13  Thomas Schwinge  <thomas@codesourcery.com>
	    Ilmir Usmanov  <i.usmanov@samsung.com>

	* tree-pretty-print.c (dump_omp_clause): Instead of
	OMP_CLAUSE_DECL, use more specific accessors for some clauses.

2014-06-13  Thomas Schwinge  <thomas@codesourcery.com>
	    Cesar Philippidis  <cesar@codesourcery.com>

	* omp-low.c (extract_omp_for_data, scan_sharing_clauses): For
	OpenACC directives, the collapse(1) clause is supported.

2014-06-13  Cesar Philippidis  <cesar@codesourcery.com>

	* omp-low.c (scan_sharing_clauses): Preliminary support for
	OMP_CLAUSE_PRIVATE for OpenACC.

	* omp-low.c (scan_sharing_clauses): For clauses currently not
	supported with OpenACC directives, emit a sorry message instead of
	aborting.

2014-06-12  Thomas Schwinge  <thomas@codesourcery.com>
	    James Norris  <jnorris@codesourcery.com>

	* omp-low.c (scan_sharing_clauses): Allow OMP_CLAUSE_IF.
	(expand_oacc_offload, expand_omp_target): Handle it.

2014-06-06  Thomas Schwinge  <thomas@codesourcery.com>
	    James Norris  <jnorris@codesourcery.com>

	* gimple.h (enum gf_mask): Add GF_OMP_TARGET_KIND_OACC_UPDATE, and
	extend mask size, GF_OMP_TARGET_KIND_MASK.
	(is_gimple_omp_oacc_specifically): Handle
	GF_OMP_TARGET_KIND_OACC_UPDATE.
	* gimplify.c (gimplify_omp_target_update, gimplify_expr):
	Likewise.
	* gimple-pretty-print.c (dump_gimple_omp_target): Likewise.
	* omp-low.c (scan_omp_target, expand_omp_target)
	(build_omp_regions_1, lower_omp_target, lower_omp_1)
	(make_gimple_omp_edges): Likewise.
	* oacc-builtins.def (BUILT_IN_GOACC_UPDATE): New builtin.

2014-06-05  Thomas Schwinge  <thomas@codesourcery.com>

	* gimplify.c (gimplify_scan_omp_clauses)
	(gimplify_adjust_omp_clauses): Handle
	OMP_CLAUSE_MAP_FORCE_DEVICEPTR.
	* omp-low.c (scan_sharing_clauses, lower_oacc_offload)
	(lower_omp_target): Likewise.
	* tree-core.h (enum omp_clause_map_kind)
	<OMP_CLAUSE_MAP_FORCE_DEVICEPTR>: Update comment.

	* gimplify.c (gimplify_scan_omp_clauses) <case OMP_CLAUSE_MAP>:
	Don't block OMP_CLAUSE_MAP_FORCE_PRESENT.

2014-06-04  Thomas Schwinge  <thomas@codesourcery.com>

	* cgraphunit.c (ipa_passes, compile): Handle flag_openacc next to
	flag_openmp.
	* ipa-inline-analysis.c (inline_generate_summary): Likewise.
	* lto-streamer.c (lto_streamer_init, gate_lto_out): Likewise.
	* passes.c (ipa_write_summaries): Likewise.

2014-05-12  Bernd Schmidt  <bernds@codesourcery.com>

	* lto-wrapper.c (ompbegin): New static variable.
	(find_ompbeginend): Renamed from find_ompend.  Also look for
	crtompbegin.o.
	(run_gcc): Also use ompbegin.

2014-05-08  Thomas Schwinge  <thomas@codesourcery.com>

	* omp-low.c (get_offload_symbol_decl): Mark __OPENMP_TARGET__ as
	addressable.

2014-04-04  Bernd Schmidt  <bernds@codesourcery.com>

	* lto-wrapper.c (replace_special_characters): Remove functions and
	all calls to it.

	* lto-section-names.h (OFFLOAD_VAR_TABLE_SECTION_NAME,
	OFFLOAD_FUNC_TABLE_SECTION_NAME): Define.
	* lto-wrapper.c (OFFLOAD_FUNC_TABLE_SECTION_NAME): Don't define.
	(ompend): New static variable.
	(copy_file, find_ompend): New static functions.
	(run_gcc): Call find_ompend if we have offload images.  Add its
	return value to the output.
	* omp-low.c: Include "lto-section-names.h".
	(omp_finish_file): Initialize section names from macros defined there.

	* omp-low.c (offload_symbol_decl): New static variable.
	(get_offload_symbol_decl): New static function.
	(expand_oacc_offload, expand_omp_target): Use it.

2014-04-02  Thomas Schwinge  <thomas@codesourcery.com>

	* omp-low.c (omp_finish_file): Use num_vars instead of num_funcs
	when recording offload symbols v_vars.

	* omp-low.c (expand_oacc_offload): Handle __OPENMP_TARGET__
	symbol.

2014-03-20  Bernd Schmidt  <bernds@codesourcery.com>

	Mostly by Michael Zolotukhin:
	* lto-wrapper.c (OFFLOAD_FUNC_TABLE_SECTION_NAME,
	OFFLOAD_TARGET_NAMES_ENV): New defines.
	(offload_names): New static variable.
	(free_array_of_ptrs, parse_env_var, access_check,
	prepare_target_image, replace_special_characters,
	compile_images_for_openmp_targets): New static functions.
	(run_gcc): Determine whether offload sections are present.  If so,
	run compile_images_for_openmp_targets and print the image names.

	* Makefile.in (COLLECT2_OBJS): Add collect-utils.o.
	(LTO_WRAPPER_OBJS): New variable.
	(lto-wrapper$(exeext)): Use it.
	* collect2.c: Include "collect-utils.h".
	(vflag, debug): Remove variables.  Rename all uses of vflag to
	verbose.
	(at_file_supplied): No longer static.
	(tool_name): New variable.
	(do_wait, fork_execute, maybe_unlink): Don't declare.
	(tool_cleanup): Renamed from collect_atexit.  New arg from_signal.
	(collect_atexit): New static function.
	(notice): Remove function.
	(handler): Just call tool_cleanup.
	(maybe_run_lto_and_relink, main, do_dsymutil): Add new arg to
	fork_execute calls.
	(collect_wait, do_wait, collect_execute): Remove functions.
	(maybe_unlink): No longer static.
	* collect2.h (vflag, debug): Don't declare.
	(at_file_supplied): Declare.
	* collect-utils.c (utils_cleanup): New arg from_signal.  All callers
	changed.
	(collect_execute): Replace with implementation from collect2, plus a
	new arg use_atfile.  All callers changed.
	(collect_wait): Replace with implementation from collect2.
	(maybe_unlink_file): Remove function.
	(fork_execute): Replace with implementation from collect2, plus a
	new arg use_atfile.  All callers changed.
	(do_wait): Add call to utils_cleanup to the error path.
	* collect-utils.h (collect_execute, fork_execute, utils_cleanup,
	tool_cleanup): Adjust declarations.
	* lto-wrapper.c (tool_cleanup): Add unused bool argument.
	* tlink.c: Include "collect-utils.h".
	(tlink_execute): New arg use_atfile.  All callers changed.
	(tlink_init, tlink_execute): Remove declarations.

	* Makefile.in (ALL_HOST_BACKEND_OBJS): Add collect-utils.o.
	(lto-wrapper$(exeext)): Link with collect-utils.o.
	* collect-utils.c: New file.
	* collect-utils.h: New file.
	* lto-wrapper.c: Include "collect-utils.h".
	(args_name): Delete variable.
	(tool_name): New variable.
	(tool_cleanup): New function.
	(maybe_unlink): Renamed from maybe_unlink_file.  All callers changed.
	(lto_wrapper_cleanup, fatal_signal, fatal, fatal_perror,
	collect_execute, collect_wait, fork_execute): Remove functions.

	Mostly by Michael Zolotukhin:
	* omp-low.c: Include "common/common-target.h".
	(expand_omp_target): Pass in address of __OPENMP_TARGET__.
	(add_decls_addresses_to_decl_constructor, omp_finish_file): New
	functions.
	* omp-low.h (omp_finish_file): Declare.
	* toplev.c: Include "omp-low.h".
	(compile_file): Call omp_finish_file.
	* target.def (record_offload_symbol): New hook.
	* doc/tm.texi.in (TARGET_RECORD_OFFLOAD_SYMBOL): Add.
	* doc/tm.texi: Regenerate.
	* configure.ac (ENABLE_OFFLOADING): Define if we have offload_targets.
	* configure: Regenerate.
	* config.in: Regenerate.

	* config/darwin.c: Include "lto-section-names.h".
	(LTO_SEGMENT_NAME): Don't define.
	* config/i386/winnt.c: Include "lto-section-names.h".
	* lto-streamer.c: Include "lto-section-names.h".
	* lto-streamer.h (LTO_SECTION_NAME_PREFIX, OMP_SECTION_NAME_PREFIX):
	Don't define.
	(section_name_prefix): Don't declare.
	* lto-wrapper.c: Include "lto-section-names.h".
	(LTO_SECTION_NAME_PREFIX): Don't define.
	* lto-section-names.h: New file.
	* cgraphunit.c: Include "lto-section-names.h".

	* configure.ac (real_target_noncanonical, tool_prefix,
	accel_dir_suffix, offload_targets): Compute new variables.
	(--enable-as-accelerator-for, --enable-as-accelerator,
	--enable-offload-targets): New options.
	* configure: Regenerate.
	* config.in: Regenerate.
	* Makefile.in (real_target_noncanonical, tool_prefix,
	accel_dir_suffix, enable_as_accelerator): New variables substituted
	by configure.
	(libsubdir, libexecsubdir, GCC_TARGET_INSTALL_NAME): Tweak for the
	possibility of being configured as an offload compiler.
	(install_driver): Likewise.
	(DRIVER_DEFINES): Pass new defines DEFAULT_REAL_TARGET_MACHINE and
	ACCEL_DIR_SUFFIX.
	* 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.
	(main): Likewise. Look up specs in just_machine_suffix only if not
	ACCEL_COMPILER.  Construct OFFLOAD_TARGET_NAMES environment variable
	if we have OFFLOAD_TARGETS.

2014-03-20  Thomas Schwinge  <thomas@codesourcery.com>

	* gimple.h (enum gf_mask): Add GF_OMP_FOR_KIND_OACC_LOOP.
	(is_gimple_omp_oacc_specifically): Handle it.
	* gimple-pretty-print.c (dump_gimple_omp_for): Likewise.
	* gimple.def (GIMPLE_OMP_FOR): Update for OpenACC loop.
	* gimple.c (gimple_build_omp_for): Don't explicitly mention some
	clauses.
	(gimple_copy) <GIMPLE_OMP_FOR>: Handle GF_OMP_FOR_KIND_OACC_LOOP.
	* omp-low.c (extract_omp_for_data, scan_sharing_clauses)
	(check_omp_nesting_restrictions, lower_rec_input_clauses)
	(lower_lastprivate_clauses, lower_reduction_clauses)
	(expand_omp_for_generic, expand_omp_for_static_nochunk)
	(expand_omp_for_static_chunk, maybe_add_implicit_barrier_cancel)
	(lower_omp_for): Likewise.
	* tree-inline.c (remap_gimple_stmt): Likewise.
	* tree-nested.c (walk_gimple_omp_for)
	(convert_nonlocal_reference_stmt, convert_local_reference_stmt)
	(convert_gimple_call): Likewise.
	* doc/gimple.texi (GIMPLE_OMP_FOR): Don't explicitly mention some
	clauses.
	* gimplify.c (gimplify_omp_for, gimplify_expr): Handle OACC_LOOP.

	* tree.def (OACC_LOOP): Sort after OMP_DISTRIBUTE.
	* tree.h (OMP_LOOP_CHECK): Update accordingly.
	* gimplify.c (is_gimple_stmt): Sort OACC_LOOP after
	OMP_DISTRIBUTE.
	* tree-pretty-print.c (dump_generic_node): Likewise.
	* doc/generic.texi (OACC_LOOP): Sort after OACC_HOST_DATA.
	(OMP_FOR): Fix and extend for OACC_LOOP.

	* gimple.h (enum gf_mask): Add and use GF_OMP_FOR_SIMD.
	* omp-low.c: Update accordingly.

	* gimple.h (enum gf_mask): Rewrite "<< 0" shift expressions used
	for GF_OMP_FOR_KIND_MASK, GF_OMP_FOR_KIND_FOR,
	GF_OMP_FOR_KIND_DISTRIBUTE, GF_OMP_FOR_KIND_SIMD,
	GF_OMP_FOR_KIND_CILKSIMD, GF_OMP_TARGET_KIND_MASK,
	GF_OMP_TARGET_KIND_REGION, GF_OMP_TARGET_KIND_DATA,
	GF_OMP_TARGET_KIND_UPDATE, GF_OMP_TARGET_KIND_OACC_DATA.

	* omp-low.c (check_omp_nesting_restrictions): Allow nesting of
	OpenACC constructs inside of OpenACC data constructs.

2014-03-18  Ilmir Usmanov  <i.usmanov@samsung.com>

	* tree.def (OACC_LOOP): New tree code.
	* tree-pretty-print.c (dump_generic_node): Show it.
	* tree.h (OACC_KERNELS_COMBINED, OACC_PARALLEL_COMBINED): New macros.
	* doc/generic.texi: Document loop directive.
	* gimplify.c (is_gimple_stmt, gimplify_expr): Stub gimplification of 
	loop directive and combined directives.

2014-03-18  Thomas Schwinge  <thomas@codesourcery.com>

	* builtin-types.def
	(BT_FN_VOID_INT_OMPFN_PTR_SIZE_PTR_PTR_PTR_INT_INT_INT): New type.
	* oacc-builtins.def (BUILT_IN_GOACC_KERNELS)
	(BUILT_IN_GOACC_PARALLEL): Switch to that one.
	* gimplify.c (gimplify_scan_omp_clauses)
	(gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_NUM_GANGS,
	OMP_CLAUSE_NUM_WORKERS, OMP_CLAUSE_VECTOR_LENGTH.
	* omp-low.c (scan_sharing_clauses, expand_oacc_offload): Likewise.

2014-03-13  Thomas Schwinge  <thomas@codesourcery.com>

	* tree.h (OMP_CLAUSE_VECTOR_EXPR): Check for OMP_CLAUSE_VECTOR
	instead of OMP_CLAUSE_VECTOR_LENGTH.
	(OMP_WAIT_EXPR): Rename to OMP_CLAUSE_WAIT_EXPR.  Change
	all users.

2014-03-13  Thomas Schwinge  <thomas@codesourcery.com>

	* omp-low.c (create_omp_child_function): Use
	is_gimple_omp_offloaded when looking for offloaded regions.

2014-03-12  Thomas Schwinge  <thomas@codesourcery.com>

	* omp-low.c (scan_sharing_clauses): Move offloaded logic into...
	* gimple.h (is_gimple_omp_offloaded): ... this new static inline
	function.

2014-02-28  Thomas Schwinge  <thomas@codesourcery.com>

	* gimple.def (GIMPLE_OACC_KERNELS): New code.
	* doc/gimple.texi: Document it.
	* gimple.h (gimple_has_substatements, CASE_GIMPLE_OMP)
	(is_gimple_omp_oacc_specifically): Handle it.
	(gimple_statement_oacc_kernels): New struct.
	(gimple_build_oacc_kernels): New prototype.
	(gimple_oacc_kernels_clauses, gimple_oacc_kernels_clauses_ptr)
	(gimple_oacc_kernels_set_clauses, gimple_oacc_kernels_child_fn)
	(gimple_oacc_kernels_child_fn_ptr)
	(gimple_oacc_kernels_set_child_fn, gimple_oacc_kernels_data_arg)
	(gimple_oacc_kernels_data_arg_ptr)
	(gimple_oacc_kernels_set_data_arg): New inline functions.
	* gimple.c (gimple_build_oacc_kernels): New function.
	(gimple_copy): Handle GIMPLE_OACC_KERNELS.
	* gimple-low.c (lower_stmt): Likewise.
	* gimple-walk.c (walk_gimple_op, walk_gimple_stmt): Likewise.
	* gimple-pretty-print.c (pp_gimple_stmt_1): Likewise.
	(dump_gimple_oacc_parallel): Rename to dump_gimple_oacc_offload.
	Also handle GIMPLE_OACC_KERNELS.  Update all callers.
	* gimplify.c (gimplify_omp_workshare, gimplify_expr): Handle
	OACC_KERNELS.
	* oacc-builtins.def (BUILT_IN_GOACC_KERNELS): New builtin.
	* omp-low.c (scan_oacc_parallel, expand_oacc_parallel)
	(lower_oacc_parallel): Rename to scan_oacc_offload,
	expand_oacc_offload, and lower_oacc_offload.  Also handle
	GIMPLE_OACC_KERNELS.  Update all callers.
	(scan_sharing_clauses, scan_omp_1_stmt, expand_omp, lower_omp_1)
	(diagnose_sb_0, diagnose_sb_1, diagnose_sb_2)
	(make_gimple_omp_edges): Handle GIMPLE_OACC_KERNELS.
	* tree-inline.c (remap_gimple_stmt, estimate_num_insns): Likewise.
	* tree-nested.c (convert_nonlocal_reference_stmt)
	(convert_local_reference_stmt, convert_tramp_reference_stmt)
	(convert_gimple_call): Likewise.

2014-02-27  Thomas Schwinge  <thomas@codesourcery.com>

	* gimplify.c (gimplify_oacc_parallel): Merge into
	gimplify_omp_workshare.  Update all callers.

2014-02-27  Ilmir Usmanov  <i.usmanov@samsung.com>

	Fix OpenACC ASYNC clause: it cannot contain integer-expression-list.

	gcc/
	* tree.h (OMP_CLAUSE_ASYNC_EXPR): Reorder.
	* tree.c (omp_clause_num_ops, omp_clause_code_name): Reorder clauses.
	* tree-core.h (enum omp_clause_code): Likewise.
	* omp-low.c (scan_sharing_clauses): Likewise.
	* gimplify.c (gimplify_scan_omp_clauses): Likewise.

2014-02-21  Thomas Schwinge  <thomas@codesourcery.com>

	* gimple.h (enum gf_mask): Add GF_OMP_TARGET_KIND_OACC_DATA.
	(is_gimple_omp_oacc_specifically): Handle it.
	* gimple-pretty-print.c (dump_gimple_omp_target): Likewise.
	* gimplify.c (gimplify_omp_workshare, gimplify_expr): Likewise.
	* omp-low.c (scan_sharing_clauses, scan_omp_target)
	(expand_omp_target, lower_omp_target, lower_omp_1): Likewise.
	* gimple.def (GIMPLE_OMP_TARGET): Update comment.
	* gimple.c (gimple_build_omp_target): Likewise.
	(gimple_copy): Catch unimplemented case.
	* tree-inline.c (remap_gimple_stmt): Likewise.
	* tree-nested.c (convert_nonlocal_reference_stmt)
	(convert_local_reference_stmt, convert_gimple_call): Likewise.
	* oacc-builtins.def (BUILT_IN_GOACC_DATA_START)
	(BUILT_IN_GOACC_DATA_END): New builtins.

	* omp-low.c (scan_sharing_clauses): Catch unexpected occurrences
	of OMP_CLAUSE_TO, OMP_CLAUSE_FROM, OMP_CLAUSE_MAP.

	* gimplify.c (enum omp_region_type): Make ORT_TARGET_OFFLOAD a
	flag for ORT_TARGET, in its negation replacing ORT_TARGET_DATA.
	Update all users.

	* omp-low.c (gimple_code_is_oacc): Move to...
	* gimple.h (is_gimple_omp_oacc_specifically): ... here.  Update
	users, and also use it in more places where currently we've only
	been checking for GIMPLE_OACC_PARALLEL.

2014-02-18  Thomas Schwinge  <thomas@codesourcery.com>

	* omp-low.c (diagnose_sb_0, diagnose_sb_1, diagnose_sb_2): Handle
	GIMPLE_OACC_PARALLEL.
	* gimplify.c (gimplify_case_label_expr): Update comment.

	* omp-low.c (diagnose_sb_0): Generalize detection which kind of
	structured block we're in.

2014-02-17  Thomas Schwinge  <thomas@codesourcery.com>

	* tree-core.h (omp_clause_code) <map>: Mention pcopy, pcopyin,
	pcopyout, pcreate OpenACC clauses.

2014-02-14  Ilmir Usmanov  <i.usmanov@samsung.com>
	    Dmitry Bocharnikov  <dmitry.b@samsung.com>
	    Evgeny Gavrin  <e.gavrin@samsung.com>

	Add OpenACC 1.0 support to GENERIC, except loop directive and subarrays.

	gcc/
	* gimplify.c (is_gimple_stmt, gimplify_scan_omp_clauses,
	implify_adjust_omp_clauses, gimplify_expr): Stub OpenACC directives
	and clauses.
	* omp-low.c (scan_sharing_clauses): Likewise.
	(gimple_code_is_oacc): New helper function.
	(scan_sharing_clauses): Use it.
	* tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_HOST,
	OMP_CLAUSE_OACC_DEVICE, OMP_CLAUSE_DEVICE_RESIDENT,
	OMP_CLAUSE_USE_DEVICE, OMP_CLAUSE_GANG, OMP_CLAUSE_WAIT,
	OMP_NO_CLAUSE_CACHE, OMP_CLAUSE_INDEPENDENT, OMP_CLAUSE_ASYNC,
	OMP_CLAUSE_WORKER, OMP_CLAUSE_VECTOR, OMP_CLAUSE_NUM_GANGS,
	OMP_CLAUSE_NUM_WORKERS and OMP_CLAUSE_VECTOR_LENGTH clauses.
	* tree-pretty-print.c (dump_omp_clause): Print OpenACC clause.
	(dump_generic_node): Print OpenACC directives and its clauses.
	* tree.c (omp_clause_num_ops, omp_clause_code_name,
	walk_tree_1): Add OpenACC clauses.
	* tree.def (OACC_KERNELS, OACC_DATA, OACC_HOST_DATA, OACC_DECLARE,
	OACC_UPDATE, OACC_ENTER_DATA, OACC_EXIT_DATA, OACC_WAIT,
	OACC_CACHE): New tree node.
	* tree.h (OACC_KERNELS_BODY, OACC_KERNELS_CLAUSES,
	OACC_CLAUSE_NUM_GANGS_EXPR, OMP_CLAUSE_NUM_WORKERS_EXPR,
	OMP_CLAUSE_VECTOR_LENGTH_EXPR, OMP_CLAUSE_VECTOR_EXPR,
	OMP_CLAUSE_WORKER_EXPR, OMP_CLAUSE_GANG_EXPR, OMP_CLAUSE_ASYNC_EXPR,
	OMP_WAIT_EXPR, OACC_DATA_BODY, OACC_DATA_CLAUSES, OACC_DECLARE_CLAUSES,
	OACC_UPDATE_CLAUSES, OACC_WAIT_CLAUSES, OACC_CACHE_CLAUSES,
	OACC_HOST_DATA_BODY, OACC_HOST_DATA_CLAUSES): New macros.
	gcc/doc/
	* generic.texi: Document OACC_KERNELS, OACC_DATA, OACC_HOST_DATA,
	OACC_DECLARE, OACC_UPDATE, OACC_ENTER_DATA, OACC_EXIT_DATA, OACC_WAIT,
	OACC_CACHE.

2014-02-07  Ilya Tocar  <ilya.tocar@intel.com>

	* ipa-inline-analysis.c (inline_free_summary): Always remove
	hooks.

2014-01-28  Thomas Schwinge  <thomas@codesourcery.com>

	* tree-core.h (omp_clause_code): Update description for
	OMP_CLAUSE_MAP.

	* tree-core.h (omp_clause_map_kind): Add OMP_CLAUSE_MAP_FORCE,
	OMP_CLAUSE_MAP_FORCE_ALLOC, OMP_CLAUSE_MAP_FORCE_TO,
	OMP_CLAUSE_MAP_FORCE_FROM, OMP_CLAUSE_MAP_FORCE_TOFROM,
	OMP_CLAUSE_MAP_FORCE_PRESENT, OMP_CLAUSE_MAP_FORCE_DEALLOC, and
	OMP_CLAUSE_MAP_FORCE_DEVICEPTR.
	* tree-pretty-print.c (dump_omp_clause): Handle these.
	* gimplify.c (gimplify_omp_var_data): Add GOVD_MAP_FORCE.
	(omp_region_type): Add ORT_TARGET_MAP_FORCE.
	(omp_add_variable, omp_notice_threadprivate_variable)
	(omp_notice_variable, gimplify_scan_omp_clauses)
	(gimplify_adjust_omp_clauses_1): Extend accordingly.
	(gimplify_oacc_parallel): Add ORT_TARGET_MAP_FORCE to ORT_TARGET
	usage.
	* omp-low.c (install_var_field, scan_sharing_clauses)
	(lower_oacc_parallel, lower_omp_target): Extend accordingly.

	* tree-core.h (omp_clause_map_kind): Make the identifiers' bit
	patterns more obvious.  Add comments.
	* omp-low.c (lower_oacc_parallel, lower_omp_target): Test for
	omp_clause_map_kind flags set instead of for values.

	* gimplify.c (gimplify_call_expr, gimplify_modify_expr)
	(omp_firstprivatize_variable, omp_notice_threadprivate_variable)
	(omp_notice_variable, gimplify_adjust_omp_clauses)
	(gimplify_omp_workshare): Treat ORT_TARGET as a flag, not as a
	value.

2013-12-18  Thomas Schwinge  <thomas@codesourcery.com>

	* omp-low.c (lower_oacc_parallel): Switch kinds array to unsigned
	short, and shift alignment description to begin at bit 8.

2013-12-04  Thomas Schwinge  <thomas@codesourcery.com>

	* gimple.h (is_a_helper): Handle GIMPLE_OACC_PARALLEL.

2013-11-30  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
	Removed a carriage return from the warning string.

2013-11-21  Jakub Jelinek  <jakub@redhat.com>

	* config/i386/i386.c (ix86_cilkplus_default_vecsize_mangle,
	ix86_cilkplus_vecsize_for_mangle): Remove.
	(ix86_simd_clone_compute_vecsize_and_simdlen,
	ix86_simd_clone_adjust, ix86_simd_clone_usable): New functions.
	(TARGET_CILKPLUS_DEFAULT_VECSIZE_MANGLE,
	TARGET_CILKPLUS_VECSIZE_FOR_MANGLE): Remove.
	(TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN,
	TARGET_SIMD_CLONE_ADJUST, TARGET_SIMD_CLONE_USABLE): Define.
	* omp-low.c (class argno_map): Remove.
	(argno_map::argno_map): Remove.
	(simd_clone_vector_of_formal_parm_types): New function.
	(simd_clone_struct_alloc): Use struct cgraph_simd_clone
	instead of struct simd_clone and struct cgraph_simd_clone_arg
	instead of struct simd_clone_arg.
	(simd_clone_struct_copy): Likewise.
	(simd_clone_clauses_extract): Likewise.  Return struct
	cgraph_simd_clone *, don't change anything in node.
	Use simd_clone_vector_of_formal_parm_types instead of argno_map.
	Fail if ignoring linear step.
	(vecsize_mangle): Remove.
	(simd_clone_compute_base_data_type): Add clone_info argument.
	Use simd_clone_vector_of_formal_parm_types instead of argno_map.
	(simd_clone_compute_vecsize_and_simdlen): Remove.
	(simd_clone_mangle): Remove new_node argument, add clone_info
	argument, return the identifier rather than changing anything in
	node.  If mangled name doesn't already exist among simd clones,
	fail.
	(simd_clone_create): Handle !old_node->definition case, don't
	ICE if cgraph_function_versioning fails.
	(simd_clone_adjust_return_type): Handle simdlens larger than
	what can be returned or passed in hw register.  Handle
	!node->definition.
	(simd_clone_adjust_argument_types): Likewise.  Use
	ipa_get_vector_of_formal_parms or
	simd_clone_vector_of_formal_parm_types instead of argno_map.
	(simd_clone_init_simd_arrays): Handle simdlens larger than
	what can be passed in hw register.
	(ipa_simd_modify_function_body): Likewise.  Call walk_gimple_op
	also on GIMPLE_RETURN.
	(simd_clone_adjust): Call targetm.simd_clone.adjust.  Create
	PHI for the iter, rather than waiting for into ssa.  Handle
	aligned clause on uniform pointer arguments.  Handle linear
	arguments properly.
	(expand_simd_clones): Don't do anything if noclone attribute
	is present.  Ignore non-prototype C declarations.  Rewritten to
	only clone if it is possible and desirable to create the simd clone.
	Use new target simd_clone hooks to drive the process, allow
	creating more than two clones.  Handle !node->definition cloning.
	(ipa_omp_simd_clone): Use FOR_EACH_FUNCTION instead of
	FOR_EACH_DEFINED_FUNCTION.
	(pass_omp_simd_clone::gate): Return true also for flag_openmp_simd.
	* ipa-cp.c (determine_versionability): Use simd_clones field instead
	of has_simd_clones.  Also fail if node->simdclone is non-NULL.
	(initialize_node_lattices): Set disable = true for simd clones.
	* cgraph.c (get_simd_clone): Remove.
	* ipa.c (symtab_remove_unreachable_nodes): If node with simd clones
	is kept, keep also the simd clones.
	* ipa-prop.h (ipa_get_vector_of_formal_parm_types): New prototype.
	* ipa-prop.c (get_vector_of_formal_parm_types): Renamed to ...
	(ipa_get_vector_of_formal_parm_types): ... this.  No longer static.
	(ipa_modify_formal_parameters): Adjust caller.
	* target.def (TARGET_CILKPLUS_DEFAULT_VECSIZE_MANGLE,
	TARGET_CILKPLUS_VECSIZE_FOR_MANGLE): Remove.
	(TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN,
	TARGET_SIMD_CLONE_ADJUST, TARGET_SIMD_CLONE_USABLE): New target
	hooks.
	* tree-vect-data-refs.c (vect_analyze_data_refs): Use simd_clones
	field instead of has_simd_clones.
	* target.h (struct cgraph_node, struct cgraph_simd_node): Declare.
	* doc/tm.texi.in (TARGET_CILKPLUS_DEFAULT_VECSIZE_MANGLE,
	TARGET_CILKPLUS_VECSIZE_FOR_MANGLE): Remove.
	(TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN,
	TARGET_SIMD_CLONE_ADJUST, TARGET_SIMD_CLONE_USABLE): Add.
	* doc/tm.texi: Regenerated.
	* cgraph.h (enum simd_clone_arg_type): Rename to ...
	(enum cgraph_simd_clone_arg_type): ... this.  Add
	SIMD_CLONE_ARG_TYPE_MASK.
	(struct simd_clone_arg): Rename to ...
	(struct cgraph_simd_clone_arg): ... this.  Add orig_type and
	vector_type fields.  Adjust arg_type field's type.
	(struct simd_clone): Rename to ...
	(struct cgraph_simd_clone): ... this.  Remove hw_vector_size
	field.  Add vecsize_int, vecsize_float, prev_clone, next_clone
	and origin fields.  Adjust args field's type.
	(struct cgraph_node): Adjust simdclone field's type.  Remove
	simdclone_of and has_simd_clones fields.  Add simd_clones field.
	(get_simd_clone): Remove prototype.
	* tree-vect-stmts.c (vectorizable_simd_clone_call): Use simd_clones
	field instead of has_simd_clones, improve walking of simd clones,
	handle arguments and/or return types larger than corresponding
	ISA hw vector size, use targetm.simd_clone.usable hook.

2013-11-21  Ilya Tocar  <ilya.tocar@intel.com>

	* cgraph.h (symtab_node): Add need_dump.
	* cgraphunit.c (ipa_passes): Run ipa_write_summaries for omp.
	(compile): Intialize streamer for omp.
	* ipa-inline-analysis.c (inline_generate_summary): Add flag_openmp.
	* lto-cgraph.c (lto_set_symtab_encoder_in_partition): Respect
	need_dump flag.
	(select_what_to_dump): New.
	* lto-streamer.c (section_name_prefix): New.
	(lto_get_section_name): Use section_name_prefix.
	(lto_streamer_init): Add flag_openmp.
	* lto-streamer.h (OMP_SECTION_NAME_PREFIX): New.
	(section_name_prefix): Ditto.
	(select_what_to_dump): Ditto.
	* lto/lto-partition.c (add_symbol_to_partition_1): Set need_dump.
	(lto_promote_cross_file_statics): Dump everyhtinh.
	* passes.c (ipa_write_summaries): Add parameter,
	call select_what_to_dump.
	* tree-pass.h (void ipa_write_summaries): Add parameter.

2013-11-15  Jakub Jelinek  <jakub@redhat.com>

	* tree-vect-stmts.c (vectorizable_simd_clone_call): Avoid
	-Wsign-compare warning.

2013-11-12  Aldy Hernandez  <aldyh@redhat.com>

	* ipa-prop.h (enum ipa_parm_op): Adjust comment to IPA_PARM_OP_NEW
	entry.

2013-11-12  Aldy Hernandez  <aldyh@redhat.com>

	* ipa-prop.c (ipa_modify_expr): Pass expr by address.
	(ipa_get_adjustment_candidate): Add another level of indirection
	to expr.  Adjust comment.
	(ipa_get_adjustment_candidate): Add another level of indirection
	to first argument.

2013-11-11  Aldy Hernandez  <aldyh@redhat.com>

	* ipa-prop.c (get_ssa_base_param): New.
	* ipa-prop.h (ipa_modify_expr): Rename from ipa_sra_modify_expr.
	Remove ipa_sra_modify_function_body.
	(ipa_get_adjustment_candidate): Rename from
	sra_ipa_get_adjustment_candidate.
	* omp-low.c (ipa_simd_modify_stmt_ops): Rename
	sra_ipa_get_adjustment_candidate to ipa_get_adjustment_candidate.
	* tree-sra.c (get_ssa_base_param): Remove default_def argument.
	(create_access): Remove lass argument to get_ssa_base_param.
	(disqualify_base_of_expr): Same.
	(sra_ipa_get_adjustment_candidate): Rename to
	ipa_get_adjustment_candidate and move to ipa-prop.c.
	(sra_ipa_modify_expr): Rename to ipa_modify_expr and move to
	ipa-prop.c.
	(sra_ipa_modify_assign): Rename sra_ipa_modify_expr to
	ipa_modify_expr.
	(ipa_sra_modify_function_body): Same.

2013-11-11  Jakub Jelinek  <jakub@redhat.com>

	* tree-vect-data-refs.c (vect_analyze_data_refs): Check loop->safelen
	rather than loop->simdlen.
	* tree-vect-stmts.c (vectorizable_simd_clone_call): Likewise.

2013-11-08  Aldy Hernandez  <aldyh@redhat.com>

	* ipa-prop.c (ipa_modify_formal_parameters): Remove
	synth_parm_prefix argument.
	Use operator enum instead of bit fields.
	Add assert for properly handling vector of references.
	(ipa_modify_call_arguments): Use operator enum instead of bit
	fields.
	(ipa_combine_adjustments): Same.
	Assert that IPA_PARM_OP_NEW is not used.
	(ipa_dump_param_adjustments): Rename reduction to new_decl.
	Use operator enum instead of bit fields.
	* ipa-prop.h (enum ipa_parm_op): New.
	(struct ipa_parm_adjustment): New field op.
	Rename reduction to new_decl.
	Rename new_arg_prefix to arg_prefix.
	Remove new_param, remove_param, copy_param.
	(ipa_modify_formal_parameters): Remove argument.
	* omp-low.c (simd_clone_adjust_argument_types):	Set arg_prefix.
	Use operator enum instead of bit fields.
	(simd_clone_adjust_argument_types): Use operator enum instead of
	bit fields.
	Remove last argument to ipa_modify_formal_parameters call.
	(simd_clone_init_simd_arrays): Use operator enum.
	(ipa_simd_modify_stmt_ops): Rename reduction to new_decl.
	(ipa_simd_modify_function_body): Same.
	* tree-sra.c (turn_representatives_into_adjustments): Use operator
	enum.  Set arg_prefix.
	(get_adjustment_for_base): Use operator enum.
	(sra_ipa_get_adjustment_candidate): Same.
	(sra_ipa_modify_expr): Rename reduction to new_decl.
	(sra_ipa_reset_debug_stmts): Use operator enum.
	(modify_function): Do not pass prefix argument.

2013-11-07  Jakub Jelinek  <jakub@redhat.com>

	* tree-vectorizer.h (enum stmt_vec_info_type): Add
	call_simd_clone_vec_info_type.
	* expr.c (store_constructor): Allow CONSTRUCTOR with VECTOR_TYPE
	(same sized) elements even if the type of the CONSTRUCTOR has
	vector mode and target is a REG.
	* tree-vect-data-refs.c: Include cgraph.h.
	(vect_analyze_data_refs): Inline by hand find_data_references_in_loop
	and find_data_references_in_bb, if find_data_references_in_stmt
	fails, still allow calls to #pragma omp declare simd functions
	in #pragma omp simd loops unless they contain data references among
	the call arguments or in lhs.
	* tree-vect-loop.c (vect_determine_vectorization_factor): If a call
	doesn't have lhs, set STMT_VINFO_VECTYPE to vector type corresponding
	to any of the argument types and exclude it from adjustments of the
	vectorization factor.
	* tree-vect-stmts.c: Include tree-ssa-loop.h and
	tree-scalar-evolution.h.
	(vectorizable_function): Don't handle functions with simd clones here.
	(vectorizable_call): Nor here.  Return early if call doesn't have lhs.
	(struct simd_call_arg_info): New type.
	(vectorizable_simd_clone_call): New function.
	(vect_analyze_stmt, vect_transform_stmt): Call it.

2013-11-07  Thomas Schwinge  <thomas@codesourcery.com>

	* gimple.def (GIMPLE_OACC_PARALLEL): New code.
	* doc/gimple.texi: Document it.
	* gimple.h (gimple_build_oacc_parallel): New declaration.
	(gimple_oacc_parallel_clauses, gimple_oacc_parallel_clauses_ptr)
	(gimple_oacc_parallel_set_clauses, gimple_oacc_parallel_child_fn)
	(gimple_oacc_parallel_child_fn_ptr)
	(gimple_oacc_parallel_set_child_fn, gimple_oacc_parallel_data_arg)
	(gimple_oacc_parallel_data_arg_ptr)
	(gimple_oacc_parallel_set_data_arg): New inline functions.
	(CASE_GIMPLE_OMP): Add GIMPLE_OACC_PARALLEL.
	* gimple.c (gimple_build_oacc_parallel): New function.
	(walk_gimple_op, walk_gimple_stmt, gimple_copy): Handle
	GIMPLE_OACC_PARALLEL.
	* gimplify.c (is_gimple_stmt): Handle GIMPLE_OACC_PARALLEL.
	(gimplify_oacc_parallel): New function.
	(gimplify_expr): Handle OACC_PARALLEL.
	* cgraphbuild.c (build_cgraph_edges): Handle GIMPLE_OACC_PARALLEL.
	* gimple-low.c (lower_stmt): Likewise.
	* gimple-pretty-print.c (pp_gimple_stmt_1): Likewise.
	(dump_gimple_oacc_parallel): New function.
	* oacc-builtins.def (BUILT_IN_GOACC_PARALLEL): New macro.
	* omp-low.c (scan_oacc_parallel, expand_oacc_parallel)
	(lower_oacc_parallel): New functions.
	(use_pointer_for_field, build_outer_var_ref, scan_sharing_clauses)
	(create_omp_child_function, check_omp_nesting_restrictions)
	(scan_omp_1_stmt, lower_rec_simd_input_clauses)
	(lower_lastprivate_clauses, lower_reduction_clauses)
	(lower_copyprivate_clauses, lower_send_clauses)
	(lower_send_shared_vars, expand_omp)
	(maybe_add_implicit_barrier_cancel, create_task_copyfn)
	(lower_omp_1, make_gimple_omp_edges): Handle GIMPLE_OACC_PARALLEL,
	or catch it.
	* tree-inline.c (remap_gimple_stmt): Likewise.
	* tree-nested.c (convert_nonlocal_reference_stmt)
	(convert_local_reference_stmt, convert_tramp_reference_stmt)
	(convert_gimple_call): Likewise.

	* tree.def (OACC_PARALLEL): New code.
	* doc/generic.texi (OpenMP): Document it.
	* tree.h (OMP_BODY, OMP_CLAUSES): Include it.
	(OACC_PARALLEL_BODY, OACC_PARALLEL_CLAUSES): New macros.
	* tree-pretty-print.c (dump_generic_node): Handle OACC_PARALLEL.

	* doc/invoke.texi (-fopenacc): Update.

	* gimplify.c (gimplify_body): Consider flag_openacc additionally
	to flag_openmp.
	* omp-low.c (execute_expand_omp, execute_lower_omp)
	(gate_diagnose_omp_blocks): Likewise.

	* oacc-builtins.def: New file.
	* Makefile.in (BUILTINS_DEF): Add oacc-builtins.def.
	* builtins.def (DEF_GOACC_BUILTIN): New macro.
	Include "oacc-builtins.def".

	* gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): For -fopenacc, link
	to libgomp and its dependencies.
	* config/arc/arc.h (LINK_COMMAND_SPEC): Likewise.
	* config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
	* config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
	* config/ia64/hpux.h (LIB_SPEC): Likewise.
	* config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
	* config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
	* doc/invoke.texi (-fopenacc): Update.

	* doc/invoke.texi (-fopenacc): Document it.
	* doc/sourcebuild.texi (fopenacc): Document it.

	Backport from trunk, r204517:

	* config/arc/arc.h (LINK_COMMAND_SPEC): For
	-ftree-parallelize-loops=*, link to libgomp and its dependencies.
	* config/ia64/hpux.h (LIB_SPEC): Likewise.
	* config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
	* config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
	* gcc.c (GOMP_SELF_SPECS): Update comment about libgomp's
	dependencies.

2013-11-07  Aldy Hernandez  <aldyh@redhat.com>

	* omp-low.c (ipa_simd_modify_function_body): Avoid
	regimplification of GIMPLE_RETURNs.

2013-11-06  Aldy Hernandez  <aldyh@redhat.com>

	* ipa-prop.h (sra_ipa_get_adjustment_candidate): Protoize.
	* omp-low.c (struct modify_stmt_info): New.
	(ipa_simd_modify_function_body_ops_1): Remove.
	(ipa_simd_modify_stmt_ops): New.
	(ipa_simd_modify_function_body_ops): Remove.
	(ipa_simd_modify_function_body): Set new callback info.
	Remove special casing.  Handle all operators with walk_gimple_op.
	* tree-sra.c (get_ssa_base_param): Add new argument.  Use it.
	(disqualify_base_of_expr): Pass new argument to
	get_ssa_base_param.
	(sra_ipa_modify_expr): Abstract candidate search into...
	(sra_ipa_get_adjustment_candidate): ...here.

2013-11-06  Aldy Hernandez  <aldyh@redhat.com>

	* omp-low.c (simd_clone_mangle): Linear step of 1 is mangled as
	'l'.

2013-11-04  Aldy Hernandez  <aldyh@redhat.com>

	* omp-low.c (ipa_simd_modify_function_body): Adjust tree operands
	on the LHS of an assign.
	(ipa_simd_modify_function_body_ops_1): New.
	(ipa_simd_modify_function_body_ops): New.

2013-11-02  Aldy Hernandez  <aldyh@redhat.com>

	* omp-low.c (ipa_simd_modify_function_body): Handle empty returns.

2013-11-01  Jakub Jelinek  <jakub@redhat.com>

	* cgraph.h (enum linear_stride_type): Remove.
	(enum simd_clone_arg_type): New.
	(struct simd_clone_arg): Remove linear_stride, linear_stride_num
	and uniform fields.  Add arg_type and linear_step.
	* omp-low.c (simd_clone_struct_copy): Formatting.
	(simd_clone_struct_alloc): Likewise.  Use size_t.
	(simd_clone_clauses_extract, simd_clone_compute_base_data_type,
	simd_clone_adjust_argument_types): Adjust for struct simd_clone_arg
	changes.
	(simd_clone_mangle): Likewise.  Handle negative linear step.

2013-11-01  Aldy Hernandez  <aldyh@redhat.com>

	* tree-vect-stmts.c: Include cgraph.h.
	(vectorizable_call): Allow > 3 arguments when a SIMD clone may be
	available.
	(vectorizable_function): Use SIMD clone if available.
	* ipa-cp.c (determine_versionability): Nodes with SIMD clones are
	not versionable.
	* ggc.h (ggc_alloc_cleared_simd_clone_stat): New.
	* cgraph.h (enum linear_stride_type): New.
	(struct simd_clone_arg): New.
	(struct simd_clone): New.
	(struct cgraph_node): Add simdclone and simdclone_of fields.
	(get_simd_clone): Protoize.
	* cgraph.c (get_simd_clone): New.
	Add `has_simd_clones' field.
	* ipa-cp.c (determine_versionability): Disallow functions with
	simd clones.
	* ipa-prop.h (ipa_sra_modify_function_body): Protoize.
	(sra_ipa_modify_expr): Same.
	(struct ipa_parm_adjustment): Add new_arg_prefix and new_param
	fields.  Document their use.
	* ipa-prop.c (ipa_modify_formal_parameters): Handle creating brand
	new parameters and minor cleanups.
	* omp-low.c: Add new pass_omp_simd_clone support code.
	(make_pass_omp_simd_clone): New.
	(pass_data_omp_simd_clone): Declare.
	(class pass_omp_simd_clone): Declare.
	(vecsize_mangle): New.
	(ipa_omp_simd_clone): New.
	(simd_clone_clauses_extract): New.
	(simd_clone_compute_base_data_type): New.
	(simd_clone_compute_vecsize_and_simdlen): New.
	(simd_clone_create): New.
	(simd_clone_adjust_return_type): New.
	(simd_clone_adjust_return_types): New.
	(simd_clone_adjust): New.
	(simd_clone_init_simd_arrays): New.
	(ipa_simd_modify_function_body): New.
	(simd_clone_mangle): New.
	(simd_clone_struct_alloc): New.
	(simd_clone_struct_copy): New.
	(class argno_map): New.
	(argno_map::argno_map(tree)): New.
	(argno_map::~argno_map): New.
	(argno_map::operator []): New.
	(argno_map::length): New.
	(expand_simd_clones): New.
	(create_tmp_simd_array): New.
	* tree.h (OMP_CLAUSE_LINEAR_VARIABLE_STRIDE): New.
	* tree-core.h (OMP_CLAUSE_LINEAR_VARIABLE_STRIDE): Document.
	* tree-pass.h (make_pass_omp_simd_clone): New.
	* passes.def (pass_omp_simd_clone): New.
	* target.def: Define new hook prefix "TARGET_CILKPLUS_".
	(default_vecsize_mangle): New.
	(vecsize_for_mangle): New.
	* doc/tm.texi.in: Add placeholder for
	TARGET_CILKPLUS_DEFAULT_VECSIZE_MANGLE and
	TARGET_CILKPLUS_VECSIZE_FOR_MANGLE.
	* tree-sra.c (sra_ipa_modify_expr): Remove static modifier.
	(ipa_sra_modify_function_body): Same.
	* tree.h (OMP_CLAUSE_LINEAR_VARIABLE_STRIDE): Define.
	* doc/tm.texi: Regenerate.
	* config/i386/i386.c (ix86_cilkplus_default_vecsize_mangle): New.
	(ix86_cilkplus_vecsize_for_mangle): New.
	(TARGET_CILKPLUS_DEFAULT_VECSIZE_MANGLE): New.
	(TARGET_CILKPLUS_VECSIZE_FOR_MANGLE): New.

2013-10-10  Jakub Jelinek  <jakub@redhat.com>

	* tree.c (omp_remove_redundant_declare_simd_attrs): Adjust
	for the clauses being stored into TREE_VALUE of an extra TREE_LIST
	pointed out by TREE_VALUE of the attribute.

2013-10-04  Jakub Jelinek  <jakub@redhat.com>

	* omp-low.c (expand_omp_target): When handling IF clause on
	#pragma omp target, split new_bb rather than entry_bb.  If
	not GF_OMP_TARGET_KIND_REGION, split new_bb right before
	the GOMP_TARGET stmt, rather than after labels.

2013-09-26  Jakub Jelinek  <jakub@redhat.com>

	* omp-low.c (expand_task_call): If there are depend clauses,
	pass bit 8 in 7th argument and pass pointer to depend array
	as 8th argument.
	(lower_depend_clauses): New function.
	(lower_omp_taskreg): Handle depend clauses.
	* omp-builtins.def (BUILT_IN_GOMP_TASK): Use
	BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR
	instead of BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT.
	* builtin-types.def
	(BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): Remove.
	(BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR): New.

2013-09-25  Jakub Jelinek  <jakub@redhat.com>

	* omp-low.c (lower_omp_sections, lower_omp_for, lower_omp_taskreg):
	Emit ctx->cancel_label before destructors.

	* gimple-pretty-print.c (dump_gimple_omp_block,
	pp_gimple_stmt_1): Handle GIMPLE_OMP_TASKGROUP.
	* tree-nested.c (convert_nonlocal_reference_stmt,
	convert_local_reference_stmt, convert_gimple_call): Likewise.
	* tree-cfg.c (make_edges): Likewise.
	* gimple.h (gimple_build_omp_taskgroup): New prototype.
	(gimple_has_substatement): Handle GIMPLE_OMP_TASKGROUP.
	(CASE_GIMPLE_OMP): Likewise.
	* gimplify.c (is_gimple_stmt, gimplify_expr): Handle OMP_TASKGROUP.
	* omp-low.c (check_omp_nesting_restrictions): Warn if #pragma omp
	cancel is used in nowait loop or sections construct.
	(scan_omp_1_stmt, expand_omp_synch, expand_omp, lower_omp_1): Handle
	GIMPLE_OMP_TASKGROUP.
	(diagnose_sb_1, diagnose_sb_2): Likewise.  Handle GIMPLE_OMP_TARGET
	and GIMPLE_OMP_TEAMS.
	(lower_omp_taskgroup): New function.
	* tree-inline.c (remap_gimple_stmt, estimate_num_insns): Handle
	GIMPLE_OMP_TASKGROUP.
	* gimple-low.c (lower_stmt): Likewise.
	* tree.h (OMP_TASKGROUP_BODY): Define.
	* tree.def (OMP_TASKGROUP): New tree.
	* tree-pretty-print.c (dump_generic_node): Handle OMP_TASKGROUP.
	* gimple.c (gimple_build_omp_taskgroup): New function.
	(walk_gimple_stmt, gimple_copy): Handle GIMPLE_OMP_TASKGROUP.
	* gimple.def (GIMPLE_OMP_TASKGROUP): New GIMPLE code.

2013-09-19  Jakub Jelinek  <jakub@redhat.com>

	* omp-builtins.def (BUILT_IN_GOMP_TARGET_DATA,
	BUILT_IN_GOMP_TARGET_UPDATE): Use BT_FN_VOID_INT_PTR_SIZE_PTR_PTR_PTR
	rather than BT_FN_VOID_INT_SIZE_PTR_PTR_PTR.
	* builtin-types.def (BT_FN_VOID_INT_SIZE_PTR_PTR_PTR): Remove.
	(BT_FN_VOID_INT_PTR_SIZE_PTR_PTR_PTR): New.
	* omp-low.c (expand_omp_target): Remove fnname argument from
	GOMP_target, add openmp_target argument to GOMP_target,
	GOMP_target_data and GOMP_target_update calls.

2013-09-18  Jakub Jelinek  <jakub@redhat.com>

	* tree.h (OMP_CLAUSE_REDUCTION_OMP_ORIG_REF): Define.
	* tree-core.h (OMP_CLAUSE_REDUCTION_OMP_ORIG_REF): Document.
	* omp-low.c (lower_rec_simd_input_clauses): Don't set DECL_VALUE_EXPR
	on new_var if it is not a DECL_P.
	(lower_rec_input_clauses): Don't force max_vf = 1
	if OMP_CLAUSE_REDUCTION_PLACEHOLDER.  Add barrier also if any
	OMP_CLAUSE_REDUCTION_OMP_ORIG_REF is seen.  For OMP_CLAUSE_PRIVATE
	in simd, fix last argument to omp_clause_default_ctor langhook.
	Handle OMP_CLAUSE_REDUCTION_PLACEHOLDER in simd loops, if
	OMP_CLAUSE_REDUCTION_GIMPLE_INIT is NULL, emit omp_clause_default_ctor
	if any and emit omp_clause_dtor if any.  Handle C++ references in
	OMP_CLAUSE_REDUCTION clauses.
	(lower_reduction_clauses): Adjust comment for UDRs.  Handle
	C++ references in OMP_CLAUSE_REDUCTION clauses.
	(lower_omp_taskreg): Emit reduction merges before destructors.
	* tree-pretty-print.c (dump_omp_clause): Don't emit any reduction
	operator name if OMP_CLAUSE_REDUCTION_CODE is ERROR_MARK.
	* gimplify.c (omp_add_variable): Ignore GOVD_LOCAL decls for which
	privatize_by_reference returns true.

	* tree-core.h (OMP_CLAUSE_DEPEND_KIND, OMP_CLAUSE_MAP_KIND,
	OMP_CLAUSE_MAP_ZERO_BIAS_ARRAY_SECTION, OMP_CLAUSE_PROC_BIND_KIND):
	Move definitions...
	* tree.h (OMP_CLAUSE_DEPEND_KIND, OMP_CLAUSE_MAP_KIND,
	OMP_CLAUSE_MAP_ZERO_BIAS_ARRAY_SECTION, OMP_CLAUSE_PROC_BIND_KIND):
	... here.

2013-09-16  Jakub Jelinek  <jakub@redhat.com>

	* omp-low.c (install_var_field): Use (mask & 4) to request double
	indirection.
	(scan_sharing_clauses): For OMP_CLAUSE_MAP_POINTER arrays pass
	7 instead of 3 to install_var_field.
	(lower_omp_target): For OMP_CLAUSE_MAP_POINTER arrays add extra
	indirection.

2013-09-06  Jakub Jelinek  <jakub@redhat.com>

	* omp-low.c (scan_sharing_clauses): Handle VLAs in
	OMP_CLAUSE_{MAP,TO,FROM}.  Set DECL_ALIGN (field) before
	calling insert_field_into_struct.
	(scan_omp_target): Reverse TYPE_FIELDS, verify that
	all field alignments are the same.
	(lower_omp_target): Use maybe_lookup_field instead of
	lookup_sfield to check if field is present.  Handle VLAs.
	* tree-pretty-print.c (dump_omp_clause): Only check
	OMP_CLAUSE_MAP_KIND on OMP_CLAUSE_MAP clauses.
	* gimplify.c (enum gimplify_omp_var_data): Add GOVD_MAP_TO_ONLY.
	(omp_firstprivatize_variable, omp_add_variable,
	gimplify_adjust_omp_clauses_1, gimplify_adjust_omp_clauses): Handle
	VLAs in OMP_CLAUSE_{MAP,TO,FROM}.

2013-09-05  Jakub Jelinek  <jakub@redhat.com>

	* gimplify.c (gimplify_call_expr): Don't call fold_stmt
	inside of #pragma omp target construct.
	(gimplify_modify_expr): Likewise.
	* omp-low.c (target_nesting_level): New variable.
	(lower_omp_target): Increase/restore target_nesting_level
	around lowering #pragma omp target body.  Use TYPE_SIZE_UNIT
	instead of TYPE_SIZE if OMP_CLAUSE_SIZE is missing.
	Or log2 of needed alignment into high 5 bits of kind.
	(lower_omp): Call fold_stmt on all stmts inside of
	#pragma omp target construct.

	* tree-cfg.c (make_edges): For GIMPLE_OMP_TARGET
	with GF_OMP_TARGET_KIND_UPDATE, don't look for
	GIMPLE_OMP_RETURN and immediately restore previous
	region.
	* langhooks.c (lhd_omp_mappable_type): New function.
	* omp-low.c (scan_sharing_clauses): Ignore OMP_CLAUSE_SHARED
	in GIMPLE_OMP_TEAMS constructs.  Handle OMP_CLAUSE_NUM_TEAMS,
	OMP_CLAUSE_THREAD_LIMIT, OMP_CLAUSE_DEVICE, OMP_CLAUSE_MAP,
	OMP_CLAUSE_TO and OMP_CLAUSE_FROM.
	(create_omp_child_function): If current function has
	"omp declare target" attribute or if current region
	is OMP_TARGET or lexically nested in it, add that
	attribute to the omp child function.
	(scan_omp_target, scan_omp_teams): New functions.
	(check_omp_nesting_restrictions): Fix a typo in TEAMS nesting
	check.
	(scan_omp_1_stmt): Handle GIMPLE_OMP_TARGET and GIMPLE_OMP_TEAMS.
	(lower_rec_input_clauses): Ignore OMP_CLAUSE_SHARED
	in GIMPLE_OMP_TEAMS constructs.
	(expand_omp_synch): Handle GIMPLE_OMP_TEAMS.
	(expand_omp_target): New function.
	(expand_omp): Handle GIMPLE_OMP_TARGET and GIMPLE_OMP_TEAMS.
	(build_omp_regions_1): For GIMPLE_OMP_TARGET with
	GF_OMP_TARGET_KIND_UPDATE, don't look for GIMPLE_OMP_RETURN and
	immediately restore previous region.
	(lower_omp_single): Emit a CLOBBER stmt after GIMPLE_OMP_RETURN.
	(lower_omp_taskreg): Likewise.
	(lower_omp_target, lower_omp_teams): New functions.
	(lower_omp_1): Handle GIMPLE_OMP_TARGET and GIMPLE_OMP_TEAMS.
	* tree.h (enum omp_clause_map_kind): Improve description of
	OMP_CLAUSE_MAP_POINTER.
	(OMP_CLAUSE_MAP_ZERO_BIAS_ARRAY_SECTION): Define.
	* gimple.def (GIMPLE_OMP_TARGET): Use GSS_OMP_PARALLEL instead
	of GSS_OMP_SINGLE.
	* langhooks.h (struct lang_hooks_for_types): Add
	omp_mappable_type hook.
	* langhooks-def.h (lhd_omp_mappable_type): New prototype.
	(LANG_HOOKS_OMP_MAPPABLE_TYPE): Define.
	(LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
	* gimple.h (gimple_omp_target_clauses, gimple_omp_target_clauses_ptr,
	gimple_omp_target_set_clauses): Use gimple_omp_parallel
	instead of gimple_omp_single.
	(gimple_omp_target_child_fn, gimple_omp_target_child_fn_ptr,
	gimple_omp_target_set_child_fn, gimple_omp_target_data_arg,
	gimple_omp_target_data_arg_ptr, gimple_omp_target_set_data_arg): New
	inlines.
	* omp-builtins.def (BUILT_IN_GOMP_TARGET, BUILT_IN_GOMP_TARGET_DATA,
	BUILT_IN_GOMP_TARGET_END_DATA, BUILT_IN_GOMP_TARGET_UPDATE,
	BUILT_IN_GOMP_TEAMS): New builtins.
	* gimple-pretty-print.c (dump_gimple_omp_target): Print child_fn
	for #pragma omp target.
	* gimplify.c (omp_notice_variable): Diagnose if implicitly mapped
	decl doesn't have mappable type.
	(gimplify_scan_omp_clauses): For OMP_CLAUSE_MAP don't clear
	notice_outer.
	(gimplify_adjust_omp_clauses_1): Add OMP_CLAUSE_MAP even if the same
	decl is already referenced in target data construct surrounding it.
	(gimplify_adjust_omp_clauses): Likewise.  Handle
	OMP_CLAUSE_THREAD_LIMIT.
	(gimplify_omp_workshare): Fix up gimplification of target or target
	data construct body.  For target data add GOMP_target_end_data
	call in a try/finally cleanup.
	* builtin-types.def (BT_FN_VOID_UINT_UINT,
	BT_FN_VOID_INT_SIZE_PTR_PTR_PTR,
	BT_FN_VOID_INT_OMPFN_PTR_SIZE_PTR_PTR_PTR): New.

2013-07-14  Jakub Jelinek  <jakub@redhat.com>

	* tree.h (omp_declare_simd_clauses_equal): Remove prototype.
	(omp_remove_redundant_declare_simd_attrs): New prototype.
	* tree.c (omp_declare_simd_clauses_equal): Make static.
	(omp_remove_redundant_declare_simd_attrs): New function.

2013-07-09  Jakub Jelinek  <jakub@redhat.com>

	* gimple-pretty-print.c (dump_gimple_omp_return): Print
	gimple_omp_return_lhs if non-NULL.
	* tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
	call_may_clobber_ref_p_1): Handle BUILT_IN_GOMP_BARRIER_CANCEL,
	BUILT_IN_GOMP_LOOP_END_CANCEL, BUILT_IN_GOMP_SECTIONS_END_CANCEL.
	* gimple.h (gimple_omp_return_set_lhs, gimple_omp_return_lhs,
	gimple_omp_return_lhs_ptr): New inlines.
	* gimple.def (GIMPLE_OMP_RETURN): Use GSS_OMP_ATOMIC_STORE
	instead of GSS_BASE.
	* gimple.c (walk_gimple_op) <case GIMPLE_OMP_RETURN>: Walk lhs.
	* builtin-types.def (BT_FN_BOOL_INT, BT_FN_BOOL_INT_BOOL): New.
	* omp-builtins.def (BUILT_IN_GOMP_CANCELLATION_POINT): Use
	ATTR_NOTHROW_LEAF_LIST instead of ATTR_NULL.  Return type is now
	bool.
	(BUILT_IN_GOMP_CANCEL): Likewise.  Add second argument with bool type.
	(BUILT_IN_BARRIER_CANCEL, BUILT_IN_GOMP_LOOP_END_CANCEL,
	BUILT_IN_GOMP_SECTIONS_END_CANCEL): New builtins.
	* omp-low.c (struct omp_context): Add cancel_label and cancellable
	fields.
	(extract_omp_for_data): Set have_nowait even for simd implicitly.
	(check_omp_nesting_restrictions): Verify nesting restrictions for
	#pragma omp cancel and #pragma omp cancellation point.
	Set ctx->cancellable for regions that can be cancelled or also
	for any task region that contains #pragma omp cancellation point.
	(scan_omp_1_stmt): Check nesting restrictions even if ctx == NULL.
	(build_omp_barrier): Return gimple instead of tree, add lhs argument,
	if non-NULL, build GOMP_barrier_cancel builtin instead and set its 
	call lhs to lhs.
	(lower_rec_input_clauses): Adjust build_omp_barrier caller.
	(expand_omp_for_static_nochunk, expand_omp_for_static_chunk,
	expand_omp_single): Likewise.  If OMP_RETURN has lhs, pass it to
	build_omp_barrier.
	(expand_omp_for_generic): If OMP_RETURN has lhs, use
	GOMP_loop_end_cancel libcall instead of GOMP_loop_end and set its
	lhs from OMP_RETURN's lhs.
	(expand_omp_sections): If OMP_RETURN has lhs, use
	GOMP_sections_end_cancel libcall instead of GOMP_sections_end and set
	its lhs from OMP_RETURN's lhs.
	(maybe_add_implicit_barrier_cancel): New function.
	(lower_omp_sections): If ctx->cancellable, emit cancel_label before
	OMP_RETURN.  Call maybe_add_implicit_barrier_cancel.
	(lower_omp_for): Likewise.
	(lower_omp_single): Call maybe_add_implicit_barrier_cancel.
	(lower_omp_taskreg): If ctx->cancellable, emit cancel_label before
	OMP_RETURN.
	(lower_omp_1): If ctx->cancellable, create ctx->cancel_label.
	Adjust GOMP_barrier libcalls to GOMP_barrier_cancel plus conditional
	branch in cancellable regions, adjust GOMP_cancel and
	GOMP_cancellation_point in cancellable regions or remove
	GOMP_cancellation_point in non-cancellable regions.

2013-07-03  Jakub Jelinek  <jakub@redhat.com>

	* omp-low.c (expand_omp_single): Don't force barrier for
	copyprivate.

2013-06-28  Jakub Jelinek  <jakub@redhat.com>
	    Aldy Hernandez  <aldyh@redhat.com>

	* internal-fn.def (GOMP_SIMD_LANE, GOMP_SIMD_VF,
	GOMP_SIMD_LAST_LANE): New internal functions.
	* omp-low.c (omp_max_vf, lower_rec_simd_input_clauses): New
	functions.
	(lower_rec_input_clauses): Add fd argument.  Enforce max_vf = 1
	if any data sharing clauses mention VLAs or for array reductions.
	Handle OMP_CLAUSE__LOOPTEMP_ clause.  For
	OMP_CLAUSE_{{FIRST,LAST,}PRIVATE,LINEAR,REDUCTION} on SIMD
	constructs use "omp simd array" temporaries.  For OMP_CLAUSE_LINEAR
	adjust initial value in combined constructs.  Don't emit any
	barriers for #pragma omp distribute.  If max_vf is lower than
	current safelen, prepend an OMP_CLAUSE_SAFELEN clause.
	(lower_lastprivate_clauses): Handle "omp simd array" temporaries.
	(lower_reduction_clauses): Exit early for #pragma omp simd.
	(expand_omp_simd): Set loop->simduid from OMP_CLAUSE__SIMDUID_
	and cfun->has_simduid_loops if set.
	If OMP_CLAUSE_SAFELEN (1) is present, don't set loop->safelen
	nor loop->force_vect.
	(lower_omp_sections, lower_omp_single, lower_omp_taskreg): Adjust
	lower_rec_input_clauses callers.
	(lower_omp_for_lastprivate): Unshare vinit.
	(lower_omp_for): Add OMP_CLAUSE__LOOPTEMP_ clauses before calling
	lower_rec_input_clauses.  Adjust lower_rec_input_clauses caller.
	Always call lower_omp_for_lastprivate at the same place, even for
	#pragma omp simd.
	* tree.h (enum clause_code): Add OMP_CLAUSE__SIMDUID_.
	(OMP_CLAUSE__SIMDUID__DECL): Define.
	* tree-vectorizer.c: Include hash-table.h and tree-ssa-propagate.h.
	(simduid_to_vf, decl_to_simduid): New classes.
	(simduid_to_vf::hash, simduid_to_vf::equal, decl_to_simduid::hash,
	decl_to_simduid::equal): New methods.
	(note_simd_array_uses_struct): New struct.
	(adjust_simduid_builtins, note_simd_array_uses_cb,
	note_simd_array_uses): New functions.
	(vectorize_loops): Adjust "omp simd array" temporary array sizes
	and fold GOMP_SIMD_{LANE,VF,LAST_LANE} builtins.
	* tree-vectorizer.h (struct _stmt_vec_info): Add simd_lane_access_p
	field.
	(STMT_VINFO_SIMD_LANE_ACCESS_P): Define.
	* tree-data-ref.c (get_references_in_stmt): Allow GOMP_SIMD_LANE
	builtins in their own loops.
	* tree-inline.c (copy_cfg_body): Propagate has_force_vect_loops
	and has_simduid_loops.
	* function.h (struct function): Add has_simduid_loops field.
	* tree-ssa-ccp.c (likely_value): For GOMP_SIMD_{LANE,LAST_LANE,VF}
	builtins ignore the undefined magic argument.
	* tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__SIMDUID_
	clause.
	* cfgloop.h (struct loop): Add simduid field.
	* Makefile.in (tree-vectorizer.o): Depend on $(HASH_TABLE_H)
	and tree-ssa-propagate.h.
	* tree-vect-data-refs.c (vect_analyze_data_refs): Check for SIMD
	lane access.
	* gimplify.c (omp_add_variable): Handle combination of aligned
	clause and some data sharing clause for the same decl.
	(gimplify_omp_for): For collapse (2) and above simd loops
	predetermine loop iteration vars as lastprivate instead of
	linear.
	* tree.c (omp_clause_num_ops, omp_clause_code_name): Add
	entries for OMP_CLAUSE__SIMDUID_.
	(walk_tree_1): Handle OMP_CLAUSE__SIMDUID_.
	* tree-vect-loop.c (vectorizable_live_operation): Handle live
	GOMP_SIMD_LANE result.
	* tree-vect-stmts.c (vectorizable_call): Vectorize GOMP_SIMD_LANE
	builtin.
	(vectorizable_store, vectorizable_load): Handle
	STMT_VINFO_SIMD_LANE_ACCESS_P.
	* internal-fn.c (expand_GOMP_SIMD_LANE, expand_GOMP_SIMD_VF,
	expand_GOMP_SIMD_LAST_LANE): New functions.

2013-06-21  Jakub Jelinek  <jakub@redhat.com>

	* gimple.h (enum gf_mask): Adjust GF_OMP_FOR_COMBINED
	value representation, add GF_OMP_FOR_COMBINED_INTO.
	(gimple_omp_for_combined_into_p,
	gimple_omp_for_set_combined_into_p): New inlines.
	* gimplify.c (enum omp_region_type): Remove outdated
	ORT_SIMD comment.
	(struct gimplify_omp_ctx): Add combined_loop field.
	(gimplify_omp_for): Call gimple_omp_for_set_combined_into_p
	for inner for/simd constructs combined with an outer
	loop construct (for or distribute).
	* tree.c (omp_clause_num_ops): Add OMP_CLAUSE__LOOPTEMP_
	entry.
	(omp_clause_code_name): Likewise.
	(walk_tree_1): Handle OMP_CLAUSE__LOOPTEMP_.
	* tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__LOOPTEMP_.
	* tree.h (enum omp_clause_code): Add OMP_CLAUSE__LOOPTEMP_.
	(OMP_CLAUSE_DECL): Allow also on OMP_CLAUSE__LOOPTEMP_.
	* omp-low.c (extract_omp_for_data): Rename non_ws to simd.  Don't set
	fd->chunk_size for non-chunk OMP_CLAUSE_SCHEDULE_STATIC, unless
	fd->have_ordered.  For OMP_CLAUSE_SCHEDULE_STATIC non-ordered loops
	compute fd->iter_type the same as for simd.
	(get_ws_args_for): Add par_stmt argument, if
	gimple_omp_for_combined_into_p, use first two _looptemp_ clauses
	temporaries instead of fd->loop.n{1,2}.
	(determine_parallel_type): Adjust caller.
	(scan_sharing_clauses): Handle OMP_CLAUSE__LOOPTEMP_.
	(find_combined_for): New function.
	(scan_omp_parallel): If gimple_omp_parallel_combined_p and
	it is combined with gimple_omp_for_combined_into_p OMP_FOR,
	add OMP_CLAUSE__LOOPTEMP_ clauses to the parallel.
	(check_omp_nesting_restrictions): Don't insist that the only construct
	nested in OMP_DISTRIBUTE must be OMP_PARALLEL.
	(lower_rec_input_clauses, lower_send_clauses): Handle
	OMP_CLAUSE__LOOPTEMP_.
	(expand_omp_for_init_counts, expand_omp_for_init_vars,
	extract_omp_for_update_vars): New functions.
	(expand_omp_for_generic): Add inner_stmt argument.  Use
	expand_omp_for_{init,update}* helper functions.  Handle combined loop
	constructs.
	(expand_omp_for_static_nochunk, expand_omp_for_static_chunk):
	Likewise.  Handle fd->collapse > 1 and broken_loop cases.
	(expand_omp_simd): Use expand_omp_for_init* helper functions.  Handle
	combined loop constructs.
	(expand_omp_for): Add inner_stmt argument.  Pass it through to
	expand_omp_for_{generic,static_{,no}chunk}.  Use
	expand_omp_for_static* even for fd->collapse > 1 and/or broken_loop
	cases, just not when fd->have_ordered.
	(expand_omp): Adjust expand_omp_for caller.
	(lower_omp_for): If gimple_omp_parallel_combined_p, add
	OMP_CLAUSE__LOOPTEMP_ clauses to the GIMPLE_FOR stmt.

2013-06-14  Jakub Jelinek  <jakub@redhat.com>

	* gimple-pretty-print.c (dump_gimple_omp_for): Don't handle
	GF_OMP_FOR_KIND_FOR_SIMD.
	* gimple.h (GF_OMP_FOR_KIND_FOR_SIMD): Remove.
	(GF_OMP_FOR_COMBINED): New.
	(gimple_omp_for_combined_p, gimple_omp_for_set_combined_p): New
	inline functions.
	* gimplify.c (is_gimple_stmt): Don't handle OMP_FOR_SIMD.
	(find_combined_omp_for): New function.
	(gimplify_omp_for): Handle combined OMP_DISTRIBUTE and OMP_FOR
	loops.
	* Makefile.in (c-family/c-omp.o): Depend on $(C_PRAGMA_H).
	* omp-low.c (build_outer_var_ref): Fix up simd handling.
	(check_omp_nesting_restrictions): Don't handle
	GF_OMP_FOR_KIND_FOR_SIMD.
	* tree.def (OMP_FOR_SIMD): Remove.
	* tree-pretty-print.c (dump_generic_node): Don't handle OMP_FOR_SIMD.
	Handle NULL OMP_FOR_INIT.

2013-06-12  Jakub Jelinek  <jakub@redhat.com>

	* gimplify.c (gimplify_scan_omp_clauses): Handle
	OMP_CLAUSE_THREAD_LIMIT.
	* tree-pretty-print.c (dump_omp_clause): Likewise.
	* tree.c (omp_clause_num_ops, omp_clause_code_name): Add entries for
	OMP_CLAUSE_THREAD_LIMIT.
	* tree.h (enum omp_clause_code): Add OMP_CLAUSE_THREAD_LIMIT.
	(OMP_CLAUSE_THREAD_LIMIT_EXPR): Define.

2013-06-04  Jakub Jelinek  <jakub@redhat.com>

	* gimplify.c (gimplify_scan_omp_clauses): Handle array
	sections on OMP_CLAUSE_{MAP,TO,FROM} clauses, handle
	OMP_CLAUSE_DEPEND clause.
	(gimplify_adjust_omp_clauses): Handle array sections on
	OMP_CLAUSE_MAP, handle OMP_CLAUSE_DEPEND clause.
	* tree.c (omp_clause_num_ops): OMP_CLAUSE_{MAP,TO,FROM}
	now have 2 arguments, move OMP_CLAUSE_UNIFORM before these
	3.
	(omp_clause_code_name): Adjust for OMP_CLAUSE_UNIFORM movement.
	(walk_tree_1): Adjust to handle 2 arguments of
	OMP_CLAUSE_{MAP,TO,FROM}.
	* tree-pretty-print.c (dump_omp_clause): For OMP_CLAUSE_{MAP,TO,FROM}
	print OMP_CLAUSE_SIZE, and for OMP_CLAUSE_MAP handle
	OMP_CLAUSE_MAP_POINTER.
	* tree.h (enum omp_clause_code): Move OMP_CLAUSE_UNIFORM before
	OMP_CLAUSE_{MAP,TO,FROM}.
	(OMP_CLAUSE_SIZE): Define.
	(enum omp_clause_map_kind): Add OMP_CLAUSE_MAP_POINTER.
	* omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE_DEPEND.

2013-05-29  Jakub Jelinek  <jakub@redhat.com>

	* omp-builtins.def (BUILT_IN_OMP_GET_TEAM_NUM,
	BUILT_IN_OMP_GET_NUM_TEAMS): New built-ins.
	* omp-low.c (extract_omp_for_data, expand_omp_for_static_nochunk,
	expand_omp_for_static_chunk): Handle #pragma omp distribute.
	(expand_omp_for): Add assertion for non-finished distribute collapse
	> 1 support.
	(check_omp_nesting_restrictions): Allow orphaned distribute construct.

	* omp-low.c (check_omp_nesting_restrictions): Add some
	accelerator related nesting restrictions.
	(scan_omp_1_stmt): Call check_omp_nesting_restrictions
	even for GOMP_taskgroup_{start,end}.
	* gimplify.c (omp_notice_threadprivate_variable): Fix a typo.
	(gimplify_body): For functions with "omp declare target" attribute
	add ORT_TARGET region around the body.

2013-05-27  Jakub Jelinek  <jakub@redhat.com>

	* tree.def (OMP_TEAMS, OMP_TARGET_DATA, OMP_TARGET,
	OMP_TARGET_UPDATE): New tree codes.
	* tree-cfg.c (make_edges): Handle GIMPLE_OMP_TARGET
	and GIMPLE_OMP_TEAMS.
	* omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE_DIST_SCHEDULE.
	* gimple-low.c (lower_stmt): Handle GIMPLE_OMP_TARGET
	and GIMPLE_OMP_TEAMS.
	* tree.h (OMP_TEAMS_BODY, OMP_TEAMS_CLAUSES, OMP_TARGET_DATA_BODY,
	OMP_TARGET_DATA_CLAUSES, OMP_TARGET_BODY, OMP_TARGET_CLAUSES,
	OMP_TARGET_UPDATE_CLAUSES): Define.
 	* tree-nested.c (convert_nonlocal_reference_stmt,
	convert_local_reference_stmt, convert_gimple_call): Handle
	GIMPLE_OMP_TARGET and GIMPLE_OMP_TEAMS.
	* tree-inline.c (estimate_num_insns): Likewise.
	(remap_gimple_stmt): Likewise.  Adjust gimple_build_omp_for
	caller.
	* gimple.def: Adjust comments describing OMP_CLAUSEs.
	(GIMPLE_OMP_TARGET, GIMPLE_OMP_TEAMS): New GIMPLE stmts.
	* tree-parloops.c (create_parallel_loop): Adjust gimple_build_omp_for
	caller.
	* tree-pretty-print.c (dump_generic_node): Handle OMP_TEAMS,
	OMP_TARGET, OMP_TARGET_DATA and OMP_TARGET_UPDATE.
	* gimple.h (GF_OMP_TARGET_KIND_MASK, GF_OMP_TARGET_KIND_REGION,
	GF_OMP_TARGET_KIND_DATA, GF_OMP_TARGET_KIND_UPDATE): New.
	(gimple_build_omp_for): Add kind argument to prototype.
	(gimple_build_omp_target, gimple_build_omp_teams): New prototypes.
	(gimple_has_substatements): Handle GIMPLE_OMP_TARGET and
	GIMPLE_OMP_TEAMS.
	(gimple_omp_subcode): Change GIMPLE_OMP_SINGLE to GIMPLE_OMP_TEAMS.
	(gimple_omp_target_clauses, gimple_omp_target_clauses_ptr,
	gimple_omp_target_set_clauses, gimple_omp_target_kind,
	gimple_omp_target_set_kind, gimple_omp_teams_clauses,
	gimple_omp_teams_clauses_ptr, gimple_omp_teams_set_clauses): New
	inline functions.
	(gimple_return_set_retval): Handle GIMPLE_OMP_TARGET and
	GIMPLE_OMP_TEAMS.
	* gimple.c (gimple_build_omp_for): Add kind argument, call
	gimple_omp_for_set_kind.
	(gimple_build_omp_target, gimple_build_omp_teams): New functions.
	(walk_gimple_op, walk_gimple_stmt, gimple_copy): Handle
	GIMPLE_OMP_TARGET and GIMPLE_OMP_TEAMS.
	* gimple-pretty-print.c (dump_gimple_omp_target,
	dump_gimple_omp_teams): New functions.
	(pp_gimple_stmt_1): Handle GIMPLE_OMP_TARGET and GIMPLE_OMP_TEAMS.
	* gimplify.c (enum gimplify_omp_var_data): Add GOVD_MAP.
	(enum omp_region_type): Add ORT_TEAMS, ORT_TARGET and ORT_TARGET_DATA.
	(omp_add_variable): Add temporary assertions.
	(omp_notice_threadprivate_variable): Complain if threadprivate vars
	appear in target region.
	(omp_notice_variable): ORT_TARGET, ORT_TARGET_DATA and ORT_TEAMS
	handling.
	(omp_check_private): Ignore ORT_TARGET and ORT_TARGET_DATA regions.
	(gimplify_scan_omp_clauses): Handle OMP_CLAUSE_MAP, OMP_CLAUSE_TO,
	OMP_CLAUSE_FROM, OMP_CLAUSE_NUM_TEAMS, OMP_CLAUSE_DIST_SCHEDULE
	and OMP_CLAUSE_DEVICE.
	(gimplify_adjust_omp_clauses): Likewise.
	(gimplify_adjust_omp_clauses_1): Handle GOVD_MAP.  Fix up
	check for privatization by also testing for GOVD_LINEAR.
	(gimplify_omp_for): Adjust gimple_build_omp_for caller.
	Clear *expr_p.
	(gimplify_omp_workshare): Handle also OMP_TARGET, OMP_TARGET_DATA
	and OMP_TEAMS.  Clear *expr_p.
	(gimplify_omp_target_update): New function.
	(gimplify_expr): Handle OMP_TARGET, OMP_TARGET_DATA, OMP_TARGET_UPDATE
	and OMP_TEAMS.

2013-05-20  Jakub Jelinek  <jakub@redhat.com>

	* omp-low.c (expand_omp_simd): For collapse > 1 loops,
	if some loop condition might be not true initially, add runtime
	test and skip the whole loop.

2013-05-14  Jakub Jelinek  <jakub@redhat.com>

	* cfgloop.h (struct loop): Add safelen and force_vect fields.
	* function.h (struct function): Add has_force_vect_loops field.
	* omp-low.c (expand_omp_simd): If !broken_loop, create loop for
	the simd region and set safelen and force_vect fields in it.
	* tree-vectorizer.c (vectorize_loops): If loop has force_vect set,
	vectorize it even if flag_vectorize isn't set.  Clear loop->force_vect
	after vectorization.
	* tree-ssa-loop.c (gate_tree_vectorize): Return true even
	cfun->has_force_vect_loops.
	* tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely_1): Don't
	unroll loops with loop->force_vect.
	* tree-vect-data-refs.c (vect_analyze_data_ref_dependence): For
	unknown or bad data dependency, if loop->safelen is non-zero, just
	decrease *max_vf to loop->safelen if needed and return false.
	* tree-if-conv.c (main_tree_if_conversion): If-convert also loops with
	loop->force_vect.
	(gate_tree_if_conversion): Return true even if
	cfun->has_force_vect_loops.

2013-05-09  Jakub Jelinek  <jakub@redhat.com>

	* tree.c (omp_declare_simd_clauses_equal): New function.
	(attribute_value_equal): Call it for -fopenmp if
	TREE_VALUE of the attributes are both OMP_CLAUSEs.
	* tree.h (omp_declare_simd_clauses_equal): Declare.

2013-04-30  Jakub Jelinek  <jakub@redhat.com>

	* gimple-pretty-print.c (dump_gimple_omp_atomic_load,
	dump_gimple_omp_atomic_store): Handle gimple_omp_atomic_seq_cst_p.
	* gimple.h (enum gf_mask): Add GF_OMP_ATOMIC_SEQ_CST.
	(gimple_omp_atomic_set_seq_cst, gimple_omp_atomic_seq_cst_p): New
	inline functions.
	* omp-low.c (expand_omp_atomic_load, expand_omp_atomic_store,
	expand_omp_atomic_fetch_op): If gimple_omp_atomic_seq_cst_p,
	pass MEMMODEL_SEQ_CST instead of MEMMODEL_RELAXED to the builtin.
	* gimplify.c (gimplify_omp_atomic): Handle OMP_ATOMIC_SEQ_CST.
	* tree-pretty-print.c (dump_generic_node): Handle OMP_ATOMIC_SEQ_CST.
	* tree.def (OMP_ATOMIC): Add comment that OMP_ATOMIC* must stay
	consecutive.
	* tree.h (OMP_ATOMIC_SEQ_CST): Define.

	* omp-low.c (check_omp_nesting_restrictions): Diagnose
	OpenMP constructs nested inside simd region.  Don't treat
	#pragma omp simd as work-sharing region.  Disallow work-sharing
	constructs inside of critical region.  Complain if ordered
	region is nested inside of parallel region without loop
	region in between.
	(scan_omp_1_stmt): Call check_omp_nesting_restrictions even
	for GOMP_{cancel{,lation_point},taskyield,taskwait} calls.

2013-04-23  Jakub Jelinek  <jakub@redhat.com>

	* Makefile.in (omp-low.o): Depend on $(TARGET_H).
	* gimplify.c (gimplify_adjust_omp_clauses): For linear clauses
	if outer_context is non-NULL, but not ORT_COMBINED_PARALLEL,
	call omp_notice_variable.  Remove aligned clauses that can't
	be handled yet.
	* omp-low.c: Include target.h.
	(scan_sharing_clauses): For aligned clauses with global arrays
	register local replacement.
	(omp_clause_aligned_alignment): New function.
	(lower_rec_input_clauses): For aligned clauses for global
	arrays or automatic pointers emit __builtin_assume_aligned
	before the loop if possible.
	(expand_omp_regimplify_p, expand_omp_build_assign): New functions.
	(expand_omp_simd): Use them.  Handle pointer iterators and broken
	loops.
	(lower_omp_for): Call lower_omp on gimple_omp_body_ptr after
	calling lower_rec_input_clauses, not before it.

2013-04-19  Jakub Jelinek  <jakub@redhat.com>

	* tree.h (OMP_CLAUSE_LINEAR_NO_COPYIN,
	OMP_CLAUSE_LINEAR_NO_COPYOUT): Define.
	* omp-low.c (extract_omp_for_data): Handle #pragma omp simd.
	(build_outer_var_ref): For #pragma omp simd allow linear etc.
	clauses to bind even to private vars.
	(scan_sharing_clauses): Handle OMP_CLAUSE_LINEAR, OMP_CLAUSE_ALIGNED
	and OMP_CLAUSE_SAFELEN.
	(lower_rec_input_clauses): Handle OMP_CLAUSE_LINEAR.  Don't emit
	a GOMP_barrier call for firstprivate/lastprivate in #pragma omp simd.
	(lower_lastprivate_clauses): Handle also OMP_CLAUSE_LINEAR.
	(expand_omp_simd): New function.
	(expand_omp_for): Handle #pragma omp simd.
	* gimplify.c (enum gimplify_omp_var_data): Add GOVD_LINEAR and
	GOVD_ALIGNED, add GOVD_LINEAR into GOVD_DATA_SHARE_CLASS.
	(enum omp_region_type): Add ORT_SIMD.
	(gimple_add_tmp_var, gimplify_var_or_parm_decl, omp_check_private,
	omp_firstprivatize_variable, omp_notice_variable): Handle ORT_SIMD
	like ORT_WORKSHARE.
	(omp_is_private): Likewise.  Add SIMD argument, tweak diagnostics
	and add extra errors in simd constructs.
	(gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses): Handle
	OMP_CLAUSE_LINEAR, OMP_CLAUSE_ALIGNED and OMP_CLAUSE_SAFELEN.
	(gimplify_adjust_omp_clauses_1): Handle GOVD_LASTPRIVATE and
	GOVD_ALIGNED.
	(gimplify_omp_for): Handle #pragma omp simd.

2013-04-10  Jakub Jelinek  <jakub@redhat.com>

	* builtin-types.def (DEF_FUNCTION_TYPE_8): Document.
	(BT_FN_VOID_OMPFN_PTR_UINT, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
	BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): Remove.
	(BT_FN_VOID_OMPFN_PTR_UINT_UINT_UINT,
	BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_UINT,
	BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG_UINT): New.
	* gimplify.c (gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses):
	Handle OMP_CLAUSE_PROC_BIND.
	* omp-builtins.def (BUILT_IN_GOMP_TASKGROUP_START,
	BUILT_IN_GOMP_TASKGROUP_END, BUILT_IN_GOMP_PARALLEL_LOOP_STATIC,
	BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC,
	BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED,
	BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME, BUILT_IN_GOMP_PARALLEL,
	BUILT_IN_GOMP_PARALLEL_SECTIONS): New built-ins.
	(BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
	BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
	BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
	BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
	BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
	BUILT_IN_GOMP_PARALLEL_SECTIONS_START): Remove.
	* omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE_PROC_BIND.
	(expand_parallel_call): Expand #pragma omp parallel* as
	calls to the new GOMP_parallel_* APIs without _start at the end,
	instead of GOMP_parallel_*_start followed by fn.omp_fn.N call,
	followed by GOMP_parallel_end.  Handle OMP_CLAUSE_PROC_BIND.
	* tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
	call_may_clobber_ref_p_1): Handle BUILT_IN_GOMP_TASKGROUP_END
	instead of BUILT_IN_GOMP_PARALLEL_END.

2013-03-27  Jakub Jelinek  <jakub@redhat.com>

	* gimple-pretty-print.c (dump_gimple_omp_for): Handle different
	GIMPLE_OMP_FOR kinds.
	* tree.def (OMP_SIMD, OMP_FOR_SIMD, OMP_DISTRIBUTE): New tree codes.
	* gimple.h (enum gf_mask): Add GF_OMP_FOR_KIND_MASK,
	GF_OMP_FOR_KIND_FOR, GF_OMP_FOR_KIND_SIMD, GF_OMP_FOR_KIND_FOR_SIMD
	and GF_OMP_FOR_KIND_DISTRIBUTE.
	(gimple_omp_for_kind, gimple_omp_for_set_kind): New inline functions.
	* gimplify.c (is_gimple_stmt, gimplify_omp_for, gimplify_expr): Handle
	OMP_SIMD, OMP_FOR_SIMD and OMP_DISTRIBUTE.
	* tree.c (omp_clause_num_ops, omp_clause_code_name, walk_tree_1):
	Handle new OpenMP 4.0 clauses.
	* tree-pretty-print.c (dump_omp_clause): Likewise.
	(dump_generic_node): Handle OMP_SIMD, OMP_FOR_SIMD and OMP_DISTRIBUTE.
	* tree.h (enum omp_clause_code): Add OMP_CLAUSE_LINEAR,
	OMP_CLAUSE_ALIGNED, OMP_CLAUSE_DEPEND, OMP_CLAUSE_FROM, OMP_CLAUSE_TO,
	OMP_CLAUSE_UNIFORM, OMP_CLAUSE_MAP, OMP_CLAUSE_DEVICE,
	OMP_CLAUSE_DIST_SCHEDULE, OMP_CLAUSE_INBRANCH, OMP_CLAUSE_NOTINBRANCH,
	OMP_CLAUSE_NUM_TEAMS, OMP_CLAUSE_PROC_BIND, OMP_CLAUSE_SAFELEN,
	OMP_CLAUSE_SIMDLEN, OMP_CLAUSE_FOR, OMP_CLAUSE_PARALLEL,
	OMP_CLAUSE_SECTIONS and OMP_CLAUSE_TASKGROUP.
	(OMP_LOOP_CHECK): Define.
	(OMP_FOR_BODY, OMP_FOR_CLAUSES, OMP_FOR_INIT, OMP_FOR_COND,
	OMP_FOR_INCR, OMP_FOR_PRE_BODY): Use OMP_LOOP_CHECK instead of
	OMP_FOR_CHECK.
	(OMP_CLAUSE_DECL): Extend check range up to OMP_CLAUSE_MAP.
	(OMP_CLAUSE_LINEAR_STEP, OMP_CLAUSE_ALIGNED_ALIGNMENT,
	OMP_CLAUSE_NUM_TEAMS_EXPR, OMP_CLAUSE_DEVICE_ID,
	OMP_CLAUSE_DIST_SCHEDULE_CHUNK_EXPR, OMP_CLAUSE_SAFELEN_EXPR,
	OMP_CLAUSE_SIMDLEN_EXPR): Define.
	(enum omp_clause_depend_kind, enum omp_clause_map_kind,
	enum omp_clause_proc_bind_kind): New enums.
	(OMP_CLAUSE_DEPEND_KIND, OMP_CLAUSE_MAP_KIND,
	OMP_CLAUSE_PROC_BIND_KIND): Define.
	(struct tree_omp_clause): Add subcode.depend_kind, subcode.map_kind
	and subcode.proc_bind_kind.
	(find_omp_clause): New prototype.
	* omp-builtins.def (BUILT_IN_GOMP_CANCEL,
	BUILT_IN_GOMP_CANCELLATION_POINT): New built-ins.
	* tree-flow.h (find_omp_clause): Remove prototype.

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