gcc/libgomp/parallel.c

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c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805. * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805. * langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause. Add omp_private_outer_ref hook, add another argument to omp_clause_default_ctor hook. * langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define. (LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define. (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to hook_tree_tree_tree_tree_null. (LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and LANG_HOOKS_OMP_PRIVATE_OUTER_REF. * hooks.c (hook_tree_tree_tree_tree_null): New function. * hooks.h (hook_tree_tree_tree_tree_null): New prototype. * tree.def (OMP_TASK): New tree code. * tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN, OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT, OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES, OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY, OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG, OMP_CLAUSE_COLLAPSE_EXPR): Define. (enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. (OMP_DIRECTIVE_P): Add OMP_TASK. (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes. (OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind. * tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED entries. (omp_clause_num_ops): Likewise. Increase OMP_CLAUSE_LASTPRIVATE num_ops to 2. (walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Walk OMP_CLAUSE_LASTPRIVATE_STMT. * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. (dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops. * c-omp.c (c_finish_omp_for): Allow pointer iterators. Remove warning about unsigned iterators. Change decl/init/cond/incr arguments to TREE_VECs, check arguments for all collapsed loops. (c_finish_omp_taskwait): New function. (c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to ws_clauses. * c-parser.c (c_parser_omp_for_loop): Parse collapsed loops. Call default_function_array_conversion on init. Add par_clauses argument. If decl is present in parallel's lastprivate clause, change it to shared and add lastprivate clause for decl to OMP_FOR_CLAUSES. Add clauses argument, on success set OMP_FOR_CLAUSES to it. Look up collapse count in clauses. (c_parser_omp_for, c_parser_omp_parallel): Adjust c_parser_omp_for_loop callers. (OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE. (c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT. (c_parser_omp_clause_name): Handle collapse and untied clauses. (c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New functions. (c_parser_omp_clause_schedule): Handle schedule(auto). Include correct location in the error message. (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE and PRAGMA_OMP_CLAUSE_UNTIED. (OMP_TASK_CLAUSE_MASK): Define. (c_parser_omp_task, c_parser_omp_taskwait): New functions. (c_parser_omp_construct): Handle PRAGMA_OMP_TASK. * tree-nested.c (convert_nonlocal_omp_clauses, convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE, OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in OMP_CLAUSE_DECL. (conver_nonlocal_reference, convert_local_reference, convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL. Use OMP_TASKREG_* macros rather than OMP_PARALLEL_*. (walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes. * tree-gimple.c (is_gimple_stmt): Handle OMP_TASK. * c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes. * c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New. (PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New. * c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions. (c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. * c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas. * c-common.h (c_finish_omp_taskwait): New prototype. * gimple-low.c (lower_stmt): Handle OMP_TASK. * tree-parloops.c (create_parallel_loop): Create 1 entry vectors for OMP_FOR_{INIT,COND,INCR}. * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers. (make_edges): Handle OMP_TASK. * tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. * tree-inline.c (estimate_num_insns_1): Handle OMP_TASK. * builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR, BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New. * omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT, BUILT_IN_GOMP_LOOP_ULL_STATIC_START, BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ULL_GUIDED_START, BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins. * gimplify.c (gimplify_omp_for): Allow pointer type for decl, handle POINTER_PLUS_EXPR. If loop counter has been replaced and original iterator is present in lastprivate clause or if collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT. Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. (gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK. (enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF. (omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed, if it is set, lookup var in outer contexts too. Handle OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. Handle vars that are supposed to be implicitly determined firstprivate for task regions. (gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed, if it is set, lookup var in outer contexts too. Set OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set. Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Take region_type as last argument instead of in_parallel and in_combined_parallel. (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare): Adjust callers. (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set. Call omp_finish_clause langhook. (new_omp_context): Set default_kind to OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions. (omp_region_type): New enum. (struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel fields, add region_type. (new_omp_context): Take region_type as argument instead of is_parallel and is_combined_parallel. (gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable, omp_is_private, omp_check_private): Adjust ctx->is_parallel and ctx->is_combined_parallel checks. (gimplify_omp_task): New function. (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. * omp-low.c (extract_omp_for_data): Use schedule(static) for schedule(auto). Handle pointer and unsigned iterators. Compute fd->iter_type. Handle POINTER_PLUS_EXPR increments. Add loops argument. Extract data for collapsed OMP_FOR loops. (expand_parallel_call): Assert sched_kind isn't auto, map runtime schedule to index 3. (struct omp_for_data_loop): New type. (struct omp_for_data): Remove v, n1, n2, step, cond_code fields. Add loop, loops, collapse and iter_type fields. (workshare_safe_to_combine_p): Disallow combined for if iter_type is unsigned long long. Don't combine collapse > 1 loops unless all bounds and steps are constant. Adjust extract_omp_for_data caller. (expand_omp_for_generic): Handle pointer, unsigned and long long iterators. Handle collapsed OMP_FOR loops. Adjust for struct omp_for_data changes. If libgomp function doesn't return boolean_type_node, add comparison of the return value with 0. (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle pointer, unsigned and long long iterators. Adjust for struct omp_for_data changes. (expand_omp_for): Assert sched_kind isn't auto, map runtime schedule to index 3. Use GOMP_loop_ull*{start,next} if iter_type is unsigned long long. Allocate loops array, pass it to extract_omp_for_data. For collapse > 1 loops use always expand_omp_for_generic. (omp_context): Add sfield_map and srecord_type fields. (is_task_ctx, lookup_sfield): New functions. (use_pointer_for_field): Use is_task_ctx helper. Change first argument's type from const_tree to tree. Clarify comment. In OMP_TASK disallow copy-in/out sharing. (build_sender_ref): Call lookup_sfield instead of lookup_field. (install_var_field): Add mask argument. Populate both record_type and srecord_type if needed. (delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN in srecord_type. (fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT} and DECL_FIELD_OFFSET. (scan_sharing_clauses): Adjust install_var_field callers. For firstprivate clauses on explicit tasks allocate the var by value in record_type unconditionally, rather than by reference. Handle OMP_CLAUSE_PRIVATE_OUTER_REF. Scan OMP_CLAUSE_LASTPRIVATE_STMT. Use is_taskreg_ctx instead of is_parallel_ctx. Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. (create_omp_child_function_name): Add task_copy argument, use *_omp_cpyfn* names if it is true. (create_omp_child_function): Add task_copy argument, if true create *_omp_cpyfn* helper function. (scan_omp_parallel): Adjust create_omp_child_function callers. Rename parallel_nesting_level to taskreg_nesting_level. (scan_omp_task): New function. (lower_rec_input_clauses): Don't run constructors for firstprivate explicit task vars which are initialized by *_omp_cpyfn*. Pass outer var ref to omp_clause_default_ctor hook if OMP_CLAUSE_PRIVATE_OUTER_REF or OMP_CLAUSE_LASTPRIVATE. Replace OMP_CLAUSE_REDUCTION_PLACEHOLDER decls in OMP_CLAUSE_REDUCTION_INIT. (lower_send_clauses): Clear DECL_ABSTRACT_ORIGIN if in task to avoid duplicate setting of fields. Handle OMP_CLAUSE_PRIVATE_OUTER_REF. (lower_send_shared_vars): Use srecord_type if non-NULL. Don't copy-out if TREE_READONLY, only copy-in. (expand_task_copyfn): New function. (expand_task_call): New function. (struct omp_taskcopy_context): New type. (task_copyfn_copy_decl, task_copyfn_remap_type, create_task_copyfn): New functions. (lower_omp_parallel): Rename to... (lower_omp_taskreg): ... this. Use OMP_TASKREG_* macros where needed. Call create_task_copyfn if srecord_type is needed. Adjust sender_decl type. (task_shared_vars): New variable. (check_omp_nesting_restrictions): Warn if work-sharing, barrier, master or ordered region is closely nested inside OMP_TASK. Add warnings for barrier if closely nested inside of work-sharing, ordered, or master region. (scan_omp_1): Call check_omp_nesting_restrictions even for GOMP_barrier calls. Rename parallel_nesting_level to taskreg_nesting_level. Handle OMP_TASK. (lower_lastprivate_clauses): Even if some lastprivate is found on a work-sharing construct, continue looking for them on parent parallel construct. (lower_omp_for_lastprivate): Add lastprivate clauses to the beginning of dlist rather than end. Adjust for struct omp_for_data changes. (lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY, not after it. Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller. (get_ws_args_for): Adjust extract_omp_for_data caller. (scan_omp_for): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. (lower_omp_single_simple): If libgomp function doesn't return boolean_type_node, add comparison of the return value with 0. (diagnose_sb_1, diagnose_sb_2): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. Handle OMP_TASK. (parallel_nesting_level): Rename to... (taskreg_nesting_level): ... this. (is_taskreg_ctx): New function. (build_outer_var_ref, omp_copy_decl): Use is_taskreg_ctx instead of is_parallel_ctx. (execute_lower_omp): Rename parallel_nesting_level to taskreg_nesting_level. (expand_omp_parallel): Rename to... (expand_omp_taskreg): ... this. Use OMP_TASKREG_* macros where needed. Call omp_task_call for OMP_TASK regions. (expand_omp): Adjust caller, handle OMP_TASK. (lower_omp_1): Adjust lower_omp_taskreg caller, handle OMP_TASK. * bitmap.c (bitmap_default_obstack_depth): New variable. (bitmap_obstack_initialize, bitmap_obstack_release): Do nothing if argument is NULL and bitmap_default_obstack is already initialized. * ipa-struct-reorg.c (do_reorg_1): Call bitmap_obstack_release at the end. * matrix-reorg.c (matrix_reorg): Likewise. cp/ * cp-tree.h (cxx_omp_finish_clause, cxx_omp_create_clause_info, dependent_omp_for_p, begin_omp_task, finish_omp_task, finish_omp_taskwait): New prototypes. (cxx_omp_clause_default_ctor): Add outer argument. (finish_omp_for): Add new clauses argument. * cp-gimplify.c (cxx_omp_finish_clause): New function. (cxx_omp_predetermined_sharing): Moved from semantics.c, rewritten. (cxx_omp_clause_default_ctor): Add outer argument. (cp_genericize_r): Walk OMP_CLAUSE_LASTPRIVATE_STMT. * cp-objcp-common.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define. * parser.c (cp_parser_omp_for_loop): Parse collapsed for loops. Add par_clauses argument. If decl is present in parallel's lastprivate clause, change that clause to shared and add a lastprivate clause for decl to OMP_FOR_CLAUSES. Fix wording of error messages. Adjust finish_omp_for caller. Add clauses argument. Parse loops with random access iterators. (cp_parser_omp_clause_collapse, cp_parser_omp_clause_untied): New functions. (cp_parser_omp_for, cp_parser_omp_parallel): Adjust cp_parser_omp_for_loop callers. (cp_parser_omp_for_cond, cp_parser_omp_for_incr): New helper functions. (cp_parser_omp_clause_name): Handle collapse and untied clauses. (cp_parser_omp_clause_schedule): Handle auto schedule. (cp_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE and PRAGMA_OMP_CLAUSE_UNTIED. (OMP_FOR_CLAUSE_MASK): Add PRAGMA_OMP_CLAUSE_COLLAPSE. (OMP_TASK_CLAUSE_MASK): Define. (cp_parser_omp_task, cp_parser_omp_taskwait): New functions. (cp_parser_omp_construct): Handle PRAGMA_OMP_TASK. (cp_parser_pragma): Handle PRAGMA_OMP_TASK and PRAGMA_OMP_TASKWAIT. * pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Handle OMP_CLAUSE_LASTPRIVATE_STMT. (tsubst_omp_for_iterator): New function. (dependent_omp_for_p): New function. (tsubst_expr) <case OMP_FOR>: Use it. Handle collapsed OMP_FOR loops. Adjust finish_omp_for caller. Handle loops with random access iterators. Adjust for OMP_FOR_{INIT,COND,INCR} changes. (tsubst_expr): Handle OMP_TASK. * semantics.c (cxx_omp_create_clause_info): New function. (finish_omp_clauses): Call it. Handle OMP_CLAUSE_UNTIED and OMP_CLAUSE_COLLAPSE. (cxx_omp_predetermined_sharing): Removed. * semantics.c (finish_omp_for): Allow pointer iterators. Use handle_omp_for_class_iterator and dependent_omp_for_p. Handle collapsed for loops. Adjust c_finish_omp_for caller. Add new clauses argument. Fix check for type dependent cond or incr. Set OMP_FOR_CLAUSES to clauses. Use cp_convert instead of fold_convert to convert incr amount to difference_type. Only fold if not in template. If decl is mentioned in lastprivate clause, set OMP_CLAUSE_LASTPRIVATE_STMT. Handle loops with random access iterators. Adjust for OMP_FOR_{INIT,COND,INCR} changes. (finish_omp_threadprivate): Allow static class members of the current class. (handle_omp_for_class_iterator, begin_omp_task, finish_omp_task, finish_omp_taskwait): New functions. * parser.c (cp_parser_binary_expression): Add prec argument. (cp_parser_assignment_expression): Adjust caller. * cp-tree.h (outer_curly_brace_block): New prototype. * decl.c (outer_curly_brace_block): No longer static. fortran/ * scanner.c (skip_free_comments, skip_fixed_comments): Handle tabs. * parse.c (next_free): Allow tab after !$omp. (decode_omp_directive): Handle !$omp task, !$omp taskwait and !$omp end task. (case_executable): Add ST_OMP_TASKWAIT. (case_exec_markers): Add ST_OMP_TASK. (gfc_ascii_statement): Handle ST_OMP_TASK, ST_OMP_END_TASK and ST_OMP_TASKWAIT. (parse_omp_structured_block, parse_executable): Handle ST_OMP_TASK. * gfortran.h (gfc_find_sym_in_expr): New prototype. (gfc_statement): Add ST_OMP_TASK, ST_OMP_END_TASK and ST_OMP_TASKWAIT. (gfc_omp_clauses): Add OMP_SCHED_AUTO to sched_kind, OMP_DEFAULT_FIRSTPRIVATE to default_sharing. Add collapse and untied fields. (gfc_exec_op): Add EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * f95-lang.c (LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, LANG_HOOKS_OMP_CLAUSE_DTOR, LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define. * trans.h (gfc_omp_clause_default_ctor): Add another argument. (gfc_omp_clause_copy_ctor, gfc_omp_clause_assign_op, gfc_omp_clause_dtor, gfc_omp_private_outer_ref): New prototypes. * types.def (BT_ULONGLONG, BT_PTR_ULONGLONG, BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_VOID_PTR_PTR, BT_PTR_FN_VOID_PTR_PTR, BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New. (BT_BOOL): Use integer type with BOOL_TYPE_SIZE rather than boolean_type_node. * dump-parse-tree.c (gfc_show_omp_node): Handle EXEC_OMP_TASK, EXEC_OMP_TASKWAIT, OMP_SCHED_AUTO, OMP_DEFAULT_FIRSTPRIVATE, untied and collapse clauses. (gfc_show_code_node): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * trans.c (gfc_trans_code): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * st.c (gfc_free_statement): Likewise. * resolve.c (gfc_resolve_blocks, resolve_code): Likewise. (find_sym_in_expr): Rename to... (gfc_find_sym_in_expr): ... this. No longer static. (resolve_allocate_expr, resolve_ordinary_assign): Adjust caller. * match.h (gfc_match_omp_task, gfc_match_omp_taskwait): New prototypes. * openmp.c (resolve_omp_clauses): Allow allocatable arrays in firstprivate, lastprivate, reduction, copyprivate and copyin clauses. (omp_current_do_code): Made static. (omp_current_do_collapse): New variable. (gfc_resolve_omp_do_blocks): Compute omp_current_do_collapse, clear omp_current_do_code and omp_current_do_collapse on return. (gfc_resolve_do_iterator): Handle collapsed do loops. (resolve_omp_do): Likewise, diagnose errorneous collapsed do loops. (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): Define. (gfc_match_omp_clauses): Handle default (firstprivate), schedule (auto), untied and collapse (n) clauses. (OMP_DO_CLAUSES): Add OMP_CLAUSE_COLLAPSE. (OMP_TASK_CLAUSES): Define. (gfc_match_omp_task, gfc_match_omp_taskwait): New functions. * trans-openmp.c (gfc_omp_private_outer_ref): New function. (gfc_omp_clause_default_ctor): Add outer argument. For allocatable arrays allocate them with the bounds of the outer var if outer var is allocated. (gfc_omp_clause_copy_ctor, gfc_omp_clause_assign_op, gfc_omp_clause_dtor): New functions. (gfc_trans_omp_array_reduction): If decl is allocatable array, allocate it with outer var's bounds in OMP_CLAUSE_REDUCTION_INIT and deallocate it in OMP_CLAUSE_REDUCTION_MERGE. (gfc_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED for assumed-size arrays. (gfc_trans_omp_do): Add par_clauses argument. If dovar is present in lastprivate clause and do loop isn't simple, set OMP_CLAUSE_LASTPRIVATE_STMT. If dovar is present in parallel's lastprivate clause, change it to shared and add lastprivate clause to OMP_FOR_CLAUSES. Handle collapsed do loops. (gfc_trans_omp_directive): Adjust gfc_trans_omp_do callers. (gfc_trans_omp_parallel_do): Likewise. Move collapse clause to OMP_FOR from OMP_PARALLEL. (gfc_trans_omp_clauses): Handle OMP_SCHED_AUTO, OMP_DEFAULT_FIRSTPRIVATE, untied and collapse clauses. (gfc_trans_omp_task, gfc_trans_omp_taskwait): New functions. (gfc_trans_omp_directive): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. gcc/testsuite/ * gcc.dg/gomp/collapse-1.c: New test. * gcc.dg/gomp/nesting-1.c: New test. * g++.dg/gomp/task-1.C: New test. * g++.dg/gomp/predetermined-1.C: New test. * g++.dg/gomp/tls-4.C: New test. * gfortran.dg/gomp/collapse1.f90: New test. * gfortran.dg/gomp/sharing-3.f90: New test. * gcc.dg/gomp/pr27499.c (foo): Remove is unsigned dg-warning. * g++.dg/gomp/pr27499.C (foo): Likewise. * g++.dg/gomp/for-16.C (foo): Likewise. * g++.dg/gomp/tls-3.C: Remove dg-error, add S::s definition. * g++.dg/gomp/pr34607.C: Adjust dg-error location. * g++.dg/gomp/for-16.C (foo): Add a new dg-error. * gcc.dg/gomp/appendix-a/a.35.4.c: Add dg-warning. * gcc.dg/gomp/appendix-a/a.35.6.c: Likewise. * gfortran.dg/gomp/appendix-a/a.35.4.f90: Likewise. * gfortran.dg/gomp/appendix-a/a.35.6.f90: Likewise. * gfortran.dg/gomp/omp_parse1.f90: Remove !$omp tab test. * gfortran.dg/gomp/appendix-a/a.33.4.f90: Remove dg-error about allocatable array. * gfortran.dg/gomp/reduction1.f90: Likewise. libgomp/ * configure.ac (LIBGOMP_GNU_SYMBOL_VERSIONING): New AC_DEFINE. Substitute also OMP_*LOCK_25*. * configure: Regenerated. * config.h.in: Regenerated. * Makefile.am (libgomp_la_SOURCES): Add loop_ull.c, iter_ull.c, ptrlock.c and task.c. * Makefile.in: Regenerated. * testsuite/Makefile.in: Regenerated. * task.c: New file. * loop_ull.c: New file. * iter_ull.c: New file. * libgomp.h: Include ptrlock.h. (enum gomp_task_kind): New type. (struct gomp_team): Add task_lock, task_queue, task_count, task_running_count, single_count fields. Add work_share_list_free_lock ifndef HAVE_SYNC_BUILTINS. Remove work_share_lock, generation_mask, oldest_live_gen, num_live_gen and init_work_shares fields, add work work_share_list_alloc, work_share_list_free and work_share_chunk fields. Change work_shares from pointer to pointers into an array. Change ordered_release field into gomp_sem_t ** from flexible array member. Add implicit_task and initial_work_shares fields. Move close to the end of the struct. (struct gomp_team_state): Add single_count, last_work_share, active_level and level fields, remove work_share_generation. (gomp_barrier_handle_tasks): New prototype. (gomp_finish_task): New inline function. (struct gomp_work_share): Move chunk_size, end, incr into transparent union/struct, add chunk_size_ull, end_ll, incr_ll and next_ll fields. Reshuffle fields. Add next_alloc, next_ws, next_free and inline_ordered_team_ids fields, change ordered_team_ids into pointer from flexible array member. Add mode field. Put lock and next into a different cache line from most of the write-once fields. (gomp_iter_ull_static_next, gomp_iter_ull_dynamic_next_locked, gomp_iter_ull_guided_next_locked, gomp_iter_ull_dynamic_next, gomp_iter_ull_guided_next): New prototypes. (gomp_new_icv): New prototype. (struct gomp_thread): Add thread_pool and task fields. (struct gomp_thread_pool): New type. (gomp_new_team): New prototype. (gomp_team_start): Change type of last argument. (gomp_new_work_share): Removed. (gomp_init_work_share, gomp_fini_work_share): New prototypes. (gomp_work_share_init_done): New static inline. (gomp_throttled_spin_count_var, gomp_available_cpus, gomp_managed_threads): New extern decls. (gomp_init_task): New prototype. (gomp_spin_count_var): New extern var decl. (LIBGOMP_GNU_SYMBOL_VERSIONING): Undef if no visibility or no alias support, or if not PIC. (gomp_init_lock_30, gomp_destroy_lock_30, gomp_set_lock_30, gomp_unset_lock_30, gomp_test_lock_30, gomp_init_nest_lock_30, gomp_destroy_nest_lock_30, gomp_set_nest_lock_30, gomp_unset_nest_lock_30, gomp_test_nest_lock_30, gomp_init_lock_25, gomp_destroy_lock_25, gomp_set_lock_25, gomp_unset_lock_25, gomp_test_lock_25, gomp_init_nest_lock_25, gomp_destroy_nest_lock_25, gomp_set_nest_lock_25, gomp_unset_nest_lock_25, gomp_test_nest_lock_25): New prototypes. (omp_lock_symver, strong_alias): Define. (gomp_remaining_threads_count, gomp_remaining_threads_lock): New decls. (gomp_end_task): New. (struct gomp_task_icv, gomp_global_icv): New. (gomp_thread_limit_var, gomp_max_active_levels_var): New. (struct gomp_task): New. (gomp_nthreads_var, gomp_dyn_var, gomp_nest_var, gomp_run_sched_var, gomp_run_sched_chunk): Remove. (gomp_icv): New. (gomp_schedule_type): Reorder enum to match omp_sched_t. * team.c (struct gomp_thread_start_data): Add thread_pool and task fields. (gomp_thread_start): Add gomp_team_barrier_wait call. For non-nested case remove clearing of docked thread thr fields. Use pool fields instead of global gomp_* variables. Use gomp_barrier_wait_last when needed. Initialize ts.active_level. Create tasks for each member thread. (free_team): Only destroy team barrier, task_lock here and free it. (gomp_free_thread): Free last_team if non-NULL. (gomp_team_end): Call gomp_team_barrier_wait instead of gomp_barrier_wait. For nested case call one extra gomp_barrier_wait. Move here some destruction from free_team. Call free_team on pool->last_team if any, rather than freeing current team. Destroy work_share_list_free_lock ifndef HAVE_SYNC_BUILTINS. (gomp_new_icv): New function. (gomp_threads, gomp_threads_size, gomp_threads_used, gomp_threads_dock): Removed. (gomp_thread_destructor): New variable. (gomp_new_thread_pool, gomp_free_pool_helper, gomp_free_thread): New functions. (gomp_team_start): Create new pool if current thread doesn't have one. Use pool fields instead of global gomp_* variables. Initialize thread_pool field for new threads. Clear single_count. Change last argument from ws to team, don't create new team, set ts.work_share to &team->work_shares[0] and clear ts.last_work_share. Don't clear ts.work_share_generation. If number of threads changed, adjust atomically gomp_managed_threads. Use gomp_init_task instead of gomp_new_task, set thr->task to the corresponding implicit_task array entry. Create tasks for each member thread. Initialize ts.level. (initialize_team): Call pthread_key_create on gomp_thread_destructor. (team_destructor): New function. (new_team): Removed. (gomp_new_team): New function. (free_team): Free gomp_work_share blocks chained through next_alloc, instead of freeing work_shares and destroying work_share_lock. (gomp_team_end): Call gomp_fini_work_share. If number of threads changed, adjust atomically gomp_managed_threads. Use gomp_end_task. * barrier.c (GOMP_barrier): Call gomp_team_barrier_wait instead of gomp_barrier_wait. * single.c (GOMP_single_copy_start): Call gomp_team_barrier_wait instead of gomp_barrier_wait. Call gomp_work_share_init_done if gomp_work_share_start returned true. Don't unlock ws->lock. (GOMP_single_copy_end): Call gomp_team_barrier_wait instead of gomp_barrier_wait. (GOMP_single_start): Rewritten if HAVE_SYNC_BUILTINS. Call gomp_work_share_init_done if gomp_work_share_start returned true. Don't unlock ws->lock. * work.c: Include stddef.h. (free_work_share): Use work_share_list_free_lock instead of atomic chaining ifndef HAVE_SYNC_BUILTINS. Add team argument. Call gomp_fini_work_share and then either free ws if orphaned, or put it into work_share_list_free list of the current team. (alloc_work_share, gomp_init_work_share, gomp_fini_work_share): New functions. (gomp_work_share_start, gomp_work_share_end, gomp_work_share_end_nowait): Rewritten. * omp_lib.f90.in Change some tabs to spaces to prevent warnings. (openmp_version): Set to 200805. (omp_sched_kind, omp_sched_static, omp_sched_dynamic, omp_sched_guided, omp_sched_auto): New parameters. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New interfaces. * omp_lib.h.in (openmp_version): Set to 200805. (omp_sched_kind, omp_sched_static, omp_sched_dynamic, omp_sched_guided, omp_sched_auto): New parameters. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New externals. * loop.c: Include limits.h. (GOMP_loop_runtime_next, GOMP_loop_ordered_runtime_next): Handle GFS_AUTO. (GOMP_loop_runtime_start, GOMP_loop_ordered_runtime_start): Likewise. Use gomp_icv. (gomp_loop_static_start, gomp_loop_dynamic_start): Clear ts.static_trip here. (gomp_loop_static_start, gomp_loop_ordered_static_start): Call gomp_work_share_init_done after gomp_loop_init. Don't unlock ws->lock. (gomp_loop_dynamic_start, gomp_loop_guided_start): Call gomp_work_share_init_done after gomp_loop_init. If HAVE_SYNC_BUILTINS, don't unlock ws->lock, otherwise lock it. (gomp_loop_ordered_dynamic_start, gomp_loop_ordered_guided_start): Call gomp_work_share_init_done after gomp_loop_init. Lock ws->lock. (gomp_parallel_loop_start): Call gomp_new_team instead of gomp_new_work_share. Call gomp_loop_init on &team->work_shares[0]. Adjust gomp_team_start caller. Pass 0 as second argument to gomp_resolve_num_threads. (gomp_loop_init): For GFS_DYNAMIC, multiply ws->chunk_size by incr. If adding ws->chunk_size nthreads + 1 times after end won't overflow, set ws->mode to 1. * libgomp_g.h (GOMP_loop_ull_static_start, GOMP_loop_ull_dynamic_start, GOMP_loop_ull_guided_start, GOMP_loop_ull_runtime_start, GOMP_loop_ull_ordered_static_start, GOMP_loop_ull_ordered_dynamic_start, GOMP_loop_ull_ordered_guided_start, GOMP_loop_ull_ordered_runtime_start, GOMP_loop_ull_static_next, GOMP_loop_ull_dynamic_next, GOMP_loop_ull_guided_next, GOMP_loop_ull_runtime_next, GOMP_loop_ull_ordered_static_next, GOMP_loop_ull_ordered_dynamic_next, GOMP_loop_ull_ordered_guided_next, GOMP_loop_ull_ordered_runtime_next, GOMP_task, GOMP_taskwait): New prototypes. * libgomp.map: Export lock routines also @@OMP_2.0. (GOMP_loop_ordered_dynamic_first, GOMP_loop_ordered_guided_first, GOMP_loop_ordered_runtime_first, GOMP_loop_ordered_static_first): Remove. (GOMP_loop_ull_dynamic_next, GOMP_loop_ull_dynamic_start, GOMP_loop_ull_guided_next, GOMP_loop_ull_guided_start, GOMP_loop_ull_ordered_dynamic_next, GOMP_loop_ull_ordered_dynamic_start, GOMP_loop_ull_ordered_guided_next, GOMP_loop_ull_ordered_guided_start, GOMP_loop_ull_ordered_runtime_next, GOMP_loop_ull_ordered_runtime_start, GOMP_loop_ull_ordered_static_next, GOMP_loop_ull_ordered_static_start, GOMP_loop_ull_runtime_next, GOMP_loop_ull_runtime_start, GOMP_loop_ull_static_next, GOMP_loop_ull_static_start, GOMP_task, GOMP_taskwait): Export @@GOMP_2.0. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level, omp_set_schedule_, omp_set_schedule_8_, omp_get_schedule_, omp_get_schedule_8_, omp_get_thread_limit_, omp_set_max_active_levels_, omp_set_max_active_levels_8_, omp_get_max_active_levels_, omp_get_level_, omp_get_ancestor_thread_num_, omp_get_ancestor_thread_num_8_, omp_get_team_size_, omp_get_team_size_8_, omp_get_active_level_): New exports @@OMP_3.0. * omp.h.in (omp_sched_t): New type. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New prototypes. * env.c (gomp_spin_count_var, gomp_throttled_spin_count_var, gomp_available_cpus, gomp_managed_threads, gomp_max_active_levels_var, gomp_thread_limit_var, gomp_remaining_threads_count, gomp_remaining_threads_lock): New variables. (parse_spincount): New function. (initialize_env): Call gomp_init_num_threads unconditionally. Initialize gomp_available_cpus. Call parse_spincount, initialize gomp_{,throttled_}spin_count_var depending on presence and value of OMP_WAIT_POLICY and GOMP_SPINCOUNT env vars. Handle GOMP_BLOCKTIME env var. Handle OMP_WAIT_POLICY, OMP_MAX_ACTIVE_LEVELS, OMP_THREAD_LIMIT, OMP_STACKSIZE env vars. Handle unit specification for GOMP_STACKSIZE. Initialize gomp_remaining_threads_count and gomp_remaining_threads_lock if needed. Use gomp_global_icv. (gomp_nthreads_var, gomp_dyn_var, gomp_nest_var, gomp_run_sched_var, gomp_run_sched_chunk): Remove. (gomp_global_icv): New. (parse_schedule): Use it. Parse "auto". (omp_set_num_threads): Use gomp_icv. (omp_set_dynamic, omp_get_dynamic, omp_set_nested, omp_get_nested): Likewise. (omp_get_max_threads): Move from parallel.c. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels): New functions, add ialias. (parse_stacksize, parse_wait_policy): New functions. * fortran.c: Rewrite lock wrappers, if symbol versioning provide both wrappers for compatibility and new locks. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New ialias_redirect. (omp_set_schedule_, omp_set_schedule_8_, omp_get_schedule_, omp_get_schedule_8_, omp_get_thread_limit_, omp_set_max_active_levels_, omp_set_max_active_levels_8_, omp_get_max_active_levels_, omp_get_level_, omp_get_ancestor_thread_num_, omp_get_ancestor_thread_num_8_, omp_get_team_size_, omp_get_team_size_8_, omp_get_active_level_): New functions. * parallel.c: Include limits.h. (gomp_resolve_num_threads): Add count argument. Rewritten. (GOMP_parallel_start): Call gomp_new_team and pass that as last argument to gomp_team_start. Pass 0 as second argument to gomp_resolve_num_threads. (GOMP_parallel_end): Decrease gomp_remaining_threads_count if gomp_thread_limit_var != ULONG_MAX. (omp_in_parallel): Implement using ts.active_level. (omp_get_max_threads): Move to env.c. (omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New functions, add ialias. * sections.c (GOMP_sections_start): Call gomp_work_share_init_done after gomp_sections_init. If HAVE_SYNC_BUILTINS, call gomp_iter_dynamic_next instead of the _locked variant and don't take lock around it, otherwise acquire it before calling gomp_iter_dynamic_next_locked. (GOMP_sections_next): If HAVE_SYNC_BUILTINS, call gomp_iter_dynamic_next instead of the _locked variant and don't take lock around it. (GOMP_parallel_sections_start): Call gomp_new_team instead of gomp_new_work_share. Call gomp_sections_init on &team->work_shares[0]. Adjust gomp_team_start caller. Pass count as second argument to gomp_resolve_num_threads, don't adjust num_threads after the call. Use gomp_icv. * iter.c (gomp_iter_dynamic_next_locked): Don't multiply ws->chunk_size by incr. (gomp_iter_dynamic_next): Likewise. If ws->mode, use more efficient code. * libgomp_f.h.in (omp_lock_25_arg_t, omp_nest_lock_25_arg_t): New types. (omp_lock_25_arg, omp_nest_lock_25_arg): New macros. (omp_check_defines): Check even the compat defines. * config/linux/ptrlock.c: New file. * config/linux/ptrlock.h: New file. * config/linux/wait.h: New file. * config/posix/ptrlock.c: New file. * config/posix/ptrlock.h: New file. * config/linux/bar.h (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New prototypes. (gomp_team_barrier_set_task_pending, gomp_team_barrier_clear_task_pending, gomp_team_barrier_set_waiting_for_tasks, gomp_team_barrier_waiting_for_tasks, gomp_team_barrier_done): New inlines. (gomp_barrier_t): Rewritten. (gomp_barrier_state_t): New typedef. (gomp_barrier_init, gomp_barrier_reinit, gomp_barrier_destroy, gomp_barrier_wait_start): Rewritten. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_barrier_last_thread, gomp_barrier_wait_last): New static inlines. * config/linux/bar.c: Include wait.h instead of libgomp.h and futex.h. (gomp_barrier_wait_end): Rewritten. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake, gomp_barrier_wait_last): New functions. * config/posix/bar.h (gomp_barrier_t): Add generation field. (gomp_barrier_state_t): New typedef. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New prototypes. (gomp_barrier_wait_start): Or all but low 2 bits from generation into the return value. Return gomp_barrier_state_t. (gomp_team_barrier_set_task_pending, gomp_team_barrier_clear_task_pending, gomp_team_barrier_set_waiting_for_tasks, gomp_team_barrier_waiting_for_tasks, gomp_team_barrier_done): New inlines. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_barrier_last_thread, gomp_barrier_wait_last): New static inlines. * config/posix/bar.c (gomp_barrier_init): Clear generation field. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New functions. * config/linux/mutex.c: Include wait.h instead of libgomp.h and futex.h. (gomp_futex_wake, gomp_futex_wait): New variables. (gomp_mutex_lock_slow): Call do_wait instead of futex_wait. * config/linux/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. Include wait.h instead of libgomp.h and futex.h. (gomp_set_nest_lock_25): Call do_wait instead of futex_wait. * config/posix95/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. * config/posix/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. * config/linux/proc.c (gomp_init_num_threads): Use gomp_global_icv. (get_num_procs, gomp_dynamic_max_threads): Use gomp_icv. * config/posix/proc.c, config/mingw32/proc.c: Similarly. * config/linux/powerpc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/alpha/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/x86/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/s390/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/ia64/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/sparc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/sem.c: Include wait.h instead of libgomp.h and futex.h. (gomp_sem_wait_slow): Call do_wait instead of futex_wait. * config/linux/affinity.c: Assume HAVE_SYNC_BUILTINS. * config/linux/omp-lock.h (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_nest_lock_t): Change owner into void *, add lock field. * config/posix95/omp-lock.h: Include semaphore.h. (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_lock_t): Use sem_t instead of mutex if semaphores aren't broken. (omp_nest_lock_t): Likewise. Change owner to void *. * config/posix/omp-lock.h: Include semaphore.h. (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_lock_t): Use sem_t instead of mutex if semaphores aren't broken. (omp_nest_lock_t): Likewise. Add owner field. * testsuite/libgomp.c/collapse-1.c: New test. * testsuite/libgomp.c/collapse-2.c: New test. * testsuite/libgomp.c/collapse-3.c: New test. * testsuite/libgomp.c/icv-1.c: New test. * testsuite/libgomp.c/icv-2.c: New test. * testsuite/libgomp.c/lib-2.c: New test. * testsuite/libgomp.c/lock-1.c: New test. * testsuite/libgomp.c/lock-2.c: New test. * testsuite/libgomp.c/lock-3.c: New test. * testsuite/libgomp.c/loop-4.c: New test. * testsuite/libgomp.c/loop-5.c: New test. * testsuite/libgomp.c/loop-6.c: New test. * testsuite/libgomp.c/loop-7.c: New test. * testsuite/libgomp.c/loop-8.c: New test. * testsuite/libgomp.c/loop-9.c: New test. * testsuite/libgomp.c/nested-3.c: New test. * testsuite/libgomp.c/nestedfn-6.c: New test. * testsuite/libgomp.c/sort-1.c: New test. * testsuite/libgomp.c/task-1.c: New test. * testsuite/libgomp.c/task-2.c: New test. * testsuite/libgomp.c/task-3.c: New test. * testsuite/libgomp.c/task-4.c: New test. * testsuite/libgomp.c++/c++.exp: Add libstdc++-v3 build includes to C++ testsuite default compiler options. * testsuite/libgomp.c++/collapse-1.C: New test. * testsuite/libgomp.c++/collapse-2.C: New test. * testsuite/libgomp.c++/ctor-10.C: New test. * testsuite/libgomp.c++/for-1.C: New test. * testsuite/libgomp.c++/for-2.C: New test. * testsuite/libgomp.c++/for-3.C: New test. * testsuite/libgomp.c++/for-4.C: New test. * testsuite/libgomp.c++/for-5.C: New test. * testsuite/libgomp.c++/loop-8.C: New test. * testsuite/libgomp.c++/loop-9.C: New test. * testsuite/libgomp.c++/loop-10.C: New test. * testsuite/libgomp.c++/task-1.C: New test. * testsuite/libgomp.c++/task-2.C: New test. * testsuite/libgomp.c++/task-3.C: New test. * testsuite/libgomp.c++/task-4.C: New test. * testsuite/libgomp.c++/task-5.C: New test. * testsuite/libgomp.c++/task-6.C: New test. * testsuite/libgomp.fortran/allocatable1.f90: New test. * testsuite/libgomp.fortran/allocatable2.f90: New test. * testsuite/libgomp.fortran/allocatable3.f90: New test. * testsuite/libgomp.fortran/allocatable4.f90: New test. * testsuite/libgomp.fortran/collapse1.f90: New test. * testsuite/libgomp.fortran/collapse2.f90: New test. * testsuite/libgomp.fortran/collapse3.f90: New test. * testsuite/libgomp.fortran/collapse4.f90: New test. * testsuite/libgomp.fortran/lastprivate1.f90: New test. * testsuite/libgomp.fortran/lastprivate2.f90: New test. * testsuite/libgomp.fortran/lib4.f90: New test. * testsuite/libgomp.fortran/lock-1.f90: New test. * testsuite/libgomp.fortran/lock-2.f90: New test. * testsuite/libgomp.fortran/nested1.f90: New test. * testsuite/libgomp.fortran/nestedfn4.f90: New test. * testsuite/libgomp.fortran/strassen.f90: New test. * testsuite/libgomp.fortran/tabs1.f90: New test. * testsuite/libgomp.fortran/tabs2.f: New test. * testsuite/libgomp.fortran/task1.f90: New test. * testsuite/libgomp.fortran/task2.f90: New test. * testsuite/libgomp.fortran/vla4.f90: Add dg-warning. * testsuite/libgomp.fortran/vla5.f90: Likewise. * testsuite/libgomp.c/pr26943-2.c: Likewise. * testsuite/libgomp.c/pr26943-3.c: Likewise. * testsuite/libgomp.c/pr26943-4.c: Likewise. Co-Authored-By: Jakob Blomer <jakob.blomer@ira.uka.de> Co-Authored-By: Richard Henderson <rth@redhat.com> Co-Authored-By: Ulrich Drepper <drepper@redhat.com> From-SVN: r136433
2008-06-06 15:01:54 +02:00
/* Copyright (C) 2005, 2007, 2008 Free Software Foundation, Inc.
[multiple changes] 2006-01-18 Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * libgomp: New directory. * Makefile.def: Add target_module libgomp. * Makefile.in: Regenerate. * configure.in (target_libraries): Add target-libgomp. * configure: Regenerate. contrib/ 2006-01-18 Richard Henderson <rth@redhat.com> Diego Novillo <dnovillo@redhat.com> * gcc_update (files_and_dependencies): Add libgomp files. gcc/ 2006-01-18 Richard Henderson <rth@redhat.com> Aldy Hernandez <aldyh@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * omp-low.c: New file. * c-omp.c: New file. 2006-01-18 Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * doc/invoke.texi: Document -fopenmp. * tree-dump.h (debug_function): Declare. * hooks.c (hook_bool_tree_bool_false): New function. (hook_tree_tree_null): Remove. (hook_tree_tree_tree_null): New. * hooks.h: Update to match. * tree-pretty-print.c (debug_tree_chain): New. (print_generic_expr): Handle TDF_CHAIN. (dump_generic_node): Handle BLOCK. Do not abort with incomplete SWITCH_EXPRs. Do not dump body of an OpenMP directive if TDF_SLIM is given. <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't print space after directive name. <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY. Handle OMP_MASTER and OMP_ORDERED. Handle printing of OMP_BODY just in one place, goto dump_omp_body in the rest of OMP_* nodes that have OMP_BODY. Don't handle clause nodes here. Update omp statements to use dump_omp_clauses. Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION, OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC, OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF, GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED, GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE, GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE. Adjust output for GOMP_PARALLEL. (dump_omp_clauses): New. (print_declaration): Dump DECL_VALUE_EXPR. (op_symbol_1): Split out of op_symbol. (dumping_stmts): Remove. Update all users. * cgraph.c (cgraph_analyze_queue): New. (cgraph_add_new_function): New. * cgraph.h (cgraph_analyze_queue): Declare. (cgraph_add_new_function): Declare. (cgraph_lower_function): Remove. * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_* nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS and TYPE_P nodes in its default clause. (empty_body_p): New. (tree_range_check_failed): New. (build5_stat): New. * tree.h (OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE, OMP_CLAUSE_REDUCTION_PLACEHOLDER, OMP_CLAUSE_PRIVATE_DEBUG, OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY, OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY, OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND, OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL, OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR, OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT, OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT, OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC, OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST, OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY, OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY, OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New. (TREE_RANGE_CHECK): New. (empty_body_p): Declare. (enum omp_clause_default_kind): New. (build_string_literal): Declare. (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New. (build5_stat, build5): Declare. * tree-pass.h (TDF_CHAIN): Define. * tree-pass.h (PROP_gimple_lomp): Define. (pass_lower_omp): Declare. * diagnostic.h (debug_tree_chain): Declare. * builtins.c (get_builtin_sync_mode): Use 0 as last argument to mode_for_size. (expand_builtin): Handle sync BUILT_IN_*_16 builtins. * builtins.c (build_string_literal): Make extern. * gcc.c (include_spec_function): New. (static_spec_functions): Add it. (main): Move load of libgomp.spec ... (LINK_COMMAND_SPEC): ... here. (link_gomp_spec): New. (static_specs): Include it. (LINK_COMMAND_SPEC): Add link_gomp. (GOMP_SELF_SPECS): New. (driver_self_specs): Include it. (switch_matches): Don't mark inline. (main): Load libgomp.spec. * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION, and OMP_SINGLE, OMP_FOR and OMP_PARALLEL. * tree-gimple.h (enum omp_parallel): Declare. (determine_parallel_type): Declare. (omp_firstprivatize_variable): Declare. (omp_reduction_init): Declare. (diagnose_omp_structured_block_errors): Declare. (struct walk_stmt_info): Add want_return_expr. (struct walk_stmt_info): Add want_bind_expr, want_locations. (find_omp_clause): Declare. (insert_field_into_struct): Declare. (struct walk_stmt_info): Move from tree-nested.c (walk_stmts): Declare. * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP to 200505. * cgraphunit.c (cgraph_lower_function): Make static. (cgraph_finalize_pending_functions): New. (cgraph_finalize_function): Call it. (cgraph_finalize_compilation_unit): Likewise. * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16, BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add. (BT_FN_UINT_UINT): New. (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7, DEF_FUNCTION_TYPE_VAR_4): Document. (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT, BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR, BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT, BT_FN_VOID_OMPFN_PTR_UINT_UINT, BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR, BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New. * builtins.def: Update DEF_BUILTIN comment to include COND argument. Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins into separate files. (DEF_GOMP_BUILTIN): New. (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER, BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END, BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END, BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START, BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START, BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START, BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START, BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START, BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT, 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_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT, BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END, BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END, BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT, BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END, BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START, BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New. * sync-builtins.def: New file, moved from builtins.def. * omp-builtins.def: New file, moved from builtins.def. * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine. * gimple-low.c (lower_function_body): Clear data. (lower_stmt): Do not handle COMPOUND_EXPR. Remove call to print_node_brief. * c-tree.h (c_finish_omp_clauses): New prototype. (C_DECL_THREADPRIVATE_P): Define. (lookup_name_no_remap, c_omp_remap_private): Remove (c_begin_omp_parallel, c_finish_omp_parallel): Update. (check_for_loop_decls): Update decl. (lookup_name_no_remap, c_omp_remap_private): Declare. (build_indirect_ref, build_modify_expr, pushdecl, pushdecl_top_level): Move to c-common.h. * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp before the switch, but just in the 2 places that need it. * c-decl.c (diagnose_mismatched_decls): Do not check for mismatched thread-local attributes when OLDDECL is marked threadprivate and NEWDECL has no thread-local attributes. (merge_decls): Merge C_DECL_THREADPRIVATE_P. (c_gimple_diagnostics_recursively): Rename from c_warn_unused_result_recursively. Invoke diagnose_omp_structured_block_errors. (check_for_loop_decls): Return a singular decl found. * langhooks.c (lhd_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls. (lhd_omp_firstprivatize_type_sizes): New. (lhd_omp_assignment): New. (lhd_omp_predetermined_sharing): New. * langhooks.h (struct gimplify_omp_ctx): Forward declare. (struct lang_hooks_for_types): Add omp_firstprivatize_type_sizes, omp_privatize_by_reference, omp_predetermined_sharing, omp_disregard_value_expr, omp_private_debug_clause, omp_clause_default_ctor, omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor. (c_finish_omp_clauses): New. (c_finish_bc_stmt): Diagnose break within omp for. (c_begin_omp_parallel, c_finish_omp_parallel): New. (build_unary_op): Return error_mark after reporting a readonly_error. (build_modify_expr): Likewise. * gimplify.c: Include optabs.h and pointer-set.h. (enum gimplify_omp_var_data): Declare. (struct gimplify_omp_ctx): Declare. (struct gimplify_ctx): Add fields prev_context, combined_pre_p and combined_ctxp. (gimplify_ctxp, gimplify_omp_ctxp): New local variables. (push_gimplify_context, pop_gimplify_context): Allow nesting. (splay_tree_compare_decl_uid): New. (new_omp_context): New. (delete_omp_context): New. (gimple_add_tmp_var): Call omp_add_variable. (gimplify_bind_expr): Likewise. (gimplify_var_or_parm_decl): If omp_notice_variable returned true, disregard DECL_VALUE_EXPR on the decl if any. (gimplify_expr_in_ctx): New. (omp_firstprivatize_variable, omp_firstprivatize_type_sizes omp_add_variable, omp_notice_variable, omp_is_private gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1 gimplify_adjust_omp_clauses, gimplify_omp_parallel gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p gimplify_omp_atomic_fetch_op, goa_stabilize_expr gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex gimplify_omp_atomic): New. (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS, OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL and OMP_ATOMIC. (gimplify_body): Verify gimplify_ctxp is empty after gimplification. * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER, PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR, PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED, PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR, PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION, PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE, PRAGMA_OMP_THREADPRIVATE. * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS, OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define. * print-tree.c (print_node): Dump DECL_VALUE_EXPR. * tree-ssa-dce.c (find_control_dependence): Do not assume that ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR). * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for OpenMP directives. (struct nesting_info): Add field_map, suppress_expansion, debug_var_chain. (create_nesting_tree): Initialize them. (lookup_field_for_decl): Use field_map. (get_nonlocal_debug_decl, get_local_debug_decl): New. (convert_local_omp_clauses): New. (finalize_nesting_tree_1): Add debug_var_chain to toplevel block. (walk_body): Split out of walk_function. (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New. (convert_nonlocal_reference): Handle omp statements. (convert_local_reference): Likewise. (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1. (unnest_nesting_tree): New. (lower_nested_functions): Call it. (insert_field_into_struct): Make extern. (struct walk_stmt_info): Move to tree-gimple.h. (walk_stmts): Make extern. * omp-builtins.def: New file. * tree-iterator.c (expr_only): Clarify comment. * c-common.h (pushdecl_top_level, pushdecl, build_modify_expr, build_indirect_ref, c_finish_omp_master, c_finish_omp_critical, c_finish_omp_ordered, c_finish_omp_barrier, c_finish_omp_atomic, c_finish_omp_flush, c_finish_omp_for, c_split_parallel_clauses, omp_clause_default_kind, c_omp_sharing_predetermined, c_omp_remap_decl): Declare. * Makefile.in (BUILTINS_DEF): Add omp-builtins.def. (OBJS-common): Add omp-low.o. (c-omp.o, omp-low.o): Add. (gimplify.o): Add dependency on $(OPTABS_H). (GTFILES): Add omp-low.c. (gt-stringpool.h): Add. * tree-cfg.c (set_bb_for_stmt): Do not update the block-to-labels map if we are currently expanding to RTL. (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P checks. Handle IDENTIFIER_NODE. (tree_verify_flow_info): Do not ICE when emitting error messages about invalid labels. (dump_function_to_file): Reset CFUN before emitting the body of the function. (debug_function): New. * passes.c (init_optimization_passes): Schedule pass_lower_omp. * langhooks-def.h (lhd_omp_predetermined_sharing, lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes): Declare. (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define. (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it. (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE, LANG_HOOKS_OMP_PREDETERMINED_SHARING, LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR, LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE, LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR, LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, LANG_HOOKS_OMP_CLAUSE_DTOR): Define. (LANG_HOOK_DECLS): Use them. 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com> Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * c-parser.c (pragma_omp_clause): Define. (c_parser_declaration_or_fndef): Document OpenMP syntax. (c_parser_compound_statement): Likewise. (c_parser_statement): Likewise. (c_parser_pragma): Handle omp pragmas. (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK, OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define. (c_parser_omp_clause_name, check_no_duplicate_clause, c_parser_omp_variable_list, c_parser_omp_var_list_parens, c_parser_omp_clause_copyin, c_parser_omp_clause_copyprivate, c_parser_omp_clause_default, c_parser_omp_clause_firstprivate, c_parser_omp_clause_if, c_parser_omp_clause_lastprivate, c_parser_omp_clause_nowait, c_parser_omp_clause_num_threads, c_parser_omp_clause_ordered, c_parser_omp_clause_private, c_parser_omp_clause_reduction, c_parser_omp_clause_schedule, c_parser_omp_clause_shared, c_parser_omp_all_clauses, c_parser_omp_structured_block, c_parser_omp_atomic, c_parser_omp_barrier, c_parser_omp_critical, c_parser_omp_flush, c_parser_omp_for_loop, c_parser_omp_for, c_parser_omp_master, c_parser_omp_ordered, c_parser_omp_sections_scope, c_parser_omp_sections, c_parser_omp_parallel, c_parser_omp_single, c_parser_omp_construct, c_parser_omp_threadprivate): New. * c-pragma.c (init_pragma): Do omp pragma registration here. * c.opt (fopenmp): New flag. 2006-01-18 Eric Christopher <echristo@apple.com> * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif. * config/darwin.h (GOMP_SELF_SPECS): Define. testsuite/ 2006-01-18 Richard Henderson <rth@redhat.com> Aldy Hernandez <aldyh@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> Uros Bizjak <uros@kss-loka.si> * testsuite/gcc.dg/gomp: New directory. From-SVN: r109902
2006-01-18 20:21:25 +01:00
Contributed by Richard Henderson <rth@redhat.com>.
This file is part of the GNU OpenMP Library (libgomp).
Libgomp is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
Libgomp is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
more details.
You should have received a copy of the GNU Lesser General Public License
along with libgomp; see the file COPYING.LIB. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA. */
/* As a special exception, if you link this library with other files, some
of which are compiled with GCC, to produce an executable, this library
does not by itself cause the resulting executable to be covered by the
GNU General Public License. This exception does not however invalidate
any other reasons why the executable file might be covered by the GNU
General Public License. */
/* This file handles the (bare) PARALLEL construct. */
#include "libgomp.h"
c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805. * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805. * langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause. Add omp_private_outer_ref hook, add another argument to omp_clause_default_ctor hook. * langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define. (LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define. (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to hook_tree_tree_tree_tree_null. (LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and LANG_HOOKS_OMP_PRIVATE_OUTER_REF. * hooks.c (hook_tree_tree_tree_tree_null): New function. * hooks.h (hook_tree_tree_tree_tree_null): New prototype. * tree.def (OMP_TASK): New tree code. * tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN, OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT, OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES, OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY, OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG, OMP_CLAUSE_COLLAPSE_EXPR): Define. (enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. (OMP_DIRECTIVE_P): Add OMP_TASK. (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes. (OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind. * tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED entries. (omp_clause_num_ops): Likewise. Increase OMP_CLAUSE_LASTPRIVATE num_ops to 2. (walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Walk OMP_CLAUSE_LASTPRIVATE_STMT. * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. (dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops. * c-omp.c (c_finish_omp_for): Allow pointer iterators. Remove warning about unsigned iterators. Change decl/init/cond/incr arguments to TREE_VECs, check arguments for all collapsed loops. (c_finish_omp_taskwait): New function. (c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to ws_clauses. * c-parser.c (c_parser_omp_for_loop): Parse collapsed loops. Call default_function_array_conversion on init. Add par_clauses argument. If decl is present in parallel's lastprivate clause, change it to shared and add lastprivate clause for decl to OMP_FOR_CLAUSES. Add clauses argument, on success set OMP_FOR_CLAUSES to it. Look up collapse count in clauses. (c_parser_omp_for, c_parser_omp_parallel): Adjust c_parser_omp_for_loop callers. (OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE. (c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT. (c_parser_omp_clause_name): Handle collapse and untied clauses. (c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New functions. (c_parser_omp_clause_schedule): Handle schedule(auto). Include correct location in the error message. (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE and PRAGMA_OMP_CLAUSE_UNTIED. (OMP_TASK_CLAUSE_MASK): Define. (c_parser_omp_task, c_parser_omp_taskwait): New functions. (c_parser_omp_construct): Handle PRAGMA_OMP_TASK. * tree-nested.c (convert_nonlocal_omp_clauses, convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE, OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in OMP_CLAUSE_DECL. (conver_nonlocal_reference, convert_local_reference, convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL. Use OMP_TASKREG_* macros rather than OMP_PARALLEL_*. (walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes. * tree-gimple.c (is_gimple_stmt): Handle OMP_TASK. * c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes. * c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New. (PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New. * c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions. (c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. * c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas. * c-common.h (c_finish_omp_taskwait): New prototype. * gimple-low.c (lower_stmt): Handle OMP_TASK. * tree-parloops.c (create_parallel_loop): Create 1 entry vectors for OMP_FOR_{INIT,COND,INCR}. * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers. (make_edges): Handle OMP_TASK. * tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. * tree-inline.c (estimate_num_insns_1): Handle OMP_TASK. * builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR, BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New. * omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT, BUILT_IN_GOMP_LOOP_ULL_STATIC_START, BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ULL_GUIDED_START, BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins. * gimplify.c (gimplify_omp_for): Allow pointer type for decl, handle POINTER_PLUS_EXPR. If loop counter has been replaced and original iterator is present in lastprivate clause or if collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT. Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. (gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK. (enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF. (omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed, if it is set, lookup var in outer contexts too. Handle OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. Handle vars that are supposed to be implicitly determined firstprivate for task regions. (gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed, if it is set, lookup var in outer contexts too. Set OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set. Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Take region_type as last argument instead of in_parallel and in_combined_parallel. (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare): Adjust callers. (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set. Call omp_finish_clause langhook. (new_omp_context): Set default_kind to OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions. (omp_region_type): New enum. (struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel fields, add region_type. (new_omp_context): Take region_type as argument instead of is_parallel and is_combined_parallel. (gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable, omp_is_private, omp_check_private): Adjust ctx->is_parallel and ctx->is_combined_parallel checks. (gimplify_omp_task): New function. (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. * omp-low.c (extract_omp_for_data): Use schedule(static) for schedule(auto). Handle pointer and unsigned iterators. Compute fd->iter_type. Handle POINTER_PLUS_EXPR increments. Add loops argument. Extract data for collapsed OMP_FOR loops. (expand_parallel_call): Assert sched_kind isn't auto, map runtime schedule to index 3. (struct omp_for_data_loop): New type. (struct omp_for_data): Remove v, n1, n2, step, cond_code fields. Add loop, loops, collapse and iter_type fields. (workshare_safe_to_combine_p): Disallow combined for if iter_type is unsigned long long. Don't combine collapse > 1 loops unless all bounds and steps are constant. Adjust extract_omp_for_data caller. (expand_omp_for_generic): Handle pointer, unsigned and long long iterators. Handle collapsed OMP_FOR loops. Adjust for struct omp_for_data changes. If libgomp function doesn't return boolean_type_node, add comparison of the return value with 0. (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle pointer, unsigned and long long iterators. Adjust for struct omp_for_data changes. (expand_omp_for): Assert sched_kind isn't auto, map runtime schedule to index 3. Use GOMP_loop_ull*{start,next} if iter_type is unsigned long long. Allocate loops array, pass it to extract_omp_for_data. For collapse > 1 loops use always expand_omp_for_generic. (omp_context): Add sfield_map and srecord_type fields. (is_task_ctx, lookup_sfield): New functions. (use_pointer_for_field): Use is_task_ctx helper. Change first argument's type from const_tree to tree. Clarify comment. In OMP_TASK disallow copy-in/out sharing. (build_sender_ref): Call lookup_sfield instead of lookup_field. (install_var_field): Add mask argument. Populate both record_type and srecord_type if needed. (delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN in srecord_type. (fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT} and DECL_FIELD_OFFSET. (scan_sharing_clauses): Adjust install_var_field callers. For firstprivate clauses on explicit tasks allocate the var by value in record_type unconditionally, rather than by reference. Handle OMP_CLAUSE_PRIVATE_OUTER_REF. Scan OMP_CLAUSE_LASTPRIVATE_STMT. Use is_taskreg_ctx instead of is_parallel_ctx. Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. (create_omp_child_function_name): Add task_copy argument, use *_omp_cpyfn* names if it is true. (create_omp_child_function): Add task_copy argument, if true create *_omp_cpyfn* helper function. (scan_omp_parallel): Adjust create_omp_child_function callers. Rename parallel_nesting_level to taskreg_nesting_level. (scan_omp_task): New function. (lower_rec_input_clauses): Don't run constructors for firstprivate explicit task vars which are initialized by *_omp_cpyfn*. Pass outer var ref to omp_clause_default_ctor hook if OMP_CLAUSE_PRIVATE_OUTER_REF or OMP_CLAUSE_LASTPRIVATE. Replace OMP_CLAUSE_REDUCTION_PLACEHOLDER decls in OMP_CLAUSE_REDUCTION_INIT. (lower_send_clauses): Clear DECL_ABSTRACT_ORIGIN if in task to avoid duplicate setting of fields. Handle OMP_CLAUSE_PRIVATE_OUTER_REF. (lower_send_shared_vars): Use srecord_type if non-NULL. Don't copy-out if TREE_READONLY, only copy-in. (expand_task_copyfn): New function. (expand_task_call): New function. (struct omp_taskcopy_context): New type. (task_copyfn_copy_decl, task_copyfn_remap_type, create_task_copyfn): New functions. (lower_omp_parallel): Rename to... (lower_omp_taskreg): ... this. Use OMP_TASKREG_* macros where needed. Call create_task_copyfn if srecord_type is needed. Adjust sender_decl type. (task_shared_vars): New variable. (check_omp_nesting_restrictions): Warn if work-sharing, barrier, master or ordered region is closely nested inside OMP_TASK. Add warnings for barrier if closely nested inside of work-sharing, ordered, or master region. (scan_omp_1): Call check_omp_nesting_restrictions even for GOMP_barrier calls. Rename parallel_nesting_level to taskreg_nesting_level. Handle OMP_TASK. (lower_lastprivate_clauses): Even if some lastprivate is found on a work-sharing construct, continue looking for them on parent parallel construct. (lower_omp_for_lastprivate): Add lastprivate clauses to the beginning of dlist rather than end. Adjust for struct omp_for_data changes. (lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY, not after it. Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller. (get_ws_args_for): Adjust extract_omp_for_data caller. (scan_omp_for): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. (lower_omp_single_simple): If libgomp function doesn't return boolean_type_node, add comparison of the return value with 0. (diagnose_sb_1, diagnose_sb_2): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. Handle OMP_TASK. (parallel_nesting_level): Rename to... (taskreg_nesting_level): ... this. (is_taskreg_ctx): New function. (build_outer_var_ref, omp_copy_decl): Use is_taskreg_ctx instead of is_parallel_ctx. (execute_lower_omp): Rename parallel_nesting_level to taskreg_nesting_level. (expand_omp_parallel): Rename to... (expand_omp_taskreg): ... this. Use OMP_TASKREG_* macros where needed. Call omp_task_call for OMP_TASK regions. (expand_omp): Adjust caller, handle OMP_TASK. (lower_omp_1): Adjust lower_omp_taskreg caller, handle OMP_TASK. * bitmap.c (bitmap_default_obstack_depth): New variable. (bitmap_obstack_initialize, bitmap_obstack_release): Do nothing if argument is NULL and bitmap_default_obstack is already initialized. * ipa-struct-reorg.c (do_reorg_1): Call bitmap_obstack_release at the end. * matrix-reorg.c (matrix_reorg): Likewise. cp/ * cp-tree.h (cxx_omp_finish_clause, cxx_omp_create_clause_info, dependent_omp_for_p, begin_omp_task, finish_omp_task, finish_omp_taskwait): New prototypes. (cxx_omp_clause_default_ctor): Add outer argument. (finish_omp_for): Add new clauses argument. * cp-gimplify.c (cxx_omp_finish_clause): New function. (cxx_omp_predetermined_sharing): Moved from semantics.c, rewritten. (cxx_omp_clause_default_ctor): Add outer argument. (cp_genericize_r): Walk OMP_CLAUSE_LASTPRIVATE_STMT. * cp-objcp-common.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define. * parser.c (cp_parser_omp_for_loop): Parse collapsed for loops. Add par_clauses argument. If decl is present in parallel's lastprivate clause, change that clause to shared and add a lastprivate clause for decl to OMP_FOR_CLAUSES. Fix wording of error messages. Adjust finish_omp_for caller. Add clauses argument. Parse loops with random access iterators. (cp_parser_omp_clause_collapse, cp_parser_omp_clause_untied): New functions. (cp_parser_omp_for, cp_parser_omp_parallel): Adjust cp_parser_omp_for_loop callers. (cp_parser_omp_for_cond, cp_parser_omp_for_incr): New helper functions. (cp_parser_omp_clause_name): Handle collapse and untied clauses. (cp_parser_omp_clause_schedule): Handle auto schedule. (cp_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE and PRAGMA_OMP_CLAUSE_UNTIED. (OMP_FOR_CLAUSE_MASK): Add PRAGMA_OMP_CLAUSE_COLLAPSE. (OMP_TASK_CLAUSE_MASK): Define. (cp_parser_omp_task, cp_parser_omp_taskwait): New functions. (cp_parser_omp_construct): Handle PRAGMA_OMP_TASK. (cp_parser_pragma): Handle PRAGMA_OMP_TASK and PRAGMA_OMP_TASKWAIT. * pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Handle OMP_CLAUSE_LASTPRIVATE_STMT. (tsubst_omp_for_iterator): New function. (dependent_omp_for_p): New function. (tsubst_expr) <case OMP_FOR>: Use it. Handle collapsed OMP_FOR loops. Adjust finish_omp_for caller. Handle loops with random access iterators. Adjust for OMP_FOR_{INIT,COND,INCR} changes. (tsubst_expr): Handle OMP_TASK. * semantics.c (cxx_omp_create_clause_info): New function. (finish_omp_clauses): Call it. Handle OMP_CLAUSE_UNTIED and OMP_CLAUSE_COLLAPSE. (cxx_omp_predetermined_sharing): Removed. * semantics.c (finish_omp_for): Allow pointer iterators. Use handle_omp_for_class_iterator and dependent_omp_for_p. Handle collapsed for loops. Adjust c_finish_omp_for caller. Add new clauses argument. Fix check for type dependent cond or incr. Set OMP_FOR_CLAUSES to clauses. Use cp_convert instead of fold_convert to convert incr amount to difference_type. Only fold if not in template. If decl is mentioned in lastprivate clause, set OMP_CLAUSE_LASTPRIVATE_STMT. Handle loops with random access iterators. Adjust for OMP_FOR_{INIT,COND,INCR} changes. (finish_omp_threadprivate): Allow static class members of the current class. (handle_omp_for_class_iterator, begin_omp_task, finish_omp_task, finish_omp_taskwait): New functions. * parser.c (cp_parser_binary_expression): Add prec argument. (cp_parser_assignment_expression): Adjust caller. * cp-tree.h (outer_curly_brace_block): New prototype. * decl.c (outer_curly_brace_block): No longer static. fortran/ * scanner.c (skip_free_comments, skip_fixed_comments): Handle tabs. * parse.c (next_free): Allow tab after !$omp. (decode_omp_directive): Handle !$omp task, !$omp taskwait and !$omp end task. (case_executable): Add ST_OMP_TASKWAIT. (case_exec_markers): Add ST_OMP_TASK. (gfc_ascii_statement): Handle ST_OMP_TASK, ST_OMP_END_TASK and ST_OMP_TASKWAIT. (parse_omp_structured_block, parse_executable): Handle ST_OMP_TASK. * gfortran.h (gfc_find_sym_in_expr): New prototype. (gfc_statement): Add ST_OMP_TASK, ST_OMP_END_TASK and ST_OMP_TASKWAIT. (gfc_omp_clauses): Add OMP_SCHED_AUTO to sched_kind, OMP_DEFAULT_FIRSTPRIVATE to default_sharing. Add collapse and untied fields. (gfc_exec_op): Add EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * f95-lang.c (LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, LANG_HOOKS_OMP_CLAUSE_DTOR, LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define. * trans.h (gfc_omp_clause_default_ctor): Add another argument. (gfc_omp_clause_copy_ctor, gfc_omp_clause_assign_op, gfc_omp_clause_dtor, gfc_omp_private_outer_ref): New prototypes. * types.def (BT_ULONGLONG, BT_PTR_ULONGLONG, BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_VOID_PTR_PTR, BT_PTR_FN_VOID_PTR_PTR, BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New. (BT_BOOL): Use integer type with BOOL_TYPE_SIZE rather than boolean_type_node. * dump-parse-tree.c (gfc_show_omp_node): Handle EXEC_OMP_TASK, EXEC_OMP_TASKWAIT, OMP_SCHED_AUTO, OMP_DEFAULT_FIRSTPRIVATE, untied and collapse clauses. (gfc_show_code_node): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * trans.c (gfc_trans_code): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * st.c (gfc_free_statement): Likewise. * resolve.c (gfc_resolve_blocks, resolve_code): Likewise. (find_sym_in_expr): Rename to... (gfc_find_sym_in_expr): ... this. No longer static. (resolve_allocate_expr, resolve_ordinary_assign): Adjust caller. * match.h (gfc_match_omp_task, gfc_match_omp_taskwait): New prototypes. * openmp.c (resolve_omp_clauses): Allow allocatable arrays in firstprivate, lastprivate, reduction, copyprivate and copyin clauses. (omp_current_do_code): Made static. (omp_current_do_collapse): New variable. (gfc_resolve_omp_do_blocks): Compute omp_current_do_collapse, clear omp_current_do_code and omp_current_do_collapse on return. (gfc_resolve_do_iterator): Handle collapsed do loops. (resolve_omp_do): Likewise, diagnose errorneous collapsed do loops. (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): Define. (gfc_match_omp_clauses): Handle default (firstprivate), schedule (auto), untied and collapse (n) clauses. (OMP_DO_CLAUSES): Add OMP_CLAUSE_COLLAPSE. (OMP_TASK_CLAUSES): Define. (gfc_match_omp_task, gfc_match_omp_taskwait): New functions. * trans-openmp.c (gfc_omp_private_outer_ref): New function. (gfc_omp_clause_default_ctor): Add outer argument. For allocatable arrays allocate them with the bounds of the outer var if outer var is allocated. (gfc_omp_clause_copy_ctor, gfc_omp_clause_assign_op, gfc_omp_clause_dtor): New functions. (gfc_trans_omp_array_reduction): If decl is allocatable array, allocate it with outer var's bounds in OMP_CLAUSE_REDUCTION_INIT and deallocate it in OMP_CLAUSE_REDUCTION_MERGE. (gfc_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED for assumed-size arrays. (gfc_trans_omp_do): Add par_clauses argument. If dovar is present in lastprivate clause and do loop isn't simple, set OMP_CLAUSE_LASTPRIVATE_STMT. If dovar is present in parallel's lastprivate clause, change it to shared and add lastprivate clause to OMP_FOR_CLAUSES. Handle collapsed do loops. (gfc_trans_omp_directive): Adjust gfc_trans_omp_do callers. (gfc_trans_omp_parallel_do): Likewise. Move collapse clause to OMP_FOR from OMP_PARALLEL. (gfc_trans_omp_clauses): Handle OMP_SCHED_AUTO, OMP_DEFAULT_FIRSTPRIVATE, untied and collapse clauses. (gfc_trans_omp_task, gfc_trans_omp_taskwait): New functions. (gfc_trans_omp_directive): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. gcc/testsuite/ * gcc.dg/gomp/collapse-1.c: New test. * gcc.dg/gomp/nesting-1.c: New test. * g++.dg/gomp/task-1.C: New test. * g++.dg/gomp/predetermined-1.C: New test. * g++.dg/gomp/tls-4.C: New test. * gfortran.dg/gomp/collapse1.f90: New test. * gfortran.dg/gomp/sharing-3.f90: New test. * gcc.dg/gomp/pr27499.c (foo): Remove is unsigned dg-warning. * g++.dg/gomp/pr27499.C (foo): Likewise. * g++.dg/gomp/for-16.C (foo): Likewise. * g++.dg/gomp/tls-3.C: Remove dg-error, add S::s definition. * g++.dg/gomp/pr34607.C: Adjust dg-error location. * g++.dg/gomp/for-16.C (foo): Add a new dg-error. * gcc.dg/gomp/appendix-a/a.35.4.c: Add dg-warning. * gcc.dg/gomp/appendix-a/a.35.6.c: Likewise. * gfortran.dg/gomp/appendix-a/a.35.4.f90: Likewise. * gfortran.dg/gomp/appendix-a/a.35.6.f90: Likewise. * gfortran.dg/gomp/omp_parse1.f90: Remove !$omp tab test. * gfortran.dg/gomp/appendix-a/a.33.4.f90: Remove dg-error about allocatable array. * gfortran.dg/gomp/reduction1.f90: Likewise. libgomp/ * configure.ac (LIBGOMP_GNU_SYMBOL_VERSIONING): New AC_DEFINE. Substitute also OMP_*LOCK_25*. * configure: Regenerated. * config.h.in: Regenerated. * Makefile.am (libgomp_la_SOURCES): Add loop_ull.c, iter_ull.c, ptrlock.c and task.c. * Makefile.in: Regenerated. * testsuite/Makefile.in: Regenerated. * task.c: New file. * loop_ull.c: New file. * iter_ull.c: New file. * libgomp.h: Include ptrlock.h. (enum gomp_task_kind): New type. (struct gomp_team): Add task_lock, task_queue, task_count, task_running_count, single_count fields. Add work_share_list_free_lock ifndef HAVE_SYNC_BUILTINS. Remove work_share_lock, generation_mask, oldest_live_gen, num_live_gen and init_work_shares fields, add work work_share_list_alloc, work_share_list_free and work_share_chunk fields. Change work_shares from pointer to pointers into an array. Change ordered_release field into gomp_sem_t ** from flexible array member. Add implicit_task and initial_work_shares fields. Move close to the end of the struct. (struct gomp_team_state): Add single_count, last_work_share, active_level and level fields, remove work_share_generation. (gomp_barrier_handle_tasks): New prototype. (gomp_finish_task): New inline function. (struct gomp_work_share): Move chunk_size, end, incr into transparent union/struct, add chunk_size_ull, end_ll, incr_ll and next_ll fields. Reshuffle fields. Add next_alloc, next_ws, next_free and inline_ordered_team_ids fields, change ordered_team_ids into pointer from flexible array member. Add mode field. Put lock and next into a different cache line from most of the write-once fields. (gomp_iter_ull_static_next, gomp_iter_ull_dynamic_next_locked, gomp_iter_ull_guided_next_locked, gomp_iter_ull_dynamic_next, gomp_iter_ull_guided_next): New prototypes. (gomp_new_icv): New prototype. (struct gomp_thread): Add thread_pool and task fields. (struct gomp_thread_pool): New type. (gomp_new_team): New prototype. (gomp_team_start): Change type of last argument. (gomp_new_work_share): Removed. (gomp_init_work_share, gomp_fini_work_share): New prototypes. (gomp_work_share_init_done): New static inline. (gomp_throttled_spin_count_var, gomp_available_cpus, gomp_managed_threads): New extern decls. (gomp_init_task): New prototype. (gomp_spin_count_var): New extern var decl. (LIBGOMP_GNU_SYMBOL_VERSIONING): Undef if no visibility or no alias support, or if not PIC. (gomp_init_lock_30, gomp_destroy_lock_30, gomp_set_lock_30, gomp_unset_lock_30, gomp_test_lock_30, gomp_init_nest_lock_30, gomp_destroy_nest_lock_30, gomp_set_nest_lock_30, gomp_unset_nest_lock_30, gomp_test_nest_lock_30, gomp_init_lock_25, gomp_destroy_lock_25, gomp_set_lock_25, gomp_unset_lock_25, gomp_test_lock_25, gomp_init_nest_lock_25, gomp_destroy_nest_lock_25, gomp_set_nest_lock_25, gomp_unset_nest_lock_25, gomp_test_nest_lock_25): New prototypes. (omp_lock_symver, strong_alias): Define. (gomp_remaining_threads_count, gomp_remaining_threads_lock): New decls. (gomp_end_task): New. (struct gomp_task_icv, gomp_global_icv): New. (gomp_thread_limit_var, gomp_max_active_levels_var): New. (struct gomp_task): New. (gomp_nthreads_var, gomp_dyn_var, gomp_nest_var, gomp_run_sched_var, gomp_run_sched_chunk): Remove. (gomp_icv): New. (gomp_schedule_type): Reorder enum to match omp_sched_t. * team.c (struct gomp_thread_start_data): Add thread_pool and task fields. (gomp_thread_start): Add gomp_team_barrier_wait call. For non-nested case remove clearing of docked thread thr fields. Use pool fields instead of global gomp_* variables. Use gomp_barrier_wait_last when needed. Initialize ts.active_level. Create tasks for each member thread. (free_team): Only destroy team barrier, task_lock here and free it. (gomp_free_thread): Free last_team if non-NULL. (gomp_team_end): Call gomp_team_barrier_wait instead of gomp_barrier_wait. For nested case call one extra gomp_barrier_wait. Move here some destruction from free_team. Call free_team on pool->last_team if any, rather than freeing current team. Destroy work_share_list_free_lock ifndef HAVE_SYNC_BUILTINS. (gomp_new_icv): New function. (gomp_threads, gomp_threads_size, gomp_threads_used, gomp_threads_dock): Removed. (gomp_thread_destructor): New variable. (gomp_new_thread_pool, gomp_free_pool_helper, gomp_free_thread): New functions. (gomp_team_start): Create new pool if current thread doesn't have one. Use pool fields instead of global gomp_* variables. Initialize thread_pool field for new threads. Clear single_count. Change last argument from ws to team, don't create new team, set ts.work_share to &team->work_shares[0] and clear ts.last_work_share. Don't clear ts.work_share_generation. If number of threads changed, adjust atomically gomp_managed_threads. Use gomp_init_task instead of gomp_new_task, set thr->task to the corresponding implicit_task array entry. Create tasks for each member thread. Initialize ts.level. (initialize_team): Call pthread_key_create on gomp_thread_destructor. (team_destructor): New function. (new_team): Removed. (gomp_new_team): New function. (free_team): Free gomp_work_share blocks chained through next_alloc, instead of freeing work_shares and destroying work_share_lock. (gomp_team_end): Call gomp_fini_work_share. If number of threads changed, adjust atomically gomp_managed_threads. Use gomp_end_task. * barrier.c (GOMP_barrier): Call gomp_team_barrier_wait instead of gomp_barrier_wait. * single.c (GOMP_single_copy_start): Call gomp_team_barrier_wait instead of gomp_barrier_wait. Call gomp_work_share_init_done if gomp_work_share_start returned true. Don't unlock ws->lock. (GOMP_single_copy_end): Call gomp_team_barrier_wait instead of gomp_barrier_wait. (GOMP_single_start): Rewritten if HAVE_SYNC_BUILTINS. Call gomp_work_share_init_done if gomp_work_share_start returned true. Don't unlock ws->lock. * work.c: Include stddef.h. (free_work_share): Use work_share_list_free_lock instead of atomic chaining ifndef HAVE_SYNC_BUILTINS. Add team argument. Call gomp_fini_work_share and then either free ws if orphaned, or put it into work_share_list_free list of the current team. (alloc_work_share, gomp_init_work_share, gomp_fini_work_share): New functions. (gomp_work_share_start, gomp_work_share_end, gomp_work_share_end_nowait): Rewritten. * omp_lib.f90.in Change some tabs to spaces to prevent warnings. (openmp_version): Set to 200805. (omp_sched_kind, omp_sched_static, omp_sched_dynamic, omp_sched_guided, omp_sched_auto): New parameters. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New interfaces. * omp_lib.h.in (openmp_version): Set to 200805. (omp_sched_kind, omp_sched_static, omp_sched_dynamic, omp_sched_guided, omp_sched_auto): New parameters. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New externals. * loop.c: Include limits.h. (GOMP_loop_runtime_next, GOMP_loop_ordered_runtime_next): Handle GFS_AUTO. (GOMP_loop_runtime_start, GOMP_loop_ordered_runtime_start): Likewise. Use gomp_icv. (gomp_loop_static_start, gomp_loop_dynamic_start): Clear ts.static_trip here. (gomp_loop_static_start, gomp_loop_ordered_static_start): Call gomp_work_share_init_done after gomp_loop_init. Don't unlock ws->lock. (gomp_loop_dynamic_start, gomp_loop_guided_start): Call gomp_work_share_init_done after gomp_loop_init. If HAVE_SYNC_BUILTINS, don't unlock ws->lock, otherwise lock it. (gomp_loop_ordered_dynamic_start, gomp_loop_ordered_guided_start): Call gomp_work_share_init_done after gomp_loop_init. Lock ws->lock. (gomp_parallel_loop_start): Call gomp_new_team instead of gomp_new_work_share. Call gomp_loop_init on &team->work_shares[0]. Adjust gomp_team_start caller. Pass 0 as second argument to gomp_resolve_num_threads. (gomp_loop_init): For GFS_DYNAMIC, multiply ws->chunk_size by incr. If adding ws->chunk_size nthreads + 1 times after end won't overflow, set ws->mode to 1. * libgomp_g.h (GOMP_loop_ull_static_start, GOMP_loop_ull_dynamic_start, GOMP_loop_ull_guided_start, GOMP_loop_ull_runtime_start, GOMP_loop_ull_ordered_static_start, GOMP_loop_ull_ordered_dynamic_start, GOMP_loop_ull_ordered_guided_start, GOMP_loop_ull_ordered_runtime_start, GOMP_loop_ull_static_next, GOMP_loop_ull_dynamic_next, GOMP_loop_ull_guided_next, GOMP_loop_ull_runtime_next, GOMP_loop_ull_ordered_static_next, GOMP_loop_ull_ordered_dynamic_next, GOMP_loop_ull_ordered_guided_next, GOMP_loop_ull_ordered_runtime_next, GOMP_task, GOMP_taskwait): New prototypes. * libgomp.map: Export lock routines also @@OMP_2.0. (GOMP_loop_ordered_dynamic_first, GOMP_loop_ordered_guided_first, GOMP_loop_ordered_runtime_first, GOMP_loop_ordered_static_first): Remove. (GOMP_loop_ull_dynamic_next, GOMP_loop_ull_dynamic_start, GOMP_loop_ull_guided_next, GOMP_loop_ull_guided_start, GOMP_loop_ull_ordered_dynamic_next, GOMP_loop_ull_ordered_dynamic_start, GOMP_loop_ull_ordered_guided_next, GOMP_loop_ull_ordered_guided_start, GOMP_loop_ull_ordered_runtime_next, GOMP_loop_ull_ordered_runtime_start, GOMP_loop_ull_ordered_static_next, GOMP_loop_ull_ordered_static_start, GOMP_loop_ull_runtime_next, GOMP_loop_ull_runtime_start, GOMP_loop_ull_static_next, GOMP_loop_ull_static_start, GOMP_task, GOMP_taskwait): Export @@GOMP_2.0. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level, omp_set_schedule_, omp_set_schedule_8_, omp_get_schedule_, omp_get_schedule_8_, omp_get_thread_limit_, omp_set_max_active_levels_, omp_set_max_active_levels_8_, omp_get_max_active_levels_, omp_get_level_, omp_get_ancestor_thread_num_, omp_get_ancestor_thread_num_8_, omp_get_team_size_, omp_get_team_size_8_, omp_get_active_level_): New exports @@OMP_3.0. * omp.h.in (omp_sched_t): New type. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New prototypes. * env.c (gomp_spin_count_var, gomp_throttled_spin_count_var, gomp_available_cpus, gomp_managed_threads, gomp_max_active_levels_var, gomp_thread_limit_var, gomp_remaining_threads_count, gomp_remaining_threads_lock): New variables. (parse_spincount): New function. (initialize_env): Call gomp_init_num_threads unconditionally. Initialize gomp_available_cpus. Call parse_spincount, initialize gomp_{,throttled_}spin_count_var depending on presence and value of OMP_WAIT_POLICY and GOMP_SPINCOUNT env vars. Handle GOMP_BLOCKTIME env var. Handle OMP_WAIT_POLICY, OMP_MAX_ACTIVE_LEVELS, OMP_THREAD_LIMIT, OMP_STACKSIZE env vars. Handle unit specification for GOMP_STACKSIZE. Initialize gomp_remaining_threads_count and gomp_remaining_threads_lock if needed. Use gomp_global_icv. (gomp_nthreads_var, gomp_dyn_var, gomp_nest_var, gomp_run_sched_var, gomp_run_sched_chunk): Remove. (gomp_global_icv): New. (parse_schedule): Use it. Parse "auto". (omp_set_num_threads): Use gomp_icv. (omp_set_dynamic, omp_get_dynamic, omp_set_nested, omp_get_nested): Likewise. (omp_get_max_threads): Move from parallel.c. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels): New functions, add ialias. (parse_stacksize, parse_wait_policy): New functions. * fortran.c: Rewrite lock wrappers, if symbol versioning provide both wrappers for compatibility and new locks. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New ialias_redirect. (omp_set_schedule_, omp_set_schedule_8_, omp_get_schedule_, omp_get_schedule_8_, omp_get_thread_limit_, omp_set_max_active_levels_, omp_set_max_active_levels_8_, omp_get_max_active_levels_, omp_get_level_, omp_get_ancestor_thread_num_, omp_get_ancestor_thread_num_8_, omp_get_team_size_, omp_get_team_size_8_, omp_get_active_level_): New functions. * parallel.c: Include limits.h. (gomp_resolve_num_threads): Add count argument. Rewritten. (GOMP_parallel_start): Call gomp_new_team and pass that as last argument to gomp_team_start. Pass 0 as second argument to gomp_resolve_num_threads. (GOMP_parallel_end): Decrease gomp_remaining_threads_count if gomp_thread_limit_var != ULONG_MAX. (omp_in_parallel): Implement using ts.active_level. (omp_get_max_threads): Move to env.c. (omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New functions, add ialias. * sections.c (GOMP_sections_start): Call gomp_work_share_init_done after gomp_sections_init. If HAVE_SYNC_BUILTINS, call gomp_iter_dynamic_next instead of the _locked variant and don't take lock around it, otherwise acquire it before calling gomp_iter_dynamic_next_locked. (GOMP_sections_next): If HAVE_SYNC_BUILTINS, call gomp_iter_dynamic_next instead of the _locked variant and don't take lock around it. (GOMP_parallel_sections_start): Call gomp_new_team instead of gomp_new_work_share. Call gomp_sections_init on &team->work_shares[0]. Adjust gomp_team_start caller. Pass count as second argument to gomp_resolve_num_threads, don't adjust num_threads after the call. Use gomp_icv. * iter.c (gomp_iter_dynamic_next_locked): Don't multiply ws->chunk_size by incr. (gomp_iter_dynamic_next): Likewise. If ws->mode, use more efficient code. * libgomp_f.h.in (omp_lock_25_arg_t, omp_nest_lock_25_arg_t): New types. (omp_lock_25_arg, omp_nest_lock_25_arg): New macros. (omp_check_defines): Check even the compat defines. * config/linux/ptrlock.c: New file. * config/linux/ptrlock.h: New file. * config/linux/wait.h: New file. * config/posix/ptrlock.c: New file. * config/posix/ptrlock.h: New file. * config/linux/bar.h (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New prototypes. (gomp_team_barrier_set_task_pending, gomp_team_barrier_clear_task_pending, gomp_team_barrier_set_waiting_for_tasks, gomp_team_barrier_waiting_for_tasks, gomp_team_barrier_done): New inlines. (gomp_barrier_t): Rewritten. (gomp_barrier_state_t): New typedef. (gomp_barrier_init, gomp_barrier_reinit, gomp_barrier_destroy, gomp_barrier_wait_start): Rewritten. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_barrier_last_thread, gomp_barrier_wait_last): New static inlines. * config/linux/bar.c: Include wait.h instead of libgomp.h and futex.h. (gomp_barrier_wait_end): Rewritten. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake, gomp_barrier_wait_last): New functions. * config/posix/bar.h (gomp_barrier_t): Add generation field. (gomp_barrier_state_t): New typedef. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New prototypes. (gomp_barrier_wait_start): Or all but low 2 bits from generation into the return value. Return gomp_barrier_state_t. (gomp_team_barrier_set_task_pending, gomp_team_barrier_clear_task_pending, gomp_team_barrier_set_waiting_for_tasks, gomp_team_barrier_waiting_for_tasks, gomp_team_barrier_done): New inlines. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_barrier_last_thread, gomp_barrier_wait_last): New static inlines. * config/posix/bar.c (gomp_barrier_init): Clear generation field. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New functions. * config/linux/mutex.c: Include wait.h instead of libgomp.h and futex.h. (gomp_futex_wake, gomp_futex_wait): New variables. (gomp_mutex_lock_slow): Call do_wait instead of futex_wait. * config/linux/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. Include wait.h instead of libgomp.h and futex.h. (gomp_set_nest_lock_25): Call do_wait instead of futex_wait. * config/posix95/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. * config/posix/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. * config/linux/proc.c (gomp_init_num_threads): Use gomp_global_icv. (get_num_procs, gomp_dynamic_max_threads): Use gomp_icv. * config/posix/proc.c, config/mingw32/proc.c: Similarly. * config/linux/powerpc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/alpha/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/x86/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/s390/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/ia64/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/sparc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/sem.c: Include wait.h instead of libgomp.h and futex.h. (gomp_sem_wait_slow): Call do_wait instead of futex_wait. * config/linux/affinity.c: Assume HAVE_SYNC_BUILTINS. * config/linux/omp-lock.h (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_nest_lock_t): Change owner into void *, add lock field. * config/posix95/omp-lock.h: Include semaphore.h. (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_lock_t): Use sem_t instead of mutex if semaphores aren't broken. (omp_nest_lock_t): Likewise. Change owner to void *. * config/posix/omp-lock.h: Include semaphore.h. (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_lock_t): Use sem_t instead of mutex if semaphores aren't broken. (omp_nest_lock_t): Likewise. Add owner field. * testsuite/libgomp.c/collapse-1.c: New test. * testsuite/libgomp.c/collapse-2.c: New test. * testsuite/libgomp.c/collapse-3.c: New test. * testsuite/libgomp.c/icv-1.c: New test. * testsuite/libgomp.c/icv-2.c: New test. * testsuite/libgomp.c/lib-2.c: New test. * testsuite/libgomp.c/lock-1.c: New test. * testsuite/libgomp.c/lock-2.c: New test. * testsuite/libgomp.c/lock-3.c: New test. * testsuite/libgomp.c/loop-4.c: New test. * testsuite/libgomp.c/loop-5.c: New test. * testsuite/libgomp.c/loop-6.c: New test. * testsuite/libgomp.c/loop-7.c: New test. * testsuite/libgomp.c/loop-8.c: New test. * testsuite/libgomp.c/loop-9.c: New test. * testsuite/libgomp.c/nested-3.c: New test. * testsuite/libgomp.c/nestedfn-6.c: New test. * testsuite/libgomp.c/sort-1.c: New test. * testsuite/libgomp.c/task-1.c: New test. * testsuite/libgomp.c/task-2.c: New test. * testsuite/libgomp.c/task-3.c: New test. * testsuite/libgomp.c/task-4.c: New test. * testsuite/libgomp.c++/c++.exp: Add libstdc++-v3 build includes to C++ testsuite default compiler options. * testsuite/libgomp.c++/collapse-1.C: New test. * testsuite/libgomp.c++/collapse-2.C: New test. * testsuite/libgomp.c++/ctor-10.C: New test. * testsuite/libgomp.c++/for-1.C: New test. * testsuite/libgomp.c++/for-2.C: New test. * testsuite/libgomp.c++/for-3.C: New test. * testsuite/libgomp.c++/for-4.C: New test. * testsuite/libgomp.c++/for-5.C: New test. * testsuite/libgomp.c++/loop-8.C: New test. * testsuite/libgomp.c++/loop-9.C: New test. * testsuite/libgomp.c++/loop-10.C: New test. * testsuite/libgomp.c++/task-1.C: New test. * testsuite/libgomp.c++/task-2.C: New test. * testsuite/libgomp.c++/task-3.C: New test. * testsuite/libgomp.c++/task-4.C: New test. * testsuite/libgomp.c++/task-5.C: New test. * testsuite/libgomp.c++/task-6.C: New test. * testsuite/libgomp.fortran/allocatable1.f90: New test. * testsuite/libgomp.fortran/allocatable2.f90: New test. * testsuite/libgomp.fortran/allocatable3.f90: New test. * testsuite/libgomp.fortran/allocatable4.f90: New test. * testsuite/libgomp.fortran/collapse1.f90: New test. * testsuite/libgomp.fortran/collapse2.f90: New test. * testsuite/libgomp.fortran/collapse3.f90: New test. * testsuite/libgomp.fortran/collapse4.f90: New test. * testsuite/libgomp.fortran/lastprivate1.f90: New test. * testsuite/libgomp.fortran/lastprivate2.f90: New test. * testsuite/libgomp.fortran/lib4.f90: New test. * testsuite/libgomp.fortran/lock-1.f90: New test. * testsuite/libgomp.fortran/lock-2.f90: New test. * testsuite/libgomp.fortran/nested1.f90: New test. * testsuite/libgomp.fortran/nestedfn4.f90: New test. * testsuite/libgomp.fortran/strassen.f90: New test. * testsuite/libgomp.fortran/tabs1.f90: New test. * testsuite/libgomp.fortran/tabs2.f: New test. * testsuite/libgomp.fortran/task1.f90: New test. * testsuite/libgomp.fortran/task2.f90: New test. * testsuite/libgomp.fortran/vla4.f90: Add dg-warning. * testsuite/libgomp.fortran/vla5.f90: Likewise. * testsuite/libgomp.c/pr26943-2.c: Likewise. * testsuite/libgomp.c/pr26943-3.c: Likewise. * testsuite/libgomp.c/pr26943-4.c: Likewise. Co-Authored-By: Jakob Blomer <jakob.blomer@ira.uka.de> Co-Authored-By: Richard Henderson <rth@redhat.com> Co-Authored-By: Ulrich Drepper <drepper@redhat.com> From-SVN: r136433
2008-06-06 15:01:54 +02:00
#include <limits.h>
[multiple changes] 2006-01-18 Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * libgomp: New directory. * Makefile.def: Add target_module libgomp. * Makefile.in: Regenerate. * configure.in (target_libraries): Add target-libgomp. * configure: Regenerate. contrib/ 2006-01-18 Richard Henderson <rth@redhat.com> Diego Novillo <dnovillo@redhat.com> * gcc_update (files_and_dependencies): Add libgomp files. gcc/ 2006-01-18 Richard Henderson <rth@redhat.com> Aldy Hernandez <aldyh@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * omp-low.c: New file. * c-omp.c: New file. 2006-01-18 Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * doc/invoke.texi: Document -fopenmp. * tree-dump.h (debug_function): Declare. * hooks.c (hook_bool_tree_bool_false): New function. (hook_tree_tree_null): Remove. (hook_tree_tree_tree_null): New. * hooks.h: Update to match. * tree-pretty-print.c (debug_tree_chain): New. (print_generic_expr): Handle TDF_CHAIN. (dump_generic_node): Handle BLOCK. Do not abort with incomplete SWITCH_EXPRs. Do not dump body of an OpenMP directive if TDF_SLIM is given. <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't print space after directive name. <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY. Handle OMP_MASTER and OMP_ORDERED. Handle printing of OMP_BODY just in one place, goto dump_omp_body in the rest of OMP_* nodes that have OMP_BODY. Don't handle clause nodes here. Update omp statements to use dump_omp_clauses. Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION, OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC, OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF, GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED, GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE, GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE. Adjust output for GOMP_PARALLEL. (dump_omp_clauses): New. (print_declaration): Dump DECL_VALUE_EXPR. (op_symbol_1): Split out of op_symbol. (dumping_stmts): Remove. Update all users. * cgraph.c (cgraph_analyze_queue): New. (cgraph_add_new_function): New. * cgraph.h (cgraph_analyze_queue): Declare. (cgraph_add_new_function): Declare. (cgraph_lower_function): Remove. * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_* nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS and TYPE_P nodes in its default clause. (empty_body_p): New. (tree_range_check_failed): New. (build5_stat): New. * tree.h (OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE, OMP_CLAUSE_REDUCTION_PLACEHOLDER, OMP_CLAUSE_PRIVATE_DEBUG, OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY, OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY, OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND, OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL, OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR, OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT, OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT, OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC, OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST, OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY, OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY, OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New. (TREE_RANGE_CHECK): New. (empty_body_p): Declare. (enum omp_clause_default_kind): New. (build_string_literal): Declare. (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New. (build5_stat, build5): Declare. * tree-pass.h (TDF_CHAIN): Define. * tree-pass.h (PROP_gimple_lomp): Define. (pass_lower_omp): Declare. * diagnostic.h (debug_tree_chain): Declare. * builtins.c (get_builtin_sync_mode): Use 0 as last argument to mode_for_size. (expand_builtin): Handle sync BUILT_IN_*_16 builtins. * builtins.c (build_string_literal): Make extern. * gcc.c (include_spec_function): New. (static_spec_functions): Add it. (main): Move load of libgomp.spec ... (LINK_COMMAND_SPEC): ... here. (link_gomp_spec): New. (static_specs): Include it. (LINK_COMMAND_SPEC): Add link_gomp. (GOMP_SELF_SPECS): New. (driver_self_specs): Include it. (switch_matches): Don't mark inline. (main): Load libgomp.spec. * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION, and OMP_SINGLE, OMP_FOR and OMP_PARALLEL. * tree-gimple.h (enum omp_parallel): Declare. (determine_parallel_type): Declare. (omp_firstprivatize_variable): Declare. (omp_reduction_init): Declare. (diagnose_omp_structured_block_errors): Declare. (struct walk_stmt_info): Add want_return_expr. (struct walk_stmt_info): Add want_bind_expr, want_locations. (find_omp_clause): Declare. (insert_field_into_struct): Declare. (struct walk_stmt_info): Move from tree-nested.c (walk_stmts): Declare. * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP to 200505. * cgraphunit.c (cgraph_lower_function): Make static. (cgraph_finalize_pending_functions): New. (cgraph_finalize_function): Call it. (cgraph_finalize_compilation_unit): Likewise. * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16, BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add. (BT_FN_UINT_UINT): New. (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7, DEF_FUNCTION_TYPE_VAR_4): Document. (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT, BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR, BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT, BT_FN_VOID_OMPFN_PTR_UINT_UINT, BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR, BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New. * builtins.def: Update DEF_BUILTIN comment to include COND argument. Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins into separate files. (DEF_GOMP_BUILTIN): New. (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER, BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END, BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END, BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START, BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START, BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START, BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START, BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START, BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT, 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_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT, BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END, BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END, BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT, BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END, BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START, BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New. * sync-builtins.def: New file, moved from builtins.def. * omp-builtins.def: New file, moved from builtins.def. * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine. * gimple-low.c (lower_function_body): Clear data. (lower_stmt): Do not handle COMPOUND_EXPR. Remove call to print_node_brief. * c-tree.h (c_finish_omp_clauses): New prototype. (C_DECL_THREADPRIVATE_P): Define. (lookup_name_no_remap, c_omp_remap_private): Remove (c_begin_omp_parallel, c_finish_omp_parallel): Update. (check_for_loop_decls): Update decl. (lookup_name_no_remap, c_omp_remap_private): Declare. (build_indirect_ref, build_modify_expr, pushdecl, pushdecl_top_level): Move to c-common.h. * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp before the switch, but just in the 2 places that need it. * c-decl.c (diagnose_mismatched_decls): Do not check for mismatched thread-local attributes when OLDDECL is marked threadprivate and NEWDECL has no thread-local attributes. (merge_decls): Merge C_DECL_THREADPRIVATE_P. (c_gimple_diagnostics_recursively): Rename from c_warn_unused_result_recursively. Invoke diagnose_omp_structured_block_errors. (check_for_loop_decls): Return a singular decl found. * langhooks.c (lhd_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls. (lhd_omp_firstprivatize_type_sizes): New. (lhd_omp_assignment): New. (lhd_omp_predetermined_sharing): New. * langhooks.h (struct gimplify_omp_ctx): Forward declare. (struct lang_hooks_for_types): Add omp_firstprivatize_type_sizes, omp_privatize_by_reference, omp_predetermined_sharing, omp_disregard_value_expr, omp_private_debug_clause, omp_clause_default_ctor, omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor. (c_finish_omp_clauses): New. (c_finish_bc_stmt): Diagnose break within omp for. (c_begin_omp_parallel, c_finish_omp_parallel): New. (build_unary_op): Return error_mark after reporting a readonly_error. (build_modify_expr): Likewise. * gimplify.c: Include optabs.h and pointer-set.h. (enum gimplify_omp_var_data): Declare. (struct gimplify_omp_ctx): Declare. (struct gimplify_ctx): Add fields prev_context, combined_pre_p and combined_ctxp. (gimplify_ctxp, gimplify_omp_ctxp): New local variables. (push_gimplify_context, pop_gimplify_context): Allow nesting. (splay_tree_compare_decl_uid): New. (new_omp_context): New. (delete_omp_context): New. (gimple_add_tmp_var): Call omp_add_variable. (gimplify_bind_expr): Likewise. (gimplify_var_or_parm_decl): If omp_notice_variable returned true, disregard DECL_VALUE_EXPR on the decl if any. (gimplify_expr_in_ctx): New. (omp_firstprivatize_variable, omp_firstprivatize_type_sizes omp_add_variable, omp_notice_variable, omp_is_private gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1 gimplify_adjust_omp_clauses, gimplify_omp_parallel gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p gimplify_omp_atomic_fetch_op, goa_stabilize_expr gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex gimplify_omp_atomic): New. (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS, OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL and OMP_ATOMIC. (gimplify_body): Verify gimplify_ctxp is empty after gimplification. * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER, PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR, PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED, PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR, PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION, PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE, PRAGMA_OMP_THREADPRIVATE. * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS, OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define. * print-tree.c (print_node): Dump DECL_VALUE_EXPR. * tree-ssa-dce.c (find_control_dependence): Do not assume that ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR). * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for OpenMP directives. (struct nesting_info): Add field_map, suppress_expansion, debug_var_chain. (create_nesting_tree): Initialize them. (lookup_field_for_decl): Use field_map. (get_nonlocal_debug_decl, get_local_debug_decl): New. (convert_local_omp_clauses): New. (finalize_nesting_tree_1): Add debug_var_chain to toplevel block. (walk_body): Split out of walk_function. (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New. (convert_nonlocal_reference): Handle omp statements. (convert_local_reference): Likewise. (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1. (unnest_nesting_tree): New. (lower_nested_functions): Call it. (insert_field_into_struct): Make extern. (struct walk_stmt_info): Move to tree-gimple.h. (walk_stmts): Make extern. * omp-builtins.def: New file. * tree-iterator.c (expr_only): Clarify comment. * c-common.h (pushdecl_top_level, pushdecl, build_modify_expr, build_indirect_ref, c_finish_omp_master, c_finish_omp_critical, c_finish_omp_ordered, c_finish_omp_barrier, c_finish_omp_atomic, c_finish_omp_flush, c_finish_omp_for, c_split_parallel_clauses, omp_clause_default_kind, c_omp_sharing_predetermined, c_omp_remap_decl): Declare. * Makefile.in (BUILTINS_DEF): Add omp-builtins.def. (OBJS-common): Add omp-low.o. (c-omp.o, omp-low.o): Add. (gimplify.o): Add dependency on $(OPTABS_H). (GTFILES): Add omp-low.c. (gt-stringpool.h): Add. * tree-cfg.c (set_bb_for_stmt): Do not update the block-to-labels map if we are currently expanding to RTL. (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P checks. Handle IDENTIFIER_NODE. (tree_verify_flow_info): Do not ICE when emitting error messages about invalid labels. (dump_function_to_file): Reset CFUN before emitting the body of the function. (debug_function): New. * passes.c (init_optimization_passes): Schedule pass_lower_omp. * langhooks-def.h (lhd_omp_predetermined_sharing, lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes): Declare. (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define. (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it. (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE, LANG_HOOKS_OMP_PREDETERMINED_SHARING, LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR, LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE, LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR, LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, LANG_HOOKS_OMP_CLAUSE_DTOR): Define. (LANG_HOOK_DECLS): Use them. 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com> Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * c-parser.c (pragma_omp_clause): Define. (c_parser_declaration_or_fndef): Document OpenMP syntax. (c_parser_compound_statement): Likewise. (c_parser_statement): Likewise. (c_parser_pragma): Handle omp pragmas. (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK, OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define. (c_parser_omp_clause_name, check_no_duplicate_clause, c_parser_omp_variable_list, c_parser_omp_var_list_parens, c_parser_omp_clause_copyin, c_parser_omp_clause_copyprivate, c_parser_omp_clause_default, c_parser_omp_clause_firstprivate, c_parser_omp_clause_if, c_parser_omp_clause_lastprivate, c_parser_omp_clause_nowait, c_parser_omp_clause_num_threads, c_parser_omp_clause_ordered, c_parser_omp_clause_private, c_parser_omp_clause_reduction, c_parser_omp_clause_schedule, c_parser_omp_clause_shared, c_parser_omp_all_clauses, c_parser_omp_structured_block, c_parser_omp_atomic, c_parser_omp_barrier, c_parser_omp_critical, c_parser_omp_flush, c_parser_omp_for_loop, c_parser_omp_for, c_parser_omp_master, c_parser_omp_ordered, c_parser_omp_sections_scope, c_parser_omp_sections, c_parser_omp_parallel, c_parser_omp_single, c_parser_omp_construct, c_parser_omp_threadprivate): New. * c-pragma.c (init_pragma): Do omp pragma registration here. * c.opt (fopenmp): New flag. 2006-01-18 Eric Christopher <echristo@apple.com> * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif. * config/darwin.h (GOMP_SELF_SPECS): Define. testsuite/ 2006-01-18 Richard Henderson <rth@redhat.com> Aldy Hernandez <aldyh@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> Uros Bizjak <uros@kss-loka.si> * testsuite/gcc.dg/gomp: New directory. From-SVN: r109902
2006-01-18 20:21:25 +01:00
/* Determine the number of threads to be launched for a PARALLEL construct.
c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805. * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805. * langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause. Add omp_private_outer_ref hook, add another argument to omp_clause_default_ctor hook. * langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define. (LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define. (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to hook_tree_tree_tree_tree_null. (LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and LANG_HOOKS_OMP_PRIVATE_OUTER_REF. * hooks.c (hook_tree_tree_tree_tree_null): New function. * hooks.h (hook_tree_tree_tree_tree_null): New prototype. * tree.def (OMP_TASK): New tree code. * tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN, OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT, OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES, OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY, OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG, OMP_CLAUSE_COLLAPSE_EXPR): Define. (enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. (OMP_DIRECTIVE_P): Add OMP_TASK. (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes. (OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind. * tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED entries. (omp_clause_num_ops): Likewise. Increase OMP_CLAUSE_LASTPRIVATE num_ops to 2. (walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Walk OMP_CLAUSE_LASTPRIVATE_STMT. * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. (dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops. * c-omp.c (c_finish_omp_for): Allow pointer iterators. Remove warning about unsigned iterators. Change decl/init/cond/incr arguments to TREE_VECs, check arguments for all collapsed loops. (c_finish_omp_taskwait): New function. (c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to ws_clauses. * c-parser.c (c_parser_omp_for_loop): Parse collapsed loops. Call default_function_array_conversion on init. Add par_clauses argument. If decl is present in parallel's lastprivate clause, change it to shared and add lastprivate clause for decl to OMP_FOR_CLAUSES. Add clauses argument, on success set OMP_FOR_CLAUSES to it. Look up collapse count in clauses. (c_parser_omp_for, c_parser_omp_parallel): Adjust c_parser_omp_for_loop callers. (OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE. (c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT. (c_parser_omp_clause_name): Handle collapse and untied clauses. (c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New functions. (c_parser_omp_clause_schedule): Handle schedule(auto). Include correct location in the error message. (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE and PRAGMA_OMP_CLAUSE_UNTIED. (OMP_TASK_CLAUSE_MASK): Define. (c_parser_omp_task, c_parser_omp_taskwait): New functions. (c_parser_omp_construct): Handle PRAGMA_OMP_TASK. * tree-nested.c (convert_nonlocal_omp_clauses, convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE, OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in OMP_CLAUSE_DECL. (conver_nonlocal_reference, convert_local_reference, convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL. Use OMP_TASKREG_* macros rather than OMP_PARALLEL_*. (walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes. * tree-gimple.c (is_gimple_stmt): Handle OMP_TASK. * c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes. * c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New. (PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New. * c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions. (c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. * c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas. * c-common.h (c_finish_omp_taskwait): New prototype. * gimple-low.c (lower_stmt): Handle OMP_TASK. * tree-parloops.c (create_parallel_loop): Create 1 entry vectors for OMP_FOR_{INIT,COND,INCR}. * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers. (make_edges): Handle OMP_TASK. * tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. * tree-inline.c (estimate_num_insns_1): Handle OMP_TASK. * builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR, BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New. * omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT, BUILT_IN_GOMP_LOOP_ULL_STATIC_START, BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ULL_GUIDED_START, BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins. * gimplify.c (gimplify_omp_for): Allow pointer type for decl, handle POINTER_PLUS_EXPR. If loop counter has been replaced and original iterator is present in lastprivate clause or if collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT. Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. (gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK. (enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF. (omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed, if it is set, lookup var in outer contexts too. Handle OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. Handle vars that are supposed to be implicitly determined firstprivate for task regions. (gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed, if it is set, lookup var in outer contexts too. Set OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set. Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Take region_type as last argument instead of in_parallel and in_combined_parallel. (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare): Adjust callers. (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set. Call omp_finish_clause langhook. (new_omp_context): Set default_kind to OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions. (omp_region_type): New enum. (struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel fields, add region_type. (new_omp_context): Take region_type as argument instead of is_parallel and is_combined_parallel. (gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable, omp_is_private, omp_check_private): Adjust ctx->is_parallel and ctx->is_combined_parallel checks. (gimplify_omp_task): New function. (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. * omp-low.c (extract_omp_for_data): Use schedule(static) for schedule(auto). Handle pointer and unsigned iterators. Compute fd->iter_type. Handle POINTER_PLUS_EXPR increments. Add loops argument. Extract data for collapsed OMP_FOR loops. (expand_parallel_call): Assert sched_kind isn't auto, map runtime schedule to index 3. (struct omp_for_data_loop): New type. (struct omp_for_data): Remove v, n1, n2, step, cond_code fields. Add loop, loops, collapse and iter_type fields. (workshare_safe_to_combine_p): Disallow combined for if iter_type is unsigned long long. Don't combine collapse > 1 loops unless all bounds and steps are constant. Adjust extract_omp_for_data caller. (expand_omp_for_generic): Handle pointer, unsigned and long long iterators. Handle collapsed OMP_FOR loops. Adjust for struct omp_for_data changes. If libgomp function doesn't return boolean_type_node, add comparison of the return value with 0. (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle pointer, unsigned and long long iterators. Adjust for struct omp_for_data changes. (expand_omp_for): Assert sched_kind isn't auto, map runtime schedule to index 3. Use GOMP_loop_ull*{start,next} if iter_type is unsigned long long. Allocate loops array, pass it to extract_omp_for_data. For collapse > 1 loops use always expand_omp_for_generic. (omp_context): Add sfield_map and srecord_type fields. (is_task_ctx, lookup_sfield): New functions. (use_pointer_for_field): Use is_task_ctx helper. Change first argument's type from const_tree to tree. Clarify comment. In OMP_TASK disallow copy-in/out sharing. (build_sender_ref): Call lookup_sfield instead of lookup_field. (install_var_field): Add mask argument. Populate both record_type and srecord_type if needed. (delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN in srecord_type. (fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT} and DECL_FIELD_OFFSET. (scan_sharing_clauses): Adjust install_var_field callers. For firstprivate clauses on explicit tasks allocate the var by value in record_type unconditionally, rather than by reference. Handle OMP_CLAUSE_PRIVATE_OUTER_REF. Scan OMP_CLAUSE_LASTPRIVATE_STMT. Use is_taskreg_ctx instead of is_parallel_ctx. Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. (create_omp_child_function_name): Add task_copy argument, use *_omp_cpyfn* names if it is true. (create_omp_child_function): Add task_copy argument, if true create *_omp_cpyfn* helper function. (scan_omp_parallel): Adjust create_omp_child_function callers. Rename parallel_nesting_level to taskreg_nesting_level. (scan_omp_task): New function. (lower_rec_input_clauses): Don't run constructors for firstprivate explicit task vars which are initialized by *_omp_cpyfn*. Pass outer var ref to omp_clause_default_ctor hook if OMP_CLAUSE_PRIVATE_OUTER_REF or OMP_CLAUSE_LASTPRIVATE. Replace OMP_CLAUSE_REDUCTION_PLACEHOLDER decls in OMP_CLAUSE_REDUCTION_INIT. (lower_send_clauses): Clear DECL_ABSTRACT_ORIGIN if in task to avoid duplicate setting of fields. Handle OMP_CLAUSE_PRIVATE_OUTER_REF. (lower_send_shared_vars): Use srecord_type if non-NULL. Don't copy-out if TREE_READONLY, only copy-in. (expand_task_copyfn): New function. (expand_task_call): New function. (struct omp_taskcopy_context): New type. (task_copyfn_copy_decl, task_copyfn_remap_type, create_task_copyfn): New functions. (lower_omp_parallel): Rename to... (lower_omp_taskreg): ... this. Use OMP_TASKREG_* macros where needed. Call create_task_copyfn if srecord_type is needed. Adjust sender_decl type. (task_shared_vars): New variable. (check_omp_nesting_restrictions): Warn if work-sharing, barrier, master or ordered region is closely nested inside OMP_TASK. Add warnings for barrier if closely nested inside of work-sharing, ordered, or master region. (scan_omp_1): Call check_omp_nesting_restrictions even for GOMP_barrier calls. Rename parallel_nesting_level to taskreg_nesting_level. Handle OMP_TASK. (lower_lastprivate_clauses): Even if some lastprivate is found on a work-sharing construct, continue looking for them on parent parallel construct. (lower_omp_for_lastprivate): Add lastprivate clauses to the beginning of dlist rather than end. Adjust for struct omp_for_data changes. (lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY, not after it. Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller. (get_ws_args_for): Adjust extract_omp_for_data caller. (scan_omp_for): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. (lower_omp_single_simple): If libgomp function doesn't return boolean_type_node, add comparison of the return value with 0. (diagnose_sb_1, diagnose_sb_2): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. Handle OMP_TASK. (parallel_nesting_level): Rename to... (taskreg_nesting_level): ... this. (is_taskreg_ctx): New function. (build_outer_var_ref, omp_copy_decl): Use is_taskreg_ctx instead of is_parallel_ctx. (execute_lower_omp): Rename parallel_nesting_level to taskreg_nesting_level. (expand_omp_parallel): Rename to... (expand_omp_taskreg): ... this. Use OMP_TASKREG_* macros where needed. Call omp_task_call for OMP_TASK regions. (expand_omp): Adjust caller, handle OMP_TASK. (lower_omp_1): Adjust lower_omp_taskreg caller, handle OMP_TASK. * bitmap.c (bitmap_default_obstack_depth): New variable. (bitmap_obstack_initialize, bitmap_obstack_release): Do nothing if argument is NULL and bitmap_default_obstack is already initialized. * ipa-struct-reorg.c (do_reorg_1): Call bitmap_obstack_release at the end. * matrix-reorg.c (matrix_reorg): Likewise. cp/ * cp-tree.h (cxx_omp_finish_clause, cxx_omp_create_clause_info, dependent_omp_for_p, begin_omp_task, finish_omp_task, finish_omp_taskwait): New prototypes. (cxx_omp_clause_default_ctor): Add outer argument. (finish_omp_for): Add new clauses argument. * cp-gimplify.c (cxx_omp_finish_clause): New function. (cxx_omp_predetermined_sharing): Moved from semantics.c, rewritten. (cxx_omp_clause_default_ctor): Add outer argument. (cp_genericize_r): Walk OMP_CLAUSE_LASTPRIVATE_STMT. * cp-objcp-common.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define. * parser.c (cp_parser_omp_for_loop): Parse collapsed for loops. Add par_clauses argument. If decl is present in parallel's lastprivate clause, change that clause to shared and add a lastprivate clause for decl to OMP_FOR_CLAUSES. Fix wording of error messages. Adjust finish_omp_for caller. Add clauses argument. Parse loops with random access iterators. (cp_parser_omp_clause_collapse, cp_parser_omp_clause_untied): New functions. (cp_parser_omp_for, cp_parser_omp_parallel): Adjust cp_parser_omp_for_loop callers. (cp_parser_omp_for_cond, cp_parser_omp_for_incr): New helper functions. (cp_parser_omp_clause_name): Handle collapse and untied clauses. (cp_parser_omp_clause_schedule): Handle auto schedule. (cp_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE and PRAGMA_OMP_CLAUSE_UNTIED. (OMP_FOR_CLAUSE_MASK): Add PRAGMA_OMP_CLAUSE_COLLAPSE. (OMP_TASK_CLAUSE_MASK): Define. (cp_parser_omp_task, cp_parser_omp_taskwait): New functions. (cp_parser_omp_construct): Handle PRAGMA_OMP_TASK. (cp_parser_pragma): Handle PRAGMA_OMP_TASK and PRAGMA_OMP_TASKWAIT. * pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Handle OMP_CLAUSE_LASTPRIVATE_STMT. (tsubst_omp_for_iterator): New function. (dependent_omp_for_p): New function. (tsubst_expr) <case OMP_FOR>: Use it. Handle collapsed OMP_FOR loops. Adjust finish_omp_for caller. Handle loops with random access iterators. Adjust for OMP_FOR_{INIT,COND,INCR} changes. (tsubst_expr): Handle OMP_TASK. * semantics.c (cxx_omp_create_clause_info): New function. (finish_omp_clauses): Call it. Handle OMP_CLAUSE_UNTIED and OMP_CLAUSE_COLLAPSE. (cxx_omp_predetermined_sharing): Removed. * semantics.c (finish_omp_for): Allow pointer iterators. Use handle_omp_for_class_iterator and dependent_omp_for_p. Handle collapsed for loops. Adjust c_finish_omp_for caller. Add new clauses argument. Fix check for type dependent cond or incr. Set OMP_FOR_CLAUSES to clauses. Use cp_convert instead of fold_convert to convert incr amount to difference_type. Only fold if not in template. If decl is mentioned in lastprivate clause, set OMP_CLAUSE_LASTPRIVATE_STMT. Handle loops with random access iterators. Adjust for OMP_FOR_{INIT,COND,INCR} changes. (finish_omp_threadprivate): Allow static class members of the current class. (handle_omp_for_class_iterator, begin_omp_task, finish_omp_task, finish_omp_taskwait): New functions. * parser.c (cp_parser_binary_expression): Add prec argument. (cp_parser_assignment_expression): Adjust caller. * cp-tree.h (outer_curly_brace_block): New prototype. * decl.c (outer_curly_brace_block): No longer static. fortran/ * scanner.c (skip_free_comments, skip_fixed_comments): Handle tabs. * parse.c (next_free): Allow tab after !$omp. (decode_omp_directive): Handle !$omp task, !$omp taskwait and !$omp end task. (case_executable): Add ST_OMP_TASKWAIT. (case_exec_markers): Add ST_OMP_TASK. (gfc_ascii_statement): Handle ST_OMP_TASK, ST_OMP_END_TASK and ST_OMP_TASKWAIT. (parse_omp_structured_block, parse_executable): Handle ST_OMP_TASK. * gfortran.h (gfc_find_sym_in_expr): New prototype. (gfc_statement): Add ST_OMP_TASK, ST_OMP_END_TASK and ST_OMP_TASKWAIT. (gfc_omp_clauses): Add OMP_SCHED_AUTO to sched_kind, OMP_DEFAULT_FIRSTPRIVATE to default_sharing. Add collapse and untied fields. (gfc_exec_op): Add EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * f95-lang.c (LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, LANG_HOOKS_OMP_CLAUSE_DTOR, LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define. * trans.h (gfc_omp_clause_default_ctor): Add another argument. (gfc_omp_clause_copy_ctor, gfc_omp_clause_assign_op, gfc_omp_clause_dtor, gfc_omp_private_outer_ref): New prototypes. * types.def (BT_ULONGLONG, BT_PTR_ULONGLONG, BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_VOID_PTR_PTR, BT_PTR_FN_VOID_PTR_PTR, BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New. (BT_BOOL): Use integer type with BOOL_TYPE_SIZE rather than boolean_type_node. * dump-parse-tree.c (gfc_show_omp_node): Handle EXEC_OMP_TASK, EXEC_OMP_TASKWAIT, OMP_SCHED_AUTO, OMP_DEFAULT_FIRSTPRIVATE, untied and collapse clauses. (gfc_show_code_node): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * trans.c (gfc_trans_code): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * st.c (gfc_free_statement): Likewise. * resolve.c (gfc_resolve_blocks, resolve_code): Likewise. (find_sym_in_expr): Rename to... (gfc_find_sym_in_expr): ... this. No longer static. (resolve_allocate_expr, resolve_ordinary_assign): Adjust caller. * match.h (gfc_match_omp_task, gfc_match_omp_taskwait): New prototypes. * openmp.c (resolve_omp_clauses): Allow allocatable arrays in firstprivate, lastprivate, reduction, copyprivate and copyin clauses. (omp_current_do_code): Made static. (omp_current_do_collapse): New variable. (gfc_resolve_omp_do_blocks): Compute omp_current_do_collapse, clear omp_current_do_code and omp_current_do_collapse on return. (gfc_resolve_do_iterator): Handle collapsed do loops. (resolve_omp_do): Likewise, diagnose errorneous collapsed do loops. (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): Define. (gfc_match_omp_clauses): Handle default (firstprivate), schedule (auto), untied and collapse (n) clauses. (OMP_DO_CLAUSES): Add OMP_CLAUSE_COLLAPSE. (OMP_TASK_CLAUSES): Define. (gfc_match_omp_task, gfc_match_omp_taskwait): New functions. * trans-openmp.c (gfc_omp_private_outer_ref): New function. (gfc_omp_clause_default_ctor): Add outer argument. For allocatable arrays allocate them with the bounds of the outer var if outer var is allocated. (gfc_omp_clause_copy_ctor, gfc_omp_clause_assign_op, gfc_omp_clause_dtor): New functions. (gfc_trans_omp_array_reduction): If decl is allocatable array, allocate it with outer var's bounds in OMP_CLAUSE_REDUCTION_INIT and deallocate it in OMP_CLAUSE_REDUCTION_MERGE. (gfc_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED for assumed-size arrays. (gfc_trans_omp_do): Add par_clauses argument. If dovar is present in lastprivate clause and do loop isn't simple, set OMP_CLAUSE_LASTPRIVATE_STMT. If dovar is present in parallel's lastprivate clause, change it to shared and add lastprivate clause to OMP_FOR_CLAUSES. Handle collapsed do loops. (gfc_trans_omp_directive): Adjust gfc_trans_omp_do callers. (gfc_trans_omp_parallel_do): Likewise. Move collapse clause to OMP_FOR from OMP_PARALLEL. (gfc_trans_omp_clauses): Handle OMP_SCHED_AUTO, OMP_DEFAULT_FIRSTPRIVATE, untied and collapse clauses. (gfc_trans_omp_task, gfc_trans_omp_taskwait): New functions. (gfc_trans_omp_directive): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. gcc/testsuite/ * gcc.dg/gomp/collapse-1.c: New test. * gcc.dg/gomp/nesting-1.c: New test. * g++.dg/gomp/task-1.C: New test. * g++.dg/gomp/predetermined-1.C: New test. * g++.dg/gomp/tls-4.C: New test. * gfortran.dg/gomp/collapse1.f90: New test. * gfortran.dg/gomp/sharing-3.f90: New test. * gcc.dg/gomp/pr27499.c (foo): Remove is unsigned dg-warning. * g++.dg/gomp/pr27499.C (foo): Likewise. * g++.dg/gomp/for-16.C (foo): Likewise. * g++.dg/gomp/tls-3.C: Remove dg-error, add S::s definition. * g++.dg/gomp/pr34607.C: Adjust dg-error location. * g++.dg/gomp/for-16.C (foo): Add a new dg-error. * gcc.dg/gomp/appendix-a/a.35.4.c: Add dg-warning. * gcc.dg/gomp/appendix-a/a.35.6.c: Likewise. * gfortran.dg/gomp/appendix-a/a.35.4.f90: Likewise. * gfortran.dg/gomp/appendix-a/a.35.6.f90: Likewise. * gfortran.dg/gomp/omp_parse1.f90: Remove !$omp tab test. * gfortran.dg/gomp/appendix-a/a.33.4.f90: Remove dg-error about allocatable array. * gfortran.dg/gomp/reduction1.f90: Likewise. libgomp/ * configure.ac (LIBGOMP_GNU_SYMBOL_VERSIONING): New AC_DEFINE. Substitute also OMP_*LOCK_25*. * configure: Regenerated. * config.h.in: Regenerated. * Makefile.am (libgomp_la_SOURCES): Add loop_ull.c, iter_ull.c, ptrlock.c and task.c. * Makefile.in: Regenerated. * testsuite/Makefile.in: Regenerated. * task.c: New file. * loop_ull.c: New file. * iter_ull.c: New file. * libgomp.h: Include ptrlock.h. (enum gomp_task_kind): New type. (struct gomp_team): Add task_lock, task_queue, task_count, task_running_count, single_count fields. Add work_share_list_free_lock ifndef HAVE_SYNC_BUILTINS. Remove work_share_lock, generation_mask, oldest_live_gen, num_live_gen and init_work_shares fields, add work work_share_list_alloc, work_share_list_free and work_share_chunk fields. Change work_shares from pointer to pointers into an array. Change ordered_release field into gomp_sem_t ** from flexible array member. Add implicit_task and initial_work_shares fields. Move close to the end of the struct. (struct gomp_team_state): Add single_count, last_work_share, active_level and level fields, remove work_share_generation. (gomp_barrier_handle_tasks): New prototype. (gomp_finish_task): New inline function. (struct gomp_work_share): Move chunk_size, end, incr into transparent union/struct, add chunk_size_ull, end_ll, incr_ll and next_ll fields. Reshuffle fields. Add next_alloc, next_ws, next_free and inline_ordered_team_ids fields, change ordered_team_ids into pointer from flexible array member. Add mode field. Put lock and next into a different cache line from most of the write-once fields. (gomp_iter_ull_static_next, gomp_iter_ull_dynamic_next_locked, gomp_iter_ull_guided_next_locked, gomp_iter_ull_dynamic_next, gomp_iter_ull_guided_next): New prototypes. (gomp_new_icv): New prototype. (struct gomp_thread): Add thread_pool and task fields. (struct gomp_thread_pool): New type. (gomp_new_team): New prototype. (gomp_team_start): Change type of last argument. (gomp_new_work_share): Removed. (gomp_init_work_share, gomp_fini_work_share): New prototypes. (gomp_work_share_init_done): New static inline. (gomp_throttled_spin_count_var, gomp_available_cpus, gomp_managed_threads): New extern decls. (gomp_init_task): New prototype. (gomp_spin_count_var): New extern var decl. (LIBGOMP_GNU_SYMBOL_VERSIONING): Undef if no visibility or no alias support, or if not PIC. (gomp_init_lock_30, gomp_destroy_lock_30, gomp_set_lock_30, gomp_unset_lock_30, gomp_test_lock_30, gomp_init_nest_lock_30, gomp_destroy_nest_lock_30, gomp_set_nest_lock_30, gomp_unset_nest_lock_30, gomp_test_nest_lock_30, gomp_init_lock_25, gomp_destroy_lock_25, gomp_set_lock_25, gomp_unset_lock_25, gomp_test_lock_25, gomp_init_nest_lock_25, gomp_destroy_nest_lock_25, gomp_set_nest_lock_25, gomp_unset_nest_lock_25, gomp_test_nest_lock_25): New prototypes. (omp_lock_symver, strong_alias): Define. (gomp_remaining_threads_count, gomp_remaining_threads_lock): New decls. (gomp_end_task): New. (struct gomp_task_icv, gomp_global_icv): New. (gomp_thread_limit_var, gomp_max_active_levels_var): New. (struct gomp_task): New. (gomp_nthreads_var, gomp_dyn_var, gomp_nest_var, gomp_run_sched_var, gomp_run_sched_chunk): Remove. (gomp_icv): New. (gomp_schedule_type): Reorder enum to match omp_sched_t. * team.c (struct gomp_thread_start_data): Add thread_pool and task fields. (gomp_thread_start): Add gomp_team_barrier_wait call. For non-nested case remove clearing of docked thread thr fields. Use pool fields instead of global gomp_* variables. Use gomp_barrier_wait_last when needed. Initialize ts.active_level. Create tasks for each member thread. (free_team): Only destroy team barrier, task_lock here and free it. (gomp_free_thread): Free last_team if non-NULL. (gomp_team_end): Call gomp_team_barrier_wait instead of gomp_barrier_wait. For nested case call one extra gomp_barrier_wait. Move here some destruction from free_team. Call free_team on pool->last_team if any, rather than freeing current team. Destroy work_share_list_free_lock ifndef HAVE_SYNC_BUILTINS. (gomp_new_icv): New function. (gomp_threads, gomp_threads_size, gomp_threads_used, gomp_threads_dock): Removed. (gomp_thread_destructor): New variable. (gomp_new_thread_pool, gomp_free_pool_helper, gomp_free_thread): New functions. (gomp_team_start): Create new pool if current thread doesn't have one. Use pool fields instead of global gomp_* variables. Initialize thread_pool field for new threads. Clear single_count. Change last argument from ws to team, don't create new team, set ts.work_share to &team->work_shares[0] and clear ts.last_work_share. Don't clear ts.work_share_generation. If number of threads changed, adjust atomically gomp_managed_threads. Use gomp_init_task instead of gomp_new_task, set thr->task to the corresponding implicit_task array entry. Create tasks for each member thread. Initialize ts.level. (initialize_team): Call pthread_key_create on gomp_thread_destructor. (team_destructor): New function. (new_team): Removed. (gomp_new_team): New function. (free_team): Free gomp_work_share blocks chained through next_alloc, instead of freeing work_shares and destroying work_share_lock. (gomp_team_end): Call gomp_fini_work_share. If number of threads changed, adjust atomically gomp_managed_threads. Use gomp_end_task. * barrier.c (GOMP_barrier): Call gomp_team_barrier_wait instead of gomp_barrier_wait. * single.c (GOMP_single_copy_start): Call gomp_team_barrier_wait instead of gomp_barrier_wait. Call gomp_work_share_init_done if gomp_work_share_start returned true. Don't unlock ws->lock. (GOMP_single_copy_end): Call gomp_team_barrier_wait instead of gomp_barrier_wait. (GOMP_single_start): Rewritten if HAVE_SYNC_BUILTINS. Call gomp_work_share_init_done if gomp_work_share_start returned true. Don't unlock ws->lock. * work.c: Include stddef.h. (free_work_share): Use work_share_list_free_lock instead of atomic chaining ifndef HAVE_SYNC_BUILTINS. Add team argument. Call gomp_fini_work_share and then either free ws if orphaned, or put it into work_share_list_free list of the current team. (alloc_work_share, gomp_init_work_share, gomp_fini_work_share): New functions. (gomp_work_share_start, gomp_work_share_end, gomp_work_share_end_nowait): Rewritten. * omp_lib.f90.in Change some tabs to spaces to prevent warnings. (openmp_version): Set to 200805. (omp_sched_kind, omp_sched_static, omp_sched_dynamic, omp_sched_guided, omp_sched_auto): New parameters. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New interfaces. * omp_lib.h.in (openmp_version): Set to 200805. (omp_sched_kind, omp_sched_static, omp_sched_dynamic, omp_sched_guided, omp_sched_auto): New parameters. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New externals. * loop.c: Include limits.h. (GOMP_loop_runtime_next, GOMP_loop_ordered_runtime_next): Handle GFS_AUTO. (GOMP_loop_runtime_start, GOMP_loop_ordered_runtime_start): Likewise. Use gomp_icv. (gomp_loop_static_start, gomp_loop_dynamic_start): Clear ts.static_trip here. (gomp_loop_static_start, gomp_loop_ordered_static_start): Call gomp_work_share_init_done after gomp_loop_init. Don't unlock ws->lock. (gomp_loop_dynamic_start, gomp_loop_guided_start): Call gomp_work_share_init_done after gomp_loop_init. If HAVE_SYNC_BUILTINS, don't unlock ws->lock, otherwise lock it. (gomp_loop_ordered_dynamic_start, gomp_loop_ordered_guided_start): Call gomp_work_share_init_done after gomp_loop_init. Lock ws->lock. (gomp_parallel_loop_start): Call gomp_new_team instead of gomp_new_work_share. Call gomp_loop_init on &team->work_shares[0]. Adjust gomp_team_start caller. Pass 0 as second argument to gomp_resolve_num_threads. (gomp_loop_init): For GFS_DYNAMIC, multiply ws->chunk_size by incr. If adding ws->chunk_size nthreads + 1 times after end won't overflow, set ws->mode to 1. * libgomp_g.h (GOMP_loop_ull_static_start, GOMP_loop_ull_dynamic_start, GOMP_loop_ull_guided_start, GOMP_loop_ull_runtime_start, GOMP_loop_ull_ordered_static_start, GOMP_loop_ull_ordered_dynamic_start, GOMP_loop_ull_ordered_guided_start, GOMP_loop_ull_ordered_runtime_start, GOMP_loop_ull_static_next, GOMP_loop_ull_dynamic_next, GOMP_loop_ull_guided_next, GOMP_loop_ull_runtime_next, GOMP_loop_ull_ordered_static_next, GOMP_loop_ull_ordered_dynamic_next, GOMP_loop_ull_ordered_guided_next, GOMP_loop_ull_ordered_runtime_next, GOMP_task, GOMP_taskwait): New prototypes. * libgomp.map: Export lock routines also @@OMP_2.0. (GOMP_loop_ordered_dynamic_first, GOMP_loop_ordered_guided_first, GOMP_loop_ordered_runtime_first, GOMP_loop_ordered_static_first): Remove. (GOMP_loop_ull_dynamic_next, GOMP_loop_ull_dynamic_start, GOMP_loop_ull_guided_next, GOMP_loop_ull_guided_start, GOMP_loop_ull_ordered_dynamic_next, GOMP_loop_ull_ordered_dynamic_start, GOMP_loop_ull_ordered_guided_next, GOMP_loop_ull_ordered_guided_start, GOMP_loop_ull_ordered_runtime_next, GOMP_loop_ull_ordered_runtime_start, GOMP_loop_ull_ordered_static_next, GOMP_loop_ull_ordered_static_start, GOMP_loop_ull_runtime_next, GOMP_loop_ull_runtime_start, GOMP_loop_ull_static_next, GOMP_loop_ull_static_start, GOMP_task, GOMP_taskwait): Export @@GOMP_2.0. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level, omp_set_schedule_, omp_set_schedule_8_, omp_get_schedule_, omp_get_schedule_8_, omp_get_thread_limit_, omp_set_max_active_levels_, omp_set_max_active_levels_8_, omp_get_max_active_levels_, omp_get_level_, omp_get_ancestor_thread_num_, omp_get_ancestor_thread_num_8_, omp_get_team_size_, omp_get_team_size_8_, omp_get_active_level_): New exports @@OMP_3.0. * omp.h.in (omp_sched_t): New type. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New prototypes. * env.c (gomp_spin_count_var, gomp_throttled_spin_count_var, gomp_available_cpus, gomp_managed_threads, gomp_max_active_levels_var, gomp_thread_limit_var, gomp_remaining_threads_count, gomp_remaining_threads_lock): New variables. (parse_spincount): New function. (initialize_env): Call gomp_init_num_threads unconditionally. Initialize gomp_available_cpus. Call parse_spincount, initialize gomp_{,throttled_}spin_count_var depending on presence and value of OMP_WAIT_POLICY and GOMP_SPINCOUNT env vars. Handle GOMP_BLOCKTIME env var. Handle OMP_WAIT_POLICY, OMP_MAX_ACTIVE_LEVELS, OMP_THREAD_LIMIT, OMP_STACKSIZE env vars. Handle unit specification for GOMP_STACKSIZE. Initialize gomp_remaining_threads_count and gomp_remaining_threads_lock if needed. Use gomp_global_icv. (gomp_nthreads_var, gomp_dyn_var, gomp_nest_var, gomp_run_sched_var, gomp_run_sched_chunk): Remove. (gomp_global_icv): New. (parse_schedule): Use it. Parse "auto". (omp_set_num_threads): Use gomp_icv. (omp_set_dynamic, omp_get_dynamic, omp_set_nested, omp_get_nested): Likewise. (omp_get_max_threads): Move from parallel.c. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels): New functions, add ialias. (parse_stacksize, parse_wait_policy): New functions. * fortran.c: Rewrite lock wrappers, if symbol versioning provide both wrappers for compatibility and new locks. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New ialias_redirect. (omp_set_schedule_, omp_set_schedule_8_, omp_get_schedule_, omp_get_schedule_8_, omp_get_thread_limit_, omp_set_max_active_levels_, omp_set_max_active_levels_8_, omp_get_max_active_levels_, omp_get_level_, omp_get_ancestor_thread_num_, omp_get_ancestor_thread_num_8_, omp_get_team_size_, omp_get_team_size_8_, omp_get_active_level_): New functions. * parallel.c: Include limits.h. (gomp_resolve_num_threads): Add count argument. Rewritten. (GOMP_parallel_start): Call gomp_new_team and pass that as last argument to gomp_team_start. Pass 0 as second argument to gomp_resolve_num_threads. (GOMP_parallel_end): Decrease gomp_remaining_threads_count if gomp_thread_limit_var != ULONG_MAX. (omp_in_parallel): Implement using ts.active_level. (omp_get_max_threads): Move to env.c. (omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New functions, add ialias. * sections.c (GOMP_sections_start): Call gomp_work_share_init_done after gomp_sections_init. If HAVE_SYNC_BUILTINS, call gomp_iter_dynamic_next instead of the _locked variant and don't take lock around it, otherwise acquire it before calling gomp_iter_dynamic_next_locked. (GOMP_sections_next): If HAVE_SYNC_BUILTINS, call gomp_iter_dynamic_next instead of the _locked variant and don't take lock around it. (GOMP_parallel_sections_start): Call gomp_new_team instead of gomp_new_work_share. Call gomp_sections_init on &team->work_shares[0]. Adjust gomp_team_start caller. Pass count as second argument to gomp_resolve_num_threads, don't adjust num_threads after the call. Use gomp_icv. * iter.c (gomp_iter_dynamic_next_locked): Don't multiply ws->chunk_size by incr. (gomp_iter_dynamic_next): Likewise. If ws->mode, use more efficient code. * libgomp_f.h.in (omp_lock_25_arg_t, omp_nest_lock_25_arg_t): New types. (omp_lock_25_arg, omp_nest_lock_25_arg): New macros. (omp_check_defines): Check even the compat defines. * config/linux/ptrlock.c: New file. * config/linux/ptrlock.h: New file. * config/linux/wait.h: New file. * config/posix/ptrlock.c: New file. * config/posix/ptrlock.h: New file. * config/linux/bar.h (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New prototypes. (gomp_team_barrier_set_task_pending, gomp_team_barrier_clear_task_pending, gomp_team_barrier_set_waiting_for_tasks, gomp_team_barrier_waiting_for_tasks, gomp_team_barrier_done): New inlines. (gomp_barrier_t): Rewritten. (gomp_barrier_state_t): New typedef. (gomp_barrier_init, gomp_barrier_reinit, gomp_barrier_destroy, gomp_barrier_wait_start): Rewritten. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_barrier_last_thread, gomp_barrier_wait_last): New static inlines. * config/linux/bar.c: Include wait.h instead of libgomp.h and futex.h. (gomp_barrier_wait_end): Rewritten. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake, gomp_barrier_wait_last): New functions. * config/posix/bar.h (gomp_barrier_t): Add generation field. (gomp_barrier_state_t): New typedef. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New prototypes. (gomp_barrier_wait_start): Or all but low 2 bits from generation into the return value. Return gomp_barrier_state_t. (gomp_team_barrier_set_task_pending, gomp_team_barrier_clear_task_pending, gomp_team_barrier_set_waiting_for_tasks, gomp_team_barrier_waiting_for_tasks, gomp_team_barrier_done): New inlines. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_barrier_last_thread, gomp_barrier_wait_last): New static inlines. * config/posix/bar.c (gomp_barrier_init): Clear generation field. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New functions. * config/linux/mutex.c: Include wait.h instead of libgomp.h and futex.h. (gomp_futex_wake, gomp_futex_wait): New variables. (gomp_mutex_lock_slow): Call do_wait instead of futex_wait. * config/linux/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. Include wait.h instead of libgomp.h and futex.h. (gomp_set_nest_lock_25): Call do_wait instead of futex_wait. * config/posix95/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. * config/posix/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. * config/linux/proc.c (gomp_init_num_threads): Use gomp_global_icv. (get_num_procs, gomp_dynamic_max_threads): Use gomp_icv. * config/posix/proc.c, config/mingw32/proc.c: Similarly. * config/linux/powerpc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/alpha/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/x86/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/s390/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/ia64/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/sparc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/sem.c: Include wait.h instead of libgomp.h and futex.h. (gomp_sem_wait_slow): Call do_wait instead of futex_wait. * config/linux/affinity.c: Assume HAVE_SYNC_BUILTINS. * config/linux/omp-lock.h (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_nest_lock_t): Change owner into void *, add lock field. * config/posix95/omp-lock.h: Include semaphore.h. (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_lock_t): Use sem_t instead of mutex if semaphores aren't broken. (omp_nest_lock_t): Likewise. Change owner to void *. * config/posix/omp-lock.h: Include semaphore.h. (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_lock_t): Use sem_t instead of mutex if semaphores aren't broken. (omp_nest_lock_t): Likewise. Add owner field. * testsuite/libgomp.c/collapse-1.c: New test. * testsuite/libgomp.c/collapse-2.c: New test. * testsuite/libgomp.c/collapse-3.c: New test. * testsuite/libgomp.c/icv-1.c: New test. * testsuite/libgomp.c/icv-2.c: New test. * testsuite/libgomp.c/lib-2.c: New test. * testsuite/libgomp.c/lock-1.c: New test. * testsuite/libgomp.c/lock-2.c: New test. * testsuite/libgomp.c/lock-3.c: New test. * testsuite/libgomp.c/loop-4.c: New test. * testsuite/libgomp.c/loop-5.c: New test. * testsuite/libgomp.c/loop-6.c: New test. * testsuite/libgomp.c/loop-7.c: New test. * testsuite/libgomp.c/loop-8.c: New test. * testsuite/libgomp.c/loop-9.c: New test. * testsuite/libgomp.c/nested-3.c: New test. * testsuite/libgomp.c/nestedfn-6.c: New test. * testsuite/libgomp.c/sort-1.c: New test. * testsuite/libgomp.c/task-1.c: New test. * testsuite/libgomp.c/task-2.c: New test. * testsuite/libgomp.c/task-3.c: New test. * testsuite/libgomp.c/task-4.c: New test. * testsuite/libgomp.c++/c++.exp: Add libstdc++-v3 build includes to C++ testsuite default compiler options. * testsuite/libgomp.c++/collapse-1.C: New test. * testsuite/libgomp.c++/collapse-2.C: New test. * testsuite/libgomp.c++/ctor-10.C: New test. * testsuite/libgomp.c++/for-1.C: New test. * testsuite/libgomp.c++/for-2.C: New test. * testsuite/libgomp.c++/for-3.C: New test. * testsuite/libgomp.c++/for-4.C: New test. * testsuite/libgomp.c++/for-5.C: New test. * testsuite/libgomp.c++/loop-8.C: New test. * testsuite/libgomp.c++/loop-9.C: New test. * testsuite/libgomp.c++/loop-10.C: New test. * testsuite/libgomp.c++/task-1.C: New test. * testsuite/libgomp.c++/task-2.C: New test. * testsuite/libgomp.c++/task-3.C: New test. * testsuite/libgomp.c++/task-4.C: New test. * testsuite/libgomp.c++/task-5.C: New test. * testsuite/libgomp.c++/task-6.C: New test. * testsuite/libgomp.fortran/allocatable1.f90: New test. * testsuite/libgomp.fortran/allocatable2.f90: New test. * testsuite/libgomp.fortran/allocatable3.f90: New test. * testsuite/libgomp.fortran/allocatable4.f90: New test. * testsuite/libgomp.fortran/collapse1.f90: New test. * testsuite/libgomp.fortran/collapse2.f90: New test. * testsuite/libgomp.fortran/collapse3.f90: New test. * testsuite/libgomp.fortran/collapse4.f90: New test. * testsuite/libgomp.fortran/lastprivate1.f90: New test. * testsuite/libgomp.fortran/lastprivate2.f90: New test. * testsuite/libgomp.fortran/lib4.f90: New test. * testsuite/libgomp.fortran/lock-1.f90: New test. * testsuite/libgomp.fortran/lock-2.f90: New test. * testsuite/libgomp.fortran/nested1.f90: New test. * testsuite/libgomp.fortran/nestedfn4.f90: New test. * testsuite/libgomp.fortran/strassen.f90: New test. * testsuite/libgomp.fortran/tabs1.f90: New test. * testsuite/libgomp.fortran/tabs2.f: New test. * testsuite/libgomp.fortran/task1.f90: New test. * testsuite/libgomp.fortran/task2.f90: New test. * testsuite/libgomp.fortran/vla4.f90: Add dg-warning. * testsuite/libgomp.fortran/vla5.f90: Likewise. * testsuite/libgomp.c/pr26943-2.c: Likewise. * testsuite/libgomp.c/pr26943-3.c: Likewise. * testsuite/libgomp.c/pr26943-4.c: Likewise. Co-Authored-By: Jakob Blomer <jakob.blomer@ira.uka.de> Co-Authored-By: Richard Henderson <rth@redhat.com> Co-Authored-By: Ulrich Drepper <drepper@redhat.com> From-SVN: r136433
2008-06-06 15:01:54 +02:00
This algorithm is explicitly described in OpenMP 3.0 section 2.4.1.
[multiple changes] 2006-01-18 Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * libgomp: New directory. * Makefile.def: Add target_module libgomp. * Makefile.in: Regenerate. * configure.in (target_libraries): Add target-libgomp. * configure: Regenerate. contrib/ 2006-01-18 Richard Henderson <rth@redhat.com> Diego Novillo <dnovillo@redhat.com> * gcc_update (files_and_dependencies): Add libgomp files. gcc/ 2006-01-18 Richard Henderson <rth@redhat.com> Aldy Hernandez <aldyh@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * omp-low.c: New file. * c-omp.c: New file. 2006-01-18 Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * doc/invoke.texi: Document -fopenmp. * tree-dump.h (debug_function): Declare. * hooks.c (hook_bool_tree_bool_false): New function. (hook_tree_tree_null): Remove. (hook_tree_tree_tree_null): New. * hooks.h: Update to match. * tree-pretty-print.c (debug_tree_chain): New. (print_generic_expr): Handle TDF_CHAIN. (dump_generic_node): Handle BLOCK. Do not abort with incomplete SWITCH_EXPRs. Do not dump body of an OpenMP directive if TDF_SLIM is given. <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't print space after directive name. <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY. Handle OMP_MASTER and OMP_ORDERED. Handle printing of OMP_BODY just in one place, goto dump_omp_body in the rest of OMP_* nodes that have OMP_BODY. Don't handle clause nodes here. Update omp statements to use dump_omp_clauses. Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION, OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC, OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF, GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED, GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE, GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE. Adjust output for GOMP_PARALLEL. (dump_omp_clauses): New. (print_declaration): Dump DECL_VALUE_EXPR. (op_symbol_1): Split out of op_symbol. (dumping_stmts): Remove. Update all users. * cgraph.c (cgraph_analyze_queue): New. (cgraph_add_new_function): New. * cgraph.h (cgraph_analyze_queue): Declare. (cgraph_add_new_function): Declare. (cgraph_lower_function): Remove. * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_* nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS and TYPE_P nodes in its default clause. (empty_body_p): New. (tree_range_check_failed): New. (build5_stat): New. * tree.h (OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE, OMP_CLAUSE_REDUCTION_PLACEHOLDER, OMP_CLAUSE_PRIVATE_DEBUG, OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY, OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY, OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND, OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL, OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR, OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT, OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT, OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC, OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST, OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY, OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY, OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New. (TREE_RANGE_CHECK): New. (empty_body_p): Declare. (enum omp_clause_default_kind): New. (build_string_literal): Declare. (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New. (build5_stat, build5): Declare. * tree-pass.h (TDF_CHAIN): Define. * tree-pass.h (PROP_gimple_lomp): Define. (pass_lower_omp): Declare. * diagnostic.h (debug_tree_chain): Declare. * builtins.c (get_builtin_sync_mode): Use 0 as last argument to mode_for_size. (expand_builtin): Handle sync BUILT_IN_*_16 builtins. * builtins.c (build_string_literal): Make extern. * gcc.c (include_spec_function): New. (static_spec_functions): Add it. (main): Move load of libgomp.spec ... (LINK_COMMAND_SPEC): ... here. (link_gomp_spec): New. (static_specs): Include it. (LINK_COMMAND_SPEC): Add link_gomp. (GOMP_SELF_SPECS): New. (driver_self_specs): Include it. (switch_matches): Don't mark inline. (main): Load libgomp.spec. * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION, and OMP_SINGLE, OMP_FOR and OMP_PARALLEL. * tree-gimple.h (enum omp_parallel): Declare. (determine_parallel_type): Declare. (omp_firstprivatize_variable): Declare. (omp_reduction_init): Declare. (diagnose_omp_structured_block_errors): Declare. (struct walk_stmt_info): Add want_return_expr. (struct walk_stmt_info): Add want_bind_expr, want_locations. (find_omp_clause): Declare. (insert_field_into_struct): Declare. (struct walk_stmt_info): Move from tree-nested.c (walk_stmts): Declare. * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP to 200505. * cgraphunit.c (cgraph_lower_function): Make static. (cgraph_finalize_pending_functions): New. (cgraph_finalize_function): Call it. (cgraph_finalize_compilation_unit): Likewise. * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16, BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add. (BT_FN_UINT_UINT): New. (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7, DEF_FUNCTION_TYPE_VAR_4): Document. (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT, BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR, BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT, BT_FN_VOID_OMPFN_PTR_UINT_UINT, BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR, BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New. * builtins.def: Update DEF_BUILTIN comment to include COND argument. Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins into separate files. (DEF_GOMP_BUILTIN): New. (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER, BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END, BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END, BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START, BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START, BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START, BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START, BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START, BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT, 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_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT, BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END, BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END, BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT, BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END, BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START, BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New. * sync-builtins.def: New file, moved from builtins.def. * omp-builtins.def: New file, moved from builtins.def. * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine. * gimple-low.c (lower_function_body): Clear data. (lower_stmt): Do not handle COMPOUND_EXPR. Remove call to print_node_brief. * c-tree.h (c_finish_omp_clauses): New prototype. (C_DECL_THREADPRIVATE_P): Define. (lookup_name_no_remap, c_omp_remap_private): Remove (c_begin_omp_parallel, c_finish_omp_parallel): Update. (check_for_loop_decls): Update decl. (lookup_name_no_remap, c_omp_remap_private): Declare. (build_indirect_ref, build_modify_expr, pushdecl, pushdecl_top_level): Move to c-common.h. * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp before the switch, but just in the 2 places that need it. * c-decl.c (diagnose_mismatched_decls): Do not check for mismatched thread-local attributes when OLDDECL is marked threadprivate and NEWDECL has no thread-local attributes. (merge_decls): Merge C_DECL_THREADPRIVATE_P. (c_gimple_diagnostics_recursively): Rename from c_warn_unused_result_recursively. Invoke diagnose_omp_structured_block_errors. (check_for_loop_decls): Return a singular decl found. * langhooks.c (lhd_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls. (lhd_omp_firstprivatize_type_sizes): New. (lhd_omp_assignment): New. (lhd_omp_predetermined_sharing): New. * langhooks.h (struct gimplify_omp_ctx): Forward declare. (struct lang_hooks_for_types): Add omp_firstprivatize_type_sizes, omp_privatize_by_reference, omp_predetermined_sharing, omp_disregard_value_expr, omp_private_debug_clause, omp_clause_default_ctor, omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor. (c_finish_omp_clauses): New. (c_finish_bc_stmt): Diagnose break within omp for. (c_begin_omp_parallel, c_finish_omp_parallel): New. (build_unary_op): Return error_mark after reporting a readonly_error. (build_modify_expr): Likewise. * gimplify.c: Include optabs.h and pointer-set.h. (enum gimplify_omp_var_data): Declare. (struct gimplify_omp_ctx): Declare. (struct gimplify_ctx): Add fields prev_context, combined_pre_p and combined_ctxp. (gimplify_ctxp, gimplify_omp_ctxp): New local variables. (push_gimplify_context, pop_gimplify_context): Allow nesting. (splay_tree_compare_decl_uid): New. (new_omp_context): New. (delete_omp_context): New. (gimple_add_tmp_var): Call omp_add_variable. (gimplify_bind_expr): Likewise. (gimplify_var_or_parm_decl): If omp_notice_variable returned true, disregard DECL_VALUE_EXPR on the decl if any. (gimplify_expr_in_ctx): New. (omp_firstprivatize_variable, omp_firstprivatize_type_sizes omp_add_variable, omp_notice_variable, omp_is_private gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1 gimplify_adjust_omp_clauses, gimplify_omp_parallel gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p gimplify_omp_atomic_fetch_op, goa_stabilize_expr gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex gimplify_omp_atomic): New. (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS, OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL and OMP_ATOMIC. (gimplify_body): Verify gimplify_ctxp is empty after gimplification. * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER, PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR, PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED, PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR, PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION, PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE, PRAGMA_OMP_THREADPRIVATE. * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS, OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define. * print-tree.c (print_node): Dump DECL_VALUE_EXPR. * tree-ssa-dce.c (find_control_dependence): Do not assume that ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR). * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for OpenMP directives. (struct nesting_info): Add field_map, suppress_expansion, debug_var_chain. (create_nesting_tree): Initialize them. (lookup_field_for_decl): Use field_map. (get_nonlocal_debug_decl, get_local_debug_decl): New. (convert_local_omp_clauses): New. (finalize_nesting_tree_1): Add debug_var_chain to toplevel block. (walk_body): Split out of walk_function. (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New. (convert_nonlocal_reference): Handle omp statements. (convert_local_reference): Likewise. (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1. (unnest_nesting_tree): New. (lower_nested_functions): Call it. (insert_field_into_struct): Make extern. (struct walk_stmt_info): Move to tree-gimple.h. (walk_stmts): Make extern. * omp-builtins.def: New file. * tree-iterator.c (expr_only): Clarify comment. * c-common.h (pushdecl_top_level, pushdecl, build_modify_expr, build_indirect_ref, c_finish_omp_master, c_finish_omp_critical, c_finish_omp_ordered, c_finish_omp_barrier, c_finish_omp_atomic, c_finish_omp_flush, c_finish_omp_for, c_split_parallel_clauses, omp_clause_default_kind, c_omp_sharing_predetermined, c_omp_remap_decl): Declare. * Makefile.in (BUILTINS_DEF): Add omp-builtins.def. (OBJS-common): Add omp-low.o. (c-omp.o, omp-low.o): Add. (gimplify.o): Add dependency on $(OPTABS_H). (GTFILES): Add omp-low.c. (gt-stringpool.h): Add. * tree-cfg.c (set_bb_for_stmt): Do not update the block-to-labels map if we are currently expanding to RTL. (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P checks. Handle IDENTIFIER_NODE. (tree_verify_flow_info): Do not ICE when emitting error messages about invalid labels. (dump_function_to_file): Reset CFUN before emitting the body of the function. (debug_function): New. * passes.c (init_optimization_passes): Schedule pass_lower_omp. * langhooks-def.h (lhd_omp_predetermined_sharing, lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes): Declare. (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define. (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it. (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE, LANG_HOOKS_OMP_PREDETERMINED_SHARING, LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR, LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE, LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR, LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, LANG_HOOKS_OMP_CLAUSE_DTOR): Define. (LANG_HOOK_DECLS): Use them. 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com> Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * c-parser.c (pragma_omp_clause): Define. (c_parser_declaration_or_fndef): Document OpenMP syntax. (c_parser_compound_statement): Likewise. (c_parser_statement): Likewise. (c_parser_pragma): Handle omp pragmas. (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK, OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define. (c_parser_omp_clause_name, check_no_duplicate_clause, c_parser_omp_variable_list, c_parser_omp_var_list_parens, c_parser_omp_clause_copyin, c_parser_omp_clause_copyprivate, c_parser_omp_clause_default, c_parser_omp_clause_firstprivate, c_parser_omp_clause_if, c_parser_omp_clause_lastprivate, c_parser_omp_clause_nowait, c_parser_omp_clause_num_threads, c_parser_omp_clause_ordered, c_parser_omp_clause_private, c_parser_omp_clause_reduction, c_parser_omp_clause_schedule, c_parser_omp_clause_shared, c_parser_omp_all_clauses, c_parser_omp_structured_block, c_parser_omp_atomic, c_parser_omp_barrier, c_parser_omp_critical, c_parser_omp_flush, c_parser_omp_for_loop, c_parser_omp_for, c_parser_omp_master, c_parser_omp_ordered, c_parser_omp_sections_scope, c_parser_omp_sections, c_parser_omp_parallel, c_parser_omp_single, c_parser_omp_construct, c_parser_omp_threadprivate): New. * c-pragma.c (init_pragma): Do omp pragma registration here. * c.opt (fopenmp): New flag. 2006-01-18 Eric Christopher <echristo@apple.com> * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif. * config/darwin.h (GOMP_SELF_SPECS): Define. testsuite/ 2006-01-18 Richard Henderson <rth@redhat.com> Aldy Hernandez <aldyh@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> Uros Bizjak <uros@kss-loka.si> * testsuite/gcc.dg/gomp: New directory. From-SVN: r109902
2006-01-18 20:21:25 +01:00
SPECIFIED is a combination of the NUM_THREADS clause and the IF clause.
If the IF clause is false, SPECIFIED is forced to 1. When NUM_THREADS
is not present, SPECIFIED is 0. */
unsigned
c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805. * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805. * langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause. Add omp_private_outer_ref hook, add another argument to omp_clause_default_ctor hook. * langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define. (LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define. (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to hook_tree_tree_tree_tree_null. (LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and LANG_HOOKS_OMP_PRIVATE_OUTER_REF. * hooks.c (hook_tree_tree_tree_tree_null): New function. * hooks.h (hook_tree_tree_tree_tree_null): New prototype. * tree.def (OMP_TASK): New tree code. * tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN, OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT, OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES, OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY, OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG, OMP_CLAUSE_COLLAPSE_EXPR): Define. (enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. (OMP_DIRECTIVE_P): Add OMP_TASK. (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes. (OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind. * tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED entries. (omp_clause_num_ops): Likewise. Increase OMP_CLAUSE_LASTPRIVATE num_ops to 2. (walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Walk OMP_CLAUSE_LASTPRIVATE_STMT. * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. (dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops. * c-omp.c (c_finish_omp_for): Allow pointer iterators. Remove warning about unsigned iterators. Change decl/init/cond/incr arguments to TREE_VECs, check arguments for all collapsed loops. (c_finish_omp_taskwait): New function. (c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to ws_clauses. * c-parser.c (c_parser_omp_for_loop): Parse collapsed loops. Call default_function_array_conversion on init. Add par_clauses argument. If decl is present in parallel's lastprivate clause, change it to shared and add lastprivate clause for decl to OMP_FOR_CLAUSES. Add clauses argument, on success set OMP_FOR_CLAUSES to it. Look up collapse count in clauses. (c_parser_omp_for, c_parser_omp_parallel): Adjust c_parser_omp_for_loop callers. (OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE. (c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT. (c_parser_omp_clause_name): Handle collapse and untied clauses. (c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New functions. (c_parser_omp_clause_schedule): Handle schedule(auto). Include correct location in the error message. (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE and PRAGMA_OMP_CLAUSE_UNTIED. (OMP_TASK_CLAUSE_MASK): Define. (c_parser_omp_task, c_parser_omp_taskwait): New functions. (c_parser_omp_construct): Handle PRAGMA_OMP_TASK. * tree-nested.c (convert_nonlocal_omp_clauses, convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE, OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in OMP_CLAUSE_DECL. (conver_nonlocal_reference, convert_local_reference, convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL. Use OMP_TASKREG_* macros rather than OMP_PARALLEL_*. (walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes. * tree-gimple.c (is_gimple_stmt): Handle OMP_TASK. * c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes. * c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New. (PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New. * c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions. (c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. * c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas. * c-common.h (c_finish_omp_taskwait): New prototype. * gimple-low.c (lower_stmt): Handle OMP_TASK. * tree-parloops.c (create_parallel_loop): Create 1 entry vectors for OMP_FOR_{INIT,COND,INCR}. * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers. (make_edges): Handle OMP_TASK. * tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. * tree-inline.c (estimate_num_insns_1): Handle OMP_TASK. * builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR, BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New. * omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT, BUILT_IN_GOMP_LOOP_ULL_STATIC_START, BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ULL_GUIDED_START, BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins. * gimplify.c (gimplify_omp_for): Allow pointer type for decl, handle POINTER_PLUS_EXPR. If loop counter has been replaced and original iterator is present in lastprivate clause or if collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT. Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. (gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK. (enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF. (omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed, if it is set, lookup var in outer contexts too. Handle OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. Handle vars that are supposed to be implicitly determined firstprivate for task regions. (gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed, if it is set, lookup var in outer contexts too. Set OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set. Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Take region_type as last argument instead of in_parallel and in_combined_parallel. (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare): Adjust callers. (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set. Call omp_finish_clause langhook. (new_omp_context): Set default_kind to OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions. (omp_region_type): New enum. (struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel fields, add region_type. (new_omp_context): Take region_type as argument instead of is_parallel and is_combined_parallel. (gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable, omp_is_private, omp_check_private): Adjust ctx->is_parallel and ctx->is_combined_parallel checks. (gimplify_omp_task): New function. (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. * omp-low.c (extract_omp_for_data): Use schedule(static) for schedule(auto). Handle pointer and unsigned iterators. Compute fd->iter_type. Handle POINTER_PLUS_EXPR increments. Add loops argument. Extract data for collapsed OMP_FOR loops. (expand_parallel_call): Assert sched_kind isn't auto, map runtime schedule to index 3. (struct omp_for_data_loop): New type. (struct omp_for_data): Remove v, n1, n2, step, cond_code fields. Add loop, loops, collapse and iter_type fields. (workshare_safe_to_combine_p): Disallow combined for if iter_type is unsigned long long. Don't combine collapse > 1 loops unless all bounds and steps are constant. Adjust extract_omp_for_data caller. (expand_omp_for_generic): Handle pointer, unsigned and long long iterators. Handle collapsed OMP_FOR loops. Adjust for struct omp_for_data changes. If libgomp function doesn't return boolean_type_node, add comparison of the return value with 0. (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle pointer, unsigned and long long iterators. Adjust for struct omp_for_data changes. (expand_omp_for): Assert sched_kind isn't auto, map runtime schedule to index 3. Use GOMP_loop_ull*{start,next} if iter_type is unsigned long long. Allocate loops array, pass it to extract_omp_for_data. For collapse > 1 loops use always expand_omp_for_generic. (omp_context): Add sfield_map and srecord_type fields. (is_task_ctx, lookup_sfield): New functions. (use_pointer_for_field): Use is_task_ctx helper. Change first argument's type from const_tree to tree. Clarify comment. In OMP_TASK disallow copy-in/out sharing. (build_sender_ref): Call lookup_sfield instead of lookup_field. (install_var_field): Add mask argument. Populate both record_type and srecord_type if needed. (delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN in srecord_type. (fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT} and DECL_FIELD_OFFSET. (scan_sharing_clauses): Adjust install_var_field callers. For firstprivate clauses on explicit tasks allocate the var by value in record_type unconditionally, rather than by reference. Handle OMP_CLAUSE_PRIVATE_OUTER_REF. Scan OMP_CLAUSE_LASTPRIVATE_STMT. Use is_taskreg_ctx instead of is_parallel_ctx. Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. (create_omp_child_function_name): Add task_copy argument, use *_omp_cpyfn* names if it is true. (create_omp_child_function): Add task_copy argument, if true create *_omp_cpyfn* helper function. (scan_omp_parallel): Adjust create_omp_child_function callers. Rename parallel_nesting_level to taskreg_nesting_level. (scan_omp_task): New function. (lower_rec_input_clauses): Don't run constructors for firstprivate explicit task vars which are initialized by *_omp_cpyfn*. Pass outer var ref to omp_clause_default_ctor hook if OMP_CLAUSE_PRIVATE_OUTER_REF or OMP_CLAUSE_LASTPRIVATE. Replace OMP_CLAUSE_REDUCTION_PLACEHOLDER decls in OMP_CLAUSE_REDUCTION_INIT. (lower_send_clauses): Clear DECL_ABSTRACT_ORIGIN if in task to avoid duplicate setting of fields. Handle OMP_CLAUSE_PRIVATE_OUTER_REF. (lower_send_shared_vars): Use srecord_type if non-NULL. Don't copy-out if TREE_READONLY, only copy-in. (expand_task_copyfn): New function. (expand_task_call): New function. (struct omp_taskcopy_context): New type. (task_copyfn_copy_decl, task_copyfn_remap_type, create_task_copyfn): New functions. (lower_omp_parallel): Rename to... (lower_omp_taskreg): ... this. Use OMP_TASKREG_* macros where needed. Call create_task_copyfn if srecord_type is needed. Adjust sender_decl type. (task_shared_vars): New variable. (check_omp_nesting_restrictions): Warn if work-sharing, barrier, master or ordered region is closely nested inside OMP_TASK. Add warnings for barrier if closely nested inside of work-sharing, ordered, or master region. (scan_omp_1): Call check_omp_nesting_restrictions even for GOMP_barrier calls. Rename parallel_nesting_level to taskreg_nesting_level. Handle OMP_TASK. (lower_lastprivate_clauses): Even if some lastprivate is found on a work-sharing construct, continue looking for them on parent parallel construct. (lower_omp_for_lastprivate): Add lastprivate clauses to the beginning of dlist rather than end. Adjust for struct omp_for_data changes. (lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY, not after it. Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller. (get_ws_args_for): Adjust extract_omp_for_data caller. (scan_omp_for): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. (lower_omp_single_simple): If libgomp function doesn't return boolean_type_node, add comparison of the return value with 0. (diagnose_sb_1, diagnose_sb_2): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. Handle OMP_TASK. (parallel_nesting_level): Rename to... (taskreg_nesting_level): ... this. (is_taskreg_ctx): New function. (build_outer_var_ref, omp_copy_decl): Use is_taskreg_ctx instead of is_parallel_ctx. (execute_lower_omp): Rename parallel_nesting_level to taskreg_nesting_level. (expand_omp_parallel): Rename to... (expand_omp_taskreg): ... this. Use OMP_TASKREG_* macros where needed. Call omp_task_call for OMP_TASK regions. (expand_omp): Adjust caller, handle OMP_TASK. (lower_omp_1): Adjust lower_omp_taskreg caller, handle OMP_TASK. * bitmap.c (bitmap_default_obstack_depth): New variable. (bitmap_obstack_initialize, bitmap_obstack_release): Do nothing if argument is NULL and bitmap_default_obstack is already initialized. * ipa-struct-reorg.c (do_reorg_1): Call bitmap_obstack_release at the end. * matrix-reorg.c (matrix_reorg): Likewise. cp/ * cp-tree.h (cxx_omp_finish_clause, cxx_omp_create_clause_info, dependent_omp_for_p, begin_omp_task, finish_omp_task, finish_omp_taskwait): New prototypes. (cxx_omp_clause_default_ctor): Add outer argument. (finish_omp_for): Add new clauses argument. * cp-gimplify.c (cxx_omp_finish_clause): New function. (cxx_omp_predetermined_sharing): Moved from semantics.c, rewritten. (cxx_omp_clause_default_ctor): Add outer argument. (cp_genericize_r): Walk OMP_CLAUSE_LASTPRIVATE_STMT. * cp-objcp-common.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define. * parser.c (cp_parser_omp_for_loop): Parse collapsed for loops. Add par_clauses argument. If decl is present in parallel's lastprivate clause, change that clause to shared and add a lastprivate clause for decl to OMP_FOR_CLAUSES. Fix wording of error messages. Adjust finish_omp_for caller. Add clauses argument. Parse loops with random access iterators. (cp_parser_omp_clause_collapse, cp_parser_omp_clause_untied): New functions. (cp_parser_omp_for, cp_parser_omp_parallel): Adjust cp_parser_omp_for_loop callers. (cp_parser_omp_for_cond, cp_parser_omp_for_incr): New helper functions. (cp_parser_omp_clause_name): Handle collapse and untied clauses. (cp_parser_omp_clause_schedule): Handle auto schedule. (cp_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE and PRAGMA_OMP_CLAUSE_UNTIED. (OMP_FOR_CLAUSE_MASK): Add PRAGMA_OMP_CLAUSE_COLLAPSE. (OMP_TASK_CLAUSE_MASK): Define. (cp_parser_omp_task, cp_parser_omp_taskwait): New functions. (cp_parser_omp_construct): Handle PRAGMA_OMP_TASK. (cp_parser_pragma): Handle PRAGMA_OMP_TASK and PRAGMA_OMP_TASKWAIT. * pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Handle OMP_CLAUSE_LASTPRIVATE_STMT. (tsubst_omp_for_iterator): New function. (dependent_omp_for_p): New function. (tsubst_expr) <case OMP_FOR>: Use it. Handle collapsed OMP_FOR loops. Adjust finish_omp_for caller. Handle loops with random access iterators. Adjust for OMP_FOR_{INIT,COND,INCR} changes. (tsubst_expr): Handle OMP_TASK. * semantics.c (cxx_omp_create_clause_info): New function. (finish_omp_clauses): Call it. Handle OMP_CLAUSE_UNTIED and OMP_CLAUSE_COLLAPSE. (cxx_omp_predetermined_sharing): Removed. * semantics.c (finish_omp_for): Allow pointer iterators. Use handle_omp_for_class_iterator and dependent_omp_for_p. Handle collapsed for loops. Adjust c_finish_omp_for caller. Add new clauses argument. Fix check for type dependent cond or incr. Set OMP_FOR_CLAUSES to clauses. Use cp_convert instead of fold_convert to convert incr amount to difference_type. Only fold if not in template. If decl is mentioned in lastprivate clause, set OMP_CLAUSE_LASTPRIVATE_STMT. Handle loops with random access iterators. Adjust for OMP_FOR_{INIT,COND,INCR} changes. (finish_omp_threadprivate): Allow static class members of the current class. (handle_omp_for_class_iterator, begin_omp_task, finish_omp_task, finish_omp_taskwait): New functions. * parser.c (cp_parser_binary_expression): Add prec argument. (cp_parser_assignment_expression): Adjust caller. * cp-tree.h (outer_curly_brace_block): New prototype. * decl.c (outer_curly_brace_block): No longer static. fortran/ * scanner.c (skip_free_comments, skip_fixed_comments): Handle tabs. * parse.c (next_free): Allow tab after !$omp. (decode_omp_directive): Handle !$omp task, !$omp taskwait and !$omp end task. (case_executable): Add ST_OMP_TASKWAIT. (case_exec_markers): Add ST_OMP_TASK. (gfc_ascii_statement): Handle ST_OMP_TASK, ST_OMP_END_TASK and ST_OMP_TASKWAIT. (parse_omp_structured_block, parse_executable): Handle ST_OMP_TASK. * gfortran.h (gfc_find_sym_in_expr): New prototype. (gfc_statement): Add ST_OMP_TASK, ST_OMP_END_TASK and ST_OMP_TASKWAIT. (gfc_omp_clauses): Add OMP_SCHED_AUTO to sched_kind, OMP_DEFAULT_FIRSTPRIVATE to default_sharing. Add collapse and untied fields. (gfc_exec_op): Add EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * f95-lang.c (LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, LANG_HOOKS_OMP_CLAUSE_DTOR, LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define. * trans.h (gfc_omp_clause_default_ctor): Add another argument. (gfc_omp_clause_copy_ctor, gfc_omp_clause_assign_op, gfc_omp_clause_dtor, gfc_omp_private_outer_ref): New prototypes. * types.def (BT_ULONGLONG, BT_PTR_ULONGLONG, BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_VOID_PTR_PTR, BT_PTR_FN_VOID_PTR_PTR, BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New. (BT_BOOL): Use integer type with BOOL_TYPE_SIZE rather than boolean_type_node. * dump-parse-tree.c (gfc_show_omp_node): Handle EXEC_OMP_TASK, EXEC_OMP_TASKWAIT, OMP_SCHED_AUTO, OMP_DEFAULT_FIRSTPRIVATE, untied and collapse clauses. (gfc_show_code_node): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * trans.c (gfc_trans_code): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * st.c (gfc_free_statement): Likewise. * resolve.c (gfc_resolve_blocks, resolve_code): Likewise. (find_sym_in_expr): Rename to... (gfc_find_sym_in_expr): ... this. No longer static. (resolve_allocate_expr, resolve_ordinary_assign): Adjust caller. * match.h (gfc_match_omp_task, gfc_match_omp_taskwait): New prototypes. * openmp.c (resolve_omp_clauses): Allow allocatable arrays in firstprivate, lastprivate, reduction, copyprivate and copyin clauses. (omp_current_do_code): Made static. (omp_current_do_collapse): New variable. (gfc_resolve_omp_do_blocks): Compute omp_current_do_collapse, clear omp_current_do_code and omp_current_do_collapse on return. (gfc_resolve_do_iterator): Handle collapsed do loops. (resolve_omp_do): Likewise, diagnose errorneous collapsed do loops. (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): Define. (gfc_match_omp_clauses): Handle default (firstprivate), schedule (auto), untied and collapse (n) clauses. (OMP_DO_CLAUSES): Add OMP_CLAUSE_COLLAPSE. (OMP_TASK_CLAUSES): Define. (gfc_match_omp_task, gfc_match_omp_taskwait): New functions. * trans-openmp.c (gfc_omp_private_outer_ref): New function. (gfc_omp_clause_default_ctor): Add outer argument. For allocatable arrays allocate them with the bounds of the outer var if outer var is allocated. (gfc_omp_clause_copy_ctor, gfc_omp_clause_assign_op, gfc_omp_clause_dtor): New functions. (gfc_trans_omp_array_reduction): If decl is allocatable array, allocate it with outer var's bounds in OMP_CLAUSE_REDUCTION_INIT and deallocate it in OMP_CLAUSE_REDUCTION_MERGE. (gfc_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED for assumed-size arrays. (gfc_trans_omp_do): Add par_clauses argument. If dovar is present in lastprivate clause and do loop isn't simple, set OMP_CLAUSE_LASTPRIVATE_STMT. If dovar is present in parallel's lastprivate clause, change it to shared and add lastprivate clause to OMP_FOR_CLAUSES. Handle collapsed do loops. (gfc_trans_omp_directive): Adjust gfc_trans_omp_do callers. (gfc_trans_omp_parallel_do): Likewise. Move collapse clause to OMP_FOR from OMP_PARALLEL. (gfc_trans_omp_clauses): Handle OMP_SCHED_AUTO, OMP_DEFAULT_FIRSTPRIVATE, untied and collapse clauses. (gfc_trans_omp_task, gfc_trans_omp_taskwait): New functions. (gfc_trans_omp_directive): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. gcc/testsuite/ * gcc.dg/gomp/collapse-1.c: New test. * gcc.dg/gomp/nesting-1.c: New test. * g++.dg/gomp/task-1.C: New test. * g++.dg/gomp/predetermined-1.C: New test. * g++.dg/gomp/tls-4.C: New test. * gfortran.dg/gomp/collapse1.f90: New test. * gfortran.dg/gomp/sharing-3.f90: New test. * gcc.dg/gomp/pr27499.c (foo): Remove is unsigned dg-warning. * g++.dg/gomp/pr27499.C (foo): Likewise. * g++.dg/gomp/for-16.C (foo): Likewise. * g++.dg/gomp/tls-3.C: Remove dg-error, add S::s definition. * g++.dg/gomp/pr34607.C: Adjust dg-error location. * g++.dg/gomp/for-16.C (foo): Add a new dg-error. * gcc.dg/gomp/appendix-a/a.35.4.c: Add dg-warning. * gcc.dg/gomp/appendix-a/a.35.6.c: Likewise. * gfortran.dg/gomp/appendix-a/a.35.4.f90: Likewise. * gfortran.dg/gomp/appendix-a/a.35.6.f90: Likewise. * gfortran.dg/gomp/omp_parse1.f90: Remove !$omp tab test. * gfortran.dg/gomp/appendix-a/a.33.4.f90: Remove dg-error about allocatable array. * gfortran.dg/gomp/reduction1.f90: Likewise. libgomp/ * configure.ac (LIBGOMP_GNU_SYMBOL_VERSIONING): New AC_DEFINE. Substitute also OMP_*LOCK_25*. * configure: Regenerated. * config.h.in: Regenerated. * Makefile.am (libgomp_la_SOURCES): Add loop_ull.c, iter_ull.c, ptrlock.c and task.c. * Makefile.in: Regenerated. * testsuite/Makefile.in: Regenerated. * task.c: New file. * loop_ull.c: New file. * iter_ull.c: New file. * libgomp.h: Include ptrlock.h. (enum gomp_task_kind): New type. (struct gomp_team): Add task_lock, task_queue, task_count, task_running_count, single_count fields. Add work_share_list_free_lock ifndef HAVE_SYNC_BUILTINS. Remove work_share_lock, generation_mask, oldest_live_gen, num_live_gen and init_work_shares fields, add work work_share_list_alloc, work_share_list_free and work_share_chunk fields. Change work_shares from pointer to pointers into an array. Change ordered_release field into gomp_sem_t ** from flexible array member. Add implicit_task and initial_work_shares fields. Move close to the end of the struct. (struct gomp_team_state): Add single_count, last_work_share, active_level and level fields, remove work_share_generation. (gomp_barrier_handle_tasks): New prototype. (gomp_finish_task): New inline function. (struct gomp_work_share): Move chunk_size, end, incr into transparent union/struct, add chunk_size_ull, end_ll, incr_ll and next_ll fields. Reshuffle fields. Add next_alloc, next_ws, next_free and inline_ordered_team_ids fields, change ordered_team_ids into pointer from flexible array member. Add mode field. Put lock and next into a different cache line from most of the write-once fields. (gomp_iter_ull_static_next, gomp_iter_ull_dynamic_next_locked, gomp_iter_ull_guided_next_locked, gomp_iter_ull_dynamic_next, gomp_iter_ull_guided_next): New prototypes. (gomp_new_icv): New prototype. (struct gomp_thread): Add thread_pool and task fields. (struct gomp_thread_pool): New type. (gomp_new_team): New prototype. (gomp_team_start): Change type of last argument. (gomp_new_work_share): Removed. (gomp_init_work_share, gomp_fini_work_share): New prototypes. (gomp_work_share_init_done): New static inline. (gomp_throttled_spin_count_var, gomp_available_cpus, gomp_managed_threads): New extern decls. (gomp_init_task): New prototype. (gomp_spin_count_var): New extern var decl. (LIBGOMP_GNU_SYMBOL_VERSIONING): Undef if no visibility or no alias support, or if not PIC. (gomp_init_lock_30, gomp_destroy_lock_30, gomp_set_lock_30, gomp_unset_lock_30, gomp_test_lock_30, gomp_init_nest_lock_30, gomp_destroy_nest_lock_30, gomp_set_nest_lock_30, gomp_unset_nest_lock_30, gomp_test_nest_lock_30, gomp_init_lock_25, gomp_destroy_lock_25, gomp_set_lock_25, gomp_unset_lock_25, gomp_test_lock_25, gomp_init_nest_lock_25, gomp_destroy_nest_lock_25, gomp_set_nest_lock_25, gomp_unset_nest_lock_25, gomp_test_nest_lock_25): New prototypes. (omp_lock_symver, strong_alias): Define. (gomp_remaining_threads_count, gomp_remaining_threads_lock): New decls. (gomp_end_task): New. (struct gomp_task_icv, gomp_global_icv): New. (gomp_thread_limit_var, gomp_max_active_levels_var): New. (struct gomp_task): New. (gomp_nthreads_var, gomp_dyn_var, gomp_nest_var, gomp_run_sched_var, gomp_run_sched_chunk): Remove. (gomp_icv): New. (gomp_schedule_type): Reorder enum to match omp_sched_t. * team.c (struct gomp_thread_start_data): Add thread_pool and task fields. (gomp_thread_start): Add gomp_team_barrier_wait call. For non-nested case remove clearing of docked thread thr fields. Use pool fields instead of global gomp_* variables. Use gomp_barrier_wait_last when needed. Initialize ts.active_level. Create tasks for each member thread. (free_team): Only destroy team barrier, task_lock here and free it. (gomp_free_thread): Free last_team if non-NULL. (gomp_team_end): Call gomp_team_barrier_wait instead of gomp_barrier_wait. For nested case call one extra gomp_barrier_wait. Move here some destruction from free_team. Call free_team on pool->last_team if any, rather than freeing current team. Destroy work_share_list_free_lock ifndef HAVE_SYNC_BUILTINS. (gomp_new_icv): New function. (gomp_threads, gomp_threads_size, gomp_threads_used, gomp_threads_dock): Removed. (gomp_thread_destructor): New variable. (gomp_new_thread_pool, gomp_free_pool_helper, gomp_free_thread): New functions. (gomp_team_start): Create new pool if current thread doesn't have one. Use pool fields instead of global gomp_* variables. Initialize thread_pool field for new threads. Clear single_count. Change last argument from ws to team, don't create new team, set ts.work_share to &team->work_shares[0] and clear ts.last_work_share. Don't clear ts.work_share_generation. If number of threads changed, adjust atomically gomp_managed_threads. Use gomp_init_task instead of gomp_new_task, set thr->task to the corresponding implicit_task array entry. Create tasks for each member thread. Initialize ts.level. (initialize_team): Call pthread_key_create on gomp_thread_destructor. (team_destructor): New function. (new_team): Removed. (gomp_new_team): New function. (free_team): Free gomp_work_share blocks chained through next_alloc, instead of freeing work_shares and destroying work_share_lock. (gomp_team_end): Call gomp_fini_work_share. If number of threads changed, adjust atomically gomp_managed_threads. Use gomp_end_task. * barrier.c (GOMP_barrier): Call gomp_team_barrier_wait instead of gomp_barrier_wait. * single.c (GOMP_single_copy_start): Call gomp_team_barrier_wait instead of gomp_barrier_wait. Call gomp_work_share_init_done if gomp_work_share_start returned true. Don't unlock ws->lock. (GOMP_single_copy_end): Call gomp_team_barrier_wait instead of gomp_barrier_wait. (GOMP_single_start): Rewritten if HAVE_SYNC_BUILTINS. Call gomp_work_share_init_done if gomp_work_share_start returned true. Don't unlock ws->lock. * work.c: Include stddef.h. (free_work_share): Use work_share_list_free_lock instead of atomic chaining ifndef HAVE_SYNC_BUILTINS. Add team argument. Call gomp_fini_work_share and then either free ws if orphaned, or put it into work_share_list_free list of the current team. (alloc_work_share, gomp_init_work_share, gomp_fini_work_share): New functions. (gomp_work_share_start, gomp_work_share_end, gomp_work_share_end_nowait): Rewritten. * omp_lib.f90.in Change some tabs to spaces to prevent warnings. (openmp_version): Set to 200805. (omp_sched_kind, omp_sched_static, omp_sched_dynamic, omp_sched_guided, omp_sched_auto): New parameters. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New interfaces. * omp_lib.h.in (openmp_version): Set to 200805. (omp_sched_kind, omp_sched_static, omp_sched_dynamic, omp_sched_guided, omp_sched_auto): New parameters. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New externals. * loop.c: Include limits.h. (GOMP_loop_runtime_next, GOMP_loop_ordered_runtime_next): Handle GFS_AUTO. (GOMP_loop_runtime_start, GOMP_loop_ordered_runtime_start): Likewise. Use gomp_icv. (gomp_loop_static_start, gomp_loop_dynamic_start): Clear ts.static_trip here. (gomp_loop_static_start, gomp_loop_ordered_static_start): Call gomp_work_share_init_done after gomp_loop_init. Don't unlock ws->lock. (gomp_loop_dynamic_start, gomp_loop_guided_start): Call gomp_work_share_init_done after gomp_loop_init. If HAVE_SYNC_BUILTINS, don't unlock ws->lock, otherwise lock it. (gomp_loop_ordered_dynamic_start, gomp_loop_ordered_guided_start): Call gomp_work_share_init_done after gomp_loop_init. Lock ws->lock. (gomp_parallel_loop_start): Call gomp_new_team instead of gomp_new_work_share. Call gomp_loop_init on &team->work_shares[0]. Adjust gomp_team_start caller. Pass 0 as second argument to gomp_resolve_num_threads. (gomp_loop_init): For GFS_DYNAMIC, multiply ws->chunk_size by incr. If adding ws->chunk_size nthreads + 1 times after end won't overflow, set ws->mode to 1. * libgomp_g.h (GOMP_loop_ull_static_start, GOMP_loop_ull_dynamic_start, GOMP_loop_ull_guided_start, GOMP_loop_ull_runtime_start, GOMP_loop_ull_ordered_static_start, GOMP_loop_ull_ordered_dynamic_start, GOMP_loop_ull_ordered_guided_start, GOMP_loop_ull_ordered_runtime_start, GOMP_loop_ull_static_next, GOMP_loop_ull_dynamic_next, GOMP_loop_ull_guided_next, GOMP_loop_ull_runtime_next, GOMP_loop_ull_ordered_static_next, GOMP_loop_ull_ordered_dynamic_next, GOMP_loop_ull_ordered_guided_next, GOMP_loop_ull_ordered_runtime_next, GOMP_task, GOMP_taskwait): New prototypes. * libgomp.map: Export lock routines also @@OMP_2.0. (GOMP_loop_ordered_dynamic_first, GOMP_loop_ordered_guided_first, GOMP_loop_ordered_runtime_first, GOMP_loop_ordered_static_first): Remove. (GOMP_loop_ull_dynamic_next, GOMP_loop_ull_dynamic_start, GOMP_loop_ull_guided_next, GOMP_loop_ull_guided_start, GOMP_loop_ull_ordered_dynamic_next, GOMP_loop_ull_ordered_dynamic_start, GOMP_loop_ull_ordered_guided_next, GOMP_loop_ull_ordered_guided_start, GOMP_loop_ull_ordered_runtime_next, GOMP_loop_ull_ordered_runtime_start, GOMP_loop_ull_ordered_static_next, GOMP_loop_ull_ordered_static_start, GOMP_loop_ull_runtime_next, GOMP_loop_ull_runtime_start, GOMP_loop_ull_static_next, GOMP_loop_ull_static_start, GOMP_task, GOMP_taskwait): Export @@GOMP_2.0. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level, omp_set_schedule_, omp_set_schedule_8_, omp_get_schedule_, omp_get_schedule_8_, omp_get_thread_limit_, omp_set_max_active_levels_, omp_set_max_active_levels_8_, omp_get_max_active_levels_, omp_get_level_, omp_get_ancestor_thread_num_, omp_get_ancestor_thread_num_8_, omp_get_team_size_, omp_get_team_size_8_, omp_get_active_level_): New exports @@OMP_3.0. * omp.h.in (omp_sched_t): New type. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New prototypes. * env.c (gomp_spin_count_var, gomp_throttled_spin_count_var, gomp_available_cpus, gomp_managed_threads, gomp_max_active_levels_var, gomp_thread_limit_var, gomp_remaining_threads_count, gomp_remaining_threads_lock): New variables. (parse_spincount): New function. (initialize_env): Call gomp_init_num_threads unconditionally. Initialize gomp_available_cpus. Call parse_spincount, initialize gomp_{,throttled_}spin_count_var depending on presence and value of OMP_WAIT_POLICY and GOMP_SPINCOUNT env vars. Handle GOMP_BLOCKTIME env var. Handle OMP_WAIT_POLICY, OMP_MAX_ACTIVE_LEVELS, OMP_THREAD_LIMIT, OMP_STACKSIZE env vars. Handle unit specification for GOMP_STACKSIZE. Initialize gomp_remaining_threads_count and gomp_remaining_threads_lock if needed. Use gomp_global_icv. (gomp_nthreads_var, gomp_dyn_var, gomp_nest_var, gomp_run_sched_var, gomp_run_sched_chunk): Remove. (gomp_global_icv): New. (parse_schedule): Use it. Parse "auto". (omp_set_num_threads): Use gomp_icv. (omp_set_dynamic, omp_get_dynamic, omp_set_nested, omp_get_nested): Likewise. (omp_get_max_threads): Move from parallel.c. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels): New functions, add ialias. (parse_stacksize, parse_wait_policy): New functions. * fortran.c: Rewrite lock wrappers, if symbol versioning provide both wrappers for compatibility and new locks. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New ialias_redirect. (omp_set_schedule_, omp_set_schedule_8_, omp_get_schedule_, omp_get_schedule_8_, omp_get_thread_limit_, omp_set_max_active_levels_, omp_set_max_active_levels_8_, omp_get_max_active_levels_, omp_get_level_, omp_get_ancestor_thread_num_, omp_get_ancestor_thread_num_8_, omp_get_team_size_, omp_get_team_size_8_, omp_get_active_level_): New functions. * parallel.c: Include limits.h. (gomp_resolve_num_threads): Add count argument. Rewritten. (GOMP_parallel_start): Call gomp_new_team and pass that as last argument to gomp_team_start. Pass 0 as second argument to gomp_resolve_num_threads. (GOMP_parallel_end): Decrease gomp_remaining_threads_count if gomp_thread_limit_var != ULONG_MAX. (omp_in_parallel): Implement using ts.active_level. (omp_get_max_threads): Move to env.c. (omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New functions, add ialias. * sections.c (GOMP_sections_start): Call gomp_work_share_init_done after gomp_sections_init. If HAVE_SYNC_BUILTINS, call gomp_iter_dynamic_next instead of the _locked variant and don't take lock around it, otherwise acquire it before calling gomp_iter_dynamic_next_locked. (GOMP_sections_next): If HAVE_SYNC_BUILTINS, call gomp_iter_dynamic_next instead of the _locked variant and don't take lock around it. (GOMP_parallel_sections_start): Call gomp_new_team instead of gomp_new_work_share. Call gomp_sections_init on &team->work_shares[0]. Adjust gomp_team_start caller. Pass count as second argument to gomp_resolve_num_threads, don't adjust num_threads after the call. Use gomp_icv. * iter.c (gomp_iter_dynamic_next_locked): Don't multiply ws->chunk_size by incr. (gomp_iter_dynamic_next): Likewise. If ws->mode, use more efficient code. * libgomp_f.h.in (omp_lock_25_arg_t, omp_nest_lock_25_arg_t): New types. (omp_lock_25_arg, omp_nest_lock_25_arg): New macros. (omp_check_defines): Check even the compat defines. * config/linux/ptrlock.c: New file. * config/linux/ptrlock.h: New file. * config/linux/wait.h: New file. * config/posix/ptrlock.c: New file. * config/posix/ptrlock.h: New file. * config/linux/bar.h (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New prototypes. (gomp_team_barrier_set_task_pending, gomp_team_barrier_clear_task_pending, gomp_team_barrier_set_waiting_for_tasks, gomp_team_barrier_waiting_for_tasks, gomp_team_barrier_done): New inlines. (gomp_barrier_t): Rewritten. (gomp_barrier_state_t): New typedef. (gomp_barrier_init, gomp_barrier_reinit, gomp_barrier_destroy, gomp_barrier_wait_start): Rewritten. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_barrier_last_thread, gomp_barrier_wait_last): New static inlines. * config/linux/bar.c: Include wait.h instead of libgomp.h and futex.h. (gomp_barrier_wait_end): Rewritten. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake, gomp_barrier_wait_last): New functions. * config/posix/bar.h (gomp_barrier_t): Add generation field. (gomp_barrier_state_t): New typedef. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New prototypes. (gomp_barrier_wait_start): Or all but low 2 bits from generation into the return value. Return gomp_barrier_state_t. (gomp_team_barrier_set_task_pending, gomp_team_barrier_clear_task_pending, gomp_team_barrier_set_waiting_for_tasks, gomp_team_barrier_waiting_for_tasks, gomp_team_barrier_done): New inlines. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_barrier_last_thread, gomp_barrier_wait_last): New static inlines. * config/posix/bar.c (gomp_barrier_init): Clear generation field. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New functions. * config/linux/mutex.c: Include wait.h instead of libgomp.h and futex.h. (gomp_futex_wake, gomp_futex_wait): New variables. (gomp_mutex_lock_slow): Call do_wait instead of futex_wait. * config/linux/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. Include wait.h instead of libgomp.h and futex.h. (gomp_set_nest_lock_25): Call do_wait instead of futex_wait. * config/posix95/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. * config/posix/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. * config/linux/proc.c (gomp_init_num_threads): Use gomp_global_icv. (get_num_procs, gomp_dynamic_max_threads): Use gomp_icv. * config/posix/proc.c, config/mingw32/proc.c: Similarly. * config/linux/powerpc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/alpha/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/x86/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/s390/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/ia64/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/sparc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/sem.c: Include wait.h instead of libgomp.h and futex.h. (gomp_sem_wait_slow): Call do_wait instead of futex_wait. * config/linux/affinity.c: Assume HAVE_SYNC_BUILTINS. * config/linux/omp-lock.h (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_nest_lock_t): Change owner into void *, add lock field. * config/posix95/omp-lock.h: Include semaphore.h. (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_lock_t): Use sem_t instead of mutex if semaphores aren't broken. (omp_nest_lock_t): Likewise. Change owner to void *. * config/posix/omp-lock.h: Include semaphore.h. (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_lock_t): Use sem_t instead of mutex if semaphores aren't broken. (omp_nest_lock_t): Likewise. Add owner field. * testsuite/libgomp.c/collapse-1.c: New test. * testsuite/libgomp.c/collapse-2.c: New test. * testsuite/libgomp.c/collapse-3.c: New test. * testsuite/libgomp.c/icv-1.c: New test. * testsuite/libgomp.c/icv-2.c: New test. * testsuite/libgomp.c/lib-2.c: New test. * testsuite/libgomp.c/lock-1.c: New test. * testsuite/libgomp.c/lock-2.c: New test. * testsuite/libgomp.c/lock-3.c: New test. * testsuite/libgomp.c/loop-4.c: New test. * testsuite/libgomp.c/loop-5.c: New test. * testsuite/libgomp.c/loop-6.c: New test. * testsuite/libgomp.c/loop-7.c: New test. * testsuite/libgomp.c/loop-8.c: New test. * testsuite/libgomp.c/loop-9.c: New test. * testsuite/libgomp.c/nested-3.c: New test. * testsuite/libgomp.c/nestedfn-6.c: New test. * testsuite/libgomp.c/sort-1.c: New test. * testsuite/libgomp.c/task-1.c: New test. * testsuite/libgomp.c/task-2.c: New test. * testsuite/libgomp.c/task-3.c: New test. * testsuite/libgomp.c/task-4.c: New test. * testsuite/libgomp.c++/c++.exp: Add libstdc++-v3 build includes to C++ testsuite default compiler options. * testsuite/libgomp.c++/collapse-1.C: New test. * testsuite/libgomp.c++/collapse-2.C: New test. * testsuite/libgomp.c++/ctor-10.C: New test. * testsuite/libgomp.c++/for-1.C: New test. * testsuite/libgomp.c++/for-2.C: New test. * testsuite/libgomp.c++/for-3.C: New test. * testsuite/libgomp.c++/for-4.C: New test. * testsuite/libgomp.c++/for-5.C: New test. * testsuite/libgomp.c++/loop-8.C: New test. * testsuite/libgomp.c++/loop-9.C: New test. * testsuite/libgomp.c++/loop-10.C: New test. * testsuite/libgomp.c++/task-1.C: New test. * testsuite/libgomp.c++/task-2.C: New test. * testsuite/libgomp.c++/task-3.C: New test. * testsuite/libgomp.c++/task-4.C: New test. * testsuite/libgomp.c++/task-5.C: New test. * testsuite/libgomp.c++/task-6.C: New test. * testsuite/libgomp.fortran/allocatable1.f90: New test. * testsuite/libgomp.fortran/allocatable2.f90: New test. * testsuite/libgomp.fortran/allocatable3.f90: New test. * testsuite/libgomp.fortran/allocatable4.f90: New test. * testsuite/libgomp.fortran/collapse1.f90: New test. * testsuite/libgomp.fortran/collapse2.f90: New test. * testsuite/libgomp.fortran/collapse3.f90: New test. * testsuite/libgomp.fortran/collapse4.f90: New test. * testsuite/libgomp.fortran/lastprivate1.f90: New test. * testsuite/libgomp.fortran/lastprivate2.f90: New test. * testsuite/libgomp.fortran/lib4.f90: New test. * testsuite/libgomp.fortran/lock-1.f90: New test. * testsuite/libgomp.fortran/lock-2.f90: New test. * testsuite/libgomp.fortran/nested1.f90: New test. * testsuite/libgomp.fortran/nestedfn4.f90: New test. * testsuite/libgomp.fortran/strassen.f90: New test. * testsuite/libgomp.fortran/tabs1.f90: New test. * testsuite/libgomp.fortran/tabs2.f: New test. * testsuite/libgomp.fortran/task1.f90: New test. * testsuite/libgomp.fortran/task2.f90: New test. * testsuite/libgomp.fortran/vla4.f90: Add dg-warning. * testsuite/libgomp.fortran/vla5.f90: Likewise. * testsuite/libgomp.c/pr26943-2.c: Likewise. * testsuite/libgomp.c/pr26943-3.c: Likewise. * testsuite/libgomp.c/pr26943-4.c: Likewise. Co-Authored-By: Jakob Blomer <jakob.blomer@ira.uka.de> Co-Authored-By: Richard Henderson <rth@redhat.com> Co-Authored-By: Ulrich Drepper <drepper@redhat.com> From-SVN: r136433
2008-06-06 15:01:54 +02:00
gomp_resolve_num_threads (unsigned specified, unsigned count)
[multiple changes] 2006-01-18 Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * libgomp: New directory. * Makefile.def: Add target_module libgomp. * Makefile.in: Regenerate. * configure.in (target_libraries): Add target-libgomp. * configure: Regenerate. contrib/ 2006-01-18 Richard Henderson <rth@redhat.com> Diego Novillo <dnovillo@redhat.com> * gcc_update (files_and_dependencies): Add libgomp files. gcc/ 2006-01-18 Richard Henderson <rth@redhat.com> Aldy Hernandez <aldyh@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * omp-low.c: New file. * c-omp.c: New file. 2006-01-18 Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * doc/invoke.texi: Document -fopenmp. * tree-dump.h (debug_function): Declare. * hooks.c (hook_bool_tree_bool_false): New function. (hook_tree_tree_null): Remove. (hook_tree_tree_tree_null): New. * hooks.h: Update to match. * tree-pretty-print.c (debug_tree_chain): New. (print_generic_expr): Handle TDF_CHAIN. (dump_generic_node): Handle BLOCK. Do not abort with incomplete SWITCH_EXPRs. Do not dump body of an OpenMP directive if TDF_SLIM is given. <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't print space after directive name. <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY. Handle OMP_MASTER and OMP_ORDERED. Handle printing of OMP_BODY just in one place, goto dump_omp_body in the rest of OMP_* nodes that have OMP_BODY. Don't handle clause nodes here. Update omp statements to use dump_omp_clauses. Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION, OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC, OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF, GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED, GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE, GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE. Adjust output for GOMP_PARALLEL. (dump_omp_clauses): New. (print_declaration): Dump DECL_VALUE_EXPR. (op_symbol_1): Split out of op_symbol. (dumping_stmts): Remove. Update all users. * cgraph.c (cgraph_analyze_queue): New. (cgraph_add_new_function): New. * cgraph.h (cgraph_analyze_queue): Declare. (cgraph_add_new_function): Declare. (cgraph_lower_function): Remove. * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_* nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS and TYPE_P nodes in its default clause. (empty_body_p): New. (tree_range_check_failed): New. (build5_stat): New. * tree.h (OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE, OMP_CLAUSE_REDUCTION_PLACEHOLDER, OMP_CLAUSE_PRIVATE_DEBUG, OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY, OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY, OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND, OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL, OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR, OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT, OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT, OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC, OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST, OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY, OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY, OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New. (TREE_RANGE_CHECK): New. (empty_body_p): Declare. (enum omp_clause_default_kind): New. (build_string_literal): Declare. (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New. (build5_stat, build5): Declare. * tree-pass.h (TDF_CHAIN): Define. * tree-pass.h (PROP_gimple_lomp): Define. (pass_lower_omp): Declare. * diagnostic.h (debug_tree_chain): Declare. * builtins.c (get_builtin_sync_mode): Use 0 as last argument to mode_for_size. (expand_builtin): Handle sync BUILT_IN_*_16 builtins. * builtins.c (build_string_literal): Make extern. * gcc.c (include_spec_function): New. (static_spec_functions): Add it. (main): Move load of libgomp.spec ... (LINK_COMMAND_SPEC): ... here. (link_gomp_spec): New. (static_specs): Include it. (LINK_COMMAND_SPEC): Add link_gomp. (GOMP_SELF_SPECS): New. (driver_self_specs): Include it. (switch_matches): Don't mark inline. (main): Load libgomp.spec. * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION, and OMP_SINGLE, OMP_FOR and OMP_PARALLEL. * tree-gimple.h (enum omp_parallel): Declare. (determine_parallel_type): Declare. (omp_firstprivatize_variable): Declare. (omp_reduction_init): Declare. (diagnose_omp_structured_block_errors): Declare. (struct walk_stmt_info): Add want_return_expr. (struct walk_stmt_info): Add want_bind_expr, want_locations. (find_omp_clause): Declare. (insert_field_into_struct): Declare. (struct walk_stmt_info): Move from tree-nested.c (walk_stmts): Declare. * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP to 200505. * cgraphunit.c (cgraph_lower_function): Make static. (cgraph_finalize_pending_functions): New. (cgraph_finalize_function): Call it. (cgraph_finalize_compilation_unit): Likewise. * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16, BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add. (BT_FN_UINT_UINT): New. (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7, DEF_FUNCTION_TYPE_VAR_4): Document. (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT, BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR, BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT, BT_FN_VOID_OMPFN_PTR_UINT_UINT, BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR, BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New. * builtins.def: Update DEF_BUILTIN comment to include COND argument. Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins into separate files. (DEF_GOMP_BUILTIN): New. (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER, BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END, BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END, BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START, BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START, BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START, BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START, BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START, BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT, 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_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT, BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END, BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END, BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT, BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END, BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START, BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New. * sync-builtins.def: New file, moved from builtins.def. * omp-builtins.def: New file, moved from builtins.def. * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine. * gimple-low.c (lower_function_body): Clear data. (lower_stmt): Do not handle COMPOUND_EXPR. Remove call to print_node_brief. * c-tree.h (c_finish_omp_clauses): New prototype. (C_DECL_THREADPRIVATE_P): Define. (lookup_name_no_remap, c_omp_remap_private): Remove (c_begin_omp_parallel, c_finish_omp_parallel): Update. (check_for_loop_decls): Update decl. (lookup_name_no_remap, c_omp_remap_private): Declare. (build_indirect_ref, build_modify_expr, pushdecl, pushdecl_top_level): Move to c-common.h. * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp before the switch, but just in the 2 places that need it. * c-decl.c (diagnose_mismatched_decls): Do not check for mismatched thread-local attributes when OLDDECL is marked threadprivate and NEWDECL has no thread-local attributes. (merge_decls): Merge C_DECL_THREADPRIVATE_P. (c_gimple_diagnostics_recursively): Rename from c_warn_unused_result_recursively. Invoke diagnose_omp_structured_block_errors. (check_for_loop_decls): Return a singular decl found. * langhooks.c (lhd_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls. (lhd_omp_firstprivatize_type_sizes): New. (lhd_omp_assignment): New. (lhd_omp_predetermined_sharing): New. * langhooks.h (struct gimplify_omp_ctx): Forward declare. (struct lang_hooks_for_types): Add omp_firstprivatize_type_sizes, omp_privatize_by_reference, omp_predetermined_sharing, omp_disregard_value_expr, omp_private_debug_clause, omp_clause_default_ctor, omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor. (c_finish_omp_clauses): New. (c_finish_bc_stmt): Diagnose break within omp for. (c_begin_omp_parallel, c_finish_omp_parallel): New. (build_unary_op): Return error_mark after reporting a readonly_error. (build_modify_expr): Likewise. * gimplify.c: Include optabs.h and pointer-set.h. (enum gimplify_omp_var_data): Declare. (struct gimplify_omp_ctx): Declare. (struct gimplify_ctx): Add fields prev_context, combined_pre_p and combined_ctxp. (gimplify_ctxp, gimplify_omp_ctxp): New local variables. (push_gimplify_context, pop_gimplify_context): Allow nesting. (splay_tree_compare_decl_uid): New. (new_omp_context): New. (delete_omp_context): New. (gimple_add_tmp_var): Call omp_add_variable. (gimplify_bind_expr): Likewise. (gimplify_var_or_parm_decl): If omp_notice_variable returned true, disregard DECL_VALUE_EXPR on the decl if any. (gimplify_expr_in_ctx): New. (omp_firstprivatize_variable, omp_firstprivatize_type_sizes omp_add_variable, omp_notice_variable, omp_is_private gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1 gimplify_adjust_omp_clauses, gimplify_omp_parallel gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p gimplify_omp_atomic_fetch_op, goa_stabilize_expr gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex gimplify_omp_atomic): New. (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS, OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL and OMP_ATOMIC. (gimplify_body): Verify gimplify_ctxp is empty after gimplification. * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER, PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR, PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED, PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR, PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION, PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE, PRAGMA_OMP_THREADPRIVATE. * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS, OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define. * print-tree.c (print_node): Dump DECL_VALUE_EXPR. * tree-ssa-dce.c (find_control_dependence): Do not assume that ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR). * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for OpenMP directives. (struct nesting_info): Add field_map, suppress_expansion, debug_var_chain. (create_nesting_tree): Initialize them. (lookup_field_for_decl): Use field_map. (get_nonlocal_debug_decl, get_local_debug_decl): New. (convert_local_omp_clauses): New. (finalize_nesting_tree_1): Add debug_var_chain to toplevel block. (walk_body): Split out of walk_function. (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New. (convert_nonlocal_reference): Handle omp statements. (convert_local_reference): Likewise. (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1. (unnest_nesting_tree): New. (lower_nested_functions): Call it. (insert_field_into_struct): Make extern. (struct walk_stmt_info): Move to tree-gimple.h. (walk_stmts): Make extern. * omp-builtins.def: New file. * tree-iterator.c (expr_only): Clarify comment. * c-common.h (pushdecl_top_level, pushdecl, build_modify_expr, build_indirect_ref, c_finish_omp_master, c_finish_omp_critical, c_finish_omp_ordered, c_finish_omp_barrier, c_finish_omp_atomic, c_finish_omp_flush, c_finish_omp_for, c_split_parallel_clauses, omp_clause_default_kind, c_omp_sharing_predetermined, c_omp_remap_decl): Declare. * Makefile.in (BUILTINS_DEF): Add omp-builtins.def. (OBJS-common): Add omp-low.o. (c-omp.o, omp-low.o): Add. (gimplify.o): Add dependency on $(OPTABS_H). (GTFILES): Add omp-low.c. (gt-stringpool.h): Add. * tree-cfg.c (set_bb_for_stmt): Do not update the block-to-labels map if we are currently expanding to RTL. (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P checks. Handle IDENTIFIER_NODE. (tree_verify_flow_info): Do not ICE when emitting error messages about invalid labels. (dump_function_to_file): Reset CFUN before emitting the body of the function. (debug_function): New. * passes.c (init_optimization_passes): Schedule pass_lower_omp. * langhooks-def.h (lhd_omp_predetermined_sharing, lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes): Declare. (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define. (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it. (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE, LANG_HOOKS_OMP_PREDETERMINED_SHARING, LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR, LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE, LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR, LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, LANG_HOOKS_OMP_CLAUSE_DTOR): Define. (LANG_HOOK_DECLS): Use them. 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com> Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * c-parser.c (pragma_omp_clause): Define. (c_parser_declaration_or_fndef): Document OpenMP syntax. (c_parser_compound_statement): Likewise. (c_parser_statement): Likewise. (c_parser_pragma): Handle omp pragmas. (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK, OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define. (c_parser_omp_clause_name, check_no_duplicate_clause, c_parser_omp_variable_list, c_parser_omp_var_list_parens, c_parser_omp_clause_copyin, c_parser_omp_clause_copyprivate, c_parser_omp_clause_default, c_parser_omp_clause_firstprivate, c_parser_omp_clause_if, c_parser_omp_clause_lastprivate, c_parser_omp_clause_nowait, c_parser_omp_clause_num_threads, c_parser_omp_clause_ordered, c_parser_omp_clause_private, c_parser_omp_clause_reduction, c_parser_omp_clause_schedule, c_parser_omp_clause_shared, c_parser_omp_all_clauses, c_parser_omp_structured_block, c_parser_omp_atomic, c_parser_omp_barrier, c_parser_omp_critical, c_parser_omp_flush, c_parser_omp_for_loop, c_parser_omp_for, c_parser_omp_master, c_parser_omp_ordered, c_parser_omp_sections_scope, c_parser_omp_sections, c_parser_omp_parallel, c_parser_omp_single, c_parser_omp_construct, c_parser_omp_threadprivate): New. * c-pragma.c (init_pragma): Do omp pragma registration here. * c.opt (fopenmp): New flag. 2006-01-18 Eric Christopher <echristo@apple.com> * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif. * config/darwin.h (GOMP_SELF_SPECS): Define. testsuite/ 2006-01-18 Richard Henderson <rth@redhat.com> Aldy Hernandez <aldyh@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> Uros Bizjak <uros@kss-loka.si> * testsuite/gcc.dg/gomp: New directory. From-SVN: r109902
2006-01-18 20:21:25 +01:00
{
c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805. * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805. * langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause. Add omp_private_outer_ref hook, add another argument to omp_clause_default_ctor hook. * langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define. (LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define. (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to hook_tree_tree_tree_tree_null. (LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and LANG_HOOKS_OMP_PRIVATE_OUTER_REF. * hooks.c (hook_tree_tree_tree_tree_null): New function. * hooks.h (hook_tree_tree_tree_tree_null): New prototype. * tree.def (OMP_TASK): New tree code. * tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN, OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT, OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES, OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY, OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG, OMP_CLAUSE_COLLAPSE_EXPR): Define. (enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. (OMP_DIRECTIVE_P): Add OMP_TASK. (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes. (OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind. * tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED entries. (omp_clause_num_ops): Likewise. Increase OMP_CLAUSE_LASTPRIVATE num_ops to 2. (walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Walk OMP_CLAUSE_LASTPRIVATE_STMT. * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. (dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops. * c-omp.c (c_finish_omp_for): Allow pointer iterators. Remove warning about unsigned iterators. Change decl/init/cond/incr arguments to TREE_VECs, check arguments for all collapsed loops. (c_finish_omp_taskwait): New function. (c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to ws_clauses. * c-parser.c (c_parser_omp_for_loop): Parse collapsed loops. Call default_function_array_conversion on init. Add par_clauses argument. If decl is present in parallel's lastprivate clause, change it to shared and add lastprivate clause for decl to OMP_FOR_CLAUSES. Add clauses argument, on success set OMP_FOR_CLAUSES to it. Look up collapse count in clauses. (c_parser_omp_for, c_parser_omp_parallel): Adjust c_parser_omp_for_loop callers. (OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE. (c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT. (c_parser_omp_clause_name): Handle collapse and untied clauses. (c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New functions. (c_parser_omp_clause_schedule): Handle schedule(auto). Include correct location in the error message. (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE and PRAGMA_OMP_CLAUSE_UNTIED. (OMP_TASK_CLAUSE_MASK): Define. (c_parser_omp_task, c_parser_omp_taskwait): New functions. (c_parser_omp_construct): Handle PRAGMA_OMP_TASK. * tree-nested.c (convert_nonlocal_omp_clauses, convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE, OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in OMP_CLAUSE_DECL. (conver_nonlocal_reference, convert_local_reference, convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL. Use OMP_TASKREG_* macros rather than OMP_PARALLEL_*. (walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes. * tree-gimple.c (is_gimple_stmt): Handle OMP_TASK. * c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes. * c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New. (PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New. * c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions. (c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. * c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas. * c-common.h (c_finish_omp_taskwait): New prototype. * gimple-low.c (lower_stmt): Handle OMP_TASK. * tree-parloops.c (create_parallel_loop): Create 1 entry vectors for OMP_FOR_{INIT,COND,INCR}. * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers. (make_edges): Handle OMP_TASK. * tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. * tree-inline.c (estimate_num_insns_1): Handle OMP_TASK. * builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR, BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New. * omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT, BUILT_IN_GOMP_LOOP_ULL_STATIC_START, BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ULL_GUIDED_START, BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins. * gimplify.c (gimplify_omp_for): Allow pointer type for decl, handle POINTER_PLUS_EXPR. If loop counter has been replaced and original iterator is present in lastprivate clause or if collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT. Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. (gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK. (enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF. (omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed, if it is set, lookup var in outer contexts too. Handle OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. Handle vars that are supposed to be implicitly determined firstprivate for task regions. (gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed, if it is set, lookup var in outer contexts too. Set OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set. Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Take region_type as last argument instead of in_parallel and in_combined_parallel. (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare): Adjust callers. (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set. Call omp_finish_clause langhook. (new_omp_context): Set default_kind to OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions. (omp_region_type): New enum. (struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel fields, add region_type. (new_omp_context): Take region_type as argument instead of is_parallel and is_combined_parallel. (gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable, omp_is_private, omp_check_private): Adjust ctx->is_parallel and ctx->is_combined_parallel checks. (gimplify_omp_task): New function. (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. * omp-low.c (extract_omp_for_data): Use schedule(static) for schedule(auto). Handle pointer and unsigned iterators. Compute fd->iter_type. Handle POINTER_PLUS_EXPR increments. Add loops argument. Extract data for collapsed OMP_FOR loops. (expand_parallel_call): Assert sched_kind isn't auto, map runtime schedule to index 3. (struct omp_for_data_loop): New type. (struct omp_for_data): Remove v, n1, n2, step, cond_code fields. Add loop, loops, collapse and iter_type fields. (workshare_safe_to_combine_p): Disallow combined for if iter_type is unsigned long long. Don't combine collapse > 1 loops unless all bounds and steps are constant. Adjust extract_omp_for_data caller. (expand_omp_for_generic): Handle pointer, unsigned and long long iterators. Handle collapsed OMP_FOR loops. Adjust for struct omp_for_data changes. If libgomp function doesn't return boolean_type_node, add comparison of the return value with 0. (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle pointer, unsigned and long long iterators. Adjust for struct omp_for_data changes. (expand_omp_for): Assert sched_kind isn't auto, map runtime schedule to index 3. Use GOMP_loop_ull*{start,next} if iter_type is unsigned long long. Allocate loops array, pass it to extract_omp_for_data. For collapse > 1 loops use always expand_omp_for_generic. (omp_context): Add sfield_map and srecord_type fields. (is_task_ctx, lookup_sfield): New functions. (use_pointer_for_field): Use is_task_ctx helper. Change first argument's type from const_tree to tree. Clarify comment. In OMP_TASK disallow copy-in/out sharing. (build_sender_ref): Call lookup_sfield instead of lookup_field. (install_var_field): Add mask argument. Populate both record_type and srecord_type if needed. (delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN in srecord_type. (fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT} and DECL_FIELD_OFFSET. (scan_sharing_clauses): Adjust install_var_field callers. For firstprivate clauses on explicit tasks allocate the var by value in record_type unconditionally, rather than by reference. Handle OMP_CLAUSE_PRIVATE_OUTER_REF. Scan OMP_CLAUSE_LASTPRIVATE_STMT. Use is_taskreg_ctx instead of is_parallel_ctx. Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. (create_omp_child_function_name): Add task_copy argument, use *_omp_cpyfn* names if it is true. (create_omp_child_function): Add task_copy argument, if true create *_omp_cpyfn* helper function. (scan_omp_parallel): Adjust create_omp_child_function callers. Rename parallel_nesting_level to taskreg_nesting_level. (scan_omp_task): New function. (lower_rec_input_clauses): Don't run constructors for firstprivate explicit task vars which are initialized by *_omp_cpyfn*. Pass outer var ref to omp_clause_default_ctor hook if OMP_CLAUSE_PRIVATE_OUTER_REF or OMP_CLAUSE_LASTPRIVATE. Replace OMP_CLAUSE_REDUCTION_PLACEHOLDER decls in OMP_CLAUSE_REDUCTION_INIT. (lower_send_clauses): Clear DECL_ABSTRACT_ORIGIN if in task to avoid duplicate setting of fields. Handle OMP_CLAUSE_PRIVATE_OUTER_REF. (lower_send_shared_vars): Use srecord_type if non-NULL. Don't copy-out if TREE_READONLY, only copy-in. (expand_task_copyfn): New function. (expand_task_call): New function. (struct omp_taskcopy_context): New type. (task_copyfn_copy_decl, task_copyfn_remap_type, create_task_copyfn): New functions. (lower_omp_parallel): Rename to... (lower_omp_taskreg): ... this. Use OMP_TASKREG_* macros where needed. Call create_task_copyfn if srecord_type is needed. Adjust sender_decl type. (task_shared_vars): New variable. (check_omp_nesting_restrictions): Warn if work-sharing, barrier, master or ordered region is closely nested inside OMP_TASK. Add warnings for barrier if closely nested inside of work-sharing, ordered, or master region. (scan_omp_1): Call check_omp_nesting_restrictions even for GOMP_barrier calls. Rename parallel_nesting_level to taskreg_nesting_level. Handle OMP_TASK. (lower_lastprivate_clauses): Even if some lastprivate is found on a work-sharing construct, continue looking for them on parent parallel construct. (lower_omp_for_lastprivate): Add lastprivate clauses to the beginning of dlist rather than end. Adjust for struct omp_for_data changes. (lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY, not after it. Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller. (get_ws_args_for): Adjust extract_omp_for_data caller. (scan_omp_for): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. (lower_omp_single_simple): If libgomp function doesn't return boolean_type_node, add comparison of the return value with 0. (diagnose_sb_1, diagnose_sb_2): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. Handle OMP_TASK. (parallel_nesting_level): Rename to... (taskreg_nesting_level): ... this. (is_taskreg_ctx): New function. (build_outer_var_ref, omp_copy_decl): Use is_taskreg_ctx instead of is_parallel_ctx. (execute_lower_omp): Rename parallel_nesting_level to taskreg_nesting_level. (expand_omp_parallel): Rename to... (expand_omp_taskreg): ... this. Use OMP_TASKREG_* macros where needed. Call omp_task_call for OMP_TASK regions. (expand_omp): Adjust caller, handle OMP_TASK. (lower_omp_1): Adjust lower_omp_taskreg caller, handle OMP_TASK. * bitmap.c (bitmap_default_obstack_depth): New variable. (bitmap_obstack_initialize, bitmap_obstack_release): Do nothing if argument is NULL and bitmap_default_obstack is already initialized. * ipa-struct-reorg.c (do_reorg_1): Call bitmap_obstack_release at the end. * matrix-reorg.c (matrix_reorg): Likewise. cp/ * cp-tree.h (cxx_omp_finish_clause, cxx_omp_create_clause_info, dependent_omp_for_p, begin_omp_task, finish_omp_task, finish_omp_taskwait): New prototypes. (cxx_omp_clause_default_ctor): Add outer argument. (finish_omp_for): Add new clauses argument. * cp-gimplify.c (cxx_omp_finish_clause): New function. (cxx_omp_predetermined_sharing): Moved from semantics.c, rewritten. (cxx_omp_clause_default_ctor): Add outer argument. (cp_genericize_r): Walk OMP_CLAUSE_LASTPRIVATE_STMT. * cp-objcp-common.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define. * parser.c (cp_parser_omp_for_loop): Parse collapsed for loops. Add par_clauses argument. If decl is present in parallel's lastprivate clause, change that clause to shared and add a lastprivate clause for decl to OMP_FOR_CLAUSES. Fix wording of error messages. Adjust finish_omp_for caller. Add clauses argument. Parse loops with random access iterators. (cp_parser_omp_clause_collapse, cp_parser_omp_clause_untied): New functions. (cp_parser_omp_for, cp_parser_omp_parallel): Adjust cp_parser_omp_for_loop callers. (cp_parser_omp_for_cond, cp_parser_omp_for_incr): New helper functions. (cp_parser_omp_clause_name): Handle collapse and untied clauses. (cp_parser_omp_clause_schedule): Handle auto schedule. (cp_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE and PRAGMA_OMP_CLAUSE_UNTIED. (OMP_FOR_CLAUSE_MASK): Add PRAGMA_OMP_CLAUSE_COLLAPSE. (OMP_TASK_CLAUSE_MASK): Define. (cp_parser_omp_task, cp_parser_omp_taskwait): New functions. (cp_parser_omp_construct): Handle PRAGMA_OMP_TASK. (cp_parser_pragma): Handle PRAGMA_OMP_TASK and PRAGMA_OMP_TASKWAIT. * pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Handle OMP_CLAUSE_LASTPRIVATE_STMT. (tsubst_omp_for_iterator): New function. (dependent_omp_for_p): New function. (tsubst_expr) <case OMP_FOR>: Use it. Handle collapsed OMP_FOR loops. Adjust finish_omp_for caller. Handle loops with random access iterators. Adjust for OMP_FOR_{INIT,COND,INCR} changes. (tsubst_expr): Handle OMP_TASK. * semantics.c (cxx_omp_create_clause_info): New function. (finish_omp_clauses): Call it. Handle OMP_CLAUSE_UNTIED and OMP_CLAUSE_COLLAPSE. (cxx_omp_predetermined_sharing): Removed. * semantics.c (finish_omp_for): Allow pointer iterators. Use handle_omp_for_class_iterator and dependent_omp_for_p. Handle collapsed for loops. Adjust c_finish_omp_for caller. Add new clauses argument. Fix check for type dependent cond or incr. Set OMP_FOR_CLAUSES to clauses. Use cp_convert instead of fold_convert to convert incr amount to difference_type. Only fold if not in template. If decl is mentioned in lastprivate clause, set OMP_CLAUSE_LASTPRIVATE_STMT. Handle loops with random access iterators. Adjust for OMP_FOR_{INIT,COND,INCR} changes. (finish_omp_threadprivate): Allow static class members of the current class. (handle_omp_for_class_iterator, begin_omp_task, finish_omp_task, finish_omp_taskwait): New functions. * parser.c (cp_parser_binary_expression): Add prec argument. (cp_parser_assignment_expression): Adjust caller. * cp-tree.h (outer_curly_brace_block): New prototype. * decl.c (outer_curly_brace_block): No longer static. fortran/ * scanner.c (skip_free_comments, skip_fixed_comments): Handle tabs. * parse.c (next_free): Allow tab after !$omp. (decode_omp_directive): Handle !$omp task, !$omp taskwait and !$omp end task. (case_executable): Add ST_OMP_TASKWAIT. (case_exec_markers): Add ST_OMP_TASK. (gfc_ascii_statement): Handle ST_OMP_TASK, ST_OMP_END_TASK and ST_OMP_TASKWAIT. (parse_omp_structured_block, parse_executable): Handle ST_OMP_TASK. * gfortran.h (gfc_find_sym_in_expr): New prototype. (gfc_statement): Add ST_OMP_TASK, ST_OMP_END_TASK and ST_OMP_TASKWAIT. (gfc_omp_clauses): Add OMP_SCHED_AUTO to sched_kind, OMP_DEFAULT_FIRSTPRIVATE to default_sharing. Add collapse and untied fields. (gfc_exec_op): Add EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * f95-lang.c (LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, LANG_HOOKS_OMP_CLAUSE_DTOR, LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define. * trans.h (gfc_omp_clause_default_ctor): Add another argument. (gfc_omp_clause_copy_ctor, gfc_omp_clause_assign_op, gfc_omp_clause_dtor, gfc_omp_private_outer_ref): New prototypes. * types.def (BT_ULONGLONG, BT_PTR_ULONGLONG, BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_VOID_PTR_PTR, BT_PTR_FN_VOID_PTR_PTR, BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New. (BT_BOOL): Use integer type with BOOL_TYPE_SIZE rather than boolean_type_node. * dump-parse-tree.c (gfc_show_omp_node): Handle EXEC_OMP_TASK, EXEC_OMP_TASKWAIT, OMP_SCHED_AUTO, OMP_DEFAULT_FIRSTPRIVATE, untied and collapse clauses. (gfc_show_code_node): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * trans.c (gfc_trans_code): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * st.c (gfc_free_statement): Likewise. * resolve.c (gfc_resolve_blocks, resolve_code): Likewise. (find_sym_in_expr): Rename to... (gfc_find_sym_in_expr): ... this. No longer static. (resolve_allocate_expr, resolve_ordinary_assign): Adjust caller. * match.h (gfc_match_omp_task, gfc_match_omp_taskwait): New prototypes. * openmp.c (resolve_omp_clauses): Allow allocatable arrays in firstprivate, lastprivate, reduction, copyprivate and copyin clauses. (omp_current_do_code): Made static. (omp_current_do_collapse): New variable. (gfc_resolve_omp_do_blocks): Compute omp_current_do_collapse, clear omp_current_do_code and omp_current_do_collapse on return. (gfc_resolve_do_iterator): Handle collapsed do loops. (resolve_omp_do): Likewise, diagnose errorneous collapsed do loops. (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): Define. (gfc_match_omp_clauses): Handle default (firstprivate), schedule (auto), untied and collapse (n) clauses. (OMP_DO_CLAUSES): Add OMP_CLAUSE_COLLAPSE. (OMP_TASK_CLAUSES): Define. (gfc_match_omp_task, gfc_match_omp_taskwait): New functions. * trans-openmp.c (gfc_omp_private_outer_ref): New function. (gfc_omp_clause_default_ctor): Add outer argument. For allocatable arrays allocate them with the bounds of the outer var if outer var is allocated. (gfc_omp_clause_copy_ctor, gfc_omp_clause_assign_op, gfc_omp_clause_dtor): New functions. (gfc_trans_omp_array_reduction): If decl is allocatable array, allocate it with outer var's bounds in OMP_CLAUSE_REDUCTION_INIT and deallocate it in OMP_CLAUSE_REDUCTION_MERGE. (gfc_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED for assumed-size arrays. (gfc_trans_omp_do): Add par_clauses argument. If dovar is present in lastprivate clause and do loop isn't simple, set OMP_CLAUSE_LASTPRIVATE_STMT. If dovar is present in parallel's lastprivate clause, change it to shared and add lastprivate clause to OMP_FOR_CLAUSES. Handle collapsed do loops. (gfc_trans_omp_directive): Adjust gfc_trans_omp_do callers. (gfc_trans_omp_parallel_do): Likewise. Move collapse clause to OMP_FOR from OMP_PARALLEL. (gfc_trans_omp_clauses): Handle OMP_SCHED_AUTO, OMP_DEFAULT_FIRSTPRIVATE, untied and collapse clauses. (gfc_trans_omp_task, gfc_trans_omp_taskwait): New functions. (gfc_trans_omp_directive): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. gcc/testsuite/ * gcc.dg/gomp/collapse-1.c: New test. * gcc.dg/gomp/nesting-1.c: New test. * g++.dg/gomp/task-1.C: New test. * g++.dg/gomp/predetermined-1.C: New test. * g++.dg/gomp/tls-4.C: New test. * gfortran.dg/gomp/collapse1.f90: New test. * gfortran.dg/gomp/sharing-3.f90: New test. * gcc.dg/gomp/pr27499.c (foo): Remove is unsigned dg-warning. * g++.dg/gomp/pr27499.C (foo): Likewise. * g++.dg/gomp/for-16.C (foo): Likewise. * g++.dg/gomp/tls-3.C: Remove dg-error, add S::s definition. * g++.dg/gomp/pr34607.C: Adjust dg-error location. * g++.dg/gomp/for-16.C (foo): Add a new dg-error. * gcc.dg/gomp/appendix-a/a.35.4.c: Add dg-warning. * gcc.dg/gomp/appendix-a/a.35.6.c: Likewise. * gfortran.dg/gomp/appendix-a/a.35.4.f90: Likewise. * gfortran.dg/gomp/appendix-a/a.35.6.f90: Likewise. * gfortran.dg/gomp/omp_parse1.f90: Remove !$omp tab test. * gfortran.dg/gomp/appendix-a/a.33.4.f90: Remove dg-error about allocatable array. * gfortran.dg/gomp/reduction1.f90: Likewise. libgomp/ * configure.ac (LIBGOMP_GNU_SYMBOL_VERSIONING): New AC_DEFINE. Substitute also OMP_*LOCK_25*. * configure: Regenerated. * config.h.in: Regenerated. * Makefile.am (libgomp_la_SOURCES): Add loop_ull.c, iter_ull.c, ptrlock.c and task.c. * Makefile.in: Regenerated. * testsuite/Makefile.in: Regenerated. * task.c: New file. * loop_ull.c: New file. * iter_ull.c: New file. * libgomp.h: Include ptrlock.h. (enum gomp_task_kind): New type. (struct gomp_team): Add task_lock, task_queue, task_count, task_running_count, single_count fields. Add work_share_list_free_lock ifndef HAVE_SYNC_BUILTINS. Remove work_share_lock, generation_mask, oldest_live_gen, num_live_gen and init_work_shares fields, add work work_share_list_alloc, work_share_list_free and work_share_chunk fields. Change work_shares from pointer to pointers into an array. Change ordered_release field into gomp_sem_t ** from flexible array member. Add implicit_task and initial_work_shares fields. Move close to the end of the struct. (struct gomp_team_state): Add single_count, last_work_share, active_level and level fields, remove work_share_generation. (gomp_barrier_handle_tasks): New prototype. (gomp_finish_task): New inline function. (struct gomp_work_share): Move chunk_size, end, incr into transparent union/struct, add chunk_size_ull, end_ll, incr_ll and next_ll fields. Reshuffle fields. Add next_alloc, next_ws, next_free and inline_ordered_team_ids fields, change ordered_team_ids into pointer from flexible array member. Add mode field. Put lock and next into a different cache line from most of the write-once fields. (gomp_iter_ull_static_next, gomp_iter_ull_dynamic_next_locked, gomp_iter_ull_guided_next_locked, gomp_iter_ull_dynamic_next, gomp_iter_ull_guided_next): New prototypes. (gomp_new_icv): New prototype. (struct gomp_thread): Add thread_pool and task fields. (struct gomp_thread_pool): New type. (gomp_new_team): New prototype. (gomp_team_start): Change type of last argument. (gomp_new_work_share): Removed. (gomp_init_work_share, gomp_fini_work_share): New prototypes. (gomp_work_share_init_done): New static inline. (gomp_throttled_spin_count_var, gomp_available_cpus, gomp_managed_threads): New extern decls. (gomp_init_task): New prototype. (gomp_spin_count_var): New extern var decl. (LIBGOMP_GNU_SYMBOL_VERSIONING): Undef if no visibility or no alias support, or if not PIC. (gomp_init_lock_30, gomp_destroy_lock_30, gomp_set_lock_30, gomp_unset_lock_30, gomp_test_lock_30, gomp_init_nest_lock_30, gomp_destroy_nest_lock_30, gomp_set_nest_lock_30, gomp_unset_nest_lock_30, gomp_test_nest_lock_30, gomp_init_lock_25, gomp_destroy_lock_25, gomp_set_lock_25, gomp_unset_lock_25, gomp_test_lock_25, gomp_init_nest_lock_25, gomp_destroy_nest_lock_25, gomp_set_nest_lock_25, gomp_unset_nest_lock_25, gomp_test_nest_lock_25): New prototypes. (omp_lock_symver, strong_alias): Define. (gomp_remaining_threads_count, gomp_remaining_threads_lock): New decls. (gomp_end_task): New. (struct gomp_task_icv, gomp_global_icv): New. (gomp_thread_limit_var, gomp_max_active_levels_var): New. (struct gomp_task): New. (gomp_nthreads_var, gomp_dyn_var, gomp_nest_var, gomp_run_sched_var, gomp_run_sched_chunk): Remove. (gomp_icv): New. (gomp_schedule_type): Reorder enum to match omp_sched_t. * team.c (struct gomp_thread_start_data): Add thread_pool and task fields. (gomp_thread_start): Add gomp_team_barrier_wait call. For non-nested case remove clearing of docked thread thr fields. Use pool fields instead of global gomp_* variables. Use gomp_barrier_wait_last when needed. Initialize ts.active_level. Create tasks for each member thread. (free_team): Only destroy team barrier, task_lock here and free it. (gomp_free_thread): Free last_team if non-NULL. (gomp_team_end): Call gomp_team_barrier_wait instead of gomp_barrier_wait. For nested case call one extra gomp_barrier_wait. Move here some destruction from free_team. Call free_team on pool->last_team if any, rather than freeing current team. Destroy work_share_list_free_lock ifndef HAVE_SYNC_BUILTINS. (gomp_new_icv): New function. (gomp_threads, gomp_threads_size, gomp_threads_used, gomp_threads_dock): Removed. (gomp_thread_destructor): New variable. (gomp_new_thread_pool, gomp_free_pool_helper, gomp_free_thread): New functions. (gomp_team_start): Create new pool if current thread doesn't have one. Use pool fields instead of global gomp_* variables. Initialize thread_pool field for new threads. Clear single_count. Change last argument from ws to team, don't create new team, set ts.work_share to &team->work_shares[0] and clear ts.last_work_share. Don't clear ts.work_share_generation. If number of threads changed, adjust atomically gomp_managed_threads. Use gomp_init_task instead of gomp_new_task, set thr->task to the corresponding implicit_task array entry. Create tasks for each member thread. Initialize ts.level. (initialize_team): Call pthread_key_create on gomp_thread_destructor. (team_destructor): New function. (new_team): Removed. (gomp_new_team): New function. (free_team): Free gomp_work_share blocks chained through next_alloc, instead of freeing work_shares and destroying work_share_lock. (gomp_team_end): Call gomp_fini_work_share. If number of threads changed, adjust atomically gomp_managed_threads. Use gomp_end_task. * barrier.c (GOMP_barrier): Call gomp_team_barrier_wait instead of gomp_barrier_wait. * single.c (GOMP_single_copy_start): Call gomp_team_barrier_wait instead of gomp_barrier_wait. Call gomp_work_share_init_done if gomp_work_share_start returned true. Don't unlock ws->lock. (GOMP_single_copy_end): Call gomp_team_barrier_wait instead of gomp_barrier_wait. (GOMP_single_start): Rewritten if HAVE_SYNC_BUILTINS. Call gomp_work_share_init_done if gomp_work_share_start returned true. Don't unlock ws->lock. * work.c: Include stddef.h. (free_work_share): Use work_share_list_free_lock instead of atomic chaining ifndef HAVE_SYNC_BUILTINS. Add team argument. Call gomp_fini_work_share and then either free ws if orphaned, or put it into work_share_list_free list of the current team. (alloc_work_share, gomp_init_work_share, gomp_fini_work_share): New functions. (gomp_work_share_start, gomp_work_share_end, gomp_work_share_end_nowait): Rewritten. * omp_lib.f90.in Change some tabs to spaces to prevent warnings. (openmp_version): Set to 200805. (omp_sched_kind, omp_sched_static, omp_sched_dynamic, omp_sched_guided, omp_sched_auto): New parameters. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New interfaces. * omp_lib.h.in (openmp_version): Set to 200805. (omp_sched_kind, omp_sched_static, omp_sched_dynamic, omp_sched_guided, omp_sched_auto): New parameters. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New externals. * loop.c: Include limits.h. (GOMP_loop_runtime_next, GOMP_loop_ordered_runtime_next): Handle GFS_AUTO. (GOMP_loop_runtime_start, GOMP_loop_ordered_runtime_start): Likewise. Use gomp_icv. (gomp_loop_static_start, gomp_loop_dynamic_start): Clear ts.static_trip here. (gomp_loop_static_start, gomp_loop_ordered_static_start): Call gomp_work_share_init_done after gomp_loop_init. Don't unlock ws->lock. (gomp_loop_dynamic_start, gomp_loop_guided_start): Call gomp_work_share_init_done after gomp_loop_init. If HAVE_SYNC_BUILTINS, don't unlock ws->lock, otherwise lock it. (gomp_loop_ordered_dynamic_start, gomp_loop_ordered_guided_start): Call gomp_work_share_init_done after gomp_loop_init. Lock ws->lock. (gomp_parallel_loop_start): Call gomp_new_team instead of gomp_new_work_share. Call gomp_loop_init on &team->work_shares[0]. Adjust gomp_team_start caller. Pass 0 as second argument to gomp_resolve_num_threads. (gomp_loop_init): For GFS_DYNAMIC, multiply ws->chunk_size by incr. If adding ws->chunk_size nthreads + 1 times after end won't overflow, set ws->mode to 1. * libgomp_g.h (GOMP_loop_ull_static_start, GOMP_loop_ull_dynamic_start, GOMP_loop_ull_guided_start, GOMP_loop_ull_runtime_start, GOMP_loop_ull_ordered_static_start, GOMP_loop_ull_ordered_dynamic_start, GOMP_loop_ull_ordered_guided_start, GOMP_loop_ull_ordered_runtime_start, GOMP_loop_ull_static_next, GOMP_loop_ull_dynamic_next, GOMP_loop_ull_guided_next, GOMP_loop_ull_runtime_next, GOMP_loop_ull_ordered_static_next, GOMP_loop_ull_ordered_dynamic_next, GOMP_loop_ull_ordered_guided_next, GOMP_loop_ull_ordered_runtime_next, GOMP_task, GOMP_taskwait): New prototypes. * libgomp.map: Export lock routines also @@OMP_2.0. (GOMP_loop_ordered_dynamic_first, GOMP_loop_ordered_guided_first, GOMP_loop_ordered_runtime_first, GOMP_loop_ordered_static_first): Remove. (GOMP_loop_ull_dynamic_next, GOMP_loop_ull_dynamic_start, GOMP_loop_ull_guided_next, GOMP_loop_ull_guided_start, GOMP_loop_ull_ordered_dynamic_next, GOMP_loop_ull_ordered_dynamic_start, GOMP_loop_ull_ordered_guided_next, GOMP_loop_ull_ordered_guided_start, GOMP_loop_ull_ordered_runtime_next, GOMP_loop_ull_ordered_runtime_start, GOMP_loop_ull_ordered_static_next, GOMP_loop_ull_ordered_static_start, GOMP_loop_ull_runtime_next, GOMP_loop_ull_runtime_start, GOMP_loop_ull_static_next, GOMP_loop_ull_static_start, GOMP_task, GOMP_taskwait): Export @@GOMP_2.0. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level, omp_set_schedule_, omp_set_schedule_8_, omp_get_schedule_, omp_get_schedule_8_, omp_get_thread_limit_, omp_set_max_active_levels_, omp_set_max_active_levels_8_, omp_get_max_active_levels_, omp_get_level_, omp_get_ancestor_thread_num_, omp_get_ancestor_thread_num_8_, omp_get_team_size_, omp_get_team_size_8_, omp_get_active_level_): New exports @@OMP_3.0. * omp.h.in (omp_sched_t): New type. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New prototypes. * env.c (gomp_spin_count_var, gomp_throttled_spin_count_var, gomp_available_cpus, gomp_managed_threads, gomp_max_active_levels_var, gomp_thread_limit_var, gomp_remaining_threads_count, gomp_remaining_threads_lock): New variables. (parse_spincount): New function. (initialize_env): Call gomp_init_num_threads unconditionally. Initialize gomp_available_cpus. Call parse_spincount, initialize gomp_{,throttled_}spin_count_var depending on presence and value of OMP_WAIT_POLICY and GOMP_SPINCOUNT env vars. Handle GOMP_BLOCKTIME env var. Handle OMP_WAIT_POLICY, OMP_MAX_ACTIVE_LEVELS, OMP_THREAD_LIMIT, OMP_STACKSIZE env vars. Handle unit specification for GOMP_STACKSIZE. Initialize gomp_remaining_threads_count and gomp_remaining_threads_lock if needed. Use gomp_global_icv. (gomp_nthreads_var, gomp_dyn_var, gomp_nest_var, gomp_run_sched_var, gomp_run_sched_chunk): Remove. (gomp_global_icv): New. (parse_schedule): Use it. Parse "auto". (omp_set_num_threads): Use gomp_icv. (omp_set_dynamic, omp_get_dynamic, omp_set_nested, omp_get_nested): Likewise. (omp_get_max_threads): Move from parallel.c. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels): New functions, add ialias. (parse_stacksize, parse_wait_policy): New functions. * fortran.c: Rewrite lock wrappers, if symbol versioning provide both wrappers for compatibility and new locks. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New ialias_redirect. (omp_set_schedule_, omp_set_schedule_8_, omp_get_schedule_, omp_get_schedule_8_, omp_get_thread_limit_, omp_set_max_active_levels_, omp_set_max_active_levels_8_, omp_get_max_active_levels_, omp_get_level_, omp_get_ancestor_thread_num_, omp_get_ancestor_thread_num_8_, omp_get_team_size_, omp_get_team_size_8_, omp_get_active_level_): New functions. * parallel.c: Include limits.h. (gomp_resolve_num_threads): Add count argument. Rewritten. (GOMP_parallel_start): Call gomp_new_team and pass that as last argument to gomp_team_start. Pass 0 as second argument to gomp_resolve_num_threads. (GOMP_parallel_end): Decrease gomp_remaining_threads_count if gomp_thread_limit_var != ULONG_MAX. (omp_in_parallel): Implement using ts.active_level. (omp_get_max_threads): Move to env.c. (omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New functions, add ialias. * sections.c (GOMP_sections_start): Call gomp_work_share_init_done after gomp_sections_init. If HAVE_SYNC_BUILTINS, call gomp_iter_dynamic_next instead of the _locked variant and don't take lock around it, otherwise acquire it before calling gomp_iter_dynamic_next_locked. (GOMP_sections_next): If HAVE_SYNC_BUILTINS, call gomp_iter_dynamic_next instead of the _locked variant and don't take lock around it. (GOMP_parallel_sections_start): Call gomp_new_team instead of gomp_new_work_share. Call gomp_sections_init on &team->work_shares[0]. Adjust gomp_team_start caller. Pass count as second argument to gomp_resolve_num_threads, don't adjust num_threads after the call. Use gomp_icv. * iter.c (gomp_iter_dynamic_next_locked): Don't multiply ws->chunk_size by incr. (gomp_iter_dynamic_next): Likewise. If ws->mode, use more efficient code. * libgomp_f.h.in (omp_lock_25_arg_t, omp_nest_lock_25_arg_t): New types. (omp_lock_25_arg, omp_nest_lock_25_arg): New macros. (omp_check_defines): Check even the compat defines. * config/linux/ptrlock.c: New file. * config/linux/ptrlock.h: New file. * config/linux/wait.h: New file. * config/posix/ptrlock.c: New file. * config/posix/ptrlock.h: New file. * config/linux/bar.h (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New prototypes. (gomp_team_barrier_set_task_pending, gomp_team_barrier_clear_task_pending, gomp_team_barrier_set_waiting_for_tasks, gomp_team_barrier_waiting_for_tasks, gomp_team_barrier_done): New inlines. (gomp_barrier_t): Rewritten. (gomp_barrier_state_t): New typedef. (gomp_barrier_init, gomp_barrier_reinit, gomp_barrier_destroy, gomp_barrier_wait_start): Rewritten. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_barrier_last_thread, gomp_barrier_wait_last): New static inlines. * config/linux/bar.c: Include wait.h instead of libgomp.h and futex.h. (gomp_barrier_wait_end): Rewritten. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake, gomp_barrier_wait_last): New functions. * config/posix/bar.h (gomp_barrier_t): Add generation field. (gomp_barrier_state_t): New typedef. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New prototypes. (gomp_barrier_wait_start): Or all but low 2 bits from generation into the return value. Return gomp_barrier_state_t. (gomp_team_barrier_set_task_pending, gomp_team_barrier_clear_task_pending, gomp_team_barrier_set_waiting_for_tasks, gomp_team_barrier_waiting_for_tasks, gomp_team_barrier_done): New inlines. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_barrier_last_thread, gomp_barrier_wait_last): New static inlines. * config/posix/bar.c (gomp_barrier_init): Clear generation field. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New functions. * config/linux/mutex.c: Include wait.h instead of libgomp.h and futex.h. (gomp_futex_wake, gomp_futex_wait): New variables. (gomp_mutex_lock_slow): Call do_wait instead of futex_wait. * config/linux/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. Include wait.h instead of libgomp.h and futex.h. (gomp_set_nest_lock_25): Call do_wait instead of futex_wait. * config/posix95/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. * config/posix/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. * config/linux/proc.c (gomp_init_num_threads): Use gomp_global_icv. (get_num_procs, gomp_dynamic_max_threads): Use gomp_icv. * config/posix/proc.c, config/mingw32/proc.c: Similarly. * config/linux/powerpc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/alpha/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/x86/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/s390/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/ia64/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/sparc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/sem.c: Include wait.h instead of libgomp.h and futex.h. (gomp_sem_wait_slow): Call do_wait instead of futex_wait. * config/linux/affinity.c: Assume HAVE_SYNC_BUILTINS. * config/linux/omp-lock.h (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_nest_lock_t): Change owner into void *, add lock field. * config/posix95/omp-lock.h: Include semaphore.h. (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_lock_t): Use sem_t instead of mutex if semaphores aren't broken. (omp_nest_lock_t): Likewise. Change owner to void *. * config/posix/omp-lock.h: Include semaphore.h. (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_lock_t): Use sem_t instead of mutex if semaphores aren't broken. (omp_nest_lock_t): Likewise. Add owner field. * testsuite/libgomp.c/collapse-1.c: New test. * testsuite/libgomp.c/collapse-2.c: New test. * testsuite/libgomp.c/collapse-3.c: New test. * testsuite/libgomp.c/icv-1.c: New test. * testsuite/libgomp.c/icv-2.c: New test. * testsuite/libgomp.c/lib-2.c: New test. * testsuite/libgomp.c/lock-1.c: New test. * testsuite/libgomp.c/lock-2.c: New test. * testsuite/libgomp.c/lock-3.c: New test. * testsuite/libgomp.c/loop-4.c: New test. * testsuite/libgomp.c/loop-5.c: New test. * testsuite/libgomp.c/loop-6.c: New test. * testsuite/libgomp.c/loop-7.c: New test. * testsuite/libgomp.c/loop-8.c: New test. * testsuite/libgomp.c/loop-9.c: New test. * testsuite/libgomp.c/nested-3.c: New test. * testsuite/libgomp.c/nestedfn-6.c: New test. * testsuite/libgomp.c/sort-1.c: New test. * testsuite/libgomp.c/task-1.c: New test. * testsuite/libgomp.c/task-2.c: New test. * testsuite/libgomp.c/task-3.c: New test. * testsuite/libgomp.c/task-4.c: New test. * testsuite/libgomp.c++/c++.exp: Add libstdc++-v3 build includes to C++ testsuite default compiler options. * testsuite/libgomp.c++/collapse-1.C: New test. * testsuite/libgomp.c++/collapse-2.C: New test. * testsuite/libgomp.c++/ctor-10.C: New test. * testsuite/libgomp.c++/for-1.C: New test. * testsuite/libgomp.c++/for-2.C: New test. * testsuite/libgomp.c++/for-3.C: New test. * testsuite/libgomp.c++/for-4.C: New test. * testsuite/libgomp.c++/for-5.C: New test. * testsuite/libgomp.c++/loop-8.C: New test. * testsuite/libgomp.c++/loop-9.C: New test. * testsuite/libgomp.c++/loop-10.C: New test. * testsuite/libgomp.c++/task-1.C: New test. * testsuite/libgomp.c++/task-2.C: New test. * testsuite/libgomp.c++/task-3.C: New test. * testsuite/libgomp.c++/task-4.C: New test. * testsuite/libgomp.c++/task-5.C: New test. * testsuite/libgomp.c++/task-6.C: New test. * testsuite/libgomp.fortran/allocatable1.f90: New test. * testsuite/libgomp.fortran/allocatable2.f90: New test. * testsuite/libgomp.fortran/allocatable3.f90: New test. * testsuite/libgomp.fortran/allocatable4.f90: New test. * testsuite/libgomp.fortran/collapse1.f90: New test. * testsuite/libgomp.fortran/collapse2.f90: New test. * testsuite/libgomp.fortran/collapse3.f90: New test. * testsuite/libgomp.fortran/collapse4.f90: New test. * testsuite/libgomp.fortran/lastprivate1.f90: New test. * testsuite/libgomp.fortran/lastprivate2.f90: New test. * testsuite/libgomp.fortran/lib4.f90: New test. * testsuite/libgomp.fortran/lock-1.f90: New test. * testsuite/libgomp.fortran/lock-2.f90: New test. * testsuite/libgomp.fortran/nested1.f90: New test. * testsuite/libgomp.fortran/nestedfn4.f90: New test. * testsuite/libgomp.fortran/strassen.f90: New test. * testsuite/libgomp.fortran/tabs1.f90: New test. * testsuite/libgomp.fortran/tabs2.f: New test. * testsuite/libgomp.fortran/task1.f90: New test. * testsuite/libgomp.fortran/task2.f90: New test. * testsuite/libgomp.fortran/vla4.f90: Add dg-warning. * testsuite/libgomp.fortran/vla5.f90: Likewise. * testsuite/libgomp.c/pr26943-2.c: Likewise. * testsuite/libgomp.c/pr26943-3.c: Likewise. * testsuite/libgomp.c/pr26943-4.c: Likewise. Co-Authored-By: Jakob Blomer <jakob.blomer@ira.uka.de> Co-Authored-By: Richard Henderson <rth@redhat.com> Co-Authored-By: Ulrich Drepper <drepper@redhat.com> From-SVN: r136433
2008-06-06 15:01:54 +02:00
struct gomp_thread *thread = gomp_thread();
struct gomp_task_icv *icv;
unsigned threads_requested, max_num_threads, num_threads;
unsigned long remaining;
icv = gomp_icv (false);
[multiple changes] 2006-01-18 Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * libgomp: New directory. * Makefile.def: Add target_module libgomp. * Makefile.in: Regenerate. * configure.in (target_libraries): Add target-libgomp. * configure: Regenerate. contrib/ 2006-01-18 Richard Henderson <rth@redhat.com> Diego Novillo <dnovillo@redhat.com> * gcc_update (files_and_dependencies): Add libgomp files. gcc/ 2006-01-18 Richard Henderson <rth@redhat.com> Aldy Hernandez <aldyh@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * omp-low.c: New file. * c-omp.c: New file. 2006-01-18 Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * doc/invoke.texi: Document -fopenmp. * tree-dump.h (debug_function): Declare. * hooks.c (hook_bool_tree_bool_false): New function. (hook_tree_tree_null): Remove. (hook_tree_tree_tree_null): New. * hooks.h: Update to match. * tree-pretty-print.c (debug_tree_chain): New. (print_generic_expr): Handle TDF_CHAIN. (dump_generic_node): Handle BLOCK. Do not abort with incomplete SWITCH_EXPRs. Do not dump body of an OpenMP directive if TDF_SLIM is given. <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't print space after directive name. <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY. Handle OMP_MASTER and OMP_ORDERED. Handle printing of OMP_BODY just in one place, goto dump_omp_body in the rest of OMP_* nodes that have OMP_BODY. Don't handle clause nodes here. Update omp statements to use dump_omp_clauses. Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION, OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC, OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF, GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED, GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE, GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE. Adjust output for GOMP_PARALLEL. (dump_omp_clauses): New. (print_declaration): Dump DECL_VALUE_EXPR. (op_symbol_1): Split out of op_symbol. (dumping_stmts): Remove. Update all users. * cgraph.c (cgraph_analyze_queue): New. (cgraph_add_new_function): New. * cgraph.h (cgraph_analyze_queue): Declare. (cgraph_add_new_function): Declare. (cgraph_lower_function): Remove. * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_* nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS and TYPE_P nodes in its default clause. (empty_body_p): New. (tree_range_check_failed): New. (build5_stat): New. * tree.h (OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE, OMP_CLAUSE_REDUCTION_PLACEHOLDER, OMP_CLAUSE_PRIVATE_DEBUG, OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY, OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY, OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND, OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL, OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR, OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT, OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT, OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC, OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST, OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY, OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY, OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New. (TREE_RANGE_CHECK): New. (empty_body_p): Declare. (enum omp_clause_default_kind): New. (build_string_literal): Declare. (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New. (build5_stat, build5): Declare. * tree-pass.h (TDF_CHAIN): Define. * tree-pass.h (PROP_gimple_lomp): Define. (pass_lower_omp): Declare. * diagnostic.h (debug_tree_chain): Declare. * builtins.c (get_builtin_sync_mode): Use 0 as last argument to mode_for_size. (expand_builtin): Handle sync BUILT_IN_*_16 builtins. * builtins.c (build_string_literal): Make extern. * gcc.c (include_spec_function): New. (static_spec_functions): Add it. (main): Move load of libgomp.spec ... (LINK_COMMAND_SPEC): ... here. (link_gomp_spec): New. (static_specs): Include it. (LINK_COMMAND_SPEC): Add link_gomp. (GOMP_SELF_SPECS): New. (driver_self_specs): Include it. (switch_matches): Don't mark inline. (main): Load libgomp.spec. * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION, and OMP_SINGLE, OMP_FOR and OMP_PARALLEL. * tree-gimple.h (enum omp_parallel): Declare. (determine_parallel_type): Declare. (omp_firstprivatize_variable): Declare. (omp_reduction_init): Declare. (diagnose_omp_structured_block_errors): Declare. (struct walk_stmt_info): Add want_return_expr. (struct walk_stmt_info): Add want_bind_expr, want_locations. (find_omp_clause): Declare. (insert_field_into_struct): Declare. (struct walk_stmt_info): Move from tree-nested.c (walk_stmts): Declare. * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP to 200505. * cgraphunit.c (cgraph_lower_function): Make static. (cgraph_finalize_pending_functions): New. (cgraph_finalize_function): Call it. (cgraph_finalize_compilation_unit): Likewise. * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16, BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add. (BT_FN_UINT_UINT): New. (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7, DEF_FUNCTION_TYPE_VAR_4): Document. (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT, BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR, BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT, BT_FN_VOID_OMPFN_PTR_UINT_UINT, BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR, BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New. * builtins.def: Update DEF_BUILTIN comment to include COND argument. Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins into separate files. (DEF_GOMP_BUILTIN): New. (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER, BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END, BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END, BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START, BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START, BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START, BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START, BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START, BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT, 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_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT, BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END, BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END, BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT, BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END, BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START, BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New. * sync-builtins.def: New file, moved from builtins.def. * omp-builtins.def: New file, moved from builtins.def. * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine. * gimple-low.c (lower_function_body): Clear data. (lower_stmt): Do not handle COMPOUND_EXPR. Remove call to print_node_brief. * c-tree.h (c_finish_omp_clauses): New prototype. (C_DECL_THREADPRIVATE_P): Define. (lookup_name_no_remap, c_omp_remap_private): Remove (c_begin_omp_parallel, c_finish_omp_parallel): Update. (check_for_loop_decls): Update decl. (lookup_name_no_remap, c_omp_remap_private): Declare. (build_indirect_ref, build_modify_expr, pushdecl, pushdecl_top_level): Move to c-common.h. * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp before the switch, but just in the 2 places that need it. * c-decl.c (diagnose_mismatched_decls): Do not check for mismatched thread-local attributes when OLDDECL is marked threadprivate and NEWDECL has no thread-local attributes. (merge_decls): Merge C_DECL_THREADPRIVATE_P. (c_gimple_diagnostics_recursively): Rename from c_warn_unused_result_recursively. Invoke diagnose_omp_structured_block_errors. (check_for_loop_decls): Return a singular decl found. * langhooks.c (lhd_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls. (lhd_omp_firstprivatize_type_sizes): New. (lhd_omp_assignment): New. (lhd_omp_predetermined_sharing): New. * langhooks.h (struct gimplify_omp_ctx): Forward declare. (struct lang_hooks_for_types): Add omp_firstprivatize_type_sizes, omp_privatize_by_reference, omp_predetermined_sharing, omp_disregard_value_expr, omp_private_debug_clause, omp_clause_default_ctor, omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor. (c_finish_omp_clauses): New. (c_finish_bc_stmt): Diagnose break within omp for. (c_begin_omp_parallel, c_finish_omp_parallel): New. (build_unary_op): Return error_mark after reporting a readonly_error. (build_modify_expr): Likewise. * gimplify.c: Include optabs.h and pointer-set.h. (enum gimplify_omp_var_data): Declare. (struct gimplify_omp_ctx): Declare. (struct gimplify_ctx): Add fields prev_context, combined_pre_p and combined_ctxp. (gimplify_ctxp, gimplify_omp_ctxp): New local variables. (push_gimplify_context, pop_gimplify_context): Allow nesting. (splay_tree_compare_decl_uid): New. (new_omp_context): New. (delete_omp_context): New. (gimple_add_tmp_var): Call omp_add_variable. (gimplify_bind_expr): Likewise. (gimplify_var_or_parm_decl): If omp_notice_variable returned true, disregard DECL_VALUE_EXPR on the decl if any. (gimplify_expr_in_ctx): New. (omp_firstprivatize_variable, omp_firstprivatize_type_sizes omp_add_variable, omp_notice_variable, omp_is_private gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1 gimplify_adjust_omp_clauses, gimplify_omp_parallel gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p gimplify_omp_atomic_fetch_op, goa_stabilize_expr gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex gimplify_omp_atomic): New. (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS, OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL and OMP_ATOMIC. (gimplify_body): Verify gimplify_ctxp is empty after gimplification. * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER, PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR, PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED, PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR, PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION, PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE, PRAGMA_OMP_THREADPRIVATE. * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS, OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define. * print-tree.c (print_node): Dump DECL_VALUE_EXPR. * tree-ssa-dce.c (find_control_dependence): Do not assume that ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR). * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for OpenMP directives. (struct nesting_info): Add field_map, suppress_expansion, debug_var_chain. (create_nesting_tree): Initialize them. (lookup_field_for_decl): Use field_map. (get_nonlocal_debug_decl, get_local_debug_decl): New. (convert_local_omp_clauses): New. (finalize_nesting_tree_1): Add debug_var_chain to toplevel block. (walk_body): Split out of walk_function. (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New. (convert_nonlocal_reference): Handle omp statements. (convert_local_reference): Likewise. (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1. (unnest_nesting_tree): New. (lower_nested_functions): Call it. (insert_field_into_struct): Make extern. (struct walk_stmt_info): Move to tree-gimple.h. (walk_stmts): Make extern. * omp-builtins.def: New file. * tree-iterator.c (expr_only): Clarify comment. * c-common.h (pushdecl_top_level, pushdecl, build_modify_expr, build_indirect_ref, c_finish_omp_master, c_finish_omp_critical, c_finish_omp_ordered, c_finish_omp_barrier, c_finish_omp_atomic, c_finish_omp_flush, c_finish_omp_for, c_split_parallel_clauses, omp_clause_default_kind, c_omp_sharing_predetermined, c_omp_remap_decl): Declare. * Makefile.in (BUILTINS_DEF): Add omp-builtins.def. (OBJS-common): Add omp-low.o. (c-omp.o, omp-low.o): Add. (gimplify.o): Add dependency on $(OPTABS_H). (GTFILES): Add omp-low.c. (gt-stringpool.h): Add. * tree-cfg.c (set_bb_for_stmt): Do not update the block-to-labels map if we are currently expanding to RTL. (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P checks. Handle IDENTIFIER_NODE. (tree_verify_flow_info): Do not ICE when emitting error messages about invalid labels. (dump_function_to_file): Reset CFUN before emitting the body of the function. (debug_function): New. * passes.c (init_optimization_passes): Schedule pass_lower_omp. * langhooks-def.h (lhd_omp_predetermined_sharing, lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes): Declare. (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define. (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it. (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE, LANG_HOOKS_OMP_PREDETERMINED_SHARING, LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR, LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE, LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR, LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, LANG_HOOKS_OMP_CLAUSE_DTOR): Define. (LANG_HOOK_DECLS): Use them. 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com> Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * c-parser.c (pragma_omp_clause): Define. (c_parser_declaration_or_fndef): Document OpenMP syntax. (c_parser_compound_statement): Likewise. (c_parser_statement): Likewise. (c_parser_pragma): Handle omp pragmas. (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK, OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define. (c_parser_omp_clause_name, check_no_duplicate_clause, c_parser_omp_variable_list, c_parser_omp_var_list_parens, c_parser_omp_clause_copyin, c_parser_omp_clause_copyprivate, c_parser_omp_clause_default, c_parser_omp_clause_firstprivate, c_parser_omp_clause_if, c_parser_omp_clause_lastprivate, c_parser_omp_clause_nowait, c_parser_omp_clause_num_threads, c_parser_omp_clause_ordered, c_parser_omp_clause_private, c_parser_omp_clause_reduction, c_parser_omp_clause_schedule, c_parser_omp_clause_shared, c_parser_omp_all_clauses, c_parser_omp_structured_block, c_parser_omp_atomic, c_parser_omp_barrier, c_parser_omp_critical, c_parser_omp_flush, c_parser_omp_for_loop, c_parser_omp_for, c_parser_omp_master, c_parser_omp_ordered, c_parser_omp_sections_scope, c_parser_omp_sections, c_parser_omp_parallel, c_parser_omp_single, c_parser_omp_construct, c_parser_omp_threadprivate): New. * c-pragma.c (init_pragma): Do omp pragma registration here. * c.opt (fopenmp): New flag. 2006-01-18 Eric Christopher <echristo@apple.com> * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif. * config/darwin.h (GOMP_SELF_SPECS): Define. testsuite/ 2006-01-18 Richard Henderson <rth@redhat.com> Aldy Hernandez <aldyh@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> Uros Bizjak <uros@kss-loka.si> * testsuite/gcc.dg/gomp: New directory. From-SVN: r109902
2006-01-18 20:21:25 +01:00
if (specified == 1)
return 1;
c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805. * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805. * langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause. Add omp_private_outer_ref hook, add another argument to omp_clause_default_ctor hook. * langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define. (LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define. (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to hook_tree_tree_tree_tree_null. (LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and LANG_HOOKS_OMP_PRIVATE_OUTER_REF. * hooks.c (hook_tree_tree_tree_tree_null): New function. * hooks.h (hook_tree_tree_tree_tree_null): New prototype. * tree.def (OMP_TASK): New tree code. * tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN, OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT, OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES, OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY, OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG, OMP_CLAUSE_COLLAPSE_EXPR): Define. (enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. (OMP_DIRECTIVE_P): Add OMP_TASK. (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes. (OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind. * tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED entries. (omp_clause_num_ops): Likewise. Increase OMP_CLAUSE_LASTPRIVATE num_ops to 2. (walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Walk OMP_CLAUSE_LASTPRIVATE_STMT. * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. (dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops. * c-omp.c (c_finish_omp_for): Allow pointer iterators. Remove warning about unsigned iterators. Change decl/init/cond/incr arguments to TREE_VECs, check arguments for all collapsed loops. (c_finish_omp_taskwait): New function. (c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to ws_clauses. * c-parser.c (c_parser_omp_for_loop): Parse collapsed loops. Call default_function_array_conversion on init. Add par_clauses argument. If decl is present in parallel's lastprivate clause, change it to shared and add lastprivate clause for decl to OMP_FOR_CLAUSES. Add clauses argument, on success set OMP_FOR_CLAUSES to it. Look up collapse count in clauses. (c_parser_omp_for, c_parser_omp_parallel): Adjust c_parser_omp_for_loop callers. (OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE. (c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT. (c_parser_omp_clause_name): Handle collapse and untied clauses. (c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New functions. (c_parser_omp_clause_schedule): Handle schedule(auto). Include correct location in the error message. (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE and PRAGMA_OMP_CLAUSE_UNTIED. (OMP_TASK_CLAUSE_MASK): Define. (c_parser_omp_task, c_parser_omp_taskwait): New functions. (c_parser_omp_construct): Handle PRAGMA_OMP_TASK. * tree-nested.c (convert_nonlocal_omp_clauses, convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE, OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in OMP_CLAUSE_DECL. (conver_nonlocal_reference, convert_local_reference, convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL. Use OMP_TASKREG_* macros rather than OMP_PARALLEL_*. (walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes. * tree-gimple.c (is_gimple_stmt): Handle OMP_TASK. * c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes. * c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New. (PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New. * c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions. (c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. * c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas. * c-common.h (c_finish_omp_taskwait): New prototype. * gimple-low.c (lower_stmt): Handle OMP_TASK. * tree-parloops.c (create_parallel_loop): Create 1 entry vectors for OMP_FOR_{INIT,COND,INCR}. * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers. (make_edges): Handle OMP_TASK. * tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. * tree-inline.c (estimate_num_insns_1): Handle OMP_TASK. * builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR, BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New. * omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT, BUILT_IN_GOMP_LOOP_ULL_STATIC_START, BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ULL_GUIDED_START, BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins. * gimplify.c (gimplify_omp_for): Allow pointer type for decl, handle POINTER_PLUS_EXPR. If loop counter has been replaced and original iterator is present in lastprivate clause or if collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT. Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. (gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK. (enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF. (omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed, if it is set, lookup var in outer contexts too. Handle OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. Handle vars that are supposed to be implicitly determined firstprivate for task regions. (gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed, if it is set, lookup var in outer contexts too. Set OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set. Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Take region_type as last argument instead of in_parallel and in_combined_parallel. (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare): Adjust callers. (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set. Call omp_finish_clause langhook. (new_omp_context): Set default_kind to OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions. (omp_region_type): New enum. (struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel fields, add region_type. (new_omp_context): Take region_type as argument instead of is_parallel and is_combined_parallel. (gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable, omp_is_private, omp_check_private): Adjust ctx->is_parallel and ctx->is_combined_parallel checks. (gimplify_omp_task): New function. (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. * omp-low.c (extract_omp_for_data): Use schedule(static) for schedule(auto). Handle pointer and unsigned iterators. Compute fd->iter_type. Handle POINTER_PLUS_EXPR increments. Add loops argument. Extract data for collapsed OMP_FOR loops. (expand_parallel_call): Assert sched_kind isn't auto, map runtime schedule to index 3. (struct omp_for_data_loop): New type. (struct omp_for_data): Remove v, n1, n2, step, cond_code fields. Add loop, loops, collapse and iter_type fields. (workshare_safe_to_combine_p): Disallow combined for if iter_type is unsigned long long. Don't combine collapse > 1 loops unless all bounds and steps are constant. Adjust extract_omp_for_data caller. (expand_omp_for_generic): Handle pointer, unsigned and long long iterators. Handle collapsed OMP_FOR loops. Adjust for struct omp_for_data changes. If libgomp function doesn't return boolean_type_node, add comparison of the return value with 0. (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle pointer, unsigned and long long iterators. Adjust for struct omp_for_data changes. (expand_omp_for): Assert sched_kind isn't auto, map runtime schedule to index 3. Use GOMP_loop_ull*{start,next} if iter_type is unsigned long long. Allocate loops array, pass it to extract_omp_for_data. For collapse > 1 loops use always expand_omp_for_generic. (omp_context): Add sfield_map and srecord_type fields. (is_task_ctx, lookup_sfield): New functions. (use_pointer_for_field): Use is_task_ctx helper. Change first argument's type from const_tree to tree. Clarify comment. In OMP_TASK disallow copy-in/out sharing. (build_sender_ref): Call lookup_sfield instead of lookup_field. (install_var_field): Add mask argument. Populate both record_type and srecord_type if needed. (delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN in srecord_type. (fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT} and DECL_FIELD_OFFSET. (scan_sharing_clauses): Adjust install_var_field callers. For firstprivate clauses on explicit tasks allocate the var by value in record_type unconditionally, rather than by reference. Handle OMP_CLAUSE_PRIVATE_OUTER_REF. Scan OMP_CLAUSE_LASTPRIVATE_STMT. Use is_taskreg_ctx instead of is_parallel_ctx. Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. (create_omp_child_function_name): Add task_copy argument, use *_omp_cpyfn* names if it is true. (create_omp_child_function): Add task_copy argument, if true create *_omp_cpyfn* helper function. (scan_omp_parallel): Adjust create_omp_child_function callers. Rename parallel_nesting_level to taskreg_nesting_level. (scan_omp_task): New function. (lower_rec_input_clauses): Don't run constructors for firstprivate explicit task vars which are initialized by *_omp_cpyfn*. Pass outer var ref to omp_clause_default_ctor hook if OMP_CLAUSE_PRIVATE_OUTER_REF or OMP_CLAUSE_LASTPRIVATE. Replace OMP_CLAUSE_REDUCTION_PLACEHOLDER decls in OMP_CLAUSE_REDUCTION_INIT. (lower_send_clauses): Clear DECL_ABSTRACT_ORIGIN if in task to avoid duplicate setting of fields. Handle OMP_CLAUSE_PRIVATE_OUTER_REF. (lower_send_shared_vars): Use srecord_type if non-NULL. Don't copy-out if TREE_READONLY, only copy-in. (expand_task_copyfn): New function. (expand_task_call): New function. (struct omp_taskcopy_context): New type. (task_copyfn_copy_decl, task_copyfn_remap_type, create_task_copyfn): New functions. (lower_omp_parallel): Rename to... (lower_omp_taskreg): ... this. Use OMP_TASKREG_* macros where needed. Call create_task_copyfn if srecord_type is needed. Adjust sender_decl type. (task_shared_vars): New variable. (check_omp_nesting_restrictions): Warn if work-sharing, barrier, master or ordered region is closely nested inside OMP_TASK. Add warnings for barrier if closely nested inside of work-sharing, ordered, or master region. (scan_omp_1): Call check_omp_nesting_restrictions even for GOMP_barrier calls. Rename parallel_nesting_level to taskreg_nesting_level. Handle OMP_TASK. (lower_lastprivate_clauses): Even if some lastprivate is found on a work-sharing construct, continue looking for them on parent parallel construct. (lower_omp_for_lastprivate): Add lastprivate clauses to the beginning of dlist rather than end. Adjust for struct omp_for_data changes. (lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY, not after it. Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller. (get_ws_args_for): Adjust extract_omp_for_data caller. (scan_omp_for): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. (lower_omp_single_simple): If libgomp function doesn't return boolean_type_node, add comparison of the return value with 0. (diagnose_sb_1, diagnose_sb_2): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. Handle OMP_TASK. (parallel_nesting_level): Rename to... (taskreg_nesting_level): ... this. (is_taskreg_ctx): New function. (build_outer_var_ref, omp_copy_decl): Use is_taskreg_ctx instead of is_parallel_ctx. (execute_lower_omp): Rename parallel_nesting_level to taskreg_nesting_level. (expand_omp_parallel): Rename to... (expand_omp_taskreg): ... this. Use OMP_TASKREG_* macros where needed. Call omp_task_call for OMP_TASK regions. (expand_omp): Adjust caller, handle OMP_TASK. (lower_omp_1): Adjust lower_omp_taskreg caller, handle OMP_TASK. * bitmap.c (bitmap_default_obstack_depth): New variable. (bitmap_obstack_initialize, bitmap_obstack_release): Do nothing if argument is NULL and bitmap_default_obstack is already initialized. * ipa-struct-reorg.c (do_reorg_1): Call bitmap_obstack_release at the end. * matrix-reorg.c (matrix_reorg): Likewise. cp/ * cp-tree.h (cxx_omp_finish_clause, cxx_omp_create_clause_info, dependent_omp_for_p, begin_omp_task, finish_omp_task, finish_omp_taskwait): New prototypes. (cxx_omp_clause_default_ctor): Add outer argument. (finish_omp_for): Add new clauses argument. * cp-gimplify.c (cxx_omp_finish_clause): New function. (cxx_omp_predetermined_sharing): Moved from semantics.c, rewritten. (cxx_omp_clause_default_ctor): Add outer argument. (cp_genericize_r): Walk OMP_CLAUSE_LASTPRIVATE_STMT. * cp-objcp-common.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define. * parser.c (cp_parser_omp_for_loop): Parse collapsed for loops. Add par_clauses argument. If decl is present in parallel's lastprivate clause, change that clause to shared and add a lastprivate clause for decl to OMP_FOR_CLAUSES. Fix wording of error messages. Adjust finish_omp_for caller. Add clauses argument. Parse loops with random access iterators. (cp_parser_omp_clause_collapse, cp_parser_omp_clause_untied): New functions. (cp_parser_omp_for, cp_parser_omp_parallel): Adjust cp_parser_omp_for_loop callers. (cp_parser_omp_for_cond, cp_parser_omp_for_incr): New helper functions. (cp_parser_omp_clause_name): Handle collapse and untied clauses. (cp_parser_omp_clause_schedule): Handle auto schedule. (cp_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE and PRAGMA_OMP_CLAUSE_UNTIED. (OMP_FOR_CLAUSE_MASK): Add PRAGMA_OMP_CLAUSE_COLLAPSE. (OMP_TASK_CLAUSE_MASK): Define. (cp_parser_omp_task, cp_parser_omp_taskwait): New functions. (cp_parser_omp_construct): Handle PRAGMA_OMP_TASK. (cp_parser_pragma): Handle PRAGMA_OMP_TASK and PRAGMA_OMP_TASKWAIT. * pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Handle OMP_CLAUSE_LASTPRIVATE_STMT. (tsubst_omp_for_iterator): New function. (dependent_omp_for_p): New function. (tsubst_expr) <case OMP_FOR>: Use it. Handle collapsed OMP_FOR loops. Adjust finish_omp_for caller. Handle loops with random access iterators. Adjust for OMP_FOR_{INIT,COND,INCR} changes. (tsubst_expr): Handle OMP_TASK. * semantics.c (cxx_omp_create_clause_info): New function. (finish_omp_clauses): Call it. Handle OMP_CLAUSE_UNTIED and OMP_CLAUSE_COLLAPSE. (cxx_omp_predetermined_sharing): Removed. * semantics.c (finish_omp_for): Allow pointer iterators. Use handle_omp_for_class_iterator and dependent_omp_for_p. Handle collapsed for loops. Adjust c_finish_omp_for caller. Add new clauses argument. Fix check for type dependent cond or incr. Set OMP_FOR_CLAUSES to clauses. Use cp_convert instead of fold_convert to convert incr amount to difference_type. Only fold if not in template. If decl is mentioned in lastprivate clause, set OMP_CLAUSE_LASTPRIVATE_STMT. Handle loops with random access iterators. Adjust for OMP_FOR_{INIT,COND,INCR} changes. (finish_omp_threadprivate): Allow static class members of the current class. (handle_omp_for_class_iterator, begin_omp_task, finish_omp_task, finish_omp_taskwait): New functions. * parser.c (cp_parser_binary_expression): Add prec argument. (cp_parser_assignment_expression): Adjust caller. * cp-tree.h (outer_curly_brace_block): New prototype. * decl.c (outer_curly_brace_block): No longer static. fortran/ * scanner.c (skip_free_comments, skip_fixed_comments): Handle tabs. * parse.c (next_free): Allow tab after !$omp. (decode_omp_directive): Handle !$omp task, !$omp taskwait and !$omp end task. (case_executable): Add ST_OMP_TASKWAIT. (case_exec_markers): Add ST_OMP_TASK. (gfc_ascii_statement): Handle ST_OMP_TASK, ST_OMP_END_TASK and ST_OMP_TASKWAIT. (parse_omp_structured_block, parse_executable): Handle ST_OMP_TASK. * gfortran.h (gfc_find_sym_in_expr): New prototype. (gfc_statement): Add ST_OMP_TASK, ST_OMP_END_TASK and ST_OMP_TASKWAIT. (gfc_omp_clauses): Add OMP_SCHED_AUTO to sched_kind, OMP_DEFAULT_FIRSTPRIVATE to default_sharing. Add collapse and untied fields. (gfc_exec_op): Add EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * f95-lang.c (LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, LANG_HOOKS_OMP_CLAUSE_DTOR, LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define. * trans.h (gfc_omp_clause_default_ctor): Add another argument. (gfc_omp_clause_copy_ctor, gfc_omp_clause_assign_op, gfc_omp_clause_dtor, gfc_omp_private_outer_ref): New prototypes. * types.def (BT_ULONGLONG, BT_PTR_ULONGLONG, BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_VOID_PTR_PTR, BT_PTR_FN_VOID_PTR_PTR, BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New. (BT_BOOL): Use integer type with BOOL_TYPE_SIZE rather than boolean_type_node. * dump-parse-tree.c (gfc_show_omp_node): Handle EXEC_OMP_TASK, EXEC_OMP_TASKWAIT, OMP_SCHED_AUTO, OMP_DEFAULT_FIRSTPRIVATE, untied and collapse clauses. (gfc_show_code_node): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * trans.c (gfc_trans_code): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * st.c (gfc_free_statement): Likewise. * resolve.c (gfc_resolve_blocks, resolve_code): Likewise. (find_sym_in_expr): Rename to... (gfc_find_sym_in_expr): ... this. No longer static. (resolve_allocate_expr, resolve_ordinary_assign): Adjust caller. * match.h (gfc_match_omp_task, gfc_match_omp_taskwait): New prototypes. * openmp.c (resolve_omp_clauses): Allow allocatable arrays in firstprivate, lastprivate, reduction, copyprivate and copyin clauses. (omp_current_do_code): Made static. (omp_current_do_collapse): New variable. (gfc_resolve_omp_do_blocks): Compute omp_current_do_collapse, clear omp_current_do_code and omp_current_do_collapse on return. (gfc_resolve_do_iterator): Handle collapsed do loops. (resolve_omp_do): Likewise, diagnose errorneous collapsed do loops. (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): Define. (gfc_match_omp_clauses): Handle default (firstprivate), schedule (auto), untied and collapse (n) clauses. (OMP_DO_CLAUSES): Add OMP_CLAUSE_COLLAPSE. (OMP_TASK_CLAUSES): Define. (gfc_match_omp_task, gfc_match_omp_taskwait): New functions. * trans-openmp.c (gfc_omp_private_outer_ref): New function. (gfc_omp_clause_default_ctor): Add outer argument. For allocatable arrays allocate them with the bounds of the outer var if outer var is allocated. (gfc_omp_clause_copy_ctor, gfc_omp_clause_assign_op, gfc_omp_clause_dtor): New functions. (gfc_trans_omp_array_reduction): If decl is allocatable array, allocate it with outer var's bounds in OMP_CLAUSE_REDUCTION_INIT and deallocate it in OMP_CLAUSE_REDUCTION_MERGE. (gfc_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED for assumed-size arrays. (gfc_trans_omp_do): Add par_clauses argument. If dovar is present in lastprivate clause and do loop isn't simple, set OMP_CLAUSE_LASTPRIVATE_STMT. If dovar is present in parallel's lastprivate clause, change it to shared and add lastprivate clause to OMP_FOR_CLAUSES. Handle collapsed do loops. (gfc_trans_omp_directive): Adjust gfc_trans_omp_do callers. (gfc_trans_omp_parallel_do): Likewise. Move collapse clause to OMP_FOR from OMP_PARALLEL. (gfc_trans_omp_clauses): Handle OMP_SCHED_AUTO, OMP_DEFAULT_FIRSTPRIVATE, untied and collapse clauses. (gfc_trans_omp_task, gfc_trans_omp_taskwait): New functions. (gfc_trans_omp_directive): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. gcc/testsuite/ * gcc.dg/gomp/collapse-1.c: New test. * gcc.dg/gomp/nesting-1.c: New test. * g++.dg/gomp/task-1.C: New test. * g++.dg/gomp/predetermined-1.C: New test. * g++.dg/gomp/tls-4.C: New test. * gfortran.dg/gomp/collapse1.f90: New test. * gfortran.dg/gomp/sharing-3.f90: New test. * gcc.dg/gomp/pr27499.c (foo): Remove is unsigned dg-warning. * g++.dg/gomp/pr27499.C (foo): Likewise. * g++.dg/gomp/for-16.C (foo): Likewise. * g++.dg/gomp/tls-3.C: Remove dg-error, add S::s definition. * g++.dg/gomp/pr34607.C: Adjust dg-error location. * g++.dg/gomp/for-16.C (foo): Add a new dg-error. * gcc.dg/gomp/appendix-a/a.35.4.c: Add dg-warning. * gcc.dg/gomp/appendix-a/a.35.6.c: Likewise. * gfortran.dg/gomp/appendix-a/a.35.4.f90: Likewise. * gfortran.dg/gomp/appendix-a/a.35.6.f90: Likewise. * gfortran.dg/gomp/omp_parse1.f90: Remove !$omp tab test. * gfortran.dg/gomp/appendix-a/a.33.4.f90: Remove dg-error about allocatable array. * gfortran.dg/gomp/reduction1.f90: Likewise. libgomp/ * configure.ac (LIBGOMP_GNU_SYMBOL_VERSIONING): New AC_DEFINE. Substitute also OMP_*LOCK_25*. * configure: Regenerated. * config.h.in: Regenerated. * Makefile.am (libgomp_la_SOURCES): Add loop_ull.c, iter_ull.c, ptrlock.c and task.c. * Makefile.in: Regenerated. * testsuite/Makefile.in: Regenerated. * task.c: New file. * loop_ull.c: New file. * iter_ull.c: New file. * libgomp.h: Include ptrlock.h. (enum gomp_task_kind): New type. (struct gomp_team): Add task_lock, task_queue, task_count, task_running_count, single_count fields. Add work_share_list_free_lock ifndef HAVE_SYNC_BUILTINS. Remove work_share_lock, generation_mask, oldest_live_gen, num_live_gen and init_work_shares fields, add work work_share_list_alloc, work_share_list_free and work_share_chunk fields. Change work_shares from pointer to pointers into an array. Change ordered_release field into gomp_sem_t ** from flexible array member. Add implicit_task and initial_work_shares fields. Move close to the end of the struct. (struct gomp_team_state): Add single_count, last_work_share, active_level and level fields, remove work_share_generation. (gomp_barrier_handle_tasks): New prototype. (gomp_finish_task): New inline function. (struct gomp_work_share): Move chunk_size, end, incr into transparent union/struct, add chunk_size_ull, end_ll, incr_ll and next_ll fields. Reshuffle fields. Add next_alloc, next_ws, next_free and inline_ordered_team_ids fields, change ordered_team_ids into pointer from flexible array member. Add mode field. Put lock and next into a different cache line from most of the write-once fields. (gomp_iter_ull_static_next, gomp_iter_ull_dynamic_next_locked, gomp_iter_ull_guided_next_locked, gomp_iter_ull_dynamic_next, gomp_iter_ull_guided_next): New prototypes. (gomp_new_icv): New prototype. (struct gomp_thread): Add thread_pool and task fields. (struct gomp_thread_pool): New type. (gomp_new_team): New prototype. (gomp_team_start): Change type of last argument. (gomp_new_work_share): Removed. (gomp_init_work_share, gomp_fini_work_share): New prototypes. (gomp_work_share_init_done): New static inline. (gomp_throttled_spin_count_var, gomp_available_cpus, gomp_managed_threads): New extern decls. (gomp_init_task): New prototype. (gomp_spin_count_var): New extern var decl. (LIBGOMP_GNU_SYMBOL_VERSIONING): Undef if no visibility or no alias support, or if not PIC. (gomp_init_lock_30, gomp_destroy_lock_30, gomp_set_lock_30, gomp_unset_lock_30, gomp_test_lock_30, gomp_init_nest_lock_30, gomp_destroy_nest_lock_30, gomp_set_nest_lock_30, gomp_unset_nest_lock_30, gomp_test_nest_lock_30, gomp_init_lock_25, gomp_destroy_lock_25, gomp_set_lock_25, gomp_unset_lock_25, gomp_test_lock_25, gomp_init_nest_lock_25, gomp_destroy_nest_lock_25, gomp_set_nest_lock_25, gomp_unset_nest_lock_25, gomp_test_nest_lock_25): New prototypes. (omp_lock_symver, strong_alias): Define. (gomp_remaining_threads_count, gomp_remaining_threads_lock): New decls. (gomp_end_task): New. (struct gomp_task_icv, gomp_global_icv): New. (gomp_thread_limit_var, gomp_max_active_levels_var): New. (struct gomp_task): New. (gomp_nthreads_var, gomp_dyn_var, gomp_nest_var, gomp_run_sched_var, gomp_run_sched_chunk): Remove. (gomp_icv): New. (gomp_schedule_type): Reorder enum to match omp_sched_t. * team.c (struct gomp_thread_start_data): Add thread_pool and task fields. (gomp_thread_start): Add gomp_team_barrier_wait call. For non-nested case remove clearing of docked thread thr fields. Use pool fields instead of global gomp_* variables. Use gomp_barrier_wait_last when needed. Initialize ts.active_level. Create tasks for each member thread. (free_team): Only destroy team barrier, task_lock here and free it. (gomp_free_thread): Free last_team if non-NULL. (gomp_team_end): Call gomp_team_barrier_wait instead of gomp_barrier_wait. For nested case call one extra gomp_barrier_wait. Move here some destruction from free_team. Call free_team on pool->last_team if any, rather than freeing current team. Destroy work_share_list_free_lock ifndef HAVE_SYNC_BUILTINS. (gomp_new_icv): New function. (gomp_threads, gomp_threads_size, gomp_threads_used, gomp_threads_dock): Removed. (gomp_thread_destructor): New variable. (gomp_new_thread_pool, gomp_free_pool_helper, gomp_free_thread): New functions. (gomp_team_start): Create new pool if current thread doesn't have one. Use pool fields instead of global gomp_* variables. Initialize thread_pool field for new threads. Clear single_count. Change last argument from ws to team, don't create new team, set ts.work_share to &team->work_shares[0] and clear ts.last_work_share. Don't clear ts.work_share_generation. If number of threads changed, adjust atomically gomp_managed_threads. Use gomp_init_task instead of gomp_new_task, set thr->task to the corresponding implicit_task array entry. Create tasks for each member thread. Initialize ts.level. (initialize_team): Call pthread_key_create on gomp_thread_destructor. (team_destructor): New function. (new_team): Removed. (gomp_new_team): New function. (free_team): Free gomp_work_share blocks chained through next_alloc, instead of freeing work_shares and destroying work_share_lock. (gomp_team_end): Call gomp_fini_work_share. If number of threads changed, adjust atomically gomp_managed_threads. Use gomp_end_task. * barrier.c (GOMP_barrier): Call gomp_team_barrier_wait instead of gomp_barrier_wait. * single.c (GOMP_single_copy_start): Call gomp_team_barrier_wait instead of gomp_barrier_wait. Call gomp_work_share_init_done if gomp_work_share_start returned true. Don't unlock ws->lock. (GOMP_single_copy_end): Call gomp_team_barrier_wait instead of gomp_barrier_wait. (GOMP_single_start): Rewritten if HAVE_SYNC_BUILTINS. Call gomp_work_share_init_done if gomp_work_share_start returned true. Don't unlock ws->lock. * work.c: Include stddef.h. (free_work_share): Use work_share_list_free_lock instead of atomic chaining ifndef HAVE_SYNC_BUILTINS. Add team argument. Call gomp_fini_work_share and then either free ws if orphaned, or put it into work_share_list_free list of the current team. (alloc_work_share, gomp_init_work_share, gomp_fini_work_share): New functions. (gomp_work_share_start, gomp_work_share_end, gomp_work_share_end_nowait): Rewritten. * omp_lib.f90.in Change some tabs to spaces to prevent warnings. (openmp_version): Set to 200805. (omp_sched_kind, omp_sched_static, omp_sched_dynamic, omp_sched_guided, omp_sched_auto): New parameters. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New interfaces. * omp_lib.h.in (openmp_version): Set to 200805. (omp_sched_kind, omp_sched_static, omp_sched_dynamic, omp_sched_guided, omp_sched_auto): New parameters. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New externals. * loop.c: Include limits.h. (GOMP_loop_runtime_next, GOMP_loop_ordered_runtime_next): Handle GFS_AUTO. (GOMP_loop_runtime_start, GOMP_loop_ordered_runtime_start): Likewise. Use gomp_icv. (gomp_loop_static_start, gomp_loop_dynamic_start): Clear ts.static_trip here. (gomp_loop_static_start, gomp_loop_ordered_static_start): Call gomp_work_share_init_done after gomp_loop_init. Don't unlock ws->lock. (gomp_loop_dynamic_start, gomp_loop_guided_start): Call gomp_work_share_init_done after gomp_loop_init. If HAVE_SYNC_BUILTINS, don't unlock ws->lock, otherwise lock it. (gomp_loop_ordered_dynamic_start, gomp_loop_ordered_guided_start): Call gomp_work_share_init_done after gomp_loop_init. Lock ws->lock. (gomp_parallel_loop_start): Call gomp_new_team instead of gomp_new_work_share. Call gomp_loop_init on &team->work_shares[0]. Adjust gomp_team_start caller. Pass 0 as second argument to gomp_resolve_num_threads. (gomp_loop_init): For GFS_DYNAMIC, multiply ws->chunk_size by incr. If adding ws->chunk_size nthreads + 1 times after end won't overflow, set ws->mode to 1. * libgomp_g.h (GOMP_loop_ull_static_start, GOMP_loop_ull_dynamic_start, GOMP_loop_ull_guided_start, GOMP_loop_ull_runtime_start, GOMP_loop_ull_ordered_static_start, GOMP_loop_ull_ordered_dynamic_start, GOMP_loop_ull_ordered_guided_start, GOMP_loop_ull_ordered_runtime_start, GOMP_loop_ull_static_next, GOMP_loop_ull_dynamic_next, GOMP_loop_ull_guided_next, GOMP_loop_ull_runtime_next, GOMP_loop_ull_ordered_static_next, GOMP_loop_ull_ordered_dynamic_next, GOMP_loop_ull_ordered_guided_next, GOMP_loop_ull_ordered_runtime_next, GOMP_task, GOMP_taskwait): New prototypes. * libgomp.map: Export lock routines also @@OMP_2.0. (GOMP_loop_ordered_dynamic_first, GOMP_loop_ordered_guided_first, GOMP_loop_ordered_runtime_first, GOMP_loop_ordered_static_first): Remove. (GOMP_loop_ull_dynamic_next, GOMP_loop_ull_dynamic_start, GOMP_loop_ull_guided_next, GOMP_loop_ull_guided_start, GOMP_loop_ull_ordered_dynamic_next, GOMP_loop_ull_ordered_dynamic_start, GOMP_loop_ull_ordered_guided_next, GOMP_loop_ull_ordered_guided_start, GOMP_loop_ull_ordered_runtime_next, GOMP_loop_ull_ordered_runtime_start, GOMP_loop_ull_ordered_static_next, GOMP_loop_ull_ordered_static_start, GOMP_loop_ull_runtime_next, GOMP_loop_ull_runtime_start, GOMP_loop_ull_static_next, GOMP_loop_ull_static_start, GOMP_task, GOMP_taskwait): Export @@GOMP_2.0. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level, omp_set_schedule_, omp_set_schedule_8_, omp_get_schedule_, omp_get_schedule_8_, omp_get_thread_limit_, omp_set_max_active_levels_, omp_set_max_active_levels_8_, omp_get_max_active_levels_, omp_get_level_, omp_get_ancestor_thread_num_, omp_get_ancestor_thread_num_8_, omp_get_team_size_, omp_get_team_size_8_, omp_get_active_level_): New exports @@OMP_3.0. * omp.h.in (omp_sched_t): New type. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New prototypes. * env.c (gomp_spin_count_var, gomp_throttled_spin_count_var, gomp_available_cpus, gomp_managed_threads, gomp_max_active_levels_var, gomp_thread_limit_var, gomp_remaining_threads_count, gomp_remaining_threads_lock): New variables. (parse_spincount): New function. (initialize_env): Call gomp_init_num_threads unconditionally. Initialize gomp_available_cpus. Call parse_spincount, initialize gomp_{,throttled_}spin_count_var depending on presence and value of OMP_WAIT_POLICY and GOMP_SPINCOUNT env vars. Handle GOMP_BLOCKTIME env var. Handle OMP_WAIT_POLICY, OMP_MAX_ACTIVE_LEVELS, OMP_THREAD_LIMIT, OMP_STACKSIZE env vars. Handle unit specification for GOMP_STACKSIZE. Initialize gomp_remaining_threads_count and gomp_remaining_threads_lock if needed. Use gomp_global_icv. (gomp_nthreads_var, gomp_dyn_var, gomp_nest_var, gomp_run_sched_var, gomp_run_sched_chunk): Remove. (gomp_global_icv): New. (parse_schedule): Use it. Parse "auto". (omp_set_num_threads): Use gomp_icv. (omp_set_dynamic, omp_get_dynamic, omp_set_nested, omp_get_nested): Likewise. (omp_get_max_threads): Move from parallel.c. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels): New functions, add ialias. (parse_stacksize, parse_wait_policy): New functions. * fortran.c: Rewrite lock wrappers, if symbol versioning provide both wrappers for compatibility and new locks. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New ialias_redirect. (omp_set_schedule_, omp_set_schedule_8_, omp_get_schedule_, omp_get_schedule_8_, omp_get_thread_limit_, omp_set_max_active_levels_, omp_set_max_active_levels_8_, omp_get_max_active_levels_, omp_get_level_, omp_get_ancestor_thread_num_, omp_get_ancestor_thread_num_8_, omp_get_team_size_, omp_get_team_size_8_, omp_get_active_level_): New functions. * parallel.c: Include limits.h. (gomp_resolve_num_threads): Add count argument. Rewritten. (GOMP_parallel_start): Call gomp_new_team and pass that as last argument to gomp_team_start. Pass 0 as second argument to gomp_resolve_num_threads. (GOMP_parallel_end): Decrease gomp_remaining_threads_count if gomp_thread_limit_var != ULONG_MAX. (omp_in_parallel): Implement using ts.active_level. (omp_get_max_threads): Move to env.c. (omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New functions, add ialias. * sections.c (GOMP_sections_start): Call gomp_work_share_init_done after gomp_sections_init. If HAVE_SYNC_BUILTINS, call gomp_iter_dynamic_next instead of the _locked variant and don't take lock around it, otherwise acquire it before calling gomp_iter_dynamic_next_locked. (GOMP_sections_next): If HAVE_SYNC_BUILTINS, call gomp_iter_dynamic_next instead of the _locked variant and don't take lock around it. (GOMP_parallel_sections_start): Call gomp_new_team instead of gomp_new_work_share. Call gomp_sections_init on &team->work_shares[0]. Adjust gomp_team_start caller. Pass count as second argument to gomp_resolve_num_threads, don't adjust num_threads after the call. Use gomp_icv. * iter.c (gomp_iter_dynamic_next_locked): Don't multiply ws->chunk_size by incr. (gomp_iter_dynamic_next): Likewise. If ws->mode, use more efficient code. * libgomp_f.h.in (omp_lock_25_arg_t, omp_nest_lock_25_arg_t): New types. (omp_lock_25_arg, omp_nest_lock_25_arg): New macros. (omp_check_defines): Check even the compat defines. * config/linux/ptrlock.c: New file. * config/linux/ptrlock.h: New file. * config/linux/wait.h: New file. * config/posix/ptrlock.c: New file. * config/posix/ptrlock.h: New file. * config/linux/bar.h (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New prototypes. (gomp_team_barrier_set_task_pending, gomp_team_barrier_clear_task_pending, gomp_team_barrier_set_waiting_for_tasks, gomp_team_barrier_waiting_for_tasks, gomp_team_barrier_done): New inlines. (gomp_barrier_t): Rewritten. (gomp_barrier_state_t): New typedef. (gomp_barrier_init, gomp_barrier_reinit, gomp_barrier_destroy, gomp_barrier_wait_start): Rewritten. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_barrier_last_thread, gomp_barrier_wait_last): New static inlines. * config/linux/bar.c: Include wait.h instead of libgomp.h and futex.h. (gomp_barrier_wait_end): Rewritten. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake, gomp_barrier_wait_last): New functions. * config/posix/bar.h (gomp_barrier_t): Add generation field. (gomp_barrier_state_t): New typedef. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New prototypes. (gomp_barrier_wait_start): Or all but low 2 bits from generation into the return value. Return gomp_barrier_state_t. (gomp_team_barrier_set_task_pending, gomp_team_barrier_clear_task_pending, gomp_team_barrier_set_waiting_for_tasks, gomp_team_barrier_waiting_for_tasks, gomp_team_barrier_done): New inlines. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_barrier_last_thread, gomp_barrier_wait_last): New static inlines. * config/posix/bar.c (gomp_barrier_init): Clear generation field. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New functions. * config/linux/mutex.c: Include wait.h instead of libgomp.h and futex.h. (gomp_futex_wake, gomp_futex_wait): New variables. (gomp_mutex_lock_slow): Call do_wait instead of futex_wait. * config/linux/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. Include wait.h instead of libgomp.h and futex.h. (gomp_set_nest_lock_25): Call do_wait instead of futex_wait. * config/posix95/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. * config/posix/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. * config/linux/proc.c (gomp_init_num_threads): Use gomp_global_icv. (get_num_procs, gomp_dynamic_max_threads): Use gomp_icv. * config/posix/proc.c, config/mingw32/proc.c: Similarly. * config/linux/powerpc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/alpha/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/x86/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/s390/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/ia64/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/sparc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/sem.c: Include wait.h instead of libgomp.h and futex.h. (gomp_sem_wait_slow): Call do_wait instead of futex_wait. * config/linux/affinity.c: Assume HAVE_SYNC_BUILTINS. * config/linux/omp-lock.h (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_nest_lock_t): Change owner into void *, add lock field. * config/posix95/omp-lock.h: Include semaphore.h. (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_lock_t): Use sem_t instead of mutex if semaphores aren't broken. (omp_nest_lock_t): Likewise. Change owner to void *. * config/posix/omp-lock.h: Include semaphore.h. (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_lock_t): Use sem_t instead of mutex if semaphores aren't broken. (omp_nest_lock_t): Likewise. Add owner field. * testsuite/libgomp.c/collapse-1.c: New test. * testsuite/libgomp.c/collapse-2.c: New test. * testsuite/libgomp.c/collapse-3.c: New test. * testsuite/libgomp.c/icv-1.c: New test. * testsuite/libgomp.c/icv-2.c: New test. * testsuite/libgomp.c/lib-2.c: New test. * testsuite/libgomp.c/lock-1.c: New test. * testsuite/libgomp.c/lock-2.c: New test. * testsuite/libgomp.c/lock-3.c: New test. * testsuite/libgomp.c/loop-4.c: New test. * testsuite/libgomp.c/loop-5.c: New test. * testsuite/libgomp.c/loop-6.c: New test. * testsuite/libgomp.c/loop-7.c: New test. * testsuite/libgomp.c/loop-8.c: New test. * testsuite/libgomp.c/loop-9.c: New test. * testsuite/libgomp.c/nested-3.c: New test. * testsuite/libgomp.c/nestedfn-6.c: New test. * testsuite/libgomp.c/sort-1.c: New test. * testsuite/libgomp.c/task-1.c: New test. * testsuite/libgomp.c/task-2.c: New test. * testsuite/libgomp.c/task-3.c: New test. * testsuite/libgomp.c/task-4.c: New test. * testsuite/libgomp.c++/c++.exp: Add libstdc++-v3 build includes to C++ testsuite default compiler options. * testsuite/libgomp.c++/collapse-1.C: New test. * testsuite/libgomp.c++/collapse-2.C: New test. * testsuite/libgomp.c++/ctor-10.C: New test. * testsuite/libgomp.c++/for-1.C: New test. * testsuite/libgomp.c++/for-2.C: New test. * testsuite/libgomp.c++/for-3.C: New test. * testsuite/libgomp.c++/for-4.C: New test. * testsuite/libgomp.c++/for-5.C: New test. * testsuite/libgomp.c++/loop-8.C: New test. * testsuite/libgomp.c++/loop-9.C: New test. * testsuite/libgomp.c++/loop-10.C: New test. * testsuite/libgomp.c++/task-1.C: New test. * testsuite/libgomp.c++/task-2.C: New test. * testsuite/libgomp.c++/task-3.C: New test. * testsuite/libgomp.c++/task-4.C: New test. * testsuite/libgomp.c++/task-5.C: New test. * testsuite/libgomp.c++/task-6.C: New test. * testsuite/libgomp.fortran/allocatable1.f90: New test. * testsuite/libgomp.fortran/allocatable2.f90: New test. * testsuite/libgomp.fortran/allocatable3.f90: New test. * testsuite/libgomp.fortran/allocatable4.f90: New test. * testsuite/libgomp.fortran/collapse1.f90: New test. * testsuite/libgomp.fortran/collapse2.f90: New test. * testsuite/libgomp.fortran/collapse3.f90: New test. * testsuite/libgomp.fortran/collapse4.f90: New test. * testsuite/libgomp.fortran/lastprivate1.f90: New test. * testsuite/libgomp.fortran/lastprivate2.f90: New test. * testsuite/libgomp.fortran/lib4.f90: New test. * testsuite/libgomp.fortran/lock-1.f90: New test. * testsuite/libgomp.fortran/lock-2.f90: New test. * testsuite/libgomp.fortran/nested1.f90: New test. * testsuite/libgomp.fortran/nestedfn4.f90: New test. * testsuite/libgomp.fortran/strassen.f90: New test. * testsuite/libgomp.fortran/tabs1.f90: New test. * testsuite/libgomp.fortran/tabs2.f: New test. * testsuite/libgomp.fortran/task1.f90: New test. * testsuite/libgomp.fortran/task2.f90: New test. * testsuite/libgomp.fortran/vla4.f90: Add dg-warning. * testsuite/libgomp.fortran/vla5.f90: Likewise. * testsuite/libgomp.c/pr26943-2.c: Likewise. * testsuite/libgomp.c/pr26943-3.c: Likewise. * testsuite/libgomp.c/pr26943-4.c: Likewise. Co-Authored-By: Jakob Blomer <jakob.blomer@ira.uka.de> Co-Authored-By: Richard Henderson <rth@redhat.com> Co-Authored-By: Ulrich Drepper <drepper@redhat.com> From-SVN: r136433
2008-06-06 15:01:54 +02:00
else if (thread->ts.active_level >= 1 && !icv->nest_var)
return 1;
else if (thread->ts.active_level >= gomp_max_active_levels_var)
[multiple changes] 2006-01-18 Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * libgomp: New directory. * Makefile.def: Add target_module libgomp. * Makefile.in: Regenerate. * configure.in (target_libraries): Add target-libgomp. * configure: Regenerate. contrib/ 2006-01-18 Richard Henderson <rth@redhat.com> Diego Novillo <dnovillo@redhat.com> * gcc_update (files_and_dependencies): Add libgomp files. gcc/ 2006-01-18 Richard Henderson <rth@redhat.com> Aldy Hernandez <aldyh@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * omp-low.c: New file. * c-omp.c: New file. 2006-01-18 Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * doc/invoke.texi: Document -fopenmp. * tree-dump.h (debug_function): Declare. * hooks.c (hook_bool_tree_bool_false): New function. (hook_tree_tree_null): Remove. (hook_tree_tree_tree_null): New. * hooks.h: Update to match. * tree-pretty-print.c (debug_tree_chain): New. (print_generic_expr): Handle TDF_CHAIN. (dump_generic_node): Handle BLOCK. Do not abort with incomplete SWITCH_EXPRs. Do not dump body of an OpenMP directive if TDF_SLIM is given. <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't print space after directive name. <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY. Handle OMP_MASTER and OMP_ORDERED. Handle printing of OMP_BODY just in one place, goto dump_omp_body in the rest of OMP_* nodes that have OMP_BODY. Don't handle clause nodes here. Update omp statements to use dump_omp_clauses. Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION, OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC, OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF, GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED, GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE, GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE. Adjust output for GOMP_PARALLEL. (dump_omp_clauses): New. (print_declaration): Dump DECL_VALUE_EXPR. (op_symbol_1): Split out of op_symbol. (dumping_stmts): Remove. Update all users. * cgraph.c (cgraph_analyze_queue): New. (cgraph_add_new_function): New. * cgraph.h (cgraph_analyze_queue): Declare. (cgraph_add_new_function): Declare. (cgraph_lower_function): Remove. * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_* nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS and TYPE_P nodes in its default clause. (empty_body_p): New. (tree_range_check_failed): New. (build5_stat): New. * tree.h (OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE, OMP_CLAUSE_REDUCTION_PLACEHOLDER, OMP_CLAUSE_PRIVATE_DEBUG, OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY, OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY, OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND, OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL, OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR, OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT, OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT, OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC, OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST, OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY, OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY, OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New. (TREE_RANGE_CHECK): New. (empty_body_p): Declare. (enum omp_clause_default_kind): New. (build_string_literal): Declare. (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New. (build5_stat, build5): Declare. * tree-pass.h (TDF_CHAIN): Define. * tree-pass.h (PROP_gimple_lomp): Define. (pass_lower_omp): Declare. * diagnostic.h (debug_tree_chain): Declare. * builtins.c (get_builtin_sync_mode): Use 0 as last argument to mode_for_size. (expand_builtin): Handle sync BUILT_IN_*_16 builtins. * builtins.c (build_string_literal): Make extern. * gcc.c (include_spec_function): New. (static_spec_functions): Add it. (main): Move load of libgomp.spec ... (LINK_COMMAND_SPEC): ... here. (link_gomp_spec): New. (static_specs): Include it. (LINK_COMMAND_SPEC): Add link_gomp. (GOMP_SELF_SPECS): New. (driver_self_specs): Include it. (switch_matches): Don't mark inline. (main): Load libgomp.spec. * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION, and OMP_SINGLE, OMP_FOR and OMP_PARALLEL. * tree-gimple.h (enum omp_parallel): Declare. (determine_parallel_type): Declare. (omp_firstprivatize_variable): Declare. (omp_reduction_init): Declare. (diagnose_omp_structured_block_errors): Declare. (struct walk_stmt_info): Add want_return_expr. (struct walk_stmt_info): Add want_bind_expr, want_locations. (find_omp_clause): Declare. (insert_field_into_struct): Declare. (struct walk_stmt_info): Move from tree-nested.c (walk_stmts): Declare. * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP to 200505. * cgraphunit.c (cgraph_lower_function): Make static. (cgraph_finalize_pending_functions): New. (cgraph_finalize_function): Call it. (cgraph_finalize_compilation_unit): Likewise. * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16, BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add. (BT_FN_UINT_UINT): New. (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7, DEF_FUNCTION_TYPE_VAR_4): Document. (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT, BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR, BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT, BT_FN_VOID_OMPFN_PTR_UINT_UINT, BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR, BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New. * builtins.def: Update DEF_BUILTIN comment to include COND argument. Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins into separate files. (DEF_GOMP_BUILTIN): New. (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER, BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END, BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END, BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START, BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START, BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START, BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START, BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START, BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT, 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_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT, BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END, BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END, BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT, BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END, BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START, BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New. * sync-builtins.def: New file, moved from builtins.def. * omp-builtins.def: New file, moved from builtins.def. * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine. * gimple-low.c (lower_function_body): Clear data. (lower_stmt): Do not handle COMPOUND_EXPR. Remove call to print_node_brief. * c-tree.h (c_finish_omp_clauses): New prototype. (C_DECL_THREADPRIVATE_P): Define. (lookup_name_no_remap, c_omp_remap_private): Remove (c_begin_omp_parallel, c_finish_omp_parallel): Update. (check_for_loop_decls): Update decl. (lookup_name_no_remap, c_omp_remap_private): Declare. (build_indirect_ref, build_modify_expr, pushdecl, pushdecl_top_level): Move to c-common.h. * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp before the switch, but just in the 2 places that need it. * c-decl.c (diagnose_mismatched_decls): Do not check for mismatched thread-local attributes when OLDDECL is marked threadprivate and NEWDECL has no thread-local attributes. (merge_decls): Merge C_DECL_THREADPRIVATE_P. (c_gimple_diagnostics_recursively): Rename from c_warn_unused_result_recursively. Invoke diagnose_omp_structured_block_errors. (check_for_loop_decls): Return a singular decl found. * langhooks.c (lhd_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls. (lhd_omp_firstprivatize_type_sizes): New. (lhd_omp_assignment): New. (lhd_omp_predetermined_sharing): New. * langhooks.h (struct gimplify_omp_ctx): Forward declare. (struct lang_hooks_for_types): Add omp_firstprivatize_type_sizes, omp_privatize_by_reference, omp_predetermined_sharing, omp_disregard_value_expr, omp_private_debug_clause, omp_clause_default_ctor, omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor. (c_finish_omp_clauses): New. (c_finish_bc_stmt): Diagnose break within omp for. (c_begin_omp_parallel, c_finish_omp_parallel): New. (build_unary_op): Return error_mark after reporting a readonly_error. (build_modify_expr): Likewise. * gimplify.c: Include optabs.h and pointer-set.h. (enum gimplify_omp_var_data): Declare. (struct gimplify_omp_ctx): Declare. (struct gimplify_ctx): Add fields prev_context, combined_pre_p and combined_ctxp. (gimplify_ctxp, gimplify_omp_ctxp): New local variables. (push_gimplify_context, pop_gimplify_context): Allow nesting. (splay_tree_compare_decl_uid): New. (new_omp_context): New. (delete_omp_context): New. (gimple_add_tmp_var): Call omp_add_variable. (gimplify_bind_expr): Likewise. (gimplify_var_or_parm_decl): If omp_notice_variable returned true, disregard DECL_VALUE_EXPR on the decl if any. (gimplify_expr_in_ctx): New. (omp_firstprivatize_variable, omp_firstprivatize_type_sizes omp_add_variable, omp_notice_variable, omp_is_private gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1 gimplify_adjust_omp_clauses, gimplify_omp_parallel gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p gimplify_omp_atomic_fetch_op, goa_stabilize_expr gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex gimplify_omp_atomic): New. (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS, OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL and OMP_ATOMIC. (gimplify_body): Verify gimplify_ctxp is empty after gimplification. * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER, PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR, PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED, PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR, PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION, PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE, PRAGMA_OMP_THREADPRIVATE. * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS, OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define. * print-tree.c (print_node): Dump DECL_VALUE_EXPR. * tree-ssa-dce.c (find_control_dependence): Do not assume that ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR). * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for OpenMP directives. (struct nesting_info): Add field_map, suppress_expansion, debug_var_chain. (create_nesting_tree): Initialize them. (lookup_field_for_decl): Use field_map. (get_nonlocal_debug_decl, get_local_debug_decl): New. (convert_local_omp_clauses): New. (finalize_nesting_tree_1): Add debug_var_chain to toplevel block. (walk_body): Split out of walk_function. (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New. (convert_nonlocal_reference): Handle omp statements. (convert_local_reference): Likewise. (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1. (unnest_nesting_tree): New. (lower_nested_functions): Call it. (insert_field_into_struct): Make extern. (struct walk_stmt_info): Move to tree-gimple.h. (walk_stmts): Make extern. * omp-builtins.def: New file. * tree-iterator.c (expr_only): Clarify comment. * c-common.h (pushdecl_top_level, pushdecl, build_modify_expr, build_indirect_ref, c_finish_omp_master, c_finish_omp_critical, c_finish_omp_ordered, c_finish_omp_barrier, c_finish_omp_atomic, c_finish_omp_flush, c_finish_omp_for, c_split_parallel_clauses, omp_clause_default_kind, c_omp_sharing_predetermined, c_omp_remap_decl): Declare. * Makefile.in (BUILTINS_DEF): Add omp-builtins.def. (OBJS-common): Add omp-low.o. (c-omp.o, omp-low.o): Add. (gimplify.o): Add dependency on $(OPTABS_H). (GTFILES): Add omp-low.c. (gt-stringpool.h): Add. * tree-cfg.c (set_bb_for_stmt): Do not update the block-to-labels map if we are currently expanding to RTL. (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P checks. Handle IDENTIFIER_NODE. (tree_verify_flow_info): Do not ICE when emitting error messages about invalid labels. (dump_function_to_file): Reset CFUN before emitting the body of the function. (debug_function): New. * passes.c (init_optimization_passes): Schedule pass_lower_omp. * langhooks-def.h (lhd_omp_predetermined_sharing, lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes): Declare. (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define. (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it. (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE, LANG_HOOKS_OMP_PREDETERMINED_SHARING, LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR, LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE, LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR, LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, LANG_HOOKS_OMP_CLAUSE_DTOR): Define. (LANG_HOOK_DECLS): Use them. 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com> Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * c-parser.c (pragma_omp_clause): Define. (c_parser_declaration_or_fndef): Document OpenMP syntax. (c_parser_compound_statement): Likewise. (c_parser_statement): Likewise. (c_parser_pragma): Handle omp pragmas. (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK, OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define. (c_parser_omp_clause_name, check_no_duplicate_clause, c_parser_omp_variable_list, c_parser_omp_var_list_parens, c_parser_omp_clause_copyin, c_parser_omp_clause_copyprivate, c_parser_omp_clause_default, c_parser_omp_clause_firstprivate, c_parser_omp_clause_if, c_parser_omp_clause_lastprivate, c_parser_omp_clause_nowait, c_parser_omp_clause_num_threads, c_parser_omp_clause_ordered, c_parser_omp_clause_private, c_parser_omp_clause_reduction, c_parser_omp_clause_schedule, c_parser_omp_clause_shared, c_parser_omp_all_clauses, c_parser_omp_structured_block, c_parser_omp_atomic, c_parser_omp_barrier, c_parser_omp_critical, c_parser_omp_flush, c_parser_omp_for_loop, c_parser_omp_for, c_parser_omp_master, c_parser_omp_ordered, c_parser_omp_sections_scope, c_parser_omp_sections, c_parser_omp_parallel, c_parser_omp_single, c_parser_omp_construct, c_parser_omp_threadprivate): New. * c-pragma.c (init_pragma): Do omp pragma registration here. * c.opt (fopenmp): New flag. 2006-01-18 Eric Christopher <echristo@apple.com> * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif. * config/darwin.h (GOMP_SELF_SPECS): Define. testsuite/ 2006-01-18 Richard Henderson <rth@redhat.com> Aldy Hernandez <aldyh@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> Uros Bizjak <uros@kss-loka.si> * testsuite/gcc.dg/gomp: New directory. From-SVN: r109902
2006-01-18 20:21:25 +01:00
return 1;
/* If NUM_THREADS not specified, use nthreads_var. */
if (specified == 0)
c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805. * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805. * langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause. Add omp_private_outer_ref hook, add another argument to omp_clause_default_ctor hook. * langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define. (LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define. (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to hook_tree_tree_tree_tree_null. (LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and LANG_HOOKS_OMP_PRIVATE_OUTER_REF. * hooks.c (hook_tree_tree_tree_tree_null): New function. * hooks.h (hook_tree_tree_tree_tree_null): New prototype. * tree.def (OMP_TASK): New tree code. * tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN, OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT, OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES, OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY, OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG, OMP_CLAUSE_COLLAPSE_EXPR): Define. (enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. (OMP_DIRECTIVE_P): Add OMP_TASK. (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes. (OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind. * tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED entries. (omp_clause_num_ops): Likewise. Increase OMP_CLAUSE_LASTPRIVATE num_ops to 2. (walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Walk OMP_CLAUSE_LASTPRIVATE_STMT. * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. (dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops. * c-omp.c (c_finish_omp_for): Allow pointer iterators. Remove warning about unsigned iterators. Change decl/init/cond/incr arguments to TREE_VECs, check arguments for all collapsed loops. (c_finish_omp_taskwait): New function. (c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to ws_clauses. * c-parser.c (c_parser_omp_for_loop): Parse collapsed loops. Call default_function_array_conversion on init. Add par_clauses argument. If decl is present in parallel's lastprivate clause, change it to shared and add lastprivate clause for decl to OMP_FOR_CLAUSES. Add clauses argument, on success set OMP_FOR_CLAUSES to it. Look up collapse count in clauses. (c_parser_omp_for, c_parser_omp_parallel): Adjust c_parser_omp_for_loop callers. (OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE. (c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT. (c_parser_omp_clause_name): Handle collapse and untied clauses. (c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New functions. (c_parser_omp_clause_schedule): Handle schedule(auto). Include correct location in the error message. (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE and PRAGMA_OMP_CLAUSE_UNTIED. (OMP_TASK_CLAUSE_MASK): Define. (c_parser_omp_task, c_parser_omp_taskwait): New functions. (c_parser_omp_construct): Handle PRAGMA_OMP_TASK. * tree-nested.c (convert_nonlocal_omp_clauses, convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE, OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in OMP_CLAUSE_DECL. (conver_nonlocal_reference, convert_local_reference, convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL. Use OMP_TASKREG_* macros rather than OMP_PARALLEL_*. (walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes. * tree-gimple.c (is_gimple_stmt): Handle OMP_TASK. * c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes. * c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New. (PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New. * c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions. (c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. * c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas. * c-common.h (c_finish_omp_taskwait): New prototype. * gimple-low.c (lower_stmt): Handle OMP_TASK. * tree-parloops.c (create_parallel_loop): Create 1 entry vectors for OMP_FOR_{INIT,COND,INCR}. * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers. (make_edges): Handle OMP_TASK. * tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. * tree-inline.c (estimate_num_insns_1): Handle OMP_TASK. * builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR, BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New. * omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT, BUILT_IN_GOMP_LOOP_ULL_STATIC_START, BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ULL_GUIDED_START, BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins. * gimplify.c (gimplify_omp_for): Allow pointer type for decl, handle POINTER_PLUS_EXPR. If loop counter has been replaced and original iterator is present in lastprivate clause or if collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT. Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. (gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK. (enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF. (omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed, if it is set, lookup var in outer contexts too. Handle OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. Handle vars that are supposed to be implicitly determined firstprivate for task regions. (gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed, if it is set, lookup var in outer contexts too. Set OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set. Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Take region_type as last argument instead of in_parallel and in_combined_parallel. (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare): Adjust callers. (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set. Call omp_finish_clause langhook. (new_omp_context): Set default_kind to OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions. (omp_region_type): New enum. (struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel fields, add region_type. (new_omp_context): Take region_type as argument instead of is_parallel and is_combined_parallel. (gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable, omp_is_private, omp_check_private): Adjust ctx->is_parallel and ctx->is_combined_parallel checks. (gimplify_omp_task): New function. (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. * omp-low.c (extract_omp_for_data): Use schedule(static) for schedule(auto). Handle pointer and unsigned iterators. Compute fd->iter_type. Handle POINTER_PLUS_EXPR increments. Add loops argument. Extract data for collapsed OMP_FOR loops. (expand_parallel_call): Assert sched_kind isn't auto, map runtime schedule to index 3. (struct omp_for_data_loop): New type. (struct omp_for_data): Remove v, n1, n2, step, cond_code fields. Add loop, loops, collapse and iter_type fields. (workshare_safe_to_combine_p): Disallow combined for if iter_type is unsigned long long. Don't combine collapse > 1 loops unless all bounds and steps are constant. Adjust extract_omp_for_data caller. (expand_omp_for_generic): Handle pointer, unsigned and long long iterators. Handle collapsed OMP_FOR loops. Adjust for struct omp_for_data changes. If libgomp function doesn't return boolean_type_node, add comparison of the return value with 0. (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle pointer, unsigned and long long iterators. Adjust for struct omp_for_data changes. (expand_omp_for): Assert sched_kind isn't auto, map runtime schedule to index 3. Use GOMP_loop_ull*{start,next} if iter_type is unsigned long long. Allocate loops array, pass it to extract_omp_for_data. For collapse > 1 loops use always expand_omp_for_generic. (omp_context): Add sfield_map and srecord_type fields. (is_task_ctx, lookup_sfield): New functions. (use_pointer_for_field): Use is_task_ctx helper. Change first argument's type from const_tree to tree. Clarify comment. In OMP_TASK disallow copy-in/out sharing. (build_sender_ref): Call lookup_sfield instead of lookup_field. (install_var_field): Add mask argument. Populate both record_type and srecord_type if needed. (delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN in srecord_type. (fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT} and DECL_FIELD_OFFSET. (scan_sharing_clauses): Adjust install_var_field callers. For firstprivate clauses on explicit tasks allocate the var by value in record_type unconditionally, rather than by reference. Handle OMP_CLAUSE_PRIVATE_OUTER_REF. Scan OMP_CLAUSE_LASTPRIVATE_STMT. Use is_taskreg_ctx instead of is_parallel_ctx. Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. (create_omp_child_function_name): Add task_copy argument, use *_omp_cpyfn* names if it is true. (create_omp_child_function): Add task_copy argument, if true create *_omp_cpyfn* helper function. (scan_omp_parallel): Adjust create_omp_child_function callers. Rename parallel_nesting_level to taskreg_nesting_level. (scan_omp_task): New function. (lower_rec_input_clauses): Don't run constructors for firstprivate explicit task vars which are initialized by *_omp_cpyfn*. Pass outer var ref to omp_clause_default_ctor hook if OMP_CLAUSE_PRIVATE_OUTER_REF or OMP_CLAUSE_LASTPRIVATE. Replace OMP_CLAUSE_REDUCTION_PLACEHOLDER decls in OMP_CLAUSE_REDUCTION_INIT. (lower_send_clauses): Clear DECL_ABSTRACT_ORIGIN if in task to avoid duplicate setting of fields. Handle OMP_CLAUSE_PRIVATE_OUTER_REF. (lower_send_shared_vars): Use srecord_type if non-NULL. Don't copy-out if TREE_READONLY, only copy-in. (expand_task_copyfn): New function. (expand_task_call): New function. (struct omp_taskcopy_context): New type. (task_copyfn_copy_decl, task_copyfn_remap_type, create_task_copyfn): New functions. (lower_omp_parallel): Rename to... (lower_omp_taskreg): ... this. Use OMP_TASKREG_* macros where needed. Call create_task_copyfn if srecord_type is needed. Adjust sender_decl type. (task_shared_vars): New variable. (check_omp_nesting_restrictions): Warn if work-sharing, barrier, master or ordered region is closely nested inside OMP_TASK. Add warnings for barrier if closely nested inside of work-sharing, ordered, or master region. (scan_omp_1): Call check_omp_nesting_restrictions even for GOMP_barrier calls. Rename parallel_nesting_level to taskreg_nesting_level. Handle OMP_TASK. (lower_lastprivate_clauses): Even if some lastprivate is found on a work-sharing construct, continue looking for them on parent parallel construct. (lower_omp_for_lastprivate): Add lastprivate clauses to the beginning of dlist rather than end. Adjust for struct omp_for_data changes. (lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY, not after it. Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller. (get_ws_args_for): Adjust extract_omp_for_data caller. (scan_omp_for): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. (lower_omp_single_simple): If libgomp function doesn't return boolean_type_node, add comparison of the return value with 0. (diagnose_sb_1, diagnose_sb_2): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. Handle OMP_TASK. (parallel_nesting_level): Rename to... (taskreg_nesting_level): ... this. (is_taskreg_ctx): New function. (build_outer_var_ref, omp_copy_decl): Use is_taskreg_ctx instead of is_parallel_ctx. (execute_lower_omp): Rename parallel_nesting_level to taskreg_nesting_level. (expand_omp_parallel): Rename to... (expand_omp_taskreg): ... this. Use OMP_TASKREG_* macros where needed. Call omp_task_call for OMP_TASK regions. (expand_omp): Adjust caller, handle OMP_TASK. (lower_omp_1): Adjust lower_omp_taskreg caller, handle OMP_TASK. * bitmap.c (bitmap_default_obstack_depth): New variable. (bitmap_obstack_initialize, bitmap_obstack_release): Do nothing if argument is NULL and bitmap_default_obstack is already initialized. * ipa-struct-reorg.c (do_reorg_1): Call bitmap_obstack_release at the end. * matrix-reorg.c (matrix_reorg): Likewise. cp/ * cp-tree.h (cxx_omp_finish_clause, cxx_omp_create_clause_info, dependent_omp_for_p, begin_omp_task, finish_omp_task, finish_omp_taskwait): New prototypes. (cxx_omp_clause_default_ctor): Add outer argument. (finish_omp_for): Add new clauses argument. * cp-gimplify.c (cxx_omp_finish_clause): New function. (cxx_omp_predetermined_sharing): Moved from semantics.c, rewritten. (cxx_omp_clause_default_ctor): Add outer argument. (cp_genericize_r): Walk OMP_CLAUSE_LASTPRIVATE_STMT. * cp-objcp-common.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define. * parser.c (cp_parser_omp_for_loop): Parse collapsed for loops. Add par_clauses argument. If decl is present in parallel's lastprivate clause, change that clause to shared and add a lastprivate clause for decl to OMP_FOR_CLAUSES. Fix wording of error messages. Adjust finish_omp_for caller. Add clauses argument. Parse loops with random access iterators. (cp_parser_omp_clause_collapse, cp_parser_omp_clause_untied): New functions. (cp_parser_omp_for, cp_parser_omp_parallel): Adjust cp_parser_omp_for_loop callers. (cp_parser_omp_for_cond, cp_parser_omp_for_incr): New helper functions. (cp_parser_omp_clause_name): Handle collapse and untied clauses. (cp_parser_omp_clause_schedule): Handle auto schedule. (cp_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE and PRAGMA_OMP_CLAUSE_UNTIED. (OMP_FOR_CLAUSE_MASK): Add PRAGMA_OMP_CLAUSE_COLLAPSE. (OMP_TASK_CLAUSE_MASK): Define. (cp_parser_omp_task, cp_parser_omp_taskwait): New functions. (cp_parser_omp_construct): Handle PRAGMA_OMP_TASK. (cp_parser_pragma): Handle PRAGMA_OMP_TASK and PRAGMA_OMP_TASKWAIT. * pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Handle OMP_CLAUSE_LASTPRIVATE_STMT. (tsubst_omp_for_iterator): New function. (dependent_omp_for_p): New function. (tsubst_expr) <case OMP_FOR>: Use it. Handle collapsed OMP_FOR loops. Adjust finish_omp_for caller. Handle loops with random access iterators. Adjust for OMP_FOR_{INIT,COND,INCR} changes. (tsubst_expr): Handle OMP_TASK. * semantics.c (cxx_omp_create_clause_info): New function. (finish_omp_clauses): Call it. Handle OMP_CLAUSE_UNTIED and OMP_CLAUSE_COLLAPSE. (cxx_omp_predetermined_sharing): Removed. * semantics.c (finish_omp_for): Allow pointer iterators. Use handle_omp_for_class_iterator and dependent_omp_for_p. Handle collapsed for loops. Adjust c_finish_omp_for caller. Add new clauses argument. Fix check for type dependent cond or incr. Set OMP_FOR_CLAUSES to clauses. Use cp_convert instead of fold_convert to convert incr amount to difference_type. Only fold if not in template. If decl is mentioned in lastprivate clause, set OMP_CLAUSE_LASTPRIVATE_STMT. Handle loops with random access iterators. Adjust for OMP_FOR_{INIT,COND,INCR} changes. (finish_omp_threadprivate): Allow static class members of the current class. (handle_omp_for_class_iterator, begin_omp_task, finish_omp_task, finish_omp_taskwait): New functions. * parser.c (cp_parser_binary_expression): Add prec argument. (cp_parser_assignment_expression): Adjust caller. * cp-tree.h (outer_curly_brace_block): New prototype. * decl.c (outer_curly_brace_block): No longer static. fortran/ * scanner.c (skip_free_comments, skip_fixed_comments): Handle tabs. * parse.c (next_free): Allow tab after !$omp. (decode_omp_directive): Handle !$omp task, !$omp taskwait and !$omp end task. (case_executable): Add ST_OMP_TASKWAIT. (case_exec_markers): Add ST_OMP_TASK. (gfc_ascii_statement): Handle ST_OMP_TASK, ST_OMP_END_TASK and ST_OMP_TASKWAIT. (parse_omp_structured_block, parse_executable): Handle ST_OMP_TASK. * gfortran.h (gfc_find_sym_in_expr): New prototype. (gfc_statement): Add ST_OMP_TASK, ST_OMP_END_TASK and ST_OMP_TASKWAIT. (gfc_omp_clauses): Add OMP_SCHED_AUTO to sched_kind, OMP_DEFAULT_FIRSTPRIVATE to default_sharing. Add collapse and untied fields. (gfc_exec_op): Add EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * f95-lang.c (LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, LANG_HOOKS_OMP_CLAUSE_DTOR, LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define. * trans.h (gfc_omp_clause_default_ctor): Add another argument. (gfc_omp_clause_copy_ctor, gfc_omp_clause_assign_op, gfc_omp_clause_dtor, gfc_omp_private_outer_ref): New prototypes. * types.def (BT_ULONGLONG, BT_PTR_ULONGLONG, BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_VOID_PTR_PTR, BT_PTR_FN_VOID_PTR_PTR, BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New. (BT_BOOL): Use integer type with BOOL_TYPE_SIZE rather than boolean_type_node. * dump-parse-tree.c (gfc_show_omp_node): Handle EXEC_OMP_TASK, EXEC_OMP_TASKWAIT, OMP_SCHED_AUTO, OMP_DEFAULT_FIRSTPRIVATE, untied and collapse clauses. (gfc_show_code_node): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * trans.c (gfc_trans_code): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * st.c (gfc_free_statement): Likewise. * resolve.c (gfc_resolve_blocks, resolve_code): Likewise. (find_sym_in_expr): Rename to... (gfc_find_sym_in_expr): ... this. No longer static. (resolve_allocate_expr, resolve_ordinary_assign): Adjust caller. * match.h (gfc_match_omp_task, gfc_match_omp_taskwait): New prototypes. * openmp.c (resolve_omp_clauses): Allow allocatable arrays in firstprivate, lastprivate, reduction, copyprivate and copyin clauses. (omp_current_do_code): Made static. (omp_current_do_collapse): New variable. (gfc_resolve_omp_do_blocks): Compute omp_current_do_collapse, clear omp_current_do_code and omp_current_do_collapse on return. (gfc_resolve_do_iterator): Handle collapsed do loops. (resolve_omp_do): Likewise, diagnose errorneous collapsed do loops. (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): Define. (gfc_match_omp_clauses): Handle default (firstprivate), schedule (auto), untied and collapse (n) clauses. (OMP_DO_CLAUSES): Add OMP_CLAUSE_COLLAPSE. (OMP_TASK_CLAUSES): Define. (gfc_match_omp_task, gfc_match_omp_taskwait): New functions. * trans-openmp.c (gfc_omp_private_outer_ref): New function. (gfc_omp_clause_default_ctor): Add outer argument. For allocatable arrays allocate them with the bounds of the outer var if outer var is allocated. (gfc_omp_clause_copy_ctor, gfc_omp_clause_assign_op, gfc_omp_clause_dtor): New functions. (gfc_trans_omp_array_reduction): If decl is allocatable array, allocate it with outer var's bounds in OMP_CLAUSE_REDUCTION_INIT and deallocate it in OMP_CLAUSE_REDUCTION_MERGE. (gfc_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED for assumed-size arrays. (gfc_trans_omp_do): Add par_clauses argument. If dovar is present in lastprivate clause and do loop isn't simple, set OMP_CLAUSE_LASTPRIVATE_STMT. If dovar is present in parallel's lastprivate clause, change it to shared and add lastprivate clause to OMP_FOR_CLAUSES. Handle collapsed do loops. (gfc_trans_omp_directive): Adjust gfc_trans_omp_do callers. (gfc_trans_omp_parallel_do): Likewise. Move collapse clause to OMP_FOR from OMP_PARALLEL. (gfc_trans_omp_clauses): Handle OMP_SCHED_AUTO, OMP_DEFAULT_FIRSTPRIVATE, untied and collapse clauses. (gfc_trans_omp_task, gfc_trans_omp_taskwait): New functions. (gfc_trans_omp_directive): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. gcc/testsuite/ * gcc.dg/gomp/collapse-1.c: New test. * gcc.dg/gomp/nesting-1.c: New test. * g++.dg/gomp/task-1.C: New test. * g++.dg/gomp/predetermined-1.C: New test. * g++.dg/gomp/tls-4.C: New test. * gfortran.dg/gomp/collapse1.f90: New test. * gfortran.dg/gomp/sharing-3.f90: New test. * gcc.dg/gomp/pr27499.c (foo): Remove is unsigned dg-warning. * g++.dg/gomp/pr27499.C (foo): Likewise. * g++.dg/gomp/for-16.C (foo): Likewise. * g++.dg/gomp/tls-3.C: Remove dg-error, add S::s definition. * g++.dg/gomp/pr34607.C: Adjust dg-error location. * g++.dg/gomp/for-16.C (foo): Add a new dg-error. * gcc.dg/gomp/appendix-a/a.35.4.c: Add dg-warning. * gcc.dg/gomp/appendix-a/a.35.6.c: Likewise. * gfortran.dg/gomp/appendix-a/a.35.4.f90: Likewise. * gfortran.dg/gomp/appendix-a/a.35.6.f90: Likewise. * gfortran.dg/gomp/omp_parse1.f90: Remove !$omp tab test. * gfortran.dg/gomp/appendix-a/a.33.4.f90: Remove dg-error about allocatable array. * gfortran.dg/gomp/reduction1.f90: Likewise. libgomp/ * configure.ac (LIBGOMP_GNU_SYMBOL_VERSIONING): New AC_DEFINE. Substitute also OMP_*LOCK_25*. * configure: Regenerated. * config.h.in: Regenerated. * Makefile.am (libgomp_la_SOURCES): Add loop_ull.c, iter_ull.c, ptrlock.c and task.c. * Makefile.in: Regenerated. * testsuite/Makefile.in: Regenerated. * task.c: New file. * loop_ull.c: New file. * iter_ull.c: New file. * libgomp.h: Include ptrlock.h. (enum gomp_task_kind): New type. (struct gomp_team): Add task_lock, task_queue, task_count, task_running_count, single_count fields. Add work_share_list_free_lock ifndef HAVE_SYNC_BUILTINS. Remove work_share_lock, generation_mask, oldest_live_gen, num_live_gen and init_work_shares fields, add work work_share_list_alloc, work_share_list_free and work_share_chunk fields. Change work_shares from pointer to pointers into an array. Change ordered_release field into gomp_sem_t ** from flexible array member. Add implicit_task and initial_work_shares fields. Move close to the end of the struct. (struct gomp_team_state): Add single_count, last_work_share, active_level and level fields, remove work_share_generation. (gomp_barrier_handle_tasks): New prototype. (gomp_finish_task): New inline function. (struct gomp_work_share): Move chunk_size, end, incr into transparent union/struct, add chunk_size_ull, end_ll, incr_ll and next_ll fields. Reshuffle fields. Add next_alloc, next_ws, next_free and inline_ordered_team_ids fields, change ordered_team_ids into pointer from flexible array member. Add mode field. Put lock and next into a different cache line from most of the write-once fields. (gomp_iter_ull_static_next, gomp_iter_ull_dynamic_next_locked, gomp_iter_ull_guided_next_locked, gomp_iter_ull_dynamic_next, gomp_iter_ull_guided_next): New prototypes. (gomp_new_icv): New prototype. (struct gomp_thread): Add thread_pool and task fields. (struct gomp_thread_pool): New type. (gomp_new_team): New prototype. (gomp_team_start): Change type of last argument. (gomp_new_work_share): Removed. (gomp_init_work_share, gomp_fini_work_share): New prototypes. (gomp_work_share_init_done): New static inline. (gomp_throttled_spin_count_var, gomp_available_cpus, gomp_managed_threads): New extern decls. (gomp_init_task): New prototype. (gomp_spin_count_var): New extern var decl. (LIBGOMP_GNU_SYMBOL_VERSIONING): Undef if no visibility or no alias support, or if not PIC. (gomp_init_lock_30, gomp_destroy_lock_30, gomp_set_lock_30, gomp_unset_lock_30, gomp_test_lock_30, gomp_init_nest_lock_30, gomp_destroy_nest_lock_30, gomp_set_nest_lock_30, gomp_unset_nest_lock_30, gomp_test_nest_lock_30, gomp_init_lock_25, gomp_destroy_lock_25, gomp_set_lock_25, gomp_unset_lock_25, gomp_test_lock_25, gomp_init_nest_lock_25, gomp_destroy_nest_lock_25, gomp_set_nest_lock_25, gomp_unset_nest_lock_25, gomp_test_nest_lock_25): New prototypes. (omp_lock_symver, strong_alias): Define. (gomp_remaining_threads_count, gomp_remaining_threads_lock): New decls. (gomp_end_task): New. (struct gomp_task_icv, gomp_global_icv): New. (gomp_thread_limit_var, gomp_max_active_levels_var): New. (struct gomp_task): New. (gomp_nthreads_var, gomp_dyn_var, gomp_nest_var, gomp_run_sched_var, gomp_run_sched_chunk): Remove. (gomp_icv): New. (gomp_schedule_type): Reorder enum to match omp_sched_t. * team.c (struct gomp_thread_start_data): Add thread_pool and task fields. (gomp_thread_start): Add gomp_team_barrier_wait call. For non-nested case remove clearing of docked thread thr fields. Use pool fields instead of global gomp_* variables. Use gomp_barrier_wait_last when needed. Initialize ts.active_level. Create tasks for each member thread. (free_team): Only destroy team barrier, task_lock here and free it. (gomp_free_thread): Free last_team if non-NULL. (gomp_team_end): Call gomp_team_barrier_wait instead of gomp_barrier_wait. For nested case call one extra gomp_barrier_wait. Move here some destruction from free_team. Call free_team on pool->last_team if any, rather than freeing current team. Destroy work_share_list_free_lock ifndef HAVE_SYNC_BUILTINS. (gomp_new_icv): New function. (gomp_threads, gomp_threads_size, gomp_threads_used, gomp_threads_dock): Removed. (gomp_thread_destructor): New variable. (gomp_new_thread_pool, gomp_free_pool_helper, gomp_free_thread): New functions. (gomp_team_start): Create new pool if current thread doesn't have one. Use pool fields instead of global gomp_* variables. Initialize thread_pool field for new threads. Clear single_count. Change last argument from ws to team, don't create new team, set ts.work_share to &team->work_shares[0] and clear ts.last_work_share. Don't clear ts.work_share_generation. If number of threads changed, adjust atomically gomp_managed_threads. Use gomp_init_task instead of gomp_new_task, set thr->task to the corresponding implicit_task array entry. Create tasks for each member thread. Initialize ts.level. (initialize_team): Call pthread_key_create on gomp_thread_destructor. (team_destructor): New function. (new_team): Removed. (gomp_new_team): New function. (free_team): Free gomp_work_share blocks chained through next_alloc, instead of freeing work_shares and destroying work_share_lock. (gomp_team_end): Call gomp_fini_work_share. If number of threads changed, adjust atomically gomp_managed_threads. Use gomp_end_task. * barrier.c (GOMP_barrier): Call gomp_team_barrier_wait instead of gomp_barrier_wait. * single.c (GOMP_single_copy_start): Call gomp_team_barrier_wait instead of gomp_barrier_wait. Call gomp_work_share_init_done if gomp_work_share_start returned true. Don't unlock ws->lock. (GOMP_single_copy_end): Call gomp_team_barrier_wait instead of gomp_barrier_wait. (GOMP_single_start): Rewritten if HAVE_SYNC_BUILTINS. Call gomp_work_share_init_done if gomp_work_share_start returned true. Don't unlock ws->lock. * work.c: Include stddef.h. (free_work_share): Use work_share_list_free_lock instead of atomic chaining ifndef HAVE_SYNC_BUILTINS. Add team argument. Call gomp_fini_work_share and then either free ws if orphaned, or put it into work_share_list_free list of the current team. (alloc_work_share, gomp_init_work_share, gomp_fini_work_share): New functions. (gomp_work_share_start, gomp_work_share_end, gomp_work_share_end_nowait): Rewritten. * omp_lib.f90.in Change some tabs to spaces to prevent warnings. (openmp_version): Set to 200805. (omp_sched_kind, omp_sched_static, omp_sched_dynamic, omp_sched_guided, omp_sched_auto): New parameters. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New interfaces. * omp_lib.h.in (openmp_version): Set to 200805. (omp_sched_kind, omp_sched_static, omp_sched_dynamic, omp_sched_guided, omp_sched_auto): New parameters. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New externals. * loop.c: Include limits.h. (GOMP_loop_runtime_next, GOMP_loop_ordered_runtime_next): Handle GFS_AUTO. (GOMP_loop_runtime_start, GOMP_loop_ordered_runtime_start): Likewise. Use gomp_icv. (gomp_loop_static_start, gomp_loop_dynamic_start): Clear ts.static_trip here. (gomp_loop_static_start, gomp_loop_ordered_static_start): Call gomp_work_share_init_done after gomp_loop_init. Don't unlock ws->lock. (gomp_loop_dynamic_start, gomp_loop_guided_start): Call gomp_work_share_init_done after gomp_loop_init. If HAVE_SYNC_BUILTINS, don't unlock ws->lock, otherwise lock it. (gomp_loop_ordered_dynamic_start, gomp_loop_ordered_guided_start): Call gomp_work_share_init_done after gomp_loop_init. Lock ws->lock. (gomp_parallel_loop_start): Call gomp_new_team instead of gomp_new_work_share. Call gomp_loop_init on &team->work_shares[0]. Adjust gomp_team_start caller. Pass 0 as second argument to gomp_resolve_num_threads. (gomp_loop_init): For GFS_DYNAMIC, multiply ws->chunk_size by incr. If adding ws->chunk_size nthreads + 1 times after end won't overflow, set ws->mode to 1. * libgomp_g.h (GOMP_loop_ull_static_start, GOMP_loop_ull_dynamic_start, GOMP_loop_ull_guided_start, GOMP_loop_ull_runtime_start, GOMP_loop_ull_ordered_static_start, GOMP_loop_ull_ordered_dynamic_start, GOMP_loop_ull_ordered_guided_start, GOMP_loop_ull_ordered_runtime_start, GOMP_loop_ull_static_next, GOMP_loop_ull_dynamic_next, GOMP_loop_ull_guided_next, GOMP_loop_ull_runtime_next, GOMP_loop_ull_ordered_static_next, GOMP_loop_ull_ordered_dynamic_next, GOMP_loop_ull_ordered_guided_next, GOMP_loop_ull_ordered_runtime_next, GOMP_task, GOMP_taskwait): New prototypes. * libgomp.map: Export lock routines also @@OMP_2.0. (GOMP_loop_ordered_dynamic_first, GOMP_loop_ordered_guided_first, GOMP_loop_ordered_runtime_first, GOMP_loop_ordered_static_first): Remove. (GOMP_loop_ull_dynamic_next, GOMP_loop_ull_dynamic_start, GOMP_loop_ull_guided_next, GOMP_loop_ull_guided_start, GOMP_loop_ull_ordered_dynamic_next, GOMP_loop_ull_ordered_dynamic_start, GOMP_loop_ull_ordered_guided_next, GOMP_loop_ull_ordered_guided_start, GOMP_loop_ull_ordered_runtime_next, GOMP_loop_ull_ordered_runtime_start, GOMP_loop_ull_ordered_static_next, GOMP_loop_ull_ordered_static_start, GOMP_loop_ull_runtime_next, GOMP_loop_ull_runtime_start, GOMP_loop_ull_static_next, GOMP_loop_ull_static_start, GOMP_task, GOMP_taskwait): Export @@GOMP_2.0. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level, omp_set_schedule_, omp_set_schedule_8_, omp_get_schedule_, omp_get_schedule_8_, omp_get_thread_limit_, omp_set_max_active_levels_, omp_set_max_active_levels_8_, omp_get_max_active_levels_, omp_get_level_, omp_get_ancestor_thread_num_, omp_get_ancestor_thread_num_8_, omp_get_team_size_, omp_get_team_size_8_, omp_get_active_level_): New exports @@OMP_3.0. * omp.h.in (omp_sched_t): New type. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New prototypes. * env.c (gomp_spin_count_var, gomp_throttled_spin_count_var, gomp_available_cpus, gomp_managed_threads, gomp_max_active_levels_var, gomp_thread_limit_var, gomp_remaining_threads_count, gomp_remaining_threads_lock): New variables. (parse_spincount): New function. (initialize_env): Call gomp_init_num_threads unconditionally. Initialize gomp_available_cpus. Call parse_spincount, initialize gomp_{,throttled_}spin_count_var depending on presence and value of OMP_WAIT_POLICY and GOMP_SPINCOUNT env vars. Handle GOMP_BLOCKTIME env var. Handle OMP_WAIT_POLICY, OMP_MAX_ACTIVE_LEVELS, OMP_THREAD_LIMIT, OMP_STACKSIZE env vars. Handle unit specification for GOMP_STACKSIZE. Initialize gomp_remaining_threads_count and gomp_remaining_threads_lock if needed. Use gomp_global_icv. (gomp_nthreads_var, gomp_dyn_var, gomp_nest_var, gomp_run_sched_var, gomp_run_sched_chunk): Remove. (gomp_global_icv): New. (parse_schedule): Use it. Parse "auto". (omp_set_num_threads): Use gomp_icv. (omp_set_dynamic, omp_get_dynamic, omp_set_nested, omp_get_nested): Likewise. (omp_get_max_threads): Move from parallel.c. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels): New functions, add ialias. (parse_stacksize, parse_wait_policy): New functions. * fortran.c: Rewrite lock wrappers, if symbol versioning provide both wrappers for compatibility and new locks. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New ialias_redirect. (omp_set_schedule_, omp_set_schedule_8_, omp_get_schedule_, omp_get_schedule_8_, omp_get_thread_limit_, omp_set_max_active_levels_, omp_set_max_active_levels_8_, omp_get_max_active_levels_, omp_get_level_, omp_get_ancestor_thread_num_, omp_get_ancestor_thread_num_8_, omp_get_team_size_, omp_get_team_size_8_, omp_get_active_level_): New functions. * parallel.c: Include limits.h. (gomp_resolve_num_threads): Add count argument. Rewritten. (GOMP_parallel_start): Call gomp_new_team and pass that as last argument to gomp_team_start. Pass 0 as second argument to gomp_resolve_num_threads. (GOMP_parallel_end): Decrease gomp_remaining_threads_count if gomp_thread_limit_var != ULONG_MAX. (omp_in_parallel): Implement using ts.active_level. (omp_get_max_threads): Move to env.c. (omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New functions, add ialias. * sections.c (GOMP_sections_start): Call gomp_work_share_init_done after gomp_sections_init. If HAVE_SYNC_BUILTINS, call gomp_iter_dynamic_next instead of the _locked variant and don't take lock around it, otherwise acquire it before calling gomp_iter_dynamic_next_locked. (GOMP_sections_next): If HAVE_SYNC_BUILTINS, call gomp_iter_dynamic_next instead of the _locked variant and don't take lock around it. (GOMP_parallel_sections_start): Call gomp_new_team instead of gomp_new_work_share. Call gomp_sections_init on &team->work_shares[0]. Adjust gomp_team_start caller. Pass count as second argument to gomp_resolve_num_threads, don't adjust num_threads after the call. Use gomp_icv. * iter.c (gomp_iter_dynamic_next_locked): Don't multiply ws->chunk_size by incr. (gomp_iter_dynamic_next): Likewise. If ws->mode, use more efficient code. * libgomp_f.h.in (omp_lock_25_arg_t, omp_nest_lock_25_arg_t): New types. (omp_lock_25_arg, omp_nest_lock_25_arg): New macros. (omp_check_defines): Check even the compat defines. * config/linux/ptrlock.c: New file. * config/linux/ptrlock.h: New file. * config/linux/wait.h: New file. * config/posix/ptrlock.c: New file. * config/posix/ptrlock.h: New file. * config/linux/bar.h (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New prototypes. (gomp_team_barrier_set_task_pending, gomp_team_barrier_clear_task_pending, gomp_team_barrier_set_waiting_for_tasks, gomp_team_barrier_waiting_for_tasks, gomp_team_barrier_done): New inlines. (gomp_barrier_t): Rewritten. (gomp_barrier_state_t): New typedef. (gomp_barrier_init, gomp_barrier_reinit, gomp_barrier_destroy, gomp_barrier_wait_start): Rewritten. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_barrier_last_thread, gomp_barrier_wait_last): New static inlines. * config/linux/bar.c: Include wait.h instead of libgomp.h and futex.h. (gomp_barrier_wait_end): Rewritten. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake, gomp_barrier_wait_last): New functions. * config/posix/bar.h (gomp_barrier_t): Add generation field. (gomp_barrier_state_t): New typedef. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New prototypes. (gomp_barrier_wait_start): Or all but low 2 bits from generation into the return value. Return gomp_barrier_state_t. (gomp_team_barrier_set_task_pending, gomp_team_barrier_clear_task_pending, gomp_team_barrier_set_waiting_for_tasks, gomp_team_barrier_waiting_for_tasks, gomp_team_barrier_done): New inlines. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_barrier_last_thread, gomp_barrier_wait_last): New static inlines. * config/posix/bar.c (gomp_barrier_init): Clear generation field. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New functions. * config/linux/mutex.c: Include wait.h instead of libgomp.h and futex.h. (gomp_futex_wake, gomp_futex_wait): New variables. (gomp_mutex_lock_slow): Call do_wait instead of futex_wait. * config/linux/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. Include wait.h instead of libgomp.h and futex.h. (gomp_set_nest_lock_25): Call do_wait instead of futex_wait. * config/posix95/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. * config/posix/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. * config/linux/proc.c (gomp_init_num_threads): Use gomp_global_icv. (get_num_procs, gomp_dynamic_max_threads): Use gomp_icv. * config/posix/proc.c, config/mingw32/proc.c: Similarly. * config/linux/powerpc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/alpha/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/x86/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/s390/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/ia64/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/sparc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/sem.c: Include wait.h instead of libgomp.h and futex.h. (gomp_sem_wait_slow): Call do_wait instead of futex_wait. * config/linux/affinity.c: Assume HAVE_SYNC_BUILTINS. * config/linux/omp-lock.h (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_nest_lock_t): Change owner into void *, add lock field. * config/posix95/omp-lock.h: Include semaphore.h. (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_lock_t): Use sem_t instead of mutex if semaphores aren't broken. (omp_nest_lock_t): Likewise. Change owner to void *. * config/posix/omp-lock.h: Include semaphore.h. (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_lock_t): Use sem_t instead of mutex if semaphores aren't broken. (omp_nest_lock_t): Likewise. Add owner field. * testsuite/libgomp.c/collapse-1.c: New test. * testsuite/libgomp.c/collapse-2.c: New test. * testsuite/libgomp.c/collapse-3.c: New test. * testsuite/libgomp.c/icv-1.c: New test. * testsuite/libgomp.c/icv-2.c: New test. * testsuite/libgomp.c/lib-2.c: New test. * testsuite/libgomp.c/lock-1.c: New test. * testsuite/libgomp.c/lock-2.c: New test. * testsuite/libgomp.c/lock-3.c: New test. * testsuite/libgomp.c/loop-4.c: New test. * testsuite/libgomp.c/loop-5.c: New test. * testsuite/libgomp.c/loop-6.c: New test. * testsuite/libgomp.c/loop-7.c: New test. * testsuite/libgomp.c/loop-8.c: New test. * testsuite/libgomp.c/loop-9.c: New test. * testsuite/libgomp.c/nested-3.c: New test. * testsuite/libgomp.c/nestedfn-6.c: New test. * testsuite/libgomp.c/sort-1.c: New test. * testsuite/libgomp.c/task-1.c: New test. * testsuite/libgomp.c/task-2.c: New test. * testsuite/libgomp.c/task-3.c: New test. * testsuite/libgomp.c/task-4.c: New test. * testsuite/libgomp.c++/c++.exp: Add libstdc++-v3 build includes to C++ testsuite default compiler options. * testsuite/libgomp.c++/collapse-1.C: New test. * testsuite/libgomp.c++/collapse-2.C: New test. * testsuite/libgomp.c++/ctor-10.C: New test. * testsuite/libgomp.c++/for-1.C: New test. * testsuite/libgomp.c++/for-2.C: New test. * testsuite/libgomp.c++/for-3.C: New test. * testsuite/libgomp.c++/for-4.C: New test. * testsuite/libgomp.c++/for-5.C: New test. * testsuite/libgomp.c++/loop-8.C: New test. * testsuite/libgomp.c++/loop-9.C: New test. * testsuite/libgomp.c++/loop-10.C: New test. * testsuite/libgomp.c++/task-1.C: New test. * testsuite/libgomp.c++/task-2.C: New test. * testsuite/libgomp.c++/task-3.C: New test. * testsuite/libgomp.c++/task-4.C: New test. * testsuite/libgomp.c++/task-5.C: New test. * testsuite/libgomp.c++/task-6.C: New test. * testsuite/libgomp.fortran/allocatable1.f90: New test. * testsuite/libgomp.fortran/allocatable2.f90: New test. * testsuite/libgomp.fortran/allocatable3.f90: New test. * testsuite/libgomp.fortran/allocatable4.f90: New test. * testsuite/libgomp.fortran/collapse1.f90: New test. * testsuite/libgomp.fortran/collapse2.f90: New test. * testsuite/libgomp.fortran/collapse3.f90: New test. * testsuite/libgomp.fortran/collapse4.f90: New test. * testsuite/libgomp.fortran/lastprivate1.f90: New test. * testsuite/libgomp.fortran/lastprivate2.f90: New test. * testsuite/libgomp.fortran/lib4.f90: New test. * testsuite/libgomp.fortran/lock-1.f90: New test. * testsuite/libgomp.fortran/lock-2.f90: New test. * testsuite/libgomp.fortran/nested1.f90: New test. * testsuite/libgomp.fortran/nestedfn4.f90: New test. * testsuite/libgomp.fortran/strassen.f90: New test. * testsuite/libgomp.fortran/tabs1.f90: New test. * testsuite/libgomp.fortran/tabs2.f: New test. * testsuite/libgomp.fortran/task1.f90: New test. * testsuite/libgomp.fortran/task2.f90: New test. * testsuite/libgomp.fortran/vla4.f90: Add dg-warning. * testsuite/libgomp.fortran/vla5.f90: Likewise. * testsuite/libgomp.c/pr26943-2.c: Likewise. * testsuite/libgomp.c/pr26943-3.c: Likewise. * testsuite/libgomp.c/pr26943-4.c: Likewise. Co-Authored-By: Jakob Blomer <jakob.blomer@ira.uka.de> Co-Authored-By: Richard Henderson <rth@redhat.com> Co-Authored-By: Ulrich Drepper <drepper@redhat.com> From-SVN: r136433
2008-06-06 15:01:54 +02:00
threads_requested = icv->nthreads_var;
else
threads_requested = specified;
max_num_threads = threads_requested;
[multiple changes] 2006-01-18 Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * libgomp: New directory. * Makefile.def: Add target_module libgomp. * Makefile.in: Regenerate. * configure.in (target_libraries): Add target-libgomp. * configure: Regenerate. contrib/ 2006-01-18 Richard Henderson <rth@redhat.com> Diego Novillo <dnovillo@redhat.com> * gcc_update (files_and_dependencies): Add libgomp files. gcc/ 2006-01-18 Richard Henderson <rth@redhat.com> Aldy Hernandez <aldyh@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * omp-low.c: New file. * c-omp.c: New file. 2006-01-18 Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * doc/invoke.texi: Document -fopenmp. * tree-dump.h (debug_function): Declare. * hooks.c (hook_bool_tree_bool_false): New function. (hook_tree_tree_null): Remove. (hook_tree_tree_tree_null): New. * hooks.h: Update to match. * tree-pretty-print.c (debug_tree_chain): New. (print_generic_expr): Handle TDF_CHAIN. (dump_generic_node): Handle BLOCK. Do not abort with incomplete SWITCH_EXPRs. Do not dump body of an OpenMP directive if TDF_SLIM is given. <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't print space after directive name. <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY. Handle OMP_MASTER and OMP_ORDERED. Handle printing of OMP_BODY just in one place, goto dump_omp_body in the rest of OMP_* nodes that have OMP_BODY. Don't handle clause nodes here. Update omp statements to use dump_omp_clauses. Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION, OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC, OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF, GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED, GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE, GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE. Adjust output for GOMP_PARALLEL. (dump_omp_clauses): New. (print_declaration): Dump DECL_VALUE_EXPR. (op_symbol_1): Split out of op_symbol. (dumping_stmts): Remove. Update all users. * cgraph.c (cgraph_analyze_queue): New. (cgraph_add_new_function): New. * cgraph.h (cgraph_analyze_queue): Declare. (cgraph_add_new_function): Declare. (cgraph_lower_function): Remove. * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_* nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS and TYPE_P nodes in its default clause. (empty_body_p): New. (tree_range_check_failed): New. (build5_stat): New. * tree.h (OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE, OMP_CLAUSE_REDUCTION_PLACEHOLDER, OMP_CLAUSE_PRIVATE_DEBUG, OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY, OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY, OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND, OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL, OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR, OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT, OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT, OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC, OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST, OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY, OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY, OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New. (TREE_RANGE_CHECK): New. (empty_body_p): Declare. (enum omp_clause_default_kind): New. (build_string_literal): Declare. (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New. (build5_stat, build5): Declare. * tree-pass.h (TDF_CHAIN): Define. * tree-pass.h (PROP_gimple_lomp): Define. (pass_lower_omp): Declare. * diagnostic.h (debug_tree_chain): Declare. * builtins.c (get_builtin_sync_mode): Use 0 as last argument to mode_for_size. (expand_builtin): Handle sync BUILT_IN_*_16 builtins. * builtins.c (build_string_literal): Make extern. * gcc.c (include_spec_function): New. (static_spec_functions): Add it. (main): Move load of libgomp.spec ... (LINK_COMMAND_SPEC): ... here. (link_gomp_spec): New. (static_specs): Include it. (LINK_COMMAND_SPEC): Add link_gomp. (GOMP_SELF_SPECS): New. (driver_self_specs): Include it. (switch_matches): Don't mark inline. (main): Load libgomp.spec. * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION, and OMP_SINGLE, OMP_FOR and OMP_PARALLEL. * tree-gimple.h (enum omp_parallel): Declare. (determine_parallel_type): Declare. (omp_firstprivatize_variable): Declare. (omp_reduction_init): Declare. (diagnose_omp_structured_block_errors): Declare. (struct walk_stmt_info): Add want_return_expr. (struct walk_stmt_info): Add want_bind_expr, want_locations. (find_omp_clause): Declare. (insert_field_into_struct): Declare. (struct walk_stmt_info): Move from tree-nested.c (walk_stmts): Declare. * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP to 200505. * cgraphunit.c (cgraph_lower_function): Make static. (cgraph_finalize_pending_functions): New. (cgraph_finalize_function): Call it. (cgraph_finalize_compilation_unit): Likewise. * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16, BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add. (BT_FN_UINT_UINT): New. (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7, DEF_FUNCTION_TYPE_VAR_4): Document. (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT, BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR, BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT, BT_FN_VOID_OMPFN_PTR_UINT_UINT, BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR, BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New. * builtins.def: Update DEF_BUILTIN comment to include COND argument. Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins into separate files. (DEF_GOMP_BUILTIN): New. (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER, BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END, BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END, BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START, BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START, BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START, BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START, BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START, BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT, 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_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT, BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END, BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END, BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT, BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END, BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START, BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New. * sync-builtins.def: New file, moved from builtins.def. * omp-builtins.def: New file, moved from builtins.def. * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine. * gimple-low.c (lower_function_body): Clear data. (lower_stmt): Do not handle COMPOUND_EXPR. Remove call to print_node_brief. * c-tree.h (c_finish_omp_clauses): New prototype. (C_DECL_THREADPRIVATE_P): Define. (lookup_name_no_remap, c_omp_remap_private): Remove (c_begin_omp_parallel, c_finish_omp_parallel): Update. (check_for_loop_decls): Update decl. (lookup_name_no_remap, c_omp_remap_private): Declare. (build_indirect_ref, build_modify_expr, pushdecl, pushdecl_top_level): Move to c-common.h. * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp before the switch, but just in the 2 places that need it. * c-decl.c (diagnose_mismatched_decls): Do not check for mismatched thread-local attributes when OLDDECL is marked threadprivate and NEWDECL has no thread-local attributes. (merge_decls): Merge C_DECL_THREADPRIVATE_P. (c_gimple_diagnostics_recursively): Rename from c_warn_unused_result_recursively. Invoke diagnose_omp_structured_block_errors. (check_for_loop_decls): Return a singular decl found. * langhooks.c (lhd_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls. (lhd_omp_firstprivatize_type_sizes): New. (lhd_omp_assignment): New. (lhd_omp_predetermined_sharing): New. * langhooks.h (struct gimplify_omp_ctx): Forward declare. (struct lang_hooks_for_types): Add omp_firstprivatize_type_sizes, omp_privatize_by_reference, omp_predetermined_sharing, omp_disregard_value_expr, omp_private_debug_clause, omp_clause_default_ctor, omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor. (c_finish_omp_clauses): New. (c_finish_bc_stmt): Diagnose break within omp for. (c_begin_omp_parallel, c_finish_omp_parallel): New. (build_unary_op): Return error_mark after reporting a readonly_error. (build_modify_expr): Likewise. * gimplify.c: Include optabs.h and pointer-set.h. (enum gimplify_omp_var_data): Declare. (struct gimplify_omp_ctx): Declare. (struct gimplify_ctx): Add fields prev_context, combined_pre_p and combined_ctxp. (gimplify_ctxp, gimplify_omp_ctxp): New local variables. (push_gimplify_context, pop_gimplify_context): Allow nesting. (splay_tree_compare_decl_uid): New. (new_omp_context): New. (delete_omp_context): New. (gimple_add_tmp_var): Call omp_add_variable. (gimplify_bind_expr): Likewise. (gimplify_var_or_parm_decl): If omp_notice_variable returned true, disregard DECL_VALUE_EXPR on the decl if any. (gimplify_expr_in_ctx): New. (omp_firstprivatize_variable, omp_firstprivatize_type_sizes omp_add_variable, omp_notice_variable, omp_is_private gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1 gimplify_adjust_omp_clauses, gimplify_omp_parallel gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p gimplify_omp_atomic_fetch_op, goa_stabilize_expr gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex gimplify_omp_atomic): New. (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS, OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL and OMP_ATOMIC. (gimplify_body): Verify gimplify_ctxp is empty after gimplification. * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER, PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR, PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED, PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR, PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION, PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE, PRAGMA_OMP_THREADPRIVATE. * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS, OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define. * print-tree.c (print_node): Dump DECL_VALUE_EXPR. * tree-ssa-dce.c (find_control_dependence): Do not assume that ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR). * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for OpenMP directives. (struct nesting_info): Add field_map, suppress_expansion, debug_var_chain. (create_nesting_tree): Initialize them. (lookup_field_for_decl): Use field_map. (get_nonlocal_debug_decl, get_local_debug_decl): New. (convert_local_omp_clauses): New. (finalize_nesting_tree_1): Add debug_var_chain to toplevel block. (walk_body): Split out of walk_function. (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New. (convert_nonlocal_reference): Handle omp statements. (convert_local_reference): Likewise. (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1. (unnest_nesting_tree): New. (lower_nested_functions): Call it. (insert_field_into_struct): Make extern. (struct walk_stmt_info): Move to tree-gimple.h. (walk_stmts): Make extern. * omp-builtins.def: New file. * tree-iterator.c (expr_only): Clarify comment. * c-common.h (pushdecl_top_level, pushdecl, build_modify_expr, build_indirect_ref, c_finish_omp_master, c_finish_omp_critical, c_finish_omp_ordered, c_finish_omp_barrier, c_finish_omp_atomic, c_finish_omp_flush, c_finish_omp_for, c_split_parallel_clauses, omp_clause_default_kind, c_omp_sharing_predetermined, c_omp_remap_decl): Declare. * Makefile.in (BUILTINS_DEF): Add omp-builtins.def. (OBJS-common): Add omp-low.o. (c-omp.o, omp-low.o): Add. (gimplify.o): Add dependency on $(OPTABS_H). (GTFILES): Add omp-low.c. (gt-stringpool.h): Add. * tree-cfg.c (set_bb_for_stmt): Do not update the block-to-labels map if we are currently expanding to RTL. (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P checks. Handle IDENTIFIER_NODE. (tree_verify_flow_info): Do not ICE when emitting error messages about invalid labels. (dump_function_to_file): Reset CFUN before emitting the body of the function. (debug_function): New. * passes.c (init_optimization_passes): Schedule pass_lower_omp. * langhooks-def.h (lhd_omp_predetermined_sharing, lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes): Declare. (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define. (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it. (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE, LANG_HOOKS_OMP_PREDETERMINED_SHARING, LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR, LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE, LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR, LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, LANG_HOOKS_OMP_CLAUSE_DTOR): Define. (LANG_HOOK_DECLS): Use them. 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com> Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * c-parser.c (pragma_omp_clause): Define. (c_parser_declaration_or_fndef): Document OpenMP syntax. (c_parser_compound_statement): Likewise. (c_parser_statement): Likewise. (c_parser_pragma): Handle omp pragmas. (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK, OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define. (c_parser_omp_clause_name, check_no_duplicate_clause, c_parser_omp_variable_list, c_parser_omp_var_list_parens, c_parser_omp_clause_copyin, c_parser_omp_clause_copyprivate, c_parser_omp_clause_default, c_parser_omp_clause_firstprivate, c_parser_omp_clause_if, c_parser_omp_clause_lastprivate, c_parser_omp_clause_nowait, c_parser_omp_clause_num_threads, c_parser_omp_clause_ordered, c_parser_omp_clause_private, c_parser_omp_clause_reduction, c_parser_omp_clause_schedule, c_parser_omp_clause_shared, c_parser_omp_all_clauses, c_parser_omp_structured_block, c_parser_omp_atomic, c_parser_omp_barrier, c_parser_omp_critical, c_parser_omp_flush, c_parser_omp_for_loop, c_parser_omp_for, c_parser_omp_master, c_parser_omp_ordered, c_parser_omp_sections_scope, c_parser_omp_sections, c_parser_omp_parallel, c_parser_omp_single, c_parser_omp_construct, c_parser_omp_threadprivate): New. * c-pragma.c (init_pragma): Do omp pragma registration here. * c.opt (fopenmp): New flag. 2006-01-18 Eric Christopher <echristo@apple.com> * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif. * config/darwin.h (GOMP_SELF_SPECS): Define. testsuite/ 2006-01-18 Richard Henderson <rth@redhat.com> Aldy Hernandez <aldyh@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> Uros Bizjak <uros@kss-loka.si> * testsuite/gcc.dg/gomp: New directory. From-SVN: r109902
2006-01-18 20:21:25 +01:00
/* If dynamic threads are enabled, bound the number of threads
that we launch. */
c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805. * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805. * langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause. Add omp_private_outer_ref hook, add another argument to omp_clause_default_ctor hook. * langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define. (LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define. (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to hook_tree_tree_tree_tree_null. (LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and LANG_HOOKS_OMP_PRIVATE_OUTER_REF. * hooks.c (hook_tree_tree_tree_tree_null): New function. * hooks.h (hook_tree_tree_tree_tree_null): New prototype. * tree.def (OMP_TASK): New tree code. * tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN, OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT, OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES, OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY, OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG, OMP_CLAUSE_COLLAPSE_EXPR): Define. (enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. (OMP_DIRECTIVE_P): Add OMP_TASK. (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes. (OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind. * tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED entries. (omp_clause_num_ops): Likewise. Increase OMP_CLAUSE_LASTPRIVATE num_ops to 2. (walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Walk OMP_CLAUSE_LASTPRIVATE_STMT. * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. (dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops. * c-omp.c (c_finish_omp_for): Allow pointer iterators. Remove warning about unsigned iterators. Change decl/init/cond/incr arguments to TREE_VECs, check arguments for all collapsed loops. (c_finish_omp_taskwait): New function. (c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to ws_clauses. * c-parser.c (c_parser_omp_for_loop): Parse collapsed loops. Call default_function_array_conversion on init. Add par_clauses argument. If decl is present in parallel's lastprivate clause, change it to shared and add lastprivate clause for decl to OMP_FOR_CLAUSES. Add clauses argument, on success set OMP_FOR_CLAUSES to it. Look up collapse count in clauses. (c_parser_omp_for, c_parser_omp_parallel): Adjust c_parser_omp_for_loop callers. (OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE. (c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT. (c_parser_omp_clause_name): Handle collapse and untied clauses. (c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New functions. (c_parser_omp_clause_schedule): Handle schedule(auto). Include correct location in the error message. (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE and PRAGMA_OMP_CLAUSE_UNTIED. (OMP_TASK_CLAUSE_MASK): Define. (c_parser_omp_task, c_parser_omp_taskwait): New functions. (c_parser_omp_construct): Handle PRAGMA_OMP_TASK. * tree-nested.c (convert_nonlocal_omp_clauses, convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE, OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in OMP_CLAUSE_DECL. (conver_nonlocal_reference, convert_local_reference, convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL. Use OMP_TASKREG_* macros rather than OMP_PARALLEL_*. (walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes. * tree-gimple.c (is_gimple_stmt): Handle OMP_TASK. * c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes. * c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New. (PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New. * c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions. (c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. * c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas. * c-common.h (c_finish_omp_taskwait): New prototype. * gimple-low.c (lower_stmt): Handle OMP_TASK. * tree-parloops.c (create_parallel_loop): Create 1 entry vectors for OMP_FOR_{INIT,COND,INCR}. * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers. (make_edges): Handle OMP_TASK. * tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. * tree-inline.c (estimate_num_insns_1): Handle OMP_TASK. * builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR, BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New. * omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT, BUILT_IN_GOMP_LOOP_ULL_STATIC_START, BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ULL_GUIDED_START, BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins. * gimplify.c (gimplify_omp_for): Allow pointer type for decl, handle POINTER_PLUS_EXPR. If loop counter has been replaced and original iterator is present in lastprivate clause or if collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT. Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. (gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK. (enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF. (omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed, if it is set, lookup var in outer contexts too. Handle OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. Handle vars that are supposed to be implicitly determined firstprivate for task regions. (gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed, if it is set, lookup var in outer contexts too. Set OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set. Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Take region_type as last argument instead of in_parallel and in_combined_parallel. (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare): Adjust callers. (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set. Call omp_finish_clause langhook. (new_omp_context): Set default_kind to OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions. (omp_region_type): New enum. (struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel fields, add region_type. (new_omp_context): Take region_type as argument instead of is_parallel and is_combined_parallel. (gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable, omp_is_private, omp_check_private): Adjust ctx->is_parallel and ctx->is_combined_parallel checks. (gimplify_omp_task): New function. (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. * omp-low.c (extract_omp_for_data): Use schedule(static) for schedule(auto). Handle pointer and unsigned iterators. Compute fd->iter_type. Handle POINTER_PLUS_EXPR increments. Add loops argument. Extract data for collapsed OMP_FOR loops. (expand_parallel_call): Assert sched_kind isn't auto, map runtime schedule to index 3. (struct omp_for_data_loop): New type. (struct omp_for_data): Remove v, n1, n2, step, cond_code fields. Add loop, loops, collapse and iter_type fields. (workshare_safe_to_combine_p): Disallow combined for if iter_type is unsigned long long. Don't combine collapse > 1 loops unless all bounds and steps are constant. Adjust extract_omp_for_data caller. (expand_omp_for_generic): Handle pointer, unsigned and long long iterators. Handle collapsed OMP_FOR loops. Adjust for struct omp_for_data changes. If libgomp function doesn't return boolean_type_node, add comparison of the return value with 0. (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle pointer, unsigned and long long iterators. Adjust for struct omp_for_data changes. (expand_omp_for): Assert sched_kind isn't auto, map runtime schedule to index 3. Use GOMP_loop_ull*{start,next} if iter_type is unsigned long long. Allocate loops array, pass it to extract_omp_for_data. For collapse > 1 loops use always expand_omp_for_generic. (omp_context): Add sfield_map and srecord_type fields. (is_task_ctx, lookup_sfield): New functions. (use_pointer_for_field): Use is_task_ctx helper. Change first argument's type from const_tree to tree. Clarify comment. In OMP_TASK disallow copy-in/out sharing. (build_sender_ref): Call lookup_sfield instead of lookup_field. (install_var_field): Add mask argument. Populate both record_type and srecord_type if needed. (delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN in srecord_type. (fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT} and DECL_FIELD_OFFSET. (scan_sharing_clauses): Adjust install_var_field callers. For firstprivate clauses on explicit tasks allocate the var by value in record_type unconditionally, rather than by reference. Handle OMP_CLAUSE_PRIVATE_OUTER_REF. Scan OMP_CLAUSE_LASTPRIVATE_STMT. Use is_taskreg_ctx instead of is_parallel_ctx. Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. (create_omp_child_function_name): Add task_copy argument, use *_omp_cpyfn* names if it is true. (create_omp_child_function): Add task_copy argument, if true create *_omp_cpyfn* helper function. (scan_omp_parallel): Adjust create_omp_child_function callers. Rename parallel_nesting_level to taskreg_nesting_level. (scan_omp_task): New function. (lower_rec_input_clauses): Don't run constructors for firstprivate explicit task vars which are initialized by *_omp_cpyfn*. Pass outer var ref to omp_clause_default_ctor hook if OMP_CLAUSE_PRIVATE_OUTER_REF or OMP_CLAUSE_LASTPRIVATE. Replace OMP_CLAUSE_REDUCTION_PLACEHOLDER decls in OMP_CLAUSE_REDUCTION_INIT. (lower_send_clauses): Clear DECL_ABSTRACT_ORIGIN if in task to avoid duplicate setting of fields. Handle OMP_CLAUSE_PRIVATE_OUTER_REF. (lower_send_shared_vars): Use srecord_type if non-NULL. Don't copy-out if TREE_READONLY, only copy-in. (expand_task_copyfn): New function. (expand_task_call): New function. (struct omp_taskcopy_context): New type. (task_copyfn_copy_decl, task_copyfn_remap_type, create_task_copyfn): New functions. (lower_omp_parallel): Rename to... (lower_omp_taskreg): ... this. Use OMP_TASKREG_* macros where needed. Call create_task_copyfn if srecord_type is needed. Adjust sender_decl type. (task_shared_vars): New variable. (check_omp_nesting_restrictions): Warn if work-sharing, barrier, master or ordered region is closely nested inside OMP_TASK. Add warnings for barrier if closely nested inside of work-sharing, ordered, or master region. (scan_omp_1): Call check_omp_nesting_restrictions even for GOMP_barrier calls. Rename parallel_nesting_level to taskreg_nesting_level. Handle OMP_TASK. (lower_lastprivate_clauses): Even if some lastprivate is found on a work-sharing construct, continue looking for them on parent parallel construct. (lower_omp_for_lastprivate): Add lastprivate clauses to the beginning of dlist rather than end. Adjust for struct omp_for_data changes. (lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY, not after it. Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller. (get_ws_args_for): Adjust extract_omp_for_data caller. (scan_omp_for): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. (lower_omp_single_simple): If libgomp function doesn't return boolean_type_node, add comparison of the return value with 0. (diagnose_sb_1, diagnose_sb_2): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. Handle OMP_TASK. (parallel_nesting_level): Rename to... (taskreg_nesting_level): ... this. (is_taskreg_ctx): New function. (build_outer_var_ref, omp_copy_decl): Use is_taskreg_ctx instead of is_parallel_ctx. (execute_lower_omp): Rename parallel_nesting_level to taskreg_nesting_level. (expand_omp_parallel): Rename to... (expand_omp_taskreg): ... this. Use OMP_TASKREG_* macros where needed. Call omp_task_call for OMP_TASK regions. (expand_omp): Adjust caller, handle OMP_TASK. (lower_omp_1): Adjust lower_omp_taskreg caller, handle OMP_TASK. * bitmap.c (bitmap_default_obstack_depth): New variable. (bitmap_obstack_initialize, bitmap_obstack_release): Do nothing if argument is NULL and bitmap_default_obstack is already initialized. * ipa-struct-reorg.c (do_reorg_1): Call bitmap_obstack_release at the end. * matrix-reorg.c (matrix_reorg): Likewise. cp/ * cp-tree.h (cxx_omp_finish_clause, cxx_omp_create_clause_info, dependent_omp_for_p, begin_omp_task, finish_omp_task, finish_omp_taskwait): New prototypes. (cxx_omp_clause_default_ctor): Add outer argument. (finish_omp_for): Add new clauses argument. * cp-gimplify.c (cxx_omp_finish_clause): New function. (cxx_omp_predetermined_sharing): Moved from semantics.c, rewritten. (cxx_omp_clause_default_ctor): Add outer argument. (cp_genericize_r): Walk OMP_CLAUSE_LASTPRIVATE_STMT. * cp-objcp-common.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define. * parser.c (cp_parser_omp_for_loop): Parse collapsed for loops. Add par_clauses argument. If decl is present in parallel's lastprivate clause, change that clause to shared and add a lastprivate clause for decl to OMP_FOR_CLAUSES. Fix wording of error messages. Adjust finish_omp_for caller. Add clauses argument. Parse loops with random access iterators. (cp_parser_omp_clause_collapse, cp_parser_omp_clause_untied): New functions. (cp_parser_omp_for, cp_parser_omp_parallel): Adjust cp_parser_omp_for_loop callers. (cp_parser_omp_for_cond, cp_parser_omp_for_incr): New helper functions. (cp_parser_omp_clause_name): Handle collapse and untied clauses. (cp_parser_omp_clause_schedule): Handle auto schedule. (cp_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE and PRAGMA_OMP_CLAUSE_UNTIED. (OMP_FOR_CLAUSE_MASK): Add PRAGMA_OMP_CLAUSE_COLLAPSE. (OMP_TASK_CLAUSE_MASK): Define. (cp_parser_omp_task, cp_parser_omp_taskwait): New functions. (cp_parser_omp_construct): Handle PRAGMA_OMP_TASK. (cp_parser_pragma): Handle PRAGMA_OMP_TASK and PRAGMA_OMP_TASKWAIT. * pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Handle OMP_CLAUSE_LASTPRIVATE_STMT. (tsubst_omp_for_iterator): New function. (dependent_omp_for_p): New function. (tsubst_expr) <case OMP_FOR>: Use it. Handle collapsed OMP_FOR loops. Adjust finish_omp_for caller. Handle loops with random access iterators. Adjust for OMP_FOR_{INIT,COND,INCR} changes. (tsubst_expr): Handle OMP_TASK. * semantics.c (cxx_omp_create_clause_info): New function. (finish_omp_clauses): Call it. Handle OMP_CLAUSE_UNTIED and OMP_CLAUSE_COLLAPSE. (cxx_omp_predetermined_sharing): Removed. * semantics.c (finish_omp_for): Allow pointer iterators. Use handle_omp_for_class_iterator and dependent_omp_for_p. Handle collapsed for loops. Adjust c_finish_omp_for caller. Add new clauses argument. Fix check for type dependent cond or incr. Set OMP_FOR_CLAUSES to clauses. Use cp_convert instead of fold_convert to convert incr amount to difference_type. Only fold if not in template. If decl is mentioned in lastprivate clause, set OMP_CLAUSE_LASTPRIVATE_STMT. Handle loops with random access iterators. Adjust for OMP_FOR_{INIT,COND,INCR} changes. (finish_omp_threadprivate): Allow static class members of the current class. (handle_omp_for_class_iterator, begin_omp_task, finish_omp_task, finish_omp_taskwait): New functions. * parser.c (cp_parser_binary_expression): Add prec argument. (cp_parser_assignment_expression): Adjust caller. * cp-tree.h (outer_curly_brace_block): New prototype. * decl.c (outer_curly_brace_block): No longer static. fortran/ * scanner.c (skip_free_comments, skip_fixed_comments): Handle tabs. * parse.c (next_free): Allow tab after !$omp. (decode_omp_directive): Handle !$omp task, !$omp taskwait and !$omp end task. (case_executable): Add ST_OMP_TASKWAIT. (case_exec_markers): Add ST_OMP_TASK. (gfc_ascii_statement): Handle ST_OMP_TASK, ST_OMP_END_TASK and ST_OMP_TASKWAIT. (parse_omp_structured_block, parse_executable): Handle ST_OMP_TASK. * gfortran.h (gfc_find_sym_in_expr): New prototype. (gfc_statement): Add ST_OMP_TASK, ST_OMP_END_TASK and ST_OMP_TASKWAIT. (gfc_omp_clauses): Add OMP_SCHED_AUTO to sched_kind, OMP_DEFAULT_FIRSTPRIVATE to default_sharing. Add collapse and untied fields. (gfc_exec_op): Add EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * f95-lang.c (LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, LANG_HOOKS_OMP_CLAUSE_DTOR, LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define. * trans.h (gfc_omp_clause_default_ctor): Add another argument. (gfc_omp_clause_copy_ctor, gfc_omp_clause_assign_op, gfc_omp_clause_dtor, gfc_omp_private_outer_ref): New prototypes. * types.def (BT_ULONGLONG, BT_PTR_ULONGLONG, BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_VOID_PTR_PTR, BT_PTR_FN_VOID_PTR_PTR, BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New. (BT_BOOL): Use integer type with BOOL_TYPE_SIZE rather than boolean_type_node. * dump-parse-tree.c (gfc_show_omp_node): Handle EXEC_OMP_TASK, EXEC_OMP_TASKWAIT, OMP_SCHED_AUTO, OMP_DEFAULT_FIRSTPRIVATE, untied and collapse clauses. (gfc_show_code_node): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * trans.c (gfc_trans_code): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * st.c (gfc_free_statement): Likewise. * resolve.c (gfc_resolve_blocks, resolve_code): Likewise. (find_sym_in_expr): Rename to... (gfc_find_sym_in_expr): ... this. No longer static. (resolve_allocate_expr, resolve_ordinary_assign): Adjust caller. * match.h (gfc_match_omp_task, gfc_match_omp_taskwait): New prototypes. * openmp.c (resolve_omp_clauses): Allow allocatable arrays in firstprivate, lastprivate, reduction, copyprivate and copyin clauses. (omp_current_do_code): Made static. (omp_current_do_collapse): New variable. (gfc_resolve_omp_do_blocks): Compute omp_current_do_collapse, clear omp_current_do_code and omp_current_do_collapse on return. (gfc_resolve_do_iterator): Handle collapsed do loops. (resolve_omp_do): Likewise, diagnose errorneous collapsed do loops. (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): Define. (gfc_match_omp_clauses): Handle default (firstprivate), schedule (auto), untied and collapse (n) clauses. (OMP_DO_CLAUSES): Add OMP_CLAUSE_COLLAPSE. (OMP_TASK_CLAUSES): Define. (gfc_match_omp_task, gfc_match_omp_taskwait): New functions. * trans-openmp.c (gfc_omp_private_outer_ref): New function. (gfc_omp_clause_default_ctor): Add outer argument. For allocatable arrays allocate them with the bounds of the outer var if outer var is allocated. (gfc_omp_clause_copy_ctor, gfc_omp_clause_assign_op, gfc_omp_clause_dtor): New functions. (gfc_trans_omp_array_reduction): If decl is allocatable array, allocate it with outer var's bounds in OMP_CLAUSE_REDUCTION_INIT and deallocate it in OMP_CLAUSE_REDUCTION_MERGE. (gfc_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED for assumed-size arrays. (gfc_trans_omp_do): Add par_clauses argument. If dovar is present in lastprivate clause and do loop isn't simple, set OMP_CLAUSE_LASTPRIVATE_STMT. If dovar is present in parallel's lastprivate clause, change it to shared and add lastprivate clause to OMP_FOR_CLAUSES. Handle collapsed do loops. (gfc_trans_omp_directive): Adjust gfc_trans_omp_do callers. (gfc_trans_omp_parallel_do): Likewise. Move collapse clause to OMP_FOR from OMP_PARALLEL. (gfc_trans_omp_clauses): Handle OMP_SCHED_AUTO, OMP_DEFAULT_FIRSTPRIVATE, untied and collapse clauses. (gfc_trans_omp_task, gfc_trans_omp_taskwait): New functions. (gfc_trans_omp_directive): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. gcc/testsuite/ * gcc.dg/gomp/collapse-1.c: New test. * gcc.dg/gomp/nesting-1.c: New test. * g++.dg/gomp/task-1.C: New test. * g++.dg/gomp/predetermined-1.C: New test. * g++.dg/gomp/tls-4.C: New test. * gfortran.dg/gomp/collapse1.f90: New test. * gfortran.dg/gomp/sharing-3.f90: New test. * gcc.dg/gomp/pr27499.c (foo): Remove is unsigned dg-warning. * g++.dg/gomp/pr27499.C (foo): Likewise. * g++.dg/gomp/for-16.C (foo): Likewise. * g++.dg/gomp/tls-3.C: Remove dg-error, add S::s definition. * g++.dg/gomp/pr34607.C: Adjust dg-error location. * g++.dg/gomp/for-16.C (foo): Add a new dg-error. * gcc.dg/gomp/appendix-a/a.35.4.c: Add dg-warning. * gcc.dg/gomp/appendix-a/a.35.6.c: Likewise. * gfortran.dg/gomp/appendix-a/a.35.4.f90: Likewise. * gfortran.dg/gomp/appendix-a/a.35.6.f90: Likewise. * gfortran.dg/gomp/omp_parse1.f90: Remove !$omp tab test. * gfortran.dg/gomp/appendix-a/a.33.4.f90: Remove dg-error about allocatable array. * gfortran.dg/gomp/reduction1.f90: Likewise. libgomp/ * configure.ac (LIBGOMP_GNU_SYMBOL_VERSIONING): New AC_DEFINE. Substitute also OMP_*LOCK_25*. * configure: Regenerated. * config.h.in: Regenerated. * Makefile.am (libgomp_la_SOURCES): Add loop_ull.c, iter_ull.c, ptrlock.c and task.c. * Makefile.in: Regenerated. * testsuite/Makefile.in: Regenerated. * task.c: New file. * loop_ull.c: New file. * iter_ull.c: New file. * libgomp.h: Include ptrlock.h. (enum gomp_task_kind): New type. (struct gomp_team): Add task_lock, task_queue, task_count, task_running_count, single_count fields. Add work_share_list_free_lock ifndef HAVE_SYNC_BUILTINS. Remove work_share_lock, generation_mask, oldest_live_gen, num_live_gen and init_work_shares fields, add work work_share_list_alloc, work_share_list_free and work_share_chunk fields. Change work_shares from pointer to pointers into an array. Change ordered_release field into gomp_sem_t ** from flexible array member. Add implicit_task and initial_work_shares fields. Move close to the end of the struct. (struct gomp_team_state): Add single_count, last_work_share, active_level and level fields, remove work_share_generation. (gomp_barrier_handle_tasks): New prototype. (gomp_finish_task): New inline function. (struct gomp_work_share): Move chunk_size, end, incr into transparent union/struct, add chunk_size_ull, end_ll, incr_ll and next_ll fields. Reshuffle fields. Add next_alloc, next_ws, next_free and inline_ordered_team_ids fields, change ordered_team_ids into pointer from flexible array member. Add mode field. Put lock and next into a different cache line from most of the write-once fields. (gomp_iter_ull_static_next, gomp_iter_ull_dynamic_next_locked, gomp_iter_ull_guided_next_locked, gomp_iter_ull_dynamic_next, gomp_iter_ull_guided_next): New prototypes. (gomp_new_icv): New prototype. (struct gomp_thread): Add thread_pool and task fields. (struct gomp_thread_pool): New type. (gomp_new_team): New prototype. (gomp_team_start): Change type of last argument. (gomp_new_work_share): Removed. (gomp_init_work_share, gomp_fini_work_share): New prototypes. (gomp_work_share_init_done): New static inline. (gomp_throttled_spin_count_var, gomp_available_cpus, gomp_managed_threads): New extern decls. (gomp_init_task): New prototype. (gomp_spin_count_var): New extern var decl. (LIBGOMP_GNU_SYMBOL_VERSIONING): Undef if no visibility or no alias support, or if not PIC. (gomp_init_lock_30, gomp_destroy_lock_30, gomp_set_lock_30, gomp_unset_lock_30, gomp_test_lock_30, gomp_init_nest_lock_30, gomp_destroy_nest_lock_30, gomp_set_nest_lock_30, gomp_unset_nest_lock_30, gomp_test_nest_lock_30, gomp_init_lock_25, gomp_destroy_lock_25, gomp_set_lock_25, gomp_unset_lock_25, gomp_test_lock_25, gomp_init_nest_lock_25, gomp_destroy_nest_lock_25, gomp_set_nest_lock_25, gomp_unset_nest_lock_25, gomp_test_nest_lock_25): New prototypes. (omp_lock_symver, strong_alias): Define. (gomp_remaining_threads_count, gomp_remaining_threads_lock): New decls. (gomp_end_task): New. (struct gomp_task_icv, gomp_global_icv): New. (gomp_thread_limit_var, gomp_max_active_levels_var): New. (struct gomp_task): New. (gomp_nthreads_var, gomp_dyn_var, gomp_nest_var, gomp_run_sched_var, gomp_run_sched_chunk): Remove. (gomp_icv): New. (gomp_schedule_type): Reorder enum to match omp_sched_t. * team.c (struct gomp_thread_start_data): Add thread_pool and task fields. (gomp_thread_start): Add gomp_team_barrier_wait call. For non-nested case remove clearing of docked thread thr fields. Use pool fields instead of global gomp_* variables. Use gomp_barrier_wait_last when needed. Initialize ts.active_level. Create tasks for each member thread. (free_team): Only destroy team barrier, task_lock here and free it. (gomp_free_thread): Free last_team if non-NULL. (gomp_team_end): Call gomp_team_barrier_wait instead of gomp_barrier_wait. For nested case call one extra gomp_barrier_wait. Move here some destruction from free_team. Call free_team on pool->last_team if any, rather than freeing current team. Destroy work_share_list_free_lock ifndef HAVE_SYNC_BUILTINS. (gomp_new_icv): New function. (gomp_threads, gomp_threads_size, gomp_threads_used, gomp_threads_dock): Removed. (gomp_thread_destructor): New variable. (gomp_new_thread_pool, gomp_free_pool_helper, gomp_free_thread): New functions. (gomp_team_start): Create new pool if current thread doesn't have one. Use pool fields instead of global gomp_* variables. Initialize thread_pool field for new threads. Clear single_count. Change last argument from ws to team, don't create new team, set ts.work_share to &team->work_shares[0] and clear ts.last_work_share. Don't clear ts.work_share_generation. If number of threads changed, adjust atomically gomp_managed_threads. Use gomp_init_task instead of gomp_new_task, set thr->task to the corresponding implicit_task array entry. Create tasks for each member thread. Initialize ts.level. (initialize_team): Call pthread_key_create on gomp_thread_destructor. (team_destructor): New function. (new_team): Removed. (gomp_new_team): New function. (free_team): Free gomp_work_share blocks chained through next_alloc, instead of freeing work_shares and destroying work_share_lock. (gomp_team_end): Call gomp_fini_work_share. If number of threads changed, adjust atomically gomp_managed_threads. Use gomp_end_task. * barrier.c (GOMP_barrier): Call gomp_team_barrier_wait instead of gomp_barrier_wait. * single.c (GOMP_single_copy_start): Call gomp_team_barrier_wait instead of gomp_barrier_wait. Call gomp_work_share_init_done if gomp_work_share_start returned true. Don't unlock ws->lock. (GOMP_single_copy_end): Call gomp_team_barrier_wait instead of gomp_barrier_wait. (GOMP_single_start): Rewritten if HAVE_SYNC_BUILTINS. Call gomp_work_share_init_done if gomp_work_share_start returned true. Don't unlock ws->lock. * work.c: Include stddef.h. (free_work_share): Use work_share_list_free_lock instead of atomic chaining ifndef HAVE_SYNC_BUILTINS. Add team argument. Call gomp_fini_work_share and then either free ws if orphaned, or put it into work_share_list_free list of the current team. (alloc_work_share, gomp_init_work_share, gomp_fini_work_share): New functions. (gomp_work_share_start, gomp_work_share_end, gomp_work_share_end_nowait): Rewritten. * omp_lib.f90.in Change some tabs to spaces to prevent warnings. (openmp_version): Set to 200805. (omp_sched_kind, omp_sched_static, omp_sched_dynamic, omp_sched_guided, omp_sched_auto): New parameters. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New interfaces. * omp_lib.h.in (openmp_version): Set to 200805. (omp_sched_kind, omp_sched_static, omp_sched_dynamic, omp_sched_guided, omp_sched_auto): New parameters. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New externals. * loop.c: Include limits.h. (GOMP_loop_runtime_next, GOMP_loop_ordered_runtime_next): Handle GFS_AUTO. (GOMP_loop_runtime_start, GOMP_loop_ordered_runtime_start): Likewise. Use gomp_icv. (gomp_loop_static_start, gomp_loop_dynamic_start): Clear ts.static_trip here. (gomp_loop_static_start, gomp_loop_ordered_static_start): Call gomp_work_share_init_done after gomp_loop_init. Don't unlock ws->lock. (gomp_loop_dynamic_start, gomp_loop_guided_start): Call gomp_work_share_init_done after gomp_loop_init. If HAVE_SYNC_BUILTINS, don't unlock ws->lock, otherwise lock it. (gomp_loop_ordered_dynamic_start, gomp_loop_ordered_guided_start): Call gomp_work_share_init_done after gomp_loop_init. Lock ws->lock. (gomp_parallel_loop_start): Call gomp_new_team instead of gomp_new_work_share. Call gomp_loop_init on &team->work_shares[0]. Adjust gomp_team_start caller. Pass 0 as second argument to gomp_resolve_num_threads. (gomp_loop_init): For GFS_DYNAMIC, multiply ws->chunk_size by incr. If adding ws->chunk_size nthreads + 1 times after end won't overflow, set ws->mode to 1. * libgomp_g.h (GOMP_loop_ull_static_start, GOMP_loop_ull_dynamic_start, GOMP_loop_ull_guided_start, GOMP_loop_ull_runtime_start, GOMP_loop_ull_ordered_static_start, GOMP_loop_ull_ordered_dynamic_start, GOMP_loop_ull_ordered_guided_start, GOMP_loop_ull_ordered_runtime_start, GOMP_loop_ull_static_next, GOMP_loop_ull_dynamic_next, GOMP_loop_ull_guided_next, GOMP_loop_ull_runtime_next, GOMP_loop_ull_ordered_static_next, GOMP_loop_ull_ordered_dynamic_next, GOMP_loop_ull_ordered_guided_next, GOMP_loop_ull_ordered_runtime_next, GOMP_task, GOMP_taskwait): New prototypes. * libgomp.map: Export lock routines also @@OMP_2.0. (GOMP_loop_ordered_dynamic_first, GOMP_loop_ordered_guided_first, GOMP_loop_ordered_runtime_first, GOMP_loop_ordered_static_first): Remove. (GOMP_loop_ull_dynamic_next, GOMP_loop_ull_dynamic_start, GOMP_loop_ull_guided_next, GOMP_loop_ull_guided_start, GOMP_loop_ull_ordered_dynamic_next, GOMP_loop_ull_ordered_dynamic_start, GOMP_loop_ull_ordered_guided_next, GOMP_loop_ull_ordered_guided_start, GOMP_loop_ull_ordered_runtime_next, GOMP_loop_ull_ordered_runtime_start, GOMP_loop_ull_ordered_static_next, GOMP_loop_ull_ordered_static_start, GOMP_loop_ull_runtime_next, GOMP_loop_ull_runtime_start, GOMP_loop_ull_static_next, GOMP_loop_ull_static_start, GOMP_task, GOMP_taskwait): Export @@GOMP_2.0. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level, omp_set_schedule_, omp_set_schedule_8_, omp_get_schedule_, omp_get_schedule_8_, omp_get_thread_limit_, omp_set_max_active_levels_, omp_set_max_active_levels_8_, omp_get_max_active_levels_, omp_get_level_, omp_get_ancestor_thread_num_, omp_get_ancestor_thread_num_8_, omp_get_team_size_, omp_get_team_size_8_, omp_get_active_level_): New exports @@OMP_3.0. * omp.h.in (omp_sched_t): New type. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New prototypes. * env.c (gomp_spin_count_var, gomp_throttled_spin_count_var, gomp_available_cpus, gomp_managed_threads, gomp_max_active_levels_var, gomp_thread_limit_var, gomp_remaining_threads_count, gomp_remaining_threads_lock): New variables. (parse_spincount): New function. (initialize_env): Call gomp_init_num_threads unconditionally. Initialize gomp_available_cpus. Call parse_spincount, initialize gomp_{,throttled_}spin_count_var depending on presence and value of OMP_WAIT_POLICY and GOMP_SPINCOUNT env vars. Handle GOMP_BLOCKTIME env var. Handle OMP_WAIT_POLICY, OMP_MAX_ACTIVE_LEVELS, OMP_THREAD_LIMIT, OMP_STACKSIZE env vars. Handle unit specification for GOMP_STACKSIZE. Initialize gomp_remaining_threads_count and gomp_remaining_threads_lock if needed. Use gomp_global_icv. (gomp_nthreads_var, gomp_dyn_var, gomp_nest_var, gomp_run_sched_var, gomp_run_sched_chunk): Remove. (gomp_global_icv): New. (parse_schedule): Use it. Parse "auto". (omp_set_num_threads): Use gomp_icv. (omp_set_dynamic, omp_get_dynamic, omp_set_nested, omp_get_nested): Likewise. (omp_get_max_threads): Move from parallel.c. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels): New functions, add ialias. (parse_stacksize, parse_wait_policy): New functions. * fortran.c: Rewrite lock wrappers, if symbol versioning provide both wrappers for compatibility and new locks. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New ialias_redirect. (omp_set_schedule_, omp_set_schedule_8_, omp_get_schedule_, omp_get_schedule_8_, omp_get_thread_limit_, omp_set_max_active_levels_, omp_set_max_active_levels_8_, omp_get_max_active_levels_, omp_get_level_, omp_get_ancestor_thread_num_, omp_get_ancestor_thread_num_8_, omp_get_team_size_, omp_get_team_size_8_, omp_get_active_level_): New functions. * parallel.c: Include limits.h. (gomp_resolve_num_threads): Add count argument. Rewritten. (GOMP_parallel_start): Call gomp_new_team and pass that as last argument to gomp_team_start. Pass 0 as second argument to gomp_resolve_num_threads. (GOMP_parallel_end): Decrease gomp_remaining_threads_count if gomp_thread_limit_var != ULONG_MAX. (omp_in_parallel): Implement using ts.active_level. (omp_get_max_threads): Move to env.c. (omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New functions, add ialias. * sections.c (GOMP_sections_start): Call gomp_work_share_init_done after gomp_sections_init. If HAVE_SYNC_BUILTINS, call gomp_iter_dynamic_next instead of the _locked variant and don't take lock around it, otherwise acquire it before calling gomp_iter_dynamic_next_locked. (GOMP_sections_next): If HAVE_SYNC_BUILTINS, call gomp_iter_dynamic_next instead of the _locked variant and don't take lock around it. (GOMP_parallel_sections_start): Call gomp_new_team instead of gomp_new_work_share. Call gomp_sections_init on &team->work_shares[0]. Adjust gomp_team_start caller. Pass count as second argument to gomp_resolve_num_threads, don't adjust num_threads after the call. Use gomp_icv. * iter.c (gomp_iter_dynamic_next_locked): Don't multiply ws->chunk_size by incr. (gomp_iter_dynamic_next): Likewise. If ws->mode, use more efficient code. * libgomp_f.h.in (omp_lock_25_arg_t, omp_nest_lock_25_arg_t): New types. (omp_lock_25_arg, omp_nest_lock_25_arg): New macros. (omp_check_defines): Check even the compat defines. * config/linux/ptrlock.c: New file. * config/linux/ptrlock.h: New file. * config/linux/wait.h: New file. * config/posix/ptrlock.c: New file. * config/posix/ptrlock.h: New file. * config/linux/bar.h (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New prototypes. (gomp_team_barrier_set_task_pending, gomp_team_barrier_clear_task_pending, gomp_team_barrier_set_waiting_for_tasks, gomp_team_barrier_waiting_for_tasks, gomp_team_barrier_done): New inlines. (gomp_barrier_t): Rewritten. (gomp_barrier_state_t): New typedef. (gomp_barrier_init, gomp_barrier_reinit, gomp_barrier_destroy, gomp_barrier_wait_start): Rewritten. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_barrier_last_thread, gomp_barrier_wait_last): New static inlines. * config/linux/bar.c: Include wait.h instead of libgomp.h and futex.h. (gomp_barrier_wait_end): Rewritten. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake, gomp_barrier_wait_last): New functions. * config/posix/bar.h (gomp_barrier_t): Add generation field. (gomp_barrier_state_t): New typedef. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New prototypes. (gomp_barrier_wait_start): Or all but low 2 bits from generation into the return value. Return gomp_barrier_state_t. (gomp_team_barrier_set_task_pending, gomp_team_barrier_clear_task_pending, gomp_team_barrier_set_waiting_for_tasks, gomp_team_barrier_waiting_for_tasks, gomp_team_barrier_done): New inlines. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_barrier_last_thread, gomp_barrier_wait_last): New static inlines. * config/posix/bar.c (gomp_barrier_init): Clear generation field. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New functions. * config/linux/mutex.c: Include wait.h instead of libgomp.h and futex.h. (gomp_futex_wake, gomp_futex_wait): New variables. (gomp_mutex_lock_slow): Call do_wait instead of futex_wait. * config/linux/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. Include wait.h instead of libgomp.h and futex.h. (gomp_set_nest_lock_25): Call do_wait instead of futex_wait. * config/posix95/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. * config/posix/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. * config/linux/proc.c (gomp_init_num_threads): Use gomp_global_icv. (get_num_procs, gomp_dynamic_max_threads): Use gomp_icv. * config/posix/proc.c, config/mingw32/proc.c: Similarly. * config/linux/powerpc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/alpha/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/x86/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/s390/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/ia64/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/sparc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/sem.c: Include wait.h instead of libgomp.h and futex.h. (gomp_sem_wait_slow): Call do_wait instead of futex_wait. * config/linux/affinity.c: Assume HAVE_SYNC_BUILTINS. * config/linux/omp-lock.h (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_nest_lock_t): Change owner into void *, add lock field. * config/posix95/omp-lock.h: Include semaphore.h. (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_lock_t): Use sem_t instead of mutex if semaphores aren't broken. (omp_nest_lock_t): Likewise. Change owner to void *. * config/posix/omp-lock.h: Include semaphore.h. (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_lock_t): Use sem_t instead of mutex if semaphores aren't broken. (omp_nest_lock_t): Likewise. Add owner field. * testsuite/libgomp.c/collapse-1.c: New test. * testsuite/libgomp.c/collapse-2.c: New test. * testsuite/libgomp.c/collapse-3.c: New test. * testsuite/libgomp.c/icv-1.c: New test. * testsuite/libgomp.c/icv-2.c: New test. * testsuite/libgomp.c/lib-2.c: New test. * testsuite/libgomp.c/lock-1.c: New test. * testsuite/libgomp.c/lock-2.c: New test. * testsuite/libgomp.c/lock-3.c: New test. * testsuite/libgomp.c/loop-4.c: New test. * testsuite/libgomp.c/loop-5.c: New test. * testsuite/libgomp.c/loop-6.c: New test. * testsuite/libgomp.c/loop-7.c: New test. * testsuite/libgomp.c/loop-8.c: New test. * testsuite/libgomp.c/loop-9.c: New test. * testsuite/libgomp.c/nested-3.c: New test. * testsuite/libgomp.c/nestedfn-6.c: New test. * testsuite/libgomp.c/sort-1.c: New test. * testsuite/libgomp.c/task-1.c: New test. * testsuite/libgomp.c/task-2.c: New test. * testsuite/libgomp.c/task-3.c: New test. * testsuite/libgomp.c/task-4.c: New test. * testsuite/libgomp.c++/c++.exp: Add libstdc++-v3 build includes to C++ testsuite default compiler options. * testsuite/libgomp.c++/collapse-1.C: New test. * testsuite/libgomp.c++/collapse-2.C: New test. * testsuite/libgomp.c++/ctor-10.C: New test. * testsuite/libgomp.c++/for-1.C: New test. * testsuite/libgomp.c++/for-2.C: New test. * testsuite/libgomp.c++/for-3.C: New test. * testsuite/libgomp.c++/for-4.C: New test. * testsuite/libgomp.c++/for-5.C: New test. * testsuite/libgomp.c++/loop-8.C: New test. * testsuite/libgomp.c++/loop-9.C: New test. * testsuite/libgomp.c++/loop-10.C: New test. * testsuite/libgomp.c++/task-1.C: New test. * testsuite/libgomp.c++/task-2.C: New test. * testsuite/libgomp.c++/task-3.C: New test. * testsuite/libgomp.c++/task-4.C: New test. * testsuite/libgomp.c++/task-5.C: New test. * testsuite/libgomp.c++/task-6.C: New test. * testsuite/libgomp.fortran/allocatable1.f90: New test. * testsuite/libgomp.fortran/allocatable2.f90: New test. * testsuite/libgomp.fortran/allocatable3.f90: New test. * testsuite/libgomp.fortran/allocatable4.f90: New test. * testsuite/libgomp.fortran/collapse1.f90: New test. * testsuite/libgomp.fortran/collapse2.f90: New test. * testsuite/libgomp.fortran/collapse3.f90: New test. * testsuite/libgomp.fortran/collapse4.f90: New test. * testsuite/libgomp.fortran/lastprivate1.f90: New test. * testsuite/libgomp.fortran/lastprivate2.f90: New test. * testsuite/libgomp.fortran/lib4.f90: New test. * testsuite/libgomp.fortran/lock-1.f90: New test. * testsuite/libgomp.fortran/lock-2.f90: New test. * testsuite/libgomp.fortran/nested1.f90: New test. * testsuite/libgomp.fortran/nestedfn4.f90: New test. * testsuite/libgomp.fortran/strassen.f90: New test. * testsuite/libgomp.fortran/tabs1.f90: New test. * testsuite/libgomp.fortran/tabs2.f: New test. * testsuite/libgomp.fortran/task1.f90: New test. * testsuite/libgomp.fortran/task2.f90: New test. * testsuite/libgomp.fortran/vla4.f90: Add dg-warning. * testsuite/libgomp.fortran/vla5.f90: Likewise. * testsuite/libgomp.c/pr26943-2.c: Likewise. * testsuite/libgomp.c/pr26943-3.c: Likewise. * testsuite/libgomp.c/pr26943-4.c: Likewise. Co-Authored-By: Jakob Blomer <jakob.blomer@ira.uka.de> Co-Authored-By: Richard Henderson <rth@redhat.com> Co-Authored-By: Ulrich Drepper <drepper@redhat.com> From-SVN: r136433
2008-06-06 15:01:54 +02:00
if (icv->dyn_var)
[multiple changes] 2006-01-18 Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * libgomp: New directory. * Makefile.def: Add target_module libgomp. * Makefile.in: Regenerate. * configure.in (target_libraries): Add target-libgomp. * configure: Regenerate. contrib/ 2006-01-18 Richard Henderson <rth@redhat.com> Diego Novillo <dnovillo@redhat.com> * gcc_update (files_and_dependencies): Add libgomp files. gcc/ 2006-01-18 Richard Henderson <rth@redhat.com> Aldy Hernandez <aldyh@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * omp-low.c: New file. * c-omp.c: New file. 2006-01-18 Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * doc/invoke.texi: Document -fopenmp. * tree-dump.h (debug_function): Declare. * hooks.c (hook_bool_tree_bool_false): New function. (hook_tree_tree_null): Remove. (hook_tree_tree_tree_null): New. * hooks.h: Update to match. * tree-pretty-print.c (debug_tree_chain): New. (print_generic_expr): Handle TDF_CHAIN. (dump_generic_node): Handle BLOCK. Do not abort with incomplete SWITCH_EXPRs. Do not dump body of an OpenMP directive if TDF_SLIM is given. <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't print space after directive name. <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY. Handle OMP_MASTER and OMP_ORDERED. Handle printing of OMP_BODY just in one place, goto dump_omp_body in the rest of OMP_* nodes that have OMP_BODY. Don't handle clause nodes here. Update omp statements to use dump_omp_clauses. Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION, OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC, OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF, GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED, GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE, GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE. Adjust output for GOMP_PARALLEL. (dump_omp_clauses): New. (print_declaration): Dump DECL_VALUE_EXPR. (op_symbol_1): Split out of op_symbol. (dumping_stmts): Remove. Update all users. * cgraph.c (cgraph_analyze_queue): New. (cgraph_add_new_function): New. * cgraph.h (cgraph_analyze_queue): Declare. (cgraph_add_new_function): Declare. (cgraph_lower_function): Remove. * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_* nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS and TYPE_P nodes in its default clause. (empty_body_p): New. (tree_range_check_failed): New. (build5_stat): New. * tree.h (OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE, OMP_CLAUSE_REDUCTION_PLACEHOLDER, OMP_CLAUSE_PRIVATE_DEBUG, OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY, OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY, OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND, OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL, OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR, OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT, OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT, OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC, OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST, OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY, OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY, OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New. (TREE_RANGE_CHECK): New. (empty_body_p): Declare. (enum omp_clause_default_kind): New. (build_string_literal): Declare. (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New. (build5_stat, build5): Declare. * tree-pass.h (TDF_CHAIN): Define. * tree-pass.h (PROP_gimple_lomp): Define. (pass_lower_omp): Declare. * diagnostic.h (debug_tree_chain): Declare. * builtins.c (get_builtin_sync_mode): Use 0 as last argument to mode_for_size. (expand_builtin): Handle sync BUILT_IN_*_16 builtins. * builtins.c (build_string_literal): Make extern. * gcc.c (include_spec_function): New. (static_spec_functions): Add it. (main): Move load of libgomp.spec ... (LINK_COMMAND_SPEC): ... here. (link_gomp_spec): New. (static_specs): Include it. (LINK_COMMAND_SPEC): Add link_gomp. (GOMP_SELF_SPECS): New. (driver_self_specs): Include it. (switch_matches): Don't mark inline. (main): Load libgomp.spec. * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION, and OMP_SINGLE, OMP_FOR and OMP_PARALLEL. * tree-gimple.h (enum omp_parallel): Declare. (determine_parallel_type): Declare. (omp_firstprivatize_variable): Declare. (omp_reduction_init): Declare. (diagnose_omp_structured_block_errors): Declare. (struct walk_stmt_info): Add want_return_expr. (struct walk_stmt_info): Add want_bind_expr, want_locations. (find_omp_clause): Declare. (insert_field_into_struct): Declare. (struct walk_stmt_info): Move from tree-nested.c (walk_stmts): Declare. * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP to 200505. * cgraphunit.c (cgraph_lower_function): Make static. (cgraph_finalize_pending_functions): New. (cgraph_finalize_function): Call it. (cgraph_finalize_compilation_unit): Likewise. * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16, BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add. (BT_FN_UINT_UINT): New. (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7, DEF_FUNCTION_TYPE_VAR_4): Document. (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT, BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR, BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT, BT_FN_VOID_OMPFN_PTR_UINT_UINT, BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR, BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New. * builtins.def: Update DEF_BUILTIN comment to include COND argument. Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins into separate files. (DEF_GOMP_BUILTIN): New. (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER, BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END, BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END, BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START, BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START, BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START, BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START, BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START, BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT, 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_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT, BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END, BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END, BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT, BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END, BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START, BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New. * sync-builtins.def: New file, moved from builtins.def. * omp-builtins.def: New file, moved from builtins.def. * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine. * gimple-low.c (lower_function_body): Clear data. (lower_stmt): Do not handle COMPOUND_EXPR. Remove call to print_node_brief. * c-tree.h (c_finish_omp_clauses): New prototype. (C_DECL_THREADPRIVATE_P): Define. (lookup_name_no_remap, c_omp_remap_private): Remove (c_begin_omp_parallel, c_finish_omp_parallel): Update. (check_for_loop_decls): Update decl. (lookup_name_no_remap, c_omp_remap_private): Declare. (build_indirect_ref, build_modify_expr, pushdecl, pushdecl_top_level): Move to c-common.h. * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp before the switch, but just in the 2 places that need it. * c-decl.c (diagnose_mismatched_decls): Do not check for mismatched thread-local attributes when OLDDECL is marked threadprivate and NEWDECL has no thread-local attributes. (merge_decls): Merge C_DECL_THREADPRIVATE_P. (c_gimple_diagnostics_recursively): Rename from c_warn_unused_result_recursively. Invoke diagnose_omp_structured_block_errors. (check_for_loop_decls): Return a singular decl found. * langhooks.c (lhd_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls. (lhd_omp_firstprivatize_type_sizes): New. (lhd_omp_assignment): New. (lhd_omp_predetermined_sharing): New. * langhooks.h (struct gimplify_omp_ctx): Forward declare. (struct lang_hooks_for_types): Add omp_firstprivatize_type_sizes, omp_privatize_by_reference, omp_predetermined_sharing, omp_disregard_value_expr, omp_private_debug_clause, omp_clause_default_ctor, omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor. (c_finish_omp_clauses): New. (c_finish_bc_stmt): Diagnose break within omp for. (c_begin_omp_parallel, c_finish_omp_parallel): New. (build_unary_op): Return error_mark after reporting a readonly_error. (build_modify_expr): Likewise. * gimplify.c: Include optabs.h and pointer-set.h. (enum gimplify_omp_var_data): Declare. (struct gimplify_omp_ctx): Declare. (struct gimplify_ctx): Add fields prev_context, combined_pre_p and combined_ctxp. (gimplify_ctxp, gimplify_omp_ctxp): New local variables. (push_gimplify_context, pop_gimplify_context): Allow nesting. (splay_tree_compare_decl_uid): New. (new_omp_context): New. (delete_omp_context): New. (gimple_add_tmp_var): Call omp_add_variable. (gimplify_bind_expr): Likewise. (gimplify_var_or_parm_decl): If omp_notice_variable returned true, disregard DECL_VALUE_EXPR on the decl if any. (gimplify_expr_in_ctx): New. (omp_firstprivatize_variable, omp_firstprivatize_type_sizes omp_add_variable, omp_notice_variable, omp_is_private gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1 gimplify_adjust_omp_clauses, gimplify_omp_parallel gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p gimplify_omp_atomic_fetch_op, goa_stabilize_expr gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex gimplify_omp_atomic): New. (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS, OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL and OMP_ATOMIC. (gimplify_body): Verify gimplify_ctxp is empty after gimplification. * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER, PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR, PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED, PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR, PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION, PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE, PRAGMA_OMP_THREADPRIVATE. * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS, OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define. * print-tree.c (print_node): Dump DECL_VALUE_EXPR. * tree-ssa-dce.c (find_control_dependence): Do not assume that ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR). * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for OpenMP directives. (struct nesting_info): Add field_map, suppress_expansion, debug_var_chain. (create_nesting_tree): Initialize them. (lookup_field_for_decl): Use field_map. (get_nonlocal_debug_decl, get_local_debug_decl): New. (convert_local_omp_clauses): New. (finalize_nesting_tree_1): Add debug_var_chain to toplevel block. (walk_body): Split out of walk_function. (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New. (convert_nonlocal_reference): Handle omp statements. (convert_local_reference): Likewise. (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1. (unnest_nesting_tree): New. (lower_nested_functions): Call it. (insert_field_into_struct): Make extern. (struct walk_stmt_info): Move to tree-gimple.h. (walk_stmts): Make extern. * omp-builtins.def: New file. * tree-iterator.c (expr_only): Clarify comment. * c-common.h (pushdecl_top_level, pushdecl, build_modify_expr, build_indirect_ref, c_finish_omp_master, c_finish_omp_critical, c_finish_omp_ordered, c_finish_omp_barrier, c_finish_omp_atomic, c_finish_omp_flush, c_finish_omp_for, c_split_parallel_clauses, omp_clause_default_kind, c_omp_sharing_predetermined, c_omp_remap_decl): Declare. * Makefile.in (BUILTINS_DEF): Add omp-builtins.def. (OBJS-common): Add omp-low.o. (c-omp.o, omp-low.o): Add. (gimplify.o): Add dependency on $(OPTABS_H). (GTFILES): Add omp-low.c. (gt-stringpool.h): Add. * tree-cfg.c (set_bb_for_stmt): Do not update the block-to-labels map if we are currently expanding to RTL. (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P checks. Handle IDENTIFIER_NODE. (tree_verify_flow_info): Do not ICE when emitting error messages about invalid labels. (dump_function_to_file): Reset CFUN before emitting the body of the function. (debug_function): New. * passes.c (init_optimization_passes): Schedule pass_lower_omp. * langhooks-def.h (lhd_omp_predetermined_sharing, lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes): Declare. (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define. (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it. (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE, LANG_HOOKS_OMP_PREDETERMINED_SHARING, LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR, LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE, LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR, LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, LANG_HOOKS_OMP_CLAUSE_DTOR): Define. (LANG_HOOK_DECLS): Use them. 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com> Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * c-parser.c (pragma_omp_clause): Define. (c_parser_declaration_or_fndef): Document OpenMP syntax. (c_parser_compound_statement): Likewise. (c_parser_statement): Likewise. (c_parser_pragma): Handle omp pragmas. (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK, OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define. (c_parser_omp_clause_name, check_no_duplicate_clause, c_parser_omp_variable_list, c_parser_omp_var_list_parens, c_parser_omp_clause_copyin, c_parser_omp_clause_copyprivate, c_parser_omp_clause_default, c_parser_omp_clause_firstprivate, c_parser_omp_clause_if, c_parser_omp_clause_lastprivate, c_parser_omp_clause_nowait, c_parser_omp_clause_num_threads, c_parser_omp_clause_ordered, c_parser_omp_clause_private, c_parser_omp_clause_reduction, c_parser_omp_clause_schedule, c_parser_omp_clause_shared, c_parser_omp_all_clauses, c_parser_omp_structured_block, c_parser_omp_atomic, c_parser_omp_barrier, c_parser_omp_critical, c_parser_omp_flush, c_parser_omp_for_loop, c_parser_omp_for, c_parser_omp_master, c_parser_omp_ordered, c_parser_omp_sections_scope, c_parser_omp_sections, c_parser_omp_parallel, c_parser_omp_single, c_parser_omp_construct, c_parser_omp_threadprivate): New. * c-pragma.c (init_pragma): Do omp pragma registration here. * c.opt (fopenmp): New flag. 2006-01-18 Eric Christopher <echristo@apple.com> * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif. * config/darwin.h (GOMP_SELF_SPECS): Define. testsuite/ 2006-01-18 Richard Henderson <rth@redhat.com> Aldy Hernandez <aldyh@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> Uros Bizjak <uros@kss-loka.si> * testsuite/gcc.dg/gomp: New directory. From-SVN: r109902
2006-01-18 20:21:25 +01:00
{
unsigned dyn = gomp_dynamic_max_threads ();
c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805. * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805. * langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause. Add omp_private_outer_ref hook, add another argument to omp_clause_default_ctor hook. * langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define. (LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define. (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to hook_tree_tree_tree_tree_null. (LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and LANG_HOOKS_OMP_PRIVATE_OUTER_REF. * hooks.c (hook_tree_tree_tree_tree_null): New function. * hooks.h (hook_tree_tree_tree_tree_null): New prototype. * tree.def (OMP_TASK): New tree code. * tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN, OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT, OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES, OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY, OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG, OMP_CLAUSE_COLLAPSE_EXPR): Define. (enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. (OMP_DIRECTIVE_P): Add OMP_TASK. (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes. (OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind. * tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED entries. (omp_clause_num_ops): Likewise. Increase OMP_CLAUSE_LASTPRIVATE num_ops to 2. (walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Walk OMP_CLAUSE_LASTPRIVATE_STMT. * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. (dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops. * c-omp.c (c_finish_omp_for): Allow pointer iterators. Remove warning about unsigned iterators. Change decl/init/cond/incr arguments to TREE_VECs, check arguments for all collapsed loops. (c_finish_omp_taskwait): New function. (c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to ws_clauses. * c-parser.c (c_parser_omp_for_loop): Parse collapsed loops. Call default_function_array_conversion on init. Add par_clauses argument. If decl is present in parallel's lastprivate clause, change it to shared and add lastprivate clause for decl to OMP_FOR_CLAUSES. Add clauses argument, on success set OMP_FOR_CLAUSES to it. Look up collapse count in clauses. (c_parser_omp_for, c_parser_omp_parallel): Adjust c_parser_omp_for_loop callers. (OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE. (c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT. (c_parser_omp_clause_name): Handle collapse and untied clauses. (c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New functions. (c_parser_omp_clause_schedule): Handle schedule(auto). Include correct location in the error message. (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE and PRAGMA_OMP_CLAUSE_UNTIED. (OMP_TASK_CLAUSE_MASK): Define. (c_parser_omp_task, c_parser_omp_taskwait): New functions. (c_parser_omp_construct): Handle PRAGMA_OMP_TASK. * tree-nested.c (convert_nonlocal_omp_clauses, convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE, OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in OMP_CLAUSE_DECL. (conver_nonlocal_reference, convert_local_reference, convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL. Use OMP_TASKREG_* macros rather than OMP_PARALLEL_*. (walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes. * tree-gimple.c (is_gimple_stmt): Handle OMP_TASK. * c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes. * c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New. (PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New. * c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions. (c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. * c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas. * c-common.h (c_finish_omp_taskwait): New prototype. * gimple-low.c (lower_stmt): Handle OMP_TASK. * tree-parloops.c (create_parallel_loop): Create 1 entry vectors for OMP_FOR_{INIT,COND,INCR}. * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers. (make_edges): Handle OMP_TASK. * tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. * tree-inline.c (estimate_num_insns_1): Handle OMP_TASK. * builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR, BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New. * omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT, BUILT_IN_GOMP_LOOP_ULL_STATIC_START, BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ULL_GUIDED_START, BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins. * gimplify.c (gimplify_omp_for): Allow pointer type for decl, handle POINTER_PLUS_EXPR. If loop counter has been replaced and original iterator is present in lastprivate clause or if collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT. Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. (gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK. (enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF. (omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed, if it is set, lookup var in outer contexts too. Handle OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. Handle vars that are supposed to be implicitly determined firstprivate for task regions. (gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed, if it is set, lookup var in outer contexts too. Set OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set. Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Take region_type as last argument instead of in_parallel and in_combined_parallel. (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare): Adjust callers. (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set. Call omp_finish_clause langhook. (new_omp_context): Set default_kind to OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions. (omp_region_type): New enum. (struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel fields, add region_type. (new_omp_context): Take region_type as argument instead of is_parallel and is_combined_parallel. (gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable, omp_is_private, omp_check_private): Adjust ctx->is_parallel and ctx->is_combined_parallel checks. (gimplify_omp_task): New function. (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. * omp-low.c (extract_omp_for_data): Use schedule(static) for schedule(auto). Handle pointer and unsigned iterators. Compute fd->iter_type. Handle POINTER_PLUS_EXPR increments. Add loops argument. Extract data for collapsed OMP_FOR loops. (expand_parallel_call): Assert sched_kind isn't auto, map runtime schedule to index 3. (struct omp_for_data_loop): New type. (struct omp_for_data): Remove v, n1, n2, step, cond_code fields. Add loop, loops, collapse and iter_type fields. (workshare_safe_to_combine_p): Disallow combined for if iter_type is unsigned long long. Don't combine collapse > 1 loops unless all bounds and steps are constant. Adjust extract_omp_for_data caller. (expand_omp_for_generic): Handle pointer, unsigned and long long iterators. Handle collapsed OMP_FOR loops. Adjust for struct omp_for_data changes. If libgomp function doesn't return boolean_type_node, add comparison of the return value with 0. (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle pointer, unsigned and long long iterators. Adjust for struct omp_for_data changes. (expand_omp_for): Assert sched_kind isn't auto, map runtime schedule to index 3. Use GOMP_loop_ull*{start,next} if iter_type is unsigned long long. Allocate loops array, pass it to extract_omp_for_data. For collapse > 1 loops use always expand_omp_for_generic. (omp_context): Add sfield_map and srecord_type fields. (is_task_ctx, lookup_sfield): New functions. (use_pointer_for_field): Use is_task_ctx helper. Change first argument's type from const_tree to tree. Clarify comment. In OMP_TASK disallow copy-in/out sharing. (build_sender_ref): Call lookup_sfield instead of lookup_field. (install_var_field): Add mask argument. Populate both record_type and srecord_type if needed. (delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN in srecord_type. (fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT} and DECL_FIELD_OFFSET. (scan_sharing_clauses): Adjust install_var_field callers. For firstprivate clauses on explicit tasks allocate the var by value in record_type unconditionally, rather than by reference. Handle OMP_CLAUSE_PRIVATE_OUTER_REF. Scan OMP_CLAUSE_LASTPRIVATE_STMT. Use is_taskreg_ctx instead of is_parallel_ctx. Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. (create_omp_child_function_name): Add task_copy argument, use *_omp_cpyfn* names if it is true. (create_omp_child_function): Add task_copy argument, if true create *_omp_cpyfn* helper function. (scan_omp_parallel): Adjust create_omp_child_function callers. Rename parallel_nesting_level to taskreg_nesting_level. (scan_omp_task): New function. (lower_rec_input_clauses): Don't run constructors for firstprivate explicit task vars which are initialized by *_omp_cpyfn*. Pass outer var ref to omp_clause_default_ctor hook if OMP_CLAUSE_PRIVATE_OUTER_REF or OMP_CLAUSE_LASTPRIVATE. Replace OMP_CLAUSE_REDUCTION_PLACEHOLDER decls in OMP_CLAUSE_REDUCTION_INIT. (lower_send_clauses): Clear DECL_ABSTRACT_ORIGIN if in task to avoid duplicate setting of fields. Handle OMP_CLAUSE_PRIVATE_OUTER_REF. (lower_send_shared_vars): Use srecord_type if non-NULL. Don't copy-out if TREE_READONLY, only copy-in. (expand_task_copyfn): New function. (expand_task_call): New function. (struct omp_taskcopy_context): New type. (task_copyfn_copy_decl, task_copyfn_remap_type, create_task_copyfn): New functions. (lower_omp_parallel): Rename to... (lower_omp_taskreg): ... this. Use OMP_TASKREG_* macros where needed. Call create_task_copyfn if srecord_type is needed. Adjust sender_decl type. (task_shared_vars): New variable. (check_omp_nesting_restrictions): Warn if work-sharing, barrier, master or ordered region is closely nested inside OMP_TASK. Add warnings for barrier if closely nested inside of work-sharing, ordered, or master region. (scan_omp_1): Call check_omp_nesting_restrictions even for GOMP_barrier calls. Rename parallel_nesting_level to taskreg_nesting_level. Handle OMP_TASK. (lower_lastprivate_clauses): Even if some lastprivate is found on a work-sharing construct, continue looking for them on parent parallel construct. (lower_omp_for_lastprivate): Add lastprivate clauses to the beginning of dlist rather than end. Adjust for struct omp_for_data changes. (lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY, not after it. Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller. (get_ws_args_for): Adjust extract_omp_for_data caller. (scan_omp_for): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. (lower_omp_single_simple): If libgomp function doesn't return boolean_type_node, add comparison of the return value with 0. (diagnose_sb_1, diagnose_sb_2): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. Handle OMP_TASK. (parallel_nesting_level): Rename to... (taskreg_nesting_level): ... this. (is_taskreg_ctx): New function. (build_outer_var_ref, omp_copy_decl): Use is_taskreg_ctx instead of is_parallel_ctx. (execute_lower_omp): Rename parallel_nesting_level to taskreg_nesting_level. (expand_omp_parallel): Rename to... (expand_omp_taskreg): ... this. Use OMP_TASKREG_* macros where needed. Call omp_task_call for OMP_TASK regions. (expand_omp): Adjust caller, handle OMP_TASK. (lower_omp_1): Adjust lower_omp_taskreg caller, handle OMP_TASK. * bitmap.c (bitmap_default_obstack_depth): New variable. (bitmap_obstack_initialize, bitmap_obstack_release): Do nothing if argument is NULL and bitmap_default_obstack is already initialized. * ipa-struct-reorg.c (do_reorg_1): Call bitmap_obstack_release at the end. * matrix-reorg.c (matrix_reorg): Likewise. cp/ * cp-tree.h (cxx_omp_finish_clause, cxx_omp_create_clause_info, dependent_omp_for_p, begin_omp_task, finish_omp_task, finish_omp_taskwait): New prototypes. (cxx_omp_clause_default_ctor): Add outer argument. (finish_omp_for): Add new clauses argument. * cp-gimplify.c (cxx_omp_finish_clause): New function. (cxx_omp_predetermined_sharing): Moved from semantics.c, rewritten. (cxx_omp_clause_default_ctor): Add outer argument. (cp_genericize_r): Walk OMP_CLAUSE_LASTPRIVATE_STMT. * cp-objcp-common.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define. * parser.c (cp_parser_omp_for_loop): Parse collapsed for loops. Add par_clauses argument. If decl is present in parallel's lastprivate clause, change that clause to shared and add a lastprivate clause for decl to OMP_FOR_CLAUSES. Fix wording of error messages. Adjust finish_omp_for caller. Add clauses argument. Parse loops with random access iterators. (cp_parser_omp_clause_collapse, cp_parser_omp_clause_untied): New functions. (cp_parser_omp_for, cp_parser_omp_parallel): Adjust cp_parser_omp_for_loop callers. (cp_parser_omp_for_cond, cp_parser_omp_for_incr): New helper functions. (cp_parser_omp_clause_name): Handle collapse and untied clauses. (cp_parser_omp_clause_schedule): Handle auto schedule. (cp_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE and PRAGMA_OMP_CLAUSE_UNTIED. (OMP_FOR_CLAUSE_MASK): Add PRAGMA_OMP_CLAUSE_COLLAPSE. (OMP_TASK_CLAUSE_MASK): Define. (cp_parser_omp_task, cp_parser_omp_taskwait): New functions. (cp_parser_omp_construct): Handle PRAGMA_OMP_TASK. (cp_parser_pragma): Handle PRAGMA_OMP_TASK and PRAGMA_OMP_TASKWAIT. * pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Handle OMP_CLAUSE_LASTPRIVATE_STMT. (tsubst_omp_for_iterator): New function. (dependent_omp_for_p): New function. (tsubst_expr) <case OMP_FOR>: Use it. Handle collapsed OMP_FOR loops. Adjust finish_omp_for caller. Handle loops with random access iterators. Adjust for OMP_FOR_{INIT,COND,INCR} changes. (tsubst_expr): Handle OMP_TASK. * semantics.c (cxx_omp_create_clause_info): New function. (finish_omp_clauses): Call it. Handle OMP_CLAUSE_UNTIED and OMP_CLAUSE_COLLAPSE. (cxx_omp_predetermined_sharing): Removed. * semantics.c (finish_omp_for): Allow pointer iterators. Use handle_omp_for_class_iterator and dependent_omp_for_p. Handle collapsed for loops. Adjust c_finish_omp_for caller. Add new clauses argument. Fix check for type dependent cond or incr. Set OMP_FOR_CLAUSES to clauses. Use cp_convert instead of fold_convert to convert incr amount to difference_type. Only fold if not in template. If decl is mentioned in lastprivate clause, set OMP_CLAUSE_LASTPRIVATE_STMT. Handle loops with random access iterators. Adjust for OMP_FOR_{INIT,COND,INCR} changes. (finish_omp_threadprivate): Allow static class members of the current class. (handle_omp_for_class_iterator, begin_omp_task, finish_omp_task, finish_omp_taskwait): New functions. * parser.c (cp_parser_binary_expression): Add prec argument. (cp_parser_assignment_expression): Adjust caller. * cp-tree.h (outer_curly_brace_block): New prototype. * decl.c (outer_curly_brace_block): No longer static. fortran/ * scanner.c (skip_free_comments, skip_fixed_comments): Handle tabs. * parse.c (next_free): Allow tab after !$omp. (decode_omp_directive): Handle !$omp task, !$omp taskwait and !$omp end task. (case_executable): Add ST_OMP_TASKWAIT. (case_exec_markers): Add ST_OMP_TASK. (gfc_ascii_statement): Handle ST_OMP_TASK, ST_OMP_END_TASK and ST_OMP_TASKWAIT. (parse_omp_structured_block, parse_executable): Handle ST_OMP_TASK. * gfortran.h (gfc_find_sym_in_expr): New prototype. (gfc_statement): Add ST_OMP_TASK, ST_OMP_END_TASK and ST_OMP_TASKWAIT. (gfc_omp_clauses): Add OMP_SCHED_AUTO to sched_kind, OMP_DEFAULT_FIRSTPRIVATE to default_sharing. Add collapse and untied fields. (gfc_exec_op): Add EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * f95-lang.c (LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, LANG_HOOKS_OMP_CLAUSE_DTOR, LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define. * trans.h (gfc_omp_clause_default_ctor): Add another argument. (gfc_omp_clause_copy_ctor, gfc_omp_clause_assign_op, gfc_omp_clause_dtor, gfc_omp_private_outer_ref): New prototypes. * types.def (BT_ULONGLONG, BT_PTR_ULONGLONG, BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_VOID_PTR_PTR, BT_PTR_FN_VOID_PTR_PTR, BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New. (BT_BOOL): Use integer type with BOOL_TYPE_SIZE rather than boolean_type_node. * dump-parse-tree.c (gfc_show_omp_node): Handle EXEC_OMP_TASK, EXEC_OMP_TASKWAIT, OMP_SCHED_AUTO, OMP_DEFAULT_FIRSTPRIVATE, untied and collapse clauses. (gfc_show_code_node): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * trans.c (gfc_trans_code): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * st.c (gfc_free_statement): Likewise. * resolve.c (gfc_resolve_blocks, resolve_code): Likewise. (find_sym_in_expr): Rename to... (gfc_find_sym_in_expr): ... this. No longer static. (resolve_allocate_expr, resolve_ordinary_assign): Adjust caller. * match.h (gfc_match_omp_task, gfc_match_omp_taskwait): New prototypes. * openmp.c (resolve_omp_clauses): Allow allocatable arrays in firstprivate, lastprivate, reduction, copyprivate and copyin clauses. (omp_current_do_code): Made static. (omp_current_do_collapse): New variable. (gfc_resolve_omp_do_blocks): Compute omp_current_do_collapse, clear omp_current_do_code and omp_current_do_collapse on return. (gfc_resolve_do_iterator): Handle collapsed do loops. (resolve_omp_do): Likewise, diagnose errorneous collapsed do loops. (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): Define. (gfc_match_omp_clauses): Handle default (firstprivate), schedule (auto), untied and collapse (n) clauses. (OMP_DO_CLAUSES): Add OMP_CLAUSE_COLLAPSE. (OMP_TASK_CLAUSES): Define. (gfc_match_omp_task, gfc_match_omp_taskwait): New functions. * trans-openmp.c (gfc_omp_private_outer_ref): New function. (gfc_omp_clause_default_ctor): Add outer argument. For allocatable arrays allocate them with the bounds of the outer var if outer var is allocated. (gfc_omp_clause_copy_ctor, gfc_omp_clause_assign_op, gfc_omp_clause_dtor): New functions. (gfc_trans_omp_array_reduction): If decl is allocatable array, allocate it with outer var's bounds in OMP_CLAUSE_REDUCTION_INIT and deallocate it in OMP_CLAUSE_REDUCTION_MERGE. (gfc_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED for assumed-size arrays. (gfc_trans_omp_do): Add par_clauses argument. If dovar is present in lastprivate clause and do loop isn't simple, set OMP_CLAUSE_LASTPRIVATE_STMT. If dovar is present in parallel's lastprivate clause, change it to shared and add lastprivate clause to OMP_FOR_CLAUSES. Handle collapsed do loops. (gfc_trans_omp_directive): Adjust gfc_trans_omp_do callers. (gfc_trans_omp_parallel_do): Likewise. Move collapse clause to OMP_FOR from OMP_PARALLEL. (gfc_trans_omp_clauses): Handle OMP_SCHED_AUTO, OMP_DEFAULT_FIRSTPRIVATE, untied and collapse clauses. (gfc_trans_omp_task, gfc_trans_omp_taskwait): New functions. (gfc_trans_omp_directive): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. gcc/testsuite/ * gcc.dg/gomp/collapse-1.c: New test. * gcc.dg/gomp/nesting-1.c: New test. * g++.dg/gomp/task-1.C: New test. * g++.dg/gomp/predetermined-1.C: New test. * g++.dg/gomp/tls-4.C: New test. * gfortran.dg/gomp/collapse1.f90: New test. * gfortran.dg/gomp/sharing-3.f90: New test. * gcc.dg/gomp/pr27499.c (foo): Remove is unsigned dg-warning. * g++.dg/gomp/pr27499.C (foo): Likewise. * g++.dg/gomp/for-16.C (foo): Likewise. * g++.dg/gomp/tls-3.C: Remove dg-error, add S::s definition. * g++.dg/gomp/pr34607.C: Adjust dg-error location. * g++.dg/gomp/for-16.C (foo): Add a new dg-error. * gcc.dg/gomp/appendix-a/a.35.4.c: Add dg-warning. * gcc.dg/gomp/appendix-a/a.35.6.c: Likewise. * gfortran.dg/gomp/appendix-a/a.35.4.f90: Likewise. * gfortran.dg/gomp/appendix-a/a.35.6.f90: Likewise. * gfortran.dg/gomp/omp_parse1.f90: Remove !$omp tab test. * gfortran.dg/gomp/appendix-a/a.33.4.f90: Remove dg-error about allocatable array. * gfortran.dg/gomp/reduction1.f90: Likewise. libgomp/ * configure.ac (LIBGOMP_GNU_SYMBOL_VERSIONING): New AC_DEFINE. Substitute also OMP_*LOCK_25*. * configure: Regenerated. * config.h.in: Regenerated. * Makefile.am (libgomp_la_SOURCES): Add loop_ull.c, iter_ull.c, ptrlock.c and task.c. * Makefile.in: Regenerated. * testsuite/Makefile.in: Regenerated. * task.c: New file. * loop_ull.c: New file. * iter_ull.c: New file. * libgomp.h: Include ptrlock.h. (enum gomp_task_kind): New type. (struct gomp_team): Add task_lock, task_queue, task_count, task_running_count, single_count fields. Add work_share_list_free_lock ifndef HAVE_SYNC_BUILTINS. Remove work_share_lock, generation_mask, oldest_live_gen, num_live_gen and init_work_shares fields, add work work_share_list_alloc, work_share_list_free and work_share_chunk fields. Change work_shares from pointer to pointers into an array. Change ordered_release field into gomp_sem_t ** from flexible array member. Add implicit_task and initial_work_shares fields. Move close to the end of the struct. (struct gomp_team_state): Add single_count, last_work_share, active_level and level fields, remove work_share_generation. (gomp_barrier_handle_tasks): New prototype. (gomp_finish_task): New inline function. (struct gomp_work_share): Move chunk_size, end, incr into transparent union/struct, add chunk_size_ull, end_ll, incr_ll and next_ll fields. Reshuffle fields. Add next_alloc, next_ws, next_free and inline_ordered_team_ids fields, change ordered_team_ids into pointer from flexible array member. Add mode field. Put lock and next into a different cache line from most of the write-once fields. (gomp_iter_ull_static_next, gomp_iter_ull_dynamic_next_locked, gomp_iter_ull_guided_next_locked, gomp_iter_ull_dynamic_next, gomp_iter_ull_guided_next): New prototypes. (gomp_new_icv): New prototype. (struct gomp_thread): Add thread_pool and task fields. (struct gomp_thread_pool): New type. (gomp_new_team): New prototype. (gomp_team_start): Change type of last argument. (gomp_new_work_share): Removed. (gomp_init_work_share, gomp_fini_work_share): New prototypes. (gomp_work_share_init_done): New static inline. (gomp_throttled_spin_count_var, gomp_available_cpus, gomp_managed_threads): New extern decls. (gomp_init_task): New prototype. (gomp_spin_count_var): New extern var decl. (LIBGOMP_GNU_SYMBOL_VERSIONING): Undef if no visibility or no alias support, or if not PIC. (gomp_init_lock_30, gomp_destroy_lock_30, gomp_set_lock_30, gomp_unset_lock_30, gomp_test_lock_30, gomp_init_nest_lock_30, gomp_destroy_nest_lock_30, gomp_set_nest_lock_30, gomp_unset_nest_lock_30, gomp_test_nest_lock_30, gomp_init_lock_25, gomp_destroy_lock_25, gomp_set_lock_25, gomp_unset_lock_25, gomp_test_lock_25, gomp_init_nest_lock_25, gomp_destroy_nest_lock_25, gomp_set_nest_lock_25, gomp_unset_nest_lock_25, gomp_test_nest_lock_25): New prototypes. (omp_lock_symver, strong_alias): Define. (gomp_remaining_threads_count, gomp_remaining_threads_lock): New decls. (gomp_end_task): New. (struct gomp_task_icv, gomp_global_icv): New. (gomp_thread_limit_var, gomp_max_active_levels_var): New. (struct gomp_task): New. (gomp_nthreads_var, gomp_dyn_var, gomp_nest_var, gomp_run_sched_var, gomp_run_sched_chunk): Remove. (gomp_icv): New. (gomp_schedule_type): Reorder enum to match omp_sched_t. * team.c (struct gomp_thread_start_data): Add thread_pool and task fields. (gomp_thread_start): Add gomp_team_barrier_wait call. For non-nested case remove clearing of docked thread thr fields. Use pool fields instead of global gomp_* variables. Use gomp_barrier_wait_last when needed. Initialize ts.active_level. Create tasks for each member thread. (free_team): Only destroy team barrier, task_lock here and free it. (gomp_free_thread): Free last_team if non-NULL. (gomp_team_end): Call gomp_team_barrier_wait instead of gomp_barrier_wait. For nested case call one extra gomp_barrier_wait. Move here some destruction from free_team. Call free_team on pool->last_team if any, rather than freeing current team. Destroy work_share_list_free_lock ifndef HAVE_SYNC_BUILTINS. (gomp_new_icv): New function. (gomp_threads, gomp_threads_size, gomp_threads_used, gomp_threads_dock): Removed. (gomp_thread_destructor): New variable. (gomp_new_thread_pool, gomp_free_pool_helper, gomp_free_thread): New functions. (gomp_team_start): Create new pool if current thread doesn't have one. Use pool fields instead of global gomp_* variables. Initialize thread_pool field for new threads. Clear single_count. Change last argument from ws to team, don't create new team, set ts.work_share to &team->work_shares[0] and clear ts.last_work_share. Don't clear ts.work_share_generation. If number of threads changed, adjust atomically gomp_managed_threads. Use gomp_init_task instead of gomp_new_task, set thr->task to the corresponding implicit_task array entry. Create tasks for each member thread. Initialize ts.level. (initialize_team): Call pthread_key_create on gomp_thread_destructor. (team_destructor): New function. (new_team): Removed. (gomp_new_team): New function. (free_team): Free gomp_work_share blocks chained through next_alloc, instead of freeing work_shares and destroying work_share_lock. (gomp_team_end): Call gomp_fini_work_share. If number of threads changed, adjust atomically gomp_managed_threads. Use gomp_end_task. * barrier.c (GOMP_barrier): Call gomp_team_barrier_wait instead of gomp_barrier_wait. * single.c (GOMP_single_copy_start): Call gomp_team_barrier_wait instead of gomp_barrier_wait. Call gomp_work_share_init_done if gomp_work_share_start returned true. Don't unlock ws->lock. (GOMP_single_copy_end): Call gomp_team_barrier_wait instead of gomp_barrier_wait. (GOMP_single_start): Rewritten if HAVE_SYNC_BUILTINS. Call gomp_work_share_init_done if gomp_work_share_start returned true. Don't unlock ws->lock. * work.c: Include stddef.h. (free_work_share): Use work_share_list_free_lock instead of atomic chaining ifndef HAVE_SYNC_BUILTINS. Add team argument. Call gomp_fini_work_share and then either free ws if orphaned, or put it into work_share_list_free list of the current team. (alloc_work_share, gomp_init_work_share, gomp_fini_work_share): New functions. (gomp_work_share_start, gomp_work_share_end, gomp_work_share_end_nowait): Rewritten. * omp_lib.f90.in Change some tabs to spaces to prevent warnings. (openmp_version): Set to 200805. (omp_sched_kind, omp_sched_static, omp_sched_dynamic, omp_sched_guided, omp_sched_auto): New parameters. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New interfaces. * omp_lib.h.in (openmp_version): Set to 200805. (omp_sched_kind, omp_sched_static, omp_sched_dynamic, omp_sched_guided, omp_sched_auto): New parameters. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New externals. * loop.c: Include limits.h. (GOMP_loop_runtime_next, GOMP_loop_ordered_runtime_next): Handle GFS_AUTO. (GOMP_loop_runtime_start, GOMP_loop_ordered_runtime_start): Likewise. Use gomp_icv. (gomp_loop_static_start, gomp_loop_dynamic_start): Clear ts.static_trip here. (gomp_loop_static_start, gomp_loop_ordered_static_start): Call gomp_work_share_init_done after gomp_loop_init. Don't unlock ws->lock. (gomp_loop_dynamic_start, gomp_loop_guided_start): Call gomp_work_share_init_done after gomp_loop_init. If HAVE_SYNC_BUILTINS, don't unlock ws->lock, otherwise lock it. (gomp_loop_ordered_dynamic_start, gomp_loop_ordered_guided_start): Call gomp_work_share_init_done after gomp_loop_init. Lock ws->lock. (gomp_parallel_loop_start): Call gomp_new_team instead of gomp_new_work_share. Call gomp_loop_init on &team->work_shares[0]. Adjust gomp_team_start caller. Pass 0 as second argument to gomp_resolve_num_threads. (gomp_loop_init): For GFS_DYNAMIC, multiply ws->chunk_size by incr. If adding ws->chunk_size nthreads + 1 times after end won't overflow, set ws->mode to 1. * libgomp_g.h (GOMP_loop_ull_static_start, GOMP_loop_ull_dynamic_start, GOMP_loop_ull_guided_start, GOMP_loop_ull_runtime_start, GOMP_loop_ull_ordered_static_start, GOMP_loop_ull_ordered_dynamic_start, GOMP_loop_ull_ordered_guided_start, GOMP_loop_ull_ordered_runtime_start, GOMP_loop_ull_static_next, GOMP_loop_ull_dynamic_next, GOMP_loop_ull_guided_next, GOMP_loop_ull_runtime_next, GOMP_loop_ull_ordered_static_next, GOMP_loop_ull_ordered_dynamic_next, GOMP_loop_ull_ordered_guided_next, GOMP_loop_ull_ordered_runtime_next, GOMP_task, GOMP_taskwait): New prototypes. * libgomp.map: Export lock routines also @@OMP_2.0. (GOMP_loop_ordered_dynamic_first, GOMP_loop_ordered_guided_first, GOMP_loop_ordered_runtime_first, GOMP_loop_ordered_static_first): Remove. (GOMP_loop_ull_dynamic_next, GOMP_loop_ull_dynamic_start, GOMP_loop_ull_guided_next, GOMP_loop_ull_guided_start, GOMP_loop_ull_ordered_dynamic_next, GOMP_loop_ull_ordered_dynamic_start, GOMP_loop_ull_ordered_guided_next, GOMP_loop_ull_ordered_guided_start, GOMP_loop_ull_ordered_runtime_next, GOMP_loop_ull_ordered_runtime_start, GOMP_loop_ull_ordered_static_next, GOMP_loop_ull_ordered_static_start, GOMP_loop_ull_runtime_next, GOMP_loop_ull_runtime_start, GOMP_loop_ull_static_next, GOMP_loop_ull_static_start, GOMP_task, GOMP_taskwait): Export @@GOMP_2.0. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level, omp_set_schedule_, omp_set_schedule_8_, omp_get_schedule_, omp_get_schedule_8_, omp_get_thread_limit_, omp_set_max_active_levels_, omp_set_max_active_levels_8_, omp_get_max_active_levels_, omp_get_level_, omp_get_ancestor_thread_num_, omp_get_ancestor_thread_num_8_, omp_get_team_size_, omp_get_team_size_8_, omp_get_active_level_): New exports @@OMP_3.0. * omp.h.in (omp_sched_t): New type. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New prototypes. * env.c (gomp_spin_count_var, gomp_throttled_spin_count_var, gomp_available_cpus, gomp_managed_threads, gomp_max_active_levels_var, gomp_thread_limit_var, gomp_remaining_threads_count, gomp_remaining_threads_lock): New variables. (parse_spincount): New function. (initialize_env): Call gomp_init_num_threads unconditionally. Initialize gomp_available_cpus. Call parse_spincount, initialize gomp_{,throttled_}spin_count_var depending on presence and value of OMP_WAIT_POLICY and GOMP_SPINCOUNT env vars. Handle GOMP_BLOCKTIME env var. Handle OMP_WAIT_POLICY, OMP_MAX_ACTIVE_LEVELS, OMP_THREAD_LIMIT, OMP_STACKSIZE env vars. Handle unit specification for GOMP_STACKSIZE. Initialize gomp_remaining_threads_count and gomp_remaining_threads_lock if needed. Use gomp_global_icv. (gomp_nthreads_var, gomp_dyn_var, gomp_nest_var, gomp_run_sched_var, gomp_run_sched_chunk): Remove. (gomp_global_icv): New. (parse_schedule): Use it. Parse "auto". (omp_set_num_threads): Use gomp_icv. (omp_set_dynamic, omp_get_dynamic, omp_set_nested, omp_get_nested): Likewise. (omp_get_max_threads): Move from parallel.c. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels): New functions, add ialias. (parse_stacksize, parse_wait_policy): New functions. * fortran.c: Rewrite lock wrappers, if symbol versioning provide both wrappers for compatibility and new locks. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New ialias_redirect. (omp_set_schedule_, omp_set_schedule_8_, omp_get_schedule_, omp_get_schedule_8_, omp_get_thread_limit_, omp_set_max_active_levels_, omp_set_max_active_levels_8_, omp_get_max_active_levels_, omp_get_level_, omp_get_ancestor_thread_num_, omp_get_ancestor_thread_num_8_, omp_get_team_size_, omp_get_team_size_8_, omp_get_active_level_): New functions. * parallel.c: Include limits.h. (gomp_resolve_num_threads): Add count argument. Rewritten. (GOMP_parallel_start): Call gomp_new_team and pass that as last argument to gomp_team_start. Pass 0 as second argument to gomp_resolve_num_threads. (GOMP_parallel_end): Decrease gomp_remaining_threads_count if gomp_thread_limit_var != ULONG_MAX. (omp_in_parallel): Implement using ts.active_level. (omp_get_max_threads): Move to env.c. (omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New functions, add ialias. * sections.c (GOMP_sections_start): Call gomp_work_share_init_done after gomp_sections_init. If HAVE_SYNC_BUILTINS, call gomp_iter_dynamic_next instead of the _locked variant and don't take lock around it, otherwise acquire it before calling gomp_iter_dynamic_next_locked. (GOMP_sections_next): If HAVE_SYNC_BUILTINS, call gomp_iter_dynamic_next instead of the _locked variant and don't take lock around it. (GOMP_parallel_sections_start): Call gomp_new_team instead of gomp_new_work_share. Call gomp_sections_init on &team->work_shares[0]. Adjust gomp_team_start caller. Pass count as second argument to gomp_resolve_num_threads, don't adjust num_threads after the call. Use gomp_icv. * iter.c (gomp_iter_dynamic_next_locked): Don't multiply ws->chunk_size by incr. (gomp_iter_dynamic_next): Likewise. If ws->mode, use more efficient code. * libgomp_f.h.in (omp_lock_25_arg_t, omp_nest_lock_25_arg_t): New types. (omp_lock_25_arg, omp_nest_lock_25_arg): New macros. (omp_check_defines): Check even the compat defines. * config/linux/ptrlock.c: New file. * config/linux/ptrlock.h: New file. * config/linux/wait.h: New file. * config/posix/ptrlock.c: New file. * config/posix/ptrlock.h: New file. * config/linux/bar.h (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New prototypes. (gomp_team_barrier_set_task_pending, gomp_team_barrier_clear_task_pending, gomp_team_barrier_set_waiting_for_tasks, gomp_team_barrier_waiting_for_tasks, gomp_team_barrier_done): New inlines. (gomp_barrier_t): Rewritten. (gomp_barrier_state_t): New typedef. (gomp_barrier_init, gomp_barrier_reinit, gomp_barrier_destroy, gomp_barrier_wait_start): Rewritten. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_barrier_last_thread, gomp_barrier_wait_last): New static inlines. * config/linux/bar.c: Include wait.h instead of libgomp.h and futex.h. (gomp_barrier_wait_end): Rewritten. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake, gomp_barrier_wait_last): New functions. * config/posix/bar.h (gomp_barrier_t): Add generation field. (gomp_barrier_state_t): New typedef. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New prototypes. (gomp_barrier_wait_start): Or all but low 2 bits from generation into the return value. Return gomp_barrier_state_t. (gomp_team_barrier_set_task_pending, gomp_team_barrier_clear_task_pending, gomp_team_barrier_set_waiting_for_tasks, gomp_team_barrier_waiting_for_tasks, gomp_team_barrier_done): New inlines. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_barrier_last_thread, gomp_barrier_wait_last): New static inlines. * config/posix/bar.c (gomp_barrier_init): Clear generation field. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New functions. * config/linux/mutex.c: Include wait.h instead of libgomp.h and futex.h. (gomp_futex_wake, gomp_futex_wait): New variables. (gomp_mutex_lock_slow): Call do_wait instead of futex_wait. * config/linux/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. Include wait.h instead of libgomp.h and futex.h. (gomp_set_nest_lock_25): Call do_wait instead of futex_wait. * config/posix95/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. * config/posix/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. * config/linux/proc.c (gomp_init_num_threads): Use gomp_global_icv. (get_num_procs, gomp_dynamic_max_threads): Use gomp_icv. * config/posix/proc.c, config/mingw32/proc.c: Similarly. * config/linux/powerpc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/alpha/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/x86/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/s390/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/ia64/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/sparc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/sem.c: Include wait.h instead of libgomp.h and futex.h. (gomp_sem_wait_slow): Call do_wait instead of futex_wait. * config/linux/affinity.c: Assume HAVE_SYNC_BUILTINS. * config/linux/omp-lock.h (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_nest_lock_t): Change owner into void *, add lock field. * config/posix95/omp-lock.h: Include semaphore.h. (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_lock_t): Use sem_t instead of mutex if semaphores aren't broken. (omp_nest_lock_t): Likewise. Change owner to void *. * config/posix/omp-lock.h: Include semaphore.h. (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_lock_t): Use sem_t instead of mutex if semaphores aren't broken. (omp_nest_lock_t): Likewise. Add owner field. * testsuite/libgomp.c/collapse-1.c: New test. * testsuite/libgomp.c/collapse-2.c: New test. * testsuite/libgomp.c/collapse-3.c: New test. * testsuite/libgomp.c/icv-1.c: New test. * testsuite/libgomp.c/icv-2.c: New test. * testsuite/libgomp.c/lib-2.c: New test. * testsuite/libgomp.c/lock-1.c: New test. * testsuite/libgomp.c/lock-2.c: New test. * testsuite/libgomp.c/lock-3.c: New test. * testsuite/libgomp.c/loop-4.c: New test. * testsuite/libgomp.c/loop-5.c: New test. * testsuite/libgomp.c/loop-6.c: New test. * testsuite/libgomp.c/loop-7.c: New test. * testsuite/libgomp.c/loop-8.c: New test. * testsuite/libgomp.c/loop-9.c: New test. * testsuite/libgomp.c/nested-3.c: New test. * testsuite/libgomp.c/nestedfn-6.c: New test. * testsuite/libgomp.c/sort-1.c: New test. * testsuite/libgomp.c/task-1.c: New test. * testsuite/libgomp.c/task-2.c: New test. * testsuite/libgomp.c/task-3.c: New test. * testsuite/libgomp.c/task-4.c: New test. * testsuite/libgomp.c++/c++.exp: Add libstdc++-v3 build includes to C++ testsuite default compiler options. * testsuite/libgomp.c++/collapse-1.C: New test. * testsuite/libgomp.c++/collapse-2.C: New test. * testsuite/libgomp.c++/ctor-10.C: New test. * testsuite/libgomp.c++/for-1.C: New test. * testsuite/libgomp.c++/for-2.C: New test. * testsuite/libgomp.c++/for-3.C: New test. * testsuite/libgomp.c++/for-4.C: New test. * testsuite/libgomp.c++/for-5.C: New test. * testsuite/libgomp.c++/loop-8.C: New test. * testsuite/libgomp.c++/loop-9.C: New test. * testsuite/libgomp.c++/loop-10.C: New test. * testsuite/libgomp.c++/task-1.C: New test. * testsuite/libgomp.c++/task-2.C: New test. * testsuite/libgomp.c++/task-3.C: New test. * testsuite/libgomp.c++/task-4.C: New test. * testsuite/libgomp.c++/task-5.C: New test. * testsuite/libgomp.c++/task-6.C: New test. * testsuite/libgomp.fortran/allocatable1.f90: New test. * testsuite/libgomp.fortran/allocatable2.f90: New test. * testsuite/libgomp.fortran/allocatable3.f90: New test. * testsuite/libgomp.fortran/allocatable4.f90: New test. * testsuite/libgomp.fortran/collapse1.f90: New test. * testsuite/libgomp.fortran/collapse2.f90: New test. * testsuite/libgomp.fortran/collapse3.f90: New test. * testsuite/libgomp.fortran/collapse4.f90: New test. * testsuite/libgomp.fortran/lastprivate1.f90: New test. * testsuite/libgomp.fortran/lastprivate2.f90: New test. * testsuite/libgomp.fortran/lib4.f90: New test. * testsuite/libgomp.fortran/lock-1.f90: New test. * testsuite/libgomp.fortran/lock-2.f90: New test. * testsuite/libgomp.fortran/nested1.f90: New test. * testsuite/libgomp.fortran/nestedfn4.f90: New test. * testsuite/libgomp.fortran/strassen.f90: New test. * testsuite/libgomp.fortran/tabs1.f90: New test. * testsuite/libgomp.fortran/tabs2.f: New test. * testsuite/libgomp.fortran/task1.f90: New test. * testsuite/libgomp.fortran/task2.f90: New test. * testsuite/libgomp.fortran/vla4.f90: Add dg-warning. * testsuite/libgomp.fortran/vla5.f90: Likewise. * testsuite/libgomp.c/pr26943-2.c: Likewise. * testsuite/libgomp.c/pr26943-3.c: Likewise. * testsuite/libgomp.c/pr26943-4.c: Likewise. Co-Authored-By: Jakob Blomer <jakob.blomer@ira.uka.de> Co-Authored-By: Richard Henderson <rth@redhat.com> Co-Authored-By: Ulrich Drepper <drepper@redhat.com> From-SVN: r136433
2008-06-06 15:01:54 +02:00
if (dyn < max_num_threads)
max_num_threads = dyn;
/* Optimization for parallel sections. */
if (count && count < max_num_threads)
max_num_threads = count;
[multiple changes] 2006-01-18 Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * libgomp: New directory. * Makefile.def: Add target_module libgomp. * Makefile.in: Regenerate. * configure.in (target_libraries): Add target-libgomp. * configure: Regenerate. contrib/ 2006-01-18 Richard Henderson <rth@redhat.com> Diego Novillo <dnovillo@redhat.com> * gcc_update (files_and_dependencies): Add libgomp files. gcc/ 2006-01-18 Richard Henderson <rth@redhat.com> Aldy Hernandez <aldyh@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * omp-low.c: New file. * c-omp.c: New file. 2006-01-18 Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * doc/invoke.texi: Document -fopenmp. * tree-dump.h (debug_function): Declare. * hooks.c (hook_bool_tree_bool_false): New function. (hook_tree_tree_null): Remove. (hook_tree_tree_tree_null): New. * hooks.h: Update to match. * tree-pretty-print.c (debug_tree_chain): New. (print_generic_expr): Handle TDF_CHAIN. (dump_generic_node): Handle BLOCK. Do not abort with incomplete SWITCH_EXPRs. Do not dump body of an OpenMP directive if TDF_SLIM is given. <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't print space after directive name. <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY. Handle OMP_MASTER and OMP_ORDERED. Handle printing of OMP_BODY just in one place, goto dump_omp_body in the rest of OMP_* nodes that have OMP_BODY. Don't handle clause nodes here. Update omp statements to use dump_omp_clauses. Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION, OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC, OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF, GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED, GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE, GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE. Adjust output for GOMP_PARALLEL. (dump_omp_clauses): New. (print_declaration): Dump DECL_VALUE_EXPR. (op_symbol_1): Split out of op_symbol. (dumping_stmts): Remove. Update all users. * cgraph.c (cgraph_analyze_queue): New. (cgraph_add_new_function): New. * cgraph.h (cgraph_analyze_queue): Declare. (cgraph_add_new_function): Declare. (cgraph_lower_function): Remove. * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_* nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS and TYPE_P nodes in its default clause. (empty_body_p): New. (tree_range_check_failed): New. (build5_stat): New. * tree.h (OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE, OMP_CLAUSE_REDUCTION_PLACEHOLDER, OMP_CLAUSE_PRIVATE_DEBUG, OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY, OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY, OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND, OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL, OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR, OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT, OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT, OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC, OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST, OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY, OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY, OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New. (TREE_RANGE_CHECK): New. (empty_body_p): Declare. (enum omp_clause_default_kind): New. (build_string_literal): Declare. (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New. (build5_stat, build5): Declare. * tree-pass.h (TDF_CHAIN): Define. * tree-pass.h (PROP_gimple_lomp): Define. (pass_lower_omp): Declare. * diagnostic.h (debug_tree_chain): Declare. * builtins.c (get_builtin_sync_mode): Use 0 as last argument to mode_for_size. (expand_builtin): Handle sync BUILT_IN_*_16 builtins. * builtins.c (build_string_literal): Make extern. * gcc.c (include_spec_function): New. (static_spec_functions): Add it. (main): Move load of libgomp.spec ... (LINK_COMMAND_SPEC): ... here. (link_gomp_spec): New. (static_specs): Include it. (LINK_COMMAND_SPEC): Add link_gomp. (GOMP_SELF_SPECS): New. (driver_self_specs): Include it. (switch_matches): Don't mark inline. (main): Load libgomp.spec. * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION, and OMP_SINGLE, OMP_FOR and OMP_PARALLEL. * tree-gimple.h (enum omp_parallel): Declare. (determine_parallel_type): Declare. (omp_firstprivatize_variable): Declare. (omp_reduction_init): Declare. (diagnose_omp_structured_block_errors): Declare. (struct walk_stmt_info): Add want_return_expr. (struct walk_stmt_info): Add want_bind_expr, want_locations. (find_omp_clause): Declare. (insert_field_into_struct): Declare. (struct walk_stmt_info): Move from tree-nested.c (walk_stmts): Declare. * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP to 200505. * cgraphunit.c (cgraph_lower_function): Make static. (cgraph_finalize_pending_functions): New. (cgraph_finalize_function): Call it. (cgraph_finalize_compilation_unit): Likewise. * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16, BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add. (BT_FN_UINT_UINT): New. (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7, DEF_FUNCTION_TYPE_VAR_4): Document. (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT, BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR, BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT, BT_FN_VOID_OMPFN_PTR_UINT_UINT, BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR, BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New. * builtins.def: Update DEF_BUILTIN comment to include COND argument. Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins into separate files. (DEF_GOMP_BUILTIN): New. (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER, BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END, BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END, BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START, BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START, BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START, BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START, BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START, BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT, 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_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT, BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END, BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END, BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT, BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END, BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START, BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New. * sync-builtins.def: New file, moved from builtins.def. * omp-builtins.def: New file, moved from builtins.def. * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine. * gimple-low.c (lower_function_body): Clear data. (lower_stmt): Do not handle COMPOUND_EXPR. Remove call to print_node_brief. * c-tree.h (c_finish_omp_clauses): New prototype. (C_DECL_THREADPRIVATE_P): Define. (lookup_name_no_remap, c_omp_remap_private): Remove (c_begin_omp_parallel, c_finish_omp_parallel): Update. (check_for_loop_decls): Update decl. (lookup_name_no_remap, c_omp_remap_private): Declare. (build_indirect_ref, build_modify_expr, pushdecl, pushdecl_top_level): Move to c-common.h. * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp before the switch, but just in the 2 places that need it. * c-decl.c (diagnose_mismatched_decls): Do not check for mismatched thread-local attributes when OLDDECL is marked threadprivate and NEWDECL has no thread-local attributes. (merge_decls): Merge C_DECL_THREADPRIVATE_P. (c_gimple_diagnostics_recursively): Rename from c_warn_unused_result_recursively. Invoke diagnose_omp_structured_block_errors. (check_for_loop_decls): Return a singular decl found. * langhooks.c (lhd_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls. (lhd_omp_firstprivatize_type_sizes): New. (lhd_omp_assignment): New. (lhd_omp_predetermined_sharing): New. * langhooks.h (struct gimplify_omp_ctx): Forward declare. (struct lang_hooks_for_types): Add omp_firstprivatize_type_sizes, omp_privatize_by_reference, omp_predetermined_sharing, omp_disregard_value_expr, omp_private_debug_clause, omp_clause_default_ctor, omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor. (c_finish_omp_clauses): New. (c_finish_bc_stmt): Diagnose break within omp for. (c_begin_omp_parallel, c_finish_omp_parallel): New. (build_unary_op): Return error_mark after reporting a readonly_error. (build_modify_expr): Likewise. * gimplify.c: Include optabs.h and pointer-set.h. (enum gimplify_omp_var_data): Declare. (struct gimplify_omp_ctx): Declare. (struct gimplify_ctx): Add fields prev_context, combined_pre_p and combined_ctxp. (gimplify_ctxp, gimplify_omp_ctxp): New local variables. (push_gimplify_context, pop_gimplify_context): Allow nesting. (splay_tree_compare_decl_uid): New. (new_omp_context): New. (delete_omp_context): New. (gimple_add_tmp_var): Call omp_add_variable. (gimplify_bind_expr): Likewise. (gimplify_var_or_parm_decl): If omp_notice_variable returned true, disregard DECL_VALUE_EXPR on the decl if any. (gimplify_expr_in_ctx): New. (omp_firstprivatize_variable, omp_firstprivatize_type_sizes omp_add_variable, omp_notice_variable, omp_is_private gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1 gimplify_adjust_omp_clauses, gimplify_omp_parallel gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p gimplify_omp_atomic_fetch_op, goa_stabilize_expr gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex gimplify_omp_atomic): New. (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS, OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL and OMP_ATOMIC. (gimplify_body): Verify gimplify_ctxp is empty after gimplification. * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER, PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR, PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED, PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR, PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION, PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE, PRAGMA_OMP_THREADPRIVATE. * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS, OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define. * print-tree.c (print_node): Dump DECL_VALUE_EXPR. * tree-ssa-dce.c (find_control_dependence): Do not assume that ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR). * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for OpenMP directives. (struct nesting_info): Add field_map, suppress_expansion, debug_var_chain. (create_nesting_tree): Initialize them. (lookup_field_for_decl): Use field_map. (get_nonlocal_debug_decl, get_local_debug_decl): New. (convert_local_omp_clauses): New. (finalize_nesting_tree_1): Add debug_var_chain to toplevel block. (walk_body): Split out of walk_function. (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New. (convert_nonlocal_reference): Handle omp statements. (convert_local_reference): Likewise. (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1. (unnest_nesting_tree): New. (lower_nested_functions): Call it. (insert_field_into_struct): Make extern. (struct walk_stmt_info): Move to tree-gimple.h. (walk_stmts): Make extern. * omp-builtins.def: New file. * tree-iterator.c (expr_only): Clarify comment. * c-common.h (pushdecl_top_level, pushdecl, build_modify_expr, build_indirect_ref, c_finish_omp_master, c_finish_omp_critical, c_finish_omp_ordered, c_finish_omp_barrier, c_finish_omp_atomic, c_finish_omp_flush, c_finish_omp_for, c_split_parallel_clauses, omp_clause_default_kind, c_omp_sharing_predetermined, c_omp_remap_decl): Declare. * Makefile.in (BUILTINS_DEF): Add omp-builtins.def. (OBJS-common): Add omp-low.o. (c-omp.o, omp-low.o): Add. (gimplify.o): Add dependency on $(OPTABS_H). (GTFILES): Add omp-low.c. (gt-stringpool.h): Add. * tree-cfg.c (set_bb_for_stmt): Do not update the block-to-labels map if we are currently expanding to RTL. (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P checks. Handle IDENTIFIER_NODE. (tree_verify_flow_info): Do not ICE when emitting error messages about invalid labels. (dump_function_to_file): Reset CFUN before emitting the body of the function. (debug_function): New. * passes.c (init_optimization_passes): Schedule pass_lower_omp. * langhooks-def.h (lhd_omp_predetermined_sharing, lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes): Declare. (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define. (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it. (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE, LANG_HOOKS_OMP_PREDETERMINED_SHARING, LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR, LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE, LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR, LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, LANG_HOOKS_OMP_CLAUSE_DTOR): Define. (LANG_HOOK_DECLS): Use them. 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com> Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * c-parser.c (pragma_omp_clause): Define. (c_parser_declaration_or_fndef): Document OpenMP syntax. (c_parser_compound_statement): Likewise. (c_parser_statement): Likewise. (c_parser_pragma): Handle omp pragmas. (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK, OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define. (c_parser_omp_clause_name, check_no_duplicate_clause, c_parser_omp_variable_list, c_parser_omp_var_list_parens, c_parser_omp_clause_copyin, c_parser_omp_clause_copyprivate, c_parser_omp_clause_default, c_parser_omp_clause_firstprivate, c_parser_omp_clause_if, c_parser_omp_clause_lastprivate, c_parser_omp_clause_nowait, c_parser_omp_clause_num_threads, c_parser_omp_clause_ordered, c_parser_omp_clause_private, c_parser_omp_clause_reduction, c_parser_omp_clause_schedule, c_parser_omp_clause_shared, c_parser_omp_all_clauses, c_parser_omp_structured_block, c_parser_omp_atomic, c_parser_omp_barrier, c_parser_omp_critical, c_parser_omp_flush, c_parser_omp_for_loop, c_parser_omp_for, c_parser_omp_master, c_parser_omp_ordered, c_parser_omp_sections_scope, c_parser_omp_sections, c_parser_omp_parallel, c_parser_omp_single, c_parser_omp_construct, c_parser_omp_threadprivate): New. * c-pragma.c (init_pragma): Do omp pragma registration here. * c.opt (fopenmp): New flag. 2006-01-18 Eric Christopher <echristo@apple.com> * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif. * config/darwin.h (GOMP_SELF_SPECS): Define. testsuite/ 2006-01-18 Richard Henderson <rth@redhat.com> Aldy Hernandez <aldyh@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> Uros Bizjak <uros@kss-loka.si> * testsuite/gcc.dg/gomp: New directory. From-SVN: r109902
2006-01-18 20:21:25 +01:00
}
c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805. * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805. * langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause. Add omp_private_outer_ref hook, add another argument to omp_clause_default_ctor hook. * langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define. (LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define. (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to hook_tree_tree_tree_tree_null. (LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and LANG_HOOKS_OMP_PRIVATE_OUTER_REF. * hooks.c (hook_tree_tree_tree_tree_null): New function. * hooks.h (hook_tree_tree_tree_tree_null): New prototype. * tree.def (OMP_TASK): New tree code. * tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN, OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT, OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES, OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY, OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG, OMP_CLAUSE_COLLAPSE_EXPR): Define. (enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. (OMP_DIRECTIVE_P): Add OMP_TASK. (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes. (OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind. * tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED entries. (omp_clause_num_ops): Likewise. Increase OMP_CLAUSE_LASTPRIVATE num_ops to 2. (walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Walk OMP_CLAUSE_LASTPRIVATE_STMT. * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. (dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops. * c-omp.c (c_finish_omp_for): Allow pointer iterators. Remove warning about unsigned iterators. Change decl/init/cond/incr arguments to TREE_VECs, check arguments for all collapsed loops. (c_finish_omp_taskwait): New function. (c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to ws_clauses. * c-parser.c (c_parser_omp_for_loop): Parse collapsed loops. Call default_function_array_conversion on init. Add par_clauses argument. If decl is present in parallel's lastprivate clause, change it to shared and add lastprivate clause for decl to OMP_FOR_CLAUSES. Add clauses argument, on success set OMP_FOR_CLAUSES to it. Look up collapse count in clauses. (c_parser_omp_for, c_parser_omp_parallel): Adjust c_parser_omp_for_loop callers. (OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE. (c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT. (c_parser_omp_clause_name): Handle collapse and untied clauses. (c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New functions. (c_parser_omp_clause_schedule): Handle schedule(auto). Include correct location in the error message. (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE and PRAGMA_OMP_CLAUSE_UNTIED. (OMP_TASK_CLAUSE_MASK): Define. (c_parser_omp_task, c_parser_omp_taskwait): New functions. (c_parser_omp_construct): Handle PRAGMA_OMP_TASK. * tree-nested.c (convert_nonlocal_omp_clauses, convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE, OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in OMP_CLAUSE_DECL. (conver_nonlocal_reference, convert_local_reference, convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL. Use OMP_TASKREG_* macros rather than OMP_PARALLEL_*. (walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes. * tree-gimple.c (is_gimple_stmt): Handle OMP_TASK. * c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes. * c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New. (PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New. * c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions. (c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. * c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas. * c-common.h (c_finish_omp_taskwait): New prototype. * gimple-low.c (lower_stmt): Handle OMP_TASK. * tree-parloops.c (create_parallel_loop): Create 1 entry vectors for OMP_FOR_{INIT,COND,INCR}. * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers. (make_edges): Handle OMP_TASK. * tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. * tree-inline.c (estimate_num_insns_1): Handle OMP_TASK. * builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR, BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New. * omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT, BUILT_IN_GOMP_LOOP_ULL_STATIC_START, BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ULL_GUIDED_START, BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins. * gimplify.c (gimplify_omp_for): Allow pointer type for decl, handle POINTER_PLUS_EXPR. If loop counter has been replaced and original iterator is present in lastprivate clause or if collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT. Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. (gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK. (enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF. (omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed, if it is set, lookup var in outer contexts too. Handle OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. Handle vars that are supposed to be implicitly determined firstprivate for task regions. (gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed, if it is set, lookup var in outer contexts too. Set OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set. Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Take region_type as last argument instead of in_parallel and in_combined_parallel. (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare): Adjust callers. (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set. Call omp_finish_clause langhook. (new_omp_context): Set default_kind to OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions. (omp_region_type): New enum. (struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel fields, add region_type. (new_omp_context): Take region_type as argument instead of is_parallel and is_combined_parallel. (gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable, omp_is_private, omp_check_private): Adjust ctx->is_parallel and ctx->is_combined_parallel checks. (gimplify_omp_task): New function. (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. * omp-low.c (extract_omp_for_data): Use schedule(static) for schedule(auto). Handle pointer and unsigned iterators. Compute fd->iter_type. Handle POINTER_PLUS_EXPR increments. Add loops argument. Extract data for collapsed OMP_FOR loops. (expand_parallel_call): Assert sched_kind isn't auto, map runtime schedule to index 3. (struct omp_for_data_loop): New type. (struct omp_for_data): Remove v, n1, n2, step, cond_code fields. Add loop, loops, collapse and iter_type fields. (workshare_safe_to_combine_p): Disallow combined for if iter_type is unsigned long long. Don't combine collapse > 1 loops unless all bounds and steps are constant. Adjust extract_omp_for_data caller. (expand_omp_for_generic): Handle pointer, unsigned and long long iterators. Handle collapsed OMP_FOR loops. Adjust for struct omp_for_data changes. If libgomp function doesn't return boolean_type_node, add comparison of the return value with 0. (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle pointer, unsigned and long long iterators. Adjust for struct omp_for_data changes. (expand_omp_for): Assert sched_kind isn't auto, map runtime schedule to index 3. Use GOMP_loop_ull*{start,next} if iter_type is unsigned long long. Allocate loops array, pass it to extract_omp_for_data. For collapse > 1 loops use always expand_omp_for_generic. (omp_context): Add sfield_map and srecord_type fields. (is_task_ctx, lookup_sfield): New functions. (use_pointer_for_field): Use is_task_ctx helper. Change first argument's type from const_tree to tree. Clarify comment. In OMP_TASK disallow copy-in/out sharing. (build_sender_ref): Call lookup_sfield instead of lookup_field. (install_var_field): Add mask argument. Populate both record_type and srecord_type if needed. (delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN in srecord_type. (fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT} and DECL_FIELD_OFFSET. (scan_sharing_clauses): Adjust install_var_field callers. For firstprivate clauses on explicit tasks allocate the var by value in record_type unconditionally, rather than by reference. Handle OMP_CLAUSE_PRIVATE_OUTER_REF. Scan OMP_CLAUSE_LASTPRIVATE_STMT. Use is_taskreg_ctx instead of is_parallel_ctx. Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. (create_omp_child_function_name): Add task_copy argument, use *_omp_cpyfn* names if it is true. (create_omp_child_function): Add task_copy argument, if true create *_omp_cpyfn* helper function. (scan_omp_parallel): Adjust create_omp_child_function callers. Rename parallel_nesting_level to taskreg_nesting_level. (scan_omp_task): New function. (lower_rec_input_clauses): Don't run constructors for firstprivate explicit task vars which are initialized by *_omp_cpyfn*. Pass outer var ref to omp_clause_default_ctor hook if OMP_CLAUSE_PRIVATE_OUTER_REF or OMP_CLAUSE_LASTPRIVATE. Replace OMP_CLAUSE_REDUCTION_PLACEHOLDER decls in OMP_CLAUSE_REDUCTION_INIT. (lower_send_clauses): Clear DECL_ABSTRACT_ORIGIN if in task to avoid duplicate setting of fields. Handle OMP_CLAUSE_PRIVATE_OUTER_REF. (lower_send_shared_vars): Use srecord_type if non-NULL. Don't copy-out if TREE_READONLY, only copy-in. (expand_task_copyfn): New function. (expand_task_call): New function. (struct omp_taskcopy_context): New type. (task_copyfn_copy_decl, task_copyfn_remap_type, create_task_copyfn): New functions. (lower_omp_parallel): Rename to... (lower_omp_taskreg): ... this. Use OMP_TASKREG_* macros where needed. Call create_task_copyfn if srecord_type is needed. Adjust sender_decl type. (task_shared_vars): New variable. (check_omp_nesting_restrictions): Warn if work-sharing, barrier, master or ordered region is closely nested inside OMP_TASK. Add warnings for barrier if closely nested inside of work-sharing, ordered, or master region. (scan_omp_1): Call check_omp_nesting_restrictions even for GOMP_barrier calls. Rename parallel_nesting_level to taskreg_nesting_level. Handle OMP_TASK. (lower_lastprivate_clauses): Even if some lastprivate is found on a work-sharing construct, continue looking for them on parent parallel construct. (lower_omp_for_lastprivate): Add lastprivate clauses to the beginning of dlist rather than end. Adjust for struct omp_for_data changes. (lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY, not after it. Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller. (get_ws_args_for): Adjust extract_omp_for_data caller. (scan_omp_for): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. (lower_omp_single_simple): If libgomp function doesn't return boolean_type_node, add comparison of the return value with 0. (diagnose_sb_1, diagnose_sb_2): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. Handle OMP_TASK. (parallel_nesting_level): Rename to... (taskreg_nesting_level): ... this. (is_taskreg_ctx): New function. (build_outer_var_ref, omp_copy_decl): Use is_taskreg_ctx instead of is_parallel_ctx. (execute_lower_omp): Rename parallel_nesting_level to taskreg_nesting_level. (expand_omp_parallel): Rename to... (expand_omp_taskreg): ... this. Use OMP_TASKREG_* macros where needed. Call omp_task_call for OMP_TASK regions. (expand_omp): Adjust caller, handle OMP_TASK. (lower_omp_1): Adjust lower_omp_taskreg caller, handle OMP_TASK. * bitmap.c (bitmap_default_obstack_depth): New variable. (bitmap_obstack_initialize, bitmap_obstack_release): Do nothing if argument is NULL and bitmap_default_obstack is already initialized. * ipa-struct-reorg.c (do_reorg_1): Call bitmap_obstack_release at the end. * matrix-reorg.c (matrix_reorg): Likewise. cp/ * cp-tree.h (cxx_omp_finish_clause, cxx_omp_create_clause_info, dependent_omp_for_p, begin_omp_task, finish_omp_task, finish_omp_taskwait): New prototypes. (cxx_omp_clause_default_ctor): Add outer argument. (finish_omp_for): Add new clauses argument. * cp-gimplify.c (cxx_omp_finish_clause): New function. (cxx_omp_predetermined_sharing): Moved from semantics.c, rewritten. (cxx_omp_clause_default_ctor): Add outer argument. (cp_genericize_r): Walk OMP_CLAUSE_LASTPRIVATE_STMT. * cp-objcp-common.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define. * parser.c (cp_parser_omp_for_loop): Parse collapsed for loops. Add par_clauses argument. If decl is present in parallel's lastprivate clause, change that clause to shared and add a lastprivate clause for decl to OMP_FOR_CLAUSES. Fix wording of error messages. Adjust finish_omp_for caller. Add clauses argument. Parse loops with random access iterators. (cp_parser_omp_clause_collapse, cp_parser_omp_clause_untied): New functions. (cp_parser_omp_for, cp_parser_omp_parallel): Adjust cp_parser_omp_for_loop callers. (cp_parser_omp_for_cond, cp_parser_omp_for_incr): New helper functions. (cp_parser_omp_clause_name): Handle collapse and untied clauses. (cp_parser_omp_clause_schedule): Handle auto schedule. (cp_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE and PRAGMA_OMP_CLAUSE_UNTIED. (OMP_FOR_CLAUSE_MASK): Add PRAGMA_OMP_CLAUSE_COLLAPSE. (OMP_TASK_CLAUSE_MASK): Define. (cp_parser_omp_task, cp_parser_omp_taskwait): New functions. (cp_parser_omp_construct): Handle PRAGMA_OMP_TASK. (cp_parser_pragma): Handle PRAGMA_OMP_TASK and PRAGMA_OMP_TASKWAIT. * pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Handle OMP_CLAUSE_LASTPRIVATE_STMT. (tsubst_omp_for_iterator): New function. (dependent_omp_for_p): New function. (tsubst_expr) <case OMP_FOR>: Use it. Handle collapsed OMP_FOR loops. Adjust finish_omp_for caller. Handle loops with random access iterators. Adjust for OMP_FOR_{INIT,COND,INCR} changes. (tsubst_expr): Handle OMP_TASK. * semantics.c (cxx_omp_create_clause_info): New function. (finish_omp_clauses): Call it. Handle OMP_CLAUSE_UNTIED and OMP_CLAUSE_COLLAPSE. (cxx_omp_predetermined_sharing): Removed. * semantics.c (finish_omp_for): Allow pointer iterators. Use handle_omp_for_class_iterator and dependent_omp_for_p. Handle collapsed for loops. Adjust c_finish_omp_for caller. Add new clauses argument. Fix check for type dependent cond or incr. Set OMP_FOR_CLAUSES to clauses. Use cp_convert instead of fold_convert to convert incr amount to difference_type. Only fold if not in template. If decl is mentioned in lastprivate clause, set OMP_CLAUSE_LASTPRIVATE_STMT. Handle loops with random access iterators. Adjust for OMP_FOR_{INIT,COND,INCR} changes. (finish_omp_threadprivate): Allow static class members of the current class. (handle_omp_for_class_iterator, begin_omp_task, finish_omp_task, finish_omp_taskwait): New functions. * parser.c (cp_parser_binary_expression): Add prec argument. (cp_parser_assignment_expression): Adjust caller. * cp-tree.h (outer_curly_brace_block): New prototype. * decl.c (outer_curly_brace_block): No longer static. fortran/ * scanner.c (skip_free_comments, skip_fixed_comments): Handle tabs. * parse.c (next_free): Allow tab after !$omp. (decode_omp_directive): Handle !$omp task, !$omp taskwait and !$omp end task. (case_executable): Add ST_OMP_TASKWAIT. (case_exec_markers): Add ST_OMP_TASK. (gfc_ascii_statement): Handle ST_OMP_TASK, ST_OMP_END_TASK and ST_OMP_TASKWAIT. (parse_omp_structured_block, parse_executable): Handle ST_OMP_TASK. * gfortran.h (gfc_find_sym_in_expr): New prototype. (gfc_statement): Add ST_OMP_TASK, ST_OMP_END_TASK and ST_OMP_TASKWAIT. (gfc_omp_clauses): Add OMP_SCHED_AUTO to sched_kind, OMP_DEFAULT_FIRSTPRIVATE to default_sharing. Add collapse and untied fields. (gfc_exec_op): Add EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * f95-lang.c (LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, LANG_HOOKS_OMP_CLAUSE_DTOR, LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define. * trans.h (gfc_omp_clause_default_ctor): Add another argument. (gfc_omp_clause_copy_ctor, gfc_omp_clause_assign_op, gfc_omp_clause_dtor, gfc_omp_private_outer_ref): New prototypes. * types.def (BT_ULONGLONG, BT_PTR_ULONGLONG, BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_VOID_PTR_PTR, BT_PTR_FN_VOID_PTR_PTR, BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New. (BT_BOOL): Use integer type with BOOL_TYPE_SIZE rather than boolean_type_node. * dump-parse-tree.c (gfc_show_omp_node): Handle EXEC_OMP_TASK, EXEC_OMP_TASKWAIT, OMP_SCHED_AUTO, OMP_DEFAULT_FIRSTPRIVATE, untied and collapse clauses. (gfc_show_code_node): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * trans.c (gfc_trans_code): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * st.c (gfc_free_statement): Likewise. * resolve.c (gfc_resolve_blocks, resolve_code): Likewise. (find_sym_in_expr): Rename to... (gfc_find_sym_in_expr): ... this. No longer static. (resolve_allocate_expr, resolve_ordinary_assign): Adjust caller. * match.h (gfc_match_omp_task, gfc_match_omp_taskwait): New prototypes. * openmp.c (resolve_omp_clauses): Allow allocatable arrays in firstprivate, lastprivate, reduction, copyprivate and copyin clauses. (omp_current_do_code): Made static. (omp_current_do_collapse): New variable. (gfc_resolve_omp_do_blocks): Compute omp_current_do_collapse, clear omp_current_do_code and omp_current_do_collapse on return. (gfc_resolve_do_iterator): Handle collapsed do loops. (resolve_omp_do): Likewise, diagnose errorneous collapsed do loops. (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): Define. (gfc_match_omp_clauses): Handle default (firstprivate), schedule (auto), untied and collapse (n) clauses. (OMP_DO_CLAUSES): Add OMP_CLAUSE_COLLAPSE. (OMP_TASK_CLAUSES): Define. (gfc_match_omp_task, gfc_match_omp_taskwait): New functions. * trans-openmp.c (gfc_omp_private_outer_ref): New function. (gfc_omp_clause_default_ctor): Add outer argument. For allocatable arrays allocate them with the bounds of the outer var if outer var is allocated. (gfc_omp_clause_copy_ctor, gfc_omp_clause_assign_op, gfc_omp_clause_dtor): New functions. (gfc_trans_omp_array_reduction): If decl is allocatable array, allocate it with outer var's bounds in OMP_CLAUSE_REDUCTION_INIT and deallocate it in OMP_CLAUSE_REDUCTION_MERGE. (gfc_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED for assumed-size arrays. (gfc_trans_omp_do): Add par_clauses argument. If dovar is present in lastprivate clause and do loop isn't simple, set OMP_CLAUSE_LASTPRIVATE_STMT. If dovar is present in parallel's lastprivate clause, change it to shared and add lastprivate clause to OMP_FOR_CLAUSES. Handle collapsed do loops. (gfc_trans_omp_directive): Adjust gfc_trans_omp_do callers. (gfc_trans_omp_parallel_do): Likewise. Move collapse clause to OMP_FOR from OMP_PARALLEL. (gfc_trans_omp_clauses): Handle OMP_SCHED_AUTO, OMP_DEFAULT_FIRSTPRIVATE, untied and collapse clauses. (gfc_trans_omp_task, gfc_trans_omp_taskwait): New functions. (gfc_trans_omp_directive): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. gcc/testsuite/ * gcc.dg/gomp/collapse-1.c: New test. * gcc.dg/gomp/nesting-1.c: New test. * g++.dg/gomp/task-1.C: New test. * g++.dg/gomp/predetermined-1.C: New test. * g++.dg/gomp/tls-4.C: New test. * gfortran.dg/gomp/collapse1.f90: New test. * gfortran.dg/gomp/sharing-3.f90: New test. * gcc.dg/gomp/pr27499.c (foo): Remove is unsigned dg-warning. * g++.dg/gomp/pr27499.C (foo): Likewise. * g++.dg/gomp/for-16.C (foo): Likewise. * g++.dg/gomp/tls-3.C: Remove dg-error, add S::s definition. * g++.dg/gomp/pr34607.C: Adjust dg-error location. * g++.dg/gomp/for-16.C (foo): Add a new dg-error. * gcc.dg/gomp/appendix-a/a.35.4.c: Add dg-warning. * gcc.dg/gomp/appendix-a/a.35.6.c: Likewise. * gfortran.dg/gomp/appendix-a/a.35.4.f90: Likewise. * gfortran.dg/gomp/appendix-a/a.35.6.f90: Likewise. * gfortran.dg/gomp/omp_parse1.f90: Remove !$omp tab test. * gfortran.dg/gomp/appendix-a/a.33.4.f90: Remove dg-error about allocatable array. * gfortran.dg/gomp/reduction1.f90: Likewise. libgomp/ * configure.ac (LIBGOMP_GNU_SYMBOL_VERSIONING): New AC_DEFINE. Substitute also OMP_*LOCK_25*. * configure: Regenerated. * config.h.in: Regenerated. * Makefile.am (libgomp_la_SOURCES): Add loop_ull.c, iter_ull.c, ptrlock.c and task.c. * Makefile.in: Regenerated. * testsuite/Makefile.in: Regenerated. * task.c: New file. * loop_ull.c: New file. * iter_ull.c: New file. * libgomp.h: Include ptrlock.h. (enum gomp_task_kind): New type. (struct gomp_team): Add task_lock, task_queue, task_count, task_running_count, single_count fields. Add work_share_list_free_lock ifndef HAVE_SYNC_BUILTINS. Remove work_share_lock, generation_mask, oldest_live_gen, num_live_gen and init_work_shares fields, add work work_share_list_alloc, work_share_list_free and work_share_chunk fields. Change work_shares from pointer to pointers into an array. Change ordered_release field into gomp_sem_t ** from flexible array member. Add implicit_task and initial_work_shares fields. Move close to the end of the struct. (struct gomp_team_state): Add single_count, last_work_share, active_level and level fields, remove work_share_generation. (gomp_barrier_handle_tasks): New prototype. (gomp_finish_task): New inline function. (struct gomp_work_share): Move chunk_size, end, incr into transparent union/struct, add chunk_size_ull, end_ll, incr_ll and next_ll fields. Reshuffle fields. Add next_alloc, next_ws, next_free and inline_ordered_team_ids fields, change ordered_team_ids into pointer from flexible array member. Add mode field. Put lock and next into a different cache line from most of the write-once fields. (gomp_iter_ull_static_next, gomp_iter_ull_dynamic_next_locked, gomp_iter_ull_guided_next_locked, gomp_iter_ull_dynamic_next, gomp_iter_ull_guided_next): New prototypes. (gomp_new_icv): New prototype. (struct gomp_thread): Add thread_pool and task fields. (struct gomp_thread_pool): New type. (gomp_new_team): New prototype. (gomp_team_start): Change type of last argument. (gomp_new_work_share): Removed. (gomp_init_work_share, gomp_fini_work_share): New prototypes. (gomp_work_share_init_done): New static inline. (gomp_throttled_spin_count_var, gomp_available_cpus, gomp_managed_threads): New extern decls. (gomp_init_task): New prototype. (gomp_spin_count_var): New extern var decl. (LIBGOMP_GNU_SYMBOL_VERSIONING): Undef if no visibility or no alias support, or if not PIC. (gomp_init_lock_30, gomp_destroy_lock_30, gomp_set_lock_30, gomp_unset_lock_30, gomp_test_lock_30, gomp_init_nest_lock_30, gomp_destroy_nest_lock_30, gomp_set_nest_lock_30, gomp_unset_nest_lock_30, gomp_test_nest_lock_30, gomp_init_lock_25, gomp_destroy_lock_25, gomp_set_lock_25, gomp_unset_lock_25, gomp_test_lock_25, gomp_init_nest_lock_25, gomp_destroy_nest_lock_25, gomp_set_nest_lock_25, gomp_unset_nest_lock_25, gomp_test_nest_lock_25): New prototypes. (omp_lock_symver, strong_alias): Define. (gomp_remaining_threads_count, gomp_remaining_threads_lock): New decls. (gomp_end_task): New. (struct gomp_task_icv, gomp_global_icv): New. (gomp_thread_limit_var, gomp_max_active_levels_var): New. (struct gomp_task): New. (gomp_nthreads_var, gomp_dyn_var, gomp_nest_var, gomp_run_sched_var, gomp_run_sched_chunk): Remove. (gomp_icv): New. (gomp_schedule_type): Reorder enum to match omp_sched_t. * team.c (struct gomp_thread_start_data): Add thread_pool and task fields. (gomp_thread_start): Add gomp_team_barrier_wait call. For non-nested case remove clearing of docked thread thr fields. Use pool fields instead of global gomp_* variables. Use gomp_barrier_wait_last when needed. Initialize ts.active_level. Create tasks for each member thread. (free_team): Only destroy team barrier, task_lock here and free it. (gomp_free_thread): Free last_team if non-NULL. (gomp_team_end): Call gomp_team_barrier_wait instead of gomp_barrier_wait. For nested case call one extra gomp_barrier_wait. Move here some destruction from free_team. Call free_team on pool->last_team if any, rather than freeing current team. Destroy work_share_list_free_lock ifndef HAVE_SYNC_BUILTINS. (gomp_new_icv): New function. (gomp_threads, gomp_threads_size, gomp_threads_used, gomp_threads_dock): Removed. (gomp_thread_destructor): New variable. (gomp_new_thread_pool, gomp_free_pool_helper, gomp_free_thread): New functions. (gomp_team_start): Create new pool if current thread doesn't have one. Use pool fields instead of global gomp_* variables. Initialize thread_pool field for new threads. Clear single_count. Change last argument from ws to team, don't create new team, set ts.work_share to &team->work_shares[0] and clear ts.last_work_share. Don't clear ts.work_share_generation. If number of threads changed, adjust atomically gomp_managed_threads. Use gomp_init_task instead of gomp_new_task, set thr->task to the corresponding implicit_task array entry. Create tasks for each member thread. Initialize ts.level. (initialize_team): Call pthread_key_create on gomp_thread_destructor. (team_destructor): New function. (new_team): Removed. (gomp_new_team): New function. (free_team): Free gomp_work_share blocks chained through next_alloc, instead of freeing work_shares and destroying work_share_lock. (gomp_team_end): Call gomp_fini_work_share. If number of threads changed, adjust atomically gomp_managed_threads. Use gomp_end_task. * barrier.c (GOMP_barrier): Call gomp_team_barrier_wait instead of gomp_barrier_wait. * single.c (GOMP_single_copy_start): Call gomp_team_barrier_wait instead of gomp_barrier_wait. Call gomp_work_share_init_done if gomp_work_share_start returned true. Don't unlock ws->lock. (GOMP_single_copy_end): Call gomp_team_barrier_wait instead of gomp_barrier_wait. (GOMP_single_start): Rewritten if HAVE_SYNC_BUILTINS. Call gomp_work_share_init_done if gomp_work_share_start returned true. Don't unlock ws->lock. * work.c: Include stddef.h. (free_work_share): Use work_share_list_free_lock instead of atomic chaining ifndef HAVE_SYNC_BUILTINS. Add team argument. Call gomp_fini_work_share and then either free ws if orphaned, or put it into work_share_list_free list of the current team. (alloc_work_share, gomp_init_work_share, gomp_fini_work_share): New functions. (gomp_work_share_start, gomp_work_share_end, gomp_work_share_end_nowait): Rewritten. * omp_lib.f90.in Change some tabs to spaces to prevent warnings. (openmp_version): Set to 200805. (omp_sched_kind, omp_sched_static, omp_sched_dynamic, omp_sched_guided, omp_sched_auto): New parameters. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New interfaces. * omp_lib.h.in (openmp_version): Set to 200805. (omp_sched_kind, omp_sched_static, omp_sched_dynamic, omp_sched_guided, omp_sched_auto): New parameters. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New externals. * loop.c: Include limits.h. (GOMP_loop_runtime_next, GOMP_loop_ordered_runtime_next): Handle GFS_AUTO. (GOMP_loop_runtime_start, GOMP_loop_ordered_runtime_start): Likewise. Use gomp_icv. (gomp_loop_static_start, gomp_loop_dynamic_start): Clear ts.static_trip here. (gomp_loop_static_start, gomp_loop_ordered_static_start): Call gomp_work_share_init_done after gomp_loop_init. Don't unlock ws->lock. (gomp_loop_dynamic_start, gomp_loop_guided_start): Call gomp_work_share_init_done after gomp_loop_init. If HAVE_SYNC_BUILTINS, don't unlock ws->lock, otherwise lock it. (gomp_loop_ordered_dynamic_start, gomp_loop_ordered_guided_start): Call gomp_work_share_init_done after gomp_loop_init. Lock ws->lock. (gomp_parallel_loop_start): Call gomp_new_team instead of gomp_new_work_share. Call gomp_loop_init on &team->work_shares[0]. Adjust gomp_team_start caller. Pass 0 as second argument to gomp_resolve_num_threads. (gomp_loop_init): For GFS_DYNAMIC, multiply ws->chunk_size by incr. If adding ws->chunk_size nthreads + 1 times after end won't overflow, set ws->mode to 1. * libgomp_g.h (GOMP_loop_ull_static_start, GOMP_loop_ull_dynamic_start, GOMP_loop_ull_guided_start, GOMP_loop_ull_runtime_start, GOMP_loop_ull_ordered_static_start, GOMP_loop_ull_ordered_dynamic_start, GOMP_loop_ull_ordered_guided_start, GOMP_loop_ull_ordered_runtime_start, GOMP_loop_ull_static_next, GOMP_loop_ull_dynamic_next, GOMP_loop_ull_guided_next, GOMP_loop_ull_runtime_next, GOMP_loop_ull_ordered_static_next, GOMP_loop_ull_ordered_dynamic_next, GOMP_loop_ull_ordered_guided_next, GOMP_loop_ull_ordered_runtime_next, GOMP_task, GOMP_taskwait): New prototypes. * libgomp.map: Export lock routines also @@OMP_2.0. (GOMP_loop_ordered_dynamic_first, GOMP_loop_ordered_guided_first, GOMP_loop_ordered_runtime_first, GOMP_loop_ordered_static_first): Remove. (GOMP_loop_ull_dynamic_next, GOMP_loop_ull_dynamic_start, GOMP_loop_ull_guided_next, GOMP_loop_ull_guided_start, GOMP_loop_ull_ordered_dynamic_next, GOMP_loop_ull_ordered_dynamic_start, GOMP_loop_ull_ordered_guided_next, GOMP_loop_ull_ordered_guided_start, GOMP_loop_ull_ordered_runtime_next, GOMP_loop_ull_ordered_runtime_start, GOMP_loop_ull_ordered_static_next, GOMP_loop_ull_ordered_static_start, GOMP_loop_ull_runtime_next, GOMP_loop_ull_runtime_start, GOMP_loop_ull_static_next, GOMP_loop_ull_static_start, GOMP_task, GOMP_taskwait): Export @@GOMP_2.0. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level, omp_set_schedule_, omp_set_schedule_8_, omp_get_schedule_, omp_get_schedule_8_, omp_get_thread_limit_, omp_set_max_active_levels_, omp_set_max_active_levels_8_, omp_get_max_active_levels_, omp_get_level_, omp_get_ancestor_thread_num_, omp_get_ancestor_thread_num_8_, omp_get_team_size_, omp_get_team_size_8_, omp_get_active_level_): New exports @@OMP_3.0. * omp.h.in (omp_sched_t): New type. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New prototypes. * env.c (gomp_spin_count_var, gomp_throttled_spin_count_var, gomp_available_cpus, gomp_managed_threads, gomp_max_active_levels_var, gomp_thread_limit_var, gomp_remaining_threads_count, gomp_remaining_threads_lock): New variables. (parse_spincount): New function. (initialize_env): Call gomp_init_num_threads unconditionally. Initialize gomp_available_cpus. Call parse_spincount, initialize gomp_{,throttled_}spin_count_var depending on presence and value of OMP_WAIT_POLICY and GOMP_SPINCOUNT env vars. Handle GOMP_BLOCKTIME env var. Handle OMP_WAIT_POLICY, OMP_MAX_ACTIVE_LEVELS, OMP_THREAD_LIMIT, OMP_STACKSIZE env vars. Handle unit specification for GOMP_STACKSIZE. Initialize gomp_remaining_threads_count and gomp_remaining_threads_lock if needed. Use gomp_global_icv. (gomp_nthreads_var, gomp_dyn_var, gomp_nest_var, gomp_run_sched_var, gomp_run_sched_chunk): Remove. (gomp_global_icv): New. (parse_schedule): Use it. Parse "auto". (omp_set_num_threads): Use gomp_icv. (omp_set_dynamic, omp_get_dynamic, omp_set_nested, omp_get_nested): Likewise. (omp_get_max_threads): Move from parallel.c. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels): New functions, add ialias. (parse_stacksize, parse_wait_policy): New functions. * fortran.c: Rewrite lock wrappers, if symbol versioning provide both wrappers for compatibility and new locks. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New ialias_redirect. (omp_set_schedule_, omp_set_schedule_8_, omp_get_schedule_, omp_get_schedule_8_, omp_get_thread_limit_, omp_set_max_active_levels_, omp_set_max_active_levels_8_, omp_get_max_active_levels_, omp_get_level_, omp_get_ancestor_thread_num_, omp_get_ancestor_thread_num_8_, omp_get_team_size_, omp_get_team_size_8_, omp_get_active_level_): New functions. * parallel.c: Include limits.h. (gomp_resolve_num_threads): Add count argument. Rewritten. (GOMP_parallel_start): Call gomp_new_team and pass that as last argument to gomp_team_start. Pass 0 as second argument to gomp_resolve_num_threads. (GOMP_parallel_end): Decrease gomp_remaining_threads_count if gomp_thread_limit_var != ULONG_MAX. (omp_in_parallel): Implement using ts.active_level. (omp_get_max_threads): Move to env.c. (omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New functions, add ialias. * sections.c (GOMP_sections_start): Call gomp_work_share_init_done after gomp_sections_init. If HAVE_SYNC_BUILTINS, call gomp_iter_dynamic_next instead of the _locked variant and don't take lock around it, otherwise acquire it before calling gomp_iter_dynamic_next_locked. (GOMP_sections_next): If HAVE_SYNC_BUILTINS, call gomp_iter_dynamic_next instead of the _locked variant and don't take lock around it. (GOMP_parallel_sections_start): Call gomp_new_team instead of gomp_new_work_share. Call gomp_sections_init on &team->work_shares[0]. Adjust gomp_team_start caller. Pass count as second argument to gomp_resolve_num_threads, don't adjust num_threads after the call. Use gomp_icv. * iter.c (gomp_iter_dynamic_next_locked): Don't multiply ws->chunk_size by incr. (gomp_iter_dynamic_next): Likewise. If ws->mode, use more efficient code. * libgomp_f.h.in (omp_lock_25_arg_t, omp_nest_lock_25_arg_t): New types. (omp_lock_25_arg, omp_nest_lock_25_arg): New macros. (omp_check_defines): Check even the compat defines. * config/linux/ptrlock.c: New file. * config/linux/ptrlock.h: New file. * config/linux/wait.h: New file. * config/posix/ptrlock.c: New file. * config/posix/ptrlock.h: New file. * config/linux/bar.h (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New prototypes. (gomp_team_barrier_set_task_pending, gomp_team_barrier_clear_task_pending, gomp_team_barrier_set_waiting_for_tasks, gomp_team_barrier_waiting_for_tasks, gomp_team_barrier_done): New inlines. (gomp_barrier_t): Rewritten. (gomp_barrier_state_t): New typedef. (gomp_barrier_init, gomp_barrier_reinit, gomp_barrier_destroy, gomp_barrier_wait_start): Rewritten. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_barrier_last_thread, gomp_barrier_wait_last): New static inlines. * config/linux/bar.c: Include wait.h instead of libgomp.h and futex.h. (gomp_barrier_wait_end): Rewritten. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake, gomp_barrier_wait_last): New functions. * config/posix/bar.h (gomp_barrier_t): Add generation field. (gomp_barrier_state_t): New typedef. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New prototypes. (gomp_barrier_wait_start): Or all but low 2 bits from generation into the return value. Return gomp_barrier_state_t. (gomp_team_barrier_set_task_pending, gomp_team_barrier_clear_task_pending, gomp_team_barrier_set_waiting_for_tasks, gomp_team_barrier_waiting_for_tasks, gomp_team_barrier_done): New inlines. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_barrier_last_thread, gomp_barrier_wait_last): New static inlines. * config/posix/bar.c (gomp_barrier_init): Clear generation field. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New functions. * config/linux/mutex.c: Include wait.h instead of libgomp.h and futex.h. (gomp_futex_wake, gomp_futex_wait): New variables. (gomp_mutex_lock_slow): Call do_wait instead of futex_wait. * config/linux/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. Include wait.h instead of libgomp.h and futex.h. (gomp_set_nest_lock_25): Call do_wait instead of futex_wait. * config/posix95/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. * config/posix/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. * config/linux/proc.c (gomp_init_num_threads): Use gomp_global_icv. (get_num_procs, gomp_dynamic_max_threads): Use gomp_icv. * config/posix/proc.c, config/mingw32/proc.c: Similarly. * config/linux/powerpc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/alpha/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/x86/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/s390/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/ia64/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/sparc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/sem.c: Include wait.h instead of libgomp.h and futex.h. (gomp_sem_wait_slow): Call do_wait instead of futex_wait. * config/linux/affinity.c: Assume HAVE_SYNC_BUILTINS. * config/linux/omp-lock.h (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_nest_lock_t): Change owner into void *, add lock field. * config/posix95/omp-lock.h: Include semaphore.h. (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_lock_t): Use sem_t instead of mutex if semaphores aren't broken. (omp_nest_lock_t): Likewise. Change owner to void *. * config/posix/omp-lock.h: Include semaphore.h. (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_lock_t): Use sem_t instead of mutex if semaphores aren't broken. (omp_nest_lock_t): Likewise. Add owner field. * testsuite/libgomp.c/collapse-1.c: New test. * testsuite/libgomp.c/collapse-2.c: New test. * testsuite/libgomp.c/collapse-3.c: New test. * testsuite/libgomp.c/icv-1.c: New test. * testsuite/libgomp.c/icv-2.c: New test. * testsuite/libgomp.c/lib-2.c: New test. * testsuite/libgomp.c/lock-1.c: New test. * testsuite/libgomp.c/lock-2.c: New test. * testsuite/libgomp.c/lock-3.c: New test. * testsuite/libgomp.c/loop-4.c: New test. * testsuite/libgomp.c/loop-5.c: New test. * testsuite/libgomp.c/loop-6.c: New test. * testsuite/libgomp.c/loop-7.c: New test. * testsuite/libgomp.c/loop-8.c: New test. * testsuite/libgomp.c/loop-9.c: New test. * testsuite/libgomp.c/nested-3.c: New test. * testsuite/libgomp.c/nestedfn-6.c: New test. * testsuite/libgomp.c/sort-1.c: New test. * testsuite/libgomp.c/task-1.c: New test. * testsuite/libgomp.c/task-2.c: New test. * testsuite/libgomp.c/task-3.c: New test. * testsuite/libgomp.c/task-4.c: New test. * testsuite/libgomp.c++/c++.exp: Add libstdc++-v3 build includes to C++ testsuite default compiler options. * testsuite/libgomp.c++/collapse-1.C: New test. * testsuite/libgomp.c++/collapse-2.C: New test. * testsuite/libgomp.c++/ctor-10.C: New test. * testsuite/libgomp.c++/for-1.C: New test. * testsuite/libgomp.c++/for-2.C: New test. * testsuite/libgomp.c++/for-3.C: New test. * testsuite/libgomp.c++/for-4.C: New test. * testsuite/libgomp.c++/for-5.C: New test. * testsuite/libgomp.c++/loop-8.C: New test. * testsuite/libgomp.c++/loop-9.C: New test. * testsuite/libgomp.c++/loop-10.C: New test. * testsuite/libgomp.c++/task-1.C: New test. * testsuite/libgomp.c++/task-2.C: New test. * testsuite/libgomp.c++/task-3.C: New test. * testsuite/libgomp.c++/task-4.C: New test. * testsuite/libgomp.c++/task-5.C: New test. * testsuite/libgomp.c++/task-6.C: New test. * testsuite/libgomp.fortran/allocatable1.f90: New test. * testsuite/libgomp.fortran/allocatable2.f90: New test. * testsuite/libgomp.fortran/allocatable3.f90: New test. * testsuite/libgomp.fortran/allocatable4.f90: New test. * testsuite/libgomp.fortran/collapse1.f90: New test. * testsuite/libgomp.fortran/collapse2.f90: New test. * testsuite/libgomp.fortran/collapse3.f90: New test. * testsuite/libgomp.fortran/collapse4.f90: New test. * testsuite/libgomp.fortran/lastprivate1.f90: New test. * testsuite/libgomp.fortran/lastprivate2.f90: New test. * testsuite/libgomp.fortran/lib4.f90: New test. * testsuite/libgomp.fortran/lock-1.f90: New test. * testsuite/libgomp.fortran/lock-2.f90: New test. * testsuite/libgomp.fortran/nested1.f90: New test. * testsuite/libgomp.fortran/nestedfn4.f90: New test. * testsuite/libgomp.fortran/strassen.f90: New test. * testsuite/libgomp.fortran/tabs1.f90: New test. * testsuite/libgomp.fortran/tabs2.f: New test. * testsuite/libgomp.fortran/task1.f90: New test. * testsuite/libgomp.fortran/task2.f90: New test. * testsuite/libgomp.fortran/vla4.f90: Add dg-warning. * testsuite/libgomp.fortran/vla5.f90: Likewise. * testsuite/libgomp.c/pr26943-2.c: Likewise. * testsuite/libgomp.c/pr26943-3.c: Likewise. * testsuite/libgomp.c/pr26943-4.c: Likewise. Co-Authored-By: Jakob Blomer <jakob.blomer@ira.uka.de> Co-Authored-By: Richard Henderson <rth@redhat.com> Co-Authored-By: Ulrich Drepper <drepper@redhat.com> From-SVN: r136433
2008-06-06 15:01:54 +02:00
/* ULONG_MAX stands for infinity. */
if (__builtin_expect (gomp_thread_limit_var == ULONG_MAX, 1)
|| max_num_threads == 1)
return max_num_threads;
#ifdef HAVE_SYNC_BUILTINS
do
{
remaining = gomp_remaining_threads_count;
num_threads = max_num_threads;
if (num_threads > remaining)
num_threads = remaining + 1;
}
while (__sync_val_compare_and_swap (&gomp_remaining_threads_count,
remaining, remaining - num_threads + 1)
!= remaining);
#else
gomp_mutex_lock (&gomp_remaining_threads_lock);
num_threads = max_num_threads;
remaining = gomp_remaining_threads_count;
if (num_threads > remaining)
num_threads = remaining + 1;
gomp_remaining_threads_count -= num_threads - 1;
gomp_mutex_unlock (&gomp_remaining_threads_lock);
#endif
return num_threads;
[multiple changes] 2006-01-18 Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * libgomp: New directory. * Makefile.def: Add target_module libgomp. * Makefile.in: Regenerate. * configure.in (target_libraries): Add target-libgomp. * configure: Regenerate. contrib/ 2006-01-18 Richard Henderson <rth@redhat.com> Diego Novillo <dnovillo@redhat.com> * gcc_update (files_and_dependencies): Add libgomp files. gcc/ 2006-01-18 Richard Henderson <rth@redhat.com> Aldy Hernandez <aldyh@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * omp-low.c: New file. * c-omp.c: New file. 2006-01-18 Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * doc/invoke.texi: Document -fopenmp. * tree-dump.h (debug_function): Declare. * hooks.c (hook_bool_tree_bool_false): New function. (hook_tree_tree_null): Remove. (hook_tree_tree_tree_null): New. * hooks.h: Update to match. * tree-pretty-print.c (debug_tree_chain): New. (print_generic_expr): Handle TDF_CHAIN. (dump_generic_node): Handle BLOCK. Do not abort with incomplete SWITCH_EXPRs. Do not dump body of an OpenMP directive if TDF_SLIM is given. <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't print space after directive name. <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY. Handle OMP_MASTER and OMP_ORDERED. Handle printing of OMP_BODY just in one place, goto dump_omp_body in the rest of OMP_* nodes that have OMP_BODY. Don't handle clause nodes here. Update omp statements to use dump_omp_clauses. Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION, OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC, OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF, GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED, GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE, GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE. Adjust output for GOMP_PARALLEL. (dump_omp_clauses): New. (print_declaration): Dump DECL_VALUE_EXPR. (op_symbol_1): Split out of op_symbol. (dumping_stmts): Remove. Update all users. * cgraph.c (cgraph_analyze_queue): New. (cgraph_add_new_function): New. * cgraph.h (cgraph_analyze_queue): Declare. (cgraph_add_new_function): Declare. (cgraph_lower_function): Remove. * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_* nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS and TYPE_P nodes in its default clause. (empty_body_p): New. (tree_range_check_failed): New. (build5_stat): New. * tree.h (OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE, OMP_CLAUSE_REDUCTION_PLACEHOLDER, OMP_CLAUSE_PRIVATE_DEBUG, OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY, OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY, OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND, OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL, OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR, OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT, OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT, OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC, OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST, OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY, OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY, OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New. (TREE_RANGE_CHECK): New. (empty_body_p): Declare. (enum omp_clause_default_kind): New. (build_string_literal): Declare. (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New. (build5_stat, build5): Declare. * tree-pass.h (TDF_CHAIN): Define. * tree-pass.h (PROP_gimple_lomp): Define. (pass_lower_omp): Declare. * diagnostic.h (debug_tree_chain): Declare. * builtins.c (get_builtin_sync_mode): Use 0 as last argument to mode_for_size. (expand_builtin): Handle sync BUILT_IN_*_16 builtins. * builtins.c (build_string_literal): Make extern. * gcc.c (include_spec_function): New. (static_spec_functions): Add it. (main): Move load of libgomp.spec ... (LINK_COMMAND_SPEC): ... here. (link_gomp_spec): New. (static_specs): Include it. (LINK_COMMAND_SPEC): Add link_gomp. (GOMP_SELF_SPECS): New. (driver_self_specs): Include it. (switch_matches): Don't mark inline. (main): Load libgomp.spec. * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION, and OMP_SINGLE, OMP_FOR and OMP_PARALLEL. * tree-gimple.h (enum omp_parallel): Declare. (determine_parallel_type): Declare. (omp_firstprivatize_variable): Declare. (omp_reduction_init): Declare. (diagnose_omp_structured_block_errors): Declare. (struct walk_stmt_info): Add want_return_expr. (struct walk_stmt_info): Add want_bind_expr, want_locations. (find_omp_clause): Declare. (insert_field_into_struct): Declare. (struct walk_stmt_info): Move from tree-nested.c (walk_stmts): Declare. * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP to 200505. * cgraphunit.c (cgraph_lower_function): Make static. (cgraph_finalize_pending_functions): New. (cgraph_finalize_function): Call it. (cgraph_finalize_compilation_unit): Likewise. * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16, BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add. (BT_FN_UINT_UINT): New. (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7, DEF_FUNCTION_TYPE_VAR_4): Document. (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT, BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR, BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT, BT_FN_VOID_OMPFN_PTR_UINT_UINT, BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR, BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New. * builtins.def: Update DEF_BUILTIN comment to include COND argument. Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins into separate files. (DEF_GOMP_BUILTIN): New. (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER, BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END, BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END, BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START, BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START, BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START, BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START, BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START, BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT, 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_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT, BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END, BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END, BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT, BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END, BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START, BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New. * sync-builtins.def: New file, moved from builtins.def. * omp-builtins.def: New file, moved from builtins.def. * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine. * gimple-low.c (lower_function_body): Clear data. (lower_stmt): Do not handle COMPOUND_EXPR. Remove call to print_node_brief. * c-tree.h (c_finish_omp_clauses): New prototype. (C_DECL_THREADPRIVATE_P): Define. (lookup_name_no_remap, c_omp_remap_private): Remove (c_begin_omp_parallel, c_finish_omp_parallel): Update. (check_for_loop_decls): Update decl. (lookup_name_no_remap, c_omp_remap_private): Declare. (build_indirect_ref, build_modify_expr, pushdecl, pushdecl_top_level): Move to c-common.h. * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp before the switch, but just in the 2 places that need it. * c-decl.c (diagnose_mismatched_decls): Do not check for mismatched thread-local attributes when OLDDECL is marked threadprivate and NEWDECL has no thread-local attributes. (merge_decls): Merge C_DECL_THREADPRIVATE_P. (c_gimple_diagnostics_recursively): Rename from c_warn_unused_result_recursively. Invoke diagnose_omp_structured_block_errors. (check_for_loop_decls): Return a singular decl found. * langhooks.c (lhd_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls. (lhd_omp_firstprivatize_type_sizes): New. (lhd_omp_assignment): New. (lhd_omp_predetermined_sharing): New. * langhooks.h (struct gimplify_omp_ctx): Forward declare. (struct lang_hooks_for_types): Add omp_firstprivatize_type_sizes, omp_privatize_by_reference, omp_predetermined_sharing, omp_disregard_value_expr, omp_private_debug_clause, omp_clause_default_ctor, omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor. (c_finish_omp_clauses): New. (c_finish_bc_stmt): Diagnose break within omp for. (c_begin_omp_parallel, c_finish_omp_parallel): New. (build_unary_op): Return error_mark after reporting a readonly_error. (build_modify_expr): Likewise. * gimplify.c: Include optabs.h and pointer-set.h. (enum gimplify_omp_var_data): Declare. (struct gimplify_omp_ctx): Declare. (struct gimplify_ctx): Add fields prev_context, combined_pre_p and combined_ctxp. (gimplify_ctxp, gimplify_omp_ctxp): New local variables. (push_gimplify_context, pop_gimplify_context): Allow nesting. (splay_tree_compare_decl_uid): New. (new_omp_context): New. (delete_omp_context): New. (gimple_add_tmp_var): Call omp_add_variable. (gimplify_bind_expr): Likewise. (gimplify_var_or_parm_decl): If omp_notice_variable returned true, disregard DECL_VALUE_EXPR on the decl if any. (gimplify_expr_in_ctx): New. (omp_firstprivatize_variable, omp_firstprivatize_type_sizes omp_add_variable, omp_notice_variable, omp_is_private gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1 gimplify_adjust_omp_clauses, gimplify_omp_parallel gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p gimplify_omp_atomic_fetch_op, goa_stabilize_expr gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex gimplify_omp_atomic): New. (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS, OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL and OMP_ATOMIC. (gimplify_body): Verify gimplify_ctxp is empty after gimplification. * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER, PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR, PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED, PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR, PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION, PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE, PRAGMA_OMP_THREADPRIVATE. * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS, OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define. * print-tree.c (print_node): Dump DECL_VALUE_EXPR. * tree-ssa-dce.c (find_control_dependence): Do not assume that ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR). * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for OpenMP directives. (struct nesting_info): Add field_map, suppress_expansion, debug_var_chain. (create_nesting_tree): Initialize them. (lookup_field_for_decl): Use field_map. (get_nonlocal_debug_decl, get_local_debug_decl): New. (convert_local_omp_clauses): New. (finalize_nesting_tree_1): Add debug_var_chain to toplevel block. (walk_body): Split out of walk_function. (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New. (convert_nonlocal_reference): Handle omp statements. (convert_local_reference): Likewise. (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1. (unnest_nesting_tree): New. (lower_nested_functions): Call it. (insert_field_into_struct): Make extern. (struct walk_stmt_info): Move to tree-gimple.h. (walk_stmts): Make extern. * omp-builtins.def: New file. * tree-iterator.c (expr_only): Clarify comment. * c-common.h (pushdecl_top_level, pushdecl, build_modify_expr, build_indirect_ref, c_finish_omp_master, c_finish_omp_critical, c_finish_omp_ordered, c_finish_omp_barrier, c_finish_omp_atomic, c_finish_omp_flush, c_finish_omp_for, c_split_parallel_clauses, omp_clause_default_kind, c_omp_sharing_predetermined, c_omp_remap_decl): Declare. * Makefile.in (BUILTINS_DEF): Add omp-builtins.def. (OBJS-common): Add omp-low.o. (c-omp.o, omp-low.o): Add. (gimplify.o): Add dependency on $(OPTABS_H). (GTFILES): Add omp-low.c. (gt-stringpool.h): Add. * tree-cfg.c (set_bb_for_stmt): Do not update the block-to-labels map if we are currently expanding to RTL. (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P checks. Handle IDENTIFIER_NODE. (tree_verify_flow_info): Do not ICE when emitting error messages about invalid labels. (dump_function_to_file): Reset CFUN before emitting the body of the function. (debug_function): New. * passes.c (init_optimization_passes): Schedule pass_lower_omp. * langhooks-def.h (lhd_omp_predetermined_sharing, lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes): Declare. (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define. (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it. (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE, LANG_HOOKS_OMP_PREDETERMINED_SHARING, LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR, LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE, LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR, LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, LANG_HOOKS_OMP_CLAUSE_DTOR): Define. (LANG_HOOK_DECLS): Use them. 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com> Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * c-parser.c (pragma_omp_clause): Define. (c_parser_declaration_or_fndef): Document OpenMP syntax. (c_parser_compound_statement): Likewise. (c_parser_statement): Likewise. (c_parser_pragma): Handle omp pragmas. (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK, OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define. (c_parser_omp_clause_name, check_no_duplicate_clause, c_parser_omp_variable_list, c_parser_omp_var_list_parens, c_parser_omp_clause_copyin, c_parser_omp_clause_copyprivate, c_parser_omp_clause_default, c_parser_omp_clause_firstprivate, c_parser_omp_clause_if, c_parser_omp_clause_lastprivate, c_parser_omp_clause_nowait, c_parser_omp_clause_num_threads, c_parser_omp_clause_ordered, c_parser_omp_clause_private, c_parser_omp_clause_reduction, c_parser_omp_clause_schedule, c_parser_omp_clause_shared, c_parser_omp_all_clauses, c_parser_omp_structured_block, c_parser_omp_atomic, c_parser_omp_barrier, c_parser_omp_critical, c_parser_omp_flush, c_parser_omp_for_loop, c_parser_omp_for, c_parser_omp_master, c_parser_omp_ordered, c_parser_omp_sections_scope, c_parser_omp_sections, c_parser_omp_parallel, c_parser_omp_single, c_parser_omp_construct, c_parser_omp_threadprivate): New. * c-pragma.c (init_pragma): Do omp pragma registration here. * c.opt (fopenmp): New flag. 2006-01-18 Eric Christopher <echristo@apple.com> * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif. * config/darwin.h (GOMP_SELF_SPECS): Define. testsuite/ 2006-01-18 Richard Henderson <rth@redhat.com> Aldy Hernandez <aldyh@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> Uros Bizjak <uros@kss-loka.si> * testsuite/gcc.dg/gomp: New directory. From-SVN: r109902
2006-01-18 20:21:25 +01:00
}
void
GOMP_parallel_start (void (*fn) (void *), void *data, unsigned num_threads)
{
c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805. * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805. * langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause. Add omp_private_outer_ref hook, add another argument to omp_clause_default_ctor hook. * langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define. (LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define. (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to hook_tree_tree_tree_tree_null. (LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and LANG_HOOKS_OMP_PRIVATE_OUTER_REF. * hooks.c (hook_tree_tree_tree_tree_null): New function. * hooks.h (hook_tree_tree_tree_tree_null): New prototype. * tree.def (OMP_TASK): New tree code. * tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN, OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT, OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES, OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY, OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG, OMP_CLAUSE_COLLAPSE_EXPR): Define. (enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. (OMP_DIRECTIVE_P): Add OMP_TASK. (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes. (OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind. * tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED entries. (omp_clause_num_ops): Likewise. Increase OMP_CLAUSE_LASTPRIVATE num_ops to 2. (walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Walk OMP_CLAUSE_LASTPRIVATE_STMT. * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. (dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops. * c-omp.c (c_finish_omp_for): Allow pointer iterators. Remove warning about unsigned iterators. Change decl/init/cond/incr arguments to TREE_VECs, check arguments for all collapsed loops. (c_finish_omp_taskwait): New function. (c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to ws_clauses. * c-parser.c (c_parser_omp_for_loop): Parse collapsed loops. Call default_function_array_conversion on init. Add par_clauses argument. If decl is present in parallel's lastprivate clause, change it to shared and add lastprivate clause for decl to OMP_FOR_CLAUSES. Add clauses argument, on success set OMP_FOR_CLAUSES to it. Look up collapse count in clauses. (c_parser_omp_for, c_parser_omp_parallel): Adjust c_parser_omp_for_loop callers. (OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE. (c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT. (c_parser_omp_clause_name): Handle collapse and untied clauses. (c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New functions. (c_parser_omp_clause_schedule): Handle schedule(auto). Include correct location in the error message. (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE and PRAGMA_OMP_CLAUSE_UNTIED. (OMP_TASK_CLAUSE_MASK): Define. (c_parser_omp_task, c_parser_omp_taskwait): New functions. (c_parser_omp_construct): Handle PRAGMA_OMP_TASK. * tree-nested.c (convert_nonlocal_omp_clauses, convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE, OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in OMP_CLAUSE_DECL. (conver_nonlocal_reference, convert_local_reference, convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL. Use OMP_TASKREG_* macros rather than OMP_PARALLEL_*. (walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes. * tree-gimple.c (is_gimple_stmt): Handle OMP_TASK. * c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes. * c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New. (PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New. * c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions. (c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. * c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas. * c-common.h (c_finish_omp_taskwait): New prototype. * gimple-low.c (lower_stmt): Handle OMP_TASK. * tree-parloops.c (create_parallel_loop): Create 1 entry vectors for OMP_FOR_{INIT,COND,INCR}. * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers. (make_edges): Handle OMP_TASK. * tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. * tree-inline.c (estimate_num_insns_1): Handle OMP_TASK. * builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR, BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New. * omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT, BUILT_IN_GOMP_LOOP_ULL_STATIC_START, BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ULL_GUIDED_START, BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins. * gimplify.c (gimplify_omp_for): Allow pointer type for decl, handle POINTER_PLUS_EXPR. If loop counter has been replaced and original iterator is present in lastprivate clause or if collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT. Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. (gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK. (enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF. (omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed, if it is set, lookup var in outer contexts too. Handle OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. Handle vars that are supposed to be implicitly determined firstprivate for task regions. (gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed, if it is set, lookup var in outer contexts too. Set OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set. Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Take region_type as last argument instead of in_parallel and in_combined_parallel. (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare): Adjust callers. (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set. Call omp_finish_clause langhook. (new_omp_context): Set default_kind to OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions. (omp_region_type): New enum. (struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel fields, add region_type. (new_omp_context): Take region_type as argument instead of is_parallel and is_combined_parallel. (gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable, omp_is_private, omp_check_private): Adjust ctx->is_parallel and ctx->is_combined_parallel checks. (gimplify_omp_task): New function. (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. * omp-low.c (extract_omp_for_data): Use schedule(static) for schedule(auto). Handle pointer and unsigned iterators. Compute fd->iter_type. Handle POINTER_PLUS_EXPR increments. Add loops argument. Extract data for collapsed OMP_FOR loops. (expand_parallel_call): Assert sched_kind isn't auto, map runtime schedule to index 3. (struct omp_for_data_loop): New type. (struct omp_for_data): Remove v, n1, n2, step, cond_code fields. Add loop, loops, collapse and iter_type fields. (workshare_safe_to_combine_p): Disallow combined for if iter_type is unsigned long long. Don't combine collapse > 1 loops unless all bounds and steps are constant. Adjust extract_omp_for_data caller. (expand_omp_for_generic): Handle pointer, unsigned and long long iterators. Handle collapsed OMP_FOR loops. Adjust for struct omp_for_data changes. If libgomp function doesn't return boolean_type_node, add comparison of the return value with 0. (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle pointer, unsigned and long long iterators. Adjust for struct omp_for_data changes. (expand_omp_for): Assert sched_kind isn't auto, map runtime schedule to index 3. Use GOMP_loop_ull*{start,next} if iter_type is unsigned long long. Allocate loops array, pass it to extract_omp_for_data. For collapse > 1 loops use always expand_omp_for_generic. (omp_context): Add sfield_map and srecord_type fields. (is_task_ctx, lookup_sfield): New functions. (use_pointer_for_field): Use is_task_ctx helper. Change first argument's type from const_tree to tree. Clarify comment. In OMP_TASK disallow copy-in/out sharing. (build_sender_ref): Call lookup_sfield instead of lookup_field. (install_var_field): Add mask argument. Populate both record_type and srecord_type if needed. (delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN in srecord_type. (fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT} and DECL_FIELD_OFFSET. (scan_sharing_clauses): Adjust install_var_field callers. For firstprivate clauses on explicit tasks allocate the var by value in record_type unconditionally, rather than by reference. Handle OMP_CLAUSE_PRIVATE_OUTER_REF. Scan OMP_CLAUSE_LASTPRIVATE_STMT. Use is_taskreg_ctx instead of is_parallel_ctx. Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. (create_omp_child_function_name): Add task_copy argument, use *_omp_cpyfn* names if it is true. (create_omp_child_function): Add task_copy argument, if true create *_omp_cpyfn* helper function. (scan_omp_parallel): Adjust create_omp_child_function callers. Rename parallel_nesting_level to taskreg_nesting_level. (scan_omp_task): New function. (lower_rec_input_clauses): Don't run constructors for firstprivate explicit task vars which are initialized by *_omp_cpyfn*. Pass outer var ref to omp_clause_default_ctor hook if OMP_CLAUSE_PRIVATE_OUTER_REF or OMP_CLAUSE_LASTPRIVATE. Replace OMP_CLAUSE_REDUCTION_PLACEHOLDER decls in OMP_CLAUSE_REDUCTION_INIT. (lower_send_clauses): Clear DECL_ABSTRACT_ORIGIN if in task to avoid duplicate setting of fields. Handle OMP_CLAUSE_PRIVATE_OUTER_REF. (lower_send_shared_vars): Use srecord_type if non-NULL. Don't copy-out if TREE_READONLY, only copy-in. (expand_task_copyfn): New function. (expand_task_call): New function. (struct omp_taskcopy_context): New type. (task_copyfn_copy_decl, task_copyfn_remap_type, create_task_copyfn): New functions. (lower_omp_parallel): Rename to... (lower_omp_taskreg): ... this. Use OMP_TASKREG_* macros where needed. Call create_task_copyfn if srecord_type is needed. Adjust sender_decl type. (task_shared_vars): New variable. (check_omp_nesting_restrictions): Warn if work-sharing, barrier, master or ordered region is closely nested inside OMP_TASK. Add warnings for barrier if closely nested inside of work-sharing, ordered, or master region. (scan_omp_1): Call check_omp_nesting_restrictions even for GOMP_barrier calls. Rename parallel_nesting_level to taskreg_nesting_level. Handle OMP_TASK. (lower_lastprivate_clauses): Even if some lastprivate is found on a work-sharing construct, continue looking for them on parent parallel construct. (lower_omp_for_lastprivate): Add lastprivate clauses to the beginning of dlist rather than end. Adjust for struct omp_for_data changes. (lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY, not after it. Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller. (get_ws_args_for): Adjust extract_omp_for_data caller. (scan_omp_for): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. (lower_omp_single_simple): If libgomp function doesn't return boolean_type_node, add comparison of the return value with 0. (diagnose_sb_1, diagnose_sb_2): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. Handle OMP_TASK. (parallel_nesting_level): Rename to... (taskreg_nesting_level): ... this. (is_taskreg_ctx): New function. (build_outer_var_ref, omp_copy_decl): Use is_taskreg_ctx instead of is_parallel_ctx. (execute_lower_omp): Rename parallel_nesting_level to taskreg_nesting_level. (expand_omp_parallel): Rename to... (expand_omp_taskreg): ... this. Use OMP_TASKREG_* macros where needed. Call omp_task_call for OMP_TASK regions. (expand_omp): Adjust caller, handle OMP_TASK. (lower_omp_1): Adjust lower_omp_taskreg caller, handle OMP_TASK. * bitmap.c (bitmap_default_obstack_depth): New variable. (bitmap_obstack_initialize, bitmap_obstack_release): Do nothing if argument is NULL and bitmap_default_obstack is already initialized. * ipa-struct-reorg.c (do_reorg_1): Call bitmap_obstack_release at the end. * matrix-reorg.c (matrix_reorg): Likewise. cp/ * cp-tree.h (cxx_omp_finish_clause, cxx_omp_create_clause_info, dependent_omp_for_p, begin_omp_task, finish_omp_task, finish_omp_taskwait): New prototypes. (cxx_omp_clause_default_ctor): Add outer argument. (finish_omp_for): Add new clauses argument. * cp-gimplify.c (cxx_omp_finish_clause): New function. (cxx_omp_predetermined_sharing): Moved from semantics.c, rewritten. (cxx_omp_clause_default_ctor): Add outer argument. (cp_genericize_r): Walk OMP_CLAUSE_LASTPRIVATE_STMT. * cp-objcp-common.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define. * parser.c (cp_parser_omp_for_loop): Parse collapsed for loops. Add par_clauses argument. If decl is present in parallel's lastprivate clause, change that clause to shared and add a lastprivate clause for decl to OMP_FOR_CLAUSES. Fix wording of error messages. Adjust finish_omp_for caller. Add clauses argument. Parse loops with random access iterators. (cp_parser_omp_clause_collapse, cp_parser_omp_clause_untied): New functions. (cp_parser_omp_for, cp_parser_omp_parallel): Adjust cp_parser_omp_for_loop callers. (cp_parser_omp_for_cond, cp_parser_omp_for_incr): New helper functions. (cp_parser_omp_clause_name): Handle collapse and untied clauses. (cp_parser_omp_clause_schedule): Handle auto schedule. (cp_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE and PRAGMA_OMP_CLAUSE_UNTIED. (OMP_FOR_CLAUSE_MASK): Add PRAGMA_OMP_CLAUSE_COLLAPSE. (OMP_TASK_CLAUSE_MASK): Define. (cp_parser_omp_task, cp_parser_omp_taskwait): New functions. (cp_parser_omp_construct): Handle PRAGMA_OMP_TASK. (cp_parser_pragma): Handle PRAGMA_OMP_TASK and PRAGMA_OMP_TASKWAIT. * pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Handle OMP_CLAUSE_LASTPRIVATE_STMT. (tsubst_omp_for_iterator): New function. (dependent_omp_for_p): New function. (tsubst_expr) <case OMP_FOR>: Use it. Handle collapsed OMP_FOR loops. Adjust finish_omp_for caller. Handle loops with random access iterators. Adjust for OMP_FOR_{INIT,COND,INCR} changes. (tsubst_expr): Handle OMP_TASK. * semantics.c (cxx_omp_create_clause_info): New function. (finish_omp_clauses): Call it. Handle OMP_CLAUSE_UNTIED and OMP_CLAUSE_COLLAPSE. (cxx_omp_predetermined_sharing): Removed. * semantics.c (finish_omp_for): Allow pointer iterators. Use handle_omp_for_class_iterator and dependent_omp_for_p. Handle collapsed for loops. Adjust c_finish_omp_for caller. Add new clauses argument. Fix check for type dependent cond or incr. Set OMP_FOR_CLAUSES to clauses. Use cp_convert instead of fold_convert to convert incr amount to difference_type. Only fold if not in template. If decl is mentioned in lastprivate clause, set OMP_CLAUSE_LASTPRIVATE_STMT. Handle loops with random access iterators. Adjust for OMP_FOR_{INIT,COND,INCR} changes. (finish_omp_threadprivate): Allow static class members of the current class. (handle_omp_for_class_iterator, begin_omp_task, finish_omp_task, finish_omp_taskwait): New functions. * parser.c (cp_parser_binary_expression): Add prec argument. (cp_parser_assignment_expression): Adjust caller. * cp-tree.h (outer_curly_brace_block): New prototype. * decl.c (outer_curly_brace_block): No longer static. fortran/ * scanner.c (skip_free_comments, skip_fixed_comments): Handle tabs. * parse.c (next_free): Allow tab after !$omp. (decode_omp_directive): Handle !$omp task, !$omp taskwait and !$omp end task. (case_executable): Add ST_OMP_TASKWAIT. (case_exec_markers): Add ST_OMP_TASK. (gfc_ascii_statement): Handle ST_OMP_TASK, ST_OMP_END_TASK and ST_OMP_TASKWAIT. (parse_omp_structured_block, parse_executable): Handle ST_OMP_TASK. * gfortran.h (gfc_find_sym_in_expr): New prototype. (gfc_statement): Add ST_OMP_TASK, ST_OMP_END_TASK and ST_OMP_TASKWAIT. (gfc_omp_clauses): Add OMP_SCHED_AUTO to sched_kind, OMP_DEFAULT_FIRSTPRIVATE to default_sharing. Add collapse and untied fields. (gfc_exec_op): Add EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * f95-lang.c (LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, LANG_HOOKS_OMP_CLAUSE_DTOR, LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define. * trans.h (gfc_omp_clause_default_ctor): Add another argument. (gfc_omp_clause_copy_ctor, gfc_omp_clause_assign_op, gfc_omp_clause_dtor, gfc_omp_private_outer_ref): New prototypes. * types.def (BT_ULONGLONG, BT_PTR_ULONGLONG, BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_VOID_PTR_PTR, BT_PTR_FN_VOID_PTR_PTR, BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New. (BT_BOOL): Use integer type with BOOL_TYPE_SIZE rather than boolean_type_node. * dump-parse-tree.c (gfc_show_omp_node): Handle EXEC_OMP_TASK, EXEC_OMP_TASKWAIT, OMP_SCHED_AUTO, OMP_DEFAULT_FIRSTPRIVATE, untied and collapse clauses. (gfc_show_code_node): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * trans.c (gfc_trans_code): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * st.c (gfc_free_statement): Likewise. * resolve.c (gfc_resolve_blocks, resolve_code): Likewise. (find_sym_in_expr): Rename to... (gfc_find_sym_in_expr): ... this. No longer static. (resolve_allocate_expr, resolve_ordinary_assign): Adjust caller. * match.h (gfc_match_omp_task, gfc_match_omp_taskwait): New prototypes. * openmp.c (resolve_omp_clauses): Allow allocatable arrays in firstprivate, lastprivate, reduction, copyprivate and copyin clauses. (omp_current_do_code): Made static. (omp_current_do_collapse): New variable. (gfc_resolve_omp_do_blocks): Compute omp_current_do_collapse, clear omp_current_do_code and omp_current_do_collapse on return. (gfc_resolve_do_iterator): Handle collapsed do loops. (resolve_omp_do): Likewise, diagnose errorneous collapsed do loops. (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): Define. (gfc_match_omp_clauses): Handle default (firstprivate), schedule (auto), untied and collapse (n) clauses. (OMP_DO_CLAUSES): Add OMP_CLAUSE_COLLAPSE. (OMP_TASK_CLAUSES): Define. (gfc_match_omp_task, gfc_match_omp_taskwait): New functions. * trans-openmp.c (gfc_omp_private_outer_ref): New function. (gfc_omp_clause_default_ctor): Add outer argument. For allocatable arrays allocate them with the bounds of the outer var if outer var is allocated. (gfc_omp_clause_copy_ctor, gfc_omp_clause_assign_op, gfc_omp_clause_dtor): New functions. (gfc_trans_omp_array_reduction): If decl is allocatable array, allocate it with outer var's bounds in OMP_CLAUSE_REDUCTION_INIT and deallocate it in OMP_CLAUSE_REDUCTION_MERGE. (gfc_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED for assumed-size arrays. (gfc_trans_omp_do): Add par_clauses argument. If dovar is present in lastprivate clause and do loop isn't simple, set OMP_CLAUSE_LASTPRIVATE_STMT. If dovar is present in parallel's lastprivate clause, change it to shared and add lastprivate clause to OMP_FOR_CLAUSES. Handle collapsed do loops. (gfc_trans_omp_directive): Adjust gfc_trans_omp_do callers. (gfc_trans_omp_parallel_do): Likewise. Move collapse clause to OMP_FOR from OMP_PARALLEL. (gfc_trans_omp_clauses): Handle OMP_SCHED_AUTO, OMP_DEFAULT_FIRSTPRIVATE, untied and collapse clauses. (gfc_trans_omp_task, gfc_trans_omp_taskwait): New functions. (gfc_trans_omp_directive): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. gcc/testsuite/ * gcc.dg/gomp/collapse-1.c: New test. * gcc.dg/gomp/nesting-1.c: New test. * g++.dg/gomp/task-1.C: New test. * g++.dg/gomp/predetermined-1.C: New test. * g++.dg/gomp/tls-4.C: New test. * gfortran.dg/gomp/collapse1.f90: New test. * gfortran.dg/gomp/sharing-3.f90: New test. * gcc.dg/gomp/pr27499.c (foo): Remove is unsigned dg-warning. * g++.dg/gomp/pr27499.C (foo): Likewise. * g++.dg/gomp/for-16.C (foo): Likewise. * g++.dg/gomp/tls-3.C: Remove dg-error, add S::s definition. * g++.dg/gomp/pr34607.C: Adjust dg-error location. * g++.dg/gomp/for-16.C (foo): Add a new dg-error. * gcc.dg/gomp/appendix-a/a.35.4.c: Add dg-warning. * gcc.dg/gomp/appendix-a/a.35.6.c: Likewise. * gfortran.dg/gomp/appendix-a/a.35.4.f90: Likewise. * gfortran.dg/gomp/appendix-a/a.35.6.f90: Likewise. * gfortran.dg/gomp/omp_parse1.f90: Remove !$omp tab test. * gfortran.dg/gomp/appendix-a/a.33.4.f90: Remove dg-error about allocatable array. * gfortran.dg/gomp/reduction1.f90: Likewise. libgomp/ * configure.ac (LIBGOMP_GNU_SYMBOL_VERSIONING): New AC_DEFINE. Substitute also OMP_*LOCK_25*. * configure: Regenerated. * config.h.in: Regenerated. * Makefile.am (libgomp_la_SOURCES): Add loop_ull.c, iter_ull.c, ptrlock.c and task.c. * Makefile.in: Regenerated. * testsuite/Makefile.in: Regenerated. * task.c: New file. * loop_ull.c: New file. * iter_ull.c: New file. * libgomp.h: Include ptrlock.h. (enum gomp_task_kind): New type. (struct gomp_team): Add task_lock, task_queue, task_count, task_running_count, single_count fields. Add work_share_list_free_lock ifndef HAVE_SYNC_BUILTINS. Remove work_share_lock, generation_mask, oldest_live_gen, num_live_gen and init_work_shares fields, add work work_share_list_alloc, work_share_list_free and work_share_chunk fields. Change work_shares from pointer to pointers into an array. Change ordered_release field into gomp_sem_t ** from flexible array member. Add implicit_task and initial_work_shares fields. Move close to the end of the struct. (struct gomp_team_state): Add single_count, last_work_share, active_level and level fields, remove work_share_generation. (gomp_barrier_handle_tasks): New prototype. (gomp_finish_task): New inline function. (struct gomp_work_share): Move chunk_size, end, incr into transparent union/struct, add chunk_size_ull, end_ll, incr_ll and next_ll fields. Reshuffle fields. Add next_alloc, next_ws, next_free and inline_ordered_team_ids fields, change ordered_team_ids into pointer from flexible array member. Add mode field. Put lock and next into a different cache line from most of the write-once fields. (gomp_iter_ull_static_next, gomp_iter_ull_dynamic_next_locked, gomp_iter_ull_guided_next_locked, gomp_iter_ull_dynamic_next, gomp_iter_ull_guided_next): New prototypes. (gomp_new_icv): New prototype. (struct gomp_thread): Add thread_pool and task fields. (struct gomp_thread_pool): New type. (gomp_new_team): New prototype. (gomp_team_start): Change type of last argument. (gomp_new_work_share): Removed. (gomp_init_work_share, gomp_fini_work_share): New prototypes. (gomp_work_share_init_done): New static inline. (gomp_throttled_spin_count_var, gomp_available_cpus, gomp_managed_threads): New extern decls. (gomp_init_task): New prototype. (gomp_spin_count_var): New extern var decl. (LIBGOMP_GNU_SYMBOL_VERSIONING): Undef if no visibility or no alias support, or if not PIC. (gomp_init_lock_30, gomp_destroy_lock_30, gomp_set_lock_30, gomp_unset_lock_30, gomp_test_lock_30, gomp_init_nest_lock_30, gomp_destroy_nest_lock_30, gomp_set_nest_lock_30, gomp_unset_nest_lock_30, gomp_test_nest_lock_30, gomp_init_lock_25, gomp_destroy_lock_25, gomp_set_lock_25, gomp_unset_lock_25, gomp_test_lock_25, gomp_init_nest_lock_25, gomp_destroy_nest_lock_25, gomp_set_nest_lock_25, gomp_unset_nest_lock_25, gomp_test_nest_lock_25): New prototypes. (omp_lock_symver, strong_alias): Define. (gomp_remaining_threads_count, gomp_remaining_threads_lock): New decls. (gomp_end_task): New. (struct gomp_task_icv, gomp_global_icv): New. (gomp_thread_limit_var, gomp_max_active_levels_var): New. (struct gomp_task): New. (gomp_nthreads_var, gomp_dyn_var, gomp_nest_var, gomp_run_sched_var, gomp_run_sched_chunk): Remove. (gomp_icv): New. (gomp_schedule_type): Reorder enum to match omp_sched_t. * team.c (struct gomp_thread_start_data): Add thread_pool and task fields. (gomp_thread_start): Add gomp_team_barrier_wait call. For non-nested case remove clearing of docked thread thr fields. Use pool fields instead of global gomp_* variables. Use gomp_barrier_wait_last when needed. Initialize ts.active_level. Create tasks for each member thread. (free_team): Only destroy team barrier, task_lock here and free it. (gomp_free_thread): Free last_team if non-NULL. (gomp_team_end): Call gomp_team_barrier_wait instead of gomp_barrier_wait. For nested case call one extra gomp_barrier_wait. Move here some destruction from free_team. Call free_team on pool->last_team if any, rather than freeing current team. Destroy work_share_list_free_lock ifndef HAVE_SYNC_BUILTINS. (gomp_new_icv): New function. (gomp_threads, gomp_threads_size, gomp_threads_used, gomp_threads_dock): Removed. (gomp_thread_destructor): New variable. (gomp_new_thread_pool, gomp_free_pool_helper, gomp_free_thread): New functions. (gomp_team_start): Create new pool if current thread doesn't have one. Use pool fields instead of global gomp_* variables. Initialize thread_pool field for new threads. Clear single_count. Change last argument from ws to team, don't create new team, set ts.work_share to &team->work_shares[0] and clear ts.last_work_share. Don't clear ts.work_share_generation. If number of threads changed, adjust atomically gomp_managed_threads. Use gomp_init_task instead of gomp_new_task, set thr->task to the corresponding implicit_task array entry. Create tasks for each member thread. Initialize ts.level. (initialize_team): Call pthread_key_create on gomp_thread_destructor. (team_destructor): New function. (new_team): Removed. (gomp_new_team): New function. (free_team): Free gomp_work_share blocks chained through next_alloc, instead of freeing work_shares and destroying work_share_lock. (gomp_team_end): Call gomp_fini_work_share. If number of threads changed, adjust atomically gomp_managed_threads. Use gomp_end_task. * barrier.c (GOMP_barrier): Call gomp_team_barrier_wait instead of gomp_barrier_wait. * single.c (GOMP_single_copy_start): Call gomp_team_barrier_wait instead of gomp_barrier_wait. Call gomp_work_share_init_done if gomp_work_share_start returned true. Don't unlock ws->lock. (GOMP_single_copy_end): Call gomp_team_barrier_wait instead of gomp_barrier_wait. (GOMP_single_start): Rewritten if HAVE_SYNC_BUILTINS. Call gomp_work_share_init_done if gomp_work_share_start returned true. Don't unlock ws->lock. * work.c: Include stddef.h. (free_work_share): Use work_share_list_free_lock instead of atomic chaining ifndef HAVE_SYNC_BUILTINS. Add team argument. Call gomp_fini_work_share and then either free ws if orphaned, or put it into work_share_list_free list of the current team. (alloc_work_share, gomp_init_work_share, gomp_fini_work_share): New functions. (gomp_work_share_start, gomp_work_share_end, gomp_work_share_end_nowait): Rewritten. * omp_lib.f90.in Change some tabs to spaces to prevent warnings. (openmp_version): Set to 200805. (omp_sched_kind, omp_sched_static, omp_sched_dynamic, omp_sched_guided, omp_sched_auto): New parameters. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New interfaces. * omp_lib.h.in (openmp_version): Set to 200805. (omp_sched_kind, omp_sched_static, omp_sched_dynamic, omp_sched_guided, omp_sched_auto): New parameters. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New externals. * loop.c: Include limits.h. (GOMP_loop_runtime_next, GOMP_loop_ordered_runtime_next): Handle GFS_AUTO. (GOMP_loop_runtime_start, GOMP_loop_ordered_runtime_start): Likewise. Use gomp_icv. (gomp_loop_static_start, gomp_loop_dynamic_start): Clear ts.static_trip here. (gomp_loop_static_start, gomp_loop_ordered_static_start): Call gomp_work_share_init_done after gomp_loop_init. Don't unlock ws->lock. (gomp_loop_dynamic_start, gomp_loop_guided_start): Call gomp_work_share_init_done after gomp_loop_init. If HAVE_SYNC_BUILTINS, don't unlock ws->lock, otherwise lock it. (gomp_loop_ordered_dynamic_start, gomp_loop_ordered_guided_start): Call gomp_work_share_init_done after gomp_loop_init. Lock ws->lock. (gomp_parallel_loop_start): Call gomp_new_team instead of gomp_new_work_share. Call gomp_loop_init on &team->work_shares[0]. Adjust gomp_team_start caller. Pass 0 as second argument to gomp_resolve_num_threads. (gomp_loop_init): For GFS_DYNAMIC, multiply ws->chunk_size by incr. If adding ws->chunk_size nthreads + 1 times after end won't overflow, set ws->mode to 1. * libgomp_g.h (GOMP_loop_ull_static_start, GOMP_loop_ull_dynamic_start, GOMP_loop_ull_guided_start, GOMP_loop_ull_runtime_start, GOMP_loop_ull_ordered_static_start, GOMP_loop_ull_ordered_dynamic_start, GOMP_loop_ull_ordered_guided_start, GOMP_loop_ull_ordered_runtime_start, GOMP_loop_ull_static_next, GOMP_loop_ull_dynamic_next, GOMP_loop_ull_guided_next, GOMP_loop_ull_runtime_next, GOMP_loop_ull_ordered_static_next, GOMP_loop_ull_ordered_dynamic_next, GOMP_loop_ull_ordered_guided_next, GOMP_loop_ull_ordered_runtime_next, GOMP_task, GOMP_taskwait): New prototypes. * libgomp.map: Export lock routines also @@OMP_2.0. (GOMP_loop_ordered_dynamic_first, GOMP_loop_ordered_guided_first, GOMP_loop_ordered_runtime_first, GOMP_loop_ordered_static_first): Remove. (GOMP_loop_ull_dynamic_next, GOMP_loop_ull_dynamic_start, GOMP_loop_ull_guided_next, GOMP_loop_ull_guided_start, GOMP_loop_ull_ordered_dynamic_next, GOMP_loop_ull_ordered_dynamic_start, GOMP_loop_ull_ordered_guided_next, GOMP_loop_ull_ordered_guided_start, GOMP_loop_ull_ordered_runtime_next, GOMP_loop_ull_ordered_runtime_start, GOMP_loop_ull_ordered_static_next, GOMP_loop_ull_ordered_static_start, GOMP_loop_ull_runtime_next, GOMP_loop_ull_runtime_start, GOMP_loop_ull_static_next, GOMP_loop_ull_static_start, GOMP_task, GOMP_taskwait): Export @@GOMP_2.0. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level, omp_set_schedule_, omp_set_schedule_8_, omp_get_schedule_, omp_get_schedule_8_, omp_get_thread_limit_, omp_set_max_active_levels_, omp_set_max_active_levels_8_, omp_get_max_active_levels_, omp_get_level_, omp_get_ancestor_thread_num_, omp_get_ancestor_thread_num_8_, omp_get_team_size_, omp_get_team_size_8_, omp_get_active_level_): New exports @@OMP_3.0. * omp.h.in (omp_sched_t): New type. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New prototypes. * env.c (gomp_spin_count_var, gomp_throttled_spin_count_var, gomp_available_cpus, gomp_managed_threads, gomp_max_active_levels_var, gomp_thread_limit_var, gomp_remaining_threads_count, gomp_remaining_threads_lock): New variables. (parse_spincount): New function. (initialize_env): Call gomp_init_num_threads unconditionally. Initialize gomp_available_cpus. Call parse_spincount, initialize gomp_{,throttled_}spin_count_var depending on presence and value of OMP_WAIT_POLICY and GOMP_SPINCOUNT env vars. Handle GOMP_BLOCKTIME env var. Handle OMP_WAIT_POLICY, OMP_MAX_ACTIVE_LEVELS, OMP_THREAD_LIMIT, OMP_STACKSIZE env vars. Handle unit specification for GOMP_STACKSIZE. Initialize gomp_remaining_threads_count and gomp_remaining_threads_lock if needed. Use gomp_global_icv. (gomp_nthreads_var, gomp_dyn_var, gomp_nest_var, gomp_run_sched_var, gomp_run_sched_chunk): Remove. (gomp_global_icv): New. (parse_schedule): Use it. Parse "auto". (omp_set_num_threads): Use gomp_icv. (omp_set_dynamic, omp_get_dynamic, omp_set_nested, omp_get_nested): Likewise. (omp_get_max_threads): Move from parallel.c. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels): New functions, add ialias. (parse_stacksize, parse_wait_policy): New functions. * fortran.c: Rewrite lock wrappers, if symbol versioning provide both wrappers for compatibility and new locks. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New ialias_redirect. (omp_set_schedule_, omp_set_schedule_8_, omp_get_schedule_, omp_get_schedule_8_, omp_get_thread_limit_, omp_set_max_active_levels_, omp_set_max_active_levels_8_, omp_get_max_active_levels_, omp_get_level_, omp_get_ancestor_thread_num_, omp_get_ancestor_thread_num_8_, omp_get_team_size_, omp_get_team_size_8_, omp_get_active_level_): New functions. * parallel.c: Include limits.h. (gomp_resolve_num_threads): Add count argument. Rewritten. (GOMP_parallel_start): Call gomp_new_team and pass that as last argument to gomp_team_start. Pass 0 as second argument to gomp_resolve_num_threads. (GOMP_parallel_end): Decrease gomp_remaining_threads_count if gomp_thread_limit_var != ULONG_MAX. (omp_in_parallel): Implement using ts.active_level. (omp_get_max_threads): Move to env.c. (omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New functions, add ialias. * sections.c (GOMP_sections_start): Call gomp_work_share_init_done after gomp_sections_init. If HAVE_SYNC_BUILTINS, call gomp_iter_dynamic_next instead of the _locked variant and don't take lock around it, otherwise acquire it before calling gomp_iter_dynamic_next_locked. (GOMP_sections_next): If HAVE_SYNC_BUILTINS, call gomp_iter_dynamic_next instead of the _locked variant and don't take lock around it. (GOMP_parallel_sections_start): Call gomp_new_team instead of gomp_new_work_share. Call gomp_sections_init on &team->work_shares[0]. Adjust gomp_team_start caller. Pass count as second argument to gomp_resolve_num_threads, don't adjust num_threads after the call. Use gomp_icv. * iter.c (gomp_iter_dynamic_next_locked): Don't multiply ws->chunk_size by incr. (gomp_iter_dynamic_next): Likewise. If ws->mode, use more efficient code. * libgomp_f.h.in (omp_lock_25_arg_t, omp_nest_lock_25_arg_t): New types. (omp_lock_25_arg, omp_nest_lock_25_arg): New macros. (omp_check_defines): Check even the compat defines. * config/linux/ptrlock.c: New file. * config/linux/ptrlock.h: New file. * config/linux/wait.h: New file. * config/posix/ptrlock.c: New file. * config/posix/ptrlock.h: New file. * config/linux/bar.h (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New prototypes. (gomp_team_barrier_set_task_pending, gomp_team_barrier_clear_task_pending, gomp_team_barrier_set_waiting_for_tasks, gomp_team_barrier_waiting_for_tasks, gomp_team_barrier_done): New inlines. (gomp_barrier_t): Rewritten. (gomp_barrier_state_t): New typedef. (gomp_barrier_init, gomp_barrier_reinit, gomp_barrier_destroy, gomp_barrier_wait_start): Rewritten. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_barrier_last_thread, gomp_barrier_wait_last): New static inlines. * config/linux/bar.c: Include wait.h instead of libgomp.h and futex.h. (gomp_barrier_wait_end): Rewritten. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake, gomp_barrier_wait_last): New functions. * config/posix/bar.h (gomp_barrier_t): Add generation field. (gomp_barrier_state_t): New typedef. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New prototypes. (gomp_barrier_wait_start): Or all but low 2 bits from generation into the return value. Return gomp_barrier_state_t. (gomp_team_barrier_set_task_pending, gomp_team_barrier_clear_task_pending, gomp_team_barrier_set_waiting_for_tasks, gomp_team_barrier_waiting_for_tasks, gomp_team_barrier_done): New inlines. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_barrier_last_thread, gomp_barrier_wait_last): New static inlines. * config/posix/bar.c (gomp_barrier_init): Clear generation field. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New functions. * config/linux/mutex.c: Include wait.h instead of libgomp.h and futex.h. (gomp_futex_wake, gomp_futex_wait): New variables. (gomp_mutex_lock_slow): Call do_wait instead of futex_wait. * config/linux/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. Include wait.h instead of libgomp.h and futex.h. (gomp_set_nest_lock_25): Call do_wait instead of futex_wait. * config/posix95/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. * config/posix/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. * config/linux/proc.c (gomp_init_num_threads): Use gomp_global_icv. (get_num_procs, gomp_dynamic_max_threads): Use gomp_icv. * config/posix/proc.c, config/mingw32/proc.c: Similarly. * config/linux/powerpc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/alpha/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/x86/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/s390/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/ia64/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/sparc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/sem.c: Include wait.h instead of libgomp.h and futex.h. (gomp_sem_wait_slow): Call do_wait instead of futex_wait. * config/linux/affinity.c: Assume HAVE_SYNC_BUILTINS. * config/linux/omp-lock.h (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_nest_lock_t): Change owner into void *, add lock field. * config/posix95/omp-lock.h: Include semaphore.h. (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_lock_t): Use sem_t instead of mutex if semaphores aren't broken. (omp_nest_lock_t): Likewise. Change owner to void *. * config/posix/omp-lock.h: Include semaphore.h. (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_lock_t): Use sem_t instead of mutex if semaphores aren't broken. (omp_nest_lock_t): Likewise. Add owner field. * testsuite/libgomp.c/collapse-1.c: New test. * testsuite/libgomp.c/collapse-2.c: New test. * testsuite/libgomp.c/collapse-3.c: New test. * testsuite/libgomp.c/icv-1.c: New test. * testsuite/libgomp.c/icv-2.c: New test. * testsuite/libgomp.c/lib-2.c: New test. * testsuite/libgomp.c/lock-1.c: New test. * testsuite/libgomp.c/lock-2.c: New test. * testsuite/libgomp.c/lock-3.c: New test. * testsuite/libgomp.c/loop-4.c: New test. * testsuite/libgomp.c/loop-5.c: New test. * testsuite/libgomp.c/loop-6.c: New test. * testsuite/libgomp.c/loop-7.c: New test. * testsuite/libgomp.c/loop-8.c: New test. * testsuite/libgomp.c/loop-9.c: New test. * testsuite/libgomp.c/nested-3.c: New test. * testsuite/libgomp.c/nestedfn-6.c: New test. * testsuite/libgomp.c/sort-1.c: New test. * testsuite/libgomp.c/task-1.c: New test. * testsuite/libgomp.c/task-2.c: New test. * testsuite/libgomp.c/task-3.c: New test. * testsuite/libgomp.c/task-4.c: New test. * testsuite/libgomp.c++/c++.exp: Add libstdc++-v3 build includes to C++ testsuite default compiler options. * testsuite/libgomp.c++/collapse-1.C: New test. * testsuite/libgomp.c++/collapse-2.C: New test. * testsuite/libgomp.c++/ctor-10.C: New test. * testsuite/libgomp.c++/for-1.C: New test. * testsuite/libgomp.c++/for-2.C: New test. * testsuite/libgomp.c++/for-3.C: New test. * testsuite/libgomp.c++/for-4.C: New test. * testsuite/libgomp.c++/for-5.C: New test. * testsuite/libgomp.c++/loop-8.C: New test. * testsuite/libgomp.c++/loop-9.C: New test. * testsuite/libgomp.c++/loop-10.C: New test. * testsuite/libgomp.c++/task-1.C: New test. * testsuite/libgomp.c++/task-2.C: New test. * testsuite/libgomp.c++/task-3.C: New test. * testsuite/libgomp.c++/task-4.C: New test. * testsuite/libgomp.c++/task-5.C: New test. * testsuite/libgomp.c++/task-6.C: New test. * testsuite/libgomp.fortran/allocatable1.f90: New test. * testsuite/libgomp.fortran/allocatable2.f90: New test. * testsuite/libgomp.fortran/allocatable3.f90: New test. * testsuite/libgomp.fortran/allocatable4.f90: New test. * testsuite/libgomp.fortran/collapse1.f90: New test. * testsuite/libgomp.fortran/collapse2.f90: New test. * testsuite/libgomp.fortran/collapse3.f90: New test. * testsuite/libgomp.fortran/collapse4.f90: New test. * testsuite/libgomp.fortran/lastprivate1.f90: New test. * testsuite/libgomp.fortran/lastprivate2.f90: New test. * testsuite/libgomp.fortran/lib4.f90: New test. * testsuite/libgomp.fortran/lock-1.f90: New test. * testsuite/libgomp.fortran/lock-2.f90: New test. * testsuite/libgomp.fortran/nested1.f90: New test. * testsuite/libgomp.fortran/nestedfn4.f90: New test. * testsuite/libgomp.fortran/strassen.f90: New test. * testsuite/libgomp.fortran/tabs1.f90: New test. * testsuite/libgomp.fortran/tabs2.f: New test. * testsuite/libgomp.fortran/task1.f90: New test. * testsuite/libgomp.fortran/task2.f90: New test. * testsuite/libgomp.fortran/vla4.f90: Add dg-warning. * testsuite/libgomp.fortran/vla5.f90: Likewise. * testsuite/libgomp.c/pr26943-2.c: Likewise. * testsuite/libgomp.c/pr26943-3.c: Likewise. * testsuite/libgomp.c/pr26943-4.c: Likewise. Co-Authored-By: Jakob Blomer <jakob.blomer@ira.uka.de> Co-Authored-By: Richard Henderson <rth@redhat.com> Co-Authored-By: Ulrich Drepper <drepper@redhat.com> From-SVN: r136433
2008-06-06 15:01:54 +02:00
num_threads = gomp_resolve_num_threads (num_threads, 0);
gomp_team_start (fn, data, num_threads, gomp_new_team (num_threads));
[multiple changes] 2006-01-18 Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * libgomp: New directory. * Makefile.def: Add target_module libgomp. * Makefile.in: Regenerate. * configure.in (target_libraries): Add target-libgomp. * configure: Regenerate. contrib/ 2006-01-18 Richard Henderson <rth@redhat.com> Diego Novillo <dnovillo@redhat.com> * gcc_update (files_and_dependencies): Add libgomp files. gcc/ 2006-01-18 Richard Henderson <rth@redhat.com> Aldy Hernandez <aldyh@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * omp-low.c: New file. * c-omp.c: New file. 2006-01-18 Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * doc/invoke.texi: Document -fopenmp. * tree-dump.h (debug_function): Declare. * hooks.c (hook_bool_tree_bool_false): New function. (hook_tree_tree_null): Remove. (hook_tree_tree_tree_null): New. * hooks.h: Update to match. * tree-pretty-print.c (debug_tree_chain): New. (print_generic_expr): Handle TDF_CHAIN. (dump_generic_node): Handle BLOCK. Do not abort with incomplete SWITCH_EXPRs. Do not dump body of an OpenMP directive if TDF_SLIM is given. <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't print space after directive name. <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY. Handle OMP_MASTER and OMP_ORDERED. Handle printing of OMP_BODY just in one place, goto dump_omp_body in the rest of OMP_* nodes that have OMP_BODY. Don't handle clause nodes here. Update omp statements to use dump_omp_clauses. Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION, OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC, OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF, GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED, GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE, GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE. Adjust output for GOMP_PARALLEL. (dump_omp_clauses): New. (print_declaration): Dump DECL_VALUE_EXPR. (op_symbol_1): Split out of op_symbol. (dumping_stmts): Remove. Update all users. * cgraph.c (cgraph_analyze_queue): New. (cgraph_add_new_function): New. * cgraph.h (cgraph_analyze_queue): Declare. (cgraph_add_new_function): Declare. (cgraph_lower_function): Remove. * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_* nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS and TYPE_P nodes in its default clause. (empty_body_p): New. (tree_range_check_failed): New. (build5_stat): New. * tree.h (OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE, OMP_CLAUSE_REDUCTION_PLACEHOLDER, OMP_CLAUSE_PRIVATE_DEBUG, OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY, OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY, OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND, OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL, OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR, OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT, OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT, OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC, OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST, OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY, OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY, OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New. (TREE_RANGE_CHECK): New. (empty_body_p): Declare. (enum omp_clause_default_kind): New. (build_string_literal): Declare. (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New. (build5_stat, build5): Declare. * tree-pass.h (TDF_CHAIN): Define. * tree-pass.h (PROP_gimple_lomp): Define. (pass_lower_omp): Declare. * diagnostic.h (debug_tree_chain): Declare. * builtins.c (get_builtin_sync_mode): Use 0 as last argument to mode_for_size. (expand_builtin): Handle sync BUILT_IN_*_16 builtins. * builtins.c (build_string_literal): Make extern. * gcc.c (include_spec_function): New. (static_spec_functions): Add it. (main): Move load of libgomp.spec ... (LINK_COMMAND_SPEC): ... here. (link_gomp_spec): New. (static_specs): Include it. (LINK_COMMAND_SPEC): Add link_gomp. (GOMP_SELF_SPECS): New. (driver_self_specs): Include it. (switch_matches): Don't mark inline. (main): Load libgomp.spec. * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION, and OMP_SINGLE, OMP_FOR and OMP_PARALLEL. * tree-gimple.h (enum omp_parallel): Declare. (determine_parallel_type): Declare. (omp_firstprivatize_variable): Declare. (omp_reduction_init): Declare. (diagnose_omp_structured_block_errors): Declare. (struct walk_stmt_info): Add want_return_expr. (struct walk_stmt_info): Add want_bind_expr, want_locations. (find_omp_clause): Declare. (insert_field_into_struct): Declare. (struct walk_stmt_info): Move from tree-nested.c (walk_stmts): Declare. * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP to 200505. * cgraphunit.c (cgraph_lower_function): Make static. (cgraph_finalize_pending_functions): New. (cgraph_finalize_function): Call it. (cgraph_finalize_compilation_unit): Likewise. * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16, BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add. (BT_FN_UINT_UINT): New. (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7, DEF_FUNCTION_TYPE_VAR_4): Document. (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT, BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR, BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT, BT_FN_VOID_OMPFN_PTR_UINT_UINT, BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR, BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New. * builtins.def: Update DEF_BUILTIN comment to include COND argument. Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins into separate files. (DEF_GOMP_BUILTIN): New. (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER, BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END, BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END, BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START, BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START, BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START, BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START, BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START, BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT, 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_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT, BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END, BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END, BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT, BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END, BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START, BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New. * sync-builtins.def: New file, moved from builtins.def. * omp-builtins.def: New file, moved from builtins.def. * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine. * gimple-low.c (lower_function_body): Clear data. (lower_stmt): Do not handle COMPOUND_EXPR. Remove call to print_node_brief. * c-tree.h (c_finish_omp_clauses): New prototype. (C_DECL_THREADPRIVATE_P): Define. (lookup_name_no_remap, c_omp_remap_private): Remove (c_begin_omp_parallel, c_finish_omp_parallel): Update. (check_for_loop_decls): Update decl. (lookup_name_no_remap, c_omp_remap_private): Declare. (build_indirect_ref, build_modify_expr, pushdecl, pushdecl_top_level): Move to c-common.h. * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp before the switch, but just in the 2 places that need it. * c-decl.c (diagnose_mismatched_decls): Do not check for mismatched thread-local attributes when OLDDECL is marked threadprivate and NEWDECL has no thread-local attributes. (merge_decls): Merge C_DECL_THREADPRIVATE_P. (c_gimple_diagnostics_recursively): Rename from c_warn_unused_result_recursively. Invoke diagnose_omp_structured_block_errors. (check_for_loop_decls): Return a singular decl found. * langhooks.c (lhd_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls. (lhd_omp_firstprivatize_type_sizes): New. (lhd_omp_assignment): New. (lhd_omp_predetermined_sharing): New. * langhooks.h (struct gimplify_omp_ctx): Forward declare. (struct lang_hooks_for_types): Add omp_firstprivatize_type_sizes, omp_privatize_by_reference, omp_predetermined_sharing, omp_disregard_value_expr, omp_private_debug_clause, omp_clause_default_ctor, omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor. (c_finish_omp_clauses): New. (c_finish_bc_stmt): Diagnose break within omp for. (c_begin_omp_parallel, c_finish_omp_parallel): New. (build_unary_op): Return error_mark after reporting a readonly_error. (build_modify_expr): Likewise. * gimplify.c: Include optabs.h and pointer-set.h. (enum gimplify_omp_var_data): Declare. (struct gimplify_omp_ctx): Declare. (struct gimplify_ctx): Add fields prev_context, combined_pre_p and combined_ctxp. (gimplify_ctxp, gimplify_omp_ctxp): New local variables. (push_gimplify_context, pop_gimplify_context): Allow nesting. (splay_tree_compare_decl_uid): New. (new_omp_context): New. (delete_omp_context): New. (gimple_add_tmp_var): Call omp_add_variable. (gimplify_bind_expr): Likewise. (gimplify_var_or_parm_decl): If omp_notice_variable returned true, disregard DECL_VALUE_EXPR on the decl if any. (gimplify_expr_in_ctx): New. (omp_firstprivatize_variable, omp_firstprivatize_type_sizes omp_add_variable, omp_notice_variable, omp_is_private gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1 gimplify_adjust_omp_clauses, gimplify_omp_parallel gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p gimplify_omp_atomic_fetch_op, goa_stabilize_expr gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex gimplify_omp_atomic): New. (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS, OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL and OMP_ATOMIC. (gimplify_body): Verify gimplify_ctxp is empty after gimplification. * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER, PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR, PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED, PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR, PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION, PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE, PRAGMA_OMP_THREADPRIVATE. * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS, OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define. * print-tree.c (print_node): Dump DECL_VALUE_EXPR. * tree-ssa-dce.c (find_control_dependence): Do not assume that ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR). * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for OpenMP directives. (struct nesting_info): Add field_map, suppress_expansion, debug_var_chain. (create_nesting_tree): Initialize them. (lookup_field_for_decl): Use field_map. (get_nonlocal_debug_decl, get_local_debug_decl): New. (convert_local_omp_clauses): New. (finalize_nesting_tree_1): Add debug_var_chain to toplevel block. (walk_body): Split out of walk_function. (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New. (convert_nonlocal_reference): Handle omp statements. (convert_local_reference): Likewise. (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1. (unnest_nesting_tree): New. (lower_nested_functions): Call it. (insert_field_into_struct): Make extern. (struct walk_stmt_info): Move to tree-gimple.h. (walk_stmts): Make extern. * omp-builtins.def: New file. * tree-iterator.c (expr_only): Clarify comment. * c-common.h (pushdecl_top_level, pushdecl, build_modify_expr, build_indirect_ref, c_finish_omp_master, c_finish_omp_critical, c_finish_omp_ordered, c_finish_omp_barrier, c_finish_omp_atomic, c_finish_omp_flush, c_finish_omp_for, c_split_parallel_clauses, omp_clause_default_kind, c_omp_sharing_predetermined, c_omp_remap_decl): Declare. * Makefile.in (BUILTINS_DEF): Add omp-builtins.def. (OBJS-common): Add omp-low.o. (c-omp.o, omp-low.o): Add. (gimplify.o): Add dependency on $(OPTABS_H). (GTFILES): Add omp-low.c. (gt-stringpool.h): Add. * tree-cfg.c (set_bb_for_stmt): Do not update the block-to-labels map if we are currently expanding to RTL. (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P checks. Handle IDENTIFIER_NODE. (tree_verify_flow_info): Do not ICE when emitting error messages about invalid labels. (dump_function_to_file): Reset CFUN before emitting the body of the function. (debug_function): New. * passes.c (init_optimization_passes): Schedule pass_lower_omp. * langhooks-def.h (lhd_omp_predetermined_sharing, lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes): Declare. (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define. (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it. (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE, LANG_HOOKS_OMP_PREDETERMINED_SHARING, LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR, LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE, LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR, LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, LANG_HOOKS_OMP_CLAUSE_DTOR): Define. (LANG_HOOK_DECLS): Use them. 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com> Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * c-parser.c (pragma_omp_clause): Define. (c_parser_declaration_or_fndef): Document OpenMP syntax. (c_parser_compound_statement): Likewise. (c_parser_statement): Likewise. (c_parser_pragma): Handle omp pragmas. (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK, OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define. (c_parser_omp_clause_name, check_no_duplicate_clause, c_parser_omp_variable_list, c_parser_omp_var_list_parens, c_parser_omp_clause_copyin, c_parser_omp_clause_copyprivate, c_parser_omp_clause_default, c_parser_omp_clause_firstprivate, c_parser_omp_clause_if, c_parser_omp_clause_lastprivate, c_parser_omp_clause_nowait, c_parser_omp_clause_num_threads, c_parser_omp_clause_ordered, c_parser_omp_clause_private, c_parser_omp_clause_reduction, c_parser_omp_clause_schedule, c_parser_omp_clause_shared, c_parser_omp_all_clauses, c_parser_omp_structured_block, c_parser_omp_atomic, c_parser_omp_barrier, c_parser_omp_critical, c_parser_omp_flush, c_parser_omp_for_loop, c_parser_omp_for, c_parser_omp_master, c_parser_omp_ordered, c_parser_omp_sections_scope, c_parser_omp_sections, c_parser_omp_parallel, c_parser_omp_single, c_parser_omp_construct, c_parser_omp_threadprivate): New. * c-pragma.c (init_pragma): Do omp pragma registration here. * c.opt (fopenmp): New flag. 2006-01-18 Eric Christopher <echristo@apple.com> * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif. * config/darwin.h (GOMP_SELF_SPECS): Define. testsuite/ 2006-01-18 Richard Henderson <rth@redhat.com> Aldy Hernandez <aldyh@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> Uros Bizjak <uros@kss-loka.si> * testsuite/gcc.dg/gomp: New directory. From-SVN: r109902
2006-01-18 20:21:25 +01:00
}
void
GOMP_parallel_end (void)
{
c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805. * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805. * langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause. Add omp_private_outer_ref hook, add another argument to omp_clause_default_ctor hook. * langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define. (LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define. (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to hook_tree_tree_tree_tree_null. (LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and LANG_HOOKS_OMP_PRIVATE_OUTER_REF. * hooks.c (hook_tree_tree_tree_tree_null): New function. * hooks.h (hook_tree_tree_tree_tree_null): New prototype. * tree.def (OMP_TASK): New tree code. * tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN, OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT, OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES, OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY, OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG, OMP_CLAUSE_COLLAPSE_EXPR): Define. (enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. (OMP_DIRECTIVE_P): Add OMP_TASK. (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes. (OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind. * tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED entries. (omp_clause_num_ops): Likewise. Increase OMP_CLAUSE_LASTPRIVATE num_ops to 2. (walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Walk OMP_CLAUSE_LASTPRIVATE_STMT. * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. (dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops. * c-omp.c (c_finish_omp_for): Allow pointer iterators. Remove warning about unsigned iterators. Change decl/init/cond/incr arguments to TREE_VECs, check arguments for all collapsed loops. (c_finish_omp_taskwait): New function. (c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to ws_clauses. * c-parser.c (c_parser_omp_for_loop): Parse collapsed loops. Call default_function_array_conversion on init. Add par_clauses argument. If decl is present in parallel's lastprivate clause, change it to shared and add lastprivate clause for decl to OMP_FOR_CLAUSES. Add clauses argument, on success set OMP_FOR_CLAUSES to it. Look up collapse count in clauses. (c_parser_omp_for, c_parser_omp_parallel): Adjust c_parser_omp_for_loop callers. (OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE. (c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT. (c_parser_omp_clause_name): Handle collapse and untied clauses. (c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New functions. (c_parser_omp_clause_schedule): Handle schedule(auto). Include correct location in the error message. (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE and PRAGMA_OMP_CLAUSE_UNTIED. (OMP_TASK_CLAUSE_MASK): Define. (c_parser_omp_task, c_parser_omp_taskwait): New functions. (c_parser_omp_construct): Handle PRAGMA_OMP_TASK. * tree-nested.c (convert_nonlocal_omp_clauses, convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE, OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in OMP_CLAUSE_DECL. (conver_nonlocal_reference, convert_local_reference, convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL. Use OMP_TASKREG_* macros rather than OMP_PARALLEL_*. (walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes. * tree-gimple.c (is_gimple_stmt): Handle OMP_TASK. * c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes. * c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New. (PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New. * c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions. (c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. * c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas. * c-common.h (c_finish_omp_taskwait): New prototype. * gimple-low.c (lower_stmt): Handle OMP_TASK. * tree-parloops.c (create_parallel_loop): Create 1 entry vectors for OMP_FOR_{INIT,COND,INCR}. * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers. (make_edges): Handle OMP_TASK. * tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. * tree-inline.c (estimate_num_insns_1): Handle OMP_TASK. * builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR, BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New. * omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT, BUILT_IN_GOMP_LOOP_ULL_STATIC_START, BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ULL_GUIDED_START, BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins. * gimplify.c (gimplify_omp_for): Allow pointer type for decl, handle POINTER_PLUS_EXPR. If loop counter has been replaced and original iterator is present in lastprivate clause or if collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT. Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. (gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK. (enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF. (omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed, if it is set, lookup var in outer contexts too. Handle OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. Handle vars that are supposed to be implicitly determined firstprivate for task regions. (gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed, if it is set, lookup var in outer contexts too. Set OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set. Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Take region_type as last argument instead of in_parallel and in_combined_parallel. (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare): Adjust callers. (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set. Call omp_finish_clause langhook. (new_omp_context): Set default_kind to OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions. (omp_region_type): New enum. (struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel fields, add region_type. (new_omp_context): Take region_type as argument instead of is_parallel and is_combined_parallel. (gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable, omp_is_private, omp_check_private): Adjust ctx->is_parallel and ctx->is_combined_parallel checks. (gimplify_omp_task): New function. (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. * omp-low.c (extract_omp_for_data): Use schedule(static) for schedule(auto). Handle pointer and unsigned iterators. Compute fd->iter_type. Handle POINTER_PLUS_EXPR increments. Add loops argument. Extract data for collapsed OMP_FOR loops. (expand_parallel_call): Assert sched_kind isn't auto, map runtime schedule to index 3. (struct omp_for_data_loop): New type. (struct omp_for_data): Remove v, n1, n2, step, cond_code fields. Add loop, loops, collapse and iter_type fields. (workshare_safe_to_combine_p): Disallow combined for if iter_type is unsigned long long. Don't combine collapse > 1 loops unless all bounds and steps are constant. Adjust extract_omp_for_data caller. (expand_omp_for_generic): Handle pointer, unsigned and long long iterators. Handle collapsed OMP_FOR loops. Adjust for struct omp_for_data changes. If libgomp function doesn't return boolean_type_node, add comparison of the return value with 0. (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle pointer, unsigned and long long iterators. Adjust for struct omp_for_data changes. (expand_omp_for): Assert sched_kind isn't auto, map runtime schedule to index 3. Use GOMP_loop_ull*{start,next} if iter_type is unsigned long long. Allocate loops array, pass it to extract_omp_for_data. For collapse > 1 loops use always expand_omp_for_generic. (omp_context): Add sfield_map and srecord_type fields. (is_task_ctx, lookup_sfield): New functions. (use_pointer_for_field): Use is_task_ctx helper. Change first argument's type from const_tree to tree. Clarify comment. In OMP_TASK disallow copy-in/out sharing. (build_sender_ref): Call lookup_sfield instead of lookup_field. (install_var_field): Add mask argument. Populate both record_type and srecord_type if needed. (delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN in srecord_type. (fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT} and DECL_FIELD_OFFSET. (scan_sharing_clauses): Adjust install_var_field callers. For firstprivate clauses on explicit tasks allocate the var by value in record_type unconditionally, rather than by reference. Handle OMP_CLAUSE_PRIVATE_OUTER_REF. Scan OMP_CLAUSE_LASTPRIVATE_STMT. Use is_taskreg_ctx instead of is_parallel_ctx. Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. (create_omp_child_function_name): Add task_copy argument, use *_omp_cpyfn* names if it is true. (create_omp_child_function): Add task_copy argument, if true create *_omp_cpyfn* helper function. (scan_omp_parallel): Adjust create_omp_child_function callers. Rename parallel_nesting_level to taskreg_nesting_level. (scan_omp_task): New function. (lower_rec_input_clauses): Don't run constructors for firstprivate explicit task vars which are initialized by *_omp_cpyfn*. Pass outer var ref to omp_clause_default_ctor hook if OMP_CLAUSE_PRIVATE_OUTER_REF or OMP_CLAUSE_LASTPRIVATE. Replace OMP_CLAUSE_REDUCTION_PLACEHOLDER decls in OMP_CLAUSE_REDUCTION_INIT. (lower_send_clauses): Clear DECL_ABSTRACT_ORIGIN if in task to avoid duplicate setting of fields. Handle OMP_CLAUSE_PRIVATE_OUTER_REF. (lower_send_shared_vars): Use srecord_type if non-NULL. Don't copy-out if TREE_READONLY, only copy-in. (expand_task_copyfn): New function. (expand_task_call): New function. (struct omp_taskcopy_context): New type. (task_copyfn_copy_decl, task_copyfn_remap_type, create_task_copyfn): New functions. (lower_omp_parallel): Rename to... (lower_omp_taskreg): ... this. Use OMP_TASKREG_* macros where needed. Call create_task_copyfn if srecord_type is needed. Adjust sender_decl type. (task_shared_vars): New variable. (check_omp_nesting_restrictions): Warn if work-sharing, barrier, master or ordered region is closely nested inside OMP_TASK. Add warnings for barrier if closely nested inside of work-sharing, ordered, or master region. (scan_omp_1): Call check_omp_nesting_restrictions even for GOMP_barrier calls. Rename parallel_nesting_level to taskreg_nesting_level. Handle OMP_TASK. (lower_lastprivate_clauses): Even if some lastprivate is found on a work-sharing construct, continue looking for them on parent parallel construct. (lower_omp_for_lastprivate): Add lastprivate clauses to the beginning of dlist rather than end. Adjust for struct omp_for_data changes. (lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY, not after it. Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller. (get_ws_args_for): Adjust extract_omp_for_data caller. (scan_omp_for): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. (lower_omp_single_simple): If libgomp function doesn't return boolean_type_node, add comparison of the return value with 0. (diagnose_sb_1, diagnose_sb_2): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. Handle OMP_TASK. (parallel_nesting_level): Rename to... (taskreg_nesting_level): ... this. (is_taskreg_ctx): New function. (build_outer_var_ref, omp_copy_decl): Use is_taskreg_ctx instead of is_parallel_ctx. (execute_lower_omp): Rename parallel_nesting_level to taskreg_nesting_level. (expand_omp_parallel): Rename to... (expand_omp_taskreg): ... this. Use OMP_TASKREG_* macros where needed. Call omp_task_call for OMP_TASK regions. (expand_omp): Adjust caller, handle OMP_TASK. (lower_omp_1): Adjust lower_omp_taskreg caller, handle OMP_TASK. * bitmap.c (bitmap_default_obstack_depth): New variable. (bitmap_obstack_initialize, bitmap_obstack_release): Do nothing if argument is NULL and bitmap_default_obstack is already initialized. * ipa-struct-reorg.c (do_reorg_1): Call bitmap_obstack_release at the end. * matrix-reorg.c (matrix_reorg): Likewise. cp/ * cp-tree.h (cxx_omp_finish_clause, cxx_omp_create_clause_info, dependent_omp_for_p, begin_omp_task, finish_omp_task, finish_omp_taskwait): New prototypes. (cxx_omp_clause_default_ctor): Add outer argument. (finish_omp_for): Add new clauses argument. * cp-gimplify.c (cxx_omp_finish_clause): New function. (cxx_omp_predetermined_sharing): Moved from semantics.c, rewritten. (cxx_omp_clause_default_ctor): Add outer argument. (cp_genericize_r): Walk OMP_CLAUSE_LASTPRIVATE_STMT. * cp-objcp-common.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define. * parser.c (cp_parser_omp_for_loop): Parse collapsed for loops. Add par_clauses argument. If decl is present in parallel's lastprivate clause, change that clause to shared and add a lastprivate clause for decl to OMP_FOR_CLAUSES. Fix wording of error messages. Adjust finish_omp_for caller. Add clauses argument. Parse loops with random access iterators. (cp_parser_omp_clause_collapse, cp_parser_omp_clause_untied): New functions. (cp_parser_omp_for, cp_parser_omp_parallel): Adjust cp_parser_omp_for_loop callers. (cp_parser_omp_for_cond, cp_parser_omp_for_incr): New helper functions. (cp_parser_omp_clause_name): Handle collapse and untied clauses. (cp_parser_omp_clause_schedule): Handle auto schedule. (cp_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE and PRAGMA_OMP_CLAUSE_UNTIED. (OMP_FOR_CLAUSE_MASK): Add PRAGMA_OMP_CLAUSE_COLLAPSE. (OMP_TASK_CLAUSE_MASK): Define. (cp_parser_omp_task, cp_parser_omp_taskwait): New functions. (cp_parser_omp_construct): Handle PRAGMA_OMP_TASK. (cp_parser_pragma): Handle PRAGMA_OMP_TASK and PRAGMA_OMP_TASKWAIT. * pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Handle OMP_CLAUSE_LASTPRIVATE_STMT. (tsubst_omp_for_iterator): New function. (dependent_omp_for_p): New function. (tsubst_expr) <case OMP_FOR>: Use it. Handle collapsed OMP_FOR loops. Adjust finish_omp_for caller. Handle loops with random access iterators. Adjust for OMP_FOR_{INIT,COND,INCR} changes. (tsubst_expr): Handle OMP_TASK. * semantics.c (cxx_omp_create_clause_info): New function. (finish_omp_clauses): Call it. Handle OMP_CLAUSE_UNTIED and OMP_CLAUSE_COLLAPSE. (cxx_omp_predetermined_sharing): Removed. * semantics.c (finish_omp_for): Allow pointer iterators. Use handle_omp_for_class_iterator and dependent_omp_for_p. Handle collapsed for loops. Adjust c_finish_omp_for caller. Add new clauses argument. Fix check for type dependent cond or incr. Set OMP_FOR_CLAUSES to clauses. Use cp_convert instead of fold_convert to convert incr amount to difference_type. Only fold if not in template. If decl is mentioned in lastprivate clause, set OMP_CLAUSE_LASTPRIVATE_STMT. Handle loops with random access iterators. Adjust for OMP_FOR_{INIT,COND,INCR} changes. (finish_omp_threadprivate): Allow static class members of the current class. (handle_omp_for_class_iterator, begin_omp_task, finish_omp_task, finish_omp_taskwait): New functions. * parser.c (cp_parser_binary_expression): Add prec argument. (cp_parser_assignment_expression): Adjust caller. * cp-tree.h (outer_curly_brace_block): New prototype. * decl.c (outer_curly_brace_block): No longer static. fortran/ * scanner.c (skip_free_comments, skip_fixed_comments): Handle tabs. * parse.c (next_free): Allow tab after !$omp. (decode_omp_directive): Handle !$omp task, !$omp taskwait and !$omp end task. (case_executable): Add ST_OMP_TASKWAIT. (case_exec_markers): Add ST_OMP_TASK. (gfc_ascii_statement): Handle ST_OMP_TASK, ST_OMP_END_TASK and ST_OMP_TASKWAIT. (parse_omp_structured_block, parse_executable): Handle ST_OMP_TASK. * gfortran.h (gfc_find_sym_in_expr): New prototype. (gfc_statement): Add ST_OMP_TASK, ST_OMP_END_TASK and ST_OMP_TASKWAIT. (gfc_omp_clauses): Add OMP_SCHED_AUTO to sched_kind, OMP_DEFAULT_FIRSTPRIVATE to default_sharing. Add collapse and untied fields. (gfc_exec_op): Add EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * f95-lang.c (LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, LANG_HOOKS_OMP_CLAUSE_DTOR, LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define. * trans.h (gfc_omp_clause_default_ctor): Add another argument. (gfc_omp_clause_copy_ctor, gfc_omp_clause_assign_op, gfc_omp_clause_dtor, gfc_omp_private_outer_ref): New prototypes. * types.def (BT_ULONGLONG, BT_PTR_ULONGLONG, BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_VOID_PTR_PTR, BT_PTR_FN_VOID_PTR_PTR, BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New. (BT_BOOL): Use integer type with BOOL_TYPE_SIZE rather than boolean_type_node. * dump-parse-tree.c (gfc_show_omp_node): Handle EXEC_OMP_TASK, EXEC_OMP_TASKWAIT, OMP_SCHED_AUTO, OMP_DEFAULT_FIRSTPRIVATE, untied and collapse clauses. (gfc_show_code_node): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * trans.c (gfc_trans_code): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * st.c (gfc_free_statement): Likewise. * resolve.c (gfc_resolve_blocks, resolve_code): Likewise. (find_sym_in_expr): Rename to... (gfc_find_sym_in_expr): ... this. No longer static. (resolve_allocate_expr, resolve_ordinary_assign): Adjust caller. * match.h (gfc_match_omp_task, gfc_match_omp_taskwait): New prototypes. * openmp.c (resolve_omp_clauses): Allow allocatable arrays in firstprivate, lastprivate, reduction, copyprivate and copyin clauses. (omp_current_do_code): Made static. (omp_current_do_collapse): New variable. (gfc_resolve_omp_do_blocks): Compute omp_current_do_collapse, clear omp_current_do_code and omp_current_do_collapse on return. (gfc_resolve_do_iterator): Handle collapsed do loops. (resolve_omp_do): Likewise, diagnose errorneous collapsed do loops. (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): Define. (gfc_match_omp_clauses): Handle default (firstprivate), schedule (auto), untied and collapse (n) clauses. (OMP_DO_CLAUSES): Add OMP_CLAUSE_COLLAPSE. (OMP_TASK_CLAUSES): Define. (gfc_match_omp_task, gfc_match_omp_taskwait): New functions. * trans-openmp.c (gfc_omp_private_outer_ref): New function. (gfc_omp_clause_default_ctor): Add outer argument. For allocatable arrays allocate them with the bounds of the outer var if outer var is allocated. (gfc_omp_clause_copy_ctor, gfc_omp_clause_assign_op, gfc_omp_clause_dtor): New functions. (gfc_trans_omp_array_reduction): If decl is allocatable array, allocate it with outer var's bounds in OMP_CLAUSE_REDUCTION_INIT and deallocate it in OMP_CLAUSE_REDUCTION_MERGE. (gfc_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED for assumed-size arrays. (gfc_trans_omp_do): Add par_clauses argument. If dovar is present in lastprivate clause and do loop isn't simple, set OMP_CLAUSE_LASTPRIVATE_STMT. If dovar is present in parallel's lastprivate clause, change it to shared and add lastprivate clause to OMP_FOR_CLAUSES. Handle collapsed do loops. (gfc_trans_omp_directive): Adjust gfc_trans_omp_do callers. (gfc_trans_omp_parallel_do): Likewise. Move collapse clause to OMP_FOR from OMP_PARALLEL. (gfc_trans_omp_clauses): Handle OMP_SCHED_AUTO, OMP_DEFAULT_FIRSTPRIVATE, untied and collapse clauses. (gfc_trans_omp_task, gfc_trans_omp_taskwait): New functions. (gfc_trans_omp_directive): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. gcc/testsuite/ * gcc.dg/gomp/collapse-1.c: New test. * gcc.dg/gomp/nesting-1.c: New test. * g++.dg/gomp/task-1.C: New test. * g++.dg/gomp/predetermined-1.C: New test. * g++.dg/gomp/tls-4.C: New test. * gfortran.dg/gomp/collapse1.f90: New test. * gfortran.dg/gomp/sharing-3.f90: New test. * gcc.dg/gomp/pr27499.c (foo): Remove is unsigned dg-warning. * g++.dg/gomp/pr27499.C (foo): Likewise. * g++.dg/gomp/for-16.C (foo): Likewise. * g++.dg/gomp/tls-3.C: Remove dg-error, add S::s definition. * g++.dg/gomp/pr34607.C: Adjust dg-error location. * g++.dg/gomp/for-16.C (foo): Add a new dg-error. * gcc.dg/gomp/appendix-a/a.35.4.c: Add dg-warning. * gcc.dg/gomp/appendix-a/a.35.6.c: Likewise. * gfortran.dg/gomp/appendix-a/a.35.4.f90: Likewise. * gfortran.dg/gomp/appendix-a/a.35.6.f90: Likewise. * gfortran.dg/gomp/omp_parse1.f90: Remove !$omp tab test. * gfortran.dg/gomp/appendix-a/a.33.4.f90: Remove dg-error about allocatable array. * gfortran.dg/gomp/reduction1.f90: Likewise. libgomp/ * configure.ac (LIBGOMP_GNU_SYMBOL_VERSIONING): New AC_DEFINE. Substitute also OMP_*LOCK_25*. * configure: Regenerated. * config.h.in: Regenerated. * Makefile.am (libgomp_la_SOURCES): Add loop_ull.c, iter_ull.c, ptrlock.c and task.c. * Makefile.in: Regenerated. * testsuite/Makefile.in: Regenerated. * task.c: New file. * loop_ull.c: New file. * iter_ull.c: New file. * libgomp.h: Include ptrlock.h. (enum gomp_task_kind): New type. (struct gomp_team): Add task_lock, task_queue, task_count, task_running_count, single_count fields. Add work_share_list_free_lock ifndef HAVE_SYNC_BUILTINS. Remove work_share_lock, generation_mask, oldest_live_gen, num_live_gen and init_work_shares fields, add work work_share_list_alloc, work_share_list_free and work_share_chunk fields. Change work_shares from pointer to pointers into an array. Change ordered_release field into gomp_sem_t ** from flexible array member. Add implicit_task and initial_work_shares fields. Move close to the end of the struct. (struct gomp_team_state): Add single_count, last_work_share, active_level and level fields, remove work_share_generation. (gomp_barrier_handle_tasks): New prototype. (gomp_finish_task): New inline function. (struct gomp_work_share): Move chunk_size, end, incr into transparent union/struct, add chunk_size_ull, end_ll, incr_ll and next_ll fields. Reshuffle fields. Add next_alloc, next_ws, next_free and inline_ordered_team_ids fields, change ordered_team_ids into pointer from flexible array member. Add mode field. Put lock and next into a different cache line from most of the write-once fields. (gomp_iter_ull_static_next, gomp_iter_ull_dynamic_next_locked, gomp_iter_ull_guided_next_locked, gomp_iter_ull_dynamic_next, gomp_iter_ull_guided_next): New prototypes. (gomp_new_icv): New prototype. (struct gomp_thread): Add thread_pool and task fields. (struct gomp_thread_pool): New type. (gomp_new_team): New prototype. (gomp_team_start): Change type of last argument. (gomp_new_work_share): Removed. (gomp_init_work_share, gomp_fini_work_share): New prototypes. (gomp_work_share_init_done): New static inline. (gomp_throttled_spin_count_var, gomp_available_cpus, gomp_managed_threads): New extern decls. (gomp_init_task): New prototype. (gomp_spin_count_var): New extern var decl. (LIBGOMP_GNU_SYMBOL_VERSIONING): Undef if no visibility or no alias support, or if not PIC. (gomp_init_lock_30, gomp_destroy_lock_30, gomp_set_lock_30, gomp_unset_lock_30, gomp_test_lock_30, gomp_init_nest_lock_30, gomp_destroy_nest_lock_30, gomp_set_nest_lock_30, gomp_unset_nest_lock_30, gomp_test_nest_lock_30, gomp_init_lock_25, gomp_destroy_lock_25, gomp_set_lock_25, gomp_unset_lock_25, gomp_test_lock_25, gomp_init_nest_lock_25, gomp_destroy_nest_lock_25, gomp_set_nest_lock_25, gomp_unset_nest_lock_25, gomp_test_nest_lock_25): New prototypes. (omp_lock_symver, strong_alias): Define. (gomp_remaining_threads_count, gomp_remaining_threads_lock): New decls. (gomp_end_task): New. (struct gomp_task_icv, gomp_global_icv): New. (gomp_thread_limit_var, gomp_max_active_levels_var): New. (struct gomp_task): New. (gomp_nthreads_var, gomp_dyn_var, gomp_nest_var, gomp_run_sched_var, gomp_run_sched_chunk): Remove. (gomp_icv): New. (gomp_schedule_type): Reorder enum to match omp_sched_t. * team.c (struct gomp_thread_start_data): Add thread_pool and task fields. (gomp_thread_start): Add gomp_team_barrier_wait call. For non-nested case remove clearing of docked thread thr fields. Use pool fields instead of global gomp_* variables. Use gomp_barrier_wait_last when needed. Initialize ts.active_level. Create tasks for each member thread. (free_team): Only destroy team barrier, task_lock here and free it. (gomp_free_thread): Free last_team if non-NULL. (gomp_team_end): Call gomp_team_barrier_wait instead of gomp_barrier_wait. For nested case call one extra gomp_barrier_wait. Move here some destruction from free_team. Call free_team on pool->last_team if any, rather than freeing current team. Destroy work_share_list_free_lock ifndef HAVE_SYNC_BUILTINS. (gomp_new_icv): New function. (gomp_threads, gomp_threads_size, gomp_threads_used, gomp_threads_dock): Removed. (gomp_thread_destructor): New variable. (gomp_new_thread_pool, gomp_free_pool_helper, gomp_free_thread): New functions. (gomp_team_start): Create new pool if current thread doesn't have one. Use pool fields instead of global gomp_* variables. Initialize thread_pool field for new threads. Clear single_count. Change last argument from ws to team, don't create new team, set ts.work_share to &team->work_shares[0] and clear ts.last_work_share. Don't clear ts.work_share_generation. If number of threads changed, adjust atomically gomp_managed_threads. Use gomp_init_task instead of gomp_new_task, set thr->task to the corresponding implicit_task array entry. Create tasks for each member thread. Initialize ts.level. (initialize_team): Call pthread_key_create on gomp_thread_destructor. (team_destructor): New function. (new_team): Removed. (gomp_new_team): New function. (free_team): Free gomp_work_share blocks chained through next_alloc, instead of freeing work_shares and destroying work_share_lock. (gomp_team_end): Call gomp_fini_work_share. If number of threads changed, adjust atomically gomp_managed_threads. Use gomp_end_task. * barrier.c (GOMP_barrier): Call gomp_team_barrier_wait instead of gomp_barrier_wait. * single.c (GOMP_single_copy_start): Call gomp_team_barrier_wait instead of gomp_barrier_wait. Call gomp_work_share_init_done if gomp_work_share_start returned true. Don't unlock ws->lock. (GOMP_single_copy_end): Call gomp_team_barrier_wait instead of gomp_barrier_wait. (GOMP_single_start): Rewritten if HAVE_SYNC_BUILTINS. Call gomp_work_share_init_done if gomp_work_share_start returned true. Don't unlock ws->lock. * work.c: Include stddef.h. (free_work_share): Use work_share_list_free_lock instead of atomic chaining ifndef HAVE_SYNC_BUILTINS. Add team argument. Call gomp_fini_work_share and then either free ws if orphaned, or put it into work_share_list_free list of the current team. (alloc_work_share, gomp_init_work_share, gomp_fini_work_share): New functions. (gomp_work_share_start, gomp_work_share_end, gomp_work_share_end_nowait): Rewritten. * omp_lib.f90.in Change some tabs to spaces to prevent warnings. (openmp_version): Set to 200805. (omp_sched_kind, omp_sched_static, omp_sched_dynamic, omp_sched_guided, omp_sched_auto): New parameters. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New interfaces. * omp_lib.h.in (openmp_version): Set to 200805. (omp_sched_kind, omp_sched_static, omp_sched_dynamic, omp_sched_guided, omp_sched_auto): New parameters. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New externals. * loop.c: Include limits.h. (GOMP_loop_runtime_next, GOMP_loop_ordered_runtime_next): Handle GFS_AUTO. (GOMP_loop_runtime_start, GOMP_loop_ordered_runtime_start): Likewise. Use gomp_icv. (gomp_loop_static_start, gomp_loop_dynamic_start): Clear ts.static_trip here. (gomp_loop_static_start, gomp_loop_ordered_static_start): Call gomp_work_share_init_done after gomp_loop_init. Don't unlock ws->lock. (gomp_loop_dynamic_start, gomp_loop_guided_start): Call gomp_work_share_init_done after gomp_loop_init. If HAVE_SYNC_BUILTINS, don't unlock ws->lock, otherwise lock it. (gomp_loop_ordered_dynamic_start, gomp_loop_ordered_guided_start): Call gomp_work_share_init_done after gomp_loop_init. Lock ws->lock. (gomp_parallel_loop_start): Call gomp_new_team instead of gomp_new_work_share. Call gomp_loop_init on &team->work_shares[0]. Adjust gomp_team_start caller. Pass 0 as second argument to gomp_resolve_num_threads. (gomp_loop_init): For GFS_DYNAMIC, multiply ws->chunk_size by incr. If adding ws->chunk_size nthreads + 1 times after end won't overflow, set ws->mode to 1. * libgomp_g.h (GOMP_loop_ull_static_start, GOMP_loop_ull_dynamic_start, GOMP_loop_ull_guided_start, GOMP_loop_ull_runtime_start, GOMP_loop_ull_ordered_static_start, GOMP_loop_ull_ordered_dynamic_start, GOMP_loop_ull_ordered_guided_start, GOMP_loop_ull_ordered_runtime_start, GOMP_loop_ull_static_next, GOMP_loop_ull_dynamic_next, GOMP_loop_ull_guided_next, GOMP_loop_ull_runtime_next, GOMP_loop_ull_ordered_static_next, GOMP_loop_ull_ordered_dynamic_next, GOMP_loop_ull_ordered_guided_next, GOMP_loop_ull_ordered_runtime_next, GOMP_task, GOMP_taskwait): New prototypes. * libgomp.map: Export lock routines also @@OMP_2.0. (GOMP_loop_ordered_dynamic_first, GOMP_loop_ordered_guided_first, GOMP_loop_ordered_runtime_first, GOMP_loop_ordered_static_first): Remove. (GOMP_loop_ull_dynamic_next, GOMP_loop_ull_dynamic_start, GOMP_loop_ull_guided_next, GOMP_loop_ull_guided_start, GOMP_loop_ull_ordered_dynamic_next, GOMP_loop_ull_ordered_dynamic_start, GOMP_loop_ull_ordered_guided_next, GOMP_loop_ull_ordered_guided_start, GOMP_loop_ull_ordered_runtime_next, GOMP_loop_ull_ordered_runtime_start, GOMP_loop_ull_ordered_static_next, GOMP_loop_ull_ordered_static_start, GOMP_loop_ull_runtime_next, GOMP_loop_ull_runtime_start, GOMP_loop_ull_static_next, GOMP_loop_ull_static_start, GOMP_task, GOMP_taskwait): Export @@GOMP_2.0. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level, omp_set_schedule_, omp_set_schedule_8_, omp_get_schedule_, omp_get_schedule_8_, omp_get_thread_limit_, omp_set_max_active_levels_, omp_set_max_active_levels_8_, omp_get_max_active_levels_, omp_get_level_, omp_get_ancestor_thread_num_, omp_get_ancestor_thread_num_8_, omp_get_team_size_, omp_get_team_size_8_, omp_get_active_level_): New exports @@OMP_3.0. * omp.h.in (omp_sched_t): New type. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New prototypes. * env.c (gomp_spin_count_var, gomp_throttled_spin_count_var, gomp_available_cpus, gomp_managed_threads, gomp_max_active_levels_var, gomp_thread_limit_var, gomp_remaining_threads_count, gomp_remaining_threads_lock): New variables. (parse_spincount): New function. (initialize_env): Call gomp_init_num_threads unconditionally. Initialize gomp_available_cpus. Call parse_spincount, initialize gomp_{,throttled_}spin_count_var depending on presence and value of OMP_WAIT_POLICY and GOMP_SPINCOUNT env vars. Handle GOMP_BLOCKTIME env var. Handle OMP_WAIT_POLICY, OMP_MAX_ACTIVE_LEVELS, OMP_THREAD_LIMIT, OMP_STACKSIZE env vars. Handle unit specification for GOMP_STACKSIZE. Initialize gomp_remaining_threads_count and gomp_remaining_threads_lock if needed. Use gomp_global_icv. (gomp_nthreads_var, gomp_dyn_var, gomp_nest_var, gomp_run_sched_var, gomp_run_sched_chunk): Remove. (gomp_global_icv): New. (parse_schedule): Use it. Parse "auto". (omp_set_num_threads): Use gomp_icv. (omp_set_dynamic, omp_get_dynamic, omp_set_nested, omp_get_nested): Likewise. (omp_get_max_threads): Move from parallel.c. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels): New functions, add ialias. (parse_stacksize, parse_wait_policy): New functions. * fortran.c: Rewrite lock wrappers, if symbol versioning provide both wrappers for compatibility and new locks. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New ialias_redirect. (omp_set_schedule_, omp_set_schedule_8_, omp_get_schedule_, omp_get_schedule_8_, omp_get_thread_limit_, omp_set_max_active_levels_, omp_set_max_active_levels_8_, omp_get_max_active_levels_, omp_get_level_, omp_get_ancestor_thread_num_, omp_get_ancestor_thread_num_8_, omp_get_team_size_, omp_get_team_size_8_, omp_get_active_level_): New functions. * parallel.c: Include limits.h. (gomp_resolve_num_threads): Add count argument. Rewritten. (GOMP_parallel_start): Call gomp_new_team and pass that as last argument to gomp_team_start. Pass 0 as second argument to gomp_resolve_num_threads. (GOMP_parallel_end): Decrease gomp_remaining_threads_count if gomp_thread_limit_var != ULONG_MAX. (omp_in_parallel): Implement using ts.active_level. (omp_get_max_threads): Move to env.c. (omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New functions, add ialias. * sections.c (GOMP_sections_start): Call gomp_work_share_init_done after gomp_sections_init. If HAVE_SYNC_BUILTINS, call gomp_iter_dynamic_next instead of the _locked variant and don't take lock around it, otherwise acquire it before calling gomp_iter_dynamic_next_locked. (GOMP_sections_next): If HAVE_SYNC_BUILTINS, call gomp_iter_dynamic_next instead of the _locked variant and don't take lock around it. (GOMP_parallel_sections_start): Call gomp_new_team instead of gomp_new_work_share. Call gomp_sections_init on &team->work_shares[0]. Adjust gomp_team_start caller. Pass count as second argument to gomp_resolve_num_threads, don't adjust num_threads after the call. Use gomp_icv. * iter.c (gomp_iter_dynamic_next_locked): Don't multiply ws->chunk_size by incr. (gomp_iter_dynamic_next): Likewise. If ws->mode, use more efficient code. * libgomp_f.h.in (omp_lock_25_arg_t, omp_nest_lock_25_arg_t): New types. (omp_lock_25_arg, omp_nest_lock_25_arg): New macros. (omp_check_defines): Check even the compat defines. * config/linux/ptrlock.c: New file. * config/linux/ptrlock.h: New file. * config/linux/wait.h: New file. * config/posix/ptrlock.c: New file. * config/posix/ptrlock.h: New file. * config/linux/bar.h (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New prototypes. (gomp_team_barrier_set_task_pending, gomp_team_barrier_clear_task_pending, gomp_team_barrier_set_waiting_for_tasks, gomp_team_barrier_waiting_for_tasks, gomp_team_barrier_done): New inlines. (gomp_barrier_t): Rewritten. (gomp_barrier_state_t): New typedef. (gomp_barrier_init, gomp_barrier_reinit, gomp_barrier_destroy, gomp_barrier_wait_start): Rewritten. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_barrier_last_thread, gomp_barrier_wait_last): New static inlines. * config/linux/bar.c: Include wait.h instead of libgomp.h and futex.h. (gomp_barrier_wait_end): Rewritten. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake, gomp_barrier_wait_last): New functions. * config/posix/bar.h (gomp_barrier_t): Add generation field. (gomp_barrier_state_t): New typedef. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New prototypes. (gomp_barrier_wait_start): Or all but low 2 bits from generation into the return value. Return gomp_barrier_state_t. (gomp_team_barrier_set_task_pending, gomp_team_barrier_clear_task_pending, gomp_team_barrier_set_waiting_for_tasks, gomp_team_barrier_waiting_for_tasks, gomp_team_barrier_done): New inlines. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_barrier_last_thread, gomp_barrier_wait_last): New static inlines. * config/posix/bar.c (gomp_barrier_init): Clear generation field. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New functions. * config/linux/mutex.c: Include wait.h instead of libgomp.h and futex.h. (gomp_futex_wake, gomp_futex_wait): New variables. (gomp_mutex_lock_slow): Call do_wait instead of futex_wait. * config/linux/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. Include wait.h instead of libgomp.h and futex.h. (gomp_set_nest_lock_25): Call do_wait instead of futex_wait. * config/posix95/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. * config/posix/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. * config/linux/proc.c (gomp_init_num_threads): Use gomp_global_icv. (get_num_procs, gomp_dynamic_max_threads): Use gomp_icv. * config/posix/proc.c, config/mingw32/proc.c: Similarly. * config/linux/powerpc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/alpha/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/x86/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/s390/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/ia64/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/sparc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/sem.c: Include wait.h instead of libgomp.h and futex.h. (gomp_sem_wait_slow): Call do_wait instead of futex_wait. * config/linux/affinity.c: Assume HAVE_SYNC_BUILTINS. * config/linux/omp-lock.h (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_nest_lock_t): Change owner into void *, add lock field. * config/posix95/omp-lock.h: Include semaphore.h. (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_lock_t): Use sem_t instead of mutex if semaphores aren't broken. (omp_nest_lock_t): Likewise. Change owner to void *. * config/posix/omp-lock.h: Include semaphore.h. (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_lock_t): Use sem_t instead of mutex if semaphores aren't broken. (omp_nest_lock_t): Likewise. Add owner field. * testsuite/libgomp.c/collapse-1.c: New test. * testsuite/libgomp.c/collapse-2.c: New test. * testsuite/libgomp.c/collapse-3.c: New test. * testsuite/libgomp.c/icv-1.c: New test. * testsuite/libgomp.c/icv-2.c: New test. * testsuite/libgomp.c/lib-2.c: New test. * testsuite/libgomp.c/lock-1.c: New test. * testsuite/libgomp.c/lock-2.c: New test. * testsuite/libgomp.c/lock-3.c: New test. * testsuite/libgomp.c/loop-4.c: New test. * testsuite/libgomp.c/loop-5.c: New test. * testsuite/libgomp.c/loop-6.c: New test. * testsuite/libgomp.c/loop-7.c: New test. * testsuite/libgomp.c/loop-8.c: New test. * testsuite/libgomp.c/loop-9.c: New test. * testsuite/libgomp.c/nested-3.c: New test. * testsuite/libgomp.c/nestedfn-6.c: New test. * testsuite/libgomp.c/sort-1.c: New test. * testsuite/libgomp.c/task-1.c: New test. * testsuite/libgomp.c/task-2.c: New test. * testsuite/libgomp.c/task-3.c: New test. * testsuite/libgomp.c/task-4.c: New test. * testsuite/libgomp.c++/c++.exp: Add libstdc++-v3 build includes to C++ testsuite default compiler options. * testsuite/libgomp.c++/collapse-1.C: New test. * testsuite/libgomp.c++/collapse-2.C: New test. * testsuite/libgomp.c++/ctor-10.C: New test. * testsuite/libgomp.c++/for-1.C: New test. * testsuite/libgomp.c++/for-2.C: New test. * testsuite/libgomp.c++/for-3.C: New test. * testsuite/libgomp.c++/for-4.C: New test. * testsuite/libgomp.c++/for-5.C: New test. * testsuite/libgomp.c++/loop-8.C: New test. * testsuite/libgomp.c++/loop-9.C: New test. * testsuite/libgomp.c++/loop-10.C: New test. * testsuite/libgomp.c++/task-1.C: New test. * testsuite/libgomp.c++/task-2.C: New test. * testsuite/libgomp.c++/task-3.C: New test. * testsuite/libgomp.c++/task-4.C: New test. * testsuite/libgomp.c++/task-5.C: New test. * testsuite/libgomp.c++/task-6.C: New test. * testsuite/libgomp.fortran/allocatable1.f90: New test. * testsuite/libgomp.fortran/allocatable2.f90: New test. * testsuite/libgomp.fortran/allocatable3.f90: New test. * testsuite/libgomp.fortran/allocatable4.f90: New test. * testsuite/libgomp.fortran/collapse1.f90: New test. * testsuite/libgomp.fortran/collapse2.f90: New test. * testsuite/libgomp.fortran/collapse3.f90: New test. * testsuite/libgomp.fortran/collapse4.f90: New test. * testsuite/libgomp.fortran/lastprivate1.f90: New test. * testsuite/libgomp.fortran/lastprivate2.f90: New test. * testsuite/libgomp.fortran/lib4.f90: New test. * testsuite/libgomp.fortran/lock-1.f90: New test. * testsuite/libgomp.fortran/lock-2.f90: New test. * testsuite/libgomp.fortran/nested1.f90: New test. * testsuite/libgomp.fortran/nestedfn4.f90: New test. * testsuite/libgomp.fortran/strassen.f90: New test. * testsuite/libgomp.fortran/tabs1.f90: New test. * testsuite/libgomp.fortran/tabs2.f: New test. * testsuite/libgomp.fortran/task1.f90: New test. * testsuite/libgomp.fortran/task2.f90: New test. * testsuite/libgomp.fortran/vla4.f90: Add dg-warning. * testsuite/libgomp.fortran/vla5.f90: Likewise. * testsuite/libgomp.c/pr26943-2.c: Likewise. * testsuite/libgomp.c/pr26943-3.c: Likewise. * testsuite/libgomp.c/pr26943-4.c: Likewise. Co-Authored-By: Jakob Blomer <jakob.blomer@ira.uka.de> Co-Authored-By: Richard Henderson <rth@redhat.com> Co-Authored-By: Ulrich Drepper <drepper@redhat.com> From-SVN: r136433
2008-06-06 15:01:54 +02:00
if (__builtin_expect (gomp_thread_limit_var != ULONG_MAX, 0))
{
struct gomp_thread *thr = gomp_thread ();
struct gomp_team *team = thr->ts.team;
if (team && team->nthreads > 1)
{
#ifdef HAVE_SYNC_BUILTINS
__sync_fetch_and_add (&gomp_remaining_threads_count,
1UL - team->nthreads);
#else
gomp_mutex_lock (&gomp_remaining_threads_lock);
gomp_remaining_threads_count -= team->nthreads - 1;
#endif
}
}
[multiple changes] 2006-01-18 Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * libgomp: New directory. * Makefile.def: Add target_module libgomp. * Makefile.in: Regenerate. * configure.in (target_libraries): Add target-libgomp. * configure: Regenerate. contrib/ 2006-01-18 Richard Henderson <rth@redhat.com> Diego Novillo <dnovillo@redhat.com> * gcc_update (files_and_dependencies): Add libgomp files. gcc/ 2006-01-18 Richard Henderson <rth@redhat.com> Aldy Hernandez <aldyh@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * omp-low.c: New file. * c-omp.c: New file. 2006-01-18 Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * doc/invoke.texi: Document -fopenmp. * tree-dump.h (debug_function): Declare. * hooks.c (hook_bool_tree_bool_false): New function. (hook_tree_tree_null): Remove. (hook_tree_tree_tree_null): New. * hooks.h: Update to match. * tree-pretty-print.c (debug_tree_chain): New. (print_generic_expr): Handle TDF_CHAIN. (dump_generic_node): Handle BLOCK. Do not abort with incomplete SWITCH_EXPRs. Do not dump body of an OpenMP directive if TDF_SLIM is given. <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't print space after directive name. <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY. Handle OMP_MASTER and OMP_ORDERED. Handle printing of OMP_BODY just in one place, goto dump_omp_body in the rest of OMP_* nodes that have OMP_BODY. Don't handle clause nodes here. Update omp statements to use dump_omp_clauses. Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION, OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC, OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF, GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED, GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE, GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE. Adjust output for GOMP_PARALLEL. (dump_omp_clauses): New. (print_declaration): Dump DECL_VALUE_EXPR. (op_symbol_1): Split out of op_symbol. (dumping_stmts): Remove. Update all users. * cgraph.c (cgraph_analyze_queue): New. (cgraph_add_new_function): New. * cgraph.h (cgraph_analyze_queue): Declare. (cgraph_add_new_function): Declare. (cgraph_lower_function): Remove. * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_* nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS and TYPE_P nodes in its default clause. (empty_body_p): New. (tree_range_check_failed): New. (build5_stat): New. * tree.h (OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE, OMP_CLAUSE_REDUCTION_PLACEHOLDER, OMP_CLAUSE_PRIVATE_DEBUG, OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY, OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY, OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND, OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL, OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR, OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT, OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT, OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC, OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST, OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY, OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY, OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New. (TREE_RANGE_CHECK): New. (empty_body_p): Declare. (enum omp_clause_default_kind): New. (build_string_literal): Declare. (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New. (build5_stat, build5): Declare. * tree-pass.h (TDF_CHAIN): Define. * tree-pass.h (PROP_gimple_lomp): Define. (pass_lower_omp): Declare. * diagnostic.h (debug_tree_chain): Declare. * builtins.c (get_builtin_sync_mode): Use 0 as last argument to mode_for_size. (expand_builtin): Handle sync BUILT_IN_*_16 builtins. * builtins.c (build_string_literal): Make extern. * gcc.c (include_spec_function): New. (static_spec_functions): Add it. (main): Move load of libgomp.spec ... (LINK_COMMAND_SPEC): ... here. (link_gomp_spec): New. (static_specs): Include it. (LINK_COMMAND_SPEC): Add link_gomp. (GOMP_SELF_SPECS): New. (driver_self_specs): Include it. (switch_matches): Don't mark inline. (main): Load libgomp.spec. * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION, and OMP_SINGLE, OMP_FOR and OMP_PARALLEL. * tree-gimple.h (enum omp_parallel): Declare. (determine_parallel_type): Declare. (omp_firstprivatize_variable): Declare. (omp_reduction_init): Declare. (diagnose_omp_structured_block_errors): Declare. (struct walk_stmt_info): Add want_return_expr. (struct walk_stmt_info): Add want_bind_expr, want_locations. (find_omp_clause): Declare. (insert_field_into_struct): Declare. (struct walk_stmt_info): Move from tree-nested.c (walk_stmts): Declare. * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP to 200505. * cgraphunit.c (cgraph_lower_function): Make static. (cgraph_finalize_pending_functions): New. (cgraph_finalize_function): Call it. (cgraph_finalize_compilation_unit): Likewise. * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16, BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add. (BT_FN_UINT_UINT): New. (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7, DEF_FUNCTION_TYPE_VAR_4): Document. (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT, BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR, BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT, BT_FN_VOID_OMPFN_PTR_UINT_UINT, BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR, BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New. * builtins.def: Update DEF_BUILTIN comment to include COND argument. Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins into separate files. (DEF_GOMP_BUILTIN): New. (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER, BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END, BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END, BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START, BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START, BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START, BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START, BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START, BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT, 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_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT, BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END, BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END, BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT, BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END, BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START, BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New. * sync-builtins.def: New file, moved from builtins.def. * omp-builtins.def: New file, moved from builtins.def. * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine. * gimple-low.c (lower_function_body): Clear data. (lower_stmt): Do not handle COMPOUND_EXPR. Remove call to print_node_brief. * c-tree.h (c_finish_omp_clauses): New prototype. (C_DECL_THREADPRIVATE_P): Define. (lookup_name_no_remap, c_omp_remap_private): Remove (c_begin_omp_parallel, c_finish_omp_parallel): Update. (check_for_loop_decls): Update decl. (lookup_name_no_remap, c_omp_remap_private): Declare. (build_indirect_ref, build_modify_expr, pushdecl, pushdecl_top_level): Move to c-common.h. * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp before the switch, but just in the 2 places that need it. * c-decl.c (diagnose_mismatched_decls): Do not check for mismatched thread-local attributes when OLDDECL is marked threadprivate and NEWDECL has no thread-local attributes. (merge_decls): Merge C_DECL_THREADPRIVATE_P. (c_gimple_diagnostics_recursively): Rename from c_warn_unused_result_recursively. Invoke diagnose_omp_structured_block_errors. (check_for_loop_decls): Return a singular decl found. * langhooks.c (lhd_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls. (lhd_omp_firstprivatize_type_sizes): New. (lhd_omp_assignment): New. (lhd_omp_predetermined_sharing): New. * langhooks.h (struct gimplify_omp_ctx): Forward declare. (struct lang_hooks_for_types): Add omp_firstprivatize_type_sizes, omp_privatize_by_reference, omp_predetermined_sharing, omp_disregard_value_expr, omp_private_debug_clause, omp_clause_default_ctor, omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor. (c_finish_omp_clauses): New. (c_finish_bc_stmt): Diagnose break within omp for. (c_begin_omp_parallel, c_finish_omp_parallel): New. (build_unary_op): Return error_mark after reporting a readonly_error. (build_modify_expr): Likewise. * gimplify.c: Include optabs.h and pointer-set.h. (enum gimplify_omp_var_data): Declare. (struct gimplify_omp_ctx): Declare. (struct gimplify_ctx): Add fields prev_context, combined_pre_p and combined_ctxp. (gimplify_ctxp, gimplify_omp_ctxp): New local variables. (push_gimplify_context, pop_gimplify_context): Allow nesting. (splay_tree_compare_decl_uid): New. (new_omp_context): New. (delete_omp_context): New. (gimple_add_tmp_var): Call omp_add_variable. (gimplify_bind_expr): Likewise. (gimplify_var_or_parm_decl): If omp_notice_variable returned true, disregard DECL_VALUE_EXPR on the decl if any. (gimplify_expr_in_ctx): New. (omp_firstprivatize_variable, omp_firstprivatize_type_sizes omp_add_variable, omp_notice_variable, omp_is_private gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1 gimplify_adjust_omp_clauses, gimplify_omp_parallel gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p gimplify_omp_atomic_fetch_op, goa_stabilize_expr gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex gimplify_omp_atomic): New. (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS, OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL and OMP_ATOMIC. (gimplify_body): Verify gimplify_ctxp is empty after gimplification. * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER, PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR, PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED, PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR, PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION, PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE, PRAGMA_OMP_THREADPRIVATE. * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS, OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define. * print-tree.c (print_node): Dump DECL_VALUE_EXPR. * tree-ssa-dce.c (find_control_dependence): Do not assume that ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR). * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for OpenMP directives. (struct nesting_info): Add field_map, suppress_expansion, debug_var_chain. (create_nesting_tree): Initialize them. (lookup_field_for_decl): Use field_map. (get_nonlocal_debug_decl, get_local_debug_decl): New. (convert_local_omp_clauses): New. (finalize_nesting_tree_1): Add debug_var_chain to toplevel block. (walk_body): Split out of walk_function. (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New. (convert_nonlocal_reference): Handle omp statements. (convert_local_reference): Likewise. (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1. (unnest_nesting_tree): New. (lower_nested_functions): Call it. (insert_field_into_struct): Make extern. (struct walk_stmt_info): Move to tree-gimple.h. (walk_stmts): Make extern. * omp-builtins.def: New file. * tree-iterator.c (expr_only): Clarify comment. * c-common.h (pushdecl_top_level, pushdecl, build_modify_expr, build_indirect_ref, c_finish_omp_master, c_finish_omp_critical, c_finish_omp_ordered, c_finish_omp_barrier, c_finish_omp_atomic, c_finish_omp_flush, c_finish_omp_for, c_split_parallel_clauses, omp_clause_default_kind, c_omp_sharing_predetermined, c_omp_remap_decl): Declare. * Makefile.in (BUILTINS_DEF): Add omp-builtins.def. (OBJS-common): Add omp-low.o. (c-omp.o, omp-low.o): Add. (gimplify.o): Add dependency on $(OPTABS_H). (GTFILES): Add omp-low.c. (gt-stringpool.h): Add. * tree-cfg.c (set_bb_for_stmt): Do not update the block-to-labels map if we are currently expanding to RTL. (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P checks. Handle IDENTIFIER_NODE. (tree_verify_flow_info): Do not ICE when emitting error messages about invalid labels. (dump_function_to_file): Reset CFUN before emitting the body of the function. (debug_function): New. * passes.c (init_optimization_passes): Schedule pass_lower_omp. * langhooks-def.h (lhd_omp_predetermined_sharing, lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes): Declare. (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define. (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it. (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE, LANG_HOOKS_OMP_PREDETERMINED_SHARING, LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR, LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE, LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR, LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, LANG_HOOKS_OMP_CLAUSE_DTOR): Define. (LANG_HOOK_DECLS): Use them. 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com> Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * c-parser.c (pragma_omp_clause): Define. (c_parser_declaration_or_fndef): Document OpenMP syntax. (c_parser_compound_statement): Likewise. (c_parser_statement): Likewise. (c_parser_pragma): Handle omp pragmas. (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK, OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define. (c_parser_omp_clause_name, check_no_duplicate_clause, c_parser_omp_variable_list, c_parser_omp_var_list_parens, c_parser_omp_clause_copyin, c_parser_omp_clause_copyprivate, c_parser_omp_clause_default, c_parser_omp_clause_firstprivate, c_parser_omp_clause_if, c_parser_omp_clause_lastprivate, c_parser_omp_clause_nowait, c_parser_omp_clause_num_threads, c_parser_omp_clause_ordered, c_parser_omp_clause_private, c_parser_omp_clause_reduction, c_parser_omp_clause_schedule, c_parser_omp_clause_shared, c_parser_omp_all_clauses, c_parser_omp_structured_block, c_parser_omp_atomic, c_parser_omp_barrier, c_parser_omp_critical, c_parser_omp_flush, c_parser_omp_for_loop, c_parser_omp_for, c_parser_omp_master, c_parser_omp_ordered, c_parser_omp_sections_scope, c_parser_omp_sections, c_parser_omp_parallel, c_parser_omp_single, c_parser_omp_construct, c_parser_omp_threadprivate): New. * c-pragma.c (init_pragma): Do omp pragma registration here. * c.opt (fopenmp): New flag. 2006-01-18 Eric Christopher <echristo@apple.com> * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif. * config/darwin.h (GOMP_SELF_SPECS): Define. testsuite/ 2006-01-18 Richard Henderson <rth@redhat.com> Aldy Hernandez <aldyh@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> Uros Bizjak <uros@kss-loka.si> * testsuite/gcc.dg/gomp: New directory. From-SVN: r109902
2006-01-18 20:21:25 +01:00
gomp_team_end ();
}
/* The public OpenMP API for thread and team related inquiries. */
int
omp_get_num_threads (void)
{
struct gomp_team *team = gomp_thread ()->ts.team;
return team ? team->nthreads : 1;
}
int
c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805. * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805. * langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause. Add omp_private_outer_ref hook, add another argument to omp_clause_default_ctor hook. * langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define. (LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define. (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to hook_tree_tree_tree_tree_null. (LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and LANG_HOOKS_OMP_PRIVATE_OUTER_REF. * hooks.c (hook_tree_tree_tree_tree_null): New function. * hooks.h (hook_tree_tree_tree_tree_null): New prototype. * tree.def (OMP_TASK): New tree code. * tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN, OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT, OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES, OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY, OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG, OMP_CLAUSE_COLLAPSE_EXPR): Define. (enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. (OMP_DIRECTIVE_P): Add OMP_TASK. (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes. (OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind. * tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED entries. (omp_clause_num_ops): Likewise. Increase OMP_CLAUSE_LASTPRIVATE num_ops to 2. (walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Walk OMP_CLAUSE_LASTPRIVATE_STMT. * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. (dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops. * c-omp.c (c_finish_omp_for): Allow pointer iterators. Remove warning about unsigned iterators. Change decl/init/cond/incr arguments to TREE_VECs, check arguments for all collapsed loops. (c_finish_omp_taskwait): New function. (c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to ws_clauses. * c-parser.c (c_parser_omp_for_loop): Parse collapsed loops. Call default_function_array_conversion on init. Add par_clauses argument. If decl is present in parallel's lastprivate clause, change it to shared and add lastprivate clause for decl to OMP_FOR_CLAUSES. Add clauses argument, on success set OMP_FOR_CLAUSES to it. Look up collapse count in clauses. (c_parser_omp_for, c_parser_omp_parallel): Adjust c_parser_omp_for_loop callers. (OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE. (c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT. (c_parser_omp_clause_name): Handle collapse and untied clauses. (c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New functions. (c_parser_omp_clause_schedule): Handle schedule(auto). Include correct location in the error message. (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE and PRAGMA_OMP_CLAUSE_UNTIED. (OMP_TASK_CLAUSE_MASK): Define. (c_parser_omp_task, c_parser_omp_taskwait): New functions. (c_parser_omp_construct): Handle PRAGMA_OMP_TASK. * tree-nested.c (convert_nonlocal_omp_clauses, convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE, OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in OMP_CLAUSE_DECL. (conver_nonlocal_reference, convert_local_reference, convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL. Use OMP_TASKREG_* macros rather than OMP_PARALLEL_*. (walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes. * tree-gimple.c (is_gimple_stmt): Handle OMP_TASK. * c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes. * c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New. (PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New. * c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions. (c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. * c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas. * c-common.h (c_finish_omp_taskwait): New prototype. * gimple-low.c (lower_stmt): Handle OMP_TASK. * tree-parloops.c (create_parallel_loop): Create 1 entry vectors for OMP_FOR_{INIT,COND,INCR}. * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers. (make_edges): Handle OMP_TASK. * tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. * tree-inline.c (estimate_num_insns_1): Handle OMP_TASK. * builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR, BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New. * omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT, BUILT_IN_GOMP_LOOP_ULL_STATIC_START, BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ULL_GUIDED_START, BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins. * gimplify.c (gimplify_omp_for): Allow pointer type for decl, handle POINTER_PLUS_EXPR. If loop counter has been replaced and original iterator is present in lastprivate clause or if collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT. Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. (gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK. (enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF. (omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed, if it is set, lookup var in outer contexts too. Handle OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. Handle vars that are supposed to be implicitly determined firstprivate for task regions. (gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed, if it is set, lookup var in outer contexts too. Set OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set. Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Take region_type as last argument instead of in_parallel and in_combined_parallel. (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare): Adjust callers. (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set. Call omp_finish_clause langhook. (new_omp_context): Set default_kind to OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions. (omp_region_type): New enum. (struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel fields, add region_type. (new_omp_context): Take region_type as argument instead of is_parallel and is_combined_parallel. (gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable, omp_is_private, omp_check_private): Adjust ctx->is_parallel and ctx->is_combined_parallel checks. (gimplify_omp_task): New function. (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. * omp-low.c (extract_omp_for_data): Use schedule(static) for schedule(auto). Handle pointer and unsigned iterators. Compute fd->iter_type. Handle POINTER_PLUS_EXPR increments. Add loops argument. Extract data for collapsed OMP_FOR loops. (expand_parallel_call): Assert sched_kind isn't auto, map runtime schedule to index 3. (struct omp_for_data_loop): New type. (struct omp_for_data): Remove v, n1, n2, step, cond_code fields. Add loop, loops, collapse and iter_type fields. (workshare_safe_to_combine_p): Disallow combined for if iter_type is unsigned long long. Don't combine collapse > 1 loops unless all bounds and steps are constant. Adjust extract_omp_for_data caller. (expand_omp_for_generic): Handle pointer, unsigned and long long iterators. Handle collapsed OMP_FOR loops. Adjust for struct omp_for_data changes. If libgomp function doesn't return boolean_type_node, add comparison of the return value with 0. (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle pointer, unsigned and long long iterators. Adjust for struct omp_for_data changes. (expand_omp_for): Assert sched_kind isn't auto, map runtime schedule to index 3. Use GOMP_loop_ull*{start,next} if iter_type is unsigned long long. Allocate loops array, pass it to extract_omp_for_data. For collapse > 1 loops use always expand_omp_for_generic. (omp_context): Add sfield_map and srecord_type fields. (is_task_ctx, lookup_sfield): New functions. (use_pointer_for_field): Use is_task_ctx helper. Change first argument's type from const_tree to tree. Clarify comment. In OMP_TASK disallow copy-in/out sharing. (build_sender_ref): Call lookup_sfield instead of lookup_field. (install_var_field): Add mask argument. Populate both record_type and srecord_type if needed. (delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN in srecord_type. (fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT} and DECL_FIELD_OFFSET. (scan_sharing_clauses): Adjust install_var_field callers. For firstprivate clauses on explicit tasks allocate the var by value in record_type unconditionally, rather than by reference. Handle OMP_CLAUSE_PRIVATE_OUTER_REF. Scan OMP_CLAUSE_LASTPRIVATE_STMT. Use is_taskreg_ctx instead of is_parallel_ctx. Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. (create_omp_child_function_name): Add task_copy argument, use *_omp_cpyfn* names if it is true. (create_omp_child_function): Add task_copy argument, if true create *_omp_cpyfn* helper function. (scan_omp_parallel): Adjust create_omp_child_function callers. Rename parallel_nesting_level to taskreg_nesting_level. (scan_omp_task): New function. (lower_rec_input_clauses): Don't run constructors for firstprivate explicit task vars which are initialized by *_omp_cpyfn*. Pass outer var ref to omp_clause_default_ctor hook if OMP_CLAUSE_PRIVATE_OUTER_REF or OMP_CLAUSE_LASTPRIVATE. Replace OMP_CLAUSE_REDUCTION_PLACEHOLDER decls in OMP_CLAUSE_REDUCTION_INIT. (lower_send_clauses): Clear DECL_ABSTRACT_ORIGIN if in task to avoid duplicate setting of fields. Handle OMP_CLAUSE_PRIVATE_OUTER_REF. (lower_send_shared_vars): Use srecord_type if non-NULL. Don't copy-out if TREE_READONLY, only copy-in. (expand_task_copyfn): New function. (expand_task_call): New function. (struct omp_taskcopy_context): New type. (task_copyfn_copy_decl, task_copyfn_remap_type, create_task_copyfn): New functions. (lower_omp_parallel): Rename to... (lower_omp_taskreg): ... this. Use OMP_TASKREG_* macros where needed. Call create_task_copyfn if srecord_type is needed. Adjust sender_decl type. (task_shared_vars): New variable. (check_omp_nesting_restrictions): Warn if work-sharing, barrier, master or ordered region is closely nested inside OMP_TASK. Add warnings for barrier if closely nested inside of work-sharing, ordered, or master region. (scan_omp_1): Call check_omp_nesting_restrictions even for GOMP_barrier calls. Rename parallel_nesting_level to taskreg_nesting_level. Handle OMP_TASK. (lower_lastprivate_clauses): Even if some lastprivate is found on a work-sharing construct, continue looking for them on parent parallel construct. (lower_omp_for_lastprivate): Add lastprivate clauses to the beginning of dlist rather than end. Adjust for struct omp_for_data changes. (lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY, not after it. Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller. (get_ws_args_for): Adjust extract_omp_for_data caller. (scan_omp_for): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. (lower_omp_single_simple): If libgomp function doesn't return boolean_type_node, add comparison of the return value with 0. (diagnose_sb_1, diagnose_sb_2): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. Handle OMP_TASK. (parallel_nesting_level): Rename to... (taskreg_nesting_level): ... this. (is_taskreg_ctx): New function. (build_outer_var_ref, omp_copy_decl): Use is_taskreg_ctx instead of is_parallel_ctx. (execute_lower_omp): Rename parallel_nesting_level to taskreg_nesting_level. (expand_omp_parallel): Rename to... (expand_omp_taskreg): ... this. Use OMP_TASKREG_* macros where needed. Call omp_task_call for OMP_TASK regions. (expand_omp): Adjust caller, handle OMP_TASK. (lower_omp_1): Adjust lower_omp_taskreg caller, handle OMP_TASK. * bitmap.c (bitmap_default_obstack_depth): New variable. (bitmap_obstack_initialize, bitmap_obstack_release): Do nothing if argument is NULL and bitmap_default_obstack is already initialized. * ipa-struct-reorg.c (do_reorg_1): Call bitmap_obstack_release at the end. * matrix-reorg.c (matrix_reorg): Likewise. cp/ * cp-tree.h (cxx_omp_finish_clause, cxx_omp_create_clause_info, dependent_omp_for_p, begin_omp_task, finish_omp_task, finish_omp_taskwait): New prototypes. (cxx_omp_clause_default_ctor): Add outer argument. (finish_omp_for): Add new clauses argument. * cp-gimplify.c (cxx_omp_finish_clause): New function. (cxx_omp_predetermined_sharing): Moved from semantics.c, rewritten. (cxx_omp_clause_default_ctor): Add outer argument. (cp_genericize_r): Walk OMP_CLAUSE_LASTPRIVATE_STMT. * cp-objcp-common.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define. * parser.c (cp_parser_omp_for_loop): Parse collapsed for loops. Add par_clauses argument. If decl is present in parallel's lastprivate clause, change that clause to shared and add a lastprivate clause for decl to OMP_FOR_CLAUSES. Fix wording of error messages. Adjust finish_omp_for caller. Add clauses argument. Parse loops with random access iterators. (cp_parser_omp_clause_collapse, cp_parser_omp_clause_untied): New functions. (cp_parser_omp_for, cp_parser_omp_parallel): Adjust cp_parser_omp_for_loop callers. (cp_parser_omp_for_cond, cp_parser_omp_for_incr): New helper functions. (cp_parser_omp_clause_name): Handle collapse and untied clauses. (cp_parser_omp_clause_schedule): Handle auto schedule. (cp_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE and PRAGMA_OMP_CLAUSE_UNTIED. (OMP_FOR_CLAUSE_MASK): Add PRAGMA_OMP_CLAUSE_COLLAPSE. (OMP_TASK_CLAUSE_MASK): Define. (cp_parser_omp_task, cp_parser_omp_taskwait): New functions. (cp_parser_omp_construct): Handle PRAGMA_OMP_TASK. (cp_parser_pragma): Handle PRAGMA_OMP_TASK and PRAGMA_OMP_TASKWAIT. * pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Handle OMP_CLAUSE_LASTPRIVATE_STMT. (tsubst_omp_for_iterator): New function. (dependent_omp_for_p): New function. (tsubst_expr) <case OMP_FOR>: Use it. Handle collapsed OMP_FOR loops. Adjust finish_omp_for caller. Handle loops with random access iterators. Adjust for OMP_FOR_{INIT,COND,INCR} changes. (tsubst_expr): Handle OMP_TASK. * semantics.c (cxx_omp_create_clause_info): New function. (finish_omp_clauses): Call it. Handle OMP_CLAUSE_UNTIED and OMP_CLAUSE_COLLAPSE. (cxx_omp_predetermined_sharing): Removed. * semantics.c (finish_omp_for): Allow pointer iterators. Use handle_omp_for_class_iterator and dependent_omp_for_p. Handle collapsed for loops. Adjust c_finish_omp_for caller. Add new clauses argument. Fix check for type dependent cond or incr. Set OMP_FOR_CLAUSES to clauses. Use cp_convert instead of fold_convert to convert incr amount to difference_type. Only fold if not in template. If decl is mentioned in lastprivate clause, set OMP_CLAUSE_LASTPRIVATE_STMT. Handle loops with random access iterators. Adjust for OMP_FOR_{INIT,COND,INCR} changes. (finish_omp_threadprivate): Allow static class members of the current class. (handle_omp_for_class_iterator, begin_omp_task, finish_omp_task, finish_omp_taskwait): New functions. * parser.c (cp_parser_binary_expression): Add prec argument. (cp_parser_assignment_expression): Adjust caller. * cp-tree.h (outer_curly_brace_block): New prototype. * decl.c (outer_curly_brace_block): No longer static. fortran/ * scanner.c (skip_free_comments, skip_fixed_comments): Handle tabs. * parse.c (next_free): Allow tab after !$omp. (decode_omp_directive): Handle !$omp task, !$omp taskwait and !$omp end task. (case_executable): Add ST_OMP_TASKWAIT. (case_exec_markers): Add ST_OMP_TASK. (gfc_ascii_statement): Handle ST_OMP_TASK, ST_OMP_END_TASK and ST_OMP_TASKWAIT. (parse_omp_structured_block, parse_executable): Handle ST_OMP_TASK. * gfortran.h (gfc_find_sym_in_expr): New prototype. (gfc_statement): Add ST_OMP_TASK, ST_OMP_END_TASK and ST_OMP_TASKWAIT. (gfc_omp_clauses): Add OMP_SCHED_AUTO to sched_kind, OMP_DEFAULT_FIRSTPRIVATE to default_sharing. Add collapse and untied fields. (gfc_exec_op): Add EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * f95-lang.c (LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, LANG_HOOKS_OMP_CLAUSE_DTOR, LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define. * trans.h (gfc_omp_clause_default_ctor): Add another argument. (gfc_omp_clause_copy_ctor, gfc_omp_clause_assign_op, gfc_omp_clause_dtor, gfc_omp_private_outer_ref): New prototypes. * types.def (BT_ULONGLONG, BT_PTR_ULONGLONG, BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_VOID_PTR_PTR, BT_PTR_FN_VOID_PTR_PTR, BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New. (BT_BOOL): Use integer type with BOOL_TYPE_SIZE rather than boolean_type_node. * dump-parse-tree.c (gfc_show_omp_node): Handle EXEC_OMP_TASK, EXEC_OMP_TASKWAIT, OMP_SCHED_AUTO, OMP_DEFAULT_FIRSTPRIVATE, untied and collapse clauses. (gfc_show_code_node): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * trans.c (gfc_trans_code): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * st.c (gfc_free_statement): Likewise. * resolve.c (gfc_resolve_blocks, resolve_code): Likewise. (find_sym_in_expr): Rename to... (gfc_find_sym_in_expr): ... this. No longer static. (resolve_allocate_expr, resolve_ordinary_assign): Adjust caller. * match.h (gfc_match_omp_task, gfc_match_omp_taskwait): New prototypes. * openmp.c (resolve_omp_clauses): Allow allocatable arrays in firstprivate, lastprivate, reduction, copyprivate and copyin clauses. (omp_current_do_code): Made static. (omp_current_do_collapse): New variable. (gfc_resolve_omp_do_blocks): Compute omp_current_do_collapse, clear omp_current_do_code and omp_current_do_collapse on return. (gfc_resolve_do_iterator): Handle collapsed do loops. (resolve_omp_do): Likewise, diagnose errorneous collapsed do loops. (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): Define. (gfc_match_omp_clauses): Handle default (firstprivate), schedule (auto), untied and collapse (n) clauses. (OMP_DO_CLAUSES): Add OMP_CLAUSE_COLLAPSE. (OMP_TASK_CLAUSES): Define. (gfc_match_omp_task, gfc_match_omp_taskwait): New functions. * trans-openmp.c (gfc_omp_private_outer_ref): New function. (gfc_omp_clause_default_ctor): Add outer argument. For allocatable arrays allocate them with the bounds of the outer var if outer var is allocated. (gfc_omp_clause_copy_ctor, gfc_omp_clause_assign_op, gfc_omp_clause_dtor): New functions. (gfc_trans_omp_array_reduction): If decl is allocatable array, allocate it with outer var's bounds in OMP_CLAUSE_REDUCTION_INIT and deallocate it in OMP_CLAUSE_REDUCTION_MERGE. (gfc_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED for assumed-size arrays. (gfc_trans_omp_do): Add par_clauses argument. If dovar is present in lastprivate clause and do loop isn't simple, set OMP_CLAUSE_LASTPRIVATE_STMT. If dovar is present in parallel's lastprivate clause, change it to shared and add lastprivate clause to OMP_FOR_CLAUSES. Handle collapsed do loops. (gfc_trans_omp_directive): Adjust gfc_trans_omp_do callers. (gfc_trans_omp_parallel_do): Likewise. Move collapse clause to OMP_FOR from OMP_PARALLEL. (gfc_trans_omp_clauses): Handle OMP_SCHED_AUTO, OMP_DEFAULT_FIRSTPRIVATE, untied and collapse clauses. (gfc_trans_omp_task, gfc_trans_omp_taskwait): New functions. (gfc_trans_omp_directive): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. gcc/testsuite/ * gcc.dg/gomp/collapse-1.c: New test. * gcc.dg/gomp/nesting-1.c: New test. * g++.dg/gomp/task-1.C: New test. * g++.dg/gomp/predetermined-1.C: New test. * g++.dg/gomp/tls-4.C: New test. * gfortran.dg/gomp/collapse1.f90: New test. * gfortran.dg/gomp/sharing-3.f90: New test. * gcc.dg/gomp/pr27499.c (foo): Remove is unsigned dg-warning. * g++.dg/gomp/pr27499.C (foo): Likewise. * g++.dg/gomp/for-16.C (foo): Likewise. * g++.dg/gomp/tls-3.C: Remove dg-error, add S::s definition. * g++.dg/gomp/pr34607.C: Adjust dg-error location. * g++.dg/gomp/for-16.C (foo): Add a new dg-error. * gcc.dg/gomp/appendix-a/a.35.4.c: Add dg-warning. * gcc.dg/gomp/appendix-a/a.35.6.c: Likewise. * gfortran.dg/gomp/appendix-a/a.35.4.f90: Likewise. * gfortran.dg/gomp/appendix-a/a.35.6.f90: Likewise. * gfortran.dg/gomp/omp_parse1.f90: Remove !$omp tab test. * gfortran.dg/gomp/appendix-a/a.33.4.f90: Remove dg-error about allocatable array. * gfortran.dg/gomp/reduction1.f90: Likewise. libgomp/ * configure.ac (LIBGOMP_GNU_SYMBOL_VERSIONING): New AC_DEFINE. Substitute also OMP_*LOCK_25*. * configure: Regenerated. * config.h.in: Regenerated. * Makefile.am (libgomp_la_SOURCES): Add loop_ull.c, iter_ull.c, ptrlock.c and task.c. * Makefile.in: Regenerated. * testsuite/Makefile.in: Regenerated. * task.c: New file. * loop_ull.c: New file. * iter_ull.c: New file. * libgomp.h: Include ptrlock.h. (enum gomp_task_kind): New type. (struct gomp_team): Add task_lock, task_queue, task_count, task_running_count, single_count fields. Add work_share_list_free_lock ifndef HAVE_SYNC_BUILTINS. Remove work_share_lock, generation_mask, oldest_live_gen, num_live_gen and init_work_shares fields, add work work_share_list_alloc, work_share_list_free and work_share_chunk fields. Change work_shares from pointer to pointers into an array. Change ordered_release field into gomp_sem_t ** from flexible array member. Add implicit_task and initial_work_shares fields. Move close to the end of the struct. (struct gomp_team_state): Add single_count, last_work_share, active_level and level fields, remove work_share_generation. (gomp_barrier_handle_tasks): New prototype. (gomp_finish_task): New inline function. (struct gomp_work_share): Move chunk_size, end, incr into transparent union/struct, add chunk_size_ull, end_ll, incr_ll and next_ll fields. Reshuffle fields. Add next_alloc, next_ws, next_free and inline_ordered_team_ids fields, change ordered_team_ids into pointer from flexible array member. Add mode field. Put lock and next into a different cache line from most of the write-once fields. (gomp_iter_ull_static_next, gomp_iter_ull_dynamic_next_locked, gomp_iter_ull_guided_next_locked, gomp_iter_ull_dynamic_next, gomp_iter_ull_guided_next): New prototypes. (gomp_new_icv): New prototype. (struct gomp_thread): Add thread_pool and task fields. (struct gomp_thread_pool): New type. (gomp_new_team): New prototype. (gomp_team_start): Change type of last argument. (gomp_new_work_share): Removed. (gomp_init_work_share, gomp_fini_work_share): New prototypes. (gomp_work_share_init_done): New static inline. (gomp_throttled_spin_count_var, gomp_available_cpus, gomp_managed_threads): New extern decls. (gomp_init_task): New prototype. (gomp_spin_count_var): New extern var decl. (LIBGOMP_GNU_SYMBOL_VERSIONING): Undef if no visibility or no alias support, or if not PIC. (gomp_init_lock_30, gomp_destroy_lock_30, gomp_set_lock_30, gomp_unset_lock_30, gomp_test_lock_30, gomp_init_nest_lock_30, gomp_destroy_nest_lock_30, gomp_set_nest_lock_30, gomp_unset_nest_lock_30, gomp_test_nest_lock_30, gomp_init_lock_25, gomp_destroy_lock_25, gomp_set_lock_25, gomp_unset_lock_25, gomp_test_lock_25, gomp_init_nest_lock_25, gomp_destroy_nest_lock_25, gomp_set_nest_lock_25, gomp_unset_nest_lock_25, gomp_test_nest_lock_25): New prototypes. (omp_lock_symver, strong_alias): Define. (gomp_remaining_threads_count, gomp_remaining_threads_lock): New decls. (gomp_end_task): New. (struct gomp_task_icv, gomp_global_icv): New. (gomp_thread_limit_var, gomp_max_active_levels_var): New. (struct gomp_task): New. (gomp_nthreads_var, gomp_dyn_var, gomp_nest_var, gomp_run_sched_var, gomp_run_sched_chunk): Remove. (gomp_icv): New. (gomp_schedule_type): Reorder enum to match omp_sched_t. * team.c (struct gomp_thread_start_data): Add thread_pool and task fields. (gomp_thread_start): Add gomp_team_barrier_wait call. For non-nested case remove clearing of docked thread thr fields. Use pool fields instead of global gomp_* variables. Use gomp_barrier_wait_last when needed. Initialize ts.active_level. Create tasks for each member thread. (free_team): Only destroy team barrier, task_lock here and free it. (gomp_free_thread): Free last_team if non-NULL. (gomp_team_end): Call gomp_team_barrier_wait instead of gomp_barrier_wait. For nested case call one extra gomp_barrier_wait. Move here some destruction from free_team. Call free_team on pool->last_team if any, rather than freeing current team. Destroy work_share_list_free_lock ifndef HAVE_SYNC_BUILTINS. (gomp_new_icv): New function. (gomp_threads, gomp_threads_size, gomp_threads_used, gomp_threads_dock): Removed. (gomp_thread_destructor): New variable. (gomp_new_thread_pool, gomp_free_pool_helper, gomp_free_thread): New functions. (gomp_team_start): Create new pool if current thread doesn't have one. Use pool fields instead of global gomp_* variables. Initialize thread_pool field for new threads. Clear single_count. Change last argument from ws to team, don't create new team, set ts.work_share to &team->work_shares[0] and clear ts.last_work_share. Don't clear ts.work_share_generation. If number of threads changed, adjust atomically gomp_managed_threads. Use gomp_init_task instead of gomp_new_task, set thr->task to the corresponding implicit_task array entry. Create tasks for each member thread. Initialize ts.level. (initialize_team): Call pthread_key_create on gomp_thread_destructor. (team_destructor): New function. (new_team): Removed. (gomp_new_team): New function. (free_team): Free gomp_work_share blocks chained through next_alloc, instead of freeing work_shares and destroying work_share_lock. (gomp_team_end): Call gomp_fini_work_share. If number of threads changed, adjust atomically gomp_managed_threads. Use gomp_end_task. * barrier.c (GOMP_barrier): Call gomp_team_barrier_wait instead of gomp_barrier_wait. * single.c (GOMP_single_copy_start): Call gomp_team_barrier_wait instead of gomp_barrier_wait. Call gomp_work_share_init_done if gomp_work_share_start returned true. Don't unlock ws->lock. (GOMP_single_copy_end): Call gomp_team_barrier_wait instead of gomp_barrier_wait. (GOMP_single_start): Rewritten if HAVE_SYNC_BUILTINS. Call gomp_work_share_init_done if gomp_work_share_start returned true. Don't unlock ws->lock. * work.c: Include stddef.h. (free_work_share): Use work_share_list_free_lock instead of atomic chaining ifndef HAVE_SYNC_BUILTINS. Add team argument. Call gomp_fini_work_share and then either free ws if orphaned, or put it into work_share_list_free list of the current team. (alloc_work_share, gomp_init_work_share, gomp_fini_work_share): New functions. (gomp_work_share_start, gomp_work_share_end, gomp_work_share_end_nowait): Rewritten. * omp_lib.f90.in Change some tabs to spaces to prevent warnings. (openmp_version): Set to 200805. (omp_sched_kind, omp_sched_static, omp_sched_dynamic, omp_sched_guided, omp_sched_auto): New parameters. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New interfaces. * omp_lib.h.in (openmp_version): Set to 200805. (omp_sched_kind, omp_sched_static, omp_sched_dynamic, omp_sched_guided, omp_sched_auto): New parameters. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New externals. * loop.c: Include limits.h. (GOMP_loop_runtime_next, GOMP_loop_ordered_runtime_next): Handle GFS_AUTO. (GOMP_loop_runtime_start, GOMP_loop_ordered_runtime_start): Likewise. Use gomp_icv. (gomp_loop_static_start, gomp_loop_dynamic_start): Clear ts.static_trip here. (gomp_loop_static_start, gomp_loop_ordered_static_start): Call gomp_work_share_init_done after gomp_loop_init. Don't unlock ws->lock. (gomp_loop_dynamic_start, gomp_loop_guided_start): Call gomp_work_share_init_done after gomp_loop_init. If HAVE_SYNC_BUILTINS, don't unlock ws->lock, otherwise lock it. (gomp_loop_ordered_dynamic_start, gomp_loop_ordered_guided_start): Call gomp_work_share_init_done after gomp_loop_init. Lock ws->lock. (gomp_parallel_loop_start): Call gomp_new_team instead of gomp_new_work_share. Call gomp_loop_init on &team->work_shares[0]. Adjust gomp_team_start caller. Pass 0 as second argument to gomp_resolve_num_threads. (gomp_loop_init): For GFS_DYNAMIC, multiply ws->chunk_size by incr. If adding ws->chunk_size nthreads + 1 times after end won't overflow, set ws->mode to 1. * libgomp_g.h (GOMP_loop_ull_static_start, GOMP_loop_ull_dynamic_start, GOMP_loop_ull_guided_start, GOMP_loop_ull_runtime_start, GOMP_loop_ull_ordered_static_start, GOMP_loop_ull_ordered_dynamic_start, GOMP_loop_ull_ordered_guided_start, GOMP_loop_ull_ordered_runtime_start, GOMP_loop_ull_static_next, GOMP_loop_ull_dynamic_next, GOMP_loop_ull_guided_next, GOMP_loop_ull_runtime_next, GOMP_loop_ull_ordered_static_next, GOMP_loop_ull_ordered_dynamic_next, GOMP_loop_ull_ordered_guided_next, GOMP_loop_ull_ordered_runtime_next, GOMP_task, GOMP_taskwait): New prototypes. * libgomp.map: Export lock routines also @@OMP_2.0. (GOMP_loop_ordered_dynamic_first, GOMP_loop_ordered_guided_first, GOMP_loop_ordered_runtime_first, GOMP_loop_ordered_static_first): Remove. (GOMP_loop_ull_dynamic_next, GOMP_loop_ull_dynamic_start, GOMP_loop_ull_guided_next, GOMP_loop_ull_guided_start, GOMP_loop_ull_ordered_dynamic_next, GOMP_loop_ull_ordered_dynamic_start, GOMP_loop_ull_ordered_guided_next, GOMP_loop_ull_ordered_guided_start, GOMP_loop_ull_ordered_runtime_next, GOMP_loop_ull_ordered_runtime_start, GOMP_loop_ull_ordered_static_next, GOMP_loop_ull_ordered_static_start, GOMP_loop_ull_runtime_next, GOMP_loop_ull_runtime_start, GOMP_loop_ull_static_next, GOMP_loop_ull_static_start, GOMP_task, GOMP_taskwait): Export @@GOMP_2.0. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level, omp_set_schedule_, omp_set_schedule_8_, omp_get_schedule_, omp_get_schedule_8_, omp_get_thread_limit_, omp_set_max_active_levels_, omp_set_max_active_levels_8_, omp_get_max_active_levels_, omp_get_level_, omp_get_ancestor_thread_num_, omp_get_ancestor_thread_num_8_, omp_get_team_size_, omp_get_team_size_8_, omp_get_active_level_): New exports @@OMP_3.0. * omp.h.in (omp_sched_t): New type. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New prototypes. * env.c (gomp_spin_count_var, gomp_throttled_spin_count_var, gomp_available_cpus, gomp_managed_threads, gomp_max_active_levels_var, gomp_thread_limit_var, gomp_remaining_threads_count, gomp_remaining_threads_lock): New variables. (parse_spincount): New function. (initialize_env): Call gomp_init_num_threads unconditionally. Initialize gomp_available_cpus. Call parse_spincount, initialize gomp_{,throttled_}spin_count_var depending on presence and value of OMP_WAIT_POLICY and GOMP_SPINCOUNT env vars. Handle GOMP_BLOCKTIME env var. Handle OMP_WAIT_POLICY, OMP_MAX_ACTIVE_LEVELS, OMP_THREAD_LIMIT, OMP_STACKSIZE env vars. Handle unit specification for GOMP_STACKSIZE. Initialize gomp_remaining_threads_count and gomp_remaining_threads_lock if needed. Use gomp_global_icv. (gomp_nthreads_var, gomp_dyn_var, gomp_nest_var, gomp_run_sched_var, gomp_run_sched_chunk): Remove. (gomp_global_icv): New. (parse_schedule): Use it. Parse "auto". (omp_set_num_threads): Use gomp_icv. (omp_set_dynamic, omp_get_dynamic, omp_set_nested, omp_get_nested): Likewise. (omp_get_max_threads): Move from parallel.c. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels): New functions, add ialias. (parse_stacksize, parse_wait_policy): New functions. * fortran.c: Rewrite lock wrappers, if symbol versioning provide both wrappers for compatibility and new locks. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New ialias_redirect. (omp_set_schedule_, omp_set_schedule_8_, omp_get_schedule_, omp_get_schedule_8_, omp_get_thread_limit_, omp_set_max_active_levels_, omp_set_max_active_levels_8_, omp_get_max_active_levels_, omp_get_level_, omp_get_ancestor_thread_num_, omp_get_ancestor_thread_num_8_, omp_get_team_size_, omp_get_team_size_8_, omp_get_active_level_): New functions. * parallel.c: Include limits.h. (gomp_resolve_num_threads): Add count argument. Rewritten. (GOMP_parallel_start): Call gomp_new_team and pass that as last argument to gomp_team_start. Pass 0 as second argument to gomp_resolve_num_threads. (GOMP_parallel_end): Decrease gomp_remaining_threads_count if gomp_thread_limit_var != ULONG_MAX. (omp_in_parallel): Implement using ts.active_level. (omp_get_max_threads): Move to env.c. (omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New functions, add ialias. * sections.c (GOMP_sections_start): Call gomp_work_share_init_done after gomp_sections_init. If HAVE_SYNC_BUILTINS, call gomp_iter_dynamic_next instead of the _locked variant and don't take lock around it, otherwise acquire it before calling gomp_iter_dynamic_next_locked. (GOMP_sections_next): If HAVE_SYNC_BUILTINS, call gomp_iter_dynamic_next instead of the _locked variant and don't take lock around it. (GOMP_parallel_sections_start): Call gomp_new_team instead of gomp_new_work_share. Call gomp_sections_init on &team->work_shares[0]. Adjust gomp_team_start caller. Pass count as second argument to gomp_resolve_num_threads, don't adjust num_threads after the call. Use gomp_icv. * iter.c (gomp_iter_dynamic_next_locked): Don't multiply ws->chunk_size by incr. (gomp_iter_dynamic_next): Likewise. If ws->mode, use more efficient code. * libgomp_f.h.in (omp_lock_25_arg_t, omp_nest_lock_25_arg_t): New types. (omp_lock_25_arg, omp_nest_lock_25_arg): New macros. (omp_check_defines): Check even the compat defines. * config/linux/ptrlock.c: New file. * config/linux/ptrlock.h: New file. * config/linux/wait.h: New file. * config/posix/ptrlock.c: New file. * config/posix/ptrlock.h: New file. * config/linux/bar.h (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New prototypes. (gomp_team_barrier_set_task_pending, gomp_team_barrier_clear_task_pending, gomp_team_barrier_set_waiting_for_tasks, gomp_team_barrier_waiting_for_tasks, gomp_team_barrier_done): New inlines. (gomp_barrier_t): Rewritten. (gomp_barrier_state_t): New typedef. (gomp_barrier_init, gomp_barrier_reinit, gomp_barrier_destroy, gomp_barrier_wait_start): Rewritten. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_barrier_last_thread, gomp_barrier_wait_last): New static inlines. * config/linux/bar.c: Include wait.h instead of libgomp.h and futex.h. (gomp_barrier_wait_end): Rewritten. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake, gomp_barrier_wait_last): New functions. * config/posix/bar.h (gomp_barrier_t): Add generation field. (gomp_barrier_state_t): New typedef. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New prototypes. (gomp_barrier_wait_start): Or all but low 2 bits from generation into the return value. Return gomp_barrier_state_t. (gomp_team_barrier_set_task_pending, gomp_team_barrier_clear_task_pending, gomp_team_barrier_set_waiting_for_tasks, gomp_team_barrier_waiting_for_tasks, gomp_team_barrier_done): New inlines. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_barrier_last_thread, gomp_barrier_wait_last): New static inlines. * config/posix/bar.c (gomp_barrier_init): Clear generation field. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New functions. * config/linux/mutex.c: Include wait.h instead of libgomp.h and futex.h. (gomp_futex_wake, gomp_futex_wait): New variables. (gomp_mutex_lock_slow): Call do_wait instead of futex_wait. * config/linux/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. Include wait.h instead of libgomp.h and futex.h. (gomp_set_nest_lock_25): Call do_wait instead of futex_wait. * config/posix95/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. * config/posix/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. * config/linux/proc.c (gomp_init_num_threads): Use gomp_global_icv. (get_num_procs, gomp_dynamic_max_threads): Use gomp_icv. * config/posix/proc.c, config/mingw32/proc.c: Similarly. * config/linux/powerpc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/alpha/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/x86/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/s390/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/ia64/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/sparc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/sem.c: Include wait.h instead of libgomp.h and futex.h. (gomp_sem_wait_slow): Call do_wait instead of futex_wait. * config/linux/affinity.c: Assume HAVE_SYNC_BUILTINS. * config/linux/omp-lock.h (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_nest_lock_t): Change owner into void *, add lock field. * config/posix95/omp-lock.h: Include semaphore.h. (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_lock_t): Use sem_t instead of mutex if semaphores aren't broken. (omp_nest_lock_t): Likewise. Change owner to void *. * config/posix/omp-lock.h: Include semaphore.h. (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_lock_t): Use sem_t instead of mutex if semaphores aren't broken. (omp_nest_lock_t): Likewise. Add owner field. * testsuite/libgomp.c/collapse-1.c: New test. * testsuite/libgomp.c/collapse-2.c: New test. * testsuite/libgomp.c/collapse-3.c: New test. * testsuite/libgomp.c/icv-1.c: New test. * testsuite/libgomp.c/icv-2.c: New test. * testsuite/libgomp.c/lib-2.c: New test. * testsuite/libgomp.c/lock-1.c: New test. * testsuite/libgomp.c/lock-2.c: New test. * testsuite/libgomp.c/lock-3.c: New test. * testsuite/libgomp.c/loop-4.c: New test. * testsuite/libgomp.c/loop-5.c: New test. * testsuite/libgomp.c/loop-6.c: New test. * testsuite/libgomp.c/loop-7.c: New test. * testsuite/libgomp.c/loop-8.c: New test. * testsuite/libgomp.c/loop-9.c: New test. * testsuite/libgomp.c/nested-3.c: New test. * testsuite/libgomp.c/nestedfn-6.c: New test. * testsuite/libgomp.c/sort-1.c: New test. * testsuite/libgomp.c/task-1.c: New test. * testsuite/libgomp.c/task-2.c: New test. * testsuite/libgomp.c/task-3.c: New test. * testsuite/libgomp.c/task-4.c: New test. * testsuite/libgomp.c++/c++.exp: Add libstdc++-v3 build includes to C++ testsuite default compiler options. * testsuite/libgomp.c++/collapse-1.C: New test. * testsuite/libgomp.c++/collapse-2.C: New test. * testsuite/libgomp.c++/ctor-10.C: New test. * testsuite/libgomp.c++/for-1.C: New test. * testsuite/libgomp.c++/for-2.C: New test. * testsuite/libgomp.c++/for-3.C: New test. * testsuite/libgomp.c++/for-4.C: New test. * testsuite/libgomp.c++/for-5.C: New test. * testsuite/libgomp.c++/loop-8.C: New test. * testsuite/libgomp.c++/loop-9.C: New test. * testsuite/libgomp.c++/loop-10.C: New test. * testsuite/libgomp.c++/task-1.C: New test. * testsuite/libgomp.c++/task-2.C: New test. * testsuite/libgomp.c++/task-3.C: New test. * testsuite/libgomp.c++/task-4.C: New test. * testsuite/libgomp.c++/task-5.C: New test. * testsuite/libgomp.c++/task-6.C: New test. * testsuite/libgomp.fortran/allocatable1.f90: New test. * testsuite/libgomp.fortran/allocatable2.f90: New test. * testsuite/libgomp.fortran/allocatable3.f90: New test. * testsuite/libgomp.fortran/allocatable4.f90: New test. * testsuite/libgomp.fortran/collapse1.f90: New test. * testsuite/libgomp.fortran/collapse2.f90: New test. * testsuite/libgomp.fortran/collapse3.f90: New test. * testsuite/libgomp.fortran/collapse4.f90: New test. * testsuite/libgomp.fortran/lastprivate1.f90: New test. * testsuite/libgomp.fortran/lastprivate2.f90: New test. * testsuite/libgomp.fortran/lib4.f90: New test. * testsuite/libgomp.fortran/lock-1.f90: New test. * testsuite/libgomp.fortran/lock-2.f90: New test. * testsuite/libgomp.fortran/nested1.f90: New test. * testsuite/libgomp.fortran/nestedfn4.f90: New test. * testsuite/libgomp.fortran/strassen.f90: New test. * testsuite/libgomp.fortran/tabs1.f90: New test. * testsuite/libgomp.fortran/tabs2.f: New test. * testsuite/libgomp.fortran/task1.f90: New test. * testsuite/libgomp.fortran/task2.f90: New test. * testsuite/libgomp.fortran/vla4.f90: Add dg-warning. * testsuite/libgomp.fortran/vla5.f90: Likewise. * testsuite/libgomp.c/pr26943-2.c: Likewise. * testsuite/libgomp.c/pr26943-3.c: Likewise. * testsuite/libgomp.c/pr26943-4.c: Likewise. Co-Authored-By: Jakob Blomer <jakob.blomer@ira.uka.de> Co-Authored-By: Richard Henderson <rth@redhat.com> Co-Authored-By: Ulrich Drepper <drepper@redhat.com> From-SVN: r136433
2008-06-06 15:01:54 +02:00
omp_get_thread_num (void)
[multiple changes] 2006-01-18 Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * libgomp: New directory. * Makefile.def: Add target_module libgomp. * Makefile.in: Regenerate. * configure.in (target_libraries): Add target-libgomp. * configure: Regenerate. contrib/ 2006-01-18 Richard Henderson <rth@redhat.com> Diego Novillo <dnovillo@redhat.com> * gcc_update (files_and_dependencies): Add libgomp files. gcc/ 2006-01-18 Richard Henderson <rth@redhat.com> Aldy Hernandez <aldyh@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * omp-low.c: New file. * c-omp.c: New file. 2006-01-18 Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * doc/invoke.texi: Document -fopenmp. * tree-dump.h (debug_function): Declare. * hooks.c (hook_bool_tree_bool_false): New function. (hook_tree_tree_null): Remove. (hook_tree_tree_tree_null): New. * hooks.h: Update to match. * tree-pretty-print.c (debug_tree_chain): New. (print_generic_expr): Handle TDF_CHAIN. (dump_generic_node): Handle BLOCK. Do not abort with incomplete SWITCH_EXPRs. Do not dump body of an OpenMP directive if TDF_SLIM is given. <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't print space after directive name. <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY. Handle OMP_MASTER and OMP_ORDERED. Handle printing of OMP_BODY just in one place, goto dump_omp_body in the rest of OMP_* nodes that have OMP_BODY. Don't handle clause nodes here. Update omp statements to use dump_omp_clauses. Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION, OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC, OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF, GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED, GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE, GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE. Adjust output for GOMP_PARALLEL. (dump_omp_clauses): New. (print_declaration): Dump DECL_VALUE_EXPR. (op_symbol_1): Split out of op_symbol. (dumping_stmts): Remove. Update all users. * cgraph.c (cgraph_analyze_queue): New. (cgraph_add_new_function): New. * cgraph.h (cgraph_analyze_queue): Declare. (cgraph_add_new_function): Declare. (cgraph_lower_function): Remove. * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_* nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS and TYPE_P nodes in its default clause. (empty_body_p): New. (tree_range_check_failed): New. (build5_stat): New. * tree.h (OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE, OMP_CLAUSE_REDUCTION_PLACEHOLDER, OMP_CLAUSE_PRIVATE_DEBUG, OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY, OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY, OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND, OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL, OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR, OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT, OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT, OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC, OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST, OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY, OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY, OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New. (TREE_RANGE_CHECK): New. (empty_body_p): Declare. (enum omp_clause_default_kind): New. (build_string_literal): Declare. (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New. (build5_stat, build5): Declare. * tree-pass.h (TDF_CHAIN): Define. * tree-pass.h (PROP_gimple_lomp): Define. (pass_lower_omp): Declare. * diagnostic.h (debug_tree_chain): Declare. * builtins.c (get_builtin_sync_mode): Use 0 as last argument to mode_for_size. (expand_builtin): Handle sync BUILT_IN_*_16 builtins. * builtins.c (build_string_literal): Make extern. * gcc.c (include_spec_function): New. (static_spec_functions): Add it. (main): Move load of libgomp.spec ... (LINK_COMMAND_SPEC): ... here. (link_gomp_spec): New. (static_specs): Include it. (LINK_COMMAND_SPEC): Add link_gomp. (GOMP_SELF_SPECS): New. (driver_self_specs): Include it. (switch_matches): Don't mark inline. (main): Load libgomp.spec. * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION, and OMP_SINGLE, OMP_FOR and OMP_PARALLEL. * tree-gimple.h (enum omp_parallel): Declare. (determine_parallel_type): Declare. (omp_firstprivatize_variable): Declare. (omp_reduction_init): Declare. (diagnose_omp_structured_block_errors): Declare. (struct walk_stmt_info): Add want_return_expr. (struct walk_stmt_info): Add want_bind_expr, want_locations. (find_omp_clause): Declare. (insert_field_into_struct): Declare. (struct walk_stmt_info): Move from tree-nested.c (walk_stmts): Declare. * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP to 200505. * cgraphunit.c (cgraph_lower_function): Make static. (cgraph_finalize_pending_functions): New. (cgraph_finalize_function): Call it. (cgraph_finalize_compilation_unit): Likewise. * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16, BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add. (BT_FN_UINT_UINT): New. (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7, DEF_FUNCTION_TYPE_VAR_4): Document. (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT, BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR, BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT, BT_FN_VOID_OMPFN_PTR_UINT_UINT, BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR, BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New. * builtins.def: Update DEF_BUILTIN comment to include COND argument. Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins into separate files. (DEF_GOMP_BUILTIN): New. (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER, BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END, BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END, BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START, BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START, BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START, BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START, BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START, BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT, 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_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT, BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END, BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END, BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT, BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END, BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START, BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New. * sync-builtins.def: New file, moved from builtins.def. * omp-builtins.def: New file, moved from builtins.def. * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine. * gimple-low.c (lower_function_body): Clear data. (lower_stmt): Do not handle COMPOUND_EXPR. Remove call to print_node_brief. * c-tree.h (c_finish_omp_clauses): New prototype. (C_DECL_THREADPRIVATE_P): Define. (lookup_name_no_remap, c_omp_remap_private): Remove (c_begin_omp_parallel, c_finish_omp_parallel): Update. (check_for_loop_decls): Update decl. (lookup_name_no_remap, c_omp_remap_private): Declare. (build_indirect_ref, build_modify_expr, pushdecl, pushdecl_top_level): Move to c-common.h. * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp before the switch, but just in the 2 places that need it. * c-decl.c (diagnose_mismatched_decls): Do not check for mismatched thread-local attributes when OLDDECL is marked threadprivate and NEWDECL has no thread-local attributes. (merge_decls): Merge C_DECL_THREADPRIVATE_P. (c_gimple_diagnostics_recursively): Rename from c_warn_unused_result_recursively. Invoke diagnose_omp_structured_block_errors. (check_for_loop_decls): Return a singular decl found. * langhooks.c (lhd_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls. (lhd_omp_firstprivatize_type_sizes): New. (lhd_omp_assignment): New. (lhd_omp_predetermined_sharing): New. * langhooks.h (struct gimplify_omp_ctx): Forward declare. (struct lang_hooks_for_types): Add omp_firstprivatize_type_sizes, omp_privatize_by_reference, omp_predetermined_sharing, omp_disregard_value_expr, omp_private_debug_clause, omp_clause_default_ctor, omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor. (c_finish_omp_clauses): New. (c_finish_bc_stmt): Diagnose break within omp for. (c_begin_omp_parallel, c_finish_omp_parallel): New. (build_unary_op): Return error_mark after reporting a readonly_error. (build_modify_expr): Likewise. * gimplify.c: Include optabs.h and pointer-set.h. (enum gimplify_omp_var_data): Declare. (struct gimplify_omp_ctx): Declare. (struct gimplify_ctx): Add fields prev_context, combined_pre_p and combined_ctxp. (gimplify_ctxp, gimplify_omp_ctxp): New local variables. (push_gimplify_context, pop_gimplify_context): Allow nesting. (splay_tree_compare_decl_uid): New. (new_omp_context): New. (delete_omp_context): New. (gimple_add_tmp_var): Call omp_add_variable. (gimplify_bind_expr): Likewise. (gimplify_var_or_parm_decl): If omp_notice_variable returned true, disregard DECL_VALUE_EXPR on the decl if any. (gimplify_expr_in_ctx): New. (omp_firstprivatize_variable, omp_firstprivatize_type_sizes omp_add_variable, omp_notice_variable, omp_is_private gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1 gimplify_adjust_omp_clauses, gimplify_omp_parallel gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p gimplify_omp_atomic_fetch_op, goa_stabilize_expr gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex gimplify_omp_atomic): New. (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS, OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL and OMP_ATOMIC. (gimplify_body): Verify gimplify_ctxp is empty after gimplification. * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER, PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR, PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED, PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR, PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION, PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE, PRAGMA_OMP_THREADPRIVATE. * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS, OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define. * print-tree.c (print_node): Dump DECL_VALUE_EXPR. * tree-ssa-dce.c (find_control_dependence): Do not assume that ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR). * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for OpenMP directives. (struct nesting_info): Add field_map, suppress_expansion, debug_var_chain. (create_nesting_tree): Initialize them. (lookup_field_for_decl): Use field_map. (get_nonlocal_debug_decl, get_local_debug_decl): New. (convert_local_omp_clauses): New. (finalize_nesting_tree_1): Add debug_var_chain to toplevel block. (walk_body): Split out of walk_function. (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New. (convert_nonlocal_reference): Handle omp statements. (convert_local_reference): Likewise. (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1. (unnest_nesting_tree): New. (lower_nested_functions): Call it. (insert_field_into_struct): Make extern. (struct walk_stmt_info): Move to tree-gimple.h. (walk_stmts): Make extern. * omp-builtins.def: New file. * tree-iterator.c (expr_only): Clarify comment. * c-common.h (pushdecl_top_level, pushdecl, build_modify_expr, build_indirect_ref, c_finish_omp_master, c_finish_omp_critical, c_finish_omp_ordered, c_finish_omp_barrier, c_finish_omp_atomic, c_finish_omp_flush, c_finish_omp_for, c_split_parallel_clauses, omp_clause_default_kind, c_omp_sharing_predetermined, c_omp_remap_decl): Declare. * Makefile.in (BUILTINS_DEF): Add omp-builtins.def. (OBJS-common): Add omp-low.o. (c-omp.o, omp-low.o): Add. (gimplify.o): Add dependency on $(OPTABS_H). (GTFILES): Add omp-low.c. (gt-stringpool.h): Add. * tree-cfg.c (set_bb_for_stmt): Do not update the block-to-labels map if we are currently expanding to RTL. (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P checks. Handle IDENTIFIER_NODE. (tree_verify_flow_info): Do not ICE when emitting error messages about invalid labels. (dump_function_to_file): Reset CFUN before emitting the body of the function. (debug_function): New. * passes.c (init_optimization_passes): Schedule pass_lower_omp. * langhooks-def.h (lhd_omp_predetermined_sharing, lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes): Declare. (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define. (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it. (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE, LANG_HOOKS_OMP_PREDETERMINED_SHARING, LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR, LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE, LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR, LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, LANG_HOOKS_OMP_CLAUSE_DTOR): Define. (LANG_HOOK_DECLS): Use them. 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com> Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * c-parser.c (pragma_omp_clause): Define. (c_parser_declaration_or_fndef): Document OpenMP syntax. (c_parser_compound_statement): Likewise. (c_parser_statement): Likewise. (c_parser_pragma): Handle omp pragmas. (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK, OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define. (c_parser_omp_clause_name, check_no_duplicate_clause, c_parser_omp_variable_list, c_parser_omp_var_list_parens, c_parser_omp_clause_copyin, c_parser_omp_clause_copyprivate, c_parser_omp_clause_default, c_parser_omp_clause_firstprivate, c_parser_omp_clause_if, c_parser_omp_clause_lastprivate, c_parser_omp_clause_nowait, c_parser_omp_clause_num_threads, c_parser_omp_clause_ordered, c_parser_omp_clause_private, c_parser_omp_clause_reduction, c_parser_omp_clause_schedule, c_parser_omp_clause_shared, c_parser_omp_all_clauses, c_parser_omp_structured_block, c_parser_omp_atomic, c_parser_omp_barrier, c_parser_omp_critical, c_parser_omp_flush, c_parser_omp_for_loop, c_parser_omp_for, c_parser_omp_master, c_parser_omp_ordered, c_parser_omp_sections_scope, c_parser_omp_sections, c_parser_omp_parallel, c_parser_omp_single, c_parser_omp_construct, c_parser_omp_threadprivate): New. * c-pragma.c (init_pragma): Do omp pragma registration here. * c.opt (fopenmp): New flag. 2006-01-18 Eric Christopher <echristo@apple.com> * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif. * config/darwin.h (GOMP_SELF_SPECS): Define. testsuite/ 2006-01-18 Richard Henderson <rth@redhat.com> Aldy Hernandez <aldyh@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> Uros Bizjak <uros@kss-loka.si> * testsuite/gcc.dg/gomp: New directory. From-SVN: r109902
2006-01-18 20:21:25 +01:00
{
c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805. * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805. * langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause. Add omp_private_outer_ref hook, add another argument to omp_clause_default_ctor hook. * langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define. (LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define. (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to hook_tree_tree_tree_tree_null. (LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and LANG_HOOKS_OMP_PRIVATE_OUTER_REF. * hooks.c (hook_tree_tree_tree_tree_null): New function. * hooks.h (hook_tree_tree_tree_tree_null): New prototype. * tree.def (OMP_TASK): New tree code. * tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN, OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT, OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES, OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY, OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG, OMP_CLAUSE_COLLAPSE_EXPR): Define. (enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. (OMP_DIRECTIVE_P): Add OMP_TASK. (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes. (OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind. * tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED entries. (omp_clause_num_ops): Likewise. Increase OMP_CLAUSE_LASTPRIVATE num_ops to 2. (walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Walk OMP_CLAUSE_LASTPRIVATE_STMT. * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. (dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops. * c-omp.c (c_finish_omp_for): Allow pointer iterators. Remove warning about unsigned iterators. Change decl/init/cond/incr arguments to TREE_VECs, check arguments for all collapsed loops. (c_finish_omp_taskwait): New function. (c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to ws_clauses. * c-parser.c (c_parser_omp_for_loop): Parse collapsed loops. Call default_function_array_conversion on init. Add par_clauses argument. If decl is present in parallel's lastprivate clause, change it to shared and add lastprivate clause for decl to OMP_FOR_CLAUSES. Add clauses argument, on success set OMP_FOR_CLAUSES to it. Look up collapse count in clauses. (c_parser_omp_for, c_parser_omp_parallel): Adjust c_parser_omp_for_loop callers. (OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE. (c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT. (c_parser_omp_clause_name): Handle collapse and untied clauses. (c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New functions. (c_parser_omp_clause_schedule): Handle schedule(auto). Include correct location in the error message. (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE and PRAGMA_OMP_CLAUSE_UNTIED. (OMP_TASK_CLAUSE_MASK): Define. (c_parser_omp_task, c_parser_omp_taskwait): New functions. (c_parser_omp_construct): Handle PRAGMA_OMP_TASK. * tree-nested.c (convert_nonlocal_omp_clauses, convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE, OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in OMP_CLAUSE_DECL. (conver_nonlocal_reference, convert_local_reference, convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL. Use OMP_TASKREG_* macros rather than OMP_PARALLEL_*. (walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes. * tree-gimple.c (is_gimple_stmt): Handle OMP_TASK. * c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes. * c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New. (PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New. * c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions. (c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. * c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas. * c-common.h (c_finish_omp_taskwait): New prototype. * gimple-low.c (lower_stmt): Handle OMP_TASK. * tree-parloops.c (create_parallel_loop): Create 1 entry vectors for OMP_FOR_{INIT,COND,INCR}. * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers. (make_edges): Handle OMP_TASK. * tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. * tree-inline.c (estimate_num_insns_1): Handle OMP_TASK. * builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR, BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New. * omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT, BUILT_IN_GOMP_LOOP_ULL_STATIC_START, BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ULL_GUIDED_START, BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins. * gimplify.c (gimplify_omp_for): Allow pointer type for decl, handle POINTER_PLUS_EXPR. If loop counter has been replaced and original iterator is present in lastprivate clause or if collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT. Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. (gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK. (enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF. (omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed, if it is set, lookup var in outer contexts too. Handle OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. Handle vars that are supposed to be implicitly determined firstprivate for task regions. (gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed, if it is set, lookup var in outer contexts too. Set OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set. Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Take region_type as last argument instead of in_parallel and in_combined_parallel. (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare): Adjust callers. (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set. Call omp_finish_clause langhook. (new_omp_context): Set default_kind to OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions. (omp_region_type): New enum. (struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel fields, add region_type. (new_omp_context): Take region_type as argument instead of is_parallel and is_combined_parallel. (gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable, omp_is_private, omp_check_private): Adjust ctx->is_parallel and ctx->is_combined_parallel checks. (gimplify_omp_task): New function. (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. * omp-low.c (extract_omp_for_data): Use schedule(static) for schedule(auto). Handle pointer and unsigned iterators. Compute fd->iter_type. Handle POINTER_PLUS_EXPR increments. Add loops argument. Extract data for collapsed OMP_FOR loops. (expand_parallel_call): Assert sched_kind isn't auto, map runtime schedule to index 3. (struct omp_for_data_loop): New type. (struct omp_for_data): Remove v, n1, n2, step, cond_code fields. Add loop, loops, collapse and iter_type fields. (workshare_safe_to_combine_p): Disallow combined for if iter_type is unsigned long long. Don't combine collapse > 1 loops unless all bounds and steps are constant. Adjust extract_omp_for_data caller. (expand_omp_for_generic): Handle pointer, unsigned and long long iterators. Handle collapsed OMP_FOR loops. Adjust for struct omp_for_data changes. If libgomp function doesn't return boolean_type_node, add comparison of the return value with 0. (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle pointer, unsigned and long long iterators. Adjust for struct omp_for_data changes. (expand_omp_for): Assert sched_kind isn't auto, map runtime schedule to index 3. Use GOMP_loop_ull*{start,next} if iter_type is unsigned long long. Allocate loops array, pass it to extract_omp_for_data. For collapse > 1 loops use always expand_omp_for_generic. (omp_context): Add sfield_map and srecord_type fields. (is_task_ctx, lookup_sfield): New functions. (use_pointer_for_field): Use is_task_ctx helper. Change first argument's type from const_tree to tree. Clarify comment. In OMP_TASK disallow copy-in/out sharing. (build_sender_ref): Call lookup_sfield instead of lookup_field. (install_var_field): Add mask argument. Populate both record_type and srecord_type if needed. (delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN in srecord_type. (fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT} and DECL_FIELD_OFFSET. (scan_sharing_clauses): Adjust install_var_field callers. For firstprivate clauses on explicit tasks allocate the var by value in record_type unconditionally, rather than by reference. Handle OMP_CLAUSE_PRIVATE_OUTER_REF. Scan OMP_CLAUSE_LASTPRIVATE_STMT. Use is_taskreg_ctx instead of is_parallel_ctx. Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. (create_omp_child_function_name): Add task_copy argument, use *_omp_cpyfn* names if it is true. (create_omp_child_function): Add task_copy argument, if true create *_omp_cpyfn* helper function. (scan_omp_parallel): Adjust create_omp_child_function callers. Rename parallel_nesting_level to taskreg_nesting_level. (scan_omp_task): New function. (lower_rec_input_clauses): Don't run constructors for firstprivate explicit task vars which are initialized by *_omp_cpyfn*. Pass outer var ref to omp_clause_default_ctor hook if OMP_CLAUSE_PRIVATE_OUTER_REF or OMP_CLAUSE_LASTPRIVATE. Replace OMP_CLAUSE_REDUCTION_PLACEHOLDER decls in OMP_CLAUSE_REDUCTION_INIT. (lower_send_clauses): Clear DECL_ABSTRACT_ORIGIN if in task to avoid duplicate setting of fields. Handle OMP_CLAUSE_PRIVATE_OUTER_REF. (lower_send_shared_vars): Use srecord_type if non-NULL. Don't copy-out if TREE_READONLY, only copy-in. (expand_task_copyfn): New function. (expand_task_call): New function. (struct omp_taskcopy_context): New type. (task_copyfn_copy_decl, task_copyfn_remap_type, create_task_copyfn): New functions. (lower_omp_parallel): Rename to... (lower_omp_taskreg): ... this. Use OMP_TASKREG_* macros where needed. Call create_task_copyfn if srecord_type is needed. Adjust sender_decl type. (task_shared_vars): New variable. (check_omp_nesting_restrictions): Warn if work-sharing, barrier, master or ordered region is closely nested inside OMP_TASK. Add warnings for barrier if closely nested inside of work-sharing, ordered, or master region. (scan_omp_1): Call check_omp_nesting_restrictions even for GOMP_barrier calls. Rename parallel_nesting_level to taskreg_nesting_level. Handle OMP_TASK. (lower_lastprivate_clauses): Even if some lastprivate is found on a work-sharing construct, continue looking for them on parent parallel construct. (lower_omp_for_lastprivate): Add lastprivate clauses to the beginning of dlist rather than end. Adjust for struct omp_for_data changes. (lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY, not after it. Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller. (get_ws_args_for): Adjust extract_omp_for_data caller. (scan_omp_for): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. (lower_omp_single_simple): If libgomp function doesn't return boolean_type_node, add comparison of the return value with 0. (diagnose_sb_1, diagnose_sb_2): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. Handle OMP_TASK. (parallel_nesting_level): Rename to... (taskreg_nesting_level): ... this. (is_taskreg_ctx): New function. (build_outer_var_ref, omp_copy_decl): Use is_taskreg_ctx instead of is_parallel_ctx. (execute_lower_omp): Rename parallel_nesting_level to taskreg_nesting_level. (expand_omp_parallel): Rename to... (expand_omp_taskreg): ... this. Use OMP_TASKREG_* macros where needed. Call omp_task_call for OMP_TASK regions. (expand_omp): Adjust caller, handle OMP_TASK. (lower_omp_1): Adjust lower_omp_taskreg caller, handle OMP_TASK. * bitmap.c (bitmap_default_obstack_depth): New variable. (bitmap_obstack_initialize, bitmap_obstack_release): Do nothing if argument is NULL and bitmap_default_obstack is already initialized. * ipa-struct-reorg.c (do_reorg_1): Call bitmap_obstack_release at the end. * matrix-reorg.c (matrix_reorg): Likewise. cp/ * cp-tree.h (cxx_omp_finish_clause, cxx_omp_create_clause_info, dependent_omp_for_p, begin_omp_task, finish_omp_task, finish_omp_taskwait): New prototypes. (cxx_omp_clause_default_ctor): Add outer argument. (finish_omp_for): Add new clauses argument. * cp-gimplify.c (cxx_omp_finish_clause): New function. (cxx_omp_predetermined_sharing): Moved from semantics.c, rewritten. (cxx_omp_clause_default_ctor): Add outer argument. (cp_genericize_r): Walk OMP_CLAUSE_LASTPRIVATE_STMT. * cp-objcp-common.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define. * parser.c (cp_parser_omp_for_loop): Parse collapsed for loops. Add par_clauses argument. If decl is present in parallel's lastprivate clause, change that clause to shared and add a lastprivate clause for decl to OMP_FOR_CLAUSES. Fix wording of error messages. Adjust finish_omp_for caller. Add clauses argument. Parse loops with random access iterators. (cp_parser_omp_clause_collapse, cp_parser_omp_clause_untied): New functions. (cp_parser_omp_for, cp_parser_omp_parallel): Adjust cp_parser_omp_for_loop callers. (cp_parser_omp_for_cond, cp_parser_omp_for_incr): New helper functions. (cp_parser_omp_clause_name): Handle collapse and untied clauses. (cp_parser_omp_clause_schedule): Handle auto schedule. (cp_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE and PRAGMA_OMP_CLAUSE_UNTIED. (OMP_FOR_CLAUSE_MASK): Add PRAGMA_OMP_CLAUSE_COLLAPSE. (OMP_TASK_CLAUSE_MASK): Define. (cp_parser_omp_task, cp_parser_omp_taskwait): New functions. (cp_parser_omp_construct): Handle PRAGMA_OMP_TASK. (cp_parser_pragma): Handle PRAGMA_OMP_TASK and PRAGMA_OMP_TASKWAIT. * pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Handle OMP_CLAUSE_LASTPRIVATE_STMT. (tsubst_omp_for_iterator): New function. (dependent_omp_for_p): New function. (tsubst_expr) <case OMP_FOR>: Use it. Handle collapsed OMP_FOR loops. Adjust finish_omp_for caller. Handle loops with random access iterators. Adjust for OMP_FOR_{INIT,COND,INCR} changes. (tsubst_expr): Handle OMP_TASK. * semantics.c (cxx_omp_create_clause_info): New function. (finish_omp_clauses): Call it. Handle OMP_CLAUSE_UNTIED and OMP_CLAUSE_COLLAPSE. (cxx_omp_predetermined_sharing): Removed. * semantics.c (finish_omp_for): Allow pointer iterators. Use handle_omp_for_class_iterator and dependent_omp_for_p. Handle collapsed for loops. Adjust c_finish_omp_for caller. Add new clauses argument. Fix check for type dependent cond or incr. Set OMP_FOR_CLAUSES to clauses. Use cp_convert instead of fold_convert to convert incr amount to difference_type. Only fold if not in template. If decl is mentioned in lastprivate clause, set OMP_CLAUSE_LASTPRIVATE_STMT. Handle loops with random access iterators. Adjust for OMP_FOR_{INIT,COND,INCR} changes. (finish_omp_threadprivate): Allow static class members of the current class. (handle_omp_for_class_iterator, begin_omp_task, finish_omp_task, finish_omp_taskwait): New functions. * parser.c (cp_parser_binary_expression): Add prec argument. (cp_parser_assignment_expression): Adjust caller. * cp-tree.h (outer_curly_brace_block): New prototype. * decl.c (outer_curly_brace_block): No longer static. fortran/ * scanner.c (skip_free_comments, skip_fixed_comments): Handle tabs. * parse.c (next_free): Allow tab after !$omp. (decode_omp_directive): Handle !$omp task, !$omp taskwait and !$omp end task. (case_executable): Add ST_OMP_TASKWAIT. (case_exec_markers): Add ST_OMP_TASK. (gfc_ascii_statement): Handle ST_OMP_TASK, ST_OMP_END_TASK and ST_OMP_TASKWAIT. (parse_omp_structured_block, parse_executable): Handle ST_OMP_TASK. * gfortran.h (gfc_find_sym_in_expr): New prototype. (gfc_statement): Add ST_OMP_TASK, ST_OMP_END_TASK and ST_OMP_TASKWAIT. (gfc_omp_clauses): Add OMP_SCHED_AUTO to sched_kind, OMP_DEFAULT_FIRSTPRIVATE to default_sharing. Add collapse and untied fields. (gfc_exec_op): Add EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * f95-lang.c (LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, LANG_HOOKS_OMP_CLAUSE_DTOR, LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define. * trans.h (gfc_omp_clause_default_ctor): Add another argument. (gfc_omp_clause_copy_ctor, gfc_omp_clause_assign_op, gfc_omp_clause_dtor, gfc_omp_private_outer_ref): New prototypes. * types.def (BT_ULONGLONG, BT_PTR_ULONGLONG, BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_VOID_PTR_PTR, BT_PTR_FN_VOID_PTR_PTR, BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New. (BT_BOOL): Use integer type with BOOL_TYPE_SIZE rather than boolean_type_node. * dump-parse-tree.c (gfc_show_omp_node): Handle EXEC_OMP_TASK, EXEC_OMP_TASKWAIT, OMP_SCHED_AUTO, OMP_DEFAULT_FIRSTPRIVATE, untied and collapse clauses. (gfc_show_code_node): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * trans.c (gfc_trans_code): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * st.c (gfc_free_statement): Likewise. * resolve.c (gfc_resolve_blocks, resolve_code): Likewise. (find_sym_in_expr): Rename to... (gfc_find_sym_in_expr): ... this. No longer static. (resolve_allocate_expr, resolve_ordinary_assign): Adjust caller. * match.h (gfc_match_omp_task, gfc_match_omp_taskwait): New prototypes. * openmp.c (resolve_omp_clauses): Allow allocatable arrays in firstprivate, lastprivate, reduction, copyprivate and copyin clauses. (omp_current_do_code): Made static. (omp_current_do_collapse): New variable. (gfc_resolve_omp_do_blocks): Compute omp_current_do_collapse, clear omp_current_do_code and omp_current_do_collapse on return. (gfc_resolve_do_iterator): Handle collapsed do loops. (resolve_omp_do): Likewise, diagnose errorneous collapsed do loops. (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): Define. (gfc_match_omp_clauses): Handle default (firstprivate), schedule (auto), untied and collapse (n) clauses. (OMP_DO_CLAUSES): Add OMP_CLAUSE_COLLAPSE. (OMP_TASK_CLAUSES): Define. (gfc_match_omp_task, gfc_match_omp_taskwait): New functions. * trans-openmp.c (gfc_omp_private_outer_ref): New function. (gfc_omp_clause_default_ctor): Add outer argument. For allocatable arrays allocate them with the bounds of the outer var if outer var is allocated. (gfc_omp_clause_copy_ctor, gfc_omp_clause_assign_op, gfc_omp_clause_dtor): New functions. (gfc_trans_omp_array_reduction): If decl is allocatable array, allocate it with outer var's bounds in OMP_CLAUSE_REDUCTION_INIT and deallocate it in OMP_CLAUSE_REDUCTION_MERGE. (gfc_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED for assumed-size arrays. (gfc_trans_omp_do): Add par_clauses argument. If dovar is present in lastprivate clause and do loop isn't simple, set OMP_CLAUSE_LASTPRIVATE_STMT. If dovar is present in parallel's lastprivate clause, change it to shared and add lastprivate clause to OMP_FOR_CLAUSES. Handle collapsed do loops. (gfc_trans_omp_directive): Adjust gfc_trans_omp_do callers. (gfc_trans_omp_parallel_do): Likewise. Move collapse clause to OMP_FOR from OMP_PARALLEL. (gfc_trans_omp_clauses): Handle OMP_SCHED_AUTO, OMP_DEFAULT_FIRSTPRIVATE, untied and collapse clauses. (gfc_trans_omp_task, gfc_trans_omp_taskwait): New functions. (gfc_trans_omp_directive): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. gcc/testsuite/ * gcc.dg/gomp/collapse-1.c: New test. * gcc.dg/gomp/nesting-1.c: New test. * g++.dg/gomp/task-1.C: New test. * g++.dg/gomp/predetermined-1.C: New test. * g++.dg/gomp/tls-4.C: New test. * gfortran.dg/gomp/collapse1.f90: New test. * gfortran.dg/gomp/sharing-3.f90: New test. * gcc.dg/gomp/pr27499.c (foo): Remove is unsigned dg-warning. * g++.dg/gomp/pr27499.C (foo): Likewise. * g++.dg/gomp/for-16.C (foo): Likewise. * g++.dg/gomp/tls-3.C: Remove dg-error, add S::s definition. * g++.dg/gomp/pr34607.C: Adjust dg-error location. * g++.dg/gomp/for-16.C (foo): Add a new dg-error. * gcc.dg/gomp/appendix-a/a.35.4.c: Add dg-warning. * gcc.dg/gomp/appendix-a/a.35.6.c: Likewise. * gfortran.dg/gomp/appendix-a/a.35.4.f90: Likewise. * gfortran.dg/gomp/appendix-a/a.35.6.f90: Likewise. * gfortran.dg/gomp/omp_parse1.f90: Remove !$omp tab test. * gfortran.dg/gomp/appendix-a/a.33.4.f90: Remove dg-error about allocatable array. * gfortran.dg/gomp/reduction1.f90: Likewise. libgomp/ * configure.ac (LIBGOMP_GNU_SYMBOL_VERSIONING): New AC_DEFINE. Substitute also OMP_*LOCK_25*. * configure: Regenerated. * config.h.in: Regenerated. * Makefile.am (libgomp_la_SOURCES): Add loop_ull.c, iter_ull.c, ptrlock.c and task.c. * Makefile.in: Regenerated. * testsuite/Makefile.in: Regenerated. * task.c: New file. * loop_ull.c: New file. * iter_ull.c: New file. * libgomp.h: Include ptrlock.h. (enum gomp_task_kind): New type. (struct gomp_team): Add task_lock, task_queue, task_count, task_running_count, single_count fields. Add work_share_list_free_lock ifndef HAVE_SYNC_BUILTINS. Remove work_share_lock, generation_mask, oldest_live_gen, num_live_gen and init_work_shares fields, add work work_share_list_alloc, work_share_list_free and work_share_chunk fields. Change work_shares from pointer to pointers into an array. Change ordered_release field into gomp_sem_t ** from flexible array member. Add implicit_task and initial_work_shares fields. Move close to the end of the struct. (struct gomp_team_state): Add single_count, last_work_share, active_level and level fields, remove work_share_generation. (gomp_barrier_handle_tasks): New prototype. (gomp_finish_task): New inline function. (struct gomp_work_share): Move chunk_size, end, incr into transparent union/struct, add chunk_size_ull, end_ll, incr_ll and next_ll fields. Reshuffle fields. Add next_alloc, next_ws, next_free and inline_ordered_team_ids fields, change ordered_team_ids into pointer from flexible array member. Add mode field. Put lock and next into a different cache line from most of the write-once fields. (gomp_iter_ull_static_next, gomp_iter_ull_dynamic_next_locked, gomp_iter_ull_guided_next_locked, gomp_iter_ull_dynamic_next, gomp_iter_ull_guided_next): New prototypes. (gomp_new_icv): New prototype. (struct gomp_thread): Add thread_pool and task fields. (struct gomp_thread_pool): New type. (gomp_new_team): New prototype. (gomp_team_start): Change type of last argument. (gomp_new_work_share): Removed. (gomp_init_work_share, gomp_fini_work_share): New prototypes. (gomp_work_share_init_done): New static inline. (gomp_throttled_spin_count_var, gomp_available_cpus, gomp_managed_threads): New extern decls. (gomp_init_task): New prototype. (gomp_spin_count_var): New extern var decl. (LIBGOMP_GNU_SYMBOL_VERSIONING): Undef if no visibility or no alias support, or if not PIC. (gomp_init_lock_30, gomp_destroy_lock_30, gomp_set_lock_30, gomp_unset_lock_30, gomp_test_lock_30, gomp_init_nest_lock_30, gomp_destroy_nest_lock_30, gomp_set_nest_lock_30, gomp_unset_nest_lock_30, gomp_test_nest_lock_30, gomp_init_lock_25, gomp_destroy_lock_25, gomp_set_lock_25, gomp_unset_lock_25, gomp_test_lock_25, gomp_init_nest_lock_25, gomp_destroy_nest_lock_25, gomp_set_nest_lock_25, gomp_unset_nest_lock_25, gomp_test_nest_lock_25): New prototypes. (omp_lock_symver, strong_alias): Define. (gomp_remaining_threads_count, gomp_remaining_threads_lock): New decls. (gomp_end_task): New. (struct gomp_task_icv, gomp_global_icv): New. (gomp_thread_limit_var, gomp_max_active_levels_var): New. (struct gomp_task): New. (gomp_nthreads_var, gomp_dyn_var, gomp_nest_var, gomp_run_sched_var, gomp_run_sched_chunk): Remove. (gomp_icv): New. (gomp_schedule_type): Reorder enum to match omp_sched_t. * team.c (struct gomp_thread_start_data): Add thread_pool and task fields. (gomp_thread_start): Add gomp_team_barrier_wait call. For non-nested case remove clearing of docked thread thr fields. Use pool fields instead of global gomp_* variables. Use gomp_barrier_wait_last when needed. Initialize ts.active_level. Create tasks for each member thread. (free_team): Only destroy team barrier, task_lock here and free it. (gomp_free_thread): Free last_team if non-NULL. (gomp_team_end): Call gomp_team_barrier_wait instead of gomp_barrier_wait. For nested case call one extra gomp_barrier_wait. Move here some destruction from free_team. Call free_team on pool->last_team if any, rather than freeing current team. Destroy work_share_list_free_lock ifndef HAVE_SYNC_BUILTINS. (gomp_new_icv): New function. (gomp_threads, gomp_threads_size, gomp_threads_used, gomp_threads_dock): Removed. (gomp_thread_destructor): New variable. (gomp_new_thread_pool, gomp_free_pool_helper, gomp_free_thread): New functions. (gomp_team_start): Create new pool if current thread doesn't have one. Use pool fields instead of global gomp_* variables. Initialize thread_pool field for new threads. Clear single_count. Change last argument from ws to team, don't create new team, set ts.work_share to &team->work_shares[0] and clear ts.last_work_share. Don't clear ts.work_share_generation. If number of threads changed, adjust atomically gomp_managed_threads. Use gomp_init_task instead of gomp_new_task, set thr->task to the corresponding implicit_task array entry. Create tasks for each member thread. Initialize ts.level. (initialize_team): Call pthread_key_create on gomp_thread_destructor. (team_destructor): New function. (new_team): Removed. (gomp_new_team): New function. (free_team): Free gomp_work_share blocks chained through next_alloc, instead of freeing work_shares and destroying work_share_lock. (gomp_team_end): Call gomp_fini_work_share. If number of threads changed, adjust atomically gomp_managed_threads. Use gomp_end_task. * barrier.c (GOMP_barrier): Call gomp_team_barrier_wait instead of gomp_barrier_wait. * single.c (GOMP_single_copy_start): Call gomp_team_barrier_wait instead of gomp_barrier_wait. Call gomp_work_share_init_done if gomp_work_share_start returned true. Don't unlock ws->lock. (GOMP_single_copy_end): Call gomp_team_barrier_wait instead of gomp_barrier_wait. (GOMP_single_start): Rewritten if HAVE_SYNC_BUILTINS. Call gomp_work_share_init_done if gomp_work_share_start returned true. Don't unlock ws->lock. * work.c: Include stddef.h. (free_work_share): Use work_share_list_free_lock instead of atomic chaining ifndef HAVE_SYNC_BUILTINS. Add team argument. Call gomp_fini_work_share and then either free ws if orphaned, or put it into work_share_list_free list of the current team. (alloc_work_share, gomp_init_work_share, gomp_fini_work_share): New functions. (gomp_work_share_start, gomp_work_share_end, gomp_work_share_end_nowait): Rewritten. * omp_lib.f90.in Change some tabs to spaces to prevent warnings. (openmp_version): Set to 200805. (omp_sched_kind, omp_sched_static, omp_sched_dynamic, omp_sched_guided, omp_sched_auto): New parameters. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New interfaces. * omp_lib.h.in (openmp_version): Set to 200805. (omp_sched_kind, omp_sched_static, omp_sched_dynamic, omp_sched_guided, omp_sched_auto): New parameters. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New externals. * loop.c: Include limits.h. (GOMP_loop_runtime_next, GOMP_loop_ordered_runtime_next): Handle GFS_AUTO. (GOMP_loop_runtime_start, GOMP_loop_ordered_runtime_start): Likewise. Use gomp_icv. (gomp_loop_static_start, gomp_loop_dynamic_start): Clear ts.static_trip here. (gomp_loop_static_start, gomp_loop_ordered_static_start): Call gomp_work_share_init_done after gomp_loop_init. Don't unlock ws->lock. (gomp_loop_dynamic_start, gomp_loop_guided_start): Call gomp_work_share_init_done after gomp_loop_init. If HAVE_SYNC_BUILTINS, don't unlock ws->lock, otherwise lock it. (gomp_loop_ordered_dynamic_start, gomp_loop_ordered_guided_start): Call gomp_work_share_init_done after gomp_loop_init. Lock ws->lock. (gomp_parallel_loop_start): Call gomp_new_team instead of gomp_new_work_share. Call gomp_loop_init on &team->work_shares[0]. Adjust gomp_team_start caller. Pass 0 as second argument to gomp_resolve_num_threads. (gomp_loop_init): For GFS_DYNAMIC, multiply ws->chunk_size by incr. If adding ws->chunk_size nthreads + 1 times after end won't overflow, set ws->mode to 1. * libgomp_g.h (GOMP_loop_ull_static_start, GOMP_loop_ull_dynamic_start, GOMP_loop_ull_guided_start, GOMP_loop_ull_runtime_start, GOMP_loop_ull_ordered_static_start, GOMP_loop_ull_ordered_dynamic_start, GOMP_loop_ull_ordered_guided_start, GOMP_loop_ull_ordered_runtime_start, GOMP_loop_ull_static_next, GOMP_loop_ull_dynamic_next, GOMP_loop_ull_guided_next, GOMP_loop_ull_runtime_next, GOMP_loop_ull_ordered_static_next, GOMP_loop_ull_ordered_dynamic_next, GOMP_loop_ull_ordered_guided_next, GOMP_loop_ull_ordered_runtime_next, GOMP_task, GOMP_taskwait): New prototypes. * libgomp.map: Export lock routines also @@OMP_2.0. (GOMP_loop_ordered_dynamic_first, GOMP_loop_ordered_guided_first, GOMP_loop_ordered_runtime_first, GOMP_loop_ordered_static_first): Remove. (GOMP_loop_ull_dynamic_next, GOMP_loop_ull_dynamic_start, GOMP_loop_ull_guided_next, GOMP_loop_ull_guided_start, GOMP_loop_ull_ordered_dynamic_next, GOMP_loop_ull_ordered_dynamic_start, GOMP_loop_ull_ordered_guided_next, GOMP_loop_ull_ordered_guided_start, GOMP_loop_ull_ordered_runtime_next, GOMP_loop_ull_ordered_runtime_start, GOMP_loop_ull_ordered_static_next, GOMP_loop_ull_ordered_static_start, GOMP_loop_ull_runtime_next, GOMP_loop_ull_runtime_start, GOMP_loop_ull_static_next, GOMP_loop_ull_static_start, GOMP_task, GOMP_taskwait): Export @@GOMP_2.0. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level, omp_set_schedule_, omp_set_schedule_8_, omp_get_schedule_, omp_get_schedule_8_, omp_get_thread_limit_, omp_set_max_active_levels_, omp_set_max_active_levels_8_, omp_get_max_active_levels_, omp_get_level_, omp_get_ancestor_thread_num_, omp_get_ancestor_thread_num_8_, omp_get_team_size_, omp_get_team_size_8_, omp_get_active_level_): New exports @@OMP_3.0. * omp.h.in (omp_sched_t): New type. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New prototypes. * env.c (gomp_spin_count_var, gomp_throttled_spin_count_var, gomp_available_cpus, gomp_managed_threads, gomp_max_active_levels_var, gomp_thread_limit_var, gomp_remaining_threads_count, gomp_remaining_threads_lock): New variables. (parse_spincount): New function. (initialize_env): Call gomp_init_num_threads unconditionally. Initialize gomp_available_cpus. Call parse_spincount, initialize gomp_{,throttled_}spin_count_var depending on presence and value of OMP_WAIT_POLICY and GOMP_SPINCOUNT env vars. Handle GOMP_BLOCKTIME env var. Handle OMP_WAIT_POLICY, OMP_MAX_ACTIVE_LEVELS, OMP_THREAD_LIMIT, OMP_STACKSIZE env vars. Handle unit specification for GOMP_STACKSIZE. Initialize gomp_remaining_threads_count and gomp_remaining_threads_lock if needed. Use gomp_global_icv. (gomp_nthreads_var, gomp_dyn_var, gomp_nest_var, gomp_run_sched_var, gomp_run_sched_chunk): Remove. (gomp_global_icv): New. (parse_schedule): Use it. Parse "auto". (omp_set_num_threads): Use gomp_icv. (omp_set_dynamic, omp_get_dynamic, omp_set_nested, omp_get_nested): Likewise. (omp_get_max_threads): Move from parallel.c. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels): New functions, add ialias. (parse_stacksize, parse_wait_policy): New functions. * fortran.c: Rewrite lock wrappers, if symbol versioning provide both wrappers for compatibility and new locks. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New ialias_redirect. (omp_set_schedule_, omp_set_schedule_8_, omp_get_schedule_, omp_get_schedule_8_, omp_get_thread_limit_, omp_set_max_active_levels_, omp_set_max_active_levels_8_, omp_get_max_active_levels_, omp_get_level_, omp_get_ancestor_thread_num_, omp_get_ancestor_thread_num_8_, omp_get_team_size_, omp_get_team_size_8_, omp_get_active_level_): New functions. * parallel.c: Include limits.h. (gomp_resolve_num_threads): Add count argument. Rewritten. (GOMP_parallel_start): Call gomp_new_team and pass that as last argument to gomp_team_start. Pass 0 as second argument to gomp_resolve_num_threads. (GOMP_parallel_end): Decrease gomp_remaining_threads_count if gomp_thread_limit_var != ULONG_MAX. (omp_in_parallel): Implement using ts.active_level. (omp_get_max_threads): Move to env.c. (omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New functions, add ialias. * sections.c (GOMP_sections_start): Call gomp_work_share_init_done after gomp_sections_init. If HAVE_SYNC_BUILTINS, call gomp_iter_dynamic_next instead of the _locked variant and don't take lock around it, otherwise acquire it before calling gomp_iter_dynamic_next_locked. (GOMP_sections_next): If HAVE_SYNC_BUILTINS, call gomp_iter_dynamic_next instead of the _locked variant and don't take lock around it. (GOMP_parallel_sections_start): Call gomp_new_team instead of gomp_new_work_share. Call gomp_sections_init on &team->work_shares[0]. Adjust gomp_team_start caller. Pass count as second argument to gomp_resolve_num_threads, don't adjust num_threads after the call. Use gomp_icv. * iter.c (gomp_iter_dynamic_next_locked): Don't multiply ws->chunk_size by incr. (gomp_iter_dynamic_next): Likewise. If ws->mode, use more efficient code. * libgomp_f.h.in (omp_lock_25_arg_t, omp_nest_lock_25_arg_t): New types. (omp_lock_25_arg, omp_nest_lock_25_arg): New macros. (omp_check_defines): Check even the compat defines. * config/linux/ptrlock.c: New file. * config/linux/ptrlock.h: New file. * config/linux/wait.h: New file. * config/posix/ptrlock.c: New file. * config/posix/ptrlock.h: New file. * config/linux/bar.h (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New prototypes. (gomp_team_barrier_set_task_pending, gomp_team_barrier_clear_task_pending, gomp_team_barrier_set_waiting_for_tasks, gomp_team_barrier_waiting_for_tasks, gomp_team_barrier_done): New inlines. (gomp_barrier_t): Rewritten. (gomp_barrier_state_t): New typedef. (gomp_barrier_init, gomp_barrier_reinit, gomp_barrier_destroy, gomp_barrier_wait_start): Rewritten. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_barrier_last_thread, gomp_barrier_wait_last): New static inlines. * config/linux/bar.c: Include wait.h instead of libgomp.h and futex.h. (gomp_barrier_wait_end): Rewritten. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake, gomp_barrier_wait_last): New functions. * config/posix/bar.h (gomp_barrier_t): Add generation field. (gomp_barrier_state_t): New typedef. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New prototypes. (gomp_barrier_wait_start): Or all but low 2 bits from generation into the return value. Return gomp_barrier_state_t. (gomp_team_barrier_set_task_pending, gomp_team_barrier_clear_task_pending, gomp_team_barrier_set_waiting_for_tasks, gomp_team_barrier_waiting_for_tasks, gomp_team_barrier_done): New inlines. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_barrier_last_thread, gomp_barrier_wait_last): New static inlines. * config/posix/bar.c (gomp_barrier_init): Clear generation field. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New functions. * config/linux/mutex.c: Include wait.h instead of libgomp.h and futex.h. (gomp_futex_wake, gomp_futex_wait): New variables. (gomp_mutex_lock_slow): Call do_wait instead of futex_wait. * config/linux/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. Include wait.h instead of libgomp.h and futex.h. (gomp_set_nest_lock_25): Call do_wait instead of futex_wait. * config/posix95/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. * config/posix/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. * config/linux/proc.c (gomp_init_num_threads): Use gomp_global_icv. (get_num_procs, gomp_dynamic_max_threads): Use gomp_icv. * config/posix/proc.c, config/mingw32/proc.c: Similarly. * config/linux/powerpc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/alpha/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/x86/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/s390/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/ia64/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/sparc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/sem.c: Include wait.h instead of libgomp.h and futex.h. (gomp_sem_wait_slow): Call do_wait instead of futex_wait. * config/linux/affinity.c: Assume HAVE_SYNC_BUILTINS. * config/linux/omp-lock.h (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_nest_lock_t): Change owner into void *, add lock field. * config/posix95/omp-lock.h: Include semaphore.h. (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_lock_t): Use sem_t instead of mutex if semaphores aren't broken. (omp_nest_lock_t): Likewise. Change owner to void *. * config/posix/omp-lock.h: Include semaphore.h. (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_lock_t): Use sem_t instead of mutex if semaphores aren't broken. (omp_nest_lock_t): Likewise. Add owner field. * testsuite/libgomp.c/collapse-1.c: New test. * testsuite/libgomp.c/collapse-2.c: New test. * testsuite/libgomp.c/collapse-3.c: New test. * testsuite/libgomp.c/icv-1.c: New test. * testsuite/libgomp.c/icv-2.c: New test. * testsuite/libgomp.c/lib-2.c: New test. * testsuite/libgomp.c/lock-1.c: New test. * testsuite/libgomp.c/lock-2.c: New test. * testsuite/libgomp.c/lock-3.c: New test. * testsuite/libgomp.c/loop-4.c: New test. * testsuite/libgomp.c/loop-5.c: New test. * testsuite/libgomp.c/loop-6.c: New test. * testsuite/libgomp.c/loop-7.c: New test. * testsuite/libgomp.c/loop-8.c: New test. * testsuite/libgomp.c/loop-9.c: New test. * testsuite/libgomp.c/nested-3.c: New test. * testsuite/libgomp.c/nestedfn-6.c: New test. * testsuite/libgomp.c/sort-1.c: New test. * testsuite/libgomp.c/task-1.c: New test. * testsuite/libgomp.c/task-2.c: New test. * testsuite/libgomp.c/task-3.c: New test. * testsuite/libgomp.c/task-4.c: New test. * testsuite/libgomp.c++/c++.exp: Add libstdc++-v3 build includes to C++ testsuite default compiler options. * testsuite/libgomp.c++/collapse-1.C: New test. * testsuite/libgomp.c++/collapse-2.C: New test. * testsuite/libgomp.c++/ctor-10.C: New test. * testsuite/libgomp.c++/for-1.C: New test. * testsuite/libgomp.c++/for-2.C: New test. * testsuite/libgomp.c++/for-3.C: New test. * testsuite/libgomp.c++/for-4.C: New test. * testsuite/libgomp.c++/for-5.C: New test. * testsuite/libgomp.c++/loop-8.C: New test. * testsuite/libgomp.c++/loop-9.C: New test. * testsuite/libgomp.c++/loop-10.C: New test. * testsuite/libgomp.c++/task-1.C: New test. * testsuite/libgomp.c++/task-2.C: New test. * testsuite/libgomp.c++/task-3.C: New test. * testsuite/libgomp.c++/task-4.C: New test. * testsuite/libgomp.c++/task-5.C: New test. * testsuite/libgomp.c++/task-6.C: New test. * testsuite/libgomp.fortran/allocatable1.f90: New test. * testsuite/libgomp.fortran/allocatable2.f90: New test. * testsuite/libgomp.fortran/allocatable3.f90: New test. * testsuite/libgomp.fortran/allocatable4.f90: New test. * testsuite/libgomp.fortran/collapse1.f90: New test. * testsuite/libgomp.fortran/collapse2.f90: New test. * testsuite/libgomp.fortran/collapse3.f90: New test. * testsuite/libgomp.fortran/collapse4.f90: New test. * testsuite/libgomp.fortran/lastprivate1.f90: New test. * testsuite/libgomp.fortran/lastprivate2.f90: New test. * testsuite/libgomp.fortran/lib4.f90: New test. * testsuite/libgomp.fortran/lock-1.f90: New test. * testsuite/libgomp.fortran/lock-2.f90: New test. * testsuite/libgomp.fortran/nested1.f90: New test. * testsuite/libgomp.fortran/nestedfn4.f90: New test. * testsuite/libgomp.fortran/strassen.f90: New test. * testsuite/libgomp.fortran/tabs1.f90: New test. * testsuite/libgomp.fortran/tabs2.f: New test. * testsuite/libgomp.fortran/task1.f90: New test. * testsuite/libgomp.fortran/task2.f90: New test. * testsuite/libgomp.fortran/vla4.f90: Add dg-warning. * testsuite/libgomp.fortran/vla5.f90: Likewise. * testsuite/libgomp.c/pr26943-2.c: Likewise. * testsuite/libgomp.c/pr26943-3.c: Likewise. * testsuite/libgomp.c/pr26943-4.c: Likewise. Co-Authored-By: Jakob Blomer <jakob.blomer@ira.uka.de> Co-Authored-By: Richard Henderson <rth@redhat.com> Co-Authored-By: Ulrich Drepper <drepper@redhat.com> From-SVN: r136433
2008-06-06 15:01:54 +02:00
return gomp_thread ()->ts.team_id;
[multiple changes] 2006-01-18 Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * libgomp: New directory. * Makefile.def: Add target_module libgomp. * Makefile.in: Regenerate. * configure.in (target_libraries): Add target-libgomp. * configure: Regenerate. contrib/ 2006-01-18 Richard Henderson <rth@redhat.com> Diego Novillo <dnovillo@redhat.com> * gcc_update (files_and_dependencies): Add libgomp files. gcc/ 2006-01-18 Richard Henderson <rth@redhat.com> Aldy Hernandez <aldyh@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * omp-low.c: New file. * c-omp.c: New file. 2006-01-18 Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * doc/invoke.texi: Document -fopenmp. * tree-dump.h (debug_function): Declare. * hooks.c (hook_bool_tree_bool_false): New function. (hook_tree_tree_null): Remove. (hook_tree_tree_tree_null): New. * hooks.h: Update to match. * tree-pretty-print.c (debug_tree_chain): New. (print_generic_expr): Handle TDF_CHAIN. (dump_generic_node): Handle BLOCK. Do not abort with incomplete SWITCH_EXPRs. Do not dump body of an OpenMP directive if TDF_SLIM is given. <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't print space after directive name. <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY. Handle OMP_MASTER and OMP_ORDERED. Handle printing of OMP_BODY just in one place, goto dump_omp_body in the rest of OMP_* nodes that have OMP_BODY. Don't handle clause nodes here. Update omp statements to use dump_omp_clauses. Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION, OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC, OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF, GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED, GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE, GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE. Adjust output for GOMP_PARALLEL. (dump_omp_clauses): New. (print_declaration): Dump DECL_VALUE_EXPR. (op_symbol_1): Split out of op_symbol. (dumping_stmts): Remove. Update all users. * cgraph.c (cgraph_analyze_queue): New. (cgraph_add_new_function): New. * cgraph.h (cgraph_analyze_queue): Declare. (cgraph_add_new_function): Declare. (cgraph_lower_function): Remove. * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_* nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS and TYPE_P nodes in its default clause. (empty_body_p): New. (tree_range_check_failed): New. (build5_stat): New. * tree.h (OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE, OMP_CLAUSE_REDUCTION_PLACEHOLDER, OMP_CLAUSE_PRIVATE_DEBUG, OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY, OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY, OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND, OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL, OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR, OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT, OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT, OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC, OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST, OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY, OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY, OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New. (TREE_RANGE_CHECK): New. (empty_body_p): Declare. (enum omp_clause_default_kind): New. (build_string_literal): Declare. (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New. (build5_stat, build5): Declare. * tree-pass.h (TDF_CHAIN): Define. * tree-pass.h (PROP_gimple_lomp): Define. (pass_lower_omp): Declare. * diagnostic.h (debug_tree_chain): Declare. * builtins.c (get_builtin_sync_mode): Use 0 as last argument to mode_for_size. (expand_builtin): Handle sync BUILT_IN_*_16 builtins. * builtins.c (build_string_literal): Make extern. * gcc.c (include_spec_function): New. (static_spec_functions): Add it. (main): Move load of libgomp.spec ... (LINK_COMMAND_SPEC): ... here. (link_gomp_spec): New. (static_specs): Include it. (LINK_COMMAND_SPEC): Add link_gomp. (GOMP_SELF_SPECS): New. (driver_self_specs): Include it. (switch_matches): Don't mark inline. (main): Load libgomp.spec. * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION, and OMP_SINGLE, OMP_FOR and OMP_PARALLEL. * tree-gimple.h (enum omp_parallel): Declare. (determine_parallel_type): Declare. (omp_firstprivatize_variable): Declare. (omp_reduction_init): Declare. (diagnose_omp_structured_block_errors): Declare. (struct walk_stmt_info): Add want_return_expr. (struct walk_stmt_info): Add want_bind_expr, want_locations. (find_omp_clause): Declare. (insert_field_into_struct): Declare. (struct walk_stmt_info): Move from tree-nested.c (walk_stmts): Declare. * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP to 200505. * cgraphunit.c (cgraph_lower_function): Make static. (cgraph_finalize_pending_functions): New. (cgraph_finalize_function): Call it. (cgraph_finalize_compilation_unit): Likewise. * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16, BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add. (BT_FN_UINT_UINT): New. (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7, DEF_FUNCTION_TYPE_VAR_4): Document. (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT, BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR, BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT, BT_FN_VOID_OMPFN_PTR_UINT_UINT, BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR, BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New. * builtins.def: Update DEF_BUILTIN comment to include COND argument. Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins into separate files. (DEF_GOMP_BUILTIN): New. (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER, BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END, BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END, BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START, BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START, BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START, BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START, BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START, BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT, 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_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT, BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END, BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END, BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT, BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END, BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START, BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New. * sync-builtins.def: New file, moved from builtins.def. * omp-builtins.def: New file, moved from builtins.def. * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine. * gimple-low.c (lower_function_body): Clear data. (lower_stmt): Do not handle COMPOUND_EXPR. Remove call to print_node_brief. * c-tree.h (c_finish_omp_clauses): New prototype. (C_DECL_THREADPRIVATE_P): Define. (lookup_name_no_remap, c_omp_remap_private): Remove (c_begin_omp_parallel, c_finish_omp_parallel): Update. (check_for_loop_decls): Update decl. (lookup_name_no_remap, c_omp_remap_private): Declare. (build_indirect_ref, build_modify_expr, pushdecl, pushdecl_top_level): Move to c-common.h. * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp before the switch, but just in the 2 places that need it. * c-decl.c (diagnose_mismatched_decls): Do not check for mismatched thread-local attributes when OLDDECL is marked threadprivate and NEWDECL has no thread-local attributes. (merge_decls): Merge C_DECL_THREADPRIVATE_P. (c_gimple_diagnostics_recursively): Rename from c_warn_unused_result_recursively. Invoke diagnose_omp_structured_block_errors. (check_for_loop_decls): Return a singular decl found. * langhooks.c (lhd_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls. (lhd_omp_firstprivatize_type_sizes): New. (lhd_omp_assignment): New. (lhd_omp_predetermined_sharing): New. * langhooks.h (struct gimplify_omp_ctx): Forward declare. (struct lang_hooks_for_types): Add omp_firstprivatize_type_sizes, omp_privatize_by_reference, omp_predetermined_sharing, omp_disregard_value_expr, omp_private_debug_clause, omp_clause_default_ctor, omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor. (c_finish_omp_clauses): New. (c_finish_bc_stmt): Diagnose break within omp for. (c_begin_omp_parallel, c_finish_omp_parallel): New. (build_unary_op): Return error_mark after reporting a readonly_error. (build_modify_expr): Likewise. * gimplify.c: Include optabs.h and pointer-set.h. (enum gimplify_omp_var_data): Declare. (struct gimplify_omp_ctx): Declare. (struct gimplify_ctx): Add fields prev_context, combined_pre_p and combined_ctxp. (gimplify_ctxp, gimplify_omp_ctxp): New local variables. (push_gimplify_context, pop_gimplify_context): Allow nesting. (splay_tree_compare_decl_uid): New. (new_omp_context): New. (delete_omp_context): New. (gimple_add_tmp_var): Call omp_add_variable. (gimplify_bind_expr): Likewise. (gimplify_var_or_parm_decl): If omp_notice_variable returned true, disregard DECL_VALUE_EXPR on the decl if any. (gimplify_expr_in_ctx): New. (omp_firstprivatize_variable, omp_firstprivatize_type_sizes omp_add_variable, omp_notice_variable, omp_is_private gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1 gimplify_adjust_omp_clauses, gimplify_omp_parallel gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p gimplify_omp_atomic_fetch_op, goa_stabilize_expr gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex gimplify_omp_atomic): New. (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS, OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL and OMP_ATOMIC. (gimplify_body): Verify gimplify_ctxp is empty after gimplification. * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER, PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR, PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED, PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR, PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION, PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE, PRAGMA_OMP_THREADPRIVATE. * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS, OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define. * print-tree.c (print_node): Dump DECL_VALUE_EXPR. * tree-ssa-dce.c (find_control_dependence): Do not assume that ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR). * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for OpenMP directives. (struct nesting_info): Add field_map, suppress_expansion, debug_var_chain. (create_nesting_tree): Initialize them. (lookup_field_for_decl): Use field_map. (get_nonlocal_debug_decl, get_local_debug_decl): New. (convert_local_omp_clauses): New. (finalize_nesting_tree_1): Add debug_var_chain to toplevel block. (walk_body): Split out of walk_function. (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New. (convert_nonlocal_reference): Handle omp statements. (convert_local_reference): Likewise. (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1. (unnest_nesting_tree): New. (lower_nested_functions): Call it. (insert_field_into_struct): Make extern. (struct walk_stmt_info): Move to tree-gimple.h. (walk_stmts): Make extern. * omp-builtins.def: New file. * tree-iterator.c (expr_only): Clarify comment. * c-common.h (pushdecl_top_level, pushdecl, build_modify_expr, build_indirect_ref, c_finish_omp_master, c_finish_omp_critical, c_finish_omp_ordered, c_finish_omp_barrier, c_finish_omp_atomic, c_finish_omp_flush, c_finish_omp_for, c_split_parallel_clauses, omp_clause_default_kind, c_omp_sharing_predetermined, c_omp_remap_decl): Declare. * Makefile.in (BUILTINS_DEF): Add omp-builtins.def. (OBJS-common): Add omp-low.o. (c-omp.o, omp-low.o): Add. (gimplify.o): Add dependency on $(OPTABS_H). (GTFILES): Add omp-low.c. (gt-stringpool.h): Add. * tree-cfg.c (set_bb_for_stmt): Do not update the block-to-labels map if we are currently expanding to RTL. (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P checks. Handle IDENTIFIER_NODE. (tree_verify_flow_info): Do not ICE when emitting error messages about invalid labels. (dump_function_to_file): Reset CFUN before emitting the body of the function. (debug_function): New. * passes.c (init_optimization_passes): Schedule pass_lower_omp. * langhooks-def.h (lhd_omp_predetermined_sharing, lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes): Declare. (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define. (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it. (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE, LANG_HOOKS_OMP_PREDETERMINED_SHARING, LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR, LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE, LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR, LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, LANG_HOOKS_OMP_CLAUSE_DTOR): Define. (LANG_HOOK_DECLS): Use them. 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com> Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * c-parser.c (pragma_omp_clause): Define. (c_parser_declaration_or_fndef): Document OpenMP syntax. (c_parser_compound_statement): Likewise. (c_parser_statement): Likewise. (c_parser_pragma): Handle omp pragmas. (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK, OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define. (c_parser_omp_clause_name, check_no_duplicate_clause, c_parser_omp_variable_list, c_parser_omp_var_list_parens, c_parser_omp_clause_copyin, c_parser_omp_clause_copyprivate, c_parser_omp_clause_default, c_parser_omp_clause_firstprivate, c_parser_omp_clause_if, c_parser_omp_clause_lastprivate, c_parser_omp_clause_nowait, c_parser_omp_clause_num_threads, c_parser_omp_clause_ordered, c_parser_omp_clause_private, c_parser_omp_clause_reduction, c_parser_omp_clause_schedule, c_parser_omp_clause_shared, c_parser_omp_all_clauses, c_parser_omp_structured_block, c_parser_omp_atomic, c_parser_omp_barrier, c_parser_omp_critical, c_parser_omp_flush, c_parser_omp_for_loop, c_parser_omp_for, c_parser_omp_master, c_parser_omp_ordered, c_parser_omp_sections_scope, c_parser_omp_sections, c_parser_omp_parallel, c_parser_omp_single, c_parser_omp_construct, c_parser_omp_threadprivate): New. * c-pragma.c (init_pragma): Do omp pragma registration here. * c.opt (fopenmp): New flag. 2006-01-18 Eric Christopher <echristo@apple.com> * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif. * config/darwin.h (GOMP_SELF_SPECS): Define. testsuite/ 2006-01-18 Richard Henderson <rth@redhat.com> Aldy Hernandez <aldyh@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> Uros Bizjak <uros@kss-loka.si> * testsuite/gcc.dg/gomp: New directory. From-SVN: r109902
2006-01-18 20:21:25 +01:00
}
c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805. * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805. * langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause. Add omp_private_outer_ref hook, add another argument to omp_clause_default_ctor hook. * langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define. (LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define. (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to hook_tree_tree_tree_tree_null. (LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and LANG_HOOKS_OMP_PRIVATE_OUTER_REF. * hooks.c (hook_tree_tree_tree_tree_null): New function. * hooks.h (hook_tree_tree_tree_tree_null): New prototype. * tree.def (OMP_TASK): New tree code. * tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN, OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT, OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES, OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY, OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG, OMP_CLAUSE_COLLAPSE_EXPR): Define. (enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. (OMP_DIRECTIVE_P): Add OMP_TASK. (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes. (OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind. * tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED entries. (omp_clause_num_ops): Likewise. Increase OMP_CLAUSE_LASTPRIVATE num_ops to 2. (walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Walk OMP_CLAUSE_LASTPRIVATE_STMT. * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. (dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops. * c-omp.c (c_finish_omp_for): Allow pointer iterators. Remove warning about unsigned iterators. Change decl/init/cond/incr arguments to TREE_VECs, check arguments for all collapsed loops. (c_finish_omp_taskwait): New function. (c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to ws_clauses. * c-parser.c (c_parser_omp_for_loop): Parse collapsed loops. Call default_function_array_conversion on init. Add par_clauses argument. If decl is present in parallel's lastprivate clause, change it to shared and add lastprivate clause for decl to OMP_FOR_CLAUSES. Add clauses argument, on success set OMP_FOR_CLAUSES to it. Look up collapse count in clauses. (c_parser_omp_for, c_parser_omp_parallel): Adjust c_parser_omp_for_loop callers. (OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE. (c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT. (c_parser_omp_clause_name): Handle collapse and untied clauses. (c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New functions. (c_parser_omp_clause_schedule): Handle schedule(auto). Include correct location in the error message. (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE and PRAGMA_OMP_CLAUSE_UNTIED. (OMP_TASK_CLAUSE_MASK): Define. (c_parser_omp_task, c_parser_omp_taskwait): New functions. (c_parser_omp_construct): Handle PRAGMA_OMP_TASK. * tree-nested.c (convert_nonlocal_omp_clauses, convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE, OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in OMP_CLAUSE_DECL. (conver_nonlocal_reference, convert_local_reference, convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL. Use OMP_TASKREG_* macros rather than OMP_PARALLEL_*. (walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes. * tree-gimple.c (is_gimple_stmt): Handle OMP_TASK. * c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes. * c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New. (PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New. * c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions. (c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. * c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas. * c-common.h (c_finish_omp_taskwait): New prototype. * gimple-low.c (lower_stmt): Handle OMP_TASK. * tree-parloops.c (create_parallel_loop): Create 1 entry vectors for OMP_FOR_{INIT,COND,INCR}. * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers. (make_edges): Handle OMP_TASK. * tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. * tree-inline.c (estimate_num_insns_1): Handle OMP_TASK. * builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR, BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New. * omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT, BUILT_IN_GOMP_LOOP_ULL_STATIC_START, BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ULL_GUIDED_START, BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins. * gimplify.c (gimplify_omp_for): Allow pointer type for decl, handle POINTER_PLUS_EXPR. If loop counter has been replaced and original iterator is present in lastprivate clause or if collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT. Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. (gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK. (enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF. (omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed, if it is set, lookup var in outer contexts too. Handle OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. Handle vars that are supposed to be implicitly determined firstprivate for task regions. (gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed, if it is set, lookup var in outer contexts too. Set OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set. Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Take region_type as last argument instead of in_parallel and in_combined_parallel. (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare): Adjust callers. (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set. Call omp_finish_clause langhook. (new_omp_context): Set default_kind to OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions. (omp_region_type): New enum. (struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel fields, add region_type. (new_omp_context): Take region_type as argument instead of is_parallel and is_combined_parallel. (gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable, omp_is_private, omp_check_private): Adjust ctx->is_parallel and ctx->is_combined_parallel checks. (gimplify_omp_task): New function. (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. * omp-low.c (extract_omp_for_data): Use schedule(static) for schedule(auto). Handle pointer and unsigned iterators. Compute fd->iter_type. Handle POINTER_PLUS_EXPR increments. Add loops argument. Extract data for collapsed OMP_FOR loops. (expand_parallel_call): Assert sched_kind isn't auto, map runtime schedule to index 3. (struct omp_for_data_loop): New type. (struct omp_for_data): Remove v, n1, n2, step, cond_code fields. Add loop, loops, collapse and iter_type fields. (workshare_safe_to_combine_p): Disallow combined for if iter_type is unsigned long long. Don't combine collapse > 1 loops unless all bounds and steps are constant. Adjust extract_omp_for_data caller. (expand_omp_for_generic): Handle pointer, unsigned and long long iterators. Handle collapsed OMP_FOR loops. Adjust for struct omp_for_data changes. If libgomp function doesn't return boolean_type_node, add comparison of the return value with 0. (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle pointer, unsigned and long long iterators. Adjust for struct omp_for_data changes. (expand_omp_for): Assert sched_kind isn't auto, map runtime schedule to index 3. Use GOMP_loop_ull*{start,next} if iter_type is unsigned long long. Allocate loops array, pass it to extract_omp_for_data. For collapse > 1 loops use always expand_omp_for_generic. (omp_context): Add sfield_map and srecord_type fields. (is_task_ctx, lookup_sfield): New functions. (use_pointer_for_field): Use is_task_ctx helper. Change first argument's type from const_tree to tree. Clarify comment. In OMP_TASK disallow copy-in/out sharing. (build_sender_ref): Call lookup_sfield instead of lookup_field. (install_var_field): Add mask argument. Populate both record_type and srecord_type if needed. (delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN in srecord_type. (fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT} and DECL_FIELD_OFFSET. (scan_sharing_clauses): Adjust install_var_field callers. For firstprivate clauses on explicit tasks allocate the var by value in record_type unconditionally, rather than by reference. Handle OMP_CLAUSE_PRIVATE_OUTER_REF. Scan OMP_CLAUSE_LASTPRIVATE_STMT. Use is_taskreg_ctx instead of is_parallel_ctx. Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. (create_omp_child_function_name): Add task_copy argument, use *_omp_cpyfn* names if it is true. (create_omp_child_function): Add task_copy argument, if true create *_omp_cpyfn* helper function. (scan_omp_parallel): Adjust create_omp_child_function callers. Rename parallel_nesting_level to taskreg_nesting_level. (scan_omp_task): New function. (lower_rec_input_clauses): Don't run constructors for firstprivate explicit task vars which are initialized by *_omp_cpyfn*. Pass outer var ref to omp_clause_default_ctor hook if OMP_CLAUSE_PRIVATE_OUTER_REF or OMP_CLAUSE_LASTPRIVATE. Replace OMP_CLAUSE_REDUCTION_PLACEHOLDER decls in OMP_CLAUSE_REDUCTION_INIT. (lower_send_clauses): Clear DECL_ABSTRACT_ORIGIN if in task to avoid duplicate setting of fields. Handle OMP_CLAUSE_PRIVATE_OUTER_REF. (lower_send_shared_vars): Use srecord_type if non-NULL. Don't copy-out if TREE_READONLY, only copy-in. (expand_task_copyfn): New function. (expand_task_call): New function. (struct omp_taskcopy_context): New type. (task_copyfn_copy_decl, task_copyfn_remap_type, create_task_copyfn): New functions. (lower_omp_parallel): Rename to... (lower_omp_taskreg): ... this. Use OMP_TASKREG_* macros where needed. Call create_task_copyfn if srecord_type is needed. Adjust sender_decl type. (task_shared_vars): New variable. (check_omp_nesting_restrictions): Warn if work-sharing, barrier, master or ordered region is closely nested inside OMP_TASK. Add warnings for barrier if closely nested inside of work-sharing, ordered, or master region. (scan_omp_1): Call check_omp_nesting_restrictions even for GOMP_barrier calls. Rename parallel_nesting_level to taskreg_nesting_level. Handle OMP_TASK. (lower_lastprivate_clauses): Even if some lastprivate is found on a work-sharing construct, continue looking for them on parent parallel construct. (lower_omp_for_lastprivate): Add lastprivate clauses to the beginning of dlist rather than end. Adjust for struct omp_for_data changes. (lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY, not after it. Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller. (get_ws_args_for): Adjust extract_omp_for_data caller. (scan_omp_for): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. (lower_omp_single_simple): If libgomp function doesn't return boolean_type_node, add comparison of the return value with 0. (diagnose_sb_1, diagnose_sb_2): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. Handle OMP_TASK. (parallel_nesting_level): Rename to... (taskreg_nesting_level): ... this. (is_taskreg_ctx): New function. (build_outer_var_ref, omp_copy_decl): Use is_taskreg_ctx instead of is_parallel_ctx. (execute_lower_omp): Rename parallel_nesting_level to taskreg_nesting_level. (expand_omp_parallel): Rename to... (expand_omp_taskreg): ... this. Use OMP_TASKREG_* macros where needed. Call omp_task_call for OMP_TASK regions. (expand_omp): Adjust caller, handle OMP_TASK. (lower_omp_1): Adjust lower_omp_taskreg caller, handle OMP_TASK. * bitmap.c (bitmap_default_obstack_depth): New variable. (bitmap_obstack_initialize, bitmap_obstack_release): Do nothing if argument is NULL and bitmap_default_obstack is already initialized. * ipa-struct-reorg.c (do_reorg_1): Call bitmap_obstack_release at the end. * matrix-reorg.c (matrix_reorg): Likewise. cp/ * cp-tree.h (cxx_omp_finish_clause, cxx_omp_create_clause_info, dependent_omp_for_p, begin_omp_task, finish_omp_task, finish_omp_taskwait): New prototypes. (cxx_omp_clause_default_ctor): Add outer argument. (finish_omp_for): Add new clauses argument. * cp-gimplify.c (cxx_omp_finish_clause): New function. (cxx_omp_predetermined_sharing): Moved from semantics.c, rewritten. (cxx_omp_clause_default_ctor): Add outer argument. (cp_genericize_r): Walk OMP_CLAUSE_LASTPRIVATE_STMT. * cp-objcp-common.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define. * parser.c (cp_parser_omp_for_loop): Parse collapsed for loops. Add par_clauses argument. If decl is present in parallel's lastprivate clause, change that clause to shared and add a lastprivate clause for decl to OMP_FOR_CLAUSES. Fix wording of error messages. Adjust finish_omp_for caller. Add clauses argument. Parse loops with random access iterators. (cp_parser_omp_clause_collapse, cp_parser_omp_clause_untied): New functions. (cp_parser_omp_for, cp_parser_omp_parallel): Adjust cp_parser_omp_for_loop callers. (cp_parser_omp_for_cond, cp_parser_omp_for_incr): New helper functions. (cp_parser_omp_clause_name): Handle collapse and untied clauses. (cp_parser_omp_clause_schedule): Handle auto schedule. (cp_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE and PRAGMA_OMP_CLAUSE_UNTIED. (OMP_FOR_CLAUSE_MASK): Add PRAGMA_OMP_CLAUSE_COLLAPSE. (OMP_TASK_CLAUSE_MASK): Define. (cp_parser_omp_task, cp_parser_omp_taskwait): New functions. (cp_parser_omp_construct): Handle PRAGMA_OMP_TASK. (cp_parser_pragma): Handle PRAGMA_OMP_TASK and PRAGMA_OMP_TASKWAIT. * pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Handle OMP_CLAUSE_LASTPRIVATE_STMT. (tsubst_omp_for_iterator): New function. (dependent_omp_for_p): New function. (tsubst_expr) <case OMP_FOR>: Use it. Handle collapsed OMP_FOR loops. Adjust finish_omp_for caller. Handle loops with random access iterators. Adjust for OMP_FOR_{INIT,COND,INCR} changes. (tsubst_expr): Handle OMP_TASK. * semantics.c (cxx_omp_create_clause_info): New function. (finish_omp_clauses): Call it. Handle OMP_CLAUSE_UNTIED and OMP_CLAUSE_COLLAPSE. (cxx_omp_predetermined_sharing): Removed. * semantics.c (finish_omp_for): Allow pointer iterators. Use handle_omp_for_class_iterator and dependent_omp_for_p. Handle collapsed for loops. Adjust c_finish_omp_for caller. Add new clauses argument. Fix check for type dependent cond or incr. Set OMP_FOR_CLAUSES to clauses. Use cp_convert instead of fold_convert to convert incr amount to difference_type. Only fold if not in template. If decl is mentioned in lastprivate clause, set OMP_CLAUSE_LASTPRIVATE_STMT. Handle loops with random access iterators. Adjust for OMP_FOR_{INIT,COND,INCR} changes. (finish_omp_threadprivate): Allow static class members of the current class. (handle_omp_for_class_iterator, begin_omp_task, finish_omp_task, finish_omp_taskwait): New functions. * parser.c (cp_parser_binary_expression): Add prec argument. (cp_parser_assignment_expression): Adjust caller. * cp-tree.h (outer_curly_brace_block): New prototype. * decl.c (outer_curly_brace_block): No longer static. fortran/ * scanner.c (skip_free_comments, skip_fixed_comments): Handle tabs. * parse.c (next_free): Allow tab after !$omp. (decode_omp_directive): Handle !$omp task, !$omp taskwait and !$omp end task. (case_executable): Add ST_OMP_TASKWAIT. (case_exec_markers): Add ST_OMP_TASK. (gfc_ascii_statement): Handle ST_OMP_TASK, ST_OMP_END_TASK and ST_OMP_TASKWAIT. (parse_omp_structured_block, parse_executable): Handle ST_OMP_TASK. * gfortran.h (gfc_find_sym_in_expr): New prototype. (gfc_statement): Add ST_OMP_TASK, ST_OMP_END_TASK and ST_OMP_TASKWAIT. (gfc_omp_clauses): Add OMP_SCHED_AUTO to sched_kind, OMP_DEFAULT_FIRSTPRIVATE to default_sharing. Add collapse and untied fields. (gfc_exec_op): Add EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * f95-lang.c (LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, LANG_HOOKS_OMP_CLAUSE_DTOR, LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define. * trans.h (gfc_omp_clause_default_ctor): Add another argument. (gfc_omp_clause_copy_ctor, gfc_omp_clause_assign_op, gfc_omp_clause_dtor, gfc_omp_private_outer_ref): New prototypes. * types.def (BT_ULONGLONG, BT_PTR_ULONGLONG, BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_VOID_PTR_PTR, BT_PTR_FN_VOID_PTR_PTR, BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New. (BT_BOOL): Use integer type with BOOL_TYPE_SIZE rather than boolean_type_node. * dump-parse-tree.c (gfc_show_omp_node): Handle EXEC_OMP_TASK, EXEC_OMP_TASKWAIT, OMP_SCHED_AUTO, OMP_DEFAULT_FIRSTPRIVATE, untied and collapse clauses. (gfc_show_code_node): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * trans.c (gfc_trans_code): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * st.c (gfc_free_statement): Likewise. * resolve.c (gfc_resolve_blocks, resolve_code): Likewise. (find_sym_in_expr): Rename to... (gfc_find_sym_in_expr): ... this. No longer static. (resolve_allocate_expr, resolve_ordinary_assign): Adjust caller. * match.h (gfc_match_omp_task, gfc_match_omp_taskwait): New prototypes. * openmp.c (resolve_omp_clauses): Allow allocatable arrays in firstprivate, lastprivate, reduction, copyprivate and copyin clauses. (omp_current_do_code): Made static. (omp_current_do_collapse): New variable. (gfc_resolve_omp_do_blocks): Compute omp_current_do_collapse, clear omp_current_do_code and omp_current_do_collapse on return. (gfc_resolve_do_iterator): Handle collapsed do loops. (resolve_omp_do): Likewise, diagnose errorneous collapsed do loops. (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): Define. (gfc_match_omp_clauses): Handle default (firstprivate), schedule (auto), untied and collapse (n) clauses. (OMP_DO_CLAUSES): Add OMP_CLAUSE_COLLAPSE. (OMP_TASK_CLAUSES): Define. (gfc_match_omp_task, gfc_match_omp_taskwait): New functions. * trans-openmp.c (gfc_omp_private_outer_ref): New function. (gfc_omp_clause_default_ctor): Add outer argument. For allocatable arrays allocate them with the bounds of the outer var if outer var is allocated. (gfc_omp_clause_copy_ctor, gfc_omp_clause_assign_op, gfc_omp_clause_dtor): New functions. (gfc_trans_omp_array_reduction): If decl is allocatable array, allocate it with outer var's bounds in OMP_CLAUSE_REDUCTION_INIT and deallocate it in OMP_CLAUSE_REDUCTION_MERGE. (gfc_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED for assumed-size arrays. (gfc_trans_omp_do): Add par_clauses argument. If dovar is present in lastprivate clause and do loop isn't simple, set OMP_CLAUSE_LASTPRIVATE_STMT. If dovar is present in parallel's lastprivate clause, change it to shared and add lastprivate clause to OMP_FOR_CLAUSES. Handle collapsed do loops. (gfc_trans_omp_directive): Adjust gfc_trans_omp_do callers. (gfc_trans_omp_parallel_do): Likewise. Move collapse clause to OMP_FOR from OMP_PARALLEL. (gfc_trans_omp_clauses): Handle OMP_SCHED_AUTO, OMP_DEFAULT_FIRSTPRIVATE, untied and collapse clauses. (gfc_trans_omp_task, gfc_trans_omp_taskwait): New functions. (gfc_trans_omp_directive): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. gcc/testsuite/ * gcc.dg/gomp/collapse-1.c: New test. * gcc.dg/gomp/nesting-1.c: New test. * g++.dg/gomp/task-1.C: New test. * g++.dg/gomp/predetermined-1.C: New test. * g++.dg/gomp/tls-4.C: New test. * gfortran.dg/gomp/collapse1.f90: New test. * gfortran.dg/gomp/sharing-3.f90: New test. * gcc.dg/gomp/pr27499.c (foo): Remove is unsigned dg-warning. * g++.dg/gomp/pr27499.C (foo): Likewise. * g++.dg/gomp/for-16.C (foo): Likewise. * g++.dg/gomp/tls-3.C: Remove dg-error, add S::s definition. * g++.dg/gomp/pr34607.C: Adjust dg-error location. * g++.dg/gomp/for-16.C (foo): Add a new dg-error. * gcc.dg/gomp/appendix-a/a.35.4.c: Add dg-warning. * gcc.dg/gomp/appendix-a/a.35.6.c: Likewise. * gfortran.dg/gomp/appendix-a/a.35.4.f90: Likewise. * gfortran.dg/gomp/appendix-a/a.35.6.f90: Likewise. * gfortran.dg/gomp/omp_parse1.f90: Remove !$omp tab test. * gfortran.dg/gomp/appendix-a/a.33.4.f90: Remove dg-error about allocatable array. * gfortran.dg/gomp/reduction1.f90: Likewise. libgomp/ * configure.ac (LIBGOMP_GNU_SYMBOL_VERSIONING): New AC_DEFINE. Substitute also OMP_*LOCK_25*. * configure: Regenerated. * config.h.in: Regenerated. * Makefile.am (libgomp_la_SOURCES): Add loop_ull.c, iter_ull.c, ptrlock.c and task.c. * Makefile.in: Regenerated. * testsuite/Makefile.in: Regenerated. * task.c: New file. * loop_ull.c: New file. * iter_ull.c: New file. * libgomp.h: Include ptrlock.h. (enum gomp_task_kind): New type. (struct gomp_team): Add task_lock, task_queue, task_count, task_running_count, single_count fields. Add work_share_list_free_lock ifndef HAVE_SYNC_BUILTINS. Remove work_share_lock, generation_mask, oldest_live_gen, num_live_gen and init_work_shares fields, add work work_share_list_alloc, work_share_list_free and work_share_chunk fields. Change work_shares from pointer to pointers into an array. Change ordered_release field into gomp_sem_t ** from flexible array member. Add implicit_task and initial_work_shares fields. Move close to the end of the struct. (struct gomp_team_state): Add single_count, last_work_share, active_level and level fields, remove work_share_generation. (gomp_barrier_handle_tasks): New prototype. (gomp_finish_task): New inline function. (struct gomp_work_share): Move chunk_size, end, incr into transparent union/struct, add chunk_size_ull, end_ll, incr_ll and next_ll fields. Reshuffle fields. Add next_alloc, next_ws, next_free and inline_ordered_team_ids fields, change ordered_team_ids into pointer from flexible array member. Add mode field. Put lock and next into a different cache line from most of the write-once fields. (gomp_iter_ull_static_next, gomp_iter_ull_dynamic_next_locked, gomp_iter_ull_guided_next_locked, gomp_iter_ull_dynamic_next, gomp_iter_ull_guided_next): New prototypes. (gomp_new_icv): New prototype. (struct gomp_thread): Add thread_pool and task fields. (struct gomp_thread_pool): New type. (gomp_new_team): New prototype. (gomp_team_start): Change type of last argument. (gomp_new_work_share): Removed. (gomp_init_work_share, gomp_fini_work_share): New prototypes. (gomp_work_share_init_done): New static inline. (gomp_throttled_spin_count_var, gomp_available_cpus, gomp_managed_threads): New extern decls. (gomp_init_task): New prototype. (gomp_spin_count_var): New extern var decl. (LIBGOMP_GNU_SYMBOL_VERSIONING): Undef if no visibility or no alias support, or if not PIC. (gomp_init_lock_30, gomp_destroy_lock_30, gomp_set_lock_30, gomp_unset_lock_30, gomp_test_lock_30, gomp_init_nest_lock_30, gomp_destroy_nest_lock_30, gomp_set_nest_lock_30, gomp_unset_nest_lock_30, gomp_test_nest_lock_30, gomp_init_lock_25, gomp_destroy_lock_25, gomp_set_lock_25, gomp_unset_lock_25, gomp_test_lock_25, gomp_init_nest_lock_25, gomp_destroy_nest_lock_25, gomp_set_nest_lock_25, gomp_unset_nest_lock_25, gomp_test_nest_lock_25): New prototypes. (omp_lock_symver, strong_alias): Define. (gomp_remaining_threads_count, gomp_remaining_threads_lock): New decls. (gomp_end_task): New. (struct gomp_task_icv, gomp_global_icv): New. (gomp_thread_limit_var, gomp_max_active_levels_var): New. (struct gomp_task): New. (gomp_nthreads_var, gomp_dyn_var, gomp_nest_var, gomp_run_sched_var, gomp_run_sched_chunk): Remove. (gomp_icv): New. (gomp_schedule_type): Reorder enum to match omp_sched_t. * team.c (struct gomp_thread_start_data): Add thread_pool and task fields. (gomp_thread_start): Add gomp_team_barrier_wait call. For non-nested case remove clearing of docked thread thr fields. Use pool fields instead of global gomp_* variables. Use gomp_barrier_wait_last when needed. Initialize ts.active_level. Create tasks for each member thread. (free_team): Only destroy team barrier, task_lock here and free it. (gomp_free_thread): Free last_team if non-NULL. (gomp_team_end): Call gomp_team_barrier_wait instead of gomp_barrier_wait. For nested case call one extra gomp_barrier_wait. Move here some destruction from free_team. Call free_team on pool->last_team if any, rather than freeing current team. Destroy work_share_list_free_lock ifndef HAVE_SYNC_BUILTINS. (gomp_new_icv): New function. (gomp_threads, gomp_threads_size, gomp_threads_used, gomp_threads_dock): Removed. (gomp_thread_destructor): New variable. (gomp_new_thread_pool, gomp_free_pool_helper, gomp_free_thread): New functions. (gomp_team_start): Create new pool if current thread doesn't have one. Use pool fields instead of global gomp_* variables. Initialize thread_pool field for new threads. Clear single_count. Change last argument from ws to team, don't create new team, set ts.work_share to &team->work_shares[0] and clear ts.last_work_share. Don't clear ts.work_share_generation. If number of threads changed, adjust atomically gomp_managed_threads. Use gomp_init_task instead of gomp_new_task, set thr->task to the corresponding implicit_task array entry. Create tasks for each member thread. Initialize ts.level. (initialize_team): Call pthread_key_create on gomp_thread_destructor. (team_destructor): New function. (new_team): Removed. (gomp_new_team): New function. (free_team): Free gomp_work_share blocks chained through next_alloc, instead of freeing work_shares and destroying work_share_lock. (gomp_team_end): Call gomp_fini_work_share. If number of threads changed, adjust atomically gomp_managed_threads. Use gomp_end_task. * barrier.c (GOMP_barrier): Call gomp_team_barrier_wait instead of gomp_barrier_wait. * single.c (GOMP_single_copy_start): Call gomp_team_barrier_wait instead of gomp_barrier_wait. Call gomp_work_share_init_done if gomp_work_share_start returned true. Don't unlock ws->lock. (GOMP_single_copy_end): Call gomp_team_barrier_wait instead of gomp_barrier_wait. (GOMP_single_start): Rewritten if HAVE_SYNC_BUILTINS. Call gomp_work_share_init_done if gomp_work_share_start returned true. Don't unlock ws->lock. * work.c: Include stddef.h. (free_work_share): Use work_share_list_free_lock instead of atomic chaining ifndef HAVE_SYNC_BUILTINS. Add team argument. Call gomp_fini_work_share and then either free ws if orphaned, or put it into work_share_list_free list of the current team. (alloc_work_share, gomp_init_work_share, gomp_fini_work_share): New functions. (gomp_work_share_start, gomp_work_share_end, gomp_work_share_end_nowait): Rewritten. * omp_lib.f90.in Change some tabs to spaces to prevent warnings. (openmp_version): Set to 200805. (omp_sched_kind, omp_sched_static, omp_sched_dynamic, omp_sched_guided, omp_sched_auto): New parameters. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New interfaces. * omp_lib.h.in (openmp_version): Set to 200805. (omp_sched_kind, omp_sched_static, omp_sched_dynamic, omp_sched_guided, omp_sched_auto): New parameters. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New externals. * loop.c: Include limits.h. (GOMP_loop_runtime_next, GOMP_loop_ordered_runtime_next): Handle GFS_AUTO. (GOMP_loop_runtime_start, GOMP_loop_ordered_runtime_start): Likewise. Use gomp_icv. (gomp_loop_static_start, gomp_loop_dynamic_start): Clear ts.static_trip here. (gomp_loop_static_start, gomp_loop_ordered_static_start): Call gomp_work_share_init_done after gomp_loop_init. Don't unlock ws->lock. (gomp_loop_dynamic_start, gomp_loop_guided_start): Call gomp_work_share_init_done after gomp_loop_init. If HAVE_SYNC_BUILTINS, don't unlock ws->lock, otherwise lock it. (gomp_loop_ordered_dynamic_start, gomp_loop_ordered_guided_start): Call gomp_work_share_init_done after gomp_loop_init. Lock ws->lock. (gomp_parallel_loop_start): Call gomp_new_team instead of gomp_new_work_share. Call gomp_loop_init on &team->work_shares[0]. Adjust gomp_team_start caller. Pass 0 as second argument to gomp_resolve_num_threads. (gomp_loop_init): For GFS_DYNAMIC, multiply ws->chunk_size by incr. If adding ws->chunk_size nthreads + 1 times after end won't overflow, set ws->mode to 1. * libgomp_g.h (GOMP_loop_ull_static_start, GOMP_loop_ull_dynamic_start, GOMP_loop_ull_guided_start, GOMP_loop_ull_runtime_start, GOMP_loop_ull_ordered_static_start, GOMP_loop_ull_ordered_dynamic_start, GOMP_loop_ull_ordered_guided_start, GOMP_loop_ull_ordered_runtime_start, GOMP_loop_ull_static_next, GOMP_loop_ull_dynamic_next, GOMP_loop_ull_guided_next, GOMP_loop_ull_runtime_next, GOMP_loop_ull_ordered_static_next, GOMP_loop_ull_ordered_dynamic_next, GOMP_loop_ull_ordered_guided_next, GOMP_loop_ull_ordered_runtime_next, GOMP_task, GOMP_taskwait): New prototypes. * libgomp.map: Export lock routines also @@OMP_2.0. (GOMP_loop_ordered_dynamic_first, GOMP_loop_ordered_guided_first, GOMP_loop_ordered_runtime_first, GOMP_loop_ordered_static_first): Remove. (GOMP_loop_ull_dynamic_next, GOMP_loop_ull_dynamic_start, GOMP_loop_ull_guided_next, GOMP_loop_ull_guided_start, GOMP_loop_ull_ordered_dynamic_next, GOMP_loop_ull_ordered_dynamic_start, GOMP_loop_ull_ordered_guided_next, GOMP_loop_ull_ordered_guided_start, GOMP_loop_ull_ordered_runtime_next, GOMP_loop_ull_ordered_runtime_start, GOMP_loop_ull_ordered_static_next, GOMP_loop_ull_ordered_static_start, GOMP_loop_ull_runtime_next, GOMP_loop_ull_runtime_start, GOMP_loop_ull_static_next, GOMP_loop_ull_static_start, GOMP_task, GOMP_taskwait): Export @@GOMP_2.0. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level, omp_set_schedule_, omp_set_schedule_8_, omp_get_schedule_, omp_get_schedule_8_, omp_get_thread_limit_, omp_set_max_active_levels_, omp_set_max_active_levels_8_, omp_get_max_active_levels_, omp_get_level_, omp_get_ancestor_thread_num_, omp_get_ancestor_thread_num_8_, omp_get_team_size_, omp_get_team_size_8_, omp_get_active_level_): New exports @@OMP_3.0. * omp.h.in (omp_sched_t): New type. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New prototypes. * env.c (gomp_spin_count_var, gomp_throttled_spin_count_var, gomp_available_cpus, gomp_managed_threads, gomp_max_active_levels_var, gomp_thread_limit_var, gomp_remaining_threads_count, gomp_remaining_threads_lock): New variables. (parse_spincount): New function. (initialize_env): Call gomp_init_num_threads unconditionally. Initialize gomp_available_cpus. Call parse_spincount, initialize gomp_{,throttled_}spin_count_var depending on presence and value of OMP_WAIT_POLICY and GOMP_SPINCOUNT env vars. Handle GOMP_BLOCKTIME env var. Handle OMP_WAIT_POLICY, OMP_MAX_ACTIVE_LEVELS, OMP_THREAD_LIMIT, OMP_STACKSIZE env vars. Handle unit specification for GOMP_STACKSIZE. Initialize gomp_remaining_threads_count and gomp_remaining_threads_lock if needed. Use gomp_global_icv. (gomp_nthreads_var, gomp_dyn_var, gomp_nest_var, gomp_run_sched_var, gomp_run_sched_chunk): Remove. (gomp_global_icv): New. (parse_schedule): Use it. Parse "auto". (omp_set_num_threads): Use gomp_icv. (omp_set_dynamic, omp_get_dynamic, omp_set_nested, omp_get_nested): Likewise. (omp_get_max_threads): Move from parallel.c. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels): New functions, add ialias. (parse_stacksize, parse_wait_policy): New functions. * fortran.c: Rewrite lock wrappers, if symbol versioning provide both wrappers for compatibility and new locks. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New ialias_redirect. (omp_set_schedule_, omp_set_schedule_8_, omp_get_schedule_, omp_get_schedule_8_, omp_get_thread_limit_, omp_set_max_active_levels_, omp_set_max_active_levels_8_, omp_get_max_active_levels_, omp_get_level_, omp_get_ancestor_thread_num_, omp_get_ancestor_thread_num_8_, omp_get_team_size_, omp_get_team_size_8_, omp_get_active_level_): New functions. * parallel.c: Include limits.h. (gomp_resolve_num_threads): Add count argument. Rewritten. (GOMP_parallel_start): Call gomp_new_team and pass that as last argument to gomp_team_start. Pass 0 as second argument to gomp_resolve_num_threads. (GOMP_parallel_end): Decrease gomp_remaining_threads_count if gomp_thread_limit_var != ULONG_MAX. (omp_in_parallel): Implement using ts.active_level. (omp_get_max_threads): Move to env.c. (omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New functions, add ialias. * sections.c (GOMP_sections_start): Call gomp_work_share_init_done after gomp_sections_init. If HAVE_SYNC_BUILTINS, call gomp_iter_dynamic_next instead of the _locked variant and don't take lock around it, otherwise acquire it before calling gomp_iter_dynamic_next_locked. (GOMP_sections_next): If HAVE_SYNC_BUILTINS, call gomp_iter_dynamic_next instead of the _locked variant and don't take lock around it. (GOMP_parallel_sections_start): Call gomp_new_team instead of gomp_new_work_share. Call gomp_sections_init on &team->work_shares[0]. Adjust gomp_team_start caller. Pass count as second argument to gomp_resolve_num_threads, don't adjust num_threads after the call. Use gomp_icv. * iter.c (gomp_iter_dynamic_next_locked): Don't multiply ws->chunk_size by incr. (gomp_iter_dynamic_next): Likewise. If ws->mode, use more efficient code. * libgomp_f.h.in (omp_lock_25_arg_t, omp_nest_lock_25_arg_t): New types. (omp_lock_25_arg, omp_nest_lock_25_arg): New macros. (omp_check_defines): Check even the compat defines. * config/linux/ptrlock.c: New file. * config/linux/ptrlock.h: New file. * config/linux/wait.h: New file. * config/posix/ptrlock.c: New file. * config/posix/ptrlock.h: New file. * config/linux/bar.h (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New prototypes. (gomp_team_barrier_set_task_pending, gomp_team_barrier_clear_task_pending, gomp_team_barrier_set_waiting_for_tasks, gomp_team_barrier_waiting_for_tasks, gomp_team_barrier_done): New inlines. (gomp_barrier_t): Rewritten. (gomp_barrier_state_t): New typedef. (gomp_barrier_init, gomp_barrier_reinit, gomp_barrier_destroy, gomp_barrier_wait_start): Rewritten. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_barrier_last_thread, gomp_barrier_wait_last): New static inlines. * config/linux/bar.c: Include wait.h instead of libgomp.h and futex.h. (gomp_barrier_wait_end): Rewritten. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake, gomp_barrier_wait_last): New functions. * config/posix/bar.h (gomp_barrier_t): Add generation field. (gomp_barrier_state_t): New typedef. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New prototypes. (gomp_barrier_wait_start): Or all but low 2 bits from generation into the return value. Return gomp_barrier_state_t. (gomp_team_barrier_set_task_pending, gomp_team_barrier_clear_task_pending, gomp_team_barrier_set_waiting_for_tasks, gomp_team_barrier_waiting_for_tasks, gomp_team_barrier_done): New inlines. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_barrier_last_thread, gomp_barrier_wait_last): New static inlines. * config/posix/bar.c (gomp_barrier_init): Clear generation field. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New functions. * config/linux/mutex.c: Include wait.h instead of libgomp.h and futex.h. (gomp_futex_wake, gomp_futex_wait): New variables. (gomp_mutex_lock_slow): Call do_wait instead of futex_wait. * config/linux/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. Include wait.h instead of libgomp.h and futex.h. (gomp_set_nest_lock_25): Call do_wait instead of futex_wait. * config/posix95/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. * config/posix/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. * config/linux/proc.c (gomp_init_num_threads): Use gomp_global_icv. (get_num_procs, gomp_dynamic_max_threads): Use gomp_icv. * config/posix/proc.c, config/mingw32/proc.c: Similarly. * config/linux/powerpc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/alpha/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/x86/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/s390/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/ia64/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/sparc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/sem.c: Include wait.h instead of libgomp.h and futex.h. (gomp_sem_wait_slow): Call do_wait instead of futex_wait. * config/linux/affinity.c: Assume HAVE_SYNC_BUILTINS. * config/linux/omp-lock.h (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_nest_lock_t): Change owner into void *, add lock field. * config/posix95/omp-lock.h: Include semaphore.h. (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_lock_t): Use sem_t instead of mutex if semaphores aren't broken. (omp_nest_lock_t): Likewise. Change owner to void *. * config/posix/omp-lock.h: Include semaphore.h. (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_lock_t): Use sem_t instead of mutex if semaphores aren't broken. (omp_nest_lock_t): Likewise. Add owner field. * testsuite/libgomp.c/collapse-1.c: New test. * testsuite/libgomp.c/collapse-2.c: New test. * testsuite/libgomp.c/collapse-3.c: New test. * testsuite/libgomp.c/icv-1.c: New test. * testsuite/libgomp.c/icv-2.c: New test. * testsuite/libgomp.c/lib-2.c: New test. * testsuite/libgomp.c/lock-1.c: New test. * testsuite/libgomp.c/lock-2.c: New test. * testsuite/libgomp.c/lock-3.c: New test. * testsuite/libgomp.c/loop-4.c: New test. * testsuite/libgomp.c/loop-5.c: New test. * testsuite/libgomp.c/loop-6.c: New test. * testsuite/libgomp.c/loop-7.c: New test. * testsuite/libgomp.c/loop-8.c: New test. * testsuite/libgomp.c/loop-9.c: New test. * testsuite/libgomp.c/nested-3.c: New test. * testsuite/libgomp.c/nestedfn-6.c: New test. * testsuite/libgomp.c/sort-1.c: New test. * testsuite/libgomp.c/task-1.c: New test. * testsuite/libgomp.c/task-2.c: New test. * testsuite/libgomp.c/task-3.c: New test. * testsuite/libgomp.c/task-4.c: New test. * testsuite/libgomp.c++/c++.exp: Add libstdc++-v3 build includes to C++ testsuite default compiler options. * testsuite/libgomp.c++/collapse-1.C: New test. * testsuite/libgomp.c++/collapse-2.C: New test. * testsuite/libgomp.c++/ctor-10.C: New test. * testsuite/libgomp.c++/for-1.C: New test. * testsuite/libgomp.c++/for-2.C: New test. * testsuite/libgomp.c++/for-3.C: New test. * testsuite/libgomp.c++/for-4.C: New test. * testsuite/libgomp.c++/for-5.C: New test. * testsuite/libgomp.c++/loop-8.C: New test. * testsuite/libgomp.c++/loop-9.C: New test. * testsuite/libgomp.c++/loop-10.C: New test. * testsuite/libgomp.c++/task-1.C: New test. * testsuite/libgomp.c++/task-2.C: New test. * testsuite/libgomp.c++/task-3.C: New test. * testsuite/libgomp.c++/task-4.C: New test. * testsuite/libgomp.c++/task-5.C: New test. * testsuite/libgomp.c++/task-6.C: New test. * testsuite/libgomp.fortran/allocatable1.f90: New test. * testsuite/libgomp.fortran/allocatable2.f90: New test. * testsuite/libgomp.fortran/allocatable3.f90: New test. * testsuite/libgomp.fortran/allocatable4.f90: New test. * testsuite/libgomp.fortran/collapse1.f90: New test. * testsuite/libgomp.fortran/collapse2.f90: New test. * testsuite/libgomp.fortran/collapse3.f90: New test. * testsuite/libgomp.fortran/collapse4.f90: New test. * testsuite/libgomp.fortran/lastprivate1.f90: New test. * testsuite/libgomp.fortran/lastprivate2.f90: New test. * testsuite/libgomp.fortran/lib4.f90: New test. * testsuite/libgomp.fortran/lock-1.f90: New test. * testsuite/libgomp.fortran/lock-2.f90: New test. * testsuite/libgomp.fortran/nested1.f90: New test. * testsuite/libgomp.fortran/nestedfn4.f90: New test. * testsuite/libgomp.fortran/strassen.f90: New test. * testsuite/libgomp.fortran/tabs1.f90: New test. * testsuite/libgomp.fortran/tabs2.f: New test. * testsuite/libgomp.fortran/task1.f90: New test. * testsuite/libgomp.fortran/task2.f90: New test. * testsuite/libgomp.fortran/vla4.f90: Add dg-warning. * testsuite/libgomp.fortran/vla5.f90: Likewise. * testsuite/libgomp.c/pr26943-2.c: Likewise. * testsuite/libgomp.c/pr26943-3.c: Likewise. * testsuite/libgomp.c/pr26943-4.c: Likewise. Co-Authored-By: Jakob Blomer <jakob.blomer@ira.uka.de> Co-Authored-By: Richard Henderson <rth@redhat.com> Co-Authored-By: Ulrich Drepper <drepper@redhat.com> From-SVN: r136433
2008-06-06 15:01:54 +02:00
/* This wasn't right for OpenMP 2.5. Active region used to be non-zero
when the IF clause doesn't evaluate to false, starting with OpenMP 3.0
it is non-zero with more than one thread in the team. */
[multiple changes] 2006-01-18 Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * libgomp: New directory. * Makefile.def: Add target_module libgomp. * Makefile.in: Regenerate. * configure.in (target_libraries): Add target-libgomp. * configure: Regenerate. contrib/ 2006-01-18 Richard Henderson <rth@redhat.com> Diego Novillo <dnovillo@redhat.com> * gcc_update (files_and_dependencies): Add libgomp files. gcc/ 2006-01-18 Richard Henderson <rth@redhat.com> Aldy Hernandez <aldyh@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * omp-low.c: New file. * c-omp.c: New file. 2006-01-18 Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * doc/invoke.texi: Document -fopenmp. * tree-dump.h (debug_function): Declare. * hooks.c (hook_bool_tree_bool_false): New function. (hook_tree_tree_null): Remove. (hook_tree_tree_tree_null): New. * hooks.h: Update to match. * tree-pretty-print.c (debug_tree_chain): New. (print_generic_expr): Handle TDF_CHAIN. (dump_generic_node): Handle BLOCK. Do not abort with incomplete SWITCH_EXPRs. Do not dump body of an OpenMP directive if TDF_SLIM is given. <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't print space after directive name. <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY. Handle OMP_MASTER and OMP_ORDERED. Handle printing of OMP_BODY just in one place, goto dump_omp_body in the rest of OMP_* nodes that have OMP_BODY. Don't handle clause nodes here. Update omp statements to use dump_omp_clauses. Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION, OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC, OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF, GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED, GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE, GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE. Adjust output for GOMP_PARALLEL. (dump_omp_clauses): New. (print_declaration): Dump DECL_VALUE_EXPR. (op_symbol_1): Split out of op_symbol. (dumping_stmts): Remove. Update all users. * cgraph.c (cgraph_analyze_queue): New. (cgraph_add_new_function): New. * cgraph.h (cgraph_analyze_queue): Declare. (cgraph_add_new_function): Declare. (cgraph_lower_function): Remove. * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_* nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS and TYPE_P nodes in its default clause. (empty_body_p): New. (tree_range_check_failed): New. (build5_stat): New. * tree.h (OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE, OMP_CLAUSE_REDUCTION_PLACEHOLDER, OMP_CLAUSE_PRIVATE_DEBUG, OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY, OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY, OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND, OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL, OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR, OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT, OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT, OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC, OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST, OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY, OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY, OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New. (TREE_RANGE_CHECK): New. (empty_body_p): Declare. (enum omp_clause_default_kind): New. (build_string_literal): Declare. (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New. (build5_stat, build5): Declare. * tree-pass.h (TDF_CHAIN): Define. * tree-pass.h (PROP_gimple_lomp): Define. (pass_lower_omp): Declare. * diagnostic.h (debug_tree_chain): Declare. * builtins.c (get_builtin_sync_mode): Use 0 as last argument to mode_for_size. (expand_builtin): Handle sync BUILT_IN_*_16 builtins. * builtins.c (build_string_literal): Make extern. * gcc.c (include_spec_function): New. (static_spec_functions): Add it. (main): Move load of libgomp.spec ... (LINK_COMMAND_SPEC): ... here. (link_gomp_spec): New. (static_specs): Include it. (LINK_COMMAND_SPEC): Add link_gomp. (GOMP_SELF_SPECS): New. (driver_self_specs): Include it. (switch_matches): Don't mark inline. (main): Load libgomp.spec. * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION, and OMP_SINGLE, OMP_FOR and OMP_PARALLEL. * tree-gimple.h (enum omp_parallel): Declare. (determine_parallel_type): Declare. (omp_firstprivatize_variable): Declare. (omp_reduction_init): Declare. (diagnose_omp_structured_block_errors): Declare. (struct walk_stmt_info): Add want_return_expr. (struct walk_stmt_info): Add want_bind_expr, want_locations. (find_omp_clause): Declare. (insert_field_into_struct): Declare. (struct walk_stmt_info): Move from tree-nested.c (walk_stmts): Declare. * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP to 200505. * cgraphunit.c (cgraph_lower_function): Make static. (cgraph_finalize_pending_functions): New. (cgraph_finalize_function): Call it. (cgraph_finalize_compilation_unit): Likewise. * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16, BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add. (BT_FN_UINT_UINT): New. (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7, DEF_FUNCTION_TYPE_VAR_4): Document. (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT, BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR, BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT, BT_FN_VOID_OMPFN_PTR_UINT_UINT, BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR, BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New. * builtins.def: Update DEF_BUILTIN comment to include COND argument. Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins into separate files. (DEF_GOMP_BUILTIN): New. (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER, BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END, BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END, BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START, BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START, BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START, BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START, BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START, BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT, 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_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT, BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END, BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END, BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT, BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END, BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START, BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New. * sync-builtins.def: New file, moved from builtins.def. * omp-builtins.def: New file, moved from builtins.def. * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine. * gimple-low.c (lower_function_body): Clear data. (lower_stmt): Do not handle COMPOUND_EXPR. Remove call to print_node_brief. * c-tree.h (c_finish_omp_clauses): New prototype. (C_DECL_THREADPRIVATE_P): Define. (lookup_name_no_remap, c_omp_remap_private): Remove (c_begin_omp_parallel, c_finish_omp_parallel): Update. (check_for_loop_decls): Update decl. (lookup_name_no_remap, c_omp_remap_private): Declare. (build_indirect_ref, build_modify_expr, pushdecl, pushdecl_top_level): Move to c-common.h. * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp before the switch, but just in the 2 places that need it. * c-decl.c (diagnose_mismatched_decls): Do not check for mismatched thread-local attributes when OLDDECL is marked threadprivate and NEWDECL has no thread-local attributes. (merge_decls): Merge C_DECL_THREADPRIVATE_P. (c_gimple_diagnostics_recursively): Rename from c_warn_unused_result_recursively. Invoke diagnose_omp_structured_block_errors. (check_for_loop_decls): Return a singular decl found. * langhooks.c (lhd_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls. (lhd_omp_firstprivatize_type_sizes): New. (lhd_omp_assignment): New. (lhd_omp_predetermined_sharing): New. * langhooks.h (struct gimplify_omp_ctx): Forward declare. (struct lang_hooks_for_types): Add omp_firstprivatize_type_sizes, omp_privatize_by_reference, omp_predetermined_sharing, omp_disregard_value_expr, omp_private_debug_clause, omp_clause_default_ctor, omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor. (c_finish_omp_clauses): New. (c_finish_bc_stmt): Diagnose break within omp for. (c_begin_omp_parallel, c_finish_omp_parallel): New. (build_unary_op): Return error_mark after reporting a readonly_error. (build_modify_expr): Likewise. * gimplify.c: Include optabs.h and pointer-set.h. (enum gimplify_omp_var_data): Declare. (struct gimplify_omp_ctx): Declare. (struct gimplify_ctx): Add fields prev_context, combined_pre_p and combined_ctxp. (gimplify_ctxp, gimplify_omp_ctxp): New local variables. (push_gimplify_context, pop_gimplify_context): Allow nesting. (splay_tree_compare_decl_uid): New. (new_omp_context): New. (delete_omp_context): New. (gimple_add_tmp_var): Call omp_add_variable. (gimplify_bind_expr): Likewise. (gimplify_var_or_parm_decl): If omp_notice_variable returned true, disregard DECL_VALUE_EXPR on the decl if any. (gimplify_expr_in_ctx): New. (omp_firstprivatize_variable, omp_firstprivatize_type_sizes omp_add_variable, omp_notice_variable, omp_is_private gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1 gimplify_adjust_omp_clauses, gimplify_omp_parallel gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p gimplify_omp_atomic_fetch_op, goa_stabilize_expr gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex gimplify_omp_atomic): New. (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS, OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL and OMP_ATOMIC. (gimplify_body): Verify gimplify_ctxp is empty after gimplification. * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER, PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR, PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED, PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR, PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION, PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE, PRAGMA_OMP_THREADPRIVATE. * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS, OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define. * print-tree.c (print_node): Dump DECL_VALUE_EXPR. * tree-ssa-dce.c (find_control_dependence): Do not assume that ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR). * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for OpenMP directives. (struct nesting_info): Add field_map, suppress_expansion, debug_var_chain. (create_nesting_tree): Initialize them. (lookup_field_for_decl): Use field_map. (get_nonlocal_debug_decl, get_local_debug_decl): New. (convert_local_omp_clauses): New. (finalize_nesting_tree_1): Add debug_var_chain to toplevel block. (walk_body): Split out of walk_function. (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New. (convert_nonlocal_reference): Handle omp statements. (convert_local_reference): Likewise. (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1. (unnest_nesting_tree): New. (lower_nested_functions): Call it. (insert_field_into_struct): Make extern. (struct walk_stmt_info): Move to tree-gimple.h. (walk_stmts): Make extern. * omp-builtins.def: New file. * tree-iterator.c (expr_only): Clarify comment. * c-common.h (pushdecl_top_level, pushdecl, build_modify_expr, build_indirect_ref, c_finish_omp_master, c_finish_omp_critical, c_finish_omp_ordered, c_finish_omp_barrier, c_finish_omp_atomic, c_finish_omp_flush, c_finish_omp_for, c_split_parallel_clauses, omp_clause_default_kind, c_omp_sharing_predetermined, c_omp_remap_decl): Declare. * Makefile.in (BUILTINS_DEF): Add omp-builtins.def. (OBJS-common): Add omp-low.o. (c-omp.o, omp-low.o): Add. (gimplify.o): Add dependency on $(OPTABS_H). (GTFILES): Add omp-low.c. (gt-stringpool.h): Add. * tree-cfg.c (set_bb_for_stmt): Do not update the block-to-labels map if we are currently expanding to RTL. (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P checks. Handle IDENTIFIER_NODE. (tree_verify_flow_info): Do not ICE when emitting error messages about invalid labels. (dump_function_to_file): Reset CFUN before emitting the body of the function. (debug_function): New. * passes.c (init_optimization_passes): Schedule pass_lower_omp. * langhooks-def.h (lhd_omp_predetermined_sharing, lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes): Declare. (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define. (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it. (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE, LANG_HOOKS_OMP_PREDETERMINED_SHARING, LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR, LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE, LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR, LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, LANG_HOOKS_OMP_CLAUSE_DTOR): Define. (LANG_HOOK_DECLS): Use them. 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com> Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * c-parser.c (pragma_omp_clause): Define. (c_parser_declaration_or_fndef): Document OpenMP syntax. (c_parser_compound_statement): Likewise. (c_parser_statement): Likewise. (c_parser_pragma): Handle omp pragmas. (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK, OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define. (c_parser_omp_clause_name, check_no_duplicate_clause, c_parser_omp_variable_list, c_parser_omp_var_list_parens, c_parser_omp_clause_copyin, c_parser_omp_clause_copyprivate, c_parser_omp_clause_default, c_parser_omp_clause_firstprivate, c_parser_omp_clause_if, c_parser_omp_clause_lastprivate, c_parser_omp_clause_nowait, c_parser_omp_clause_num_threads, c_parser_omp_clause_ordered, c_parser_omp_clause_private, c_parser_omp_clause_reduction, c_parser_omp_clause_schedule, c_parser_omp_clause_shared, c_parser_omp_all_clauses, c_parser_omp_structured_block, c_parser_omp_atomic, c_parser_omp_barrier, c_parser_omp_critical, c_parser_omp_flush, c_parser_omp_for_loop, c_parser_omp_for, c_parser_omp_master, c_parser_omp_ordered, c_parser_omp_sections_scope, c_parser_omp_sections, c_parser_omp_parallel, c_parser_omp_single, c_parser_omp_construct, c_parser_omp_threadprivate): New. * c-pragma.c (init_pragma): Do omp pragma registration here. * c.opt (fopenmp): New flag. 2006-01-18 Eric Christopher <echristo@apple.com> * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif. * config/darwin.h (GOMP_SELF_SPECS): Define. testsuite/ 2006-01-18 Richard Henderson <rth@redhat.com> Aldy Hernandez <aldyh@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> Uros Bizjak <uros@kss-loka.si> * testsuite/gcc.dg/gomp: New directory. From-SVN: r109902
2006-01-18 20:21:25 +01:00
int
c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805. * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805. * langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause. Add omp_private_outer_ref hook, add another argument to omp_clause_default_ctor hook. * langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define. (LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define. (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to hook_tree_tree_tree_tree_null. (LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and LANG_HOOKS_OMP_PRIVATE_OUTER_REF. * hooks.c (hook_tree_tree_tree_tree_null): New function. * hooks.h (hook_tree_tree_tree_tree_null): New prototype. * tree.def (OMP_TASK): New tree code. * tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN, OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT, OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES, OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY, OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG, OMP_CLAUSE_COLLAPSE_EXPR): Define. (enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. (OMP_DIRECTIVE_P): Add OMP_TASK. (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes. (OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind. * tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED entries. (omp_clause_num_ops): Likewise. Increase OMP_CLAUSE_LASTPRIVATE num_ops to 2. (walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Walk OMP_CLAUSE_LASTPRIVATE_STMT. * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. (dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops. * c-omp.c (c_finish_omp_for): Allow pointer iterators. Remove warning about unsigned iterators. Change decl/init/cond/incr arguments to TREE_VECs, check arguments for all collapsed loops. (c_finish_omp_taskwait): New function. (c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to ws_clauses. * c-parser.c (c_parser_omp_for_loop): Parse collapsed loops. Call default_function_array_conversion on init. Add par_clauses argument. If decl is present in parallel's lastprivate clause, change it to shared and add lastprivate clause for decl to OMP_FOR_CLAUSES. Add clauses argument, on success set OMP_FOR_CLAUSES to it. Look up collapse count in clauses. (c_parser_omp_for, c_parser_omp_parallel): Adjust c_parser_omp_for_loop callers. (OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE. (c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT. (c_parser_omp_clause_name): Handle collapse and untied clauses. (c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New functions. (c_parser_omp_clause_schedule): Handle schedule(auto). Include correct location in the error message. (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE and PRAGMA_OMP_CLAUSE_UNTIED. (OMP_TASK_CLAUSE_MASK): Define. (c_parser_omp_task, c_parser_omp_taskwait): New functions. (c_parser_omp_construct): Handle PRAGMA_OMP_TASK. * tree-nested.c (convert_nonlocal_omp_clauses, convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE, OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in OMP_CLAUSE_DECL. (conver_nonlocal_reference, convert_local_reference, convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL. Use OMP_TASKREG_* macros rather than OMP_PARALLEL_*. (walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes. * tree-gimple.c (is_gimple_stmt): Handle OMP_TASK. * c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes. * c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New. (PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New. * c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions. (c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. * c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas. * c-common.h (c_finish_omp_taskwait): New prototype. * gimple-low.c (lower_stmt): Handle OMP_TASK. * tree-parloops.c (create_parallel_loop): Create 1 entry vectors for OMP_FOR_{INIT,COND,INCR}. * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers. (make_edges): Handle OMP_TASK. * tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. * tree-inline.c (estimate_num_insns_1): Handle OMP_TASK. * builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR, BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New. * omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT, BUILT_IN_GOMP_LOOP_ULL_STATIC_START, BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ULL_GUIDED_START, BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins. * gimplify.c (gimplify_omp_for): Allow pointer type for decl, handle POINTER_PLUS_EXPR. If loop counter has been replaced and original iterator is present in lastprivate clause or if collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT. Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. (gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK. (enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF. (omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed, if it is set, lookup var in outer contexts too. Handle OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. Handle vars that are supposed to be implicitly determined firstprivate for task regions. (gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed, if it is set, lookup var in outer contexts too. Set OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set. Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Take region_type as last argument instead of in_parallel and in_combined_parallel. (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare): Adjust callers. (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set. Call omp_finish_clause langhook. (new_omp_context): Set default_kind to OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions. (omp_region_type): New enum. (struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel fields, add region_type. (new_omp_context): Take region_type as argument instead of is_parallel and is_combined_parallel. (gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable, omp_is_private, omp_check_private): Adjust ctx->is_parallel and ctx->is_combined_parallel checks. (gimplify_omp_task): New function. (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. * omp-low.c (extract_omp_for_data): Use schedule(static) for schedule(auto). Handle pointer and unsigned iterators. Compute fd->iter_type. Handle POINTER_PLUS_EXPR increments. Add loops argument. Extract data for collapsed OMP_FOR loops. (expand_parallel_call): Assert sched_kind isn't auto, map runtime schedule to index 3. (struct omp_for_data_loop): New type. (struct omp_for_data): Remove v, n1, n2, step, cond_code fields. Add loop, loops, collapse and iter_type fields. (workshare_safe_to_combine_p): Disallow combined for if iter_type is unsigned long long. Don't combine collapse > 1 loops unless all bounds and steps are constant. Adjust extract_omp_for_data caller. (expand_omp_for_generic): Handle pointer, unsigned and long long iterators. Handle collapsed OMP_FOR loops. Adjust for struct omp_for_data changes. If libgomp function doesn't return boolean_type_node, add comparison of the return value with 0. (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle pointer, unsigned and long long iterators. Adjust for struct omp_for_data changes. (expand_omp_for): Assert sched_kind isn't auto, map runtime schedule to index 3. Use GOMP_loop_ull*{start,next} if iter_type is unsigned long long. Allocate loops array, pass it to extract_omp_for_data. For collapse > 1 loops use always expand_omp_for_generic. (omp_context): Add sfield_map and srecord_type fields. (is_task_ctx, lookup_sfield): New functions. (use_pointer_for_field): Use is_task_ctx helper. Change first argument's type from const_tree to tree. Clarify comment. In OMP_TASK disallow copy-in/out sharing. (build_sender_ref): Call lookup_sfield instead of lookup_field. (install_var_field): Add mask argument. Populate both record_type and srecord_type if needed. (delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN in srecord_type. (fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT} and DECL_FIELD_OFFSET. (scan_sharing_clauses): Adjust install_var_field callers. For firstprivate clauses on explicit tasks allocate the var by value in record_type unconditionally, rather than by reference. Handle OMP_CLAUSE_PRIVATE_OUTER_REF. Scan OMP_CLAUSE_LASTPRIVATE_STMT. Use is_taskreg_ctx instead of is_parallel_ctx. Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. (create_omp_child_function_name): Add task_copy argument, use *_omp_cpyfn* names if it is true. (create_omp_child_function): Add task_copy argument, if true create *_omp_cpyfn* helper function. (scan_omp_parallel): Adjust create_omp_child_function callers. Rename parallel_nesting_level to taskreg_nesting_level. (scan_omp_task): New function. (lower_rec_input_clauses): Don't run constructors for firstprivate explicit task vars which are initialized by *_omp_cpyfn*. Pass outer var ref to omp_clause_default_ctor hook if OMP_CLAUSE_PRIVATE_OUTER_REF or OMP_CLAUSE_LASTPRIVATE. Replace OMP_CLAUSE_REDUCTION_PLACEHOLDER decls in OMP_CLAUSE_REDUCTION_INIT. (lower_send_clauses): Clear DECL_ABSTRACT_ORIGIN if in task to avoid duplicate setting of fields. Handle OMP_CLAUSE_PRIVATE_OUTER_REF. (lower_send_shared_vars): Use srecord_type if non-NULL. Don't copy-out if TREE_READONLY, only copy-in. (expand_task_copyfn): New function. (expand_task_call): New function. (struct omp_taskcopy_context): New type. (task_copyfn_copy_decl, task_copyfn_remap_type, create_task_copyfn): New functions. (lower_omp_parallel): Rename to... (lower_omp_taskreg): ... this. Use OMP_TASKREG_* macros where needed. Call create_task_copyfn if srecord_type is needed. Adjust sender_decl type. (task_shared_vars): New variable. (check_omp_nesting_restrictions): Warn if work-sharing, barrier, master or ordered region is closely nested inside OMP_TASK. Add warnings for barrier if closely nested inside of work-sharing, ordered, or master region. (scan_omp_1): Call check_omp_nesting_restrictions even for GOMP_barrier calls. Rename parallel_nesting_level to taskreg_nesting_level. Handle OMP_TASK. (lower_lastprivate_clauses): Even if some lastprivate is found on a work-sharing construct, continue looking for them on parent parallel construct. (lower_omp_for_lastprivate): Add lastprivate clauses to the beginning of dlist rather than end. Adjust for struct omp_for_data changes. (lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY, not after it. Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller. (get_ws_args_for): Adjust extract_omp_for_data caller. (scan_omp_for): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. (lower_omp_single_simple): If libgomp function doesn't return boolean_type_node, add comparison of the return value with 0. (diagnose_sb_1, diagnose_sb_2): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. Handle OMP_TASK. (parallel_nesting_level): Rename to... (taskreg_nesting_level): ... this. (is_taskreg_ctx): New function. (build_outer_var_ref, omp_copy_decl): Use is_taskreg_ctx instead of is_parallel_ctx. (execute_lower_omp): Rename parallel_nesting_level to taskreg_nesting_level. (expand_omp_parallel): Rename to... (expand_omp_taskreg): ... this. Use OMP_TASKREG_* macros where needed. Call omp_task_call for OMP_TASK regions. (expand_omp): Adjust caller, handle OMP_TASK. (lower_omp_1): Adjust lower_omp_taskreg caller, handle OMP_TASK. * bitmap.c (bitmap_default_obstack_depth): New variable. (bitmap_obstack_initialize, bitmap_obstack_release): Do nothing if argument is NULL and bitmap_default_obstack is already initialized. * ipa-struct-reorg.c (do_reorg_1): Call bitmap_obstack_release at the end. * matrix-reorg.c (matrix_reorg): Likewise. cp/ * cp-tree.h (cxx_omp_finish_clause, cxx_omp_create_clause_info, dependent_omp_for_p, begin_omp_task, finish_omp_task, finish_omp_taskwait): New prototypes. (cxx_omp_clause_default_ctor): Add outer argument. (finish_omp_for): Add new clauses argument. * cp-gimplify.c (cxx_omp_finish_clause): New function. (cxx_omp_predetermined_sharing): Moved from semantics.c, rewritten. (cxx_omp_clause_default_ctor): Add outer argument. (cp_genericize_r): Walk OMP_CLAUSE_LASTPRIVATE_STMT. * cp-objcp-common.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define. * parser.c (cp_parser_omp_for_loop): Parse collapsed for loops. Add par_clauses argument. If decl is present in parallel's lastprivate clause, change that clause to shared and add a lastprivate clause for decl to OMP_FOR_CLAUSES. Fix wording of error messages. Adjust finish_omp_for caller. Add clauses argument. Parse loops with random access iterators. (cp_parser_omp_clause_collapse, cp_parser_omp_clause_untied): New functions. (cp_parser_omp_for, cp_parser_omp_parallel): Adjust cp_parser_omp_for_loop callers. (cp_parser_omp_for_cond, cp_parser_omp_for_incr): New helper functions. (cp_parser_omp_clause_name): Handle collapse and untied clauses. (cp_parser_omp_clause_schedule): Handle auto schedule. (cp_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE and PRAGMA_OMP_CLAUSE_UNTIED. (OMP_FOR_CLAUSE_MASK): Add PRAGMA_OMP_CLAUSE_COLLAPSE. (OMP_TASK_CLAUSE_MASK): Define. (cp_parser_omp_task, cp_parser_omp_taskwait): New functions. (cp_parser_omp_construct): Handle PRAGMA_OMP_TASK. (cp_parser_pragma): Handle PRAGMA_OMP_TASK and PRAGMA_OMP_TASKWAIT. * pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Handle OMP_CLAUSE_LASTPRIVATE_STMT. (tsubst_omp_for_iterator): New function. (dependent_omp_for_p): New function. (tsubst_expr) <case OMP_FOR>: Use it. Handle collapsed OMP_FOR loops. Adjust finish_omp_for caller. Handle loops with random access iterators. Adjust for OMP_FOR_{INIT,COND,INCR} changes. (tsubst_expr): Handle OMP_TASK. * semantics.c (cxx_omp_create_clause_info): New function. (finish_omp_clauses): Call it. Handle OMP_CLAUSE_UNTIED and OMP_CLAUSE_COLLAPSE. (cxx_omp_predetermined_sharing): Removed. * semantics.c (finish_omp_for): Allow pointer iterators. Use handle_omp_for_class_iterator and dependent_omp_for_p. Handle collapsed for loops. Adjust c_finish_omp_for caller. Add new clauses argument. Fix check for type dependent cond or incr. Set OMP_FOR_CLAUSES to clauses. Use cp_convert instead of fold_convert to convert incr amount to difference_type. Only fold if not in template. If decl is mentioned in lastprivate clause, set OMP_CLAUSE_LASTPRIVATE_STMT. Handle loops with random access iterators. Adjust for OMP_FOR_{INIT,COND,INCR} changes. (finish_omp_threadprivate): Allow static class members of the current class. (handle_omp_for_class_iterator, begin_omp_task, finish_omp_task, finish_omp_taskwait): New functions. * parser.c (cp_parser_binary_expression): Add prec argument. (cp_parser_assignment_expression): Adjust caller. * cp-tree.h (outer_curly_brace_block): New prototype. * decl.c (outer_curly_brace_block): No longer static. fortran/ * scanner.c (skip_free_comments, skip_fixed_comments): Handle tabs. * parse.c (next_free): Allow tab after !$omp. (decode_omp_directive): Handle !$omp task, !$omp taskwait and !$omp end task. (case_executable): Add ST_OMP_TASKWAIT. (case_exec_markers): Add ST_OMP_TASK. (gfc_ascii_statement): Handle ST_OMP_TASK, ST_OMP_END_TASK and ST_OMP_TASKWAIT. (parse_omp_structured_block, parse_executable): Handle ST_OMP_TASK. * gfortran.h (gfc_find_sym_in_expr): New prototype. (gfc_statement): Add ST_OMP_TASK, ST_OMP_END_TASK and ST_OMP_TASKWAIT. (gfc_omp_clauses): Add OMP_SCHED_AUTO to sched_kind, OMP_DEFAULT_FIRSTPRIVATE to default_sharing. Add collapse and untied fields. (gfc_exec_op): Add EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * f95-lang.c (LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, LANG_HOOKS_OMP_CLAUSE_DTOR, LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define. * trans.h (gfc_omp_clause_default_ctor): Add another argument. (gfc_omp_clause_copy_ctor, gfc_omp_clause_assign_op, gfc_omp_clause_dtor, gfc_omp_private_outer_ref): New prototypes. * types.def (BT_ULONGLONG, BT_PTR_ULONGLONG, BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_VOID_PTR_PTR, BT_PTR_FN_VOID_PTR_PTR, BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New. (BT_BOOL): Use integer type with BOOL_TYPE_SIZE rather than boolean_type_node. * dump-parse-tree.c (gfc_show_omp_node): Handle EXEC_OMP_TASK, EXEC_OMP_TASKWAIT, OMP_SCHED_AUTO, OMP_DEFAULT_FIRSTPRIVATE, untied and collapse clauses. (gfc_show_code_node): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * trans.c (gfc_trans_code): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * st.c (gfc_free_statement): Likewise. * resolve.c (gfc_resolve_blocks, resolve_code): Likewise. (find_sym_in_expr): Rename to... (gfc_find_sym_in_expr): ... this. No longer static. (resolve_allocate_expr, resolve_ordinary_assign): Adjust caller. * match.h (gfc_match_omp_task, gfc_match_omp_taskwait): New prototypes. * openmp.c (resolve_omp_clauses): Allow allocatable arrays in firstprivate, lastprivate, reduction, copyprivate and copyin clauses. (omp_current_do_code): Made static. (omp_current_do_collapse): New variable. (gfc_resolve_omp_do_blocks): Compute omp_current_do_collapse, clear omp_current_do_code and omp_current_do_collapse on return. (gfc_resolve_do_iterator): Handle collapsed do loops. (resolve_omp_do): Likewise, diagnose errorneous collapsed do loops. (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): Define. (gfc_match_omp_clauses): Handle default (firstprivate), schedule (auto), untied and collapse (n) clauses. (OMP_DO_CLAUSES): Add OMP_CLAUSE_COLLAPSE. (OMP_TASK_CLAUSES): Define. (gfc_match_omp_task, gfc_match_omp_taskwait): New functions. * trans-openmp.c (gfc_omp_private_outer_ref): New function. (gfc_omp_clause_default_ctor): Add outer argument. For allocatable arrays allocate them with the bounds of the outer var if outer var is allocated. (gfc_omp_clause_copy_ctor, gfc_omp_clause_assign_op, gfc_omp_clause_dtor): New functions. (gfc_trans_omp_array_reduction): If decl is allocatable array, allocate it with outer var's bounds in OMP_CLAUSE_REDUCTION_INIT and deallocate it in OMP_CLAUSE_REDUCTION_MERGE. (gfc_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED for assumed-size arrays. (gfc_trans_omp_do): Add par_clauses argument. If dovar is present in lastprivate clause and do loop isn't simple, set OMP_CLAUSE_LASTPRIVATE_STMT. If dovar is present in parallel's lastprivate clause, change it to shared and add lastprivate clause to OMP_FOR_CLAUSES. Handle collapsed do loops. (gfc_trans_omp_directive): Adjust gfc_trans_omp_do callers. (gfc_trans_omp_parallel_do): Likewise. Move collapse clause to OMP_FOR from OMP_PARALLEL. (gfc_trans_omp_clauses): Handle OMP_SCHED_AUTO, OMP_DEFAULT_FIRSTPRIVATE, untied and collapse clauses. (gfc_trans_omp_task, gfc_trans_omp_taskwait): New functions. (gfc_trans_omp_directive): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. gcc/testsuite/ * gcc.dg/gomp/collapse-1.c: New test. * gcc.dg/gomp/nesting-1.c: New test. * g++.dg/gomp/task-1.C: New test. * g++.dg/gomp/predetermined-1.C: New test. * g++.dg/gomp/tls-4.C: New test. * gfortran.dg/gomp/collapse1.f90: New test. * gfortran.dg/gomp/sharing-3.f90: New test. * gcc.dg/gomp/pr27499.c (foo): Remove is unsigned dg-warning. * g++.dg/gomp/pr27499.C (foo): Likewise. * g++.dg/gomp/for-16.C (foo): Likewise. * g++.dg/gomp/tls-3.C: Remove dg-error, add S::s definition. * g++.dg/gomp/pr34607.C: Adjust dg-error location. * g++.dg/gomp/for-16.C (foo): Add a new dg-error. * gcc.dg/gomp/appendix-a/a.35.4.c: Add dg-warning. * gcc.dg/gomp/appendix-a/a.35.6.c: Likewise. * gfortran.dg/gomp/appendix-a/a.35.4.f90: Likewise. * gfortran.dg/gomp/appendix-a/a.35.6.f90: Likewise. * gfortran.dg/gomp/omp_parse1.f90: Remove !$omp tab test. * gfortran.dg/gomp/appendix-a/a.33.4.f90: Remove dg-error about allocatable array. * gfortran.dg/gomp/reduction1.f90: Likewise. libgomp/ * configure.ac (LIBGOMP_GNU_SYMBOL_VERSIONING): New AC_DEFINE. Substitute also OMP_*LOCK_25*. * configure: Regenerated. * config.h.in: Regenerated. * Makefile.am (libgomp_la_SOURCES): Add loop_ull.c, iter_ull.c, ptrlock.c and task.c. * Makefile.in: Regenerated. * testsuite/Makefile.in: Regenerated. * task.c: New file. * loop_ull.c: New file. * iter_ull.c: New file. * libgomp.h: Include ptrlock.h. (enum gomp_task_kind): New type. (struct gomp_team): Add task_lock, task_queue, task_count, task_running_count, single_count fields. Add work_share_list_free_lock ifndef HAVE_SYNC_BUILTINS. Remove work_share_lock, generation_mask, oldest_live_gen, num_live_gen and init_work_shares fields, add work work_share_list_alloc, work_share_list_free and work_share_chunk fields. Change work_shares from pointer to pointers into an array. Change ordered_release field into gomp_sem_t ** from flexible array member. Add implicit_task and initial_work_shares fields. Move close to the end of the struct. (struct gomp_team_state): Add single_count, last_work_share, active_level and level fields, remove work_share_generation. (gomp_barrier_handle_tasks): New prototype. (gomp_finish_task): New inline function. (struct gomp_work_share): Move chunk_size, end, incr into transparent union/struct, add chunk_size_ull, end_ll, incr_ll and next_ll fields. Reshuffle fields. Add next_alloc, next_ws, next_free and inline_ordered_team_ids fields, change ordered_team_ids into pointer from flexible array member. Add mode field. Put lock and next into a different cache line from most of the write-once fields. (gomp_iter_ull_static_next, gomp_iter_ull_dynamic_next_locked, gomp_iter_ull_guided_next_locked, gomp_iter_ull_dynamic_next, gomp_iter_ull_guided_next): New prototypes. (gomp_new_icv): New prototype. (struct gomp_thread): Add thread_pool and task fields. (struct gomp_thread_pool): New type. (gomp_new_team): New prototype. (gomp_team_start): Change type of last argument. (gomp_new_work_share): Removed. (gomp_init_work_share, gomp_fini_work_share): New prototypes. (gomp_work_share_init_done): New static inline. (gomp_throttled_spin_count_var, gomp_available_cpus, gomp_managed_threads): New extern decls. (gomp_init_task): New prototype. (gomp_spin_count_var): New extern var decl. (LIBGOMP_GNU_SYMBOL_VERSIONING): Undef if no visibility or no alias support, or if not PIC. (gomp_init_lock_30, gomp_destroy_lock_30, gomp_set_lock_30, gomp_unset_lock_30, gomp_test_lock_30, gomp_init_nest_lock_30, gomp_destroy_nest_lock_30, gomp_set_nest_lock_30, gomp_unset_nest_lock_30, gomp_test_nest_lock_30, gomp_init_lock_25, gomp_destroy_lock_25, gomp_set_lock_25, gomp_unset_lock_25, gomp_test_lock_25, gomp_init_nest_lock_25, gomp_destroy_nest_lock_25, gomp_set_nest_lock_25, gomp_unset_nest_lock_25, gomp_test_nest_lock_25): New prototypes. (omp_lock_symver, strong_alias): Define. (gomp_remaining_threads_count, gomp_remaining_threads_lock): New decls. (gomp_end_task): New. (struct gomp_task_icv, gomp_global_icv): New. (gomp_thread_limit_var, gomp_max_active_levels_var): New. (struct gomp_task): New. (gomp_nthreads_var, gomp_dyn_var, gomp_nest_var, gomp_run_sched_var, gomp_run_sched_chunk): Remove. (gomp_icv): New. (gomp_schedule_type): Reorder enum to match omp_sched_t. * team.c (struct gomp_thread_start_data): Add thread_pool and task fields. (gomp_thread_start): Add gomp_team_barrier_wait call. For non-nested case remove clearing of docked thread thr fields. Use pool fields instead of global gomp_* variables. Use gomp_barrier_wait_last when needed. Initialize ts.active_level. Create tasks for each member thread. (free_team): Only destroy team barrier, task_lock here and free it. (gomp_free_thread): Free last_team if non-NULL. (gomp_team_end): Call gomp_team_barrier_wait instead of gomp_barrier_wait. For nested case call one extra gomp_barrier_wait. Move here some destruction from free_team. Call free_team on pool->last_team if any, rather than freeing current team. Destroy work_share_list_free_lock ifndef HAVE_SYNC_BUILTINS. (gomp_new_icv): New function. (gomp_threads, gomp_threads_size, gomp_threads_used, gomp_threads_dock): Removed. (gomp_thread_destructor): New variable. (gomp_new_thread_pool, gomp_free_pool_helper, gomp_free_thread): New functions. (gomp_team_start): Create new pool if current thread doesn't have one. Use pool fields instead of global gomp_* variables. Initialize thread_pool field for new threads. Clear single_count. Change last argument from ws to team, don't create new team, set ts.work_share to &team->work_shares[0] and clear ts.last_work_share. Don't clear ts.work_share_generation. If number of threads changed, adjust atomically gomp_managed_threads. Use gomp_init_task instead of gomp_new_task, set thr->task to the corresponding implicit_task array entry. Create tasks for each member thread. Initialize ts.level. (initialize_team): Call pthread_key_create on gomp_thread_destructor. (team_destructor): New function. (new_team): Removed. (gomp_new_team): New function. (free_team): Free gomp_work_share blocks chained through next_alloc, instead of freeing work_shares and destroying work_share_lock. (gomp_team_end): Call gomp_fini_work_share. If number of threads changed, adjust atomically gomp_managed_threads. Use gomp_end_task. * barrier.c (GOMP_barrier): Call gomp_team_barrier_wait instead of gomp_barrier_wait. * single.c (GOMP_single_copy_start): Call gomp_team_barrier_wait instead of gomp_barrier_wait. Call gomp_work_share_init_done if gomp_work_share_start returned true. Don't unlock ws->lock. (GOMP_single_copy_end): Call gomp_team_barrier_wait instead of gomp_barrier_wait. (GOMP_single_start): Rewritten if HAVE_SYNC_BUILTINS. Call gomp_work_share_init_done if gomp_work_share_start returned true. Don't unlock ws->lock. * work.c: Include stddef.h. (free_work_share): Use work_share_list_free_lock instead of atomic chaining ifndef HAVE_SYNC_BUILTINS. Add team argument. Call gomp_fini_work_share and then either free ws if orphaned, or put it into work_share_list_free list of the current team. (alloc_work_share, gomp_init_work_share, gomp_fini_work_share): New functions. (gomp_work_share_start, gomp_work_share_end, gomp_work_share_end_nowait): Rewritten. * omp_lib.f90.in Change some tabs to spaces to prevent warnings. (openmp_version): Set to 200805. (omp_sched_kind, omp_sched_static, omp_sched_dynamic, omp_sched_guided, omp_sched_auto): New parameters. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New interfaces. * omp_lib.h.in (openmp_version): Set to 200805. (omp_sched_kind, omp_sched_static, omp_sched_dynamic, omp_sched_guided, omp_sched_auto): New parameters. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New externals. * loop.c: Include limits.h. (GOMP_loop_runtime_next, GOMP_loop_ordered_runtime_next): Handle GFS_AUTO. (GOMP_loop_runtime_start, GOMP_loop_ordered_runtime_start): Likewise. Use gomp_icv. (gomp_loop_static_start, gomp_loop_dynamic_start): Clear ts.static_trip here. (gomp_loop_static_start, gomp_loop_ordered_static_start): Call gomp_work_share_init_done after gomp_loop_init. Don't unlock ws->lock. (gomp_loop_dynamic_start, gomp_loop_guided_start): Call gomp_work_share_init_done after gomp_loop_init. If HAVE_SYNC_BUILTINS, don't unlock ws->lock, otherwise lock it. (gomp_loop_ordered_dynamic_start, gomp_loop_ordered_guided_start): Call gomp_work_share_init_done after gomp_loop_init. Lock ws->lock. (gomp_parallel_loop_start): Call gomp_new_team instead of gomp_new_work_share. Call gomp_loop_init on &team->work_shares[0]. Adjust gomp_team_start caller. Pass 0 as second argument to gomp_resolve_num_threads. (gomp_loop_init): For GFS_DYNAMIC, multiply ws->chunk_size by incr. If adding ws->chunk_size nthreads + 1 times after end won't overflow, set ws->mode to 1. * libgomp_g.h (GOMP_loop_ull_static_start, GOMP_loop_ull_dynamic_start, GOMP_loop_ull_guided_start, GOMP_loop_ull_runtime_start, GOMP_loop_ull_ordered_static_start, GOMP_loop_ull_ordered_dynamic_start, GOMP_loop_ull_ordered_guided_start, GOMP_loop_ull_ordered_runtime_start, GOMP_loop_ull_static_next, GOMP_loop_ull_dynamic_next, GOMP_loop_ull_guided_next, GOMP_loop_ull_runtime_next, GOMP_loop_ull_ordered_static_next, GOMP_loop_ull_ordered_dynamic_next, GOMP_loop_ull_ordered_guided_next, GOMP_loop_ull_ordered_runtime_next, GOMP_task, GOMP_taskwait): New prototypes. * libgomp.map: Export lock routines also @@OMP_2.0. (GOMP_loop_ordered_dynamic_first, GOMP_loop_ordered_guided_first, GOMP_loop_ordered_runtime_first, GOMP_loop_ordered_static_first): Remove. (GOMP_loop_ull_dynamic_next, GOMP_loop_ull_dynamic_start, GOMP_loop_ull_guided_next, GOMP_loop_ull_guided_start, GOMP_loop_ull_ordered_dynamic_next, GOMP_loop_ull_ordered_dynamic_start, GOMP_loop_ull_ordered_guided_next, GOMP_loop_ull_ordered_guided_start, GOMP_loop_ull_ordered_runtime_next, GOMP_loop_ull_ordered_runtime_start, GOMP_loop_ull_ordered_static_next, GOMP_loop_ull_ordered_static_start, GOMP_loop_ull_runtime_next, GOMP_loop_ull_runtime_start, GOMP_loop_ull_static_next, GOMP_loop_ull_static_start, GOMP_task, GOMP_taskwait): Export @@GOMP_2.0. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level, omp_set_schedule_, omp_set_schedule_8_, omp_get_schedule_, omp_get_schedule_8_, omp_get_thread_limit_, omp_set_max_active_levels_, omp_set_max_active_levels_8_, omp_get_max_active_levels_, omp_get_level_, omp_get_ancestor_thread_num_, omp_get_ancestor_thread_num_8_, omp_get_team_size_, omp_get_team_size_8_, omp_get_active_level_): New exports @@OMP_3.0. * omp.h.in (omp_sched_t): New type. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New prototypes. * env.c (gomp_spin_count_var, gomp_throttled_spin_count_var, gomp_available_cpus, gomp_managed_threads, gomp_max_active_levels_var, gomp_thread_limit_var, gomp_remaining_threads_count, gomp_remaining_threads_lock): New variables. (parse_spincount): New function. (initialize_env): Call gomp_init_num_threads unconditionally. Initialize gomp_available_cpus. Call parse_spincount, initialize gomp_{,throttled_}spin_count_var depending on presence and value of OMP_WAIT_POLICY and GOMP_SPINCOUNT env vars. Handle GOMP_BLOCKTIME env var. Handle OMP_WAIT_POLICY, OMP_MAX_ACTIVE_LEVELS, OMP_THREAD_LIMIT, OMP_STACKSIZE env vars. Handle unit specification for GOMP_STACKSIZE. Initialize gomp_remaining_threads_count and gomp_remaining_threads_lock if needed. Use gomp_global_icv. (gomp_nthreads_var, gomp_dyn_var, gomp_nest_var, gomp_run_sched_var, gomp_run_sched_chunk): Remove. (gomp_global_icv): New. (parse_schedule): Use it. Parse "auto". (omp_set_num_threads): Use gomp_icv. (omp_set_dynamic, omp_get_dynamic, omp_set_nested, omp_get_nested): Likewise. (omp_get_max_threads): Move from parallel.c. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels): New functions, add ialias. (parse_stacksize, parse_wait_policy): New functions. * fortran.c: Rewrite lock wrappers, if symbol versioning provide both wrappers for compatibility and new locks. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New ialias_redirect. (omp_set_schedule_, omp_set_schedule_8_, omp_get_schedule_, omp_get_schedule_8_, omp_get_thread_limit_, omp_set_max_active_levels_, omp_set_max_active_levels_8_, omp_get_max_active_levels_, omp_get_level_, omp_get_ancestor_thread_num_, omp_get_ancestor_thread_num_8_, omp_get_team_size_, omp_get_team_size_8_, omp_get_active_level_): New functions. * parallel.c: Include limits.h. (gomp_resolve_num_threads): Add count argument. Rewritten. (GOMP_parallel_start): Call gomp_new_team and pass that as last argument to gomp_team_start. Pass 0 as second argument to gomp_resolve_num_threads. (GOMP_parallel_end): Decrease gomp_remaining_threads_count if gomp_thread_limit_var != ULONG_MAX. (omp_in_parallel): Implement using ts.active_level. (omp_get_max_threads): Move to env.c. (omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New functions, add ialias. * sections.c (GOMP_sections_start): Call gomp_work_share_init_done after gomp_sections_init. If HAVE_SYNC_BUILTINS, call gomp_iter_dynamic_next instead of the _locked variant and don't take lock around it, otherwise acquire it before calling gomp_iter_dynamic_next_locked. (GOMP_sections_next): If HAVE_SYNC_BUILTINS, call gomp_iter_dynamic_next instead of the _locked variant and don't take lock around it. (GOMP_parallel_sections_start): Call gomp_new_team instead of gomp_new_work_share. Call gomp_sections_init on &team->work_shares[0]. Adjust gomp_team_start caller. Pass count as second argument to gomp_resolve_num_threads, don't adjust num_threads after the call. Use gomp_icv. * iter.c (gomp_iter_dynamic_next_locked): Don't multiply ws->chunk_size by incr. (gomp_iter_dynamic_next): Likewise. If ws->mode, use more efficient code. * libgomp_f.h.in (omp_lock_25_arg_t, omp_nest_lock_25_arg_t): New types. (omp_lock_25_arg, omp_nest_lock_25_arg): New macros. (omp_check_defines): Check even the compat defines. * config/linux/ptrlock.c: New file. * config/linux/ptrlock.h: New file. * config/linux/wait.h: New file. * config/posix/ptrlock.c: New file. * config/posix/ptrlock.h: New file. * config/linux/bar.h (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New prototypes. (gomp_team_barrier_set_task_pending, gomp_team_barrier_clear_task_pending, gomp_team_barrier_set_waiting_for_tasks, gomp_team_barrier_waiting_for_tasks, gomp_team_barrier_done): New inlines. (gomp_barrier_t): Rewritten. (gomp_barrier_state_t): New typedef. (gomp_barrier_init, gomp_barrier_reinit, gomp_barrier_destroy, gomp_barrier_wait_start): Rewritten. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_barrier_last_thread, gomp_barrier_wait_last): New static inlines. * config/linux/bar.c: Include wait.h instead of libgomp.h and futex.h. (gomp_barrier_wait_end): Rewritten. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake, gomp_barrier_wait_last): New functions. * config/posix/bar.h (gomp_barrier_t): Add generation field. (gomp_barrier_state_t): New typedef. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New prototypes. (gomp_barrier_wait_start): Or all but low 2 bits from generation into the return value. Return gomp_barrier_state_t. (gomp_team_barrier_set_task_pending, gomp_team_barrier_clear_task_pending, gomp_team_barrier_set_waiting_for_tasks, gomp_team_barrier_waiting_for_tasks, gomp_team_barrier_done): New inlines. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_barrier_last_thread, gomp_barrier_wait_last): New static inlines. * config/posix/bar.c (gomp_barrier_init): Clear generation field. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New functions. * config/linux/mutex.c: Include wait.h instead of libgomp.h and futex.h. (gomp_futex_wake, gomp_futex_wait): New variables. (gomp_mutex_lock_slow): Call do_wait instead of futex_wait. * config/linux/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. Include wait.h instead of libgomp.h and futex.h. (gomp_set_nest_lock_25): Call do_wait instead of futex_wait. * config/posix95/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. * config/posix/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. * config/linux/proc.c (gomp_init_num_threads): Use gomp_global_icv. (get_num_procs, gomp_dynamic_max_threads): Use gomp_icv. * config/posix/proc.c, config/mingw32/proc.c: Similarly. * config/linux/powerpc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/alpha/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/x86/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/s390/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/ia64/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/sparc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/sem.c: Include wait.h instead of libgomp.h and futex.h. (gomp_sem_wait_slow): Call do_wait instead of futex_wait. * config/linux/affinity.c: Assume HAVE_SYNC_BUILTINS. * config/linux/omp-lock.h (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_nest_lock_t): Change owner into void *, add lock field. * config/posix95/omp-lock.h: Include semaphore.h. (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_lock_t): Use sem_t instead of mutex if semaphores aren't broken. (omp_nest_lock_t): Likewise. Change owner to void *. * config/posix/omp-lock.h: Include semaphore.h. (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_lock_t): Use sem_t instead of mutex if semaphores aren't broken. (omp_nest_lock_t): Likewise. Add owner field. * testsuite/libgomp.c/collapse-1.c: New test. * testsuite/libgomp.c/collapse-2.c: New test. * testsuite/libgomp.c/collapse-3.c: New test. * testsuite/libgomp.c/icv-1.c: New test. * testsuite/libgomp.c/icv-2.c: New test. * testsuite/libgomp.c/lib-2.c: New test. * testsuite/libgomp.c/lock-1.c: New test. * testsuite/libgomp.c/lock-2.c: New test. * testsuite/libgomp.c/lock-3.c: New test. * testsuite/libgomp.c/loop-4.c: New test. * testsuite/libgomp.c/loop-5.c: New test. * testsuite/libgomp.c/loop-6.c: New test. * testsuite/libgomp.c/loop-7.c: New test. * testsuite/libgomp.c/loop-8.c: New test. * testsuite/libgomp.c/loop-9.c: New test. * testsuite/libgomp.c/nested-3.c: New test. * testsuite/libgomp.c/nestedfn-6.c: New test. * testsuite/libgomp.c/sort-1.c: New test. * testsuite/libgomp.c/task-1.c: New test. * testsuite/libgomp.c/task-2.c: New test. * testsuite/libgomp.c/task-3.c: New test. * testsuite/libgomp.c/task-4.c: New test. * testsuite/libgomp.c++/c++.exp: Add libstdc++-v3 build includes to C++ testsuite default compiler options. * testsuite/libgomp.c++/collapse-1.C: New test. * testsuite/libgomp.c++/collapse-2.C: New test. * testsuite/libgomp.c++/ctor-10.C: New test. * testsuite/libgomp.c++/for-1.C: New test. * testsuite/libgomp.c++/for-2.C: New test. * testsuite/libgomp.c++/for-3.C: New test. * testsuite/libgomp.c++/for-4.C: New test. * testsuite/libgomp.c++/for-5.C: New test. * testsuite/libgomp.c++/loop-8.C: New test. * testsuite/libgomp.c++/loop-9.C: New test. * testsuite/libgomp.c++/loop-10.C: New test. * testsuite/libgomp.c++/task-1.C: New test. * testsuite/libgomp.c++/task-2.C: New test. * testsuite/libgomp.c++/task-3.C: New test. * testsuite/libgomp.c++/task-4.C: New test. * testsuite/libgomp.c++/task-5.C: New test. * testsuite/libgomp.c++/task-6.C: New test. * testsuite/libgomp.fortran/allocatable1.f90: New test. * testsuite/libgomp.fortran/allocatable2.f90: New test. * testsuite/libgomp.fortran/allocatable3.f90: New test. * testsuite/libgomp.fortran/allocatable4.f90: New test. * testsuite/libgomp.fortran/collapse1.f90: New test. * testsuite/libgomp.fortran/collapse2.f90: New test. * testsuite/libgomp.fortran/collapse3.f90: New test. * testsuite/libgomp.fortran/collapse4.f90: New test. * testsuite/libgomp.fortran/lastprivate1.f90: New test. * testsuite/libgomp.fortran/lastprivate2.f90: New test. * testsuite/libgomp.fortran/lib4.f90: New test. * testsuite/libgomp.fortran/lock-1.f90: New test. * testsuite/libgomp.fortran/lock-2.f90: New test. * testsuite/libgomp.fortran/nested1.f90: New test. * testsuite/libgomp.fortran/nestedfn4.f90: New test. * testsuite/libgomp.fortran/strassen.f90: New test. * testsuite/libgomp.fortran/tabs1.f90: New test. * testsuite/libgomp.fortran/tabs2.f: New test. * testsuite/libgomp.fortran/task1.f90: New test. * testsuite/libgomp.fortran/task2.f90: New test. * testsuite/libgomp.fortran/vla4.f90: Add dg-warning. * testsuite/libgomp.fortran/vla5.f90: Likewise. * testsuite/libgomp.c/pr26943-2.c: Likewise. * testsuite/libgomp.c/pr26943-3.c: Likewise. * testsuite/libgomp.c/pr26943-4.c: Likewise. Co-Authored-By: Jakob Blomer <jakob.blomer@ira.uka.de> Co-Authored-By: Richard Henderson <rth@redhat.com> Co-Authored-By: Ulrich Drepper <drepper@redhat.com> From-SVN: r136433
2008-06-06 15:01:54 +02:00
omp_in_parallel (void)
[multiple changes] 2006-01-18 Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * libgomp: New directory. * Makefile.def: Add target_module libgomp. * Makefile.in: Regenerate. * configure.in (target_libraries): Add target-libgomp. * configure: Regenerate. contrib/ 2006-01-18 Richard Henderson <rth@redhat.com> Diego Novillo <dnovillo@redhat.com> * gcc_update (files_and_dependencies): Add libgomp files. gcc/ 2006-01-18 Richard Henderson <rth@redhat.com> Aldy Hernandez <aldyh@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * omp-low.c: New file. * c-omp.c: New file. 2006-01-18 Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * doc/invoke.texi: Document -fopenmp. * tree-dump.h (debug_function): Declare. * hooks.c (hook_bool_tree_bool_false): New function. (hook_tree_tree_null): Remove. (hook_tree_tree_tree_null): New. * hooks.h: Update to match. * tree-pretty-print.c (debug_tree_chain): New. (print_generic_expr): Handle TDF_CHAIN. (dump_generic_node): Handle BLOCK. Do not abort with incomplete SWITCH_EXPRs. Do not dump body of an OpenMP directive if TDF_SLIM is given. <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't print space after directive name. <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY. Handle OMP_MASTER and OMP_ORDERED. Handle printing of OMP_BODY just in one place, goto dump_omp_body in the rest of OMP_* nodes that have OMP_BODY. Don't handle clause nodes here. Update omp statements to use dump_omp_clauses. Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION, OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC, OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF, GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED, GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE, GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE. Adjust output for GOMP_PARALLEL. (dump_omp_clauses): New. (print_declaration): Dump DECL_VALUE_EXPR. (op_symbol_1): Split out of op_symbol. (dumping_stmts): Remove. Update all users. * cgraph.c (cgraph_analyze_queue): New. (cgraph_add_new_function): New. * cgraph.h (cgraph_analyze_queue): Declare. (cgraph_add_new_function): Declare. (cgraph_lower_function): Remove. * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_* nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS and TYPE_P nodes in its default clause. (empty_body_p): New. (tree_range_check_failed): New. (build5_stat): New. * tree.h (OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE, OMP_CLAUSE_REDUCTION_PLACEHOLDER, OMP_CLAUSE_PRIVATE_DEBUG, OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY, OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY, OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND, OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL, OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR, OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT, OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT, OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC, OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST, OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY, OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY, OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New. (TREE_RANGE_CHECK): New. (empty_body_p): Declare. (enum omp_clause_default_kind): New. (build_string_literal): Declare. (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New. (build5_stat, build5): Declare. * tree-pass.h (TDF_CHAIN): Define. * tree-pass.h (PROP_gimple_lomp): Define. (pass_lower_omp): Declare. * diagnostic.h (debug_tree_chain): Declare. * builtins.c (get_builtin_sync_mode): Use 0 as last argument to mode_for_size. (expand_builtin): Handle sync BUILT_IN_*_16 builtins. * builtins.c (build_string_literal): Make extern. * gcc.c (include_spec_function): New. (static_spec_functions): Add it. (main): Move load of libgomp.spec ... (LINK_COMMAND_SPEC): ... here. (link_gomp_spec): New. (static_specs): Include it. (LINK_COMMAND_SPEC): Add link_gomp. (GOMP_SELF_SPECS): New. (driver_self_specs): Include it. (switch_matches): Don't mark inline. (main): Load libgomp.spec. * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION, and OMP_SINGLE, OMP_FOR and OMP_PARALLEL. * tree-gimple.h (enum omp_parallel): Declare. (determine_parallel_type): Declare. (omp_firstprivatize_variable): Declare. (omp_reduction_init): Declare. (diagnose_omp_structured_block_errors): Declare. (struct walk_stmt_info): Add want_return_expr. (struct walk_stmt_info): Add want_bind_expr, want_locations. (find_omp_clause): Declare. (insert_field_into_struct): Declare. (struct walk_stmt_info): Move from tree-nested.c (walk_stmts): Declare. * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP to 200505. * cgraphunit.c (cgraph_lower_function): Make static. (cgraph_finalize_pending_functions): New. (cgraph_finalize_function): Call it. (cgraph_finalize_compilation_unit): Likewise. * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16, BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add. (BT_FN_UINT_UINT): New. (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7, DEF_FUNCTION_TYPE_VAR_4): Document. (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT, BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR, BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT, BT_FN_VOID_OMPFN_PTR_UINT_UINT, BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR, BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New. * builtins.def: Update DEF_BUILTIN comment to include COND argument. Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins into separate files. (DEF_GOMP_BUILTIN): New. (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER, BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END, BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END, BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START, BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START, BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START, BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START, BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START, BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT, 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_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT, BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END, BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END, BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT, BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END, BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START, BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New. * sync-builtins.def: New file, moved from builtins.def. * omp-builtins.def: New file, moved from builtins.def. * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine. * gimple-low.c (lower_function_body): Clear data. (lower_stmt): Do not handle COMPOUND_EXPR. Remove call to print_node_brief. * c-tree.h (c_finish_omp_clauses): New prototype. (C_DECL_THREADPRIVATE_P): Define. (lookup_name_no_remap, c_omp_remap_private): Remove (c_begin_omp_parallel, c_finish_omp_parallel): Update. (check_for_loop_decls): Update decl. (lookup_name_no_remap, c_omp_remap_private): Declare. (build_indirect_ref, build_modify_expr, pushdecl, pushdecl_top_level): Move to c-common.h. * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp before the switch, but just in the 2 places that need it. * c-decl.c (diagnose_mismatched_decls): Do not check for mismatched thread-local attributes when OLDDECL is marked threadprivate and NEWDECL has no thread-local attributes. (merge_decls): Merge C_DECL_THREADPRIVATE_P. (c_gimple_diagnostics_recursively): Rename from c_warn_unused_result_recursively. Invoke diagnose_omp_structured_block_errors. (check_for_loop_decls): Return a singular decl found. * langhooks.c (lhd_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls. (lhd_omp_firstprivatize_type_sizes): New. (lhd_omp_assignment): New. (lhd_omp_predetermined_sharing): New. * langhooks.h (struct gimplify_omp_ctx): Forward declare. (struct lang_hooks_for_types): Add omp_firstprivatize_type_sizes, omp_privatize_by_reference, omp_predetermined_sharing, omp_disregard_value_expr, omp_private_debug_clause, omp_clause_default_ctor, omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor. (c_finish_omp_clauses): New. (c_finish_bc_stmt): Diagnose break within omp for. (c_begin_omp_parallel, c_finish_omp_parallel): New. (build_unary_op): Return error_mark after reporting a readonly_error. (build_modify_expr): Likewise. * gimplify.c: Include optabs.h and pointer-set.h. (enum gimplify_omp_var_data): Declare. (struct gimplify_omp_ctx): Declare. (struct gimplify_ctx): Add fields prev_context, combined_pre_p and combined_ctxp. (gimplify_ctxp, gimplify_omp_ctxp): New local variables. (push_gimplify_context, pop_gimplify_context): Allow nesting. (splay_tree_compare_decl_uid): New. (new_omp_context): New. (delete_omp_context): New. (gimple_add_tmp_var): Call omp_add_variable. (gimplify_bind_expr): Likewise. (gimplify_var_or_parm_decl): If omp_notice_variable returned true, disregard DECL_VALUE_EXPR on the decl if any. (gimplify_expr_in_ctx): New. (omp_firstprivatize_variable, omp_firstprivatize_type_sizes omp_add_variable, omp_notice_variable, omp_is_private gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1 gimplify_adjust_omp_clauses, gimplify_omp_parallel gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p gimplify_omp_atomic_fetch_op, goa_stabilize_expr gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex gimplify_omp_atomic): New. (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS, OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL and OMP_ATOMIC. (gimplify_body): Verify gimplify_ctxp is empty after gimplification. * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER, PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR, PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED, PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR, PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION, PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE, PRAGMA_OMP_THREADPRIVATE. * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS, OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define. * print-tree.c (print_node): Dump DECL_VALUE_EXPR. * tree-ssa-dce.c (find_control_dependence): Do not assume that ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR). * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for OpenMP directives. (struct nesting_info): Add field_map, suppress_expansion, debug_var_chain. (create_nesting_tree): Initialize them. (lookup_field_for_decl): Use field_map. (get_nonlocal_debug_decl, get_local_debug_decl): New. (convert_local_omp_clauses): New. (finalize_nesting_tree_1): Add debug_var_chain to toplevel block. (walk_body): Split out of walk_function. (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New. (convert_nonlocal_reference): Handle omp statements. (convert_local_reference): Likewise. (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1. (unnest_nesting_tree): New. (lower_nested_functions): Call it. (insert_field_into_struct): Make extern. (struct walk_stmt_info): Move to tree-gimple.h. (walk_stmts): Make extern. * omp-builtins.def: New file. * tree-iterator.c (expr_only): Clarify comment. * c-common.h (pushdecl_top_level, pushdecl, build_modify_expr, build_indirect_ref, c_finish_omp_master, c_finish_omp_critical, c_finish_omp_ordered, c_finish_omp_barrier, c_finish_omp_atomic, c_finish_omp_flush, c_finish_omp_for, c_split_parallel_clauses, omp_clause_default_kind, c_omp_sharing_predetermined, c_omp_remap_decl): Declare. * Makefile.in (BUILTINS_DEF): Add omp-builtins.def. (OBJS-common): Add omp-low.o. (c-omp.o, omp-low.o): Add. (gimplify.o): Add dependency on $(OPTABS_H). (GTFILES): Add omp-low.c. (gt-stringpool.h): Add. * tree-cfg.c (set_bb_for_stmt): Do not update the block-to-labels map if we are currently expanding to RTL. (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P checks. Handle IDENTIFIER_NODE. (tree_verify_flow_info): Do not ICE when emitting error messages about invalid labels. (dump_function_to_file): Reset CFUN before emitting the body of the function. (debug_function): New. * passes.c (init_optimization_passes): Schedule pass_lower_omp. * langhooks-def.h (lhd_omp_predetermined_sharing, lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes): Declare. (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define. (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it. (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE, LANG_HOOKS_OMP_PREDETERMINED_SHARING, LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR, LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE, LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR, LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, LANG_HOOKS_OMP_CLAUSE_DTOR): Define. (LANG_HOOK_DECLS): Use them. 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com> Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * c-parser.c (pragma_omp_clause): Define. (c_parser_declaration_or_fndef): Document OpenMP syntax. (c_parser_compound_statement): Likewise. (c_parser_statement): Likewise. (c_parser_pragma): Handle omp pragmas. (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK, OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define. (c_parser_omp_clause_name, check_no_duplicate_clause, c_parser_omp_variable_list, c_parser_omp_var_list_parens, c_parser_omp_clause_copyin, c_parser_omp_clause_copyprivate, c_parser_omp_clause_default, c_parser_omp_clause_firstprivate, c_parser_omp_clause_if, c_parser_omp_clause_lastprivate, c_parser_omp_clause_nowait, c_parser_omp_clause_num_threads, c_parser_omp_clause_ordered, c_parser_omp_clause_private, c_parser_omp_clause_reduction, c_parser_omp_clause_schedule, c_parser_omp_clause_shared, c_parser_omp_all_clauses, c_parser_omp_structured_block, c_parser_omp_atomic, c_parser_omp_barrier, c_parser_omp_critical, c_parser_omp_flush, c_parser_omp_for_loop, c_parser_omp_for, c_parser_omp_master, c_parser_omp_ordered, c_parser_omp_sections_scope, c_parser_omp_sections, c_parser_omp_parallel, c_parser_omp_single, c_parser_omp_construct, c_parser_omp_threadprivate): New. * c-pragma.c (init_pragma): Do omp pragma registration here. * c.opt (fopenmp): New flag. 2006-01-18 Eric Christopher <echristo@apple.com> * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif. * config/darwin.h (GOMP_SELF_SPECS): Define. testsuite/ 2006-01-18 Richard Henderson <rth@redhat.com> Aldy Hernandez <aldyh@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> Uros Bizjak <uros@kss-loka.si> * testsuite/gcc.dg/gomp: New directory. From-SVN: r109902
2006-01-18 20:21:25 +01:00
{
c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805. * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805. * langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause. Add omp_private_outer_ref hook, add another argument to omp_clause_default_ctor hook. * langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define. (LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define. (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to hook_tree_tree_tree_tree_null. (LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and LANG_HOOKS_OMP_PRIVATE_OUTER_REF. * hooks.c (hook_tree_tree_tree_tree_null): New function. * hooks.h (hook_tree_tree_tree_tree_null): New prototype. * tree.def (OMP_TASK): New tree code. * tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN, OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT, OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES, OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY, OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG, OMP_CLAUSE_COLLAPSE_EXPR): Define. (enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. (OMP_DIRECTIVE_P): Add OMP_TASK. (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes. (OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind. * tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED entries. (omp_clause_num_ops): Likewise. Increase OMP_CLAUSE_LASTPRIVATE num_ops to 2. (walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Walk OMP_CLAUSE_LASTPRIVATE_STMT. * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. (dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops. * c-omp.c (c_finish_omp_for): Allow pointer iterators. Remove warning about unsigned iterators. Change decl/init/cond/incr arguments to TREE_VECs, check arguments for all collapsed loops. (c_finish_omp_taskwait): New function. (c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to ws_clauses. * c-parser.c (c_parser_omp_for_loop): Parse collapsed loops. Call default_function_array_conversion on init. Add par_clauses argument. If decl is present in parallel's lastprivate clause, change it to shared and add lastprivate clause for decl to OMP_FOR_CLAUSES. Add clauses argument, on success set OMP_FOR_CLAUSES to it. Look up collapse count in clauses. (c_parser_omp_for, c_parser_omp_parallel): Adjust c_parser_omp_for_loop callers. (OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE. (c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT. (c_parser_omp_clause_name): Handle collapse and untied clauses. (c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New functions. (c_parser_omp_clause_schedule): Handle schedule(auto). Include correct location in the error message. (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE and PRAGMA_OMP_CLAUSE_UNTIED. (OMP_TASK_CLAUSE_MASK): Define. (c_parser_omp_task, c_parser_omp_taskwait): New functions. (c_parser_omp_construct): Handle PRAGMA_OMP_TASK. * tree-nested.c (convert_nonlocal_omp_clauses, convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE, OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in OMP_CLAUSE_DECL. (conver_nonlocal_reference, convert_local_reference, convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL. Use OMP_TASKREG_* macros rather than OMP_PARALLEL_*. (walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes. * tree-gimple.c (is_gimple_stmt): Handle OMP_TASK. * c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes. * c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New. (PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New. * c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions. (c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. * c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas. * c-common.h (c_finish_omp_taskwait): New prototype. * gimple-low.c (lower_stmt): Handle OMP_TASK. * tree-parloops.c (create_parallel_loop): Create 1 entry vectors for OMP_FOR_{INIT,COND,INCR}. * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers. (make_edges): Handle OMP_TASK. * tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. * tree-inline.c (estimate_num_insns_1): Handle OMP_TASK. * builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR, BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New. * omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT, BUILT_IN_GOMP_LOOP_ULL_STATIC_START, BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ULL_GUIDED_START, BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins. * gimplify.c (gimplify_omp_for): Allow pointer type for decl, handle POINTER_PLUS_EXPR. If loop counter has been replaced and original iterator is present in lastprivate clause or if collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT. Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. (gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK. (enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF. (omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed, if it is set, lookup var in outer contexts too. Handle OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. Handle vars that are supposed to be implicitly determined firstprivate for task regions. (gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed, if it is set, lookup var in outer contexts too. Set OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set. Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Take region_type as last argument instead of in_parallel and in_combined_parallel. (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare): Adjust callers. (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set. Call omp_finish_clause langhook. (new_omp_context): Set default_kind to OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions. (omp_region_type): New enum. (struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel fields, add region_type. (new_omp_context): Take region_type as argument instead of is_parallel and is_combined_parallel. (gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable, omp_is_private, omp_check_private): Adjust ctx->is_parallel and ctx->is_combined_parallel checks. (gimplify_omp_task): New function. (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. * omp-low.c (extract_omp_for_data): Use schedule(static) for schedule(auto). Handle pointer and unsigned iterators. Compute fd->iter_type. Handle POINTER_PLUS_EXPR increments. Add loops argument. Extract data for collapsed OMP_FOR loops. (expand_parallel_call): Assert sched_kind isn't auto, map runtime schedule to index 3. (struct omp_for_data_loop): New type. (struct omp_for_data): Remove v, n1, n2, step, cond_code fields. Add loop, loops, collapse and iter_type fields. (workshare_safe_to_combine_p): Disallow combined for if iter_type is unsigned long long. Don't combine collapse > 1 loops unless all bounds and steps are constant. Adjust extract_omp_for_data caller. (expand_omp_for_generic): Handle pointer, unsigned and long long iterators. Handle collapsed OMP_FOR loops. Adjust for struct omp_for_data changes. If libgomp function doesn't return boolean_type_node, add comparison of the return value with 0. (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle pointer, unsigned and long long iterators. Adjust for struct omp_for_data changes. (expand_omp_for): Assert sched_kind isn't auto, map runtime schedule to index 3. Use GOMP_loop_ull*{start,next} if iter_type is unsigned long long. Allocate loops array, pass it to extract_omp_for_data. For collapse > 1 loops use always expand_omp_for_generic. (omp_context): Add sfield_map and srecord_type fields. (is_task_ctx, lookup_sfield): New functions. (use_pointer_for_field): Use is_task_ctx helper. Change first argument's type from const_tree to tree. Clarify comment. In OMP_TASK disallow copy-in/out sharing. (build_sender_ref): Call lookup_sfield instead of lookup_field. (install_var_field): Add mask argument. Populate both record_type and srecord_type if needed. (delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN in srecord_type. (fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT} and DECL_FIELD_OFFSET. (scan_sharing_clauses): Adjust install_var_field callers. For firstprivate clauses on explicit tasks allocate the var by value in record_type unconditionally, rather than by reference. Handle OMP_CLAUSE_PRIVATE_OUTER_REF. Scan OMP_CLAUSE_LASTPRIVATE_STMT. Use is_taskreg_ctx instead of is_parallel_ctx. Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. (create_omp_child_function_name): Add task_copy argument, use *_omp_cpyfn* names if it is true. (create_omp_child_function): Add task_copy argument, if true create *_omp_cpyfn* helper function. (scan_omp_parallel): Adjust create_omp_child_function callers. Rename parallel_nesting_level to taskreg_nesting_level. (scan_omp_task): New function. (lower_rec_input_clauses): Don't run constructors for firstprivate explicit task vars which are initialized by *_omp_cpyfn*. Pass outer var ref to omp_clause_default_ctor hook if OMP_CLAUSE_PRIVATE_OUTER_REF or OMP_CLAUSE_LASTPRIVATE. Replace OMP_CLAUSE_REDUCTION_PLACEHOLDER decls in OMP_CLAUSE_REDUCTION_INIT. (lower_send_clauses): Clear DECL_ABSTRACT_ORIGIN if in task to avoid duplicate setting of fields. Handle OMP_CLAUSE_PRIVATE_OUTER_REF. (lower_send_shared_vars): Use srecord_type if non-NULL. Don't copy-out if TREE_READONLY, only copy-in. (expand_task_copyfn): New function. (expand_task_call): New function. (struct omp_taskcopy_context): New type. (task_copyfn_copy_decl, task_copyfn_remap_type, create_task_copyfn): New functions. (lower_omp_parallel): Rename to... (lower_omp_taskreg): ... this. Use OMP_TASKREG_* macros where needed. Call create_task_copyfn if srecord_type is needed. Adjust sender_decl type. (task_shared_vars): New variable. (check_omp_nesting_restrictions): Warn if work-sharing, barrier, master or ordered region is closely nested inside OMP_TASK. Add warnings for barrier if closely nested inside of work-sharing, ordered, or master region. (scan_omp_1): Call check_omp_nesting_restrictions even for GOMP_barrier calls. Rename parallel_nesting_level to taskreg_nesting_level. Handle OMP_TASK. (lower_lastprivate_clauses): Even if some lastprivate is found on a work-sharing construct, continue looking for them on parent parallel construct. (lower_omp_for_lastprivate): Add lastprivate clauses to the beginning of dlist rather than end. Adjust for struct omp_for_data changes. (lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY, not after it. Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller. (get_ws_args_for): Adjust extract_omp_for_data caller. (scan_omp_for): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. (lower_omp_single_simple): If libgomp function doesn't return boolean_type_node, add comparison of the return value with 0. (diagnose_sb_1, diagnose_sb_2): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. Handle OMP_TASK. (parallel_nesting_level): Rename to... (taskreg_nesting_level): ... this. (is_taskreg_ctx): New function. (build_outer_var_ref, omp_copy_decl): Use is_taskreg_ctx instead of is_parallel_ctx. (execute_lower_omp): Rename parallel_nesting_level to taskreg_nesting_level. (expand_omp_parallel): Rename to... (expand_omp_taskreg): ... this. Use OMP_TASKREG_* macros where needed. Call omp_task_call for OMP_TASK regions. (expand_omp): Adjust caller, handle OMP_TASK. (lower_omp_1): Adjust lower_omp_taskreg caller, handle OMP_TASK. * bitmap.c (bitmap_default_obstack_depth): New variable. (bitmap_obstack_initialize, bitmap_obstack_release): Do nothing if argument is NULL and bitmap_default_obstack is already initialized. * ipa-struct-reorg.c (do_reorg_1): Call bitmap_obstack_release at the end. * matrix-reorg.c (matrix_reorg): Likewise. cp/ * cp-tree.h (cxx_omp_finish_clause, cxx_omp_create_clause_info, dependent_omp_for_p, begin_omp_task, finish_omp_task, finish_omp_taskwait): New prototypes. (cxx_omp_clause_default_ctor): Add outer argument. (finish_omp_for): Add new clauses argument. * cp-gimplify.c (cxx_omp_finish_clause): New function. (cxx_omp_predetermined_sharing): Moved from semantics.c, rewritten. (cxx_omp_clause_default_ctor): Add outer argument. (cp_genericize_r): Walk OMP_CLAUSE_LASTPRIVATE_STMT. * cp-objcp-common.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define. * parser.c (cp_parser_omp_for_loop): Parse collapsed for loops. Add par_clauses argument. If decl is present in parallel's lastprivate clause, change that clause to shared and add a lastprivate clause for decl to OMP_FOR_CLAUSES. Fix wording of error messages. Adjust finish_omp_for caller. Add clauses argument. Parse loops with random access iterators. (cp_parser_omp_clause_collapse, cp_parser_omp_clause_untied): New functions. (cp_parser_omp_for, cp_parser_omp_parallel): Adjust cp_parser_omp_for_loop callers. (cp_parser_omp_for_cond, cp_parser_omp_for_incr): New helper functions. (cp_parser_omp_clause_name): Handle collapse and untied clauses. (cp_parser_omp_clause_schedule): Handle auto schedule. (cp_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE and PRAGMA_OMP_CLAUSE_UNTIED. (OMP_FOR_CLAUSE_MASK): Add PRAGMA_OMP_CLAUSE_COLLAPSE. (OMP_TASK_CLAUSE_MASK): Define. (cp_parser_omp_task, cp_parser_omp_taskwait): New functions. (cp_parser_omp_construct): Handle PRAGMA_OMP_TASK. (cp_parser_pragma): Handle PRAGMA_OMP_TASK and PRAGMA_OMP_TASKWAIT. * pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Handle OMP_CLAUSE_LASTPRIVATE_STMT. (tsubst_omp_for_iterator): New function. (dependent_omp_for_p): New function. (tsubst_expr) <case OMP_FOR>: Use it. Handle collapsed OMP_FOR loops. Adjust finish_omp_for caller. Handle loops with random access iterators. Adjust for OMP_FOR_{INIT,COND,INCR} changes. (tsubst_expr): Handle OMP_TASK. * semantics.c (cxx_omp_create_clause_info): New function. (finish_omp_clauses): Call it. Handle OMP_CLAUSE_UNTIED and OMP_CLAUSE_COLLAPSE. (cxx_omp_predetermined_sharing): Removed. * semantics.c (finish_omp_for): Allow pointer iterators. Use handle_omp_for_class_iterator and dependent_omp_for_p. Handle collapsed for loops. Adjust c_finish_omp_for caller. Add new clauses argument. Fix check for type dependent cond or incr. Set OMP_FOR_CLAUSES to clauses. Use cp_convert instead of fold_convert to convert incr amount to difference_type. Only fold if not in template. If decl is mentioned in lastprivate clause, set OMP_CLAUSE_LASTPRIVATE_STMT. Handle loops with random access iterators. Adjust for OMP_FOR_{INIT,COND,INCR} changes. (finish_omp_threadprivate): Allow static class members of the current class. (handle_omp_for_class_iterator, begin_omp_task, finish_omp_task, finish_omp_taskwait): New functions. * parser.c (cp_parser_binary_expression): Add prec argument. (cp_parser_assignment_expression): Adjust caller. * cp-tree.h (outer_curly_brace_block): New prototype. * decl.c (outer_curly_brace_block): No longer static. fortran/ * scanner.c (skip_free_comments, skip_fixed_comments): Handle tabs. * parse.c (next_free): Allow tab after !$omp. (decode_omp_directive): Handle !$omp task, !$omp taskwait and !$omp end task. (case_executable): Add ST_OMP_TASKWAIT. (case_exec_markers): Add ST_OMP_TASK. (gfc_ascii_statement): Handle ST_OMP_TASK, ST_OMP_END_TASK and ST_OMP_TASKWAIT. (parse_omp_structured_block, parse_executable): Handle ST_OMP_TASK. * gfortran.h (gfc_find_sym_in_expr): New prototype. (gfc_statement): Add ST_OMP_TASK, ST_OMP_END_TASK and ST_OMP_TASKWAIT. (gfc_omp_clauses): Add OMP_SCHED_AUTO to sched_kind, OMP_DEFAULT_FIRSTPRIVATE to default_sharing. Add collapse and untied fields. (gfc_exec_op): Add EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * f95-lang.c (LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, LANG_HOOKS_OMP_CLAUSE_DTOR, LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define. * trans.h (gfc_omp_clause_default_ctor): Add another argument. (gfc_omp_clause_copy_ctor, gfc_omp_clause_assign_op, gfc_omp_clause_dtor, gfc_omp_private_outer_ref): New prototypes. * types.def (BT_ULONGLONG, BT_PTR_ULONGLONG, BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_VOID_PTR_PTR, BT_PTR_FN_VOID_PTR_PTR, BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New. (BT_BOOL): Use integer type with BOOL_TYPE_SIZE rather than boolean_type_node. * dump-parse-tree.c (gfc_show_omp_node): Handle EXEC_OMP_TASK, EXEC_OMP_TASKWAIT, OMP_SCHED_AUTO, OMP_DEFAULT_FIRSTPRIVATE, untied and collapse clauses. (gfc_show_code_node): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * trans.c (gfc_trans_code): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * st.c (gfc_free_statement): Likewise. * resolve.c (gfc_resolve_blocks, resolve_code): Likewise. (find_sym_in_expr): Rename to... (gfc_find_sym_in_expr): ... this. No longer static. (resolve_allocate_expr, resolve_ordinary_assign): Adjust caller. * match.h (gfc_match_omp_task, gfc_match_omp_taskwait): New prototypes. * openmp.c (resolve_omp_clauses): Allow allocatable arrays in firstprivate, lastprivate, reduction, copyprivate and copyin clauses. (omp_current_do_code): Made static. (omp_current_do_collapse): New variable. (gfc_resolve_omp_do_blocks): Compute omp_current_do_collapse, clear omp_current_do_code and omp_current_do_collapse on return. (gfc_resolve_do_iterator): Handle collapsed do loops. (resolve_omp_do): Likewise, diagnose errorneous collapsed do loops. (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): Define. (gfc_match_omp_clauses): Handle default (firstprivate), schedule (auto), untied and collapse (n) clauses. (OMP_DO_CLAUSES): Add OMP_CLAUSE_COLLAPSE. (OMP_TASK_CLAUSES): Define. (gfc_match_omp_task, gfc_match_omp_taskwait): New functions. * trans-openmp.c (gfc_omp_private_outer_ref): New function. (gfc_omp_clause_default_ctor): Add outer argument. For allocatable arrays allocate them with the bounds of the outer var if outer var is allocated. (gfc_omp_clause_copy_ctor, gfc_omp_clause_assign_op, gfc_omp_clause_dtor): New functions. (gfc_trans_omp_array_reduction): If decl is allocatable array, allocate it with outer var's bounds in OMP_CLAUSE_REDUCTION_INIT and deallocate it in OMP_CLAUSE_REDUCTION_MERGE. (gfc_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED for assumed-size arrays. (gfc_trans_omp_do): Add par_clauses argument. If dovar is present in lastprivate clause and do loop isn't simple, set OMP_CLAUSE_LASTPRIVATE_STMT. If dovar is present in parallel's lastprivate clause, change it to shared and add lastprivate clause to OMP_FOR_CLAUSES. Handle collapsed do loops. (gfc_trans_omp_directive): Adjust gfc_trans_omp_do callers. (gfc_trans_omp_parallel_do): Likewise. Move collapse clause to OMP_FOR from OMP_PARALLEL. (gfc_trans_omp_clauses): Handle OMP_SCHED_AUTO, OMP_DEFAULT_FIRSTPRIVATE, untied and collapse clauses. (gfc_trans_omp_task, gfc_trans_omp_taskwait): New functions. (gfc_trans_omp_directive): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. gcc/testsuite/ * gcc.dg/gomp/collapse-1.c: New test. * gcc.dg/gomp/nesting-1.c: New test. * g++.dg/gomp/task-1.C: New test. * g++.dg/gomp/predetermined-1.C: New test. * g++.dg/gomp/tls-4.C: New test. * gfortran.dg/gomp/collapse1.f90: New test. * gfortran.dg/gomp/sharing-3.f90: New test. * gcc.dg/gomp/pr27499.c (foo): Remove is unsigned dg-warning. * g++.dg/gomp/pr27499.C (foo): Likewise. * g++.dg/gomp/for-16.C (foo): Likewise. * g++.dg/gomp/tls-3.C: Remove dg-error, add S::s definition. * g++.dg/gomp/pr34607.C: Adjust dg-error location. * g++.dg/gomp/for-16.C (foo): Add a new dg-error. * gcc.dg/gomp/appendix-a/a.35.4.c: Add dg-warning. * gcc.dg/gomp/appendix-a/a.35.6.c: Likewise. * gfortran.dg/gomp/appendix-a/a.35.4.f90: Likewise. * gfortran.dg/gomp/appendix-a/a.35.6.f90: Likewise. * gfortran.dg/gomp/omp_parse1.f90: Remove !$omp tab test. * gfortran.dg/gomp/appendix-a/a.33.4.f90: Remove dg-error about allocatable array. * gfortran.dg/gomp/reduction1.f90: Likewise. libgomp/ * configure.ac (LIBGOMP_GNU_SYMBOL_VERSIONING): New AC_DEFINE. Substitute also OMP_*LOCK_25*. * configure: Regenerated. * config.h.in: Regenerated. * Makefile.am (libgomp_la_SOURCES): Add loop_ull.c, iter_ull.c, ptrlock.c and task.c. * Makefile.in: Regenerated. * testsuite/Makefile.in: Regenerated. * task.c: New file. * loop_ull.c: New file. * iter_ull.c: New file. * libgomp.h: Include ptrlock.h. (enum gomp_task_kind): New type. (struct gomp_team): Add task_lock, task_queue, task_count, task_running_count, single_count fields. Add work_share_list_free_lock ifndef HAVE_SYNC_BUILTINS. Remove work_share_lock, generation_mask, oldest_live_gen, num_live_gen and init_work_shares fields, add work work_share_list_alloc, work_share_list_free and work_share_chunk fields. Change work_shares from pointer to pointers into an array. Change ordered_release field into gomp_sem_t ** from flexible array member. Add implicit_task and initial_work_shares fields. Move close to the end of the struct. (struct gomp_team_state): Add single_count, last_work_share, active_level and level fields, remove work_share_generation. (gomp_barrier_handle_tasks): New prototype. (gomp_finish_task): New inline function. (struct gomp_work_share): Move chunk_size, end, incr into transparent union/struct, add chunk_size_ull, end_ll, incr_ll and next_ll fields. Reshuffle fields. Add next_alloc, next_ws, next_free and inline_ordered_team_ids fields, change ordered_team_ids into pointer from flexible array member. Add mode field. Put lock and next into a different cache line from most of the write-once fields. (gomp_iter_ull_static_next, gomp_iter_ull_dynamic_next_locked, gomp_iter_ull_guided_next_locked, gomp_iter_ull_dynamic_next, gomp_iter_ull_guided_next): New prototypes. (gomp_new_icv): New prototype. (struct gomp_thread): Add thread_pool and task fields. (struct gomp_thread_pool): New type. (gomp_new_team): New prototype. (gomp_team_start): Change type of last argument. (gomp_new_work_share): Removed. (gomp_init_work_share, gomp_fini_work_share): New prototypes. (gomp_work_share_init_done): New static inline. (gomp_throttled_spin_count_var, gomp_available_cpus, gomp_managed_threads): New extern decls. (gomp_init_task): New prototype. (gomp_spin_count_var): New extern var decl. (LIBGOMP_GNU_SYMBOL_VERSIONING): Undef if no visibility or no alias support, or if not PIC. (gomp_init_lock_30, gomp_destroy_lock_30, gomp_set_lock_30, gomp_unset_lock_30, gomp_test_lock_30, gomp_init_nest_lock_30, gomp_destroy_nest_lock_30, gomp_set_nest_lock_30, gomp_unset_nest_lock_30, gomp_test_nest_lock_30, gomp_init_lock_25, gomp_destroy_lock_25, gomp_set_lock_25, gomp_unset_lock_25, gomp_test_lock_25, gomp_init_nest_lock_25, gomp_destroy_nest_lock_25, gomp_set_nest_lock_25, gomp_unset_nest_lock_25, gomp_test_nest_lock_25): New prototypes. (omp_lock_symver, strong_alias): Define. (gomp_remaining_threads_count, gomp_remaining_threads_lock): New decls. (gomp_end_task): New. (struct gomp_task_icv, gomp_global_icv): New. (gomp_thread_limit_var, gomp_max_active_levels_var): New. (struct gomp_task): New. (gomp_nthreads_var, gomp_dyn_var, gomp_nest_var, gomp_run_sched_var, gomp_run_sched_chunk): Remove. (gomp_icv): New. (gomp_schedule_type): Reorder enum to match omp_sched_t. * team.c (struct gomp_thread_start_data): Add thread_pool and task fields. (gomp_thread_start): Add gomp_team_barrier_wait call. For non-nested case remove clearing of docked thread thr fields. Use pool fields instead of global gomp_* variables. Use gomp_barrier_wait_last when needed. Initialize ts.active_level. Create tasks for each member thread. (free_team): Only destroy team barrier, task_lock here and free it. (gomp_free_thread): Free last_team if non-NULL. (gomp_team_end): Call gomp_team_barrier_wait instead of gomp_barrier_wait. For nested case call one extra gomp_barrier_wait. Move here some destruction from free_team. Call free_team on pool->last_team if any, rather than freeing current team. Destroy work_share_list_free_lock ifndef HAVE_SYNC_BUILTINS. (gomp_new_icv): New function. (gomp_threads, gomp_threads_size, gomp_threads_used, gomp_threads_dock): Removed. (gomp_thread_destructor): New variable. (gomp_new_thread_pool, gomp_free_pool_helper, gomp_free_thread): New functions. (gomp_team_start): Create new pool if current thread doesn't have one. Use pool fields instead of global gomp_* variables. Initialize thread_pool field for new threads. Clear single_count. Change last argument from ws to team, don't create new team, set ts.work_share to &team->work_shares[0] and clear ts.last_work_share. Don't clear ts.work_share_generation. If number of threads changed, adjust atomically gomp_managed_threads. Use gomp_init_task instead of gomp_new_task, set thr->task to the corresponding implicit_task array entry. Create tasks for each member thread. Initialize ts.level. (initialize_team): Call pthread_key_create on gomp_thread_destructor. (team_destructor): New function. (new_team): Removed. (gomp_new_team): New function. (free_team): Free gomp_work_share blocks chained through next_alloc, instead of freeing work_shares and destroying work_share_lock. (gomp_team_end): Call gomp_fini_work_share. If number of threads changed, adjust atomically gomp_managed_threads. Use gomp_end_task. * barrier.c (GOMP_barrier): Call gomp_team_barrier_wait instead of gomp_barrier_wait. * single.c (GOMP_single_copy_start): Call gomp_team_barrier_wait instead of gomp_barrier_wait. Call gomp_work_share_init_done if gomp_work_share_start returned true. Don't unlock ws->lock. (GOMP_single_copy_end): Call gomp_team_barrier_wait instead of gomp_barrier_wait. (GOMP_single_start): Rewritten if HAVE_SYNC_BUILTINS. Call gomp_work_share_init_done if gomp_work_share_start returned true. Don't unlock ws->lock. * work.c: Include stddef.h. (free_work_share): Use work_share_list_free_lock instead of atomic chaining ifndef HAVE_SYNC_BUILTINS. Add team argument. Call gomp_fini_work_share and then either free ws if orphaned, or put it into work_share_list_free list of the current team. (alloc_work_share, gomp_init_work_share, gomp_fini_work_share): New functions. (gomp_work_share_start, gomp_work_share_end, gomp_work_share_end_nowait): Rewritten. * omp_lib.f90.in Change some tabs to spaces to prevent warnings. (openmp_version): Set to 200805. (omp_sched_kind, omp_sched_static, omp_sched_dynamic, omp_sched_guided, omp_sched_auto): New parameters. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New interfaces. * omp_lib.h.in (openmp_version): Set to 200805. (omp_sched_kind, omp_sched_static, omp_sched_dynamic, omp_sched_guided, omp_sched_auto): New parameters. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New externals. * loop.c: Include limits.h. (GOMP_loop_runtime_next, GOMP_loop_ordered_runtime_next): Handle GFS_AUTO. (GOMP_loop_runtime_start, GOMP_loop_ordered_runtime_start): Likewise. Use gomp_icv. (gomp_loop_static_start, gomp_loop_dynamic_start): Clear ts.static_trip here. (gomp_loop_static_start, gomp_loop_ordered_static_start): Call gomp_work_share_init_done after gomp_loop_init. Don't unlock ws->lock. (gomp_loop_dynamic_start, gomp_loop_guided_start): Call gomp_work_share_init_done after gomp_loop_init. If HAVE_SYNC_BUILTINS, don't unlock ws->lock, otherwise lock it. (gomp_loop_ordered_dynamic_start, gomp_loop_ordered_guided_start): Call gomp_work_share_init_done after gomp_loop_init. Lock ws->lock. (gomp_parallel_loop_start): Call gomp_new_team instead of gomp_new_work_share. Call gomp_loop_init on &team->work_shares[0]. Adjust gomp_team_start caller. Pass 0 as second argument to gomp_resolve_num_threads. (gomp_loop_init): For GFS_DYNAMIC, multiply ws->chunk_size by incr. If adding ws->chunk_size nthreads + 1 times after end won't overflow, set ws->mode to 1. * libgomp_g.h (GOMP_loop_ull_static_start, GOMP_loop_ull_dynamic_start, GOMP_loop_ull_guided_start, GOMP_loop_ull_runtime_start, GOMP_loop_ull_ordered_static_start, GOMP_loop_ull_ordered_dynamic_start, GOMP_loop_ull_ordered_guided_start, GOMP_loop_ull_ordered_runtime_start, GOMP_loop_ull_static_next, GOMP_loop_ull_dynamic_next, GOMP_loop_ull_guided_next, GOMP_loop_ull_runtime_next, GOMP_loop_ull_ordered_static_next, GOMP_loop_ull_ordered_dynamic_next, GOMP_loop_ull_ordered_guided_next, GOMP_loop_ull_ordered_runtime_next, GOMP_task, GOMP_taskwait): New prototypes. * libgomp.map: Export lock routines also @@OMP_2.0. (GOMP_loop_ordered_dynamic_first, GOMP_loop_ordered_guided_first, GOMP_loop_ordered_runtime_first, GOMP_loop_ordered_static_first): Remove. (GOMP_loop_ull_dynamic_next, GOMP_loop_ull_dynamic_start, GOMP_loop_ull_guided_next, GOMP_loop_ull_guided_start, GOMP_loop_ull_ordered_dynamic_next, GOMP_loop_ull_ordered_dynamic_start, GOMP_loop_ull_ordered_guided_next, GOMP_loop_ull_ordered_guided_start, GOMP_loop_ull_ordered_runtime_next, GOMP_loop_ull_ordered_runtime_start, GOMP_loop_ull_ordered_static_next, GOMP_loop_ull_ordered_static_start, GOMP_loop_ull_runtime_next, GOMP_loop_ull_runtime_start, GOMP_loop_ull_static_next, GOMP_loop_ull_static_start, GOMP_task, GOMP_taskwait): Export @@GOMP_2.0. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level, omp_set_schedule_, omp_set_schedule_8_, omp_get_schedule_, omp_get_schedule_8_, omp_get_thread_limit_, omp_set_max_active_levels_, omp_set_max_active_levels_8_, omp_get_max_active_levels_, omp_get_level_, omp_get_ancestor_thread_num_, omp_get_ancestor_thread_num_8_, omp_get_team_size_, omp_get_team_size_8_, omp_get_active_level_): New exports @@OMP_3.0. * omp.h.in (omp_sched_t): New type. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New prototypes. * env.c (gomp_spin_count_var, gomp_throttled_spin_count_var, gomp_available_cpus, gomp_managed_threads, gomp_max_active_levels_var, gomp_thread_limit_var, gomp_remaining_threads_count, gomp_remaining_threads_lock): New variables. (parse_spincount): New function. (initialize_env): Call gomp_init_num_threads unconditionally. Initialize gomp_available_cpus. Call parse_spincount, initialize gomp_{,throttled_}spin_count_var depending on presence and value of OMP_WAIT_POLICY and GOMP_SPINCOUNT env vars. Handle GOMP_BLOCKTIME env var. Handle OMP_WAIT_POLICY, OMP_MAX_ACTIVE_LEVELS, OMP_THREAD_LIMIT, OMP_STACKSIZE env vars. Handle unit specification for GOMP_STACKSIZE. Initialize gomp_remaining_threads_count and gomp_remaining_threads_lock if needed. Use gomp_global_icv. (gomp_nthreads_var, gomp_dyn_var, gomp_nest_var, gomp_run_sched_var, gomp_run_sched_chunk): Remove. (gomp_global_icv): New. (parse_schedule): Use it. Parse "auto". (omp_set_num_threads): Use gomp_icv. (omp_set_dynamic, omp_get_dynamic, omp_set_nested, omp_get_nested): Likewise. (omp_get_max_threads): Move from parallel.c. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels): New functions, add ialias. (parse_stacksize, parse_wait_policy): New functions. * fortran.c: Rewrite lock wrappers, if symbol versioning provide both wrappers for compatibility and new locks. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New ialias_redirect. (omp_set_schedule_, omp_set_schedule_8_, omp_get_schedule_, omp_get_schedule_8_, omp_get_thread_limit_, omp_set_max_active_levels_, omp_set_max_active_levels_8_, omp_get_max_active_levels_, omp_get_level_, omp_get_ancestor_thread_num_, omp_get_ancestor_thread_num_8_, omp_get_team_size_, omp_get_team_size_8_, omp_get_active_level_): New functions. * parallel.c: Include limits.h. (gomp_resolve_num_threads): Add count argument. Rewritten. (GOMP_parallel_start): Call gomp_new_team and pass that as last argument to gomp_team_start. Pass 0 as second argument to gomp_resolve_num_threads. (GOMP_parallel_end): Decrease gomp_remaining_threads_count if gomp_thread_limit_var != ULONG_MAX. (omp_in_parallel): Implement using ts.active_level. (omp_get_max_threads): Move to env.c. (omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New functions, add ialias. * sections.c (GOMP_sections_start): Call gomp_work_share_init_done after gomp_sections_init. If HAVE_SYNC_BUILTINS, call gomp_iter_dynamic_next instead of the _locked variant and don't take lock around it, otherwise acquire it before calling gomp_iter_dynamic_next_locked. (GOMP_sections_next): If HAVE_SYNC_BUILTINS, call gomp_iter_dynamic_next instead of the _locked variant and don't take lock around it. (GOMP_parallel_sections_start): Call gomp_new_team instead of gomp_new_work_share. Call gomp_sections_init on &team->work_shares[0]. Adjust gomp_team_start caller. Pass count as second argument to gomp_resolve_num_threads, don't adjust num_threads after the call. Use gomp_icv. * iter.c (gomp_iter_dynamic_next_locked): Don't multiply ws->chunk_size by incr. (gomp_iter_dynamic_next): Likewise. If ws->mode, use more efficient code. * libgomp_f.h.in (omp_lock_25_arg_t, omp_nest_lock_25_arg_t): New types. (omp_lock_25_arg, omp_nest_lock_25_arg): New macros. (omp_check_defines): Check even the compat defines. * config/linux/ptrlock.c: New file. * config/linux/ptrlock.h: New file. * config/linux/wait.h: New file. * config/posix/ptrlock.c: New file. * config/posix/ptrlock.h: New file. * config/linux/bar.h (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New prototypes. (gomp_team_barrier_set_task_pending, gomp_team_barrier_clear_task_pending, gomp_team_barrier_set_waiting_for_tasks, gomp_team_barrier_waiting_for_tasks, gomp_team_barrier_done): New inlines. (gomp_barrier_t): Rewritten. (gomp_barrier_state_t): New typedef. (gomp_barrier_init, gomp_barrier_reinit, gomp_barrier_destroy, gomp_barrier_wait_start): Rewritten. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_barrier_last_thread, gomp_barrier_wait_last): New static inlines. * config/linux/bar.c: Include wait.h instead of libgomp.h and futex.h. (gomp_barrier_wait_end): Rewritten. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake, gomp_barrier_wait_last): New functions. * config/posix/bar.h (gomp_barrier_t): Add generation field. (gomp_barrier_state_t): New typedef. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New prototypes. (gomp_barrier_wait_start): Or all but low 2 bits from generation into the return value. Return gomp_barrier_state_t. (gomp_team_barrier_set_task_pending, gomp_team_barrier_clear_task_pending, gomp_team_barrier_set_waiting_for_tasks, gomp_team_barrier_waiting_for_tasks, gomp_team_barrier_done): New inlines. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_barrier_last_thread, gomp_barrier_wait_last): New static inlines. * config/posix/bar.c (gomp_barrier_init): Clear generation field. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New functions. * config/linux/mutex.c: Include wait.h instead of libgomp.h and futex.h. (gomp_futex_wake, gomp_futex_wait): New variables. (gomp_mutex_lock_slow): Call do_wait instead of futex_wait. * config/linux/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. Include wait.h instead of libgomp.h and futex.h. (gomp_set_nest_lock_25): Call do_wait instead of futex_wait. * config/posix95/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. * config/posix/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. * config/linux/proc.c (gomp_init_num_threads): Use gomp_global_icv. (get_num_procs, gomp_dynamic_max_threads): Use gomp_icv. * config/posix/proc.c, config/mingw32/proc.c: Similarly. * config/linux/powerpc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/alpha/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/x86/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/s390/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/ia64/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/sparc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/sem.c: Include wait.h instead of libgomp.h and futex.h. (gomp_sem_wait_slow): Call do_wait instead of futex_wait. * config/linux/affinity.c: Assume HAVE_SYNC_BUILTINS. * config/linux/omp-lock.h (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_nest_lock_t): Change owner into void *, add lock field. * config/posix95/omp-lock.h: Include semaphore.h. (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_lock_t): Use sem_t instead of mutex if semaphores aren't broken. (omp_nest_lock_t): Likewise. Change owner to void *. * config/posix/omp-lock.h: Include semaphore.h. (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_lock_t): Use sem_t instead of mutex if semaphores aren't broken. (omp_nest_lock_t): Likewise. Add owner field. * testsuite/libgomp.c/collapse-1.c: New test. * testsuite/libgomp.c/collapse-2.c: New test. * testsuite/libgomp.c/collapse-3.c: New test. * testsuite/libgomp.c/icv-1.c: New test. * testsuite/libgomp.c/icv-2.c: New test. * testsuite/libgomp.c/lib-2.c: New test. * testsuite/libgomp.c/lock-1.c: New test. * testsuite/libgomp.c/lock-2.c: New test. * testsuite/libgomp.c/lock-3.c: New test. * testsuite/libgomp.c/loop-4.c: New test. * testsuite/libgomp.c/loop-5.c: New test. * testsuite/libgomp.c/loop-6.c: New test. * testsuite/libgomp.c/loop-7.c: New test. * testsuite/libgomp.c/loop-8.c: New test. * testsuite/libgomp.c/loop-9.c: New test. * testsuite/libgomp.c/nested-3.c: New test. * testsuite/libgomp.c/nestedfn-6.c: New test. * testsuite/libgomp.c/sort-1.c: New test. * testsuite/libgomp.c/task-1.c: New test. * testsuite/libgomp.c/task-2.c: New test. * testsuite/libgomp.c/task-3.c: New test. * testsuite/libgomp.c/task-4.c: New test. * testsuite/libgomp.c++/c++.exp: Add libstdc++-v3 build includes to C++ testsuite default compiler options. * testsuite/libgomp.c++/collapse-1.C: New test. * testsuite/libgomp.c++/collapse-2.C: New test. * testsuite/libgomp.c++/ctor-10.C: New test. * testsuite/libgomp.c++/for-1.C: New test. * testsuite/libgomp.c++/for-2.C: New test. * testsuite/libgomp.c++/for-3.C: New test. * testsuite/libgomp.c++/for-4.C: New test. * testsuite/libgomp.c++/for-5.C: New test. * testsuite/libgomp.c++/loop-8.C: New test. * testsuite/libgomp.c++/loop-9.C: New test. * testsuite/libgomp.c++/loop-10.C: New test. * testsuite/libgomp.c++/task-1.C: New test. * testsuite/libgomp.c++/task-2.C: New test. * testsuite/libgomp.c++/task-3.C: New test. * testsuite/libgomp.c++/task-4.C: New test. * testsuite/libgomp.c++/task-5.C: New test. * testsuite/libgomp.c++/task-6.C: New test. * testsuite/libgomp.fortran/allocatable1.f90: New test. * testsuite/libgomp.fortran/allocatable2.f90: New test. * testsuite/libgomp.fortran/allocatable3.f90: New test. * testsuite/libgomp.fortran/allocatable4.f90: New test. * testsuite/libgomp.fortran/collapse1.f90: New test. * testsuite/libgomp.fortran/collapse2.f90: New test. * testsuite/libgomp.fortran/collapse3.f90: New test. * testsuite/libgomp.fortran/collapse4.f90: New test. * testsuite/libgomp.fortran/lastprivate1.f90: New test. * testsuite/libgomp.fortran/lastprivate2.f90: New test. * testsuite/libgomp.fortran/lib4.f90: New test. * testsuite/libgomp.fortran/lock-1.f90: New test. * testsuite/libgomp.fortran/lock-2.f90: New test. * testsuite/libgomp.fortran/nested1.f90: New test. * testsuite/libgomp.fortran/nestedfn4.f90: New test. * testsuite/libgomp.fortran/strassen.f90: New test. * testsuite/libgomp.fortran/tabs1.f90: New test. * testsuite/libgomp.fortran/tabs2.f: New test. * testsuite/libgomp.fortran/task1.f90: New test. * testsuite/libgomp.fortran/task2.f90: New test. * testsuite/libgomp.fortran/vla4.f90: Add dg-warning. * testsuite/libgomp.fortran/vla5.f90: Likewise. * testsuite/libgomp.c/pr26943-2.c: Likewise. * testsuite/libgomp.c/pr26943-3.c: Likewise. * testsuite/libgomp.c/pr26943-4.c: Likewise. Co-Authored-By: Jakob Blomer <jakob.blomer@ira.uka.de> Co-Authored-By: Richard Henderson <rth@redhat.com> Co-Authored-By: Ulrich Drepper <drepper@redhat.com> From-SVN: r136433
2008-06-06 15:01:54 +02:00
return gomp_thread ()->ts.active_level > 0;
[multiple changes] 2006-01-18 Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * libgomp: New directory. * Makefile.def: Add target_module libgomp. * Makefile.in: Regenerate. * configure.in (target_libraries): Add target-libgomp. * configure: Regenerate. contrib/ 2006-01-18 Richard Henderson <rth@redhat.com> Diego Novillo <dnovillo@redhat.com> * gcc_update (files_and_dependencies): Add libgomp files. gcc/ 2006-01-18 Richard Henderson <rth@redhat.com> Aldy Hernandez <aldyh@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * omp-low.c: New file. * c-omp.c: New file. 2006-01-18 Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * doc/invoke.texi: Document -fopenmp. * tree-dump.h (debug_function): Declare. * hooks.c (hook_bool_tree_bool_false): New function. (hook_tree_tree_null): Remove. (hook_tree_tree_tree_null): New. * hooks.h: Update to match. * tree-pretty-print.c (debug_tree_chain): New. (print_generic_expr): Handle TDF_CHAIN. (dump_generic_node): Handle BLOCK. Do not abort with incomplete SWITCH_EXPRs. Do not dump body of an OpenMP directive if TDF_SLIM is given. <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't print space after directive name. <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY. Handle OMP_MASTER and OMP_ORDERED. Handle printing of OMP_BODY just in one place, goto dump_omp_body in the rest of OMP_* nodes that have OMP_BODY. Don't handle clause nodes here. Update omp statements to use dump_omp_clauses. Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION, OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC, OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF, GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED, GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE, GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE. Adjust output for GOMP_PARALLEL. (dump_omp_clauses): New. (print_declaration): Dump DECL_VALUE_EXPR. (op_symbol_1): Split out of op_symbol. (dumping_stmts): Remove. Update all users. * cgraph.c (cgraph_analyze_queue): New. (cgraph_add_new_function): New. * cgraph.h (cgraph_analyze_queue): Declare. (cgraph_add_new_function): Declare. (cgraph_lower_function): Remove. * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_* nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS and TYPE_P nodes in its default clause. (empty_body_p): New. (tree_range_check_failed): New. (build5_stat): New. * tree.h (OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE, OMP_CLAUSE_REDUCTION_PLACEHOLDER, OMP_CLAUSE_PRIVATE_DEBUG, OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY, OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY, OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND, OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL, OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR, OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT, OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT, OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC, OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST, OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY, OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY, OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New. (TREE_RANGE_CHECK): New. (empty_body_p): Declare. (enum omp_clause_default_kind): New. (build_string_literal): Declare. (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New. (build5_stat, build5): Declare. * tree-pass.h (TDF_CHAIN): Define. * tree-pass.h (PROP_gimple_lomp): Define. (pass_lower_omp): Declare. * diagnostic.h (debug_tree_chain): Declare. * builtins.c (get_builtin_sync_mode): Use 0 as last argument to mode_for_size. (expand_builtin): Handle sync BUILT_IN_*_16 builtins. * builtins.c (build_string_literal): Make extern. * gcc.c (include_spec_function): New. (static_spec_functions): Add it. (main): Move load of libgomp.spec ... (LINK_COMMAND_SPEC): ... here. (link_gomp_spec): New. (static_specs): Include it. (LINK_COMMAND_SPEC): Add link_gomp. (GOMP_SELF_SPECS): New. (driver_self_specs): Include it. (switch_matches): Don't mark inline. (main): Load libgomp.spec. * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION, and OMP_SINGLE, OMP_FOR and OMP_PARALLEL. * tree-gimple.h (enum omp_parallel): Declare. (determine_parallel_type): Declare. (omp_firstprivatize_variable): Declare. (omp_reduction_init): Declare. (diagnose_omp_structured_block_errors): Declare. (struct walk_stmt_info): Add want_return_expr. (struct walk_stmt_info): Add want_bind_expr, want_locations. (find_omp_clause): Declare. (insert_field_into_struct): Declare. (struct walk_stmt_info): Move from tree-nested.c (walk_stmts): Declare. * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP to 200505. * cgraphunit.c (cgraph_lower_function): Make static. (cgraph_finalize_pending_functions): New. (cgraph_finalize_function): Call it. (cgraph_finalize_compilation_unit): Likewise. * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16, BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add. (BT_FN_UINT_UINT): New. (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7, DEF_FUNCTION_TYPE_VAR_4): Document. (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT, BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR, BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT, BT_FN_VOID_OMPFN_PTR_UINT_UINT, BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR, BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New. * builtins.def: Update DEF_BUILTIN comment to include COND argument. Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins into separate files. (DEF_GOMP_BUILTIN): New. (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER, BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END, BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END, BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START, BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START, BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START, BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START, BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START, BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT, 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_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT, BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END, BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END, BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT, BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END, BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START, BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New. * sync-builtins.def: New file, moved from builtins.def. * omp-builtins.def: New file, moved from builtins.def. * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine. * gimple-low.c (lower_function_body): Clear data. (lower_stmt): Do not handle COMPOUND_EXPR. Remove call to print_node_brief. * c-tree.h (c_finish_omp_clauses): New prototype. (C_DECL_THREADPRIVATE_P): Define. (lookup_name_no_remap, c_omp_remap_private): Remove (c_begin_omp_parallel, c_finish_omp_parallel): Update. (check_for_loop_decls): Update decl. (lookup_name_no_remap, c_omp_remap_private): Declare. (build_indirect_ref, build_modify_expr, pushdecl, pushdecl_top_level): Move to c-common.h. * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp before the switch, but just in the 2 places that need it. * c-decl.c (diagnose_mismatched_decls): Do not check for mismatched thread-local attributes when OLDDECL is marked threadprivate and NEWDECL has no thread-local attributes. (merge_decls): Merge C_DECL_THREADPRIVATE_P. (c_gimple_diagnostics_recursively): Rename from c_warn_unused_result_recursively. Invoke diagnose_omp_structured_block_errors. (check_for_loop_decls): Return a singular decl found. * langhooks.c (lhd_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls. (lhd_omp_firstprivatize_type_sizes): New. (lhd_omp_assignment): New. (lhd_omp_predetermined_sharing): New. * langhooks.h (struct gimplify_omp_ctx): Forward declare. (struct lang_hooks_for_types): Add omp_firstprivatize_type_sizes, omp_privatize_by_reference, omp_predetermined_sharing, omp_disregard_value_expr, omp_private_debug_clause, omp_clause_default_ctor, omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor. (c_finish_omp_clauses): New. (c_finish_bc_stmt): Diagnose break within omp for. (c_begin_omp_parallel, c_finish_omp_parallel): New. (build_unary_op): Return error_mark after reporting a readonly_error. (build_modify_expr): Likewise. * gimplify.c: Include optabs.h and pointer-set.h. (enum gimplify_omp_var_data): Declare. (struct gimplify_omp_ctx): Declare. (struct gimplify_ctx): Add fields prev_context, combined_pre_p and combined_ctxp. (gimplify_ctxp, gimplify_omp_ctxp): New local variables. (push_gimplify_context, pop_gimplify_context): Allow nesting. (splay_tree_compare_decl_uid): New. (new_omp_context): New. (delete_omp_context): New. (gimple_add_tmp_var): Call omp_add_variable. (gimplify_bind_expr): Likewise. (gimplify_var_or_parm_decl): If omp_notice_variable returned true, disregard DECL_VALUE_EXPR on the decl if any. (gimplify_expr_in_ctx): New. (omp_firstprivatize_variable, omp_firstprivatize_type_sizes omp_add_variable, omp_notice_variable, omp_is_private gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1 gimplify_adjust_omp_clauses, gimplify_omp_parallel gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p gimplify_omp_atomic_fetch_op, goa_stabilize_expr gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex gimplify_omp_atomic): New. (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS, OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL and OMP_ATOMIC. (gimplify_body): Verify gimplify_ctxp is empty after gimplification. * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER, PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR, PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED, PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR, PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION, PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE, PRAGMA_OMP_THREADPRIVATE. * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS, OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define. * print-tree.c (print_node): Dump DECL_VALUE_EXPR. * tree-ssa-dce.c (find_control_dependence): Do not assume that ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR). * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for OpenMP directives. (struct nesting_info): Add field_map, suppress_expansion, debug_var_chain. (create_nesting_tree): Initialize them. (lookup_field_for_decl): Use field_map. (get_nonlocal_debug_decl, get_local_debug_decl): New. (convert_local_omp_clauses): New. (finalize_nesting_tree_1): Add debug_var_chain to toplevel block. (walk_body): Split out of walk_function. (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New. (convert_nonlocal_reference): Handle omp statements. (convert_local_reference): Likewise. (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1. (unnest_nesting_tree): New. (lower_nested_functions): Call it. (insert_field_into_struct): Make extern. (struct walk_stmt_info): Move to tree-gimple.h. (walk_stmts): Make extern. * omp-builtins.def: New file. * tree-iterator.c (expr_only): Clarify comment. * c-common.h (pushdecl_top_level, pushdecl, build_modify_expr, build_indirect_ref, c_finish_omp_master, c_finish_omp_critical, c_finish_omp_ordered, c_finish_omp_barrier, c_finish_omp_atomic, c_finish_omp_flush, c_finish_omp_for, c_split_parallel_clauses, omp_clause_default_kind, c_omp_sharing_predetermined, c_omp_remap_decl): Declare. * Makefile.in (BUILTINS_DEF): Add omp-builtins.def. (OBJS-common): Add omp-low.o. (c-omp.o, omp-low.o): Add. (gimplify.o): Add dependency on $(OPTABS_H). (GTFILES): Add omp-low.c. (gt-stringpool.h): Add. * tree-cfg.c (set_bb_for_stmt): Do not update the block-to-labels map if we are currently expanding to RTL. (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P checks. Handle IDENTIFIER_NODE. (tree_verify_flow_info): Do not ICE when emitting error messages about invalid labels. (dump_function_to_file): Reset CFUN before emitting the body of the function. (debug_function): New. * passes.c (init_optimization_passes): Schedule pass_lower_omp. * langhooks-def.h (lhd_omp_predetermined_sharing, lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes): Declare. (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define. (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it. (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE, LANG_HOOKS_OMP_PREDETERMINED_SHARING, LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR, LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE, LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR, LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, LANG_HOOKS_OMP_CLAUSE_DTOR): Define. (LANG_HOOK_DECLS): Use them. 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com> Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * c-parser.c (pragma_omp_clause): Define. (c_parser_declaration_or_fndef): Document OpenMP syntax. (c_parser_compound_statement): Likewise. (c_parser_statement): Likewise. (c_parser_pragma): Handle omp pragmas. (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK, OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define. (c_parser_omp_clause_name, check_no_duplicate_clause, c_parser_omp_variable_list, c_parser_omp_var_list_parens, c_parser_omp_clause_copyin, c_parser_omp_clause_copyprivate, c_parser_omp_clause_default, c_parser_omp_clause_firstprivate, c_parser_omp_clause_if, c_parser_omp_clause_lastprivate, c_parser_omp_clause_nowait, c_parser_omp_clause_num_threads, c_parser_omp_clause_ordered, c_parser_omp_clause_private, c_parser_omp_clause_reduction, c_parser_omp_clause_schedule, c_parser_omp_clause_shared, c_parser_omp_all_clauses, c_parser_omp_structured_block, c_parser_omp_atomic, c_parser_omp_barrier, c_parser_omp_critical, c_parser_omp_flush, c_parser_omp_for_loop, c_parser_omp_for, c_parser_omp_master, c_parser_omp_ordered, c_parser_omp_sections_scope, c_parser_omp_sections, c_parser_omp_parallel, c_parser_omp_single, c_parser_omp_construct, c_parser_omp_threadprivate): New. * c-pragma.c (init_pragma): Do omp pragma registration here. * c.opt (fopenmp): New flag. 2006-01-18 Eric Christopher <echristo@apple.com> * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif. * config/darwin.h (GOMP_SELF_SPECS): Define. testsuite/ 2006-01-18 Richard Henderson <rth@redhat.com> Aldy Hernandez <aldyh@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> Uros Bizjak <uros@kss-loka.si> * testsuite/gcc.dg/gomp: New directory. From-SVN: r109902
2006-01-18 20:21:25 +01:00
}
c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805. * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805. * langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause. Add omp_private_outer_ref hook, add another argument to omp_clause_default_ctor hook. * langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define. (LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define. (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to hook_tree_tree_tree_tree_null. (LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and LANG_HOOKS_OMP_PRIVATE_OUTER_REF. * hooks.c (hook_tree_tree_tree_tree_null): New function. * hooks.h (hook_tree_tree_tree_tree_null): New prototype. * tree.def (OMP_TASK): New tree code. * tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN, OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT, OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES, OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY, OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG, OMP_CLAUSE_COLLAPSE_EXPR): Define. (enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. (OMP_DIRECTIVE_P): Add OMP_TASK. (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes. (OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind. * tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED entries. (omp_clause_num_ops): Likewise. Increase OMP_CLAUSE_LASTPRIVATE num_ops to 2. (walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Walk OMP_CLAUSE_LASTPRIVATE_STMT. * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. (dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops. * c-omp.c (c_finish_omp_for): Allow pointer iterators. Remove warning about unsigned iterators. Change decl/init/cond/incr arguments to TREE_VECs, check arguments for all collapsed loops. (c_finish_omp_taskwait): New function. (c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to ws_clauses. * c-parser.c (c_parser_omp_for_loop): Parse collapsed loops. Call default_function_array_conversion on init. Add par_clauses argument. If decl is present in parallel's lastprivate clause, change it to shared and add lastprivate clause for decl to OMP_FOR_CLAUSES. Add clauses argument, on success set OMP_FOR_CLAUSES to it. Look up collapse count in clauses. (c_parser_omp_for, c_parser_omp_parallel): Adjust c_parser_omp_for_loop callers. (OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE. (c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT. (c_parser_omp_clause_name): Handle collapse and untied clauses. (c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New functions. (c_parser_omp_clause_schedule): Handle schedule(auto). Include correct location in the error message. (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE and PRAGMA_OMP_CLAUSE_UNTIED. (OMP_TASK_CLAUSE_MASK): Define. (c_parser_omp_task, c_parser_omp_taskwait): New functions. (c_parser_omp_construct): Handle PRAGMA_OMP_TASK. * tree-nested.c (convert_nonlocal_omp_clauses, convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE, OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in OMP_CLAUSE_DECL. (conver_nonlocal_reference, convert_local_reference, convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL. Use OMP_TASKREG_* macros rather than OMP_PARALLEL_*. (walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes. * tree-gimple.c (is_gimple_stmt): Handle OMP_TASK. * c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes. * c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New. (PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New. * c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions. (c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. * c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas. * c-common.h (c_finish_omp_taskwait): New prototype. * gimple-low.c (lower_stmt): Handle OMP_TASK. * tree-parloops.c (create_parallel_loop): Create 1 entry vectors for OMP_FOR_{INIT,COND,INCR}. * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers. (make_edges): Handle OMP_TASK. * tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. * tree-inline.c (estimate_num_insns_1): Handle OMP_TASK. * builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR, BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New. * omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT, BUILT_IN_GOMP_LOOP_ULL_STATIC_START, BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ULL_GUIDED_START, BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins. * gimplify.c (gimplify_omp_for): Allow pointer type for decl, handle POINTER_PLUS_EXPR. If loop counter has been replaced and original iterator is present in lastprivate clause or if collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT. Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. (gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK. (enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF. (omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed, if it is set, lookup var in outer contexts too. Handle OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. Handle vars that are supposed to be implicitly determined firstprivate for task regions. (gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed, if it is set, lookup var in outer contexts too. Set OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set. Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Take region_type as last argument instead of in_parallel and in_combined_parallel. (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare): Adjust callers. (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set. Call omp_finish_clause langhook. (new_omp_context): Set default_kind to OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions. (omp_region_type): New enum. (struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel fields, add region_type. (new_omp_context): Take region_type as argument instead of is_parallel and is_combined_parallel. (gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable, omp_is_private, omp_check_private): Adjust ctx->is_parallel and ctx->is_combined_parallel checks. (gimplify_omp_task): New function. (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. * omp-low.c (extract_omp_for_data): Use schedule(static) for schedule(auto). Handle pointer and unsigned iterators. Compute fd->iter_type. Handle POINTER_PLUS_EXPR increments. Add loops argument. Extract data for collapsed OMP_FOR loops. (expand_parallel_call): Assert sched_kind isn't auto, map runtime schedule to index 3. (struct omp_for_data_loop): New type. (struct omp_for_data): Remove v, n1, n2, step, cond_code fields. Add loop, loops, collapse and iter_type fields. (workshare_safe_to_combine_p): Disallow combined for if iter_type is unsigned long long. Don't combine collapse > 1 loops unless all bounds and steps are constant. Adjust extract_omp_for_data caller. (expand_omp_for_generic): Handle pointer, unsigned and long long iterators. Handle collapsed OMP_FOR loops. Adjust for struct omp_for_data changes. If libgomp function doesn't return boolean_type_node, add comparison of the return value with 0. (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle pointer, unsigned and long long iterators. Adjust for struct omp_for_data changes. (expand_omp_for): Assert sched_kind isn't auto, map runtime schedule to index 3. Use GOMP_loop_ull*{start,next} if iter_type is unsigned long long. Allocate loops array, pass it to extract_omp_for_data. For collapse > 1 loops use always expand_omp_for_generic. (omp_context): Add sfield_map and srecord_type fields. (is_task_ctx, lookup_sfield): New functions. (use_pointer_for_field): Use is_task_ctx helper. Change first argument's type from const_tree to tree. Clarify comment. In OMP_TASK disallow copy-in/out sharing. (build_sender_ref): Call lookup_sfield instead of lookup_field. (install_var_field): Add mask argument. Populate both record_type and srecord_type if needed. (delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN in srecord_type. (fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT} and DECL_FIELD_OFFSET. (scan_sharing_clauses): Adjust install_var_field callers. For firstprivate clauses on explicit tasks allocate the var by value in record_type unconditionally, rather than by reference. Handle OMP_CLAUSE_PRIVATE_OUTER_REF. Scan OMP_CLAUSE_LASTPRIVATE_STMT. Use is_taskreg_ctx instead of is_parallel_ctx. Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. (create_omp_child_function_name): Add task_copy argument, use *_omp_cpyfn* names if it is true. (create_omp_child_function): Add task_copy argument, if true create *_omp_cpyfn* helper function. (scan_omp_parallel): Adjust create_omp_child_function callers. Rename parallel_nesting_level to taskreg_nesting_level. (scan_omp_task): New function. (lower_rec_input_clauses): Don't run constructors for firstprivate explicit task vars which are initialized by *_omp_cpyfn*. Pass outer var ref to omp_clause_default_ctor hook if OMP_CLAUSE_PRIVATE_OUTER_REF or OMP_CLAUSE_LASTPRIVATE. Replace OMP_CLAUSE_REDUCTION_PLACEHOLDER decls in OMP_CLAUSE_REDUCTION_INIT. (lower_send_clauses): Clear DECL_ABSTRACT_ORIGIN if in task to avoid duplicate setting of fields. Handle OMP_CLAUSE_PRIVATE_OUTER_REF. (lower_send_shared_vars): Use srecord_type if non-NULL. Don't copy-out if TREE_READONLY, only copy-in. (expand_task_copyfn): New function. (expand_task_call): New function. (struct omp_taskcopy_context): New type. (task_copyfn_copy_decl, task_copyfn_remap_type, create_task_copyfn): New functions. (lower_omp_parallel): Rename to... (lower_omp_taskreg): ... this. Use OMP_TASKREG_* macros where needed. Call create_task_copyfn if srecord_type is needed. Adjust sender_decl type. (task_shared_vars): New variable. (check_omp_nesting_restrictions): Warn if work-sharing, barrier, master or ordered region is closely nested inside OMP_TASK. Add warnings for barrier if closely nested inside of work-sharing, ordered, or master region. (scan_omp_1): Call check_omp_nesting_restrictions even for GOMP_barrier calls. Rename parallel_nesting_level to taskreg_nesting_level. Handle OMP_TASK. (lower_lastprivate_clauses): Even if some lastprivate is found on a work-sharing construct, continue looking for them on parent parallel construct. (lower_omp_for_lastprivate): Add lastprivate clauses to the beginning of dlist rather than end. Adjust for struct omp_for_data changes. (lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY, not after it. Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller. (get_ws_args_for): Adjust extract_omp_for_data caller. (scan_omp_for): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. (lower_omp_single_simple): If libgomp function doesn't return boolean_type_node, add comparison of the return value with 0. (diagnose_sb_1, diagnose_sb_2): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. Handle OMP_TASK. (parallel_nesting_level): Rename to... (taskreg_nesting_level): ... this. (is_taskreg_ctx): New function. (build_outer_var_ref, omp_copy_decl): Use is_taskreg_ctx instead of is_parallel_ctx. (execute_lower_omp): Rename parallel_nesting_level to taskreg_nesting_level. (expand_omp_parallel): Rename to... (expand_omp_taskreg): ... this. Use OMP_TASKREG_* macros where needed. Call omp_task_call for OMP_TASK regions. (expand_omp): Adjust caller, handle OMP_TASK. (lower_omp_1): Adjust lower_omp_taskreg caller, handle OMP_TASK. * bitmap.c (bitmap_default_obstack_depth): New variable. (bitmap_obstack_initialize, bitmap_obstack_release): Do nothing if argument is NULL and bitmap_default_obstack is already initialized. * ipa-struct-reorg.c (do_reorg_1): Call bitmap_obstack_release at the end. * matrix-reorg.c (matrix_reorg): Likewise. cp/ * cp-tree.h (cxx_omp_finish_clause, cxx_omp_create_clause_info, dependent_omp_for_p, begin_omp_task, finish_omp_task, finish_omp_taskwait): New prototypes. (cxx_omp_clause_default_ctor): Add outer argument. (finish_omp_for): Add new clauses argument. * cp-gimplify.c (cxx_omp_finish_clause): New function. (cxx_omp_predetermined_sharing): Moved from semantics.c, rewritten. (cxx_omp_clause_default_ctor): Add outer argument. (cp_genericize_r): Walk OMP_CLAUSE_LASTPRIVATE_STMT. * cp-objcp-common.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define. * parser.c (cp_parser_omp_for_loop): Parse collapsed for loops. Add par_clauses argument. If decl is present in parallel's lastprivate clause, change that clause to shared and add a lastprivate clause for decl to OMP_FOR_CLAUSES. Fix wording of error messages. Adjust finish_omp_for caller. Add clauses argument. Parse loops with random access iterators. (cp_parser_omp_clause_collapse, cp_parser_omp_clause_untied): New functions. (cp_parser_omp_for, cp_parser_omp_parallel): Adjust cp_parser_omp_for_loop callers. (cp_parser_omp_for_cond, cp_parser_omp_for_incr): New helper functions. (cp_parser_omp_clause_name): Handle collapse and untied clauses. (cp_parser_omp_clause_schedule): Handle auto schedule. (cp_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE and PRAGMA_OMP_CLAUSE_UNTIED. (OMP_FOR_CLAUSE_MASK): Add PRAGMA_OMP_CLAUSE_COLLAPSE. (OMP_TASK_CLAUSE_MASK): Define. (cp_parser_omp_task, cp_parser_omp_taskwait): New functions. (cp_parser_omp_construct): Handle PRAGMA_OMP_TASK. (cp_parser_pragma): Handle PRAGMA_OMP_TASK and PRAGMA_OMP_TASKWAIT. * pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Handle OMP_CLAUSE_LASTPRIVATE_STMT. (tsubst_omp_for_iterator): New function. (dependent_omp_for_p): New function. (tsubst_expr) <case OMP_FOR>: Use it. Handle collapsed OMP_FOR loops. Adjust finish_omp_for caller. Handle loops with random access iterators. Adjust for OMP_FOR_{INIT,COND,INCR} changes. (tsubst_expr): Handle OMP_TASK. * semantics.c (cxx_omp_create_clause_info): New function. (finish_omp_clauses): Call it. Handle OMP_CLAUSE_UNTIED and OMP_CLAUSE_COLLAPSE. (cxx_omp_predetermined_sharing): Removed. * semantics.c (finish_omp_for): Allow pointer iterators. Use handle_omp_for_class_iterator and dependent_omp_for_p. Handle collapsed for loops. Adjust c_finish_omp_for caller. Add new clauses argument. Fix check for type dependent cond or incr. Set OMP_FOR_CLAUSES to clauses. Use cp_convert instead of fold_convert to convert incr amount to difference_type. Only fold if not in template. If decl is mentioned in lastprivate clause, set OMP_CLAUSE_LASTPRIVATE_STMT. Handle loops with random access iterators. Adjust for OMP_FOR_{INIT,COND,INCR} changes. (finish_omp_threadprivate): Allow static class members of the current class. (handle_omp_for_class_iterator, begin_omp_task, finish_omp_task, finish_omp_taskwait): New functions. * parser.c (cp_parser_binary_expression): Add prec argument. (cp_parser_assignment_expression): Adjust caller. * cp-tree.h (outer_curly_brace_block): New prototype. * decl.c (outer_curly_brace_block): No longer static. fortran/ * scanner.c (skip_free_comments, skip_fixed_comments): Handle tabs. * parse.c (next_free): Allow tab after !$omp. (decode_omp_directive): Handle !$omp task, !$omp taskwait and !$omp end task. (case_executable): Add ST_OMP_TASKWAIT. (case_exec_markers): Add ST_OMP_TASK. (gfc_ascii_statement): Handle ST_OMP_TASK, ST_OMP_END_TASK and ST_OMP_TASKWAIT. (parse_omp_structured_block, parse_executable): Handle ST_OMP_TASK. * gfortran.h (gfc_find_sym_in_expr): New prototype. (gfc_statement): Add ST_OMP_TASK, ST_OMP_END_TASK and ST_OMP_TASKWAIT. (gfc_omp_clauses): Add OMP_SCHED_AUTO to sched_kind, OMP_DEFAULT_FIRSTPRIVATE to default_sharing. Add collapse and untied fields. (gfc_exec_op): Add EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * f95-lang.c (LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, LANG_HOOKS_OMP_CLAUSE_DTOR, LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define. * trans.h (gfc_omp_clause_default_ctor): Add another argument. (gfc_omp_clause_copy_ctor, gfc_omp_clause_assign_op, gfc_omp_clause_dtor, gfc_omp_private_outer_ref): New prototypes. * types.def (BT_ULONGLONG, BT_PTR_ULONGLONG, BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_VOID_PTR_PTR, BT_PTR_FN_VOID_PTR_PTR, BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New. (BT_BOOL): Use integer type with BOOL_TYPE_SIZE rather than boolean_type_node. * dump-parse-tree.c (gfc_show_omp_node): Handle EXEC_OMP_TASK, EXEC_OMP_TASKWAIT, OMP_SCHED_AUTO, OMP_DEFAULT_FIRSTPRIVATE, untied and collapse clauses. (gfc_show_code_node): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * trans.c (gfc_trans_code): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * st.c (gfc_free_statement): Likewise. * resolve.c (gfc_resolve_blocks, resolve_code): Likewise. (find_sym_in_expr): Rename to... (gfc_find_sym_in_expr): ... this. No longer static. (resolve_allocate_expr, resolve_ordinary_assign): Adjust caller. * match.h (gfc_match_omp_task, gfc_match_omp_taskwait): New prototypes. * openmp.c (resolve_omp_clauses): Allow allocatable arrays in firstprivate, lastprivate, reduction, copyprivate and copyin clauses. (omp_current_do_code): Made static. (omp_current_do_collapse): New variable. (gfc_resolve_omp_do_blocks): Compute omp_current_do_collapse, clear omp_current_do_code and omp_current_do_collapse on return. (gfc_resolve_do_iterator): Handle collapsed do loops. (resolve_omp_do): Likewise, diagnose errorneous collapsed do loops. (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): Define. (gfc_match_omp_clauses): Handle default (firstprivate), schedule (auto), untied and collapse (n) clauses. (OMP_DO_CLAUSES): Add OMP_CLAUSE_COLLAPSE. (OMP_TASK_CLAUSES): Define. (gfc_match_omp_task, gfc_match_omp_taskwait): New functions. * trans-openmp.c (gfc_omp_private_outer_ref): New function. (gfc_omp_clause_default_ctor): Add outer argument. For allocatable arrays allocate them with the bounds of the outer var if outer var is allocated. (gfc_omp_clause_copy_ctor, gfc_omp_clause_assign_op, gfc_omp_clause_dtor): New functions. (gfc_trans_omp_array_reduction): If decl is allocatable array, allocate it with outer var's bounds in OMP_CLAUSE_REDUCTION_INIT and deallocate it in OMP_CLAUSE_REDUCTION_MERGE. (gfc_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED for assumed-size arrays. (gfc_trans_omp_do): Add par_clauses argument. If dovar is present in lastprivate clause and do loop isn't simple, set OMP_CLAUSE_LASTPRIVATE_STMT. If dovar is present in parallel's lastprivate clause, change it to shared and add lastprivate clause to OMP_FOR_CLAUSES. Handle collapsed do loops. (gfc_trans_omp_directive): Adjust gfc_trans_omp_do callers. (gfc_trans_omp_parallel_do): Likewise. Move collapse clause to OMP_FOR from OMP_PARALLEL. (gfc_trans_omp_clauses): Handle OMP_SCHED_AUTO, OMP_DEFAULT_FIRSTPRIVATE, untied and collapse clauses. (gfc_trans_omp_task, gfc_trans_omp_taskwait): New functions. (gfc_trans_omp_directive): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. gcc/testsuite/ * gcc.dg/gomp/collapse-1.c: New test. * gcc.dg/gomp/nesting-1.c: New test. * g++.dg/gomp/task-1.C: New test. * g++.dg/gomp/predetermined-1.C: New test. * g++.dg/gomp/tls-4.C: New test. * gfortran.dg/gomp/collapse1.f90: New test. * gfortran.dg/gomp/sharing-3.f90: New test. * gcc.dg/gomp/pr27499.c (foo): Remove is unsigned dg-warning. * g++.dg/gomp/pr27499.C (foo): Likewise. * g++.dg/gomp/for-16.C (foo): Likewise. * g++.dg/gomp/tls-3.C: Remove dg-error, add S::s definition. * g++.dg/gomp/pr34607.C: Adjust dg-error location. * g++.dg/gomp/for-16.C (foo): Add a new dg-error. * gcc.dg/gomp/appendix-a/a.35.4.c: Add dg-warning. * gcc.dg/gomp/appendix-a/a.35.6.c: Likewise. * gfortran.dg/gomp/appendix-a/a.35.4.f90: Likewise. * gfortran.dg/gomp/appendix-a/a.35.6.f90: Likewise. * gfortran.dg/gomp/omp_parse1.f90: Remove !$omp tab test. * gfortran.dg/gomp/appendix-a/a.33.4.f90: Remove dg-error about allocatable array. * gfortran.dg/gomp/reduction1.f90: Likewise. libgomp/ * configure.ac (LIBGOMP_GNU_SYMBOL_VERSIONING): New AC_DEFINE. Substitute also OMP_*LOCK_25*. * configure: Regenerated. * config.h.in: Regenerated. * Makefile.am (libgomp_la_SOURCES): Add loop_ull.c, iter_ull.c, ptrlock.c and task.c. * Makefile.in: Regenerated. * testsuite/Makefile.in: Regenerated. * task.c: New file. * loop_ull.c: New file. * iter_ull.c: New file. * libgomp.h: Include ptrlock.h. (enum gomp_task_kind): New type. (struct gomp_team): Add task_lock, task_queue, task_count, task_running_count, single_count fields. Add work_share_list_free_lock ifndef HAVE_SYNC_BUILTINS. Remove work_share_lock, generation_mask, oldest_live_gen, num_live_gen and init_work_shares fields, add work work_share_list_alloc, work_share_list_free and work_share_chunk fields. Change work_shares from pointer to pointers into an array. Change ordered_release field into gomp_sem_t ** from flexible array member. Add implicit_task and initial_work_shares fields. Move close to the end of the struct. (struct gomp_team_state): Add single_count, last_work_share, active_level and level fields, remove work_share_generation. (gomp_barrier_handle_tasks): New prototype. (gomp_finish_task): New inline function. (struct gomp_work_share): Move chunk_size, end, incr into transparent union/struct, add chunk_size_ull, end_ll, incr_ll and next_ll fields. Reshuffle fields. Add next_alloc, next_ws, next_free and inline_ordered_team_ids fields, change ordered_team_ids into pointer from flexible array member. Add mode field. Put lock and next into a different cache line from most of the write-once fields. (gomp_iter_ull_static_next, gomp_iter_ull_dynamic_next_locked, gomp_iter_ull_guided_next_locked, gomp_iter_ull_dynamic_next, gomp_iter_ull_guided_next): New prototypes. (gomp_new_icv): New prototype. (struct gomp_thread): Add thread_pool and task fields. (struct gomp_thread_pool): New type. (gomp_new_team): New prototype. (gomp_team_start): Change type of last argument. (gomp_new_work_share): Removed. (gomp_init_work_share, gomp_fini_work_share): New prototypes. (gomp_work_share_init_done): New static inline. (gomp_throttled_spin_count_var, gomp_available_cpus, gomp_managed_threads): New extern decls. (gomp_init_task): New prototype. (gomp_spin_count_var): New extern var decl. (LIBGOMP_GNU_SYMBOL_VERSIONING): Undef if no visibility or no alias support, or if not PIC. (gomp_init_lock_30, gomp_destroy_lock_30, gomp_set_lock_30, gomp_unset_lock_30, gomp_test_lock_30, gomp_init_nest_lock_30, gomp_destroy_nest_lock_30, gomp_set_nest_lock_30, gomp_unset_nest_lock_30, gomp_test_nest_lock_30, gomp_init_lock_25, gomp_destroy_lock_25, gomp_set_lock_25, gomp_unset_lock_25, gomp_test_lock_25, gomp_init_nest_lock_25, gomp_destroy_nest_lock_25, gomp_set_nest_lock_25, gomp_unset_nest_lock_25, gomp_test_nest_lock_25): New prototypes. (omp_lock_symver, strong_alias): Define. (gomp_remaining_threads_count, gomp_remaining_threads_lock): New decls. (gomp_end_task): New. (struct gomp_task_icv, gomp_global_icv): New. (gomp_thread_limit_var, gomp_max_active_levels_var): New. (struct gomp_task): New. (gomp_nthreads_var, gomp_dyn_var, gomp_nest_var, gomp_run_sched_var, gomp_run_sched_chunk): Remove. (gomp_icv): New. (gomp_schedule_type): Reorder enum to match omp_sched_t. * team.c (struct gomp_thread_start_data): Add thread_pool and task fields. (gomp_thread_start): Add gomp_team_barrier_wait call. For non-nested case remove clearing of docked thread thr fields. Use pool fields instead of global gomp_* variables. Use gomp_barrier_wait_last when needed. Initialize ts.active_level. Create tasks for each member thread. (free_team): Only destroy team barrier, task_lock here and free it. (gomp_free_thread): Free last_team if non-NULL. (gomp_team_end): Call gomp_team_barrier_wait instead of gomp_barrier_wait. For nested case call one extra gomp_barrier_wait. Move here some destruction from free_team. Call free_team on pool->last_team if any, rather than freeing current team. Destroy work_share_list_free_lock ifndef HAVE_SYNC_BUILTINS. (gomp_new_icv): New function. (gomp_threads, gomp_threads_size, gomp_threads_used, gomp_threads_dock): Removed. (gomp_thread_destructor): New variable. (gomp_new_thread_pool, gomp_free_pool_helper, gomp_free_thread): New functions. (gomp_team_start): Create new pool if current thread doesn't have one. Use pool fields instead of global gomp_* variables. Initialize thread_pool field for new threads. Clear single_count. Change last argument from ws to team, don't create new team, set ts.work_share to &team->work_shares[0] and clear ts.last_work_share. Don't clear ts.work_share_generation. If number of threads changed, adjust atomically gomp_managed_threads. Use gomp_init_task instead of gomp_new_task, set thr->task to the corresponding implicit_task array entry. Create tasks for each member thread. Initialize ts.level. (initialize_team): Call pthread_key_create on gomp_thread_destructor. (team_destructor): New function. (new_team): Removed. (gomp_new_team): New function. (free_team): Free gomp_work_share blocks chained through next_alloc, instead of freeing work_shares and destroying work_share_lock. (gomp_team_end): Call gomp_fini_work_share. If number of threads changed, adjust atomically gomp_managed_threads. Use gomp_end_task. * barrier.c (GOMP_barrier): Call gomp_team_barrier_wait instead of gomp_barrier_wait. * single.c (GOMP_single_copy_start): Call gomp_team_barrier_wait instead of gomp_barrier_wait. Call gomp_work_share_init_done if gomp_work_share_start returned true. Don't unlock ws->lock. (GOMP_single_copy_end): Call gomp_team_barrier_wait instead of gomp_barrier_wait. (GOMP_single_start): Rewritten if HAVE_SYNC_BUILTINS. Call gomp_work_share_init_done if gomp_work_share_start returned true. Don't unlock ws->lock. * work.c: Include stddef.h. (free_work_share): Use work_share_list_free_lock instead of atomic chaining ifndef HAVE_SYNC_BUILTINS. Add team argument. Call gomp_fini_work_share and then either free ws if orphaned, or put it into work_share_list_free list of the current team. (alloc_work_share, gomp_init_work_share, gomp_fini_work_share): New functions. (gomp_work_share_start, gomp_work_share_end, gomp_work_share_end_nowait): Rewritten. * omp_lib.f90.in Change some tabs to spaces to prevent warnings. (openmp_version): Set to 200805. (omp_sched_kind, omp_sched_static, omp_sched_dynamic, omp_sched_guided, omp_sched_auto): New parameters. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New interfaces. * omp_lib.h.in (openmp_version): Set to 200805. (omp_sched_kind, omp_sched_static, omp_sched_dynamic, omp_sched_guided, omp_sched_auto): New parameters. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New externals. * loop.c: Include limits.h. (GOMP_loop_runtime_next, GOMP_loop_ordered_runtime_next): Handle GFS_AUTO. (GOMP_loop_runtime_start, GOMP_loop_ordered_runtime_start): Likewise. Use gomp_icv. (gomp_loop_static_start, gomp_loop_dynamic_start): Clear ts.static_trip here. (gomp_loop_static_start, gomp_loop_ordered_static_start): Call gomp_work_share_init_done after gomp_loop_init. Don't unlock ws->lock. (gomp_loop_dynamic_start, gomp_loop_guided_start): Call gomp_work_share_init_done after gomp_loop_init. If HAVE_SYNC_BUILTINS, don't unlock ws->lock, otherwise lock it. (gomp_loop_ordered_dynamic_start, gomp_loop_ordered_guided_start): Call gomp_work_share_init_done after gomp_loop_init. Lock ws->lock. (gomp_parallel_loop_start): Call gomp_new_team instead of gomp_new_work_share. Call gomp_loop_init on &team->work_shares[0]. Adjust gomp_team_start caller. Pass 0 as second argument to gomp_resolve_num_threads. (gomp_loop_init): For GFS_DYNAMIC, multiply ws->chunk_size by incr. If adding ws->chunk_size nthreads + 1 times after end won't overflow, set ws->mode to 1. * libgomp_g.h (GOMP_loop_ull_static_start, GOMP_loop_ull_dynamic_start, GOMP_loop_ull_guided_start, GOMP_loop_ull_runtime_start, GOMP_loop_ull_ordered_static_start, GOMP_loop_ull_ordered_dynamic_start, GOMP_loop_ull_ordered_guided_start, GOMP_loop_ull_ordered_runtime_start, GOMP_loop_ull_static_next, GOMP_loop_ull_dynamic_next, GOMP_loop_ull_guided_next, GOMP_loop_ull_runtime_next, GOMP_loop_ull_ordered_static_next, GOMP_loop_ull_ordered_dynamic_next, GOMP_loop_ull_ordered_guided_next, GOMP_loop_ull_ordered_runtime_next, GOMP_task, GOMP_taskwait): New prototypes. * libgomp.map: Export lock routines also @@OMP_2.0. (GOMP_loop_ordered_dynamic_first, GOMP_loop_ordered_guided_first, GOMP_loop_ordered_runtime_first, GOMP_loop_ordered_static_first): Remove. (GOMP_loop_ull_dynamic_next, GOMP_loop_ull_dynamic_start, GOMP_loop_ull_guided_next, GOMP_loop_ull_guided_start, GOMP_loop_ull_ordered_dynamic_next, GOMP_loop_ull_ordered_dynamic_start, GOMP_loop_ull_ordered_guided_next, GOMP_loop_ull_ordered_guided_start, GOMP_loop_ull_ordered_runtime_next, GOMP_loop_ull_ordered_runtime_start, GOMP_loop_ull_ordered_static_next, GOMP_loop_ull_ordered_static_start, GOMP_loop_ull_runtime_next, GOMP_loop_ull_runtime_start, GOMP_loop_ull_static_next, GOMP_loop_ull_static_start, GOMP_task, GOMP_taskwait): Export @@GOMP_2.0. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level, omp_set_schedule_, omp_set_schedule_8_, omp_get_schedule_, omp_get_schedule_8_, omp_get_thread_limit_, omp_set_max_active_levels_, omp_set_max_active_levels_8_, omp_get_max_active_levels_, omp_get_level_, omp_get_ancestor_thread_num_, omp_get_ancestor_thread_num_8_, omp_get_team_size_, omp_get_team_size_8_, omp_get_active_level_): New exports @@OMP_3.0. * omp.h.in (omp_sched_t): New type. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New prototypes. * env.c (gomp_spin_count_var, gomp_throttled_spin_count_var, gomp_available_cpus, gomp_managed_threads, gomp_max_active_levels_var, gomp_thread_limit_var, gomp_remaining_threads_count, gomp_remaining_threads_lock): New variables. (parse_spincount): New function. (initialize_env): Call gomp_init_num_threads unconditionally. Initialize gomp_available_cpus. Call parse_spincount, initialize gomp_{,throttled_}spin_count_var depending on presence and value of OMP_WAIT_POLICY and GOMP_SPINCOUNT env vars. Handle GOMP_BLOCKTIME env var. Handle OMP_WAIT_POLICY, OMP_MAX_ACTIVE_LEVELS, OMP_THREAD_LIMIT, OMP_STACKSIZE env vars. Handle unit specification for GOMP_STACKSIZE. Initialize gomp_remaining_threads_count and gomp_remaining_threads_lock if needed. Use gomp_global_icv. (gomp_nthreads_var, gomp_dyn_var, gomp_nest_var, gomp_run_sched_var, gomp_run_sched_chunk): Remove. (gomp_global_icv): New. (parse_schedule): Use it. Parse "auto". (omp_set_num_threads): Use gomp_icv. (omp_set_dynamic, omp_get_dynamic, omp_set_nested, omp_get_nested): Likewise. (omp_get_max_threads): Move from parallel.c. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels): New functions, add ialias. (parse_stacksize, parse_wait_policy): New functions. * fortran.c: Rewrite lock wrappers, if symbol versioning provide both wrappers for compatibility and new locks. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New ialias_redirect. (omp_set_schedule_, omp_set_schedule_8_, omp_get_schedule_, omp_get_schedule_8_, omp_get_thread_limit_, omp_set_max_active_levels_, omp_set_max_active_levels_8_, omp_get_max_active_levels_, omp_get_level_, omp_get_ancestor_thread_num_, omp_get_ancestor_thread_num_8_, omp_get_team_size_, omp_get_team_size_8_, omp_get_active_level_): New functions. * parallel.c: Include limits.h. (gomp_resolve_num_threads): Add count argument. Rewritten. (GOMP_parallel_start): Call gomp_new_team and pass that as last argument to gomp_team_start. Pass 0 as second argument to gomp_resolve_num_threads. (GOMP_parallel_end): Decrease gomp_remaining_threads_count if gomp_thread_limit_var != ULONG_MAX. (omp_in_parallel): Implement using ts.active_level. (omp_get_max_threads): Move to env.c. (omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New functions, add ialias. * sections.c (GOMP_sections_start): Call gomp_work_share_init_done after gomp_sections_init. If HAVE_SYNC_BUILTINS, call gomp_iter_dynamic_next instead of the _locked variant and don't take lock around it, otherwise acquire it before calling gomp_iter_dynamic_next_locked. (GOMP_sections_next): If HAVE_SYNC_BUILTINS, call gomp_iter_dynamic_next instead of the _locked variant and don't take lock around it. (GOMP_parallel_sections_start): Call gomp_new_team instead of gomp_new_work_share. Call gomp_sections_init on &team->work_shares[0]. Adjust gomp_team_start caller. Pass count as second argument to gomp_resolve_num_threads, don't adjust num_threads after the call. Use gomp_icv. * iter.c (gomp_iter_dynamic_next_locked): Don't multiply ws->chunk_size by incr. (gomp_iter_dynamic_next): Likewise. If ws->mode, use more efficient code. * libgomp_f.h.in (omp_lock_25_arg_t, omp_nest_lock_25_arg_t): New types. (omp_lock_25_arg, omp_nest_lock_25_arg): New macros. (omp_check_defines): Check even the compat defines. * config/linux/ptrlock.c: New file. * config/linux/ptrlock.h: New file. * config/linux/wait.h: New file. * config/posix/ptrlock.c: New file. * config/posix/ptrlock.h: New file. * config/linux/bar.h (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New prototypes. (gomp_team_barrier_set_task_pending, gomp_team_barrier_clear_task_pending, gomp_team_barrier_set_waiting_for_tasks, gomp_team_barrier_waiting_for_tasks, gomp_team_barrier_done): New inlines. (gomp_barrier_t): Rewritten. (gomp_barrier_state_t): New typedef. (gomp_barrier_init, gomp_barrier_reinit, gomp_barrier_destroy, gomp_barrier_wait_start): Rewritten. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_barrier_last_thread, gomp_barrier_wait_last): New static inlines. * config/linux/bar.c: Include wait.h instead of libgomp.h and futex.h. (gomp_barrier_wait_end): Rewritten. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake, gomp_barrier_wait_last): New functions. * config/posix/bar.h (gomp_barrier_t): Add generation field. (gomp_barrier_state_t): New typedef. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New prototypes. (gomp_barrier_wait_start): Or all but low 2 bits from generation into the return value. Return gomp_barrier_state_t. (gomp_team_barrier_set_task_pending, gomp_team_barrier_clear_task_pending, gomp_team_barrier_set_waiting_for_tasks, gomp_team_barrier_waiting_for_tasks, gomp_team_barrier_done): New inlines. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_barrier_last_thread, gomp_barrier_wait_last): New static inlines. * config/posix/bar.c (gomp_barrier_init): Clear generation field. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New functions. * config/linux/mutex.c: Include wait.h instead of libgomp.h and futex.h. (gomp_futex_wake, gomp_futex_wait): New variables. (gomp_mutex_lock_slow): Call do_wait instead of futex_wait. * config/linux/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. Include wait.h instead of libgomp.h and futex.h. (gomp_set_nest_lock_25): Call do_wait instead of futex_wait. * config/posix95/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. * config/posix/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. * config/linux/proc.c (gomp_init_num_threads): Use gomp_global_icv. (get_num_procs, gomp_dynamic_max_threads): Use gomp_icv. * config/posix/proc.c, config/mingw32/proc.c: Similarly. * config/linux/powerpc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/alpha/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/x86/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/s390/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/ia64/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/sparc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/sem.c: Include wait.h instead of libgomp.h and futex.h. (gomp_sem_wait_slow): Call do_wait instead of futex_wait. * config/linux/affinity.c: Assume HAVE_SYNC_BUILTINS. * config/linux/omp-lock.h (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_nest_lock_t): Change owner into void *, add lock field. * config/posix95/omp-lock.h: Include semaphore.h. (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_lock_t): Use sem_t instead of mutex if semaphores aren't broken. (omp_nest_lock_t): Likewise. Change owner to void *. * config/posix/omp-lock.h: Include semaphore.h. (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_lock_t): Use sem_t instead of mutex if semaphores aren't broken. (omp_nest_lock_t): Likewise. Add owner field. * testsuite/libgomp.c/collapse-1.c: New test. * testsuite/libgomp.c/collapse-2.c: New test. * testsuite/libgomp.c/collapse-3.c: New test. * testsuite/libgomp.c/icv-1.c: New test. * testsuite/libgomp.c/icv-2.c: New test. * testsuite/libgomp.c/lib-2.c: New test. * testsuite/libgomp.c/lock-1.c: New test. * testsuite/libgomp.c/lock-2.c: New test. * testsuite/libgomp.c/lock-3.c: New test. * testsuite/libgomp.c/loop-4.c: New test. * testsuite/libgomp.c/loop-5.c: New test. * testsuite/libgomp.c/loop-6.c: New test. * testsuite/libgomp.c/loop-7.c: New test. * testsuite/libgomp.c/loop-8.c: New test. * testsuite/libgomp.c/loop-9.c: New test. * testsuite/libgomp.c/nested-3.c: New test. * testsuite/libgomp.c/nestedfn-6.c: New test. * testsuite/libgomp.c/sort-1.c: New test. * testsuite/libgomp.c/task-1.c: New test. * testsuite/libgomp.c/task-2.c: New test. * testsuite/libgomp.c/task-3.c: New test. * testsuite/libgomp.c/task-4.c: New test. * testsuite/libgomp.c++/c++.exp: Add libstdc++-v3 build includes to C++ testsuite default compiler options. * testsuite/libgomp.c++/collapse-1.C: New test. * testsuite/libgomp.c++/collapse-2.C: New test. * testsuite/libgomp.c++/ctor-10.C: New test. * testsuite/libgomp.c++/for-1.C: New test. * testsuite/libgomp.c++/for-2.C: New test. * testsuite/libgomp.c++/for-3.C: New test. * testsuite/libgomp.c++/for-4.C: New test. * testsuite/libgomp.c++/for-5.C: New test. * testsuite/libgomp.c++/loop-8.C: New test. * testsuite/libgomp.c++/loop-9.C: New test. * testsuite/libgomp.c++/loop-10.C: New test. * testsuite/libgomp.c++/task-1.C: New test. * testsuite/libgomp.c++/task-2.C: New test. * testsuite/libgomp.c++/task-3.C: New test. * testsuite/libgomp.c++/task-4.C: New test. * testsuite/libgomp.c++/task-5.C: New test. * testsuite/libgomp.c++/task-6.C: New test. * testsuite/libgomp.fortran/allocatable1.f90: New test. * testsuite/libgomp.fortran/allocatable2.f90: New test. * testsuite/libgomp.fortran/allocatable3.f90: New test. * testsuite/libgomp.fortran/allocatable4.f90: New test. * testsuite/libgomp.fortran/collapse1.f90: New test. * testsuite/libgomp.fortran/collapse2.f90: New test. * testsuite/libgomp.fortran/collapse3.f90: New test. * testsuite/libgomp.fortran/collapse4.f90: New test. * testsuite/libgomp.fortran/lastprivate1.f90: New test. * testsuite/libgomp.fortran/lastprivate2.f90: New test. * testsuite/libgomp.fortran/lib4.f90: New test. * testsuite/libgomp.fortran/lock-1.f90: New test. * testsuite/libgomp.fortran/lock-2.f90: New test. * testsuite/libgomp.fortran/nested1.f90: New test. * testsuite/libgomp.fortran/nestedfn4.f90: New test. * testsuite/libgomp.fortran/strassen.f90: New test. * testsuite/libgomp.fortran/tabs1.f90: New test. * testsuite/libgomp.fortran/tabs2.f: New test. * testsuite/libgomp.fortran/task1.f90: New test. * testsuite/libgomp.fortran/task2.f90: New test. * testsuite/libgomp.fortran/vla4.f90: Add dg-warning. * testsuite/libgomp.fortran/vla5.f90: Likewise. * testsuite/libgomp.c/pr26943-2.c: Likewise. * testsuite/libgomp.c/pr26943-3.c: Likewise. * testsuite/libgomp.c/pr26943-4.c: Likewise. Co-Authored-By: Jakob Blomer <jakob.blomer@ira.uka.de> Co-Authored-By: Richard Henderson <rth@redhat.com> Co-Authored-By: Ulrich Drepper <drepper@redhat.com> From-SVN: r136433
2008-06-06 15:01:54 +02:00
int
omp_get_level (void)
{
return gomp_thread ()->ts.level;
}
[multiple changes] 2006-01-18 Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * libgomp: New directory. * Makefile.def: Add target_module libgomp. * Makefile.in: Regenerate. * configure.in (target_libraries): Add target-libgomp. * configure: Regenerate. contrib/ 2006-01-18 Richard Henderson <rth@redhat.com> Diego Novillo <dnovillo@redhat.com> * gcc_update (files_and_dependencies): Add libgomp files. gcc/ 2006-01-18 Richard Henderson <rth@redhat.com> Aldy Hernandez <aldyh@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * omp-low.c: New file. * c-omp.c: New file. 2006-01-18 Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * doc/invoke.texi: Document -fopenmp. * tree-dump.h (debug_function): Declare. * hooks.c (hook_bool_tree_bool_false): New function. (hook_tree_tree_null): Remove. (hook_tree_tree_tree_null): New. * hooks.h: Update to match. * tree-pretty-print.c (debug_tree_chain): New. (print_generic_expr): Handle TDF_CHAIN. (dump_generic_node): Handle BLOCK. Do not abort with incomplete SWITCH_EXPRs. Do not dump body of an OpenMP directive if TDF_SLIM is given. <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't print space after directive name. <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY. Handle OMP_MASTER and OMP_ORDERED. Handle printing of OMP_BODY just in one place, goto dump_omp_body in the rest of OMP_* nodes that have OMP_BODY. Don't handle clause nodes here. Update omp statements to use dump_omp_clauses. Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION, OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC, OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF, GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED, GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE, GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE. Adjust output for GOMP_PARALLEL. (dump_omp_clauses): New. (print_declaration): Dump DECL_VALUE_EXPR. (op_symbol_1): Split out of op_symbol. (dumping_stmts): Remove. Update all users. * cgraph.c (cgraph_analyze_queue): New. (cgraph_add_new_function): New. * cgraph.h (cgraph_analyze_queue): Declare. (cgraph_add_new_function): Declare. (cgraph_lower_function): Remove. * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_* nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS and TYPE_P nodes in its default clause. (empty_body_p): New. (tree_range_check_failed): New. (build5_stat): New. * tree.h (OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE, OMP_CLAUSE_REDUCTION_PLACEHOLDER, OMP_CLAUSE_PRIVATE_DEBUG, OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY, OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY, OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND, OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL, OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR, OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT, OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT, OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC, OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST, OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY, OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY, OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New. (TREE_RANGE_CHECK): New. (empty_body_p): Declare. (enum omp_clause_default_kind): New. (build_string_literal): Declare. (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New. (build5_stat, build5): Declare. * tree-pass.h (TDF_CHAIN): Define. * tree-pass.h (PROP_gimple_lomp): Define. (pass_lower_omp): Declare. * diagnostic.h (debug_tree_chain): Declare. * builtins.c (get_builtin_sync_mode): Use 0 as last argument to mode_for_size. (expand_builtin): Handle sync BUILT_IN_*_16 builtins. * builtins.c (build_string_literal): Make extern. * gcc.c (include_spec_function): New. (static_spec_functions): Add it. (main): Move load of libgomp.spec ... (LINK_COMMAND_SPEC): ... here. (link_gomp_spec): New. (static_specs): Include it. (LINK_COMMAND_SPEC): Add link_gomp. (GOMP_SELF_SPECS): New. (driver_self_specs): Include it. (switch_matches): Don't mark inline. (main): Load libgomp.spec. * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION, and OMP_SINGLE, OMP_FOR and OMP_PARALLEL. * tree-gimple.h (enum omp_parallel): Declare. (determine_parallel_type): Declare. (omp_firstprivatize_variable): Declare. (omp_reduction_init): Declare. (diagnose_omp_structured_block_errors): Declare. (struct walk_stmt_info): Add want_return_expr. (struct walk_stmt_info): Add want_bind_expr, want_locations. (find_omp_clause): Declare. (insert_field_into_struct): Declare. (struct walk_stmt_info): Move from tree-nested.c (walk_stmts): Declare. * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP to 200505. * cgraphunit.c (cgraph_lower_function): Make static. (cgraph_finalize_pending_functions): New. (cgraph_finalize_function): Call it. (cgraph_finalize_compilation_unit): Likewise. * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16, BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add. (BT_FN_UINT_UINT): New. (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7, DEF_FUNCTION_TYPE_VAR_4): Document. (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT, BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR, BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT, BT_FN_VOID_OMPFN_PTR_UINT_UINT, BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR, BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New. * builtins.def: Update DEF_BUILTIN comment to include COND argument. Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins into separate files. (DEF_GOMP_BUILTIN): New. (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER, BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END, BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END, BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START, BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START, BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START, BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START, BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START, BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT, 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_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT, BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END, BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END, BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT, BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END, BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START, BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New. * sync-builtins.def: New file, moved from builtins.def. * omp-builtins.def: New file, moved from builtins.def. * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine. * gimple-low.c (lower_function_body): Clear data. (lower_stmt): Do not handle COMPOUND_EXPR. Remove call to print_node_brief. * c-tree.h (c_finish_omp_clauses): New prototype. (C_DECL_THREADPRIVATE_P): Define. (lookup_name_no_remap, c_omp_remap_private): Remove (c_begin_omp_parallel, c_finish_omp_parallel): Update. (check_for_loop_decls): Update decl. (lookup_name_no_remap, c_omp_remap_private): Declare. (build_indirect_ref, build_modify_expr, pushdecl, pushdecl_top_level): Move to c-common.h. * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp before the switch, but just in the 2 places that need it. * c-decl.c (diagnose_mismatched_decls): Do not check for mismatched thread-local attributes when OLDDECL is marked threadprivate and NEWDECL has no thread-local attributes. (merge_decls): Merge C_DECL_THREADPRIVATE_P. (c_gimple_diagnostics_recursively): Rename from c_warn_unused_result_recursively. Invoke diagnose_omp_structured_block_errors. (check_for_loop_decls): Return a singular decl found. * langhooks.c (lhd_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls. (lhd_omp_firstprivatize_type_sizes): New. (lhd_omp_assignment): New. (lhd_omp_predetermined_sharing): New. * langhooks.h (struct gimplify_omp_ctx): Forward declare. (struct lang_hooks_for_types): Add omp_firstprivatize_type_sizes, omp_privatize_by_reference, omp_predetermined_sharing, omp_disregard_value_expr, omp_private_debug_clause, omp_clause_default_ctor, omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor. (c_finish_omp_clauses): New. (c_finish_bc_stmt): Diagnose break within omp for. (c_begin_omp_parallel, c_finish_omp_parallel): New. (build_unary_op): Return error_mark after reporting a readonly_error. (build_modify_expr): Likewise. * gimplify.c: Include optabs.h and pointer-set.h. (enum gimplify_omp_var_data): Declare. (struct gimplify_omp_ctx): Declare. (struct gimplify_ctx): Add fields prev_context, combined_pre_p and combined_ctxp. (gimplify_ctxp, gimplify_omp_ctxp): New local variables. (push_gimplify_context, pop_gimplify_context): Allow nesting. (splay_tree_compare_decl_uid): New. (new_omp_context): New. (delete_omp_context): New. (gimple_add_tmp_var): Call omp_add_variable. (gimplify_bind_expr): Likewise. (gimplify_var_or_parm_decl): If omp_notice_variable returned true, disregard DECL_VALUE_EXPR on the decl if any. (gimplify_expr_in_ctx): New. (omp_firstprivatize_variable, omp_firstprivatize_type_sizes omp_add_variable, omp_notice_variable, omp_is_private gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1 gimplify_adjust_omp_clauses, gimplify_omp_parallel gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p gimplify_omp_atomic_fetch_op, goa_stabilize_expr gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex gimplify_omp_atomic): New. (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS, OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL and OMP_ATOMIC. (gimplify_body): Verify gimplify_ctxp is empty after gimplification. * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER, PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR, PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED, PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR, PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION, PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE, PRAGMA_OMP_THREADPRIVATE. * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS, OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define. * print-tree.c (print_node): Dump DECL_VALUE_EXPR. * tree-ssa-dce.c (find_control_dependence): Do not assume that ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR). * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for OpenMP directives. (struct nesting_info): Add field_map, suppress_expansion, debug_var_chain. (create_nesting_tree): Initialize them. (lookup_field_for_decl): Use field_map. (get_nonlocal_debug_decl, get_local_debug_decl): New. (convert_local_omp_clauses): New. (finalize_nesting_tree_1): Add debug_var_chain to toplevel block. (walk_body): Split out of walk_function. (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New. (convert_nonlocal_reference): Handle omp statements. (convert_local_reference): Likewise. (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1. (unnest_nesting_tree): New. (lower_nested_functions): Call it. (insert_field_into_struct): Make extern. (struct walk_stmt_info): Move to tree-gimple.h. (walk_stmts): Make extern. * omp-builtins.def: New file. * tree-iterator.c (expr_only): Clarify comment. * c-common.h (pushdecl_top_level, pushdecl, build_modify_expr, build_indirect_ref, c_finish_omp_master, c_finish_omp_critical, c_finish_omp_ordered, c_finish_omp_barrier, c_finish_omp_atomic, c_finish_omp_flush, c_finish_omp_for, c_split_parallel_clauses, omp_clause_default_kind, c_omp_sharing_predetermined, c_omp_remap_decl): Declare. * Makefile.in (BUILTINS_DEF): Add omp-builtins.def. (OBJS-common): Add omp-low.o. (c-omp.o, omp-low.o): Add. (gimplify.o): Add dependency on $(OPTABS_H). (GTFILES): Add omp-low.c. (gt-stringpool.h): Add. * tree-cfg.c (set_bb_for_stmt): Do not update the block-to-labels map if we are currently expanding to RTL. (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P checks. Handle IDENTIFIER_NODE. (tree_verify_flow_info): Do not ICE when emitting error messages about invalid labels. (dump_function_to_file): Reset CFUN before emitting the body of the function. (debug_function): New. * passes.c (init_optimization_passes): Schedule pass_lower_omp. * langhooks-def.h (lhd_omp_predetermined_sharing, lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes): Declare. (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define. (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it. (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE, LANG_HOOKS_OMP_PREDETERMINED_SHARING, LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR, LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE, LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR, LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, LANG_HOOKS_OMP_CLAUSE_DTOR): Define. (LANG_HOOK_DECLS): Use them. 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com> Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * c-parser.c (pragma_omp_clause): Define. (c_parser_declaration_or_fndef): Document OpenMP syntax. (c_parser_compound_statement): Likewise. (c_parser_statement): Likewise. (c_parser_pragma): Handle omp pragmas. (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK, OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define. (c_parser_omp_clause_name, check_no_duplicate_clause, c_parser_omp_variable_list, c_parser_omp_var_list_parens, c_parser_omp_clause_copyin, c_parser_omp_clause_copyprivate, c_parser_omp_clause_default, c_parser_omp_clause_firstprivate, c_parser_omp_clause_if, c_parser_omp_clause_lastprivate, c_parser_omp_clause_nowait, c_parser_omp_clause_num_threads, c_parser_omp_clause_ordered, c_parser_omp_clause_private, c_parser_omp_clause_reduction, c_parser_omp_clause_schedule, c_parser_omp_clause_shared, c_parser_omp_all_clauses, c_parser_omp_structured_block, c_parser_omp_atomic, c_parser_omp_barrier, c_parser_omp_critical, c_parser_omp_flush, c_parser_omp_for_loop, c_parser_omp_for, c_parser_omp_master, c_parser_omp_ordered, c_parser_omp_sections_scope, c_parser_omp_sections, c_parser_omp_parallel, c_parser_omp_single, c_parser_omp_construct, c_parser_omp_threadprivate): New. * c-pragma.c (init_pragma): Do omp pragma registration here. * c.opt (fopenmp): New flag. 2006-01-18 Eric Christopher <echristo@apple.com> * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif. * config/darwin.h (GOMP_SELF_SPECS): Define. testsuite/ 2006-01-18 Richard Henderson <rth@redhat.com> Aldy Hernandez <aldyh@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> Uros Bizjak <uros@kss-loka.si> * testsuite/gcc.dg/gomp: New directory. From-SVN: r109902
2006-01-18 20:21:25 +01:00
c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805. * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805. * langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause. Add omp_private_outer_ref hook, add another argument to omp_clause_default_ctor hook. * langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define. (LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define. (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to hook_tree_tree_tree_tree_null. (LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and LANG_HOOKS_OMP_PRIVATE_OUTER_REF. * hooks.c (hook_tree_tree_tree_tree_null): New function. * hooks.h (hook_tree_tree_tree_tree_null): New prototype. * tree.def (OMP_TASK): New tree code. * tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN, OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT, OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES, OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY, OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG, OMP_CLAUSE_COLLAPSE_EXPR): Define. (enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. (OMP_DIRECTIVE_P): Add OMP_TASK. (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes. (OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind. * tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED entries. (omp_clause_num_ops): Likewise. Increase OMP_CLAUSE_LASTPRIVATE num_ops to 2. (walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Walk OMP_CLAUSE_LASTPRIVATE_STMT. * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. (dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops. * c-omp.c (c_finish_omp_for): Allow pointer iterators. Remove warning about unsigned iterators. Change decl/init/cond/incr arguments to TREE_VECs, check arguments for all collapsed loops. (c_finish_omp_taskwait): New function. (c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to ws_clauses. * c-parser.c (c_parser_omp_for_loop): Parse collapsed loops. Call default_function_array_conversion on init. Add par_clauses argument. If decl is present in parallel's lastprivate clause, change it to shared and add lastprivate clause for decl to OMP_FOR_CLAUSES. Add clauses argument, on success set OMP_FOR_CLAUSES to it. Look up collapse count in clauses. (c_parser_omp_for, c_parser_omp_parallel): Adjust c_parser_omp_for_loop callers. (OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE. (c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT. (c_parser_omp_clause_name): Handle collapse and untied clauses. (c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New functions. (c_parser_omp_clause_schedule): Handle schedule(auto). Include correct location in the error message. (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE and PRAGMA_OMP_CLAUSE_UNTIED. (OMP_TASK_CLAUSE_MASK): Define. (c_parser_omp_task, c_parser_omp_taskwait): New functions. (c_parser_omp_construct): Handle PRAGMA_OMP_TASK. * tree-nested.c (convert_nonlocal_omp_clauses, convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE, OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in OMP_CLAUSE_DECL. (conver_nonlocal_reference, convert_local_reference, convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL. Use OMP_TASKREG_* macros rather than OMP_PARALLEL_*. (walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes. * tree-gimple.c (is_gimple_stmt): Handle OMP_TASK. * c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes. * c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New. (PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New. * c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions. (c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. * c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas. * c-common.h (c_finish_omp_taskwait): New prototype. * gimple-low.c (lower_stmt): Handle OMP_TASK. * tree-parloops.c (create_parallel_loop): Create 1 entry vectors for OMP_FOR_{INIT,COND,INCR}. * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers. (make_edges): Handle OMP_TASK. * tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. * tree-inline.c (estimate_num_insns_1): Handle OMP_TASK. * builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR, BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New. * omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT, BUILT_IN_GOMP_LOOP_ULL_STATIC_START, BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ULL_GUIDED_START, BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins. * gimplify.c (gimplify_omp_for): Allow pointer type for decl, handle POINTER_PLUS_EXPR. If loop counter has been replaced and original iterator is present in lastprivate clause or if collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT. Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. (gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK. (enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF. (omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed, if it is set, lookup var in outer contexts too. Handle OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. Handle vars that are supposed to be implicitly determined firstprivate for task regions. (gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed, if it is set, lookup var in outer contexts too. Set OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set. Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Take region_type as last argument instead of in_parallel and in_combined_parallel. (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare): Adjust callers. (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set. Call omp_finish_clause langhook. (new_omp_context): Set default_kind to OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions. (omp_region_type): New enum. (struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel fields, add region_type. (new_omp_context): Take region_type as argument instead of is_parallel and is_combined_parallel. (gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable, omp_is_private, omp_check_private): Adjust ctx->is_parallel and ctx->is_combined_parallel checks. (gimplify_omp_task): New function. (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. * omp-low.c (extract_omp_for_data): Use schedule(static) for schedule(auto). Handle pointer and unsigned iterators. Compute fd->iter_type. Handle POINTER_PLUS_EXPR increments. Add loops argument. Extract data for collapsed OMP_FOR loops. (expand_parallel_call): Assert sched_kind isn't auto, map runtime schedule to index 3. (struct omp_for_data_loop): New type. (struct omp_for_data): Remove v, n1, n2, step, cond_code fields. Add loop, loops, collapse and iter_type fields. (workshare_safe_to_combine_p): Disallow combined for if iter_type is unsigned long long. Don't combine collapse > 1 loops unless all bounds and steps are constant. Adjust extract_omp_for_data caller. (expand_omp_for_generic): Handle pointer, unsigned and long long iterators. Handle collapsed OMP_FOR loops. Adjust for struct omp_for_data changes. If libgomp function doesn't return boolean_type_node, add comparison of the return value with 0. (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle pointer, unsigned and long long iterators. Adjust for struct omp_for_data changes. (expand_omp_for): Assert sched_kind isn't auto, map runtime schedule to index 3. Use GOMP_loop_ull*{start,next} if iter_type is unsigned long long. Allocate loops array, pass it to extract_omp_for_data. For collapse > 1 loops use always expand_omp_for_generic. (omp_context): Add sfield_map and srecord_type fields. (is_task_ctx, lookup_sfield): New functions. (use_pointer_for_field): Use is_task_ctx helper. Change first argument's type from const_tree to tree. Clarify comment. In OMP_TASK disallow copy-in/out sharing. (build_sender_ref): Call lookup_sfield instead of lookup_field. (install_var_field): Add mask argument. Populate both record_type and srecord_type if needed. (delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN in srecord_type. (fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT} and DECL_FIELD_OFFSET. (scan_sharing_clauses): Adjust install_var_field callers. For firstprivate clauses on explicit tasks allocate the var by value in record_type unconditionally, rather than by reference. Handle OMP_CLAUSE_PRIVATE_OUTER_REF. Scan OMP_CLAUSE_LASTPRIVATE_STMT. Use is_taskreg_ctx instead of is_parallel_ctx. Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. (create_omp_child_function_name): Add task_copy argument, use *_omp_cpyfn* names if it is true. (create_omp_child_function): Add task_copy argument, if true create *_omp_cpyfn* helper function. (scan_omp_parallel): Adjust create_omp_child_function callers. Rename parallel_nesting_level to taskreg_nesting_level. (scan_omp_task): New function. (lower_rec_input_clauses): Don't run constructors for firstprivate explicit task vars which are initialized by *_omp_cpyfn*. Pass outer var ref to omp_clause_default_ctor hook if OMP_CLAUSE_PRIVATE_OUTER_REF or OMP_CLAUSE_LASTPRIVATE. Replace OMP_CLAUSE_REDUCTION_PLACEHOLDER decls in OMP_CLAUSE_REDUCTION_INIT. (lower_send_clauses): Clear DECL_ABSTRACT_ORIGIN if in task to avoid duplicate setting of fields. Handle OMP_CLAUSE_PRIVATE_OUTER_REF. (lower_send_shared_vars): Use srecord_type if non-NULL. Don't copy-out if TREE_READONLY, only copy-in. (expand_task_copyfn): New function. (expand_task_call): New function. (struct omp_taskcopy_context): New type. (task_copyfn_copy_decl, task_copyfn_remap_type, create_task_copyfn): New functions. (lower_omp_parallel): Rename to... (lower_omp_taskreg): ... this. Use OMP_TASKREG_* macros where needed. Call create_task_copyfn if srecord_type is needed. Adjust sender_decl type. (task_shared_vars): New variable. (check_omp_nesting_restrictions): Warn if work-sharing, barrier, master or ordered region is closely nested inside OMP_TASK. Add warnings for barrier if closely nested inside of work-sharing, ordered, or master region. (scan_omp_1): Call check_omp_nesting_restrictions even for GOMP_barrier calls. Rename parallel_nesting_level to taskreg_nesting_level. Handle OMP_TASK. (lower_lastprivate_clauses): Even if some lastprivate is found on a work-sharing construct, continue looking for them on parent parallel construct. (lower_omp_for_lastprivate): Add lastprivate clauses to the beginning of dlist rather than end. Adjust for struct omp_for_data changes. (lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY, not after it. Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller. (get_ws_args_for): Adjust extract_omp_for_data caller. (scan_omp_for): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. (lower_omp_single_simple): If libgomp function doesn't return boolean_type_node, add comparison of the return value with 0. (diagnose_sb_1, diagnose_sb_2): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. Handle OMP_TASK. (parallel_nesting_level): Rename to... (taskreg_nesting_level): ... this. (is_taskreg_ctx): New function. (build_outer_var_ref, omp_copy_decl): Use is_taskreg_ctx instead of is_parallel_ctx. (execute_lower_omp): Rename parallel_nesting_level to taskreg_nesting_level. (expand_omp_parallel): Rename to... (expand_omp_taskreg): ... this. Use OMP_TASKREG_* macros where needed. Call omp_task_call for OMP_TASK regions. (expand_omp): Adjust caller, handle OMP_TASK. (lower_omp_1): Adjust lower_omp_taskreg caller, handle OMP_TASK. * bitmap.c (bitmap_default_obstack_depth): New variable. (bitmap_obstack_initialize, bitmap_obstack_release): Do nothing if argument is NULL and bitmap_default_obstack is already initialized. * ipa-struct-reorg.c (do_reorg_1): Call bitmap_obstack_release at the end. * matrix-reorg.c (matrix_reorg): Likewise. cp/ * cp-tree.h (cxx_omp_finish_clause, cxx_omp_create_clause_info, dependent_omp_for_p, begin_omp_task, finish_omp_task, finish_omp_taskwait): New prototypes. (cxx_omp_clause_default_ctor): Add outer argument. (finish_omp_for): Add new clauses argument. * cp-gimplify.c (cxx_omp_finish_clause): New function. (cxx_omp_predetermined_sharing): Moved from semantics.c, rewritten. (cxx_omp_clause_default_ctor): Add outer argument. (cp_genericize_r): Walk OMP_CLAUSE_LASTPRIVATE_STMT. * cp-objcp-common.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define. * parser.c (cp_parser_omp_for_loop): Parse collapsed for loops. Add par_clauses argument. If decl is present in parallel's lastprivate clause, change that clause to shared and add a lastprivate clause for decl to OMP_FOR_CLAUSES. Fix wording of error messages. Adjust finish_omp_for caller. Add clauses argument. Parse loops with random access iterators. (cp_parser_omp_clause_collapse, cp_parser_omp_clause_untied): New functions. (cp_parser_omp_for, cp_parser_omp_parallel): Adjust cp_parser_omp_for_loop callers. (cp_parser_omp_for_cond, cp_parser_omp_for_incr): New helper functions. (cp_parser_omp_clause_name): Handle collapse and untied clauses. (cp_parser_omp_clause_schedule): Handle auto schedule. (cp_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE and PRAGMA_OMP_CLAUSE_UNTIED. (OMP_FOR_CLAUSE_MASK): Add PRAGMA_OMP_CLAUSE_COLLAPSE. (OMP_TASK_CLAUSE_MASK): Define. (cp_parser_omp_task, cp_parser_omp_taskwait): New functions. (cp_parser_omp_construct): Handle PRAGMA_OMP_TASK. (cp_parser_pragma): Handle PRAGMA_OMP_TASK and PRAGMA_OMP_TASKWAIT. * pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Handle OMP_CLAUSE_LASTPRIVATE_STMT. (tsubst_omp_for_iterator): New function. (dependent_omp_for_p): New function. (tsubst_expr) <case OMP_FOR>: Use it. Handle collapsed OMP_FOR loops. Adjust finish_omp_for caller. Handle loops with random access iterators. Adjust for OMP_FOR_{INIT,COND,INCR} changes. (tsubst_expr): Handle OMP_TASK. * semantics.c (cxx_omp_create_clause_info): New function. (finish_omp_clauses): Call it. Handle OMP_CLAUSE_UNTIED and OMP_CLAUSE_COLLAPSE. (cxx_omp_predetermined_sharing): Removed. * semantics.c (finish_omp_for): Allow pointer iterators. Use handle_omp_for_class_iterator and dependent_omp_for_p. Handle collapsed for loops. Adjust c_finish_omp_for caller. Add new clauses argument. Fix check for type dependent cond or incr. Set OMP_FOR_CLAUSES to clauses. Use cp_convert instead of fold_convert to convert incr amount to difference_type. Only fold if not in template. If decl is mentioned in lastprivate clause, set OMP_CLAUSE_LASTPRIVATE_STMT. Handle loops with random access iterators. Adjust for OMP_FOR_{INIT,COND,INCR} changes. (finish_omp_threadprivate): Allow static class members of the current class. (handle_omp_for_class_iterator, begin_omp_task, finish_omp_task, finish_omp_taskwait): New functions. * parser.c (cp_parser_binary_expression): Add prec argument. (cp_parser_assignment_expression): Adjust caller. * cp-tree.h (outer_curly_brace_block): New prototype. * decl.c (outer_curly_brace_block): No longer static. fortran/ * scanner.c (skip_free_comments, skip_fixed_comments): Handle tabs. * parse.c (next_free): Allow tab after !$omp. (decode_omp_directive): Handle !$omp task, !$omp taskwait and !$omp end task. (case_executable): Add ST_OMP_TASKWAIT. (case_exec_markers): Add ST_OMP_TASK. (gfc_ascii_statement): Handle ST_OMP_TASK, ST_OMP_END_TASK and ST_OMP_TASKWAIT. (parse_omp_structured_block, parse_executable): Handle ST_OMP_TASK. * gfortran.h (gfc_find_sym_in_expr): New prototype. (gfc_statement): Add ST_OMP_TASK, ST_OMP_END_TASK and ST_OMP_TASKWAIT. (gfc_omp_clauses): Add OMP_SCHED_AUTO to sched_kind, OMP_DEFAULT_FIRSTPRIVATE to default_sharing. Add collapse and untied fields. (gfc_exec_op): Add EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * f95-lang.c (LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, LANG_HOOKS_OMP_CLAUSE_DTOR, LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define. * trans.h (gfc_omp_clause_default_ctor): Add another argument. (gfc_omp_clause_copy_ctor, gfc_omp_clause_assign_op, gfc_omp_clause_dtor, gfc_omp_private_outer_ref): New prototypes. * types.def (BT_ULONGLONG, BT_PTR_ULONGLONG, BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_VOID_PTR_PTR, BT_PTR_FN_VOID_PTR_PTR, BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New. (BT_BOOL): Use integer type with BOOL_TYPE_SIZE rather than boolean_type_node. * dump-parse-tree.c (gfc_show_omp_node): Handle EXEC_OMP_TASK, EXEC_OMP_TASKWAIT, OMP_SCHED_AUTO, OMP_DEFAULT_FIRSTPRIVATE, untied and collapse clauses. (gfc_show_code_node): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * trans.c (gfc_trans_code): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * st.c (gfc_free_statement): Likewise. * resolve.c (gfc_resolve_blocks, resolve_code): Likewise. (find_sym_in_expr): Rename to... (gfc_find_sym_in_expr): ... this. No longer static. (resolve_allocate_expr, resolve_ordinary_assign): Adjust caller. * match.h (gfc_match_omp_task, gfc_match_omp_taskwait): New prototypes. * openmp.c (resolve_omp_clauses): Allow allocatable arrays in firstprivate, lastprivate, reduction, copyprivate and copyin clauses. (omp_current_do_code): Made static. (omp_current_do_collapse): New variable. (gfc_resolve_omp_do_blocks): Compute omp_current_do_collapse, clear omp_current_do_code and omp_current_do_collapse on return. (gfc_resolve_do_iterator): Handle collapsed do loops. (resolve_omp_do): Likewise, diagnose errorneous collapsed do loops. (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): Define. (gfc_match_omp_clauses): Handle default (firstprivate), schedule (auto), untied and collapse (n) clauses. (OMP_DO_CLAUSES): Add OMP_CLAUSE_COLLAPSE. (OMP_TASK_CLAUSES): Define. (gfc_match_omp_task, gfc_match_omp_taskwait): New functions. * trans-openmp.c (gfc_omp_private_outer_ref): New function. (gfc_omp_clause_default_ctor): Add outer argument. For allocatable arrays allocate them with the bounds of the outer var if outer var is allocated. (gfc_omp_clause_copy_ctor, gfc_omp_clause_assign_op, gfc_omp_clause_dtor): New functions. (gfc_trans_omp_array_reduction): If decl is allocatable array, allocate it with outer var's bounds in OMP_CLAUSE_REDUCTION_INIT and deallocate it in OMP_CLAUSE_REDUCTION_MERGE. (gfc_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED for assumed-size arrays. (gfc_trans_omp_do): Add par_clauses argument. If dovar is present in lastprivate clause and do loop isn't simple, set OMP_CLAUSE_LASTPRIVATE_STMT. If dovar is present in parallel's lastprivate clause, change it to shared and add lastprivate clause to OMP_FOR_CLAUSES. Handle collapsed do loops. (gfc_trans_omp_directive): Adjust gfc_trans_omp_do callers. (gfc_trans_omp_parallel_do): Likewise. Move collapse clause to OMP_FOR from OMP_PARALLEL. (gfc_trans_omp_clauses): Handle OMP_SCHED_AUTO, OMP_DEFAULT_FIRSTPRIVATE, untied and collapse clauses. (gfc_trans_omp_task, gfc_trans_omp_taskwait): New functions. (gfc_trans_omp_directive): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. gcc/testsuite/ * gcc.dg/gomp/collapse-1.c: New test. * gcc.dg/gomp/nesting-1.c: New test. * g++.dg/gomp/task-1.C: New test. * g++.dg/gomp/predetermined-1.C: New test. * g++.dg/gomp/tls-4.C: New test. * gfortran.dg/gomp/collapse1.f90: New test. * gfortran.dg/gomp/sharing-3.f90: New test. * gcc.dg/gomp/pr27499.c (foo): Remove is unsigned dg-warning. * g++.dg/gomp/pr27499.C (foo): Likewise. * g++.dg/gomp/for-16.C (foo): Likewise. * g++.dg/gomp/tls-3.C: Remove dg-error, add S::s definition. * g++.dg/gomp/pr34607.C: Adjust dg-error location. * g++.dg/gomp/for-16.C (foo): Add a new dg-error. * gcc.dg/gomp/appendix-a/a.35.4.c: Add dg-warning. * gcc.dg/gomp/appendix-a/a.35.6.c: Likewise. * gfortran.dg/gomp/appendix-a/a.35.4.f90: Likewise. * gfortran.dg/gomp/appendix-a/a.35.6.f90: Likewise. * gfortran.dg/gomp/omp_parse1.f90: Remove !$omp tab test. * gfortran.dg/gomp/appendix-a/a.33.4.f90: Remove dg-error about allocatable array. * gfortran.dg/gomp/reduction1.f90: Likewise. libgomp/ * configure.ac (LIBGOMP_GNU_SYMBOL_VERSIONING): New AC_DEFINE. Substitute also OMP_*LOCK_25*. * configure: Regenerated. * config.h.in: Regenerated. * Makefile.am (libgomp_la_SOURCES): Add loop_ull.c, iter_ull.c, ptrlock.c and task.c. * Makefile.in: Regenerated. * testsuite/Makefile.in: Regenerated. * task.c: New file. * loop_ull.c: New file. * iter_ull.c: New file. * libgomp.h: Include ptrlock.h. (enum gomp_task_kind): New type. (struct gomp_team): Add task_lock, task_queue, task_count, task_running_count, single_count fields. Add work_share_list_free_lock ifndef HAVE_SYNC_BUILTINS. Remove work_share_lock, generation_mask, oldest_live_gen, num_live_gen and init_work_shares fields, add work work_share_list_alloc, work_share_list_free and work_share_chunk fields. Change work_shares from pointer to pointers into an array. Change ordered_release field into gomp_sem_t ** from flexible array member. Add implicit_task and initial_work_shares fields. Move close to the end of the struct. (struct gomp_team_state): Add single_count, last_work_share, active_level and level fields, remove work_share_generation. (gomp_barrier_handle_tasks): New prototype. (gomp_finish_task): New inline function. (struct gomp_work_share): Move chunk_size, end, incr into transparent union/struct, add chunk_size_ull, end_ll, incr_ll and next_ll fields. Reshuffle fields. Add next_alloc, next_ws, next_free and inline_ordered_team_ids fields, change ordered_team_ids into pointer from flexible array member. Add mode field. Put lock and next into a different cache line from most of the write-once fields. (gomp_iter_ull_static_next, gomp_iter_ull_dynamic_next_locked, gomp_iter_ull_guided_next_locked, gomp_iter_ull_dynamic_next, gomp_iter_ull_guided_next): New prototypes. (gomp_new_icv): New prototype. (struct gomp_thread): Add thread_pool and task fields. (struct gomp_thread_pool): New type. (gomp_new_team): New prototype. (gomp_team_start): Change type of last argument. (gomp_new_work_share): Removed. (gomp_init_work_share, gomp_fini_work_share): New prototypes. (gomp_work_share_init_done): New static inline. (gomp_throttled_spin_count_var, gomp_available_cpus, gomp_managed_threads): New extern decls. (gomp_init_task): New prototype. (gomp_spin_count_var): New extern var decl. (LIBGOMP_GNU_SYMBOL_VERSIONING): Undef if no visibility or no alias support, or if not PIC. (gomp_init_lock_30, gomp_destroy_lock_30, gomp_set_lock_30, gomp_unset_lock_30, gomp_test_lock_30, gomp_init_nest_lock_30, gomp_destroy_nest_lock_30, gomp_set_nest_lock_30, gomp_unset_nest_lock_30, gomp_test_nest_lock_30, gomp_init_lock_25, gomp_destroy_lock_25, gomp_set_lock_25, gomp_unset_lock_25, gomp_test_lock_25, gomp_init_nest_lock_25, gomp_destroy_nest_lock_25, gomp_set_nest_lock_25, gomp_unset_nest_lock_25, gomp_test_nest_lock_25): New prototypes. (omp_lock_symver, strong_alias): Define. (gomp_remaining_threads_count, gomp_remaining_threads_lock): New decls. (gomp_end_task): New. (struct gomp_task_icv, gomp_global_icv): New. (gomp_thread_limit_var, gomp_max_active_levels_var): New. (struct gomp_task): New. (gomp_nthreads_var, gomp_dyn_var, gomp_nest_var, gomp_run_sched_var, gomp_run_sched_chunk): Remove. (gomp_icv): New. (gomp_schedule_type): Reorder enum to match omp_sched_t. * team.c (struct gomp_thread_start_data): Add thread_pool and task fields. (gomp_thread_start): Add gomp_team_barrier_wait call. For non-nested case remove clearing of docked thread thr fields. Use pool fields instead of global gomp_* variables. Use gomp_barrier_wait_last when needed. Initialize ts.active_level. Create tasks for each member thread. (free_team): Only destroy team barrier, task_lock here and free it. (gomp_free_thread): Free last_team if non-NULL. (gomp_team_end): Call gomp_team_barrier_wait instead of gomp_barrier_wait. For nested case call one extra gomp_barrier_wait. Move here some destruction from free_team. Call free_team on pool->last_team if any, rather than freeing current team. Destroy work_share_list_free_lock ifndef HAVE_SYNC_BUILTINS. (gomp_new_icv): New function. (gomp_threads, gomp_threads_size, gomp_threads_used, gomp_threads_dock): Removed. (gomp_thread_destructor): New variable. (gomp_new_thread_pool, gomp_free_pool_helper, gomp_free_thread): New functions. (gomp_team_start): Create new pool if current thread doesn't have one. Use pool fields instead of global gomp_* variables. Initialize thread_pool field for new threads. Clear single_count. Change last argument from ws to team, don't create new team, set ts.work_share to &team->work_shares[0] and clear ts.last_work_share. Don't clear ts.work_share_generation. If number of threads changed, adjust atomically gomp_managed_threads. Use gomp_init_task instead of gomp_new_task, set thr->task to the corresponding implicit_task array entry. Create tasks for each member thread. Initialize ts.level. (initialize_team): Call pthread_key_create on gomp_thread_destructor. (team_destructor): New function. (new_team): Removed. (gomp_new_team): New function. (free_team): Free gomp_work_share blocks chained through next_alloc, instead of freeing work_shares and destroying work_share_lock. (gomp_team_end): Call gomp_fini_work_share. If number of threads changed, adjust atomically gomp_managed_threads. Use gomp_end_task. * barrier.c (GOMP_barrier): Call gomp_team_barrier_wait instead of gomp_barrier_wait. * single.c (GOMP_single_copy_start): Call gomp_team_barrier_wait instead of gomp_barrier_wait. Call gomp_work_share_init_done if gomp_work_share_start returned true. Don't unlock ws->lock. (GOMP_single_copy_end): Call gomp_team_barrier_wait instead of gomp_barrier_wait. (GOMP_single_start): Rewritten if HAVE_SYNC_BUILTINS. Call gomp_work_share_init_done if gomp_work_share_start returned true. Don't unlock ws->lock. * work.c: Include stddef.h. (free_work_share): Use work_share_list_free_lock instead of atomic chaining ifndef HAVE_SYNC_BUILTINS. Add team argument. Call gomp_fini_work_share and then either free ws if orphaned, or put it into work_share_list_free list of the current team. (alloc_work_share, gomp_init_work_share, gomp_fini_work_share): New functions. (gomp_work_share_start, gomp_work_share_end, gomp_work_share_end_nowait): Rewritten. * omp_lib.f90.in Change some tabs to spaces to prevent warnings. (openmp_version): Set to 200805. (omp_sched_kind, omp_sched_static, omp_sched_dynamic, omp_sched_guided, omp_sched_auto): New parameters. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New interfaces. * omp_lib.h.in (openmp_version): Set to 200805. (omp_sched_kind, omp_sched_static, omp_sched_dynamic, omp_sched_guided, omp_sched_auto): New parameters. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New externals. * loop.c: Include limits.h. (GOMP_loop_runtime_next, GOMP_loop_ordered_runtime_next): Handle GFS_AUTO. (GOMP_loop_runtime_start, GOMP_loop_ordered_runtime_start): Likewise. Use gomp_icv. (gomp_loop_static_start, gomp_loop_dynamic_start): Clear ts.static_trip here. (gomp_loop_static_start, gomp_loop_ordered_static_start): Call gomp_work_share_init_done after gomp_loop_init. Don't unlock ws->lock. (gomp_loop_dynamic_start, gomp_loop_guided_start): Call gomp_work_share_init_done after gomp_loop_init. If HAVE_SYNC_BUILTINS, don't unlock ws->lock, otherwise lock it. (gomp_loop_ordered_dynamic_start, gomp_loop_ordered_guided_start): Call gomp_work_share_init_done after gomp_loop_init. Lock ws->lock. (gomp_parallel_loop_start): Call gomp_new_team instead of gomp_new_work_share. Call gomp_loop_init on &team->work_shares[0]. Adjust gomp_team_start caller. Pass 0 as second argument to gomp_resolve_num_threads. (gomp_loop_init): For GFS_DYNAMIC, multiply ws->chunk_size by incr. If adding ws->chunk_size nthreads + 1 times after end won't overflow, set ws->mode to 1. * libgomp_g.h (GOMP_loop_ull_static_start, GOMP_loop_ull_dynamic_start, GOMP_loop_ull_guided_start, GOMP_loop_ull_runtime_start, GOMP_loop_ull_ordered_static_start, GOMP_loop_ull_ordered_dynamic_start, GOMP_loop_ull_ordered_guided_start, GOMP_loop_ull_ordered_runtime_start, GOMP_loop_ull_static_next, GOMP_loop_ull_dynamic_next, GOMP_loop_ull_guided_next, GOMP_loop_ull_runtime_next, GOMP_loop_ull_ordered_static_next, GOMP_loop_ull_ordered_dynamic_next, GOMP_loop_ull_ordered_guided_next, GOMP_loop_ull_ordered_runtime_next, GOMP_task, GOMP_taskwait): New prototypes. * libgomp.map: Export lock routines also @@OMP_2.0. (GOMP_loop_ordered_dynamic_first, GOMP_loop_ordered_guided_first, GOMP_loop_ordered_runtime_first, GOMP_loop_ordered_static_first): Remove. (GOMP_loop_ull_dynamic_next, GOMP_loop_ull_dynamic_start, GOMP_loop_ull_guided_next, GOMP_loop_ull_guided_start, GOMP_loop_ull_ordered_dynamic_next, GOMP_loop_ull_ordered_dynamic_start, GOMP_loop_ull_ordered_guided_next, GOMP_loop_ull_ordered_guided_start, GOMP_loop_ull_ordered_runtime_next, GOMP_loop_ull_ordered_runtime_start, GOMP_loop_ull_ordered_static_next, GOMP_loop_ull_ordered_static_start, GOMP_loop_ull_runtime_next, GOMP_loop_ull_runtime_start, GOMP_loop_ull_static_next, GOMP_loop_ull_static_start, GOMP_task, GOMP_taskwait): Export @@GOMP_2.0. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level, omp_set_schedule_, omp_set_schedule_8_, omp_get_schedule_, omp_get_schedule_8_, omp_get_thread_limit_, omp_set_max_active_levels_, omp_set_max_active_levels_8_, omp_get_max_active_levels_, omp_get_level_, omp_get_ancestor_thread_num_, omp_get_ancestor_thread_num_8_, omp_get_team_size_, omp_get_team_size_8_, omp_get_active_level_): New exports @@OMP_3.0. * omp.h.in (omp_sched_t): New type. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New prototypes. * env.c (gomp_spin_count_var, gomp_throttled_spin_count_var, gomp_available_cpus, gomp_managed_threads, gomp_max_active_levels_var, gomp_thread_limit_var, gomp_remaining_threads_count, gomp_remaining_threads_lock): New variables. (parse_spincount): New function. (initialize_env): Call gomp_init_num_threads unconditionally. Initialize gomp_available_cpus. Call parse_spincount, initialize gomp_{,throttled_}spin_count_var depending on presence and value of OMP_WAIT_POLICY and GOMP_SPINCOUNT env vars. Handle GOMP_BLOCKTIME env var. Handle OMP_WAIT_POLICY, OMP_MAX_ACTIVE_LEVELS, OMP_THREAD_LIMIT, OMP_STACKSIZE env vars. Handle unit specification for GOMP_STACKSIZE. Initialize gomp_remaining_threads_count and gomp_remaining_threads_lock if needed. Use gomp_global_icv. (gomp_nthreads_var, gomp_dyn_var, gomp_nest_var, gomp_run_sched_var, gomp_run_sched_chunk): Remove. (gomp_global_icv): New. (parse_schedule): Use it. Parse "auto". (omp_set_num_threads): Use gomp_icv. (omp_set_dynamic, omp_get_dynamic, omp_set_nested, omp_get_nested): Likewise. (omp_get_max_threads): Move from parallel.c. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels): New functions, add ialias. (parse_stacksize, parse_wait_policy): New functions. * fortran.c: Rewrite lock wrappers, if symbol versioning provide both wrappers for compatibility and new locks. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New ialias_redirect. (omp_set_schedule_, omp_set_schedule_8_, omp_get_schedule_, omp_get_schedule_8_, omp_get_thread_limit_, omp_set_max_active_levels_, omp_set_max_active_levels_8_, omp_get_max_active_levels_, omp_get_level_, omp_get_ancestor_thread_num_, omp_get_ancestor_thread_num_8_, omp_get_team_size_, omp_get_team_size_8_, omp_get_active_level_): New functions. * parallel.c: Include limits.h. (gomp_resolve_num_threads): Add count argument. Rewritten. (GOMP_parallel_start): Call gomp_new_team and pass that as last argument to gomp_team_start. Pass 0 as second argument to gomp_resolve_num_threads. (GOMP_parallel_end): Decrease gomp_remaining_threads_count if gomp_thread_limit_var != ULONG_MAX. (omp_in_parallel): Implement using ts.active_level. (omp_get_max_threads): Move to env.c. (omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New functions, add ialias. * sections.c (GOMP_sections_start): Call gomp_work_share_init_done after gomp_sections_init. If HAVE_SYNC_BUILTINS, call gomp_iter_dynamic_next instead of the _locked variant and don't take lock around it, otherwise acquire it before calling gomp_iter_dynamic_next_locked. (GOMP_sections_next): If HAVE_SYNC_BUILTINS, call gomp_iter_dynamic_next instead of the _locked variant and don't take lock around it. (GOMP_parallel_sections_start): Call gomp_new_team instead of gomp_new_work_share. Call gomp_sections_init on &team->work_shares[0]. Adjust gomp_team_start caller. Pass count as second argument to gomp_resolve_num_threads, don't adjust num_threads after the call. Use gomp_icv. * iter.c (gomp_iter_dynamic_next_locked): Don't multiply ws->chunk_size by incr. (gomp_iter_dynamic_next): Likewise. If ws->mode, use more efficient code. * libgomp_f.h.in (omp_lock_25_arg_t, omp_nest_lock_25_arg_t): New types. (omp_lock_25_arg, omp_nest_lock_25_arg): New macros. (omp_check_defines): Check even the compat defines. * config/linux/ptrlock.c: New file. * config/linux/ptrlock.h: New file. * config/linux/wait.h: New file. * config/posix/ptrlock.c: New file. * config/posix/ptrlock.h: New file. * config/linux/bar.h (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New prototypes. (gomp_team_barrier_set_task_pending, gomp_team_barrier_clear_task_pending, gomp_team_barrier_set_waiting_for_tasks, gomp_team_barrier_waiting_for_tasks, gomp_team_barrier_done): New inlines. (gomp_barrier_t): Rewritten. (gomp_barrier_state_t): New typedef. (gomp_barrier_init, gomp_barrier_reinit, gomp_barrier_destroy, gomp_barrier_wait_start): Rewritten. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_barrier_last_thread, gomp_barrier_wait_last): New static inlines. * config/linux/bar.c: Include wait.h instead of libgomp.h and futex.h. (gomp_barrier_wait_end): Rewritten. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake, gomp_barrier_wait_last): New functions. * config/posix/bar.h (gomp_barrier_t): Add generation field. (gomp_barrier_state_t): New typedef. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New prototypes. (gomp_barrier_wait_start): Or all but low 2 bits from generation into the return value. Return gomp_barrier_state_t. (gomp_team_barrier_set_task_pending, gomp_team_barrier_clear_task_pending, gomp_team_barrier_set_waiting_for_tasks, gomp_team_barrier_waiting_for_tasks, gomp_team_barrier_done): New inlines. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_barrier_last_thread, gomp_barrier_wait_last): New static inlines. * config/posix/bar.c (gomp_barrier_init): Clear generation field. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New functions. * config/linux/mutex.c: Include wait.h instead of libgomp.h and futex.h. (gomp_futex_wake, gomp_futex_wait): New variables. (gomp_mutex_lock_slow): Call do_wait instead of futex_wait. * config/linux/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. Include wait.h instead of libgomp.h and futex.h. (gomp_set_nest_lock_25): Call do_wait instead of futex_wait. * config/posix95/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. * config/posix/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. * config/linux/proc.c (gomp_init_num_threads): Use gomp_global_icv. (get_num_procs, gomp_dynamic_max_threads): Use gomp_icv. * config/posix/proc.c, config/mingw32/proc.c: Similarly. * config/linux/powerpc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/alpha/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/x86/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/s390/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/ia64/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/sparc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/sem.c: Include wait.h instead of libgomp.h and futex.h. (gomp_sem_wait_slow): Call do_wait instead of futex_wait. * config/linux/affinity.c: Assume HAVE_SYNC_BUILTINS. * config/linux/omp-lock.h (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_nest_lock_t): Change owner into void *, add lock field. * config/posix95/omp-lock.h: Include semaphore.h. (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_lock_t): Use sem_t instead of mutex if semaphores aren't broken. (omp_nest_lock_t): Likewise. Change owner to void *. * config/posix/omp-lock.h: Include semaphore.h. (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_lock_t): Use sem_t instead of mutex if semaphores aren't broken. (omp_nest_lock_t): Likewise. Add owner field. * testsuite/libgomp.c/collapse-1.c: New test. * testsuite/libgomp.c/collapse-2.c: New test. * testsuite/libgomp.c/collapse-3.c: New test. * testsuite/libgomp.c/icv-1.c: New test. * testsuite/libgomp.c/icv-2.c: New test. * testsuite/libgomp.c/lib-2.c: New test. * testsuite/libgomp.c/lock-1.c: New test. * testsuite/libgomp.c/lock-2.c: New test. * testsuite/libgomp.c/lock-3.c: New test. * testsuite/libgomp.c/loop-4.c: New test. * testsuite/libgomp.c/loop-5.c: New test. * testsuite/libgomp.c/loop-6.c: New test. * testsuite/libgomp.c/loop-7.c: New test. * testsuite/libgomp.c/loop-8.c: New test. * testsuite/libgomp.c/loop-9.c: New test. * testsuite/libgomp.c/nested-3.c: New test. * testsuite/libgomp.c/nestedfn-6.c: New test. * testsuite/libgomp.c/sort-1.c: New test. * testsuite/libgomp.c/task-1.c: New test. * testsuite/libgomp.c/task-2.c: New test. * testsuite/libgomp.c/task-3.c: New test. * testsuite/libgomp.c/task-4.c: New test. * testsuite/libgomp.c++/c++.exp: Add libstdc++-v3 build includes to C++ testsuite default compiler options. * testsuite/libgomp.c++/collapse-1.C: New test. * testsuite/libgomp.c++/collapse-2.C: New test. * testsuite/libgomp.c++/ctor-10.C: New test. * testsuite/libgomp.c++/for-1.C: New test. * testsuite/libgomp.c++/for-2.C: New test. * testsuite/libgomp.c++/for-3.C: New test. * testsuite/libgomp.c++/for-4.C: New test. * testsuite/libgomp.c++/for-5.C: New test. * testsuite/libgomp.c++/loop-8.C: New test. * testsuite/libgomp.c++/loop-9.C: New test. * testsuite/libgomp.c++/loop-10.C: New test. * testsuite/libgomp.c++/task-1.C: New test. * testsuite/libgomp.c++/task-2.C: New test. * testsuite/libgomp.c++/task-3.C: New test. * testsuite/libgomp.c++/task-4.C: New test. * testsuite/libgomp.c++/task-5.C: New test. * testsuite/libgomp.c++/task-6.C: New test. * testsuite/libgomp.fortran/allocatable1.f90: New test. * testsuite/libgomp.fortran/allocatable2.f90: New test. * testsuite/libgomp.fortran/allocatable3.f90: New test. * testsuite/libgomp.fortran/allocatable4.f90: New test. * testsuite/libgomp.fortran/collapse1.f90: New test. * testsuite/libgomp.fortran/collapse2.f90: New test. * testsuite/libgomp.fortran/collapse3.f90: New test. * testsuite/libgomp.fortran/collapse4.f90: New test. * testsuite/libgomp.fortran/lastprivate1.f90: New test. * testsuite/libgomp.fortran/lastprivate2.f90: New test. * testsuite/libgomp.fortran/lib4.f90: New test. * testsuite/libgomp.fortran/lock-1.f90: New test. * testsuite/libgomp.fortran/lock-2.f90: New test. * testsuite/libgomp.fortran/nested1.f90: New test. * testsuite/libgomp.fortran/nestedfn4.f90: New test. * testsuite/libgomp.fortran/strassen.f90: New test. * testsuite/libgomp.fortran/tabs1.f90: New test. * testsuite/libgomp.fortran/tabs2.f: New test. * testsuite/libgomp.fortran/task1.f90: New test. * testsuite/libgomp.fortran/task2.f90: New test. * testsuite/libgomp.fortran/vla4.f90: Add dg-warning. * testsuite/libgomp.fortran/vla5.f90: Likewise. * testsuite/libgomp.c/pr26943-2.c: Likewise. * testsuite/libgomp.c/pr26943-3.c: Likewise. * testsuite/libgomp.c/pr26943-4.c: Likewise. Co-Authored-By: Jakob Blomer <jakob.blomer@ira.uka.de> Co-Authored-By: Richard Henderson <rth@redhat.com> Co-Authored-By: Ulrich Drepper <drepper@redhat.com> From-SVN: r136433
2008-06-06 15:01:54 +02:00
int
omp_get_ancestor_thread_num (int level)
[multiple changes] 2006-01-18 Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * libgomp: New directory. * Makefile.def: Add target_module libgomp. * Makefile.in: Regenerate. * configure.in (target_libraries): Add target-libgomp. * configure: Regenerate. contrib/ 2006-01-18 Richard Henderson <rth@redhat.com> Diego Novillo <dnovillo@redhat.com> * gcc_update (files_and_dependencies): Add libgomp files. gcc/ 2006-01-18 Richard Henderson <rth@redhat.com> Aldy Hernandez <aldyh@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * omp-low.c: New file. * c-omp.c: New file. 2006-01-18 Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * doc/invoke.texi: Document -fopenmp. * tree-dump.h (debug_function): Declare. * hooks.c (hook_bool_tree_bool_false): New function. (hook_tree_tree_null): Remove. (hook_tree_tree_tree_null): New. * hooks.h: Update to match. * tree-pretty-print.c (debug_tree_chain): New. (print_generic_expr): Handle TDF_CHAIN. (dump_generic_node): Handle BLOCK. Do not abort with incomplete SWITCH_EXPRs. Do not dump body of an OpenMP directive if TDF_SLIM is given. <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't print space after directive name. <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY. Handle OMP_MASTER and OMP_ORDERED. Handle printing of OMP_BODY just in one place, goto dump_omp_body in the rest of OMP_* nodes that have OMP_BODY. Don't handle clause nodes here. Update omp statements to use dump_omp_clauses. Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION, OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC, OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF, GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED, GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE, GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE. Adjust output for GOMP_PARALLEL. (dump_omp_clauses): New. (print_declaration): Dump DECL_VALUE_EXPR. (op_symbol_1): Split out of op_symbol. (dumping_stmts): Remove. Update all users. * cgraph.c (cgraph_analyze_queue): New. (cgraph_add_new_function): New. * cgraph.h (cgraph_analyze_queue): Declare. (cgraph_add_new_function): Declare. (cgraph_lower_function): Remove. * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_* nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS and TYPE_P nodes in its default clause. (empty_body_p): New. (tree_range_check_failed): New. (build5_stat): New. * tree.h (OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE, OMP_CLAUSE_REDUCTION_PLACEHOLDER, OMP_CLAUSE_PRIVATE_DEBUG, OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY, OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY, OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND, OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL, OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR, OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT, OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT, OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC, OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST, OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY, OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY, OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New. (TREE_RANGE_CHECK): New. (empty_body_p): Declare. (enum omp_clause_default_kind): New. (build_string_literal): Declare. (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New. (build5_stat, build5): Declare. * tree-pass.h (TDF_CHAIN): Define. * tree-pass.h (PROP_gimple_lomp): Define. (pass_lower_omp): Declare. * diagnostic.h (debug_tree_chain): Declare. * builtins.c (get_builtin_sync_mode): Use 0 as last argument to mode_for_size. (expand_builtin): Handle sync BUILT_IN_*_16 builtins. * builtins.c (build_string_literal): Make extern. * gcc.c (include_spec_function): New. (static_spec_functions): Add it. (main): Move load of libgomp.spec ... (LINK_COMMAND_SPEC): ... here. (link_gomp_spec): New. (static_specs): Include it. (LINK_COMMAND_SPEC): Add link_gomp. (GOMP_SELF_SPECS): New. (driver_self_specs): Include it. (switch_matches): Don't mark inline. (main): Load libgomp.spec. * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION, and OMP_SINGLE, OMP_FOR and OMP_PARALLEL. * tree-gimple.h (enum omp_parallel): Declare. (determine_parallel_type): Declare. (omp_firstprivatize_variable): Declare. (omp_reduction_init): Declare. (diagnose_omp_structured_block_errors): Declare. (struct walk_stmt_info): Add want_return_expr. (struct walk_stmt_info): Add want_bind_expr, want_locations. (find_omp_clause): Declare. (insert_field_into_struct): Declare. (struct walk_stmt_info): Move from tree-nested.c (walk_stmts): Declare. * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP to 200505. * cgraphunit.c (cgraph_lower_function): Make static. (cgraph_finalize_pending_functions): New. (cgraph_finalize_function): Call it. (cgraph_finalize_compilation_unit): Likewise. * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16, BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add. (BT_FN_UINT_UINT): New. (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7, DEF_FUNCTION_TYPE_VAR_4): Document. (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT, BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR, BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT, BT_FN_VOID_OMPFN_PTR_UINT_UINT, BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR, BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New. * builtins.def: Update DEF_BUILTIN comment to include COND argument. Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins into separate files. (DEF_GOMP_BUILTIN): New. (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER, BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END, BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END, BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START, BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START, BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START, BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START, BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START, BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT, 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_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT, BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END, BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END, BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT, BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END, BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START, BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New. * sync-builtins.def: New file, moved from builtins.def. * omp-builtins.def: New file, moved from builtins.def. * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine. * gimple-low.c (lower_function_body): Clear data. (lower_stmt): Do not handle COMPOUND_EXPR. Remove call to print_node_brief. * c-tree.h (c_finish_omp_clauses): New prototype. (C_DECL_THREADPRIVATE_P): Define. (lookup_name_no_remap, c_omp_remap_private): Remove (c_begin_omp_parallel, c_finish_omp_parallel): Update. (check_for_loop_decls): Update decl. (lookup_name_no_remap, c_omp_remap_private): Declare. (build_indirect_ref, build_modify_expr, pushdecl, pushdecl_top_level): Move to c-common.h. * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp before the switch, but just in the 2 places that need it. * c-decl.c (diagnose_mismatched_decls): Do not check for mismatched thread-local attributes when OLDDECL is marked threadprivate and NEWDECL has no thread-local attributes. (merge_decls): Merge C_DECL_THREADPRIVATE_P. (c_gimple_diagnostics_recursively): Rename from c_warn_unused_result_recursively. Invoke diagnose_omp_structured_block_errors. (check_for_loop_decls): Return a singular decl found. * langhooks.c (lhd_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls. (lhd_omp_firstprivatize_type_sizes): New. (lhd_omp_assignment): New. (lhd_omp_predetermined_sharing): New. * langhooks.h (struct gimplify_omp_ctx): Forward declare. (struct lang_hooks_for_types): Add omp_firstprivatize_type_sizes, omp_privatize_by_reference, omp_predetermined_sharing, omp_disregard_value_expr, omp_private_debug_clause, omp_clause_default_ctor, omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor. (c_finish_omp_clauses): New. (c_finish_bc_stmt): Diagnose break within omp for. (c_begin_omp_parallel, c_finish_omp_parallel): New. (build_unary_op): Return error_mark after reporting a readonly_error. (build_modify_expr): Likewise. * gimplify.c: Include optabs.h and pointer-set.h. (enum gimplify_omp_var_data): Declare. (struct gimplify_omp_ctx): Declare. (struct gimplify_ctx): Add fields prev_context, combined_pre_p and combined_ctxp. (gimplify_ctxp, gimplify_omp_ctxp): New local variables. (push_gimplify_context, pop_gimplify_context): Allow nesting. (splay_tree_compare_decl_uid): New. (new_omp_context): New. (delete_omp_context): New. (gimple_add_tmp_var): Call omp_add_variable. (gimplify_bind_expr): Likewise. (gimplify_var_or_parm_decl): If omp_notice_variable returned true, disregard DECL_VALUE_EXPR on the decl if any. (gimplify_expr_in_ctx): New. (omp_firstprivatize_variable, omp_firstprivatize_type_sizes omp_add_variable, omp_notice_variable, omp_is_private gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1 gimplify_adjust_omp_clauses, gimplify_omp_parallel gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p gimplify_omp_atomic_fetch_op, goa_stabilize_expr gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex gimplify_omp_atomic): New. (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS, OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL and OMP_ATOMIC. (gimplify_body): Verify gimplify_ctxp is empty after gimplification. * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER, PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR, PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED, PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR, PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION, PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE, PRAGMA_OMP_THREADPRIVATE. * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS, OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define. * print-tree.c (print_node): Dump DECL_VALUE_EXPR. * tree-ssa-dce.c (find_control_dependence): Do not assume that ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR). * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for OpenMP directives. (struct nesting_info): Add field_map, suppress_expansion, debug_var_chain. (create_nesting_tree): Initialize them. (lookup_field_for_decl): Use field_map. (get_nonlocal_debug_decl, get_local_debug_decl): New. (convert_local_omp_clauses): New. (finalize_nesting_tree_1): Add debug_var_chain to toplevel block. (walk_body): Split out of walk_function. (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New. (convert_nonlocal_reference): Handle omp statements. (convert_local_reference): Likewise. (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1. (unnest_nesting_tree): New. (lower_nested_functions): Call it. (insert_field_into_struct): Make extern. (struct walk_stmt_info): Move to tree-gimple.h. (walk_stmts): Make extern. * omp-builtins.def: New file. * tree-iterator.c (expr_only): Clarify comment. * c-common.h (pushdecl_top_level, pushdecl, build_modify_expr, build_indirect_ref, c_finish_omp_master, c_finish_omp_critical, c_finish_omp_ordered, c_finish_omp_barrier, c_finish_omp_atomic, c_finish_omp_flush, c_finish_omp_for, c_split_parallel_clauses, omp_clause_default_kind, c_omp_sharing_predetermined, c_omp_remap_decl): Declare. * Makefile.in (BUILTINS_DEF): Add omp-builtins.def. (OBJS-common): Add omp-low.o. (c-omp.o, omp-low.o): Add. (gimplify.o): Add dependency on $(OPTABS_H). (GTFILES): Add omp-low.c. (gt-stringpool.h): Add. * tree-cfg.c (set_bb_for_stmt): Do not update the block-to-labels map if we are currently expanding to RTL. (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P checks. Handle IDENTIFIER_NODE. (tree_verify_flow_info): Do not ICE when emitting error messages about invalid labels. (dump_function_to_file): Reset CFUN before emitting the body of the function. (debug_function): New. * passes.c (init_optimization_passes): Schedule pass_lower_omp. * langhooks-def.h (lhd_omp_predetermined_sharing, lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes): Declare. (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define. (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it. (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE, LANG_HOOKS_OMP_PREDETERMINED_SHARING, LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR, LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE, LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR, LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, LANG_HOOKS_OMP_CLAUSE_DTOR): Define. (LANG_HOOK_DECLS): Use them. 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com> Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * c-parser.c (pragma_omp_clause): Define. (c_parser_declaration_or_fndef): Document OpenMP syntax. (c_parser_compound_statement): Likewise. (c_parser_statement): Likewise. (c_parser_pragma): Handle omp pragmas. (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK, OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define. (c_parser_omp_clause_name, check_no_duplicate_clause, c_parser_omp_variable_list, c_parser_omp_var_list_parens, c_parser_omp_clause_copyin, c_parser_omp_clause_copyprivate, c_parser_omp_clause_default, c_parser_omp_clause_firstprivate, c_parser_omp_clause_if, c_parser_omp_clause_lastprivate, c_parser_omp_clause_nowait, c_parser_omp_clause_num_threads, c_parser_omp_clause_ordered, c_parser_omp_clause_private, c_parser_omp_clause_reduction, c_parser_omp_clause_schedule, c_parser_omp_clause_shared, c_parser_omp_all_clauses, c_parser_omp_structured_block, c_parser_omp_atomic, c_parser_omp_barrier, c_parser_omp_critical, c_parser_omp_flush, c_parser_omp_for_loop, c_parser_omp_for, c_parser_omp_master, c_parser_omp_ordered, c_parser_omp_sections_scope, c_parser_omp_sections, c_parser_omp_parallel, c_parser_omp_single, c_parser_omp_construct, c_parser_omp_threadprivate): New. * c-pragma.c (init_pragma): Do omp pragma registration here. * c.opt (fopenmp): New flag. 2006-01-18 Eric Christopher <echristo@apple.com> * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif. * config/darwin.h (GOMP_SELF_SPECS): Define. testsuite/ 2006-01-18 Richard Henderson <rth@redhat.com> Aldy Hernandez <aldyh@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> Uros Bizjak <uros@kss-loka.si> * testsuite/gcc.dg/gomp: New directory. From-SVN: r109902
2006-01-18 20:21:25 +01:00
{
c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805. * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805. * langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause. Add omp_private_outer_ref hook, add another argument to omp_clause_default_ctor hook. * langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define. (LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define. (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to hook_tree_tree_tree_tree_null. (LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and LANG_HOOKS_OMP_PRIVATE_OUTER_REF. * hooks.c (hook_tree_tree_tree_tree_null): New function. * hooks.h (hook_tree_tree_tree_tree_null): New prototype. * tree.def (OMP_TASK): New tree code. * tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN, OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT, OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES, OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY, OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG, OMP_CLAUSE_COLLAPSE_EXPR): Define. (enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. (OMP_DIRECTIVE_P): Add OMP_TASK. (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes. (OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind. * tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED entries. (omp_clause_num_ops): Likewise. Increase OMP_CLAUSE_LASTPRIVATE num_ops to 2. (walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Walk OMP_CLAUSE_LASTPRIVATE_STMT. * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. (dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops. * c-omp.c (c_finish_omp_for): Allow pointer iterators. Remove warning about unsigned iterators. Change decl/init/cond/incr arguments to TREE_VECs, check arguments for all collapsed loops. (c_finish_omp_taskwait): New function. (c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to ws_clauses. * c-parser.c (c_parser_omp_for_loop): Parse collapsed loops. Call default_function_array_conversion on init. Add par_clauses argument. If decl is present in parallel's lastprivate clause, change it to shared and add lastprivate clause for decl to OMP_FOR_CLAUSES. Add clauses argument, on success set OMP_FOR_CLAUSES to it. Look up collapse count in clauses. (c_parser_omp_for, c_parser_omp_parallel): Adjust c_parser_omp_for_loop callers. (OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE. (c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT. (c_parser_omp_clause_name): Handle collapse and untied clauses. (c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New functions. (c_parser_omp_clause_schedule): Handle schedule(auto). Include correct location in the error message. (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE and PRAGMA_OMP_CLAUSE_UNTIED. (OMP_TASK_CLAUSE_MASK): Define. (c_parser_omp_task, c_parser_omp_taskwait): New functions. (c_parser_omp_construct): Handle PRAGMA_OMP_TASK. * tree-nested.c (convert_nonlocal_omp_clauses, convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE, OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in OMP_CLAUSE_DECL. (conver_nonlocal_reference, convert_local_reference, convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL. Use OMP_TASKREG_* macros rather than OMP_PARALLEL_*. (walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes. * tree-gimple.c (is_gimple_stmt): Handle OMP_TASK. * c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes. * c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New. (PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New. * c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions. (c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. * c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas. * c-common.h (c_finish_omp_taskwait): New prototype. * gimple-low.c (lower_stmt): Handle OMP_TASK. * tree-parloops.c (create_parallel_loop): Create 1 entry vectors for OMP_FOR_{INIT,COND,INCR}. * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers. (make_edges): Handle OMP_TASK. * tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. * tree-inline.c (estimate_num_insns_1): Handle OMP_TASK. * builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR, BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New. * omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT, BUILT_IN_GOMP_LOOP_ULL_STATIC_START, BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ULL_GUIDED_START, BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins. * gimplify.c (gimplify_omp_for): Allow pointer type for decl, handle POINTER_PLUS_EXPR. If loop counter has been replaced and original iterator is present in lastprivate clause or if collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT. Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. (gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK. (enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF. (omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed, if it is set, lookup var in outer contexts too. Handle OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. Handle vars that are supposed to be implicitly determined firstprivate for task regions. (gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed, if it is set, lookup var in outer contexts too. Set OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set. Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Take region_type as last argument instead of in_parallel and in_combined_parallel. (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare): Adjust callers. (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set. Call omp_finish_clause langhook. (new_omp_context): Set default_kind to OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions. (omp_region_type): New enum. (struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel fields, add region_type. (new_omp_context): Take region_type as argument instead of is_parallel and is_combined_parallel. (gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable, omp_is_private, omp_check_private): Adjust ctx->is_parallel and ctx->is_combined_parallel checks. (gimplify_omp_task): New function. (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. * omp-low.c (extract_omp_for_data): Use schedule(static) for schedule(auto). Handle pointer and unsigned iterators. Compute fd->iter_type. Handle POINTER_PLUS_EXPR increments. Add loops argument. Extract data for collapsed OMP_FOR loops. (expand_parallel_call): Assert sched_kind isn't auto, map runtime schedule to index 3. (struct omp_for_data_loop): New type. (struct omp_for_data): Remove v, n1, n2, step, cond_code fields. Add loop, loops, collapse and iter_type fields. (workshare_safe_to_combine_p): Disallow combined for if iter_type is unsigned long long. Don't combine collapse > 1 loops unless all bounds and steps are constant. Adjust extract_omp_for_data caller. (expand_omp_for_generic): Handle pointer, unsigned and long long iterators. Handle collapsed OMP_FOR loops. Adjust for struct omp_for_data changes. If libgomp function doesn't return boolean_type_node, add comparison of the return value with 0. (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle pointer, unsigned and long long iterators. Adjust for struct omp_for_data changes. (expand_omp_for): Assert sched_kind isn't auto, map runtime schedule to index 3. Use GOMP_loop_ull*{start,next} if iter_type is unsigned long long. Allocate loops array, pass it to extract_omp_for_data. For collapse > 1 loops use always expand_omp_for_generic. (omp_context): Add sfield_map and srecord_type fields. (is_task_ctx, lookup_sfield): New functions. (use_pointer_for_field): Use is_task_ctx helper. Change first argument's type from const_tree to tree. Clarify comment. In OMP_TASK disallow copy-in/out sharing. (build_sender_ref): Call lookup_sfield instead of lookup_field. (install_var_field): Add mask argument. Populate both record_type and srecord_type if needed. (delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN in srecord_type. (fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT} and DECL_FIELD_OFFSET. (scan_sharing_clauses): Adjust install_var_field callers. For firstprivate clauses on explicit tasks allocate the var by value in record_type unconditionally, rather than by reference. Handle OMP_CLAUSE_PRIVATE_OUTER_REF. Scan OMP_CLAUSE_LASTPRIVATE_STMT. Use is_taskreg_ctx instead of is_parallel_ctx. Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. (create_omp_child_function_name): Add task_copy argument, use *_omp_cpyfn* names if it is true. (create_omp_child_function): Add task_copy argument, if true create *_omp_cpyfn* helper function. (scan_omp_parallel): Adjust create_omp_child_function callers. Rename parallel_nesting_level to taskreg_nesting_level. (scan_omp_task): New function. (lower_rec_input_clauses): Don't run constructors for firstprivate explicit task vars which are initialized by *_omp_cpyfn*. Pass outer var ref to omp_clause_default_ctor hook if OMP_CLAUSE_PRIVATE_OUTER_REF or OMP_CLAUSE_LASTPRIVATE. Replace OMP_CLAUSE_REDUCTION_PLACEHOLDER decls in OMP_CLAUSE_REDUCTION_INIT. (lower_send_clauses): Clear DECL_ABSTRACT_ORIGIN if in task to avoid duplicate setting of fields. Handle OMP_CLAUSE_PRIVATE_OUTER_REF. (lower_send_shared_vars): Use srecord_type if non-NULL. Don't copy-out if TREE_READONLY, only copy-in. (expand_task_copyfn): New function. (expand_task_call): New function. (struct omp_taskcopy_context): New type. (task_copyfn_copy_decl, task_copyfn_remap_type, create_task_copyfn): New functions. (lower_omp_parallel): Rename to... (lower_omp_taskreg): ... this. Use OMP_TASKREG_* macros where needed. Call create_task_copyfn if srecord_type is needed. Adjust sender_decl type. (task_shared_vars): New variable. (check_omp_nesting_restrictions): Warn if work-sharing, barrier, master or ordered region is closely nested inside OMP_TASK. Add warnings for barrier if closely nested inside of work-sharing, ordered, or master region. (scan_omp_1): Call check_omp_nesting_restrictions even for GOMP_barrier calls. Rename parallel_nesting_level to taskreg_nesting_level. Handle OMP_TASK. (lower_lastprivate_clauses): Even if some lastprivate is found on a work-sharing construct, continue looking for them on parent parallel construct. (lower_omp_for_lastprivate): Add lastprivate clauses to the beginning of dlist rather than end. Adjust for struct omp_for_data changes. (lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY, not after it. Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller. (get_ws_args_for): Adjust extract_omp_for_data caller. (scan_omp_for): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. (lower_omp_single_simple): If libgomp function doesn't return boolean_type_node, add comparison of the return value with 0. (diagnose_sb_1, diagnose_sb_2): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. Handle OMP_TASK. (parallel_nesting_level): Rename to... (taskreg_nesting_level): ... this. (is_taskreg_ctx): New function. (build_outer_var_ref, omp_copy_decl): Use is_taskreg_ctx instead of is_parallel_ctx. (execute_lower_omp): Rename parallel_nesting_level to taskreg_nesting_level. (expand_omp_parallel): Rename to... (expand_omp_taskreg): ... this. Use OMP_TASKREG_* macros where needed. Call omp_task_call for OMP_TASK regions. (expand_omp): Adjust caller, handle OMP_TASK. (lower_omp_1): Adjust lower_omp_taskreg caller, handle OMP_TASK. * bitmap.c (bitmap_default_obstack_depth): New variable. (bitmap_obstack_initialize, bitmap_obstack_release): Do nothing if argument is NULL and bitmap_default_obstack is already initialized. * ipa-struct-reorg.c (do_reorg_1): Call bitmap_obstack_release at the end. * matrix-reorg.c (matrix_reorg): Likewise. cp/ * cp-tree.h (cxx_omp_finish_clause, cxx_omp_create_clause_info, dependent_omp_for_p, begin_omp_task, finish_omp_task, finish_omp_taskwait): New prototypes. (cxx_omp_clause_default_ctor): Add outer argument. (finish_omp_for): Add new clauses argument. * cp-gimplify.c (cxx_omp_finish_clause): New function. (cxx_omp_predetermined_sharing): Moved from semantics.c, rewritten. (cxx_omp_clause_default_ctor): Add outer argument. (cp_genericize_r): Walk OMP_CLAUSE_LASTPRIVATE_STMT. * cp-objcp-common.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define. * parser.c (cp_parser_omp_for_loop): Parse collapsed for loops. Add par_clauses argument. If decl is present in parallel's lastprivate clause, change that clause to shared and add a lastprivate clause for decl to OMP_FOR_CLAUSES. Fix wording of error messages. Adjust finish_omp_for caller. Add clauses argument. Parse loops with random access iterators. (cp_parser_omp_clause_collapse, cp_parser_omp_clause_untied): New functions. (cp_parser_omp_for, cp_parser_omp_parallel): Adjust cp_parser_omp_for_loop callers. (cp_parser_omp_for_cond, cp_parser_omp_for_incr): New helper functions. (cp_parser_omp_clause_name): Handle collapse and untied clauses. (cp_parser_omp_clause_schedule): Handle auto schedule. (cp_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE and PRAGMA_OMP_CLAUSE_UNTIED. (OMP_FOR_CLAUSE_MASK): Add PRAGMA_OMP_CLAUSE_COLLAPSE. (OMP_TASK_CLAUSE_MASK): Define. (cp_parser_omp_task, cp_parser_omp_taskwait): New functions. (cp_parser_omp_construct): Handle PRAGMA_OMP_TASK. (cp_parser_pragma): Handle PRAGMA_OMP_TASK and PRAGMA_OMP_TASKWAIT. * pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Handle OMP_CLAUSE_LASTPRIVATE_STMT. (tsubst_omp_for_iterator): New function. (dependent_omp_for_p): New function. (tsubst_expr) <case OMP_FOR>: Use it. Handle collapsed OMP_FOR loops. Adjust finish_omp_for caller. Handle loops with random access iterators. Adjust for OMP_FOR_{INIT,COND,INCR} changes. (tsubst_expr): Handle OMP_TASK. * semantics.c (cxx_omp_create_clause_info): New function. (finish_omp_clauses): Call it. Handle OMP_CLAUSE_UNTIED and OMP_CLAUSE_COLLAPSE. (cxx_omp_predetermined_sharing): Removed. * semantics.c (finish_omp_for): Allow pointer iterators. Use handle_omp_for_class_iterator and dependent_omp_for_p. Handle collapsed for loops. Adjust c_finish_omp_for caller. Add new clauses argument. Fix check for type dependent cond or incr. Set OMP_FOR_CLAUSES to clauses. Use cp_convert instead of fold_convert to convert incr amount to difference_type. Only fold if not in template. If decl is mentioned in lastprivate clause, set OMP_CLAUSE_LASTPRIVATE_STMT. Handle loops with random access iterators. Adjust for OMP_FOR_{INIT,COND,INCR} changes. (finish_omp_threadprivate): Allow static class members of the current class. (handle_omp_for_class_iterator, begin_omp_task, finish_omp_task, finish_omp_taskwait): New functions. * parser.c (cp_parser_binary_expression): Add prec argument. (cp_parser_assignment_expression): Adjust caller. * cp-tree.h (outer_curly_brace_block): New prototype. * decl.c (outer_curly_brace_block): No longer static. fortran/ * scanner.c (skip_free_comments, skip_fixed_comments): Handle tabs. * parse.c (next_free): Allow tab after !$omp. (decode_omp_directive): Handle !$omp task, !$omp taskwait and !$omp end task. (case_executable): Add ST_OMP_TASKWAIT. (case_exec_markers): Add ST_OMP_TASK. (gfc_ascii_statement): Handle ST_OMP_TASK, ST_OMP_END_TASK and ST_OMP_TASKWAIT. (parse_omp_structured_block, parse_executable): Handle ST_OMP_TASK. * gfortran.h (gfc_find_sym_in_expr): New prototype. (gfc_statement): Add ST_OMP_TASK, ST_OMP_END_TASK and ST_OMP_TASKWAIT. (gfc_omp_clauses): Add OMP_SCHED_AUTO to sched_kind, OMP_DEFAULT_FIRSTPRIVATE to default_sharing. Add collapse and untied fields. (gfc_exec_op): Add EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * f95-lang.c (LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, LANG_HOOKS_OMP_CLAUSE_DTOR, LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define. * trans.h (gfc_omp_clause_default_ctor): Add another argument. (gfc_omp_clause_copy_ctor, gfc_omp_clause_assign_op, gfc_omp_clause_dtor, gfc_omp_private_outer_ref): New prototypes. * types.def (BT_ULONGLONG, BT_PTR_ULONGLONG, BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_VOID_PTR_PTR, BT_PTR_FN_VOID_PTR_PTR, BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New. (BT_BOOL): Use integer type with BOOL_TYPE_SIZE rather than boolean_type_node. * dump-parse-tree.c (gfc_show_omp_node): Handle EXEC_OMP_TASK, EXEC_OMP_TASKWAIT, OMP_SCHED_AUTO, OMP_DEFAULT_FIRSTPRIVATE, untied and collapse clauses. (gfc_show_code_node): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * trans.c (gfc_trans_code): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * st.c (gfc_free_statement): Likewise. * resolve.c (gfc_resolve_blocks, resolve_code): Likewise. (find_sym_in_expr): Rename to... (gfc_find_sym_in_expr): ... this. No longer static. (resolve_allocate_expr, resolve_ordinary_assign): Adjust caller. * match.h (gfc_match_omp_task, gfc_match_omp_taskwait): New prototypes. * openmp.c (resolve_omp_clauses): Allow allocatable arrays in firstprivate, lastprivate, reduction, copyprivate and copyin clauses. (omp_current_do_code): Made static. (omp_current_do_collapse): New variable. (gfc_resolve_omp_do_blocks): Compute omp_current_do_collapse, clear omp_current_do_code and omp_current_do_collapse on return. (gfc_resolve_do_iterator): Handle collapsed do loops. (resolve_omp_do): Likewise, diagnose errorneous collapsed do loops. (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): Define. (gfc_match_omp_clauses): Handle default (firstprivate), schedule (auto), untied and collapse (n) clauses. (OMP_DO_CLAUSES): Add OMP_CLAUSE_COLLAPSE. (OMP_TASK_CLAUSES): Define. (gfc_match_omp_task, gfc_match_omp_taskwait): New functions. * trans-openmp.c (gfc_omp_private_outer_ref): New function. (gfc_omp_clause_default_ctor): Add outer argument. For allocatable arrays allocate them with the bounds of the outer var if outer var is allocated. (gfc_omp_clause_copy_ctor, gfc_omp_clause_assign_op, gfc_omp_clause_dtor): New functions. (gfc_trans_omp_array_reduction): If decl is allocatable array, allocate it with outer var's bounds in OMP_CLAUSE_REDUCTION_INIT and deallocate it in OMP_CLAUSE_REDUCTION_MERGE. (gfc_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED for assumed-size arrays. (gfc_trans_omp_do): Add par_clauses argument. If dovar is present in lastprivate clause and do loop isn't simple, set OMP_CLAUSE_LASTPRIVATE_STMT. If dovar is present in parallel's lastprivate clause, change it to shared and add lastprivate clause to OMP_FOR_CLAUSES. Handle collapsed do loops. (gfc_trans_omp_directive): Adjust gfc_trans_omp_do callers. (gfc_trans_omp_parallel_do): Likewise. Move collapse clause to OMP_FOR from OMP_PARALLEL. (gfc_trans_omp_clauses): Handle OMP_SCHED_AUTO, OMP_DEFAULT_FIRSTPRIVATE, untied and collapse clauses. (gfc_trans_omp_task, gfc_trans_omp_taskwait): New functions. (gfc_trans_omp_directive): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. gcc/testsuite/ * gcc.dg/gomp/collapse-1.c: New test. * gcc.dg/gomp/nesting-1.c: New test. * g++.dg/gomp/task-1.C: New test. * g++.dg/gomp/predetermined-1.C: New test. * g++.dg/gomp/tls-4.C: New test. * gfortran.dg/gomp/collapse1.f90: New test. * gfortran.dg/gomp/sharing-3.f90: New test. * gcc.dg/gomp/pr27499.c (foo): Remove is unsigned dg-warning. * g++.dg/gomp/pr27499.C (foo): Likewise. * g++.dg/gomp/for-16.C (foo): Likewise. * g++.dg/gomp/tls-3.C: Remove dg-error, add S::s definition. * g++.dg/gomp/pr34607.C: Adjust dg-error location. * g++.dg/gomp/for-16.C (foo): Add a new dg-error. * gcc.dg/gomp/appendix-a/a.35.4.c: Add dg-warning. * gcc.dg/gomp/appendix-a/a.35.6.c: Likewise. * gfortran.dg/gomp/appendix-a/a.35.4.f90: Likewise. * gfortran.dg/gomp/appendix-a/a.35.6.f90: Likewise. * gfortran.dg/gomp/omp_parse1.f90: Remove !$omp tab test. * gfortran.dg/gomp/appendix-a/a.33.4.f90: Remove dg-error about allocatable array. * gfortran.dg/gomp/reduction1.f90: Likewise. libgomp/ * configure.ac (LIBGOMP_GNU_SYMBOL_VERSIONING): New AC_DEFINE. Substitute also OMP_*LOCK_25*. * configure: Regenerated. * config.h.in: Regenerated. * Makefile.am (libgomp_la_SOURCES): Add loop_ull.c, iter_ull.c, ptrlock.c and task.c. * Makefile.in: Regenerated. * testsuite/Makefile.in: Regenerated. * task.c: New file. * loop_ull.c: New file. * iter_ull.c: New file. * libgomp.h: Include ptrlock.h. (enum gomp_task_kind): New type. (struct gomp_team): Add task_lock, task_queue, task_count, task_running_count, single_count fields. Add work_share_list_free_lock ifndef HAVE_SYNC_BUILTINS. Remove work_share_lock, generation_mask, oldest_live_gen, num_live_gen and init_work_shares fields, add work work_share_list_alloc, work_share_list_free and work_share_chunk fields. Change work_shares from pointer to pointers into an array. Change ordered_release field into gomp_sem_t ** from flexible array member. Add implicit_task and initial_work_shares fields. Move close to the end of the struct. (struct gomp_team_state): Add single_count, last_work_share, active_level and level fields, remove work_share_generation. (gomp_barrier_handle_tasks): New prototype. (gomp_finish_task): New inline function. (struct gomp_work_share): Move chunk_size, end, incr into transparent union/struct, add chunk_size_ull, end_ll, incr_ll and next_ll fields. Reshuffle fields. Add next_alloc, next_ws, next_free and inline_ordered_team_ids fields, change ordered_team_ids into pointer from flexible array member. Add mode field. Put lock and next into a different cache line from most of the write-once fields. (gomp_iter_ull_static_next, gomp_iter_ull_dynamic_next_locked, gomp_iter_ull_guided_next_locked, gomp_iter_ull_dynamic_next, gomp_iter_ull_guided_next): New prototypes. (gomp_new_icv): New prototype. (struct gomp_thread): Add thread_pool and task fields. (struct gomp_thread_pool): New type. (gomp_new_team): New prototype. (gomp_team_start): Change type of last argument. (gomp_new_work_share): Removed. (gomp_init_work_share, gomp_fini_work_share): New prototypes. (gomp_work_share_init_done): New static inline. (gomp_throttled_spin_count_var, gomp_available_cpus, gomp_managed_threads): New extern decls. (gomp_init_task): New prototype. (gomp_spin_count_var): New extern var decl. (LIBGOMP_GNU_SYMBOL_VERSIONING): Undef if no visibility or no alias support, or if not PIC. (gomp_init_lock_30, gomp_destroy_lock_30, gomp_set_lock_30, gomp_unset_lock_30, gomp_test_lock_30, gomp_init_nest_lock_30, gomp_destroy_nest_lock_30, gomp_set_nest_lock_30, gomp_unset_nest_lock_30, gomp_test_nest_lock_30, gomp_init_lock_25, gomp_destroy_lock_25, gomp_set_lock_25, gomp_unset_lock_25, gomp_test_lock_25, gomp_init_nest_lock_25, gomp_destroy_nest_lock_25, gomp_set_nest_lock_25, gomp_unset_nest_lock_25, gomp_test_nest_lock_25): New prototypes. (omp_lock_symver, strong_alias): Define. (gomp_remaining_threads_count, gomp_remaining_threads_lock): New decls. (gomp_end_task): New. (struct gomp_task_icv, gomp_global_icv): New. (gomp_thread_limit_var, gomp_max_active_levels_var): New. (struct gomp_task): New. (gomp_nthreads_var, gomp_dyn_var, gomp_nest_var, gomp_run_sched_var, gomp_run_sched_chunk): Remove. (gomp_icv): New. (gomp_schedule_type): Reorder enum to match omp_sched_t. * team.c (struct gomp_thread_start_data): Add thread_pool and task fields. (gomp_thread_start): Add gomp_team_barrier_wait call. For non-nested case remove clearing of docked thread thr fields. Use pool fields instead of global gomp_* variables. Use gomp_barrier_wait_last when needed. Initialize ts.active_level. Create tasks for each member thread. (free_team): Only destroy team barrier, task_lock here and free it. (gomp_free_thread): Free last_team if non-NULL. (gomp_team_end): Call gomp_team_barrier_wait instead of gomp_barrier_wait. For nested case call one extra gomp_barrier_wait. Move here some destruction from free_team. Call free_team on pool->last_team if any, rather than freeing current team. Destroy work_share_list_free_lock ifndef HAVE_SYNC_BUILTINS. (gomp_new_icv): New function. (gomp_threads, gomp_threads_size, gomp_threads_used, gomp_threads_dock): Removed. (gomp_thread_destructor): New variable. (gomp_new_thread_pool, gomp_free_pool_helper, gomp_free_thread): New functions. (gomp_team_start): Create new pool if current thread doesn't have one. Use pool fields instead of global gomp_* variables. Initialize thread_pool field for new threads. Clear single_count. Change last argument from ws to team, don't create new team, set ts.work_share to &team->work_shares[0] and clear ts.last_work_share. Don't clear ts.work_share_generation. If number of threads changed, adjust atomically gomp_managed_threads. Use gomp_init_task instead of gomp_new_task, set thr->task to the corresponding implicit_task array entry. Create tasks for each member thread. Initialize ts.level. (initialize_team): Call pthread_key_create on gomp_thread_destructor. (team_destructor): New function. (new_team): Removed. (gomp_new_team): New function. (free_team): Free gomp_work_share blocks chained through next_alloc, instead of freeing work_shares and destroying work_share_lock. (gomp_team_end): Call gomp_fini_work_share. If number of threads changed, adjust atomically gomp_managed_threads. Use gomp_end_task. * barrier.c (GOMP_barrier): Call gomp_team_barrier_wait instead of gomp_barrier_wait. * single.c (GOMP_single_copy_start): Call gomp_team_barrier_wait instead of gomp_barrier_wait. Call gomp_work_share_init_done if gomp_work_share_start returned true. Don't unlock ws->lock. (GOMP_single_copy_end): Call gomp_team_barrier_wait instead of gomp_barrier_wait. (GOMP_single_start): Rewritten if HAVE_SYNC_BUILTINS. Call gomp_work_share_init_done if gomp_work_share_start returned true. Don't unlock ws->lock. * work.c: Include stddef.h. (free_work_share): Use work_share_list_free_lock instead of atomic chaining ifndef HAVE_SYNC_BUILTINS. Add team argument. Call gomp_fini_work_share and then either free ws if orphaned, or put it into work_share_list_free list of the current team. (alloc_work_share, gomp_init_work_share, gomp_fini_work_share): New functions. (gomp_work_share_start, gomp_work_share_end, gomp_work_share_end_nowait): Rewritten. * omp_lib.f90.in Change some tabs to spaces to prevent warnings. (openmp_version): Set to 200805. (omp_sched_kind, omp_sched_static, omp_sched_dynamic, omp_sched_guided, omp_sched_auto): New parameters. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New interfaces. * omp_lib.h.in (openmp_version): Set to 200805. (omp_sched_kind, omp_sched_static, omp_sched_dynamic, omp_sched_guided, omp_sched_auto): New parameters. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New externals. * loop.c: Include limits.h. (GOMP_loop_runtime_next, GOMP_loop_ordered_runtime_next): Handle GFS_AUTO. (GOMP_loop_runtime_start, GOMP_loop_ordered_runtime_start): Likewise. Use gomp_icv. (gomp_loop_static_start, gomp_loop_dynamic_start): Clear ts.static_trip here. (gomp_loop_static_start, gomp_loop_ordered_static_start): Call gomp_work_share_init_done after gomp_loop_init. Don't unlock ws->lock. (gomp_loop_dynamic_start, gomp_loop_guided_start): Call gomp_work_share_init_done after gomp_loop_init. If HAVE_SYNC_BUILTINS, don't unlock ws->lock, otherwise lock it. (gomp_loop_ordered_dynamic_start, gomp_loop_ordered_guided_start): Call gomp_work_share_init_done after gomp_loop_init. Lock ws->lock. (gomp_parallel_loop_start): Call gomp_new_team instead of gomp_new_work_share. Call gomp_loop_init on &team->work_shares[0]. Adjust gomp_team_start caller. Pass 0 as second argument to gomp_resolve_num_threads. (gomp_loop_init): For GFS_DYNAMIC, multiply ws->chunk_size by incr. If adding ws->chunk_size nthreads + 1 times after end won't overflow, set ws->mode to 1. * libgomp_g.h (GOMP_loop_ull_static_start, GOMP_loop_ull_dynamic_start, GOMP_loop_ull_guided_start, GOMP_loop_ull_runtime_start, GOMP_loop_ull_ordered_static_start, GOMP_loop_ull_ordered_dynamic_start, GOMP_loop_ull_ordered_guided_start, GOMP_loop_ull_ordered_runtime_start, GOMP_loop_ull_static_next, GOMP_loop_ull_dynamic_next, GOMP_loop_ull_guided_next, GOMP_loop_ull_runtime_next, GOMP_loop_ull_ordered_static_next, GOMP_loop_ull_ordered_dynamic_next, GOMP_loop_ull_ordered_guided_next, GOMP_loop_ull_ordered_runtime_next, GOMP_task, GOMP_taskwait): New prototypes. * libgomp.map: Export lock routines also @@OMP_2.0. (GOMP_loop_ordered_dynamic_first, GOMP_loop_ordered_guided_first, GOMP_loop_ordered_runtime_first, GOMP_loop_ordered_static_first): Remove. (GOMP_loop_ull_dynamic_next, GOMP_loop_ull_dynamic_start, GOMP_loop_ull_guided_next, GOMP_loop_ull_guided_start, GOMP_loop_ull_ordered_dynamic_next, GOMP_loop_ull_ordered_dynamic_start, GOMP_loop_ull_ordered_guided_next, GOMP_loop_ull_ordered_guided_start, GOMP_loop_ull_ordered_runtime_next, GOMP_loop_ull_ordered_runtime_start, GOMP_loop_ull_ordered_static_next, GOMP_loop_ull_ordered_static_start, GOMP_loop_ull_runtime_next, GOMP_loop_ull_runtime_start, GOMP_loop_ull_static_next, GOMP_loop_ull_static_start, GOMP_task, GOMP_taskwait): Export @@GOMP_2.0. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level, omp_set_schedule_, omp_set_schedule_8_, omp_get_schedule_, omp_get_schedule_8_, omp_get_thread_limit_, omp_set_max_active_levels_, omp_set_max_active_levels_8_, omp_get_max_active_levels_, omp_get_level_, omp_get_ancestor_thread_num_, omp_get_ancestor_thread_num_8_, omp_get_team_size_, omp_get_team_size_8_, omp_get_active_level_): New exports @@OMP_3.0. * omp.h.in (omp_sched_t): New type. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New prototypes. * env.c (gomp_spin_count_var, gomp_throttled_spin_count_var, gomp_available_cpus, gomp_managed_threads, gomp_max_active_levels_var, gomp_thread_limit_var, gomp_remaining_threads_count, gomp_remaining_threads_lock): New variables. (parse_spincount): New function. (initialize_env): Call gomp_init_num_threads unconditionally. Initialize gomp_available_cpus. Call parse_spincount, initialize gomp_{,throttled_}spin_count_var depending on presence and value of OMP_WAIT_POLICY and GOMP_SPINCOUNT env vars. Handle GOMP_BLOCKTIME env var. Handle OMP_WAIT_POLICY, OMP_MAX_ACTIVE_LEVELS, OMP_THREAD_LIMIT, OMP_STACKSIZE env vars. Handle unit specification for GOMP_STACKSIZE. Initialize gomp_remaining_threads_count and gomp_remaining_threads_lock if needed. Use gomp_global_icv. (gomp_nthreads_var, gomp_dyn_var, gomp_nest_var, gomp_run_sched_var, gomp_run_sched_chunk): Remove. (gomp_global_icv): New. (parse_schedule): Use it. Parse "auto". (omp_set_num_threads): Use gomp_icv. (omp_set_dynamic, omp_get_dynamic, omp_set_nested, omp_get_nested): Likewise. (omp_get_max_threads): Move from parallel.c. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels): New functions, add ialias. (parse_stacksize, parse_wait_policy): New functions. * fortran.c: Rewrite lock wrappers, if symbol versioning provide both wrappers for compatibility and new locks. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New ialias_redirect. (omp_set_schedule_, omp_set_schedule_8_, omp_get_schedule_, omp_get_schedule_8_, omp_get_thread_limit_, omp_set_max_active_levels_, omp_set_max_active_levels_8_, omp_get_max_active_levels_, omp_get_level_, omp_get_ancestor_thread_num_, omp_get_ancestor_thread_num_8_, omp_get_team_size_, omp_get_team_size_8_, omp_get_active_level_): New functions. * parallel.c: Include limits.h. (gomp_resolve_num_threads): Add count argument. Rewritten. (GOMP_parallel_start): Call gomp_new_team and pass that as last argument to gomp_team_start. Pass 0 as second argument to gomp_resolve_num_threads. (GOMP_parallel_end): Decrease gomp_remaining_threads_count if gomp_thread_limit_var != ULONG_MAX. (omp_in_parallel): Implement using ts.active_level. (omp_get_max_threads): Move to env.c. (omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New functions, add ialias. * sections.c (GOMP_sections_start): Call gomp_work_share_init_done after gomp_sections_init. If HAVE_SYNC_BUILTINS, call gomp_iter_dynamic_next instead of the _locked variant and don't take lock around it, otherwise acquire it before calling gomp_iter_dynamic_next_locked. (GOMP_sections_next): If HAVE_SYNC_BUILTINS, call gomp_iter_dynamic_next instead of the _locked variant and don't take lock around it. (GOMP_parallel_sections_start): Call gomp_new_team instead of gomp_new_work_share. Call gomp_sections_init on &team->work_shares[0]. Adjust gomp_team_start caller. Pass count as second argument to gomp_resolve_num_threads, don't adjust num_threads after the call. Use gomp_icv. * iter.c (gomp_iter_dynamic_next_locked): Don't multiply ws->chunk_size by incr. (gomp_iter_dynamic_next): Likewise. If ws->mode, use more efficient code. * libgomp_f.h.in (omp_lock_25_arg_t, omp_nest_lock_25_arg_t): New types. (omp_lock_25_arg, omp_nest_lock_25_arg): New macros. (omp_check_defines): Check even the compat defines. * config/linux/ptrlock.c: New file. * config/linux/ptrlock.h: New file. * config/linux/wait.h: New file. * config/posix/ptrlock.c: New file. * config/posix/ptrlock.h: New file. * config/linux/bar.h (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New prototypes. (gomp_team_barrier_set_task_pending, gomp_team_barrier_clear_task_pending, gomp_team_barrier_set_waiting_for_tasks, gomp_team_barrier_waiting_for_tasks, gomp_team_barrier_done): New inlines. (gomp_barrier_t): Rewritten. (gomp_barrier_state_t): New typedef. (gomp_barrier_init, gomp_barrier_reinit, gomp_barrier_destroy, gomp_barrier_wait_start): Rewritten. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_barrier_last_thread, gomp_barrier_wait_last): New static inlines. * config/linux/bar.c: Include wait.h instead of libgomp.h and futex.h. (gomp_barrier_wait_end): Rewritten. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake, gomp_barrier_wait_last): New functions. * config/posix/bar.h (gomp_barrier_t): Add generation field. (gomp_barrier_state_t): New typedef. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New prototypes. (gomp_barrier_wait_start): Or all but low 2 bits from generation into the return value. Return gomp_barrier_state_t. (gomp_team_barrier_set_task_pending, gomp_team_barrier_clear_task_pending, gomp_team_barrier_set_waiting_for_tasks, gomp_team_barrier_waiting_for_tasks, gomp_team_barrier_done): New inlines. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_barrier_last_thread, gomp_barrier_wait_last): New static inlines. * config/posix/bar.c (gomp_barrier_init): Clear generation field. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New functions. * config/linux/mutex.c: Include wait.h instead of libgomp.h and futex.h. (gomp_futex_wake, gomp_futex_wait): New variables. (gomp_mutex_lock_slow): Call do_wait instead of futex_wait. * config/linux/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. Include wait.h instead of libgomp.h and futex.h. (gomp_set_nest_lock_25): Call do_wait instead of futex_wait. * config/posix95/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. * config/posix/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. * config/linux/proc.c (gomp_init_num_threads): Use gomp_global_icv. (get_num_procs, gomp_dynamic_max_threads): Use gomp_icv. * config/posix/proc.c, config/mingw32/proc.c: Similarly. * config/linux/powerpc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/alpha/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/x86/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/s390/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/ia64/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/sparc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/sem.c: Include wait.h instead of libgomp.h and futex.h. (gomp_sem_wait_slow): Call do_wait instead of futex_wait. * config/linux/affinity.c: Assume HAVE_SYNC_BUILTINS. * config/linux/omp-lock.h (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_nest_lock_t): Change owner into void *, add lock field. * config/posix95/omp-lock.h: Include semaphore.h. (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_lock_t): Use sem_t instead of mutex if semaphores aren't broken. (omp_nest_lock_t): Likewise. Change owner to void *. * config/posix/omp-lock.h: Include semaphore.h. (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_lock_t): Use sem_t instead of mutex if semaphores aren't broken. (omp_nest_lock_t): Likewise. Add owner field. * testsuite/libgomp.c/collapse-1.c: New test. * testsuite/libgomp.c/collapse-2.c: New test. * testsuite/libgomp.c/collapse-3.c: New test. * testsuite/libgomp.c/icv-1.c: New test. * testsuite/libgomp.c/icv-2.c: New test. * testsuite/libgomp.c/lib-2.c: New test. * testsuite/libgomp.c/lock-1.c: New test. * testsuite/libgomp.c/lock-2.c: New test. * testsuite/libgomp.c/lock-3.c: New test. * testsuite/libgomp.c/loop-4.c: New test. * testsuite/libgomp.c/loop-5.c: New test. * testsuite/libgomp.c/loop-6.c: New test. * testsuite/libgomp.c/loop-7.c: New test. * testsuite/libgomp.c/loop-8.c: New test. * testsuite/libgomp.c/loop-9.c: New test. * testsuite/libgomp.c/nested-3.c: New test. * testsuite/libgomp.c/nestedfn-6.c: New test. * testsuite/libgomp.c/sort-1.c: New test. * testsuite/libgomp.c/task-1.c: New test. * testsuite/libgomp.c/task-2.c: New test. * testsuite/libgomp.c/task-3.c: New test. * testsuite/libgomp.c/task-4.c: New test. * testsuite/libgomp.c++/c++.exp: Add libstdc++-v3 build includes to C++ testsuite default compiler options. * testsuite/libgomp.c++/collapse-1.C: New test. * testsuite/libgomp.c++/collapse-2.C: New test. * testsuite/libgomp.c++/ctor-10.C: New test. * testsuite/libgomp.c++/for-1.C: New test. * testsuite/libgomp.c++/for-2.C: New test. * testsuite/libgomp.c++/for-3.C: New test. * testsuite/libgomp.c++/for-4.C: New test. * testsuite/libgomp.c++/for-5.C: New test. * testsuite/libgomp.c++/loop-8.C: New test. * testsuite/libgomp.c++/loop-9.C: New test. * testsuite/libgomp.c++/loop-10.C: New test. * testsuite/libgomp.c++/task-1.C: New test. * testsuite/libgomp.c++/task-2.C: New test. * testsuite/libgomp.c++/task-3.C: New test. * testsuite/libgomp.c++/task-4.C: New test. * testsuite/libgomp.c++/task-5.C: New test. * testsuite/libgomp.c++/task-6.C: New test. * testsuite/libgomp.fortran/allocatable1.f90: New test. * testsuite/libgomp.fortran/allocatable2.f90: New test. * testsuite/libgomp.fortran/allocatable3.f90: New test. * testsuite/libgomp.fortran/allocatable4.f90: New test. * testsuite/libgomp.fortran/collapse1.f90: New test. * testsuite/libgomp.fortran/collapse2.f90: New test. * testsuite/libgomp.fortran/collapse3.f90: New test. * testsuite/libgomp.fortran/collapse4.f90: New test. * testsuite/libgomp.fortran/lastprivate1.f90: New test. * testsuite/libgomp.fortran/lastprivate2.f90: New test. * testsuite/libgomp.fortran/lib4.f90: New test. * testsuite/libgomp.fortran/lock-1.f90: New test. * testsuite/libgomp.fortran/lock-2.f90: New test. * testsuite/libgomp.fortran/nested1.f90: New test. * testsuite/libgomp.fortran/nestedfn4.f90: New test. * testsuite/libgomp.fortran/strassen.f90: New test. * testsuite/libgomp.fortran/tabs1.f90: New test. * testsuite/libgomp.fortran/tabs2.f: New test. * testsuite/libgomp.fortran/task1.f90: New test. * testsuite/libgomp.fortran/task2.f90: New test. * testsuite/libgomp.fortran/vla4.f90: Add dg-warning. * testsuite/libgomp.fortran/vla5.f90: Likewise. * testsuite/libgomp.c/pr26943-2.c: Likewise. * testsuite/libgomp.c/pr26943-3.c: Likewise. * testsuite/libgomp.c/pr26943-4.c: Likewise. Co-Authored-By: Jakob Blomer <jakob.blomer@ira.uka.de> Co-Authored-By: Richard Henderson <rth@redhat.com> Co-Authored-By: Ulrich Drepper <drepper@redhat.com> From-SVN: r136433
2008-06-06 15:01:54 +02:00
struct gomp_team_state *ts = &gomp_thread ()->ts;
if (level < 0 || level > ts->level)
return -1;
for (level = ts->level - level; level > 0; --level)
ts = &ts->team->prev_ts;
return ts->team_id;
}
[multiple changes] 2006-01-18 Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * libgomp: New directory. * Makefile.def: Add target_module libgomp. * Makefile.in: Regenerate. * configure.in (target_libraries): Add target-libgomp. * configure: Regenerate. contrib/ 2006-01-18 Richard Henderson <rth@redhat.com> Diego Novillo <dnovillo@redhat.com> * gcc_update (files_and_dependencies): Add libgomp files. gcc/ 2006-01-18 Richard Henderson <rth@redhat.com> Aldy Hernandez <aldyh@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * omp-low.c: New file. * c-omp.c: New file. 2006-01-18 Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * doc/invoke.texi: Document -fopenmp. * tree-dump.h (debug_function): Declare. * hooks.c (hook_bool_tree_bool_false): New function. (hook_tree_tree_null): Remove. (hook_tree_tree_tree_null): New. * hooks.h: Update to match. * tree-pretty-print.c (debug_tree_chain): New. (print_generic_expr): Handle TDF_CHAIN. (dump_generic_node): Handle BLOCK. Do not abort with incomplete SWITCH_EXPRs. Do not dump body of an OpenMP directive if TDF_SLIM is given. <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't print space after directive name. <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY. Handle OMP_MASTER and OMP_ORDERED. Handle printing of OMP_BODY just in one place, goto dump_omp_body in the rest of OMP_* nodes that have OMP_BODY. Don't handle clause nodes here. Update omp statements to use dump_omp_clauses. Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION, OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC, OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF, GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED, GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE, GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE. Adjust output for GOMP_PARALLEL. (dump_omp_clauses): New. (print_declaration): Dump DECL_VALUE_EXPR. (op_symbol_1): Split out of op_symbol. (dumping_stmts): Remove. Update all users. * cgraph.c (cgraph_analyze_queue): New. (cgraph_add_new_function): New. * cgraph.h (cgraph_analyze_queue): Declare. (cgraph_add_new_function): Declare. (cgraph_lower_function): Remove. * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_* nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS and TYPE_P nodes in its default clause. (empty_body_p): New. (tree_range_check_failed): New. (build5_stat): New. * tree.h (OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE, OMP_CLAUSE_REDUCTION_PLACEHOLDER, OMP_CLAUSE_PRIVATE_DEBUG, OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY, OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY, OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND, OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL, OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR, OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT, OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT, OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC, OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST, OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY, OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY, OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New. (TREE_RANGE_CHECK): New. (empty_body_p): Declare. (enum omp_clause_default_kind): New. (build_string_literal): Declare. (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New. (build5_stat, build5): Declare. * tree-pass.h (TDF_CHAIN): Define. * tree-pass.h (PROP_gimple_lomp): Define. (pass_lower_omp): Declare. * diagnostic.h (debug_tree_chain): Declare. * builtins.c (get_builtin_sync_mode): Use 0 as last argument to mode_for_size. (expand_builtin): Handle sync BUILT_IN_*_16 builtins. * builtins.c (build_string_literal): Make extern. * gcc.c (include_spec_function): New. (static_spec_functions): Add it. (main): Move load of libgomp.spec ... (LINK_COMMAND_SPEC): ... here. (link_gomp_spec): New. (static_specs): Include it. (LINK_COMMAND_SPEC): Add link_gomp. (GOMP_SELF_SPECS): New. (driver_self_specs): Include it. (switch_matches): Don't mark inline. (main): Load libgomp.spec. * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION, and OMP_SINGLE, OMP_FOR and OMP_PARALLEL. * tree-gimple.h (enum omp_parallel): Declare. (determine_parallel_type): Declare. (omp_firstprivatize_variable): Declare. (omp_reduction_init): Declare. (diagnose_omp_structured_block_errors): Declare. (struct walk_stmt_info): Add want_return_expr. (struct walk_stmt_info): Add want_bind_expr, want_locations. (find_omp_clause): Declare. (insert_field_into_struct): Declare. (struct walk_stmt_info): Move from tree-nested.c (walk_stmts): Declare. * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP to 200505. * cgraphunit.c (cgraph_lower_function): Make static. (cgraph_finalize_pending_functions): New. (cgraph_finalize_function): Call it. (cgraph_finalize_compilation_unit): Likewise. * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16, BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add. (BT_FN_UINT_UINT): New. (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7, DEF_FUNCTION_TYPE_VAR_4): Document. (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT, BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR, BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT, BT_FN_VOID_OMPFN_PTR_UINT_UINT, BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR, BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New. * builtins.def: Update DEF_BUILTIN comment to include COND argument. Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins into separate files. (DEF_GOMP_BUILTIN): New. (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER, BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END, BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END, BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START, BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START, BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START, BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START, BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START, BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT, 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_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT, BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END, BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END, BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT, BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END, BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START, BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New. * sync-builtins.def: New file, moved from builtins.def. * omp-builtins.def: New file, moved from builtins.def. * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine. * gimple-low.c (lower_function_body): Clear data. (lower_stmt): Do not handle COMPOUND_EXPR. Remove call to print_node_brief. * c-tree.h (c_finish_omp_clauses): New prototype. (C_DECL_THREADPRIVATE_P): Define. (lookup_name_no_remap, c_omp_remap_private): Remove (c_begin_omp_parallel, c_finish_omp_parallel): Update. (check_for_loop_decls): Update decl. (lookup_name_no_remap, c_omp_remap_private): Declare. (build_indirect_ref, build_modify_expr, pushdecl, pushdecl_top_level): Move to c-common.h. * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp before the switch, but just in the 2 places that need it. * c-decl.c (diagnose_mismatched_decls): Do not check for mismatched thread-local attributes when OLDDECL is marked threadprivate and NEWDECL has no thread-local attributes. (merge_decls): Merge C_DECL_THREADPRIVATE_P. (c_gimple_diagnostics_recursively): Rename from c_warn_unused_result_recursively. Invoke diagnose_omp_structured_block_errors. (check_for_loop_decls): Return a singular decl found. * langhooks.c (lhd_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls. (lhd_omp_firstprivatize_type_sizes): New. (lhd_omp_assignment): New. (lhd_omp_predetermined_sharing): New. * langhooks.h (struct gimplify_omp_ctx): Forward declare. (struct lang_hooks_for_types): Add omp_firstprivatize_type_sizes, omp_privatize_by_reference, omp_predetermined_sharing, omp_disregard_value_expr, omp_private_debug_clause, omp_clause_default_ctor, omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor. (c_finish_omp_clauses): New. (c_finish_bc_stmt): Diagnose break within omp for. (c_begin_omp_parallel, c_finish_omp_parallel): New. (build_unary_op): Return error_mark after reporting a readonly_error. (build_modify_expr): Likewise. * gimplify.c: Include optabs.h and pointer-set.h. (enum gimplify_omp_var_data): Declare. (struct gimplify_omp_ctx): Declare. (struct gimplify_ctx): Add fields prev_context, combined_pre_p and combined_ctxp. (gimplify_ctxp, gimplify_omp_ctxp): New local variables. (push_gimplify_context, pop_gimplify_context): Allow nesting. (splay_tree_compare_decl_uid): New. (new_omp_context): New. (delete_omp_context): New. (gimple_add_tmp_var): Call omp_add_variable. (gimplify_bind_expr): Likewise. (gimplify_var_or_parm_decl): If omp_notice_variable returned true, disregard DECL_VALUE_EXPR on the decl if any. (gimplify_expr_in_ctx): New. (omp_firstprivatize_variable, omp_firstprivatize_type_sizes omp_add_variable, omp_notice_variable, omp_is_private gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1 gimplify_adjust_omp_clauses, gimplify_omp_parallel gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p gimplify_omp_atomic_fetch_op, goa_stabilize_expr gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex gimplify_omp_atomic): New. (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS, OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL and OMP_ATOMIC. (gimplify_body): Verify gimplify_ctxp is empty after gimplification. * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER, PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR, PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED, PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR, PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION, PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE, PRAGMA_OMP_THREADPRIVATE. * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS, OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define. * print-tree.c (print_node): Dump DECL_VALUE_EXPR. * tree-ssa-dce.c (find_control_dependence): Do not assume that ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR). * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for OpenMP directives. (struct nesting_info): Add field_map, suppress_expansion, debug_var_chain. (create_nesting_tree): Initialize them. (lookup_field_for_decl): Use field_map. (get_nonlocal_debug_decl, get_local_debug_decl): New. (convert_local_omp_clauses): New. (finalize_nesting_tree_1): Add debug_var_chain to toplevel block. (walk_body): Split out of walk_function. (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New. (convert_nonlocal_reference): Handle omp statements. (convert_local_reference): Likewise. (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1. (unnest_nesting_tree): New. (lower_nested_functions): Call it. (insert_field_into_struct): Make extern. (struct walk_stmt_info): Move to tree-gimple.h. (walk_stmts): Make extern. * omp-builtins.def: New file. * tree-iterator.c (expr_only): Clarify comment. * c-common.h (pushdecl_top_level, pushdecl, build_modify_expr, build_indirect_ref, c_finish_omp_master, c_finish_omp_critical, c_finish_omp_ordered, c_finish_omp_barrier, c_finish_omp_atomic, c_finish_omp_flush, c_finish_omp_for, c_split_parallel_clauses, omp_clause_default_kind, c_omp_sharing_predetermined, c_omp_remap_decl): Declare. * Makefile.in (BUILTINS_DEF): Add omp-builtins.def. (OBJS-common): Add omp-low.o. (c-omp.o, omp-low.o): Add. (gimplify.o): Add dependency on $(OPTABS_H). (GTFILES): Add omp-low.c. (gt-stringpool.h): Add. * tree-cfg.c (set_bb_for_stmt): Do not update the block-to-labels map if we are currently expanding to RTL. (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P checks. Handle IDENTIFIER_NODE. (tree_verify_flow_info): Do not ICE when emitting error messages about invalid labels. (dump_function_to_file): Reset CFUN before emitting the body of the function. (debug_function): New. * passes.c (init_optimization_passes): Schedule pass_lower_omp. * langhooks-def.h (lhd_omp_predetermined_sharing, lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes): Declare. (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define. (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it. (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE, LANG_HOOKS_OMP_PREDETERMINED_SHARING, LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR, LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE, LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR, LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, LANG_HOOKS_OMP_CLAUSE_DTOR): Define. (LANG_HOOK_DECLS): Use them. 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com> Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * c-parser.c (pragma_omp_clause): Define. (c_parser_declaration_or_fndef): Document OpenMP syntax. (c_parser_compound_statement): Likewise. (c_parser_statement): Likewise. (c_parser_pragma): Handle omp pragmas. (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK, OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define. (c_parser_omp_clause_name, check_no_duplicate_clause, c_parser_omp_variable_list, c_parser_omp_var_list_parens, c_parser_omp_clause_copyin, c_parser_omp_clause_copyprivate, c_parser_omp_clause_default, c_parser_omp_clause_firstprivate, c_parser_omp_clause_if, c_parser_omp_clause_lastprivate, c_parser_omp_clause_nowait, c_parser_omp_clause_num_threads, c_parser_omp_clause_ordered, c_parser_omp_clause_private, c_parser_omp_clause_reduction, c_parser_omp_clause_schedule, c_parser_omp_clause_shared, c_parser_omp_all_clauses, c_parser_omp_structured_block, c_parser_omp_atomic, c_parser_omp_barrier, c_parser_omp_critical, c_parser_omp_flush, c_parser_omp_for_loop, c_parser_omp_for, c_parser_omp_master, c_parser_omp_ordered, c_parser_omp_sections_scope, c_parser_omp_sections, c_parser_omp_parallel, c_parser_omp_single, c_parser_omp_construct, c_parser_omp_threadprivate): New. * c-pragma.c (init_pragma): Do omp pragma registration here. * c.opt (fopenmp): New flag. 2006-01-18 Eric Christopher <echristo@apple.com> * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif. * config/darwin.h (GOMP_SELF_SPECS): Define. testsuite/ 2006-01-18 Richard Henderson <rth@redhat.com> Aldy Hernandez <aldyh@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> Uros Bizjak <uros@kss-loka.si> * testsuite/gcc.dg/gomp: New directory. From-SVN: r109902
2006-01-18 20:21:25 +01:00
c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805. * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805. * langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause. Add omp_private_outer_ref hook, add another argument to omp_clause_default_ctor hook. * langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define. (LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define. (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to hook_tree_tree_tree_tree_null. (LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and LANG_HOOKS_OMP_PRIVATE_OUTER_REF. * hooks.c (hook_tree_tree_tree_tree_null): New function. * hooks.h (hook_tree_tree_tree_tree_null): New prototype. * tree.def (OMP_TASK): New tree code. * tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN, OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT, OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES, OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY, OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG, OMP_CLAUSE_COLLAPSE_EXPR): Define. (enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. (OMP_DIRECTIVE_P): Add OMP_TASK. (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes. (OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind. * tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED entries. (omp_clause_num_ops): Likewise. Increase OMP_CLAUSE_LASTPRIVATE num_ops to 2. (walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Walk OMP_CLAUSE_LASTPRIVATE_STMT. * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. (dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops. * c-omp.c (c_finish_omp_for): Allow pointer iterators. Remove warning about unsigned iterators. Change decl/init/cond/incr arguments to TREE_VECs, check arguments for all collapsed loops. (c_finish_omp_taskwait): New function. (c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to ws_clauses. * c-parser.c (c_parser_omp_for_loop): Parse collapsed loops. Call default_function_array_conversion on init. Add par_clauses argument. If decl is present in parallel's lastprivate clause, change it to shared and add lastprivate clause for decl to OMP_FOR_CLAUSES. Add clauses argument, on success set OMP_FOR_CLAUSES to it. Look up collapse count in clauses. (c_parser_omp_for, c_parser_omp_parallel): Adjust c_parser_omp_for_loop callers. (OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE. (c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT. (c_parser_omp_clause_name): Handle collapse and untied clauses. (c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New functions. (c_parser_omp_clause_schedule): Handle schedule(auto). Include correct location in the error message. (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE and PRAGMA_OMP_CLAUSE_UNTIED. (OMP_TASK_CLAUSE_MASK): Define. (c_parser_omp_task, c_parser_omp_taskwait): New functions. (c_parser_omp_construct): Handle PRAGMA_OMP_TASK. * tree-nested.c (convert_nonlocal_omp_clauses, convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE, OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in OMP_CLAUSE_DECL. (conver_nonlocal_reference, convert_local_reference, convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL. Use OMP_TASKREG_* macros rather than OMP_PARALLEL_*. (walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes. * tree-gimple.c (is_gimple_stmt): Handle OMP_TASK. * c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes. * c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New. (PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New. * c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions. (c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. * c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas. * c-common.h (c_finish_omp_taskwait): New prototype. * gimple-low.c (lower_stmt): Handle OMP_TASK. * tree-parloops.c (create_parallel_loop): Create 1 entry vectors for OMP_FOR_{INIT,COND,INCR}. * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers. (make_edges): Handle OMP_TASK. * tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. * tree-inline.c (estimate_num_insns_1): Handle OMP_TASK. * builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR, BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New. * omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT, BUILT_IN_GOMP_LOOP_ULL_STATIC_START, BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ULL_GUIDED_START, BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins. * gimplify.c (gimplify_omp_for): Allow pointer type for decl, handle POINTER_PLUS_EXPR. If loop counter has been replaced and original iterator is present in lastprivate clause or if collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT. Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. (gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK. (enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF. (omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed, if it is set, lookup var in outer contexts too. Handle OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. Handle vars that are supposed to be implicitly determined firstprivate for task regions. (gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed, if it is set, lookup var in outer contexts too. Set OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set. Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Take region_type as last argument instead of in_parallel and in_combined_parallel. (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare): Adjust callers. (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set. Call omp_finish_clause langhook. (new_omp_context): Set default_kind to OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions. (omp_region_type): New enum. (struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel fields, add region_type. (new_omp_context): Take region_type as argument instead of is_parallel and is_combined_parallel. (gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable, omp_is_private, omp_check_private): Adjust ctx->is_parallel and ctx->is_combined_parallel checks. (gimplify_omp_task): New function. (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. * omp-low.c (extract_omp_for_data): Use schedule(static) for schedule(auto). Handle pointer and unsigned iterators. Compute fd->iter_type. Handle POINTER_PLUS_EXPR increments. Add loops argument. Extract data for collapsed OMP_FOR loops. (expand_parallel_call): Assert sched_kind isn't auto, map runtime schedule to index 3. (struct omp_for_data_loop): New type. (struct omp_for_data): Remove v, n1, n2, step, cond_code fields. Add loop, loops, collapse and iter_type fields. (workshare_safe_to_combine_p): Disallow combined for if iter_type is unsigned long long. Don't combine collapse > 1 loops unless all bounds and steps are constant. Adjust extract_omp_for_data caller. (expand_omp_for_generic): Handle pointer, unsigned and long long iterators. Handle collapsed OMP_FOR loops. Adjust for struct omp_for_data changes. If libgomp function doesn't return boolean_type_node, add comparison of the return value with 0. (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle pointer, unsigned and long long iterators. Adjust for struct omp_for_data changes. (expand_omp_for): Assert sched_kind isn't auto, map runtime schedule to index 3. Use GOMP_loop_ull*{start,next} if iter_type is unsigned long long. Allocate loops array, pass it to extract_omp_for_data. For collapse > 1 loops use always expand_omp_for_generic. (omp_context): Add sfield_map and srecord_type fields. (is_task_ctx, lookup_sfield): New functions. (use_pointer_for_field): Use is_task_ctx helper. Change first argument's type from const_tree to tree. Clarify comment. In OMP_TASK disallow copy-in/out sharing. (build_sender_ref): Call lookup_sfield instead of lookup_field. (install_var_field): Add mask argument. Populate both record_type and srecord_type if needed. (delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN in srecord_type. (fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT} and DECL_FIELD_OFFSET. (scan_sharing_clauses): Adjust install_var_field callers. For firstprivate clauses on explicit tasks allocate the var by value in record_type unconditionally, rather than by reference. Handle OMP_CLAUSE_PRIVATE_OUTER_REF. Scan OMP_CLAUSE_LASTPRIVATE_STMT. Use is_taskreg_ctx instead of is_parallel_ctx. Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. (create_omp_child_function_name): Add task_copy argument, use *_omp_cpyfn* names if it is true. (create_omp_child_function): Add task_copy argument, if true create *_omp_cpyfn* helper function. (scan_omp_parallel): Adjust create_omp_child_function callers. Rename parallel_nesting_level to taskreg_nesting_level. (scan_omp_task): New function. (lower_rec_input_clauses): Don't run constructors for firstprivate explicit task vars which are initialized by *_omp_cpyfn*. Pass outer var ref to omp_clause_default_ctor hook if OMP_CLAUSE_PRIVATE_OUTER_REF or OMP_CLAUSE_LASTPRIVATE. Replace OMP_CLAUSE_REDUCTION_PLACEHOLDER decls in OMP_CLAUSE_REDUCTION_INIT. (lower_send_clauses): Clear DECL_ABSTRACT_ORIGIN if in task to avoid duplicate setting of fields. Handle OMP_CLAUSE_PRIVATE_OUTER_REF. (lower_send_shared_vars): Use srecord_type if non-NULL. Don't copy-out if TREE_READONLY, only copy-in. (expand_task_copyfn): New function. (expand_task_call): New function. (struct omp_taskcopy_context): New type. (task_copyfn_copy_decl, task_copyfn_remap_type, create_task_copyfn): New functions. (lower_omp_parallel): Rename to... (lower_omp_taskreg): ... this. Use OMP_TASKREG_* macros where needed. Call create_task_copyfn if srecord_type is needed. Adjust sender_decl type. (task_shared_vars): New variable. (check_omp_nesting_restrictions): Warn if work-sharing, barrier, master or ordered region is closely nested inside OMP_TASK. Add warnings for barrier if closely nested inside of work-sharing, ordered, or master region. (scan_omp_1): Call check_omp_nesting_restrictions even for GOMP_barrier calls. Rename parallel_nesting_level to taskreg_nesting_level. Handle OMP_TASK. (lower_lastprivate_clauses): Even if some lastprivate is found on a work-sharing construct, continue looking for them on parent parallel construct. (lower_omp_for_lastprivate): Add lastprivate clauses to the beginning of dlist rather than end. Adjust for struct omp_for_data changes. (lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY, not after it. Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller. (get_ws_args_for): Adjust extract_omp_for_data caller. (scan_omp_for): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. (lower_omp_single_simple): If libgomp function doesn't return boolean_type_node, add comparison of the return value with 0. (diagnose_sb_1, diagnose_sb_2): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. Handle OMP_TASK. (parallel_nesting_level): Rename to... (taskreg_nesting_level): ... this. (is_taskreg_ctx): New function. (build_outer_var_ref, omp_copy_decl): Use is_taskreg_ctx instead of is_parallel_ctx. (execute_lower_omp): Rename parallel_nesting_level to taskreg_nesting_level. (expand_omp_parallel): Rename to... (expand_omp_taskreg): ... this. Use OMP_TASKREG_* macros where needed. Call omp_task_call for OMP_TASK regions. (expand_omp): Adjust caller, handle OMP_TASK. (lower_omp_1): Adjust lower_omp_taskreg caller, handle OMP_TASK. * bitmap.c (bitmap_default_obstack_depth): New variable. (bitmap_obstack_initialize, bitmap_obstack_release): Do nothing if argument is NULL and bitmap_default_obstack is already initialized. * ipa-struct-reorg.c (do_reorg_1): Call bitmap_obstack_release at the end. * matrix-reorg.c (matrix_reorg): Likewise. cp/ * cp-tree.h (cxx_omp_finish_clause, cxx_omp_create_clause_info, dependent_omp_for_p, begin_omp_task, finish_omp_task, finish_omp_taskwait): New prototypes. (cxx_omp_clause_default_ctor): Add outer argument. (finish_omp_for): Add new clauses argument. * cp-gimplify.c (cxx_omp_finish_clause): New function. (cxx_omp_predetermined_sharing): Moved from semantics.c, rewritten. (cxx_omp_clause_default_ctor): Add outer argument. (cp_genericize_r): Walk OMP_CLAUSE_LASTPRIVATE_STMT. * cp-objcp-common.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define. * parser.c (cp_parser_omp_for_loop): Parse collapsed for loops. Add par_clauses argument. If decl is present in parallel's lastprivate clause, change that clause to shared and add a lastprivate clause for decl to OMP_FOR_CLAUSES. Fix wording of error messages. Adjust finish_omp_for caller. Add clauses argument. Parse loops with random access iterators. (cp_parser_omp_clause_collapse, cp_parser_omp_clause_untied): New functions. (cp_parser_omp_for, cp_parser_omp_parallel): Adjust cp_parser_omp_for_loop callers. (cp_parser_omp_for_cond, cp_parser_omp_for_incr): New helper functions. (cp_parser_omp_clause_name): Handle collapse and untied clauses. (cp_parser_omp_clause_schedule): Handle auto schedule. (cp_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE and PRAGMA_OMP_CLAUSE_UNTIED. (OMP_FOR_CLAUSE_MASK): Add PRAGMA_OMP_CLAUSE_COLLAPSE. (OMP_TASK_CLAUSE_MASK): Define. (cp_parser_omp_task, cp_parser_omp_taskwait): New functions. (cp_parser_omp_construct): Handle PRAGMA_OMP_TASK. (cp_parser_pragma): Handle PRAGMA_OMP_TASK and PRAGMA_OMP_TASKWAIT. * pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Handle OMP_CLAUSE_LASTPRIVATE_STMT. (tsubst_omp_for_iterator): New function. (dependent_omp_for_p): New function. (tsubst_expr) <case OMP_FOR>: Use it. Handle collapsed OMP_FOR loops. Adjust finish_omp_for caller. Handle loops with random access iterators. Adjust for OMP_FOR_{INIT,COND,INCR} changes. (tsubst_expr): Handle OMP_TASK. * semantics.c (cxx_omp_create_clause_info): New function. (finish_omp_clauses): Call it. Handle OMP_CLAUSE_UNTIED and OMP_CLAUSE_COLLAPSE. (cxx_omp_predetermined_sharing): Removed. * semantics.c (finish_omp_for): Allow pointer iterators. Use handle_omp_for_class_iterator and dependent_omp_for_p. Handle collapsed for loops. Adjust c_finish_omp_for caller. Add new clauses argument. Fix check for type dependent cond or incr. Set OMP_FOR_CLAUSES to clauses. Use cp_convert instead of fold_convert to convert incr amount to difference_type. Only fold if not in template. If decl is mentioned in lastprivate clause, set OMP_CLAUSE_LASTPRIVATE_STMT. Handle loops with random access iterators. Adjust for OMP_FOR_{INIT,COND,INCR} changes. (finish_omp_threadprivate): Allow static class members of the current class. (handle_omp_for_class_iterator, begin_omp_task, finish_omp_task, finish_omp_taskwait): New functions. * parser.c (cp_parser_binary_expression): Add prec argument. (cp_parser_assignment_expression): Adjust caller. * cp-tree.h (outer_curly_brace_block): New prototype. * decl.c (outer_curly_brace_block): No longer static. fortran/ * scanner.c (skip_free_comments, skip_fixed_comments): Handle tabs. * parse.c (next_free): Allow tab after !$omp. (decode_omp_directive): Handle !$omp task, !$omp taskwait and !$omp end task. (case_executable): Add ST_OMP_TASKWAIT. (case_exec_markers): Add ST_OMP_TASK. (gfc_ascii_statement): Handle ST_OMP_TASK, ST_OMP_END_TASK and ST_OMP_TASKWAIT. (parse_omp_structured_block, parse_executable): Handle ST_OMP_TASK. * gfortran.h (gfc_find_sym_in_expr): New prototype. (gfc_statement): Add ST_OMP_TASK, ST_OMP_END_TASK and ST_OMP_TASKWAIT. (gfc_omp_clauses): Add OMP_SCHED_AUTO to sched_kind, OMP_DEFAULT_FIRSTPRIVATE to default_sharing. Add collapse and untied fields. (gfc_exec_op): Add EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * f95-lang.c (LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, LANG_HOOKS_OMP_CLAUSE_DTOR, LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define. * trans.h (gfc_omp_clause_default_ctor): Add another argument. (gfc_omp_clause_copy_ctor, gfc_omp_clause_assign_op, gfc_omp_clause_dtor, gfc_omp_private_outer_ref): New prototypes. * types.def (BT_ULONGLONG, BT_PTR_ULONGLONG, BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_VOID_PTR_PTR, BT_PTR_FN_VOID_PTR_PTR, BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New. (BT_BOOL): Use integer type with BOOL_TYPE_SIZE rather than boolean_type_node. * dump-parse-tree.c (gfc_show_omp_node): Handle EXEC_OMP_TASK, EXEC_OMP_TASKWAIT, OMP_SCHED_AUTO, OMP_DEFAULT_FIRSTPRIVATE, untied and collapse clauses. (gfc_show_code_node): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * trans.c (gfc_trans_code): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * st.c (gfc_free_statement): Likewise. * resolve.c (gfc_resolve_blocks, resolve_code): Likewise. (find_sym_in_expr): Rename to... (gfc_find_sym_in_expr): ... this. No longer static. (resolve_allocate_expr, resolve_ordinary_assign): Adjust caller. * match.h (gfc_match_omp_task, gfc_match_omp_taskwait): New prototypes. * openmp.c (resolve_omp_clauses): Allow allocatable arrays in firstprivate, lastprivate, reduction, copyprivate and copyin clauses. (omp_current_do_code): Made static. (omp_current_do_collapse): New variable. (gfc_resolve_omp_do_blocks): Compute omp_current_do_collapse, clear omp_current_do_code and omp_current_do_collapse on return. (gfc_resolve_do_iterator): Handle collapsed do loops. (resolve_omp_do): Likewise, diagnose errorneous collapsed do loops. (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): Define. (gfc_match_omp_clauses): Handle default (firstprivate), schedule (auto), untied and collapse (n) clauses. (OMP_DO_CLAUSES): Add OMP_CLAUSE_COLLAPSE. (OMP_TASK_CLAUSES): Define. (gfc_match_omp_task, gfc_match_omp_taskwait): New functions. * trans-openmp.c (gfc_omp_private_outer_ref): New function. (gfc_omp_clause_default_ctor): Add outer argument. For allocatable arrays allocate them with the bounds of the outer var if outer var is allocated. (gfc_omp_clause_copy_ctor, gfc_omp_clause_assign_op, gfc_omp_clause_dtor): New functions. (gfc_trans_omp_array_reduction): If decl is allocatable array, allocate it with outer var's bounds in OMP_CLAUSE_REDUCTION_INIT and deallocate it in OMP_CLAUSE_REDUCTION_MERGE. (gfc_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED for assumed-size arrays. (gfc_trans_omp_do): Add par_clauses argument. If dovar is present in lastprivate clause and do loop isn't simple, set OMP_CLAUSE_LASTPRIVATE_STMT. If dovar is present in parallel's lastprivate clause, change it to shared and add lastprivate clause to OMP_FOR_CLAUSES. Handle collapsed do loops. (gfc_trans_omp_directive): Adjust gfc_trans_omp_do callers. (gfc_trans_omp_parallel_do): Likewise. Move collapse clause to OMP_FOR from OMP_PARALLEL. (gfc_trans_omp_clauses): Handle OMP_SCHED_AUTO, OMP_DEFAULT_FIRSTPRIVATE, untied and collapse clauses. (gfc_trans_omp_task, gfc_trans_omp_taskwait): New functions. (gfc_trans_omp_directive): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. gcc/testsuite/ * gcc.dg/gomp/collapse-1.c: New test. * gcc.dg/gomp/nesting-1.c: New test. * g++.dg/gomp/task-1.C: New test. * g++.dg/gomp/predetermined-1.C: New test. * g++.dg/gomp/tls-4.C: New test. * gfortran.dg/gomp/collapse1.f90: New test. * gfortran.dg/gomp/sharing-3.f90: New test. * gcc.dg/gomp/pr27499.c (foo): Remove is unsigned dg-warning. * g++.dg/gomp/pr27499.C (foo): Likewise. * g++.dg/gomp/for-16.C (foo): Likewise. * g++.dg/gomp/tls-3.C: Remove dg-error, add S::s definition. * g++.dg/gomp/pr34607.C: Adjust dg-error location. * g++.dg/gomp/for-16.C (foo): Add a new dg-error. * gcc.dg/gomp/appendix-a/a.35.4.c: Add dg-warning. * gcc.dg/gomp/appendix-a/a.35.6.c: Likewise. * gfortran.dg/gomp/appendix-a/a.35.4.f90: Likewise. * gfortran.dg/gomp/appendix-a/a.35.6.f90: Likewise. * gfortran.dg/gomp/omp_parse1.f90: Remove !$omp tab test. * gfortran.dg/gomp/appendix-a/a.33.4.f90: Remove dg-error about allocatable array. * gfortran.dg/gomp/reduction1.f90: Likewise. libgomp/ * configure.ac (LIBGOMP_GNU_SYMBOL_VERSIONING): New AC_DEFINE. Substitute also OMP_*LOCK_25*. * configure: Regenerated. * config.h.in: Regenerated. * Makefile.am (libgomp_la_SOURCES): Add loop_ull.c, iter_ull.c, ptrlock.c and task.c. * Makefile.in: Regenerated. * testsuite/Makefile.in: Regenerated. * task.c: New file. * loop_ull.c: New file. * iter_ull.c: New file. * libgomp.h: Include ptrlock.h. (enum gomp_task_kind): New type. (struct gomp_team): Add task_lock, task_queue, task_count, task_running_count, single_count fields. Add work_share_list_free_lock ifndef HAVE_SYNC_BUILTINS. Remove work_share_lock, generation_mask, oldest_live_gen, num_live_gen and init_work_shares fields, add work work_share_list_alloc, work_share_list_free and work_share_chunk fields. Change work_shares from pointer to pointers into an array. Change ordered_release field into gomp_sem_t ** from flexible array member. Add implicit_task and initial_work_shares fields. Move close to the end of the struct. (struct gomp_team_state): Add single_count, last_work_share, active_level and level fields, remove work_share_generation. (gomp_barrier_handle_tasks): New prototype. (gomp_finish_task): New inline function. (struct gomp_work_share): Move chunk_size, end, incr into transparent union/struct, add chunk_size_ull, end_ll, incr_ll and next_ll fields. Reshuffle fields. Add next_alloc, next_ws, next_free and inline_ordered_team_ids fields, change ordered_team_ids into pointer from flexible array member. Add mode field. Put lock and next into a different cache line from most of the write-once fields. (gomp_iter_ull_static_next, gomp_iter_ull_dynamic_next_locked, gomp_iter_ull_guided_next_locked, gomp_iter_ull_dynamic_next, gomp_iter_ull_guided_next): New prototypes. (gomp_new_icv): New prototype. (struct gomp_thread): Add thread_pool and task fields. (struct gomp_thread_pool): New type. (gomp_new_team): New prototype. (gomp_team_start): Change type of last argument. (gomp_new_work_share): Removed. (gomp_init_work_share, gomp_fini_work_share): New prototypes. (gomp_work_share_init_done): New static inline. (gomp_throttled_spin_count_var, gomp_available_cpus, gomp_managed_threads): New extern decls. (gomp_init_task): New prototype. (gomp_spin_count_var): New extern var decl. (LIBGOMP_GNU_SYMBOL_VERSIONING): Undef if no visibility or no alias support, or if not PIC. (gomp_init_lock_30, gomp_destroy_lock_30, gomp_set_lock_30, gomp_unset_lock_30, gomp_test_lock_30, gomp_init_nest_lock_30, gomp_destroy_nest_lock_30, gomp_set_nest_lock_30, gomp_unset_nest_lock_30, gomp_test_nest_lock_30, gomp_init_lock_25, gomp_destroy_lock_25, gomp_set_lock_25, gomp_unset_lock_25, gomp_test_lock_25, gomp_init_nest_lock_25, gomp_destroy_nest_lock_25, gomp_set_nest_lock_25, gomp_unset_nest_lock_25, gomp_test_nest_lock_25): New prototypes. (omp_lock_symver, strong_alias): Define. (gomp_remaining_threads_count, gomp_remaining_threads_lock): New decls. (gomp_end_task): New. (struct gomp_task_icv, gomp_global_icv): New. (gomp_thread_limit_var, gomp_max_active_levels_var): New. (struct gomp_task): New. (gomp_nthreads_var, gomp_dyn_var, gomp_nest_var, gomp_run_sched_var, gomp_run_sched_chunk): Remove. (gomp_icv): New. (gomp_schedule_type): Reorder enum to match omp_sched_t. * team.c (struct gomp_thread_start_data): Add thread_pool and task fields. (gomp_thread_start): Add gomp_team_barrier_wait call. For non-nested case remove clearing of docked thread thr fields. Use pool fields instead of global gomp_* variables. Use gomp_barrier_wait_last when needed. Initialize ts.active_level. Create tasks for each member thread. (free_team): Only destroy team barrier, task_lock here and free it. (gomp_free_thread): Free last_team if non-NULL. (gomp_team_end): Call gomp_team_barrier_wait instead of gomp_barrier_wait. For nested case call one extra gomp_barrier_wait. Move here some destruction from free_team. Call free_team on pool->last_team if any, rather than freeing current team. Destroy work_share_list_free_lock ifndef HAVE_SYNC_BUILTINS. (gomp_new_icv): New function. (gomp_threads, gomp_threads_size, gomp_threads_used, gomp_threads_dock): Removed. (gomp_thread_destructor): New variable. (gomp_new_thread_pool, gomp_free_pool_helper, gomp_free_thread): New functions. (gomp_team_start): Create new pool if current thread doesn't have one. Use pool fields instead of global gomp_* variables. Initialize thread_pool field for new threads. Clear single_count. Change last argument from ws to team, don't create new team, set ts.work_share to &team->work_shares[0] and clear ts.last_work_share. Don't clear ts.work_share_generation. If number of threads changed, adjust atomically gomp_managed_threads. Use gomp_init_task instead of gomp_new_task, set thr->task to the corresponding implicit_task array entry. Create tasks for each member thread. Initialize ts.level. (initialize_team): Call pthread_key_create on gomp_thread_destructor. (team_destructor): New function. (new_team): Removed. (gomp_new_team): New function. (free_team): Free gomp_work_share blocks chained through next_alloc, instead of freeing work_shares and destroying work_share_lock. (gomp_team_end): Call gomp_fini_work_share. If number of threads changed, adjust atomically gomp_managed_threads. Use gomp_end_task. * barrier.c (GOMP_barrier): Call gomp_team_barrier_wait instead of gomp_barrier_wait. * single.c (GOMP_single_copy_start): Call gomp_team_barrier_wait instead of gomp_barrier_wait. Call gomp_work_share_init_done if gomp_work_share_start returned true. Don't unlock ws->lock. (GOMP_single_copy_end): Call gomp_team_barrier_wait instead of gomp_barrier_wait. (GOMP_single_start): Rewritten if HAVE_SYNC_BUILTINS. Call gomp_work_share_init_done if gomp_work_share_start returned true. Don't unlock ws->lock. * work.c: Include stddef.h. (free_work_share): Use work_share_list_free_lock instead of atomic chaining ifndef HAVE_SYNC_BUILTINS. Add team argument. Call gomp_fini_work_share and then either free ws if orphaned, or put it into work_share_list_free list of the current team. (alloc_work_share, gomp_init_work_share, gomp_fini_work_share): New functions. (gomp_work_share_start, gomp_work_share_end, gomp_work_share_end_nowait): Rewritten. * omp_lib.f90.in Change some tabs to spaces to prevent warnings. (openmp_version): Set to 200805. (omp_sched_kind, omp_sched_static, omp_sched_dynamic, omp_sched_guided, omp_sched_auto): New parameters. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New interfaces. * omp_lib.h.in (openmp_version): Set to 200805. (omp_sched_kind, omp_sched_static, omp_sched_dynamic, omp_sched_guided, omp_sched_auto): New parameters. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New externals. * loop.c: Include limits.h. (GOMP_loop_runtime_next, GOMP_loop_ordered_runtime_next): Handle GFS_AUTO. (GOMP_loop_runtime_start, GOMP_loop_ordered_runtime_start): Likewise. Use gomp_icv. (gomp_loop_static_start, gomp_loop_dynamic_start): Clear ts.static_trip here. (gomp_loop_static_start, gomp_loop_ordered_static_start): Call gomp_work_share_init_done after gomp_loop_init. Don't unlock ws->lock. (gomp_loop_dynamic_start, gomp_loop_guided_start): Call gomp_work_share_init_done after gomp_loop_init. If HAVE_SYNC_BUILTINS, don't unlock ws->lock, otherwise lock it. (gomp_loop_ordered_dynamic_start, gomp_loop_ordered_guided_start): Call gomp_work_share_init_done after gomp_loop_init. Lock ws->lock. (gomp_parallel_loop_start): Call gomp_new_team instead of gomp_new_work_share. Call gomp_loop_init on &team->work_shares[0]. Adjust gomp_team_start caller. Pass 0 as second argument to gomp_resolve_num_threads. (gomp_loop_init): For GFS_DYNAMIC, multiply ws->chunk_size by incr. If adding ws->chunk_size nthreads + 1 times after end won't overflow, set ws->mode to 1. * libgomp_g.h (GOMP_loop_ull_static_start, GOMP_loop_ull_dynamic_start, GOMP_loop_ull_guided_start, GOMP_loop_ull_runtime_start, GOMP_loop_ull_ordered_static_start, GOMP_loop_ull_ordered_dynamic_start, GOMP_loop_ull_ordered_guided_start, GOMP_loop_ull_ordered_runtime_start, GOMP_loop_ull_static_next, GOMP_loop_ull_dynamic_next, GOMP_loop_ull_guided_next, GOMP_loop_ull_runtime_next, GOMP_loop_ull_ordered_static_next, GOMP_loop_ull_ordered_dynamic_next, GOMP_loop_ull_ordered_guided_next, GOMP_loop_ull_ordered_runtime_next, GOMP_task, GOMP_taskwait): New prototypes. * libgomp.map: Export lock routines also @@OMP_2.0. (GOMP_loop_ordered_dynamic_first, GOMP_loop_ordered_guided_first, GOMP_loop_ordered_runtime_first, GOMP_loop_ordered_static_first): Remove. (GOMP_loop_ull_dynamic_next, GOMP_loop_ull_dynamic_start, GOMP_loop_ull_guided_next, GOMP_loop_ull_guided_start, GOMP_loop_ull_ordered_dynamic_next, GOMP_loop_ull_ordered_dynamic_start, GOMP_loop_ull_ordered_guided_next, GOMP_loop_ull_ordered_guided_start, GOMP_loop_ull_ordered_runtime_next, GOMP_loop_ull_ordered_runtime_start, GOMP_loop_ull_ordered_static_next, GOMP_loop_ull_ordered_static_start, GOMP_loop_ull_runtime_next, GOMP_loop_ull_runtime_start, GOMP_loop_ull_static_next, GOMP_loop_ull_static_start, GOMP_task, GOMP_taskwait): Export @@GOMP_2.0. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level, omp_set_schedule_, omp_set_schedule_8_, omp_get_schedule_, omp_get_schedule_8_, omp_get_thread_limit_, omp_set_max_active_levels_, omp_set_max_active_levels_8_, omp_get_max_active_levels_, omp_get_level_, omp_get_ancestor_thread_num_, omp_get_ancestor_thread_num_8_, omp_get_team_size_, omp_get_team_size_8_, omp_get_active_level_): New exports @@OMP_3.0. * omp.h.in (omp_sched_t): New type. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New prototypes. * env.c (gomp_spin_count_var, gomp_throttled_spin_count_var, gomp_available_cpus, gomp_managed_threads, gomp_max_active_levels_var, gomp_thread_limit_var, gomp_remaining_threads_count, gomp_remaining_threads_lock): New variables. (parse_spincount): New function. (initialize_env): Call gomp_init_num_threads unconditionally. Initialize gomp_available_cpus. Call parse_spincount, initialize gomp_{,throttled_}spin_count_var depending on presence and value of OMP_WAIT_POLICY and GOMP_SPINCOUNT env vars. Handle GOMP_BLOCKTIME env var. Handle OMP_WAIT_POLICY, OMP_MAX_ACTIVE_LEVELS, OMP_THREAD_LIMIT, OMP_STACKSIZE env vars. Handle unit specification for GOMP_STACKSIZE. Initialize gomp_remaining_threads_count and gomp_remaining_threads_lock if needed. Use gomp_global_icv. (gomp_nthreads_var, gomp_dyn_var, gomp_nest_var, gomp_run_sched_var, gomp_run_sched_chunk): Remove. (gomp_global_icv): New. (parse_schedule): Use it. Parse "auto". (omp_set_num_threads): Use gomp_icv. (omp_set_dynamic, omp_get_dynamic, omp_set_nested, omp_get_nested): Likewise. (omp_get_max_threads): Move from parallel.c. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels): New functions, add ialias. (parse_stacksize, parse_wait_policy): New functions. * fortran.c: Rewrite lock wrappers, if symbol versioning provide both wrappers for compatibility and new locks. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New ialias_redirect. (omp_set_schedule_, omp_set_schedule_8_, omp_get_schedule_, omp_get_schedule_8_, omp_get_thread_limit_, omp_set_max_active_levels_, omp_set_max_active_levels_8_, omp_get_max_active_levels_, omp_get_level_, omp_get_ancestor_thread_num_, omp_get_ancestor_thread_num_8_, omp_get_team_size_, omp_get_team_size_8_, omp_get_active_level_): New functions. * parallel.c: Include limits.h. (gomp_resolve_num_threads): Add count argument. Rewritten. (GOMP_parallel_start): Call gomp_new_team and pass that as last argument to gomp_team_start. Pass 0 as second argument to gomp_resolve_num_threads. (GOMP_parallel_end): Decrease gomp_remaining_threads_count if gomp_thread_limit_var != ULONG_MAX. (omp_in_parallel): Implement using ts.active_level. (omp_get_max_threads): Move to env.c. (omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New functions, add ialias. * sections.c (GOMP_sections_start): Call gomp_work_share_init_done after gomp_sections_init. If HAVE_SYNC_BUILTINS, call gomp_iter_dynamic_next instead of the _locked variant and don't take lock around it, otherwise acquire it before calling gomp_iter_dynamic_next_locked. (GOMP_sections_next): If HAVE_SYNC_BUILTINS, call gomp_iter_dynamic_next instead of the _locked variant and don't take lock around it. (GOMP_parallel_sections_start): Call gomp_new_team instead of gomp_new_work_share. Call gomp_sections_init on &team->work_shares[0]. Adjust gomp_team_start caller. Pass count as second argument to gomp_resolve_num_threads, don't adjust num_threads after the call. Use gomp_icv. * iter.c (gomp_iter_dynamic_next_locked): Don't multiply ws->chunk_size by incr. (gomp_iter_dynamic_next): Likewise. If ws->mode, use more efficient code. * libgomp_f.h.in (omp_lock_25_arg_t, omp_nest_lock_25_arg_t): New types. (omp_lock_25_arg, omp_nest_lock_25_arg): New macros. (omp_check_defines): Check even the compat defines. * config/linux/ptrlock.c: New file. * config/linux/ptrlock.h: New file. * config/linux/wait.h: New file. * config/posix/ptrlock.c: New file. * config/posix/ptrlock.h: New file. * config/linux/bar.h (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New prototypes. (gomp_team_barrier_set_task_pending, gomp_team_barrier_clear_task_pending, gomp_team_barrier_set_waiting_for_tasks, gomp_team_barrier_waiting_for_tasks, gomp_team_barrier_done): New inlines. (gomp_barrier_t): Rewritten. (gomp_barrier_state_t): New typedef. (gomp_barrier_init, gomp_barrier_reinit, gomp_barrier_destroy, gomp_barrier_wait_start): Rewritten. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_barrier_last_thread, gomp_barrier_wait_last): New static inlines. * config/linux/bar.c: Include wait.h instead of libgomp.h and futex.h. (gomp_barrier_wait_end): Rewritten. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake, gomp_barrier_wait_last): New functions. * config/posix/bar.h (gomp_barrier_t): Add generation field. (gomp_barrier_state_t): New typedef. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New prototypes. (gomp_barrier_wait_start): Or all but low 2 bits from generation into the return value. Return gomp_barrier_state_t. (gomp_team_barrier_set_task_pending, gomp_team_barrier_clear_task_pending, gomp_team_barrier_set_waiting_for_tasks, gomp_team_barrier_waiting_for_tasks, gomp_team_barrier_done): New inlines. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_barrier_last_thread, gomp_barrier_wait_last): New static inlines. * config/posix/bar.c (gomp_barrier_init): Clear generation field. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New functions. * config/linux/mutex.c: Include wait.h instead of libgomp.h and futex.h. (gomp_futex_wake, gomp_futex_wait): New variables. (gomp_mutex_lock_slow): Call do_wait instead of futex_wait. * config/linux/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. Include wait.h instead of libgomp.h and futex.h. (gomp_set_nest_lock_25): Call do_wait instead of futex_wait. * config/posix95/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. * config/posix/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. * config/linux/proc.c (gomp_init_num_threads): Use gomp_global_icv. (get_num_procs, gomp_dynamic_max_threads): Use gomp_icv. * config/posix/proc.c, config/mingw32/proc.c: Similarly. * config/linux/powerpc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/alpha/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/x86/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/s390/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/ia64/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/sparc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/sem.c: Include wait.h instead of libgomp.h and futex.h. (gomp_sem_wait_slow): Call do_wait instead of futex_wait. * config/linux/affinity.c: Assume HAVE_SYNC_BUILTINS. * config/linux/omp-lock.h (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_nest_lock_t): Change owner into void *, add lock field. * config/posix95/omp-lock.h: Include semaphore.h. (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_lock_t): Use sem_t instead of mutex if semaphores aren't broken. (omp_nest_lock_t): Likewise. Change owner to void *. * config/posix/omp-lock.h: Include semaphore.h. (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_lock_t): Use sem_t instead of mutex if semaphores aren't broken. (omp_nest_lock_t): Likewise. Add owner field. * testsuite/libgomp.c/collapse-1.c: New test. * testsuite/libgomp.c/collapse-2.c: New test. * testsuite/libgomp.c/collapse-3.c: New test. * testsuite/libgomp.c/icv-1.c: New test. * testsuite/libgomp.c/icv-2.c: New test. * testsuite/libgomp.c/lib-2.c: New test. * testsuite/libgomp.c/lock-1.c: New test. * testsuite/libgomp.c/lock-2.c: New test. * testsuite/libgomp.c/lock-3.c: New test. * testsuite/libgomp.c/loop-4.c: New test. * testsuite/libgomp.c/loop-5.c: New test. * testsuite/libgomp.c/loop-6.c: New test. * testsuite/libgomp.c/loop-7.c: New test. * testsuite/libgomp.c/loop-8.c: New test. * testsuite/libgomp.c/loop-9.c: New test. * testsuite/libgomp.c/nested-3.c: New test. * testsuite/libgomp.c/nestedfn-6.c: New test. * testsuite/libgomp.c/sort-1.c: New test. * testsuite/libgomp.c/task-1.c: New test. * testsuite/libgomp.c/task-2.c: New test. * testsuite/libgomp.c/task-3.c: New test. * testsuite/libgomp.c/task-4.c: New test. * testsuite/libgomp.c++/c++.exp: Add libstdc++-v3 build includes to C++ testsuite default compiler options. * testsuite/libgomp.c++/collapse-1.C: New test. * testsuite/libgomp.c++/collapse-2.C: New test. * testsuite/libgomp.c++/ctor-10.C: New test. * testsuite/libgomp.c++/for-1.C: New test. * testsuite/libgomp.c++/for-2.C: New test. * testsuite/libgomp.c++/for-3.C: New test. * testsuite/libgomp.c++/for-4.C: New test. * testsuite/libgomp.c++/for-5.C: New test. * testsuite/libgomp.c++/loop-8.C: New test. * testsuite/libgomp.c++/loop-9.C: New test. * testsuite/libgomp.c++/loop-10.C: New test. * testsuite/libgomp.c++/task-1.C: New test. * testsuite/libgomp.c++/task-2.C: New test. * testsuite/libgomp.c++/task-3.C: New test. * testsuite/libgomp.c++/task-4.C: New test. * testsuite/libgomp.c++/task-5.C: New test. * testsuite/libgomp.c++/task-6.C: New test. * testsuite/libgomp.fortran/allocatable1.f90: New test. * testsuite/libgomp.fortran/allocatable2.f90: New test. * testsuite/libgomp.fortran/allocatable3.f90: New test. * testsuite/libgomp.fortran/allocatable4.f90: New test. * testsuite/libgomp.fortran/collapse1.f90: New test. * testsuite/libgomp.fortran/collapse2.f90: New test. * testsuite/libgomp.fortran/collapse3.f90: New test. * testsuite/libgomp.fortran/collapse4.f90: New test. * testsuite/libgomp.fortran/lastprivate1.f90: New test. * testsuite/libgomp.fortran/lastprivate2.f90: New test. * testsuite/libgomp.fortran/lib4.f90: New test. * testsuite/libgomp.fortran/lock-1.f90: New test. * testsuite/libgomp.fortran/lock-2.f90: New test. * testsuite/libgomp.fortran/nested1.f90: New test. * testsuite/libgomp.fortran/nestedfn4.f90: New test. * testsuite/libgomp.fortran/strassen.f90: New test. * testsuite/libgomp.fortran/tabs1.f90: New test. * testsuite/libgomp.fortran/tabs2.f: New test. * testsuite/libgomp.fortran/task1.f90: New test. * testsuite/libgomp.fortran/task2.f90: New test. * testsuite/libgomp.fortran/vla4.f90: Add dg-warning. * testsuite/libgomp.fortran/vla5.f90: Likewise. * testsuite/libgomp.c/pr26943-2.c: Likewise. * testsuite/libgomp.c/pr26943-3.c: Likewise. * testsuite/libgomp.c/pr26943-4.c: Likewise. Co-Authored-By: Jakob Blomer <jakob.blomer@ira.uka.de> Co-Authored-By: Richard Henderson <rth@redhat.com> Co-Authored-By: Ulrich Drepper <drepper@redhat.com> From-SVN: r136433
2008-06-06 15:01:54 +02:00
int
omp_get_team_size (int level)
{
struct gomp_team_state *ts = &gomp_thread ()->ts;
if (level < 0 || level > ts->level)
return -1;
for (level = ts->level - level; level > 0; --level)
ts = &ts->team->prev_ts;
if (ts->team == NULL)
return 1;
else
return ts->team->nthreads;
}
[multiple changes] 2006-01-18 Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * libgomp: New directory. * Makefile.def: Add target_module libgomp. * Makefile.in: Regenerate. * configure.in (target_libraries): Add target-libgomp. * configure: Regenerate. contrib/ 2006-01-18 Richard Henderson <rth@redhat.com> Diego Novillo <dnovillo@redhat.com> * gcc_update (files_and_dependencies): Add libgomp files. gcc/ 2006-01-18 Richard Henderson <rth@redhat.com> Aldy Hernandez <aldyh@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * omp-low.c: New file. * c-omp.c: New file. 2006-01-18 Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * doc/invoke.texi: Document -fopenmp. * tree-dump.h (debug_function): Declare. * hooks.c (hook_bool_tree_bool_false): New function. (hook_tree_tree_null): Remove. (hook_tree_tree_tree_null): New. * hooks.h: Update to match. * tree-pretty-print.c (debug_tree_chain): New. (print_generic_expr): Handle TDF_CHAIN. (dump_generic_node): Handle BLOCK. Do not abort with incomplete SWITCH_EXPRs. Do not dump body of an OpenMP directive if TDF_SLIM is given. <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't print space after directive name. <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY. Handle OMP_MASTER and OMP_ORDERED. Handle printing of OMP_BODY just in one place, goto dump_omp_body in the rest of OMP_* nodes that have OMP_BODY. Don't handle clause nodes here. Update omp statements to use dump_omp_clauses. Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION, OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC, OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF, GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED, GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE, GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE. Adjust output for GOMP_PARALLEL. (dump_omp_clauses): New. (print_declaration): Dump DECL_VALUE_EXPR. (op_symbol_1): Split out of op_symbol. (dumping_stmts): Remove. Update all users. * cgraph.c (cgraph_analyze_queue): New. (cgraph_add_new_function): New. * cgraph.h (cgraph_analyze_queue): Declare. (cgraph_add_new_function): Declare. (cgraph_lower_function): Remove. * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_* nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS and TYPE_P nodes in its default clause. (empty_body_p): New. (tree_range_check_failed): New. (build5_stat): New. * tree.h (OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE, OMP_CLAUSE_REDUCTION_PLACEHOLDER, OMP_CLAUSE_PRIVATE_DEBUG, OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY, OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY, OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND, OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL, OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR, OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT, OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT, OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC, OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST, OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY, OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY, OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New. (TREE_RANGE_CHECK): New. (empty_body_p): Declare. (enum omp_clause_default_kind): New. (build_string_literal): Declare. (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New. (build5_stat, build5): Declare. * tree-pass.h (TDF_CHAIN): Define. * tree-pass.h (PROP_gimple_lomp): Define. (pass_lower_omp): Declare. * diagnostic.h (debug_tree_chain): Declare. * builtins.c (get_builtin_sync_mode): Use 0 as last argument to mode_for_size. (expand_builtin): Handle sync BUILT_IN_*_16 builtins. * builtins.c (build_string_literal): Make extern. * gcc.c (include_spec_function): New. (static_spec_functions): Add it. (main): Move load of libgomp.spec ... (LINK_COMMAND_SPEC): ... here. (link_gomp_spec): New. (static_specs): Include it. (LINK_COMMAND_SPEC): Add link_gomp. (GOMP_SELF_SPECS): New. (driver_self_specs): Include it. (switch_matches): Don't mark inline. (main): Load libgomp.spec. * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION, and OMP_SINGLE, OMP_FOR and OMP_PARALLEL. * tree-gimple.h (enum omp_parallel): Declare. (determine_parallel_type): Declare. (omp_firstprivatize_variable): Declare. (omp_reduction_init): Declare. (diagnose_omp_structured_block_errors): Declare. (struct walk_stmt_info): Add want_return_expr. (struct walk_stmt_info): Add want_bind_expr, want_locations. (find_omp_clause): Declare. (insert_field_into_struct): Declare. (struct walk_stmt_info): Move from tree-nested.c (walk_stmts): Declare. * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP to 200505. * cgraphunit.c (cgraph_lower_function): Make static. (cgraph_finalize_pending_functions): New. (cgraph_finalize_function): Call it. (cgraph_finalize_compilation_unit): Likewise. * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16, BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add. (BT_FN_UINT_UINT): New. (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7, DEF_FUNCTION_TYPE_VAR_4): Document. (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT, BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR, BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT, BT_FN_VOID_OMPFN_PTR_UINT_UINT, BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR, BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New. * builtins.def: Update DEF_BUILTIN comment to include COND argument. Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins into separate files. (DEF_GOMP_BUILTIN): New. (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER, BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END, BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END, BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START, BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START, BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START, BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START, BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START, BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT, 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_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT, BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END, BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END, BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT, BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END, BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START, BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New. * sync-builtins.def: New file, moved from builtins.def. * omp-builtins.def: New file, moved from builtins.def. * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine. * gimple-low.c (lower_function_body): Clear data. (lower_stmt): Do not handle COMPOUND_EXPR. Remove call to print_node_brief. * c-tree.h (c_finish_omp_clauses): New prototype. (C_DECL_THREADPRIVATE_P): Define. (lookup_name_no_remap, c_omp_remap_private): Remove (c_begin_omp_parallel, c_finish_omp_parallel): Update. (check_for_loop_decls): Update decl. (lookup_name_no_remap, c_omp_remap_private): Declare. (build_indirect_ref, build_modify_expr, pushdecl, pushdecl_top_level): Move to c-common.h. * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp before the switch, but just in the 2 places that need it. * c-decl.c (diagnose_mismatched_decls): Do not check for mismatched thread-local attributes when OLDDECL is marked threadprivate and NEWDECL has no thread-local attributes. (merge_decls): Merge C_DECL_THREADPRIVATE_P. (c_gimple_diagnostics_recursively): Rename from c_warn_unused_result_recursively. Invoke diagnose_omp_structured_block_errors. (check_for_loop_decls): Return a singular decl found. * langhooks.c (lhd_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls. (lhd_omp_firstprivatize_type_sizes): New. (lhd_omp_assignment): New. (lhd_omp_predetermined_sharing): New. * langhooks.h (struct gimplify_omp_ctx): Forward declare. (struct lang_hooks_for_types): Add omp_firstprivatize_type_sizes, omp_privatize_by_reference, omp_predetermined_sharing, omp_disregard_value_expr, omp_private_debug_clause, omp_clause_default_ctor, omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor. (c_finish_omp_clauses): New. (c_finish_bc_stmt): Diagnose break within omp for. (c_begin_omp_parallel, c_finish_omp_parallel): New. (build_unary_op): Return error_mark after reporting a readonly_error. (build_modify_expr): Likewise. * gimplify.c: Include optabs.h and pointer-set.h. (enum gimplify_omp_var_data): Declare. (struct gimplify_omp_ctx): Declare. (struct gimplify_ctx): Add fields prev_context, combined_pre_p and combined_ctxp. (gimplify_ctxp, gimplify_omp_ctxp): New local variables. (push_gimplify_context, pop_gimplify_context): Allow nesting. (splay_tree_compare_decl_uid): New. (new_omp_context): New. (delete_omp_context): New. (gimple_add_tmp_var): Call omp_add_variable. (gimplify_bind_expr): Likewise. (gimplify_var_or_parm_decl): If omp_notice_variable returned true, disregard DECL_VALUE_EXPR on the decl if any. (gimplify_expr_in_ctx): New. (omp_firstprivatize_variable, omp_firstprivatize_type_sizes omp_add_variable, omp_notice_variable, omp_is_private gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1 gimplify_adjust_omp_clauses, gimplify_omp_parallel gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p gimplify_omp_atomic_fetch_op, goa_stabilize_expr gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex gimplify_omp_atomic): New. (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS, OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL and OMP_ATOMIC. (gimplify_body): Verify gimplify_ctxp is empty after gimplification. * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER, PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR, PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED, PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR, PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION, PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE, PRAGMA_OMP_THREADPRIVATE. * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS, OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define. * print-tree.c (print_node): Dump DECL_VALUE_EXPR. * tree-ssa-dce.c (find_control_dependence): Do not assume that ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR). * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for OpenMP directives. (struct nesting_info): Add field_map, suppress_expansion, debug_var_chain. (create_nesting_tree): Initialize them. (lookup_field_for_decl): Use field_map. (get_nonlocal_debug_decl, get_local_debug_decl): New. (convert_local_omp_clauses): New. (finalize_nesting_tree_1): Add debug_var_chain to toplevel block. (walk_body): Split out of walk_function. (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New. (convert_nonlocal_reference): Handle omp statements. (convert_local_reference): Likewise. (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1. (unnest_nesting_tree): New. (lower_nested_functions): Call it. (insert_field_into_struct): Make extern. (struct walk_stmt_info): Move to tree-gimple.h. (walk_stmts): Make extern. * omp-builtins.def: New file. * tree-iterator.c (expr_only): Clarify comment. * c-common.h (pushdecl_top_level, pushdecl, build_modify_expr, build_indirect_ref, c_finish_omp_master, c_finish_omp_critical, c_finish_omp_ordered, c_finish_omp_barrier, c_finish_omp_atomic, c_finish_omp_flush, c_finish_omp_for, c_split_parallel_clauses, omp_clause_default_kind, c_omp_sharing_predetermined, c_omp_remap_decl): Declare. * Makefile.in (BUILTINS_DEF): Add omp-builtins.def. (OBJS-common): Add omp-low.o. (c-omp.o, omp-low.o): Add. (gimplify.o): Add dependency on $(OPTABS_H). (GTFILES): Add omp-low.c. (gt-stringpool.h): Add. * tree-cfg.c (set_bb_for_stmt): Do not update the block-to-labels map if we are currently expanding to RTL. (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P checks. Handle IDENTIFIER_NODE. (tree_verify_flow_info): Do not ICE when emitting error messages about invalid labels. (dump_function_to_file): Reset CFUN before emitting the body of the function. (debug_function): New. * passes.c (init_optimization_passes): Schedule pass_lower_omp. * langhooks-def.h (lhd_omp_predetermined_sharing, lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes): Declare. (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define. (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it. (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE, LANG_HOOKS_OMP_PREDETERMINED_SHARING, LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR, LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE, LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR, LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, LANG_HOOKS_OMP_CLAUSE_DTOR): Define. (LANG_HOOK_DECLS): Use them. 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com> Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * c-parser.c (pragma_omp_clause): Define. (c_parser_declaration_or_fndef): Document OpenMP syntax. (c_parser_compound_statement): Likewise. (c_parser_statement): Likewise. (c_parser_pragma): Handle omp pragmas. (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK, OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define. (c_parser_omp_clause_name, check_no_duplicate_clause, c_parser_omp_variable_list, c_parser_omp_var_list_parens, c_parser_omp_clause_copyin, c_parser_omp_clause_copyprivate, c_parser_omp_clause_default, c_parser_omp_clause_firstprivate, c_parser_omp_clause_if, c_parser_omp_clause_lastprivate, c_parser_omp_clause_nowait, c_parser_omp_clause_num_threads, c_parser_omp_clause_ordered, c_parser_omp_clause_private, c_parser_omp_clause_reduction, c_parser_omp_clause_schedule, c_parser_omp_clause_shared, c_parser_omp_all_clauses, c_parser_omp_structured_block, c_parser_omp_atomic, c_parser_omp_barrier, c_parser_omp_critical, c_parser_omp_flush, c_parser_omp_for_loop, c_parser_omp_for, c_parser_omp_master, c_parser_omp_ordered, c_parser_omp_sections_scope, c_parser_omp_sections, c_parser_omp_parallel, c_parser_omp_single, c_parser_omp_construct, c_parser_omp_threadprivate): New. * c-pragma.c (init_pragma): Do omp pragma registration here. * c.opt (fopenmp): New flag. 2006-01-18 Eric Christopher <echristo@apple.com> * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif. * config/darwin.h (GOMP_SELF_SPECS): Define. testsuite/ 2006-01-18 Richard Henderson <rth@redhat.com> Aldy Hernandez <aldyh@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> Uros Bizjak <uros@kss-loka.si> * testsuite/gcc.dg/gomp: New directory. From-SVN: r109902
2006-01-18 20:21:25 +01:00
c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805. * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805. * langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause. Add omp_private_outer_ref hook, add another argument to omp_clause_default_ctor hook. * langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define. (LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define. (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to hook_tree_tree_tree_tree_null. (LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and LANG_HOOKS_OMP_PRIVATE_OUTER_REF. * hooks.c (hook_tree_tree_tree_tree_null): New function. * hooks.h (hook_tree_tree_tree_tree_null): New prototype. * tree.def (OMP_TASK): New tree code. * tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN, OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT, OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES, OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY, OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG, OMP_CLAUSE_COLLAPSE_EXPR): Define. (enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. (OMP_DIRECTIVE_P): Add OMP_TASK. (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes. (OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind. * tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED entries. (omp_clause_num_ops): Likewise. Increase OMP_CLAUSE_LASTPRIVATE num_ops to 2. (walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Walk OMP_CLAUSE_LASTPRIVATE_STMT. * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. (dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops. * c-omp.c (c_finish_omp_for): Allow pointer iterators. Remove warning about unsigned iterators. Change decl/init/cond/incr arguments to TREE_VECs, check arguments for all collapsed loops. (c_finish_omp_taskwait): New function. (c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to ws_clauses. * c-parser.c (c_parser_omp_for_loop): Parse collapsed loops. Call default_function_array_conversion on init. Add par_clauses argument. If decl is present in parallel's lastprivate clause, change it to shared and add lastprivate clause for decl to OMP_FOR_CLAUSES. Add clauses argument, on success set OMP_FOR_CLAUSES to it. Look up collapse count in clauses. (c_parser_omp_for, c_parser_omp_parallel): Adjust c_parser_omp_for_loop callers. (OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE. (c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT. (c_parser_omp_clause_name): Handle collapse and untied clauses. (c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New functions. (c_parser_omp_clause_schedule): Handle schedule(auto). Include correct location in the error message. (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE and PRAGMA_OMP_CLAUSE_UNTIED. (OMP_TASK_CLAUSE_MASK): Define. (c_parser_omp_task, c_parser_omp_taskwait): New functions. (c_parser_omp_construct): Handle PRAGMA_OMP_TASK. * tree-nested.c (convert_nonlocal_omp_clauses, convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE, OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in OMP_CLAUSE_DECL. (conver_nonlocal_reference, convert_local_reference, convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL. Use OMP_TASKREG_* macros rather than OMP_PARALLEL_*. (walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes. * tree-gimple.c (is_gimple_stmt): Handle OMP_TASK. * c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes. * c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New. (PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New. * c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions. (c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. * c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas. * c-common.h (c_finish_omp_taskwait): New prototype. * gimple-low.c (lower_stmt): Handle OMP_TASK. * tree-parloops.c (create_parallel_loop): Create 1 entry vectors for OMP_FOR_{INIT,COND,INCR}. * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers. (make_edges): Handle OMP_TASK. * tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. * tree-inline.c (estimate_num_insns_1): Handle OMP_TASK. * builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR, BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New. * omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT, BUILT_IN_GOMP_LOOP_ULL_STATIC_START, BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ULL_GUIDED_START, BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins. * gimplify.c (gimplify_omp_for): Allow pointer type for decl, handle POINTER_PLUS_EXPR. If loop counter has been replaced and original iterator is present in lastprivate clause or if collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT. Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. (gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK. (enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF. (omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed, if it is set, lookup var in outer contexts too. Handle OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. Handle vars that are supposed to be implicitly determined firstprivate for task regions. (gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed, if it is set, lookup var in outer contexts too. Set OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set. Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Take region_type as last argument instead of in_parallel and in_combined_parallel. (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare): Adjust callers. (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set. Call omp_finish_clause langhook. (new_omp_context): Set default_kind to OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions. (omp_region_type): New enum. (struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel fields, add region_type. (new_omp_context): Take region_type as argument instead of is_parallel and is_combined_parallel. (gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable, omp_is_private, omp_check_private): Adjust ctx->is_parallel and ctx->is_combined_parallel checks. (gimplify_omp_task): New function. (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. * omp-low.c (extract_omp_for_data): Use schedule(static) for schedule(auto). Handle pointer and unsigned iterators. Compute fd->iter_type. Handle POINTER_PLUS_EXPR increments. Add loops argument. Extract data for collapsed OMP_FOR loops. (expand_parallel_call): Assert sched_kind isn't auto, map runtime schedule to index 3. (struct omp_for_data_loop): New type. (struct omp_for_data): Remove v, n1, n2, step, cond_code fields. Add loop, loops, collapse and iter_type fields. (workshare_safe_to_combine_p): Disallow combined for if iter_type is unsigned long long. Don't combine collapse > 1 loops unless all bounds and steps are constant. Adjust extract_omp_for_data caller. (expand_omp_for_generic): Handle pointer, unsigned and long long iterators. Handle collapsed OMP_FOR loops. Adjust for struct omp_for_data changes. If libgomp function doesn't return boolean_type_node, add comparison of the return value with 0. (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle pointer, unsigned and long long iterators. Adjust for struct omp_for_data changes. (expand_omp_for): Assert sched_kind isn't auto, map runtime schedule to index 3. Use GOMP_loop_ull*{start,next} if iter_type is unsigned long long. Allocate loops array, pass it to extract_omp_for_data. For collapse > 1 loops use always expand_omp_for_generic. (omp_context): Add sfield_map and srecord_type fields. (is_task_ctx, lookup_sfield): New functions. (use_pointer_for_field): Use is_task_ctx helper. Change first argument's type from const_tree to tree. Clarify comment. In OMP_TASK disallow copy-in/out sharing. (build_sender_ref): Call lookup_sfield instead of lookup_field. (install_var_field): Add mask argument. Populate both record_type and srecord_type if needed. (delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN in srecord_type. (fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT} and DECL_FIELD_OFFSET. (scan_sharing_clauses): Adjust install_var_field callers. For firstprivate clauses on explicit tasks allocate the var by value in record_type unconditionally, rather than by reference. Handle OMP_CLAUSE_PRIVATE_OUTER_REF. Scan OMP_CLAUSE_LASTPRIVATE_STMT. Use is_taskreg_ctx instead of is_parallel_ctx. Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. (create_omp_child_function_name): Add task_copy argument, use *_omp_cpyfn* names if it is true. (create_omp_child_function): Add task_copy argument, if true create *_omp_cpyfn* helper function. (scan_omp_parallel): Adjust create_omp_child_function callers. Rename parallel_nesting_level to taskreg_nesting_level. (scan_omp_task): New function. (lower_rec_input_clauses): Don't run constructors for firstprivate explicit task vars which are initialized by *_omp_cpyfn*. Pass outer var ref to omp_clause_default_ctor hook if OMP_CLAUSE_PRIVATE_OUTER_REF or OMP_CLAUSE_LASTPRIVATE. Replace OMP_CLAUSE_REDUCTION_PLACEHOLDER decls in OMP_CLAUSE_REDUCTION_INIT. (lower_send_clauses): Clear DECL_ABSTRACT_ORIGIN if in task to avoid duplicate setting of fields. Handle OMP_CLAUSE_PRIVATE_OUTER_REF. (lower_send_shared_vars): Use srecord_type if non-NULL. Don't copy-out if TREE_READONLY, only copy-in. (expand_task_copyfn): New function. (expand_task_call): New function. (struct omp_taskcopy_context): New type. (task_copyfn_copy_decl, task_copyfn_remap_type, create_task_copyfn): New functions. (lower_omp_parallel): Rename to... (lower_omp_taskreg): ... this. Use OMP_TASKREG_* macros where needed. Call create_task_copyfn if srecord_type is needed. Adjust sender_decl type. (task_shared_vars): New variable. (check_omp_nesting_restrictions): Warn if work-sharing, barrier, master or ordered region is closely nested inside OMP_TASK. Add warnings for barrier if closely nested inside of work-sharing, ordered, or master region. (scan_omp_1): Call check_omp_nesting_restrictions even for GOMP_barrier calls. Rename parallel_nesting_level to taskreg_nesting_level. Handle OMP_TASK. (lower_lastprivate_clauses): Even if some lastprivate is found on a work-sharing construct, continue looking for them on parent parallel construct. (lower_omp_for_lastprivate): Add lastprivate clauses to the beginning of dlist rather than end. Adjust for struct omp_for_data changes. (lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY, not after it. Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller. (get_ws_args_for): Adjust extract_omp_for_data caller. (scan_omp_for): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. (lower_omp_single_simple): If libgomp function doesn't return boolean_type_node, add comparison of the return value with 0. (diagnose_sb_1, diagnose_sb_2): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. Handle OMP_TASK. (parallel_nesting_level): Rename to... (taskreg_nesting_level): ... this. (is_taskreg_ctx): New function. (build_outer_var_ref, omp_copy_decl): Use is_taskreg_ctx instead of is_parallel_ctx. (execute_lower_omp): Rename parallel_nesting_level to taskreg_nesting_level. (expand_omp_parallel): Rename to... (expand_omp_taskreg): ... this. Use OMP_TASKREG_* macros where needed. Call omp_task_call for OMP_TASK regions. (expand_omp): Adjust caller, handle OMP_TASK. (lower_omp_1): Adjust lower_omp_taskreg caller, handle OMP_TASK. * bitmap.c (bitmap_default_obstack_depth): New variable. (bitmap_obstack_initialize, bitmap_obstack_release): Do nothing if argument is NULL and bitmap_default_obstack is already initialized. * ipa-struct-reorg.c (do_reorg_1): Call bitmap_obstack_release at the end. * matrix-reorg.c (matrix_reorg): Likewise. cp/ * cp-tree.h (cxx_omp_finish_clause, cxx_omp_create_clause_info, dependent_omp_for_p, begin_omp_task, finish_omp_task, finish_omp_taskwait): New prototypes. (cxx_omp_clause_default_ctor): Add outer argument. (finish_omp_for): Add new clauses argument. * cp-gimplify.c (cxx_omp_finish_clause): New function. (cxx_omp_predetermined_sharing): Moved from semantics.c, rewritten. (cxx_omp_clause_default_ctor): Add outer argument. (cp_genericize_r): Walk OMP_CLAUSE_LASTPRIVATE_STMT. * cp-objcp-common.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define. * parser.c (cp_parser_omp_for_loop): Parse collapsed for loops. Add par_clauses argument. If decl is present in parallel's lastprivate clause, change that clause to shared and add a lastprivate clause for decl to OMP_FOR_CLAUSES. Fix wording of error messages. Adjust finish_omp_for caller. Add clauses argument. Parse loops with random access iterators. (cp_parser_omp_clause_collapse, cp_parser_omp_clause_untied): New functions. (cp_parser_omp_for, cp_parser_omp_parallel): Adjust cp_parser_omp_for_loop callers. (cp_parser_omp_for_cond, cp_parser_omp_for_incr): New helper functions. (cp_parser_omp_clause_name): Handle collapse and untied clauses. (cp_parser_omp_clause_schedule): Handle auto schedule. (cp_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE and PRAGMA_OMP_CLAUSE_UNTIED. (OMP_FOR_CLAUSE_MASK): Add PRAGMA_OMP_CLAUSE_COLLAPSE. (OMP_TASK_CLAUSE_MASK): Define. (cp_parser_omp_task, cp_parser_omp_taskwait): New functions. (cp_parser_omp_construct): Handle PRAGMA_OMP_TASK. (cp_parser_pragma): Handle PRAGMA_OMP_TASK and PRAGMA_OMP_TASKWAIT. * pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Handle OMP_CLAUSE_LASTPRIVATE_STMT. (tsubst_omp_for_iterator): New function. (dependent_omp_for_p): New function. (tsubst_expr) <case OMP_FOR>: Use it. Handle collapsed OMP_FOR loops. Adjust finish_omp_for caller. Handle loops with random access iterators. Adjust for OMP_FOR_{INIT,COND,INCR} changes. (tsubst_expr): Handle OMP_TASK. * semantics.c (cxx_omp_create_clause_info): New function. (finish_omp_clauses): Call it. Handle OMP_CLAUSE_UNTIED and OMP_CLAUSE_COLLAPSE. (cxx_omp_predetermined_sharing): Removed. * semantics.c (finish_omp_for): Allow pointer iterators. Use handle_omp_for_class_iterator and dependent_omp_for_p. Handle collapsed for loops. Adjust c_finish_omp_for caller. Add new clauses argument. Fix check for type dependent cond or incr. Set OMP_FOR_CLAUSES to clauses. Use cp_convert instead of fold_convert to convert incr amount to difference_type. Only fold if not in template. If decl is mentioned in lastprivate clause, set OMP_CLAUSE_LASTPRIVATE_STMT. Handle loops with random access iterators. Adjust for OMP_FOR_{INIT,COND,INCR} changes. (finish_omp_threadprivate): Allow static class members of the current class. (handle_omp_for_class_iterator, begin_omp_task, finish_omp_task, finish_omp_taskwait): New functions. * parser.c (cp_parser_binary_expression): Add prec argument. (cp_parser_assignment_expression): Adjust caller. * cp-tree.h (outer_curly_brace_block): New prototype. * decl.c (outer_curly_brace_block): No longer static. fortran/ * scanner.c (skip_free_comments, skip_fixed_comments): Handle tabs. * parse.c (next_free): Allow tab after !$omp. (decode_omp_directive): Handle !$omp task, !$omp taskwait and !$omp end task. (case_executable): Add ST_OMP_TASKWAIT. (case_exec_markers): Add ST_OMP_TASK. (gfc_ascii_statement): Handle ST_OMP_TASK, ST_OMP_END_TASK and ST_OMP_TASKWAIT. (parse_omp_structured_block, parse_executable): Handle ST_OMP_TASK. * gfortran.h (gfc_find_sym_in_expr): New prototype. (gfc_statement): Add ST_OMP_TASK, ST_OMP_END_TASK and ST_OMP_TASKWAIT. (gfc_omp_clauses): Add OMP_SCHED_AUTO to sched_kind, OMP_DEFAULT_FIRSTPRIVATE to default_sharing. Add collapse and untied fields. (gfc_exec_op): Add EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * f95-lang.c (LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, LANG_HOOKS_OMP_CLAUSE_DTOR, LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define. * trans.h (gfc_omp_clause_default_ctor): Add another argument. (gfc_omp_clause_copy_ctor, gfc_omp_clause_assign_op, gfc_omp_clause_dtor, gfc_omp_private_outer_ref): New prototypes. * types.def (BT_ULONGLONG, BT_PTR_ULONGLONG, BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_VOID_PTR_PTR, BT_PTR_FN_VOID_PTR_PTR, BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New. (BT_BOOL): Use integer type with BOOL_TYPE_SIZE rather than boolean_type_node. * dump-parse-tree.c (gfc_show_omp_node): Handle EXEC_OMP_TASK, EXEC_OMP_TASKWAIT, OMP_SCHED_AUTO, OMP_DEFAULT_FIRSTPRIVATE, untied and collapse clauses. (gfc_show_code_node): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * trans.c (gfc_trans_code): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * st.c (gfc_free_statement): Likewise. * resolve.c (gfc_resolve_blocks, resolve_code): Likewise. (find_sym_in_expr): Rename to... (gfc_find_sym_in_expr): ... this. No longer static. (resolve_allocate_expr, resolve_ordinary_assign): Adjust caller. * match.h (gfc_match_omp_task, gfc_match_omp_taskwait): New prototypes. * openmp.c (resolve_omp_clauses): Allow allocatable arrays in firstprivate, lastprivate, reduction, copyprivate and copyin clauses. (omp_current_do_code): Made static. (omp_current_do_collapse): New variable. (gfc_resolve_omp_do_blocks): Compute omp_current_do_collapse, clear omp_current_do_code and omp_current_do_collapse on return. (gfc_resolve_do_iterator): Handle collapsed do loops. (resolve_omp_do): Likewise, diagnose errorneous collapsed do loops. (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): Define. (gfc_match_omp_clauses): Handle default (firstprivate), schedule (auto), untied and collapse (n) clauses. (OMP_DO_CLAUSES): Add OMP_CLAUSE_COLLAPSE. (OMP_TASK_CLAUSES): Define. (gfc_match_omp_task, gfc_match_omp_taskwait): New functions. * trans-openmp.c (gfc_omp_private_outer_ref): New function. (gfc_omp_clause_default_ctor): Add outer argument. For allocatable arrays allocate them with the bounds of the outer var if outer var is allocated. (gfc_omp_clause_copy_ctor, gfc_omp_clause_assign_op, gfc_omp_clause_dtor): New functions. (gfc_trans_omp_array_reduction): If decl is allocatable array, allocate it with outer var's bounds in OMP_CLAUSE_REDUCTION_INIT and deallocate it in OMP_CLAUSE_REDUCTION_MERGE. (gfc_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED for assumed-size arrays. (gfc_trans_omp_do): Add par_clauses argument. If dovar is present in lastprivate clause and do loop isn't simple, set OMP_CLAUSE_LASTPRIVATE_STMT. If dovar is present in parallel's lastprivate clause, change it to shared and add lastprivate clause to OMP_FOR_CLAUSES. Handle collapsed do loops. (gfc_trans_omp_directive): Adjust gfc_trans_omp_do callers. (gfc_trans_omp_parallel_do): Likewise. Move collapse clause to OMP_FOR from OMP_PARALLEL. (gfc_trans_omp_clauses): Handle OMP_SCHED_AUTO, OMP_DEFAULT_FIRSTPRIVATE, untied and collapse clauses. (gfc_trans_omp_task, gfc_trans_omp_taskwait): New functions. (gfc_trans_omp_directive): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. gcc/testsuite/ * gcc.dg/gomp/collapse-1.c: New test. * gcc.dg/gomp/nesting-1.c: New test. * g++.dg/gomp/task-1.C: New test. * g++.dg/gomp/predetermined-1.C: New test. * g++.dg/gomp/tls-4.C: New test. * gfortran.dg/gomp/collapse1.f90: New test. * gfortran.dg/gomp/sharing-3.f90: New test. * gcc.dg/gomp/pr27499.c (foo): Remove is unsigned dg-warning. * g++.dg/gomp/pr27499.C (foo): Likewise. * g++.dg/gomp/for-16.C (foo): Likewise. * g++.dg/gomp/tls-3.C: Remove dg-error, add S::s definition. * g++.dg/gomp/pr34607.C: Adjust dg-error location. * g++.dg/gomp/for-16.C (foo): Add a new dg-error. * gcc.dg/gomp/appendix-a/a.35.4.c: Add dg-warning. * gcc.dg/gomp/appendix-a/a.35.6.c: Likewise. * gfortran.dg/gomp/appendix-a/a.35.4.f90: Likewise. * gfortran.dg/gomp/appendix-a/a.35.6.f90: Likewise. * gfortran.dg/gomp/omp_parse1.f90: Remove !$omp tab test. * gfortran.dg/gomp/appendix-a/a.33.4.f90: Remove dg-error about allocatable array. * gfortran.dg/gomp/reduction1.f90: Likewise. libgomp/ * configure.ac (LIBGOMP_GNU_SYMBOL_VERSIONING): New AC_DEFINE. Substitute also OMP_*LOCK_25*. * configure: Regenerated. * config.h.in: Regenerated. * Makefile.am (libgomp_la_SOURCES): Add loop_ull.c, iter_ull.c, ptrlock.c and task.c. * Makefile.in: Regenerated. * testsuite/Makefile.in: Regenerated. * task.c: New file. * loop_ull.c: New file. * iter_ull.c: New file. * libgomp.h: Include ptrlock.h. (enum gomp_task_kind): New type. (struct gomp_team): Add task_lock, task_queue, task_count, task_running_count, single_count fields. Add work_share_list_free_lock ifndef HAVE_SYNC_BUILTINS. Remove work_share_lock, generation_mask, oldest_live_gen, num_live_gen and init_work_shares fields, add work work_share_list_alloc, work_share_list_free and work_share_chunk fields. Change work_shares from pointer to pointers into an array. Change ordered_release field into gomp_sem_t ** from flexible array member. Add implicit_task and initial_work_shares fields. Move close to the end of the struct. (struct gomp_team_state): Add single_count, last_work_share, active_level and level fields, remove work_share_generation. (gomp_barrier_handle_tasks): New prototype. (gomp_finish_task): New inline function. (struct gomp_work_share): Move chunk_size, end, incr into transparent union/struct, add chunk_size_ull, end_ll, incr_ll and next_ll fields. Reshuffle fields. Add next_alloc, next_ws, next_free and inline_ordered_team_ids fields, change ordered_team_ids into pointer from flexible array member. Add mode field. Put lock and next into a different cache line from most of the write-once fields. (gomp_iter_ull_static_next, gomp_iter_ull_dynamic_next_locked, gomp_iter_ull_guided_next_locked, gomp_iter_ull_dynamic_next, gomp_iter_ull_guided_next): New prototypes. (gomp_new_icv): New prototype. (struct gomp_thread): Add thread_pool and task fields. (struct gomp_thread_pool): New type. (gomp_new_team): New prototype. (gomp_team_start): Change type of last argument. (gomp_new_work_share): Removed. (gomp_init_work_share, gomp_fini_work_share): New prototypes. (gomp_work_share_init_done): New static inline. (gomp_throttled_spin_count_var, gomp_available_cpus, gomp_managed_threads): New extern decls. (gomp_init_task): New prototype. (gomp_spin_count_var): New extern var decl. (LIBGOMP_GNU_SYMBOL_VERSIONING): Undef if no visibility or no alias support, or if not PIC. (gomp_init_lock_30, gomp_destroy_lock_30, gomp_set_lock_30, gomp_unset_lock_30, gomp_test_lock_30, gomp_init_nest_lock_30, gomp_destroy_nest_lock_30, gomp_set_nest_lock_30, gomp_unset_nest_lock_30, gomp_test_nest_lock_30, gomp_init_lock_25, gomp_destroy_lock_25, gomp_set_lock_25, gomp_unset_lock_25, gomp_test_lock_25, gomp_init_nest_lock_25, gomp_destroy_nest_lock_25, gomp_set_nest_lock_25, gomp_unset_nest_lock_25, gomp_test_nest_lock_25): New prototypes. (omp_lock_symver, strong_alias): Define. (gomp_remaining_threads_count, gomp_remaining_threads_lock): New decls. (gomp_end_task): New. (struct gomp_task_icv, gomp_global_icv): New. (gomp_thread_limit_var, gomp_max_active_levels_var): New. (struct gomp_task): New. (gomp_nthreads_var, gomp_dyn_var, gomp_nest_var, gomp_run_sched_var, gomp_run_sched_chunk): Remove. (gomp_icv): New. (gomp_schedule_type): Reorder enum to match omp_sched_t. * team.c (struct gomp_thread_start_data): Add thread_pool and task fields. (gomp_thread_start): Add gomp_team_barrier_wait call. For non-nested case remove clearing of docked thread thr fields. Use pool fields instead of global gomp_* variables. Use gomp_barrier_wait_last when needed. Initialize ts.active_level. Create tasks for each member thread. (free_team): Only destroy team barrier, task_lock here and free it. (gomp_free_thread): Free last_team if non-NULL. (gomp_team_end): Call gomp_team_barrier_wait instead of gomp_barrier_wait. For nested case call one extra gomp_barrier_wait. Move here some destruction from free_team. Call free_team on pool->last_team if any, rather than freeing current team. Destroy work_share_list_free_lock ifndef HAVE_SYNC_BUILTINS. (gomp_new_icv): New function. (gomp_threads, gomp_threads_size, gomp_threads_used, gomp_threads_dock): Removed. (gomp_thread_destructor): New variable. (gomp_new_thread_pool, gomp_free_pool_helper, gomp_free_thread): New functions. (gomp_team_start): Create new pool if current thread doesn't have one. Use pool fields instead of global gomp_* variables. Initialize thread_pool field for new threads. Clear single_count. Change last argument from ws to team, don't create new team, set ts.work_share to &team->work_shares[0] and clear ts.last_work_share. Don't clear ts.work_share_generation. If number of threads changed, adjust atomically gomp_managed_threads. Use gomp_init_task instead of gomp_new_task, set thr->task to the corresponding implicit_task array entry. Create tasks for each member thread. Initialize ts.level. (initialize_team): Call pthread_key_create on gomp_thread_destructor. (team_destructor): New function. (new_team): Removed. (gomp_new_team): New function. (free_team): Free gomp_work_share blocks chained through next_alloc, instead of freeing work_shares and destroying work_share_lock. (gomp_team_end): Call gomp_fini_work_share. If number of threads changed, adjust atomically gomp_managed_threads. Use gomp_end_task. * barrier.c (GOMP_barrier): Call gomp_team_barrier_wait instead of gomp_barrier_wait. * single.c (GOMP_single_copy_start): Call gomp_team_barrier_wait instead of gomp_barrier_wait. Call gomp_work_share_init_done if gomp_work_share_start returned true. Don't unlock ws->lock. (GOMP_single_copy_end): Call gomp_team_barrier_wait instead of gomp_barrier_wait. (GOMP_single_start): Rewritten if HAVE_SYNC_BUILTINS. Call gomp_work_share_init_done if gomp_work_share_start returned true. Don't unlock ws->lock. * work.c: Include stddef.h. (free_work_share): Use work_share_list_free_lock instead of atomic chaining ifndef HAVE_SYNC_BUILTINS. Add team argument. Call gomp_fini_work_share and then either free ws if orphaned, or put it into work_share_list_free list of the current team. (alloc_work_share, gomp_init_work_share, gomp_fini_work_share): New functions. (gomp_work_share_start, gomp_work_share_end, gomp_work_share_end_nowait): Rewritten. * omp_lib.f90.in Change some tabs to spaces to prevent warnings. (openmp_version): Set to 200805. (omp_sched_kind, omp_sched_static, omp_sched_dynamic, omp_sched_guided, omp_sched_auto): New parameters. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New interfaces. * omp_lib.h.in (openmp_version): Set to 200805. (omp_sched_kind, omp_sched_static, omp_sched_dynamic, omp_sched_guided, omp_sched_auto): New parameters. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New externals. * loop.c: Include limits.h. (GOMP_loop_runtime_next, GOMP_loop_ordered_runtime_next): Handle GFS_AUTO. (GOMP_loop_runtime_start, GOMP_loop_ordered_runtime_start): Likewise. Use gomp_icv. (gomp_loop_static_start, gomp_loop_dynamic_start): Clear ts.static_trip here. (gomp_loop_static_start, gomp_loop_ordered_static_start): Call gomp_work_share_init_done after gomp_loop_init. Don't unlock ws->lock. (gomp_loop_dynamic_start, gomp_loop_guided_start): Call gomp_work_share_init_done after gomp_loop_init. If HAVE_SYNC_BUILTINS, don't unlock ws->lock, otherwise lock it. (gomp_loop_ordered_dynamic_start, gomp_loop_ordered_guided_start): Call gomp_work_share_init_done after gomp_loop_init. Lock ws->lock. (gomp_parallel_loop_start): Call gomp_new_team instead of gomp_new_work_share. Call gomp_loop_init on &team->work_shares[0]. Adjust gomp_team_start caller. Pass 0 as second argument to gomp_resolve_num_threads. (gomp_loop_init): For GFS_DYNAMIC, multiply ws->chunk_size by incr. If adding ws->chunk_size nthreads + 1 times after end won't overflow, set ws->mode to 1. * libgomp_g.h (GOMP_loop_ull_static_start, GOMP_loop_ull_dynamic_start, GOMP_loop_ull_guided_start, GOMP_loop_ull_runtime_start, GOMP_loop_ull_ordered_static_start, GOMP_loop_ull_ordered_dynamic_start, GOMP_loop_ull_ordered_guided_start, GOMP_loop_ull_ordered_runtime_start, GOMP_loop_ull_static_next, GOMP_loop_ull_dynamic_next, GOMP_loop_ull_guided_next, GOMP_loop_ull_runtime_next, GOMP_loop_ull_ordered_static_next, GOMP_loop_ull_ordered_dynamic_next, GOMP_loop_ull_ordered_guided_next, GOMP_loop_ull_ordered_runtime_next, GOMP_task, GOMP_taskwait): New prototypes. * libgomp.map: Export lock routines also @@OMP_2.0. (GOMP_loop_ordered_dynamic_first, GOMP_loop_ordered_guided_first, GOMP_loop_ordered_runtime_first, GOMP_loop_ordered_static_first): Remove. (GOMP_loop_ull_dynamic_next, GOMP_loop_ull_dynamic_start, GOMP_loop_ull_guided_next, GOMP_loop_ull_guided_start, GOMP_loop_ull_ordered_dynamic_next, GOMP_loop_ull_ordered_dynamic_start, GOMP_loop_ull_ordered_guided_next, GOMP_loop_ull_ordered_guided_start, GOMP_loop_ull_ordered_runtime_next, GOMP_loop_ull_ordered_runtime_start, GOMP_loop_ull_ordered_static_next, GOMP_loop_ull_ordered_static_start, GOMP_loop_ull_runtime_next, GOMP_loop_ull_runtime_start, GOMP_loop_ull_static_next, GOMP_loop_ull_static_start, GOMP_task, GOMP_taskwait): Export @@GOMP_2.0. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level, omp_set_schedule_, omp_set_schedule_8_, omp_get_schedule_, omp_get_schedule_8_, omp_get_thread_limit_, omp_set_max_active_levels_, omp_set_max_active_levels_8_, omp_get_max_active_levels_, omp_get_level_, omp_get_ancestor_thread_num_, omp_get_ancestor_thread_num_8_, omp_get_team_size_, omp_get_team_size_8_, omp_get_active_level_): New exports @@OMP_3.0. * omp.h.in (omp_sched_t): New type. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New prototypes. * env.c (gomp_spin_count_var, gomp_throttled_spin_count_var, gomp_available_cpus, gomp_managed_threads, gomp_max_active_levels_var, gomp_thread_limit_var, gomp_remaining_threads_count, gomp_remaining_threads_lock): New variables. (parse_spincount): New function. (initialize_env): Call gomp_init_num_threads unconditionally. Initialize gomp_available_cpus. Call parse_spincount, initialize gomp_{,throttled_}spin_count_var depending on presence and value of OMP_WAIT_POLICY and GOMP_SPINCOUNT env vars. Handle GOMP_BLOCKTIME env var. Handle OMP_WAIT_POLICY, OMP_MAX_ACTIVE_LEVELS, OMP_THREAD_LIMIT, OMP_STACKSIZE env vars. Handle unit specification for GOMP_STACKSIZE. Initialize gomp_remaining_threads_count and gomp_remaining_threads_lock if needed. Use gomp_global_icv. (gomp_nthreads_var, gomp_dyn_var, gomp_nest_var, gomp_run_sched_var, gomp_run_sched_chunk): Remove. (gomp_global_icv): New. (parse_schedule): Use it. Parse "auto". (omp_set_num_threads): Use gomp_icv. (omp_set_dynamic, omp_get_dynamic, omp_set_nested, omp_get_nested): Likewise. (omp_get_max_threads): Move from parallel.c. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels): New functions, add ialias. (parse_stacksize, parse_wait_policy): New functions. * fortran.c: Rewrite lock wrappers, if symbol versioning provide both wrappers for compatibility and new locks. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New ialias_redirect. (omp_set_schedule_, omp_set_schedule_8_, omp_get_schedule_, omp_get_schedule_8_, omp_get_thread_limit_, omp_set_max_active_levels_, omp_set_max_active_levels_8_, omp_get_max_active_levels_, omp_get_level_, omp_get_ancestor_thread_num_, omp_get_ancestor_thread_num_8_, omp_get_team_size_, omp_get_team_size_8_, omp_get_active_level_): New functions. * parallel.c: Include limits.h. (gomp_resolve_num_threads): Add count argument. Rewritten. (GOMP_parallel_start): Call gomp_new_team and pass that as last argument to gomp_team_start. Pass 0 as second argument to gomp_resolve_num_threads. (GOMP_parallel_end): Decrease gomp_remaining_threads_count if gomp_thread_limit_var != ULONG_MAX. (omp_in_parallel): Implement using ts.active_level. (omp_get_max_threads): Move to env.c. (omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New functions, add ialias. * sections.c (GOMP_sections_start): Call gomp_work_share_init_done after gomp_sections_init. If HAVE_SYNC_BUILTINS, call gomp_iter_dynamic_next instead of the _locked variant and don't take lock around it, otherwise acquire it before calling gomp_iter_dynamic_next_locked. (GOMP_sections_next): If HAVE_SYNC_BUILTINS, call gomp_iter_dynamic_next instead of the _locked variant and don't take lock around it. (GOMP_parallel_sections_start): Call gomp_new_team instead of gomp_new_work_share. Call gomp_sections_init on &team->work_shares[0]. Adjust gomp_team_start caller. Pass count as second argument to gomp_resolve_num_threads, don't adjust num_threads after the call. Use gomp_icv. * iter.c (gomp_iter_dynamic_next_locked): Don't multiply ws->chunk_size by incr. (gomp_iter_dynamic_next): Likewise. If ws->mode, use more efficient code. * libgomp_f.h.in (omp_lock_25_arg_t, omp_nest_lock_25_arg_t): New types. (omp_lock_25_arg, omp_nest_lock_25_arg): New macros. (omp_check_defines): Check even the compat defines. * config/linux/ptrlock.c: New file. * config/linux/ptrlock.h: New file. * config/linux/wait.h: New file. * config/posix/ptrlock.c: New file. * config/posix/ptrlock.h: New file. * config/linux/bar.h (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New prototypes. (gomp_team_barrier_set_task_pending, gomp_team_barrier_clear_task_pending, gomp_team_barrier_set_waiting_for_tasks, gomp_team_barrier_waiting_for_tasks, gomp_team_barrier_done): New inlines. (gomp_barrier_t): Rewritten. (gomp_barrier_state_t): New typedef. (gomp_barrier_init, gomp_barrier_reinit, gomp_barrier_destroy, gomp_barrier_wait_start): Rewritten. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_barrier_last_thread, gomp_barrier_wait_last): New static inlines. * config/linux/bar.c: Include wait.h instead of libgomp.h and futex.h. (gomp_barrier_wait_end): Rewritten. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake, gomp_barrier_wait_last): New functions. * config/posix/bar.h (gomp_barrier_t): Add generation field. (gomp_barrier_state_t): New typedef. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New prototypes. (gomp_barrier_wait_start): Or all but low 2 bits from generation into the return value. Return gomp_barrier_state_t. (gomp_team_barrier_set_task_pending, gomp_team_barrier_clear_task_pending, gomp_team_barrier_set_waiting_for_tasks, gomp_team_barrier_waiting_for_tasks, gomp_team_barrier_done): New inlines. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_barrier_last_thread, gomp_barrier_wait_last): New static inlines. * config/posix/bar.c (gomp_barrier_init): Clear generation field. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New functions. * config/linux/mutex.c: Include wait.h instead of libgomp.h and futex.h. (gomp_futex_wake, gomp_futex_wait): New variables. (gomp_mutex_lock_slow): Call do_wait instead of futex_wait. * config/linux/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. Include wait.h instead of libgomp.h and futex.h. (gomp_set_nest_lock_25): Call do_wait instead of futex_wait. * config/posix95/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. * config/posix/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. * config/linux/proc.c (gomp_init_num_threads): Use gomp_global_icv. (get_num_procs, gomp_dynamic_max_threads): Use gomp_icv. * config/posix/proc.c, config/mingw32/proc.c: Similarly. * config/linux/powerpc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/alpha/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/x86/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/s390/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/ia64/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/sparc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/sem.c: Include wait.h instead of libgomp.h and futex.h. (gomp_sem_wait_slow): Call do_wait instead of futex_wait. * config/linux/affinity.c: Assume HAVE_SYNC_BUILTINS. * config/linux/omp-lock.h (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_nest_lock_t): Change owner into void *, add lock field. * config/posix95/omp-lock.h: Include semaphore.h. (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_lock_t): Use sem_t instead of mutex if semaphores aren't broken. (omp_nest_lock_t): Likewise. Change owner to void *. * config/posix/omp-lock.h: Include semaphore.h. (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_lock_t): Use sem_t instead of mutex if semaphores aren't broken. (omp_nest_lock_t): Likewise. Add owner field. * testsuite/libgomp.c/collapse-1.c: New test. * testsuite/libgomp.c/collapse-2.c: New test. * testsuite/libgomp.c/collapse-3.c: New test. * testsuite/libgomp.c/icv-1.c: New test. * testsuite/libgomp.c/icv-2.c: New test. * testsuite/libgomp.c/lib-2.c: New test. * testsuite/libgomp.c/lock-1.c: New test. * testsuite/libgomp.c/lock-2.c: New test. * testsuite/libgomp.c/lock-3.c: New test. * testsuite/libgomp.c/loop-4.c: New test. * testsuite/libgomp.c/loop-5.c: New test. * testsuite/libgomp.c/loop-6.c: New test. * testsuite/libgomp.c/loop-7.c: New test. * testsuite/libgomp.c/loop-8.c: New test. * testsuite/libgomp.c/loop-9.c: New test. * testsuite/libgomp.c/nested-3.c: New test. * testsuite/libgomp.c/nestedfn-6.c: New test. * testsuite/libgomp.c/sort-1.c: New test. * testsuite/libgomp.c/task-1.c: New test. * testsuite/libgomp.c/task-2.c: New test. * testsuite/libgomp.c/task-3.c: New test. * testsuite/libgomp.c/task-4.c: New test. * testsuite/libgomp.c++/c++.exp: Add libstdc++-v3 build includes to C++ testsuite default compiler options. * testsuite/libgomp.c++/collapse-1.C: New test. * testsuite/libgomp.c++/collapse-2.C: New test. * testsuite/libgomp.c++/ctor-10.C: New test. * testsuite/libgomp.c++/for-1.C: New test. * testsuite/libgomp.c++/for-2.C: New test. * testsuite/libgomp.c++/for-3.C: New test. * testsuite/libgomp.c++/for-4.C: New test. * testsuite/libgomp.c++/for-5.C: New test. * testsuite/libgomp.c++/loop-8.C: New test. * testsuite/libgomp.c++/loop-9.C: New test. * testsuite/libgomp.c++/loop-10.C: New test. * testsuite/libgomp.c++/task-1.C: New test. * testsuite/libgomp.c++/task-2.C: New test. * testsuite/libgomp.c++/task-3.C: New test. * testsuite/libgomp.c++/task-4.C: New test. * testsuite/libgomp.c++/task-5.C: New test. * testsuite/libgomp.c++/task-6.C: New test. * testsuite/libgomp.fortran/allocatable1.f90: New test. * testsuite/libgomp.fortran/allocatable2.f90: New test. * testsuite/libgomp.fortran/allocatable3.f90: New test. * testsuite/libgomp.fortran/allocatable4.f90: New test. * testsuite/libgomp.fortran/collapse1.f90: New test. * testsuite/libgomp.fortran/collapse2.f90: New test. * testsuite/libgomp.fortran/collapse3.f90: New test. * testsuite/libgomp.fortran/collapse4.f90: New test. * testsuite/libgomp.fortran/lastprivate1.f90: New test. * testsuite/libgomp.fortran/lastprivate2.f90: New test. * testsuite/libgomp.fortran/lib4.f90: New test. * testsuite/libgomp.fortran/lock-1.f90: New test. * testsuite/libgomp.fortran/lock-2.f90: New test. * testsuite/libgomp.fortran/nested1.f90: New test. * testsuite/libgomp.fortran/nestedfn4.f90: New test. * testsuite/libgomp.fortran/strassen.f90: New test. * testsuite/libgomp.fortran/tabs1.f90: New test. * testsuite/libgomp.fortran/tabs2.f: New test. * testsuite/libgomp.fortran/task1.f90: New test. * testsuite/libgomp.fortran/task2.f90: New test. * testsuite/libgomp.fortran/vla4.f90: Add dg-warning. * testsuite/libgomp.fortran/vla5.f90: Likewise. * testsuite/libgomp.c/pr26943-2.c: Likewise. * testsuite/libgomp.c/pr26943-3.c: Likewise. * testsuite/libgomp.c/pr26943-4.c: Likewise. Co-Authored-By: Jakob Blomer <jakob.blomer@ira.uka.de> Co-Authored-By: Richard Henderson <rth@redhat.com> Co-Authored-By: Ulrich Drepper <drepper@redhat.com> From-SVN: r136433
2008-06-06 15:01:54 +02:00
int
omp_get_active_level (void)
{
return gomp_thread ()->ts.active_level;
[multiple changes] 2006-01-18 Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * libgomp: New directory. * Makefile.def: Add target_module libgomp. * Makefile.in: Regenerate. * configure.in (target_libraries): Add target-libgomp. * configure: Regenerate. contrib/ 2006-01-18 Richard Henderson <rth@redhat.com> Diego Novillo <dnovillo@redhat.com> * gcc_update (files_and_dependencies): Add libgomp files. gcc/ 2006-01-18 Richard Henderson <rth@redhat.com> Aldy Hernandez <aldyh@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * omp-low.c: New file. * c-omp.c: New file. 2006-01-18 Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * doc/invoke.texi: Document -fopenmp. * tree-dump.h (debug_function): Declare. * hooks.c (hook_bool_tree_bool_false): New function. (hook_tree_tree_null): Remove. (hook_tree_tree_tree_null): New. * hooks.h: Update to match. * tree-pretty-print.c (debug_tree_chain): New. (print_generic_expr): Handle TDF_CHAIN. (dump_generic_node): Handle BLOCK. Do not abort with incomplete SWITCH_EXPRs. Do not dump body of an OpenMP directive if TDF_SLIM is given. <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't print space after directive name. <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY. Handle OMP_MASTER and OMP_ORDERED. Handle printing of OMP_BODY just in one place, goto dump_omp_body in the rest of OMP_* nodes that have OMP_BODY. Don't handle clause nodes here. Update omp statements to use dump_omp_clauses. Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION, OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC, OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF, GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED, GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE, GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE. Adjust output for GOMP_PARALLEL. (dump_omp_clauses): New. (print_declaration): Dump DECL_VALUE_EXPR. (op_symbol_1): Split out of op_symbol. (dumping_stmts): Remove. Update all users. * cgraph.c (cgraph_analyze_queue): New. (cgraph_add_new_function): New. * cgraph.h (cgraph_analyze_queue): Declare. (cgraph_add_new_function): Declare. (cgraph_lower_function): Remove. * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_* nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS and TYPE_P nodes in its default clause. (empty_body_p): New. (tree_range_check_failed): New. (build5_stat): New. * tree.h (OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE, OMP_CLAUSE_REDUCTION_PLACEHOLDER, OMP_CLAUSE_PRIVATE_DEBUG, OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY, OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY, OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND, OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL, OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR, OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT, OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT, OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC, OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST, OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY, OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY, OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New. (TREE_RANGE_CHECK): New. (empty_body_p): Declare. (enum omp_clause_default_kind): New. (build_string_literal): Declare. (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New. (build5_stat, build5): Declare. * tree-pass.h (TDF_CHAIN): Define. * tree-pass.h (PROP_gimple_lomp): Define. (pass_lower_omp): Declare. * diagnostic.h (debug_tree_chain): Declare. * builtins.c (get_builtin_sync_mode): Use 0 as last argument to mode_for_size. (expand_builtin): Handle sync BUILT_IN_*_16 builtins. * builtins.c (build_string_literal): Make extern. * gcc.c (include_spec_function): New. (static_spec_functions): Add it. (main): Move load of libgomp.spec ... (LINK_COMMAND_SPEC): ... here. (link_gomp_spec): New. (static_specs): Include it. (LINK_COMMAND_SPEC): Add link_gomp. (GOMP_SELF_SPECS): New. (driver_self_specs): Include it. (switch_matches): Don't mark inline. (main): Load libgomp.spec. * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION, and OMP_SINGLE, OMP_FOR and OMP_PARALLEL. * tree-gimple.h (enum omp_parallel): Declare. (determine_parallel_type): Declare. (omp_firstprivatize_variable): Declare. (omp_reduction_init): Declare. (diagnose_omp_structured_block_errors): Declare. (struct walk_stmt_info): Add want_return_expr. (struct walk_stmt_info): Add want_bind_expr, want_locations. (find_omp_clause): Declare. (insert_field_into_struct): Declare. (struct walk_stmt_info): Move from tree-nested.c (walk_stmts): Declare. * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP to 200505. * cgraphunit.c (cgraph_lower_function): Make static. (cgraph_finalize_pending_functions): New. (cgraph_finalize_function): Call it. (cgraph_finalize_compilation_unit): Likewise. * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16, BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add. (BT_FN_UINT_UINT): New. (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7, DEF_FUNCTION_TYPE_VAR_4): Document. (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT, BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR, BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT, BT_FN_VOID_OMPFN_PTR_UINT_UINT, BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR, BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New. * builtins.def: Update DEF_BUILTIN comment to include COND argument. Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins into separate files. (DEF_GOMP_BUILTIN): New. (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER, BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END, BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END, BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START, BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START, BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START, BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START, BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START, BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT, 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_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT, BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END, BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END, BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT, BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END, BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START, BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New. * sync-builtins.def: New file, moved from builtins.def. * omp-builtins.def: New file, moved from builtins.def. * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine. * gimple-low.c (lower_function_body): Clear data. (lower_stmt): Do not handle COMPOUND_EXPR. Remove call to print_node_brief. * c-tree.h (c_finish_omp_clauses): New prototype. (C_DECL_THREADPRIVATE_P): Define. (lookup_name_no_remap, c_omp_remap_private): Remove (c_begin_omp_parallel, c_finish_omp_parallel): Update. (check_for_loop_decls): Update decl. (lookup_name_no_remap, c_omp_remap_private): Declare. (build_indirect_ref, build_modify_expr, pushdecl, pushdecl_top_level): Move to c-common.h. * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp before the switch, but just in the 2 places that need it. * c-decl.c (diagnose_mismatched_decls): Do not check for mismatched thread-local attributes when OLDDECL is marked threadprivate and NEWDECL has no thread-local attributes. (merge_decls): Merge C_DECL_THREADPRIVATE_P. (c_gimple_diagnostics_recursively): Rename from c_warn_unused_result_recursively. Invoke diagnose_omp_structured_block_errors. (check_for_loop_decls): Return a singular decl found. * langhooks.c (lhd_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls. (lhd_omp_firstprivatize_type_sizes): New. (lhd_omp_assignment): New. (lhd_omp_predetermined_sharing): New. * langhooks.h (struct gimplify_omp_ctx): Forward declare. (struct lang_hooks_for_types): Add omp_firstprivatize_type_sizes, omp_privatize_by_reference, omp_predetermined_sharing, omp_disregard_value_expr, omp_private_debug_clause, omp_clause_default_ctor, omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor. (c_finish_omp_clauses): New. (c_finish_bc_stmt): Diagnose break within omp for. (c_begin_omp_parallel, c_finish_omp_parallel): New. (build_unary_op): Return error_mark after reporting a readonly_error. (build_modify_expr): Likewise. * gimplify.c: Include optabs.h and pointer-set.h. (enum gimplify_omp_var_data): Declare. (struct gimplify_omp_ctx): Declare. (struct gimplify_ctx): Add fields prev_context, combined_pre_p and combined_ctxp. (gimplify_ctxp, gimplify_omp_ctxp): New local variables. (push_gimplify_context, pop_gimplify_context): Allow nesting. (splay_tree_compare_decl_uid): New. (new_omp_context): New. (delete_omp_context): New. (gimple_add_tmp_var): Call omp_add_variable. (gimplify_bind_expr): Likewise. (gimplify_var_or_parm_decl): If omp_notice_variable returned true, disregard DECL_VALUE_EXPR on the decl if any. (gimplify_expr_in_ctx): New. (omp_firstprivatize_variable, omp_firstprivatize_type_sizes omp_add_variable, omp_notice_variable, omp_is_private gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1 gimplify_adjust_omp_clauses, gimplify_omp_parallel gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p gimplify_omp_atomic_fetch_op, goa_stabilize_expr gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex gimplify_omp_atomic): New. (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS, OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL and OMP_ATOMIC. (gimplify_body): Verify gimplify_ctxp is empty after gimplification. * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER, PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR, PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED, PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR, PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION, PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE, PRAGMA_OMP_THREADPRIVATE. * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS, OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define. * print-tree.c (print_node): Dump DECL_VALUE_EXPR. * tree-ssa-dce.c (find_control_dependence): Do not assume that ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR). * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for OpenMP directives. (struct nesting_info): Add field_map, suppress_expansion, debug_var_chain. (create_nesting_tree): Initialize them. (lookup_field_for_decl): Use field_map. (get_nonlocal_debug_decl, get_local_debug_decl): New. (convert_local_omp_clauses): New. (finalize_nesting_tree_1): Add debug_var_chain to toplevel block. (walk_body): Split out of walk_function. (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New. (convert_nonlocal_reference): Handle omp statements. (convert_local_reference): Likewise. (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1. (unnest_nesting_tree): New. (lower_nested_functions): Call it. (insert_field_into_struct): Make extern. (struct walk_stmt_info): Move to tree-gimple.h. (walk_stmts): Make extern. * omp-builtins.def: New file. * tree-iterator.c (expr_only): Clarify comment. * c-common.h (pushdecl_top_level, pushdecl, build_modify_expr, build_indirect_ref, c_finish_omp_master, c_finish_omp_critical, c_finish_omp_ordered, c_finish_omp_barrier, c_finish_omp_atomic, c_finish_omp_flush, c_finish_omp_for, c_split_parallel_clauses, omp_clause_default_kind, c_omp_sharing_predetermined, c_omp_remap_decl): Declare. * Makefile.in (BUILTINS_DEF): Add omp-builtins.def. (OBJS-common): Add omp-low.o. (c-omp.o, omp-low.o): Add. (gimplify.o): Add dependency on $(OPTABS_H). (GTFILES): Add omp-low.c. (gt-stringpool.h): Add. * tree-cfg.c (set_bb_for_stmt): Do not update the block-to-labels map if we are currently expanding to RTL. (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P checks. Handle IDENTIFIER_NODE. (tree_verify_flow_info): Do not ICE when emitting error messages about invalid labels. (dump_function_to_file): Reset CFUN before emitting the body of the function. (debug_function): New. * passes.c (init_optimization_passes): Schedule pass_lower_omp. * langhooks-def.h (lhd_omp_predetermined_sharing, lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes): Declare. (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define. (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it. (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE, LANG_HOOKS_OMP_PREDETERMINED_SHARING, LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR, LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE, LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR, LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, LANG_HOOKS_OMP_CLAUSE_DTOR): Define. (LANG_HOOK_DECLS): Use them. 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com> Richard Henderson <rth@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> * c-parser.c (pragma_omp_clause): Define. (c_parser_declaration_or_fndef): Document OpenMP syntax. (c_parser_compound_statement): Likewise. (c_parser_statement): Likewise. (c_parser_pragma): Handle omp pragmas. (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK, OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define. (c_parser_omp_clause_name, check_no_duplicate_clause, c_parser_omp_variable_list, c_parser_omp_var_list_parens, c_parser_omp_clause_copyin, c_parser_omp_clause_copyprivate, c_parser_omp_clause_default, c_parser_omp_clause_firstprivate, c_parser_omp_clause_if, c_parser_omp_clause_lastprivate, c_parser_omp_clause_nowait, c_parser_omp_clause_num_threads, c_parser_omp_clause_ordered, c_parser_omp_clause_private, c_parser_omp_clause_reduction, c_parser_omp_clause_schedule, c_parser_omp_clause_shared, c_parser_omp_all_clauses, c_parser_omp_structured_block, c_parser_omp_atomic, c_parser_omp_barrier, c_parser_omp_critical, c_parser_omp_flush, c_parser_omp_for_loop, c_parser_omp_for, c_parser_omp_master, c_parser_omp_ordered, c_parser_omp_sections_scope, c_parser_omp_sections, c_parser_omp_parallel, c_parser_omp_single, c_parser_omp_construct, c_parser_omp_threadprivate): New. * c-pragma.c (init_pragma): Do omp pragma registration here. * c.opt (fopenmp): New flag. 2006-01-18 Eric Christopher <echristo@apple.com> * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif. * config/darwin.h (GOMP_SELF_SPECS): Define. testsuite/ 2006-01-18 Richard Henderson <rth@redhat.com> Aldy Hernandez <aldyh@redhat.com> Jakub Jelinek <jakub@redhat.com> Diego Novillo <dnovillo@redhat.com> Uros Bizjak <uros@kss-loka.si> * testsuite/gcc.dg/gomp: New directory. From-SVN: r109902
2006-01-18 20:21:25 +01:00
}
ialias (omp_get_num_threads)
ialias (omp_get_thread_num)
ialias (omp_in_parallel)
c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805. * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805. * langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause. Add omp_private_outer_ref hook, add another argument to omp_clause_default_ctor hook. * langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define. (LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define. (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to hook_tree_tree_tree_tree_null. (LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and LANG_HOOKS_OMP_PRIVATE_OUTER_REF. * hooks.c (hook_tree_tree_tree_tree_null): New function. * hooks.h (hook_tree_tree_tree_tree_null): New prototype. * tree.def (OMP_TASK): New tree code. * tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN, OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT, OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES, OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY, OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG, OMP_CLAUSE_COLLAPSE_EXPR): Define. (enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. (OMP_DIRECTIVE_P): Add OMP_TASK. (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes. (OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind. * tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED entries. (omp_clause_num_ops): Likewise. Increase OMP_CLAUSE_LASTPRIVATE num_ops to 2. (walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Walk OMP_CLAUSE_LASTPRIVATE_STMT. * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. (dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops. * c-omp.c (c_finish_omp_for): Allow pointer iterators. Remove warning about unsigned iterators. Change decl/init/cond/incr arguments to TREE_VECs, check arguments for all collapsed loops. (c_finish_omp_taskwait): New function. (c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to ws_clauses. * c-parser.c (c_parser_omp_for_loop): Parse collapsed loops. Call default_function_array_conversion on init. Add par_clauses argument. If decl is present in parallel's lastprivate clause, change it to shared and add lastprivate clause for decl to OMP_FOR_CLAUSES. Add clauses argument, on success set OMP_FOR_CLAUSES to it. Look up collapse count in clauses. (c_parser_omp_for, c_parser_omp_parallel): Adjust c_parser_omp_for_loop callers. (OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE. (c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT. (c_parser_omp_clause_name): Handle collapse and untied clauses. (c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New functions. (c_parser_omp_clause_schedule): Handle schedule(auto). Include correct location in the error message. (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE and PRAGMA_OMP_CLAUSE_UNTIED. (OMP_TASK_CLAUSE_MASK): Define. (c_parser_omp_task, c_parser_omp_taskwait): New functions. (c_parser_omp_construct): Handle PRAGMA_OMP_TASK. * tree-nested.c (convert_nonlocal_omp_clauses, convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE, OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in OMP_CLAUSE_DECL. (conver_nonlocal_reference, convert_local_reference, convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL. Use OMP_TASKREG_* macros rather than OMP_PARALLEL_*. (walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes. * tree-gimple.c (is_gimple_stmt): Handle OMP_TASK. * c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes. * c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New. (PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New. * c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions. (c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. * c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas. * c-common.h (c_finish_omp_taskwait): New prototype. * gimple-low.c (lower_stmt): Handle OMP_TASK. * tree-parloops.c (create_parallel_loop): Create 1 entry vectors for OMP_FOR_{INIT,COND,INCR}. * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers. (make_edges): Handle OMP_TASK. * tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. * tree-inline.c (estimate_num_insns_1): Handle OMP_TASK. * builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR, BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New. * omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT, BUILT_IN_GOMP_LOOP_ULL_STATIC_START, BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ULL_GUIDED_START, BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START, BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START, BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins. * gimplify.c (gimplify_omp_for): Allow pointer type for decl, handle POINTER_PLUS_EXPR. If loop counter has been replaced and original iterator is present in lastprivate clause or if collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT. Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. (gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK. (enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF. (omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed, if it is set, lookup var in outer contexts too. Handle OMP_CLAUSE_DEFAULT_FIRSTPRIVATE. Handle vars that are supposed to be implicitly determined firstprivate for task regions. (gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed, if it is set, lookup var in outer contexts too. Set OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set. Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Take region_type as last argument instead of in_parallel and in_combined_parallel. (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare): Adjust callers. (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set. Call omp_finish_clause langhook. (new_omp_context): Set default_kind to OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions. (omp_region_type): New enum. (struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel fields, add region_type. (new_omp_context): Take region_type as argument instead of is_parallel and is_combined_parallel. (gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable, omp_is_private, omp_check_private): Adjust ctx->is_parallel and ctx->is_combined_parallel checks. (gimplify_omp_task): New function. (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. * omp-low.c (extract_omp_for_data): Use schedule(static) for schedule(auto). Handle pointer and unsigned iterators. Compute fd->iter_type. Handle POINTER_PLUS_EXPR increments. Add loops argument. Extract data for collapsed OMP_FOR loops. (expand_parallel_call): Assert sched_kind isn't auto, map runtime schedule to index 3. (struct omp_for_data_loop): New type. (struct omp_for_data): Remove v, n1, n2, step, cond_code fields. Add loop, loops, collapse and iter_type fields. (workshare_safe_to_combine_p): Disallow combined for if iter_type is unsigned long long. Don't combine collapse > 1 loops unless all bounds and steps are constant. Adjust extract_omp_for_data caller. (expand_omp_for_generic): Handle pointer, unsigned and long long iterators. Handle collapsed OMP_FOR loops. Adjust for struct omp_for_data changes. If libgomp function doesn't return boolean_type_node, add comparison of the return value with 0. (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle pointer, unsigned and long long iterators. Adjust for struct omp_for_data changes. (expand_omp_for): Assert sched_kind isn't auto, map runtime schedule to index 3. Use GOMP_loop_ull*{start,next} if iter_type is unsigned long long. Allocate loops array, pass it to extract_omp_for_data. For collapse > 1 loops use always expand_omp_for_generic. (omp_context): Add sfield_map and srecord_type fields. (is_task_ctx, lookup_sfield): New functions. (use_pointer_for_field): Use is_task_ctx helper. Change first argument's type from const_tree to tree. Clarify comment. In OMP_TASK disallow copy-in/out sharing. (build_sender_ref): Call lookup_sfield instead of lookup_field. (install_var_field): Add mask argument. Populate both record_type and srecord_type if needed. (delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN in srecord_type. (fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT} and DECL_FIELD_OFFSET. (scan_sharing_clauses): Adjust install_var_field callers. For firstprivate clauses on explicit tasks allocate the var by value in record_type unconditionally, rather than by reference. Handle OMP_CLAUSE_PRIVATE_OUTER_REF. Scan OMP_CLAUSE_LASTPRIVATE_STMT. Use is_taskreg_ctx instead of is_parallel_ctx. Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. (create_omp_child_function_name): Add task_copy argument, use *_omp_cpyfn* names if it is true. (create_omp_child_function): Add task_copy argument, if true create *_omp_cpyfn* helper function. (scan_omp_parallel): Adjust create_omp_child_function callers. Rename parallel_nesting_level to taskreg_nesting_level. (scan_omp_task): New function. (lower_rec_input_clauses): Don't run constructors for firstprivate explicit task vars which are initialized by *_omp_cpyfn*. Pass outer var ref to omp_clause_default_ctor hook if OMP_CLAUSE_PRIVATE_OUTER_REF or OMP_CLAUSE_LASTPRIVATE. Replace OMP_CLAUSE_REDUCTION_PLACEHOLDER decls in OMP_CLAUSE_REDUCTION_INIT. (lower_send_clauses): Clear DECL_ABSTRACT_ORIGIN if in task to avoid duplicate setting of fields. Handle OMP_CLAUSE_PRIVATE_OUTER_REF. (lower_send_shared_vars): Use srecord_type if non-NULL. Don't copy-out if TREE_READONLY, only copy-in. (expand_task_copyfn): New function. (expand_task_call): New function. (struct omp_taskcopy_context): New type. (task_copyfn_copy_decl, task_copyfn_remap_type, create_task_copyfn): New functions. (lower_omp_parallel): Rename to... (lower_omp_taskreg): ... this. Use OMP_TASKREG_* macros where needed. Call create_task_copyfn if srecord_type is needed. Adjust sender_decl type. (task_shared_vars): New variable. (check_omp_nesting_restrictions): Warn if work-sharing, barrier, master or ordered region is closely nested inside OMP_TASK. Add warnings for barrier if closely nested inside of work-sharing, ordered, or master region. (scan_omp_1): Call check_omp_nesting_restrictions even for GOMP_barrier calls. Rename parallel_nesting_level to taskreg_nesting_level. Handle OMP_TASK. (lower_lastprivate_clauses): Even if some lastprivate is found on a work-sharing construct, continue looking for them on parent parallel construct. (lower_omp_for_lastprivate): Add lastprivate clauses to the beginning of dlist rather than end. Adjust for struct omp_for_data changes. (lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY, not after it. Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller. (get_ws_args_for): Adjust extract_omp_for_data caller. (scan_omp_for): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. (lower_omp_single_simple): If libgomp function doesn't return boolean_type_node, add comparison of the return value with 0. (diagnose_sb_1, diagnose_sb_2): Handle collapsed OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes. Handle OMP_TASK. (parallel_nesting_level): Rename to... (taskreg_nesting_level): ... this. (is_taskreg_ctx): New function. (build_outer_var_ref, omp_copy_decl): Use is_taskreg_ctx instead of is_parallel_ctx. (execute_lower_omp): Rename parallel_nesting_level to taskreg_nesting_level. (expand_omp_parallel): Rename to... (expand_omp_taskreg): ... this. Use OMP_TASKREG_* macros where needed. Call omp_task_call for OMP_TASK regions. (expand_omp): Adjust caller, handle OMP_TASK. (lower_omp_1): Adjust lower_omp_taskreg caller, handle OMP_TASK. * bitmap.c (bitmap_default_obstack_depth): New variable. (bitmap_obstack_initialize, bitmap_obstack_release): Do nothing if argument is NULL and bitmap_default_obstack is already initialized. * ipa-struct-reorg.c (do_reorg_1): Call bitmap_obstack_release at the end. * matrix-reorg.c (matrix_reorg): Likewise. cp/ * cp-tree.h (cxx_omp_finish_clause, cxx_omp_create_clause_info, dependent_omp_for_p, begin_omp_task, finish_omp_task, finish_omp_taskwait): New prototypes. (cxx_omp_clause_default_ctor): Add outer argument. (finish_omp_for): Add new clauses argument. * cp-gimplify.c (cxx_omp_finish_clause): New function. (cxx_omp_predetermined_sharing): Moved from semantics.c, rewritten. (cxx_omp_clause_default_ctor): Add outer argument. (cp_genericize_r): Walk OMP_CLAUSE_LASTPRIVATE_STMT. * cp-objcp-common.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define. * parser.c (cp_parser_omp_for_loop): Parse collapsed for loops. Add par_clauses argument. If decl is present in parallel's lastprivate clause, change that clause to shared and add a lastprivate clause for decl to OMP_FOR_CLAUSES. Fix wording of error messages. Adjust finish_omp_for caller. Add clauses argument. Parse loops with random access iterators. (cp_parser_omp_clause_collapse, cp_parser_omp_clause_untied): New functions. (cp_parser_omp_for, cp_parser_omp_parallel): Adjust cp_parser_omp_for_loop callers. (cp_parser_omp_for_cond, cp_parser_omp_for_incr): New helper functions. (cp_parser_omp_clause_name): Handle collapse and untied clauses. (cp_parser_omp_clause_schedule): Handle auto schedule. (cp_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE and PRAGMA_OMP_CLAUSE_UNTIED. (OMP_FOR_CLAUSE_MASK): Add PRAGMA_OMP_CLAUSE_COLLAPSE. (OMP_TASK_CLAUSE_MASK): Define. (cp_parser_omp_task, cp_parser_omp_taskwait): New functions. (cp_parser_omp_construct): Handle PRAGMA_OMP_TASK. (cp_parser_pragma): Handle PRAGMA_OMP_TASK and PRAGMA_OMP_TASKWAIT. * pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED. Handle OMP_CLAUSE_LASTPRIVATE_STMT. (tsubst_omp_for_iterator): New function. (dependent_omp_for_p): New function. (tsubst_expr) <case OMP_FOR>: Use it. Handle collapsed OMP_FOR loops. Adjust finish_omp_for caller. Handle loops with random access iterators. Adjust for OMP_FOR_{INIT,COND,INCR} changes. (tsubst_expr): Handle OMP_TASK. * semantics.c (cxx_omp_create_clause_info): New function. (finish_omp_clauses): Call it. Handle OMP_CLAUSE_UNTIED and OMP_CLAUSE_COLLAPSE. (cxx_omp_predetermined_sharing): Removed. * semantics.c (finish_omp_for): Allow pointer iterators. Use handle_omp_for_class_iterator and dependent_omp_for_p. Handle collapsed for loops. Adjust c_finish_omp_for caller. Add new clauses argument. Fix check for type dependent cond or incr. Set OMP_FOR_CLAUSES to clauses. Use cp_convert instead of fold_convert to convert incr amount to difference_type. Only fold if not in template. If decl is mentioned in lastprivate clause, set OMP_CLAUSE_LASTPRIVATE_STMT. Handle loops with random access iterators. Adjust for OMP_FOR_{INIT,COND,INCR} changes. (finish_omp_threadprivate): Allow static class members of the current class. (handle_omp_for_class_iterator, begin_omp_task, finish_omp_task, finish_omp_taskwait): New functions. * parser.c (cp_parser_binary_expression): Add prec argument. (cp_parser_assignment_expression): Adjust caller. * cp-tree.h (outer_curly_brace_block): New prototype. * decl.c (outer_curly_brace_block): No longer static. fortran/ * scanner.c (skip_free_comments, skip_fixed_comments): Handle tabs. * parse.c (next_free): Allow tab after !$omp. (decode_omp_directive): Handle !$omp task, !$omp taskwait and !$omp end task. (case_executable): Add ST_OMP_TASKWAIT. (case_exec_markers): Add ST_OMP_TASK. (gfc_ascii_statement): Handle ST_OMP_TASK, ST_OMP_END_TASK and ST_OMP_TASKWAIT. (parse_omp_structured_block, parse_executable): Handle ST_OMP_TASK. * gfortran.h (gfc_find_sym_in_expr): New prototype. (gfc_statement): Add ST_OMP_TASK, ST_OMP_END_TASK and ST_OMP_TASKWAIT. (gfc_omp_clauses): Add OMP_SCHED_AUTO to sched_kind, OMP_DEFAULT_FIRSTPRIVATE to default_sharing. Add collapse and untied fields. (gfc_exec_op): Add EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * f95-lang.c (LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, LANG_HOOKS_OMP_CLAUSE_DTOR, LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define. * trans.h (gfc_omp_clause_default_ctor): Add another argument. (gfc_omp_clause_copy_ctor, gfc_omp_clause_assign_op, gfc_omp_clause_dtor, gfc_omp_private_outer_ref): New prototypes. * types.def (BT_ULONGLONG, BT_PTR_ULONGLONG, BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR, BT_FN_VOID_PTR_PTR, BT_PTR_FN_VOID_PTR_PTR, BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New. (BT_BOOL): Use integer type with BOOL_TYPE_SIZE rather than boolean_type_node. * dump-parse-tree.c (gfc_show_omp_node): Handle EXEC_OMP_TASK, EXEC_OMP_TASKWAIT, OMP_SCHED_AUTO, OMP_DEFAULT_FIRSTPRIVATE, untied and collapse clauses. (gfc_show_code_node): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * trans.c (gfc_trans_code): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. * st.c (gfc_free_statement): Likewise. * resolve.c (gfc_resolve_blocks, resolve_code): Likewise. (find_sym_in_expr): Rename to... (gfc_find_sym_in_expr): ... this. No longer static. (resolve_allocate_expr, resolve_ordinary_assign): Adjust caller. * match.h (gfc_match_omp_task, gfc_match_omp_taskwait): New prototypes. * openmp.c (resolve_omp_clauses): Allow allocatable arrays in firstprivate, lastprivate, reduction, copyprivate and copyin clauses. (omp_current_do_code): Made static. (omp_current_do_collapse): New variable. (gfc_resolve_omp_do_blocks): Compute omp_current_do_collapse, clear omp_current_do_code and omp_current_do_collapse on return. (gfc_resolve_do_iterator): Handle collapsed do loops. (resolve_omp_do): Likewise, diagnose errorneous collapsed do loops. (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): Define. (gfc_match_omp_clauses): Handle default (firstprivate), schedule (auto), untied and collapse (n) clauses. (OMP_DO_CLAUSES): Add OMP_CLAUSE_COLLAPSE. (OMP_TASK_CLAUSES): Define. (gfc_match_omp_task, gfc_match_omp_taskwait): New functions. * trans-openmp.c (gfc_omp_private_outer_ref): New function. (gfc_omp_clause_default_ctor): Add outer argument. For allocatable arrays allocate them with the bounds of the outer var if outer var is allocated. (gfc_omp_clause_copy_ctor, gfc_omp_clause_assign_op, gfc_omp_clause_dtor): New functions. (gfc_trans_omp_array_reduction): If decl is allocatable array, allocate it with outer var's bounds in OMP_CLAUSE_REDUCTION_INIT and deallocate it in OMP_CLAUSE_REDUCTION_MERGE. (gfc_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED for assumed-size arrays. (gfc_trans_omp_do): Add par_clauses argument. If dovar is present in lastprivate clause and do loop isn't simple, set OMP_CLAUSE_LASTPRIVATE_STMT. If dovar is present in parallel's lastprivate clause, change it to shared and add lastprivate clause to OMP_FOR_CLAUSES. Handle collapsed do loops. (gfc_trans_omp_directive): Adjust gfc_trans_omp_do callers. (gfc_trans_omp_parallel_do): Likewise. Move collapse clause to OMP_FOR from OMP_PARALLEL. (gfc_trans_omp_clauses): Handle OMP_SCHED_AUTO, OMP_DEFAULT_FIRSTPRIVATE, untied and collapse clauses. (gfc_trans_omp_task, gfc_trans_omp_taskwait): New functions. (gfc_trans_omp_directive): Handle EXEC_OMP_TASK and EXEC_OMP_TASKWAIT. gcc/testsuite/ * gcc.dg/gomp/collapse-1.c: New test. * gcc.dg/gomp/nesting-1.c: New test. * g++.dg/gomp/task-1.C: New test. * g++.dg/gomp/predetermined-1.C: New test. * g++.dg/gomp/tls-4.C: New test. * gfortran.dg/gomp/collapse1.f90: New test. * gfortran.dg/gomp/sharing-3.f90: New test. * gcc.dg/gomp/pr27499.c (foo): Remove is unsigned dg-warning. * g++.dg/gomp/pr27499.C (foo): Likewise. * g++.dg/gomp/for-16.C (foo): Likewise. * g++.dg/gomp/tls-3.C: Remove dg-error, add S::s definition. * g++.dg/gomp/pr34607.C: Adjust dg-error location. * g++.dg/gomp/for-16.C (foo): Add a new dg-error. * gcc.dg/gomp/appendix-a/a.35.4.c: Add dg-warning. * gcc.dg/gomp/appendix-a/a.35.6.c: Likewise. * gfortran.dg/gomp/appendix-a/a.35.4.f90: Likewise. * gfortran.dg/gomp/appendix-a/a.35.6.f90: Likewise. * gfortran.dg/gomp/omp_parse1.f90: Remove !$omp tab test. * gfortran.dg/gomp/appendix-a/a.33.4.f90: Remove dg-error about allocatable array. * gfortran.dg/gomp/reduction1.f90: Likewise. libgomp/ * configure.ac (LIBGOMP_GNU_SYMBOL_VERSIONING): New AC_DEFINE. Substitute also OMP_*LOCK_25*. * configure: Regenerated. * config.h.in: Regenerated. * Makefile.am (libgomp_la_SOURCES): Add loop_ull.c, iter_ull.c, ptrlock.c and task.c. * Makefile.in: Regenerated. * testsuite/Makefile.in: Regenerated. * task.c: New file. * loop_ull.c: New file. * iter_ull.c: New file. * libgomp.h: Include ptrlock.h. (enum gomp_task_kind): New type. (struct gomp_team): Add task_lock, task_queue, task_count, task_running_count, single_count fields. Add work_share_list_free_lock ifndef HAVE_SYNC_BUILTINS. Remove work_share_lock, generation_mask, oldest_live_gen, num_live_gen and init_work_shares fields, add work work_share_list_alloc, work_share_list_free and work_share_chunk fields. Change work_shares from pointer to pointers into an array. Change ordered_release field into gomp_sem_t ** from flexible array member. Add implicit_task and initial_work_shares fields. Move close to the end of the struct. (struct gomp_team_state): Add single_count, last_work_share, active_level and level fields, remove work_share_generation. (gomp_barrier_handle_tasks): New prototype. (gomp_finish_task): New inline function. (struct gomp_work_share): Move chunk_size, end, incr into transparent union/struct, add chunk_size_ull, end_ll, incr_ll and next_ll fields. Reshuffle fields. Add next_alloc, next_ws, next_free and inline_ordered_team_ids fields, change ordered_team_ids into pointer from flexible array member. Add mode field. Put lock and next into a different cache line from most of the write-once fields. (gomp_iter_ull_static_next, gomp_iter_ull_dynamic_next_locked, gomp_iter_ull_guided_next_locked, gomp_iter_ull_dynamic_next, gomp_iter_ull_guided_next): New prototypes. (gomp_new_icv): New prototype. (struct gomp_thread): Add thread_pool and task fields. (struct gomp_thread_pool): New type. (gomp_new_team): New prototype. (gomp_team_start): Change type of last argument. (gomp_new_work_share): Removed. (gomp_init_work_share, gomp_fini_work_share): New prototypes. (gomp_work_share_init_done): New static inline. (gomp_throttled_spin_count_var, gomp_available_cpus, gomp_managed_threads): New extern decls. (gomp_init_task): New prototype. (gomp_spin_count_var): New extern var decl. (LIBGOMP_GNU_SYMBOL_VERSIONING): Undef if no visibility or no alias support, or if not PIC. (gomp_init_lock_30, gomp_destroy_lock_30, gomp_set_lock_30, gomp_unset_lock_30, gomp_test_lock_30, gomp_init_nest_lock_30, gomp_destroy_nest_lock_30, gomp_set_nest_lock_30, gomp_unset_nest_lock_30, gomp_test_nest_lock_30, gomp_init_lock_25, gomp_destroy_lock_25, gomp_set_lock_25, gomp_unset_lock_25, gomp_test_lock_25, gomp_init_nest_lock_25, gomp_destroy_nest_lock_25, gomp_set_nest_lock_25, gomp_unset_nest_lock_25, gomp_test_nest_lock_25): New prototypes. (omp_lock_symver, strong_alias): Define. (gomp_remaining_threads_count, gomp_remaining_threads_lock): New decls. (gomp_end_task): New. (struct gomp_task_icv, gomp_global_icv): New. (gomp_thread_limit_var, gomp_max_active_levels_var): New. (struct gomp_task): New. (gomp_nthreads_var, gomp_dyn_var, gomp_nest_var, gomp_run_sched_var, gomp_run_sched_chunk): Remove. (gomp_icv): New. (gomp_schedule_type): Reorder enum to match omp_sched_t. * team.c (struct gomp_thread_start_data): Add thread_pool and task fields. (gomp_thread_start): Add gomp_team_barrier_wait call. For non-nested case remove clearing of docked thread thr fields. Use pool fields instead of global gomp_* variables. Use gomp_barrier_wait_last when needed. Initialize ts.active_level. Create tasks for each member thread. (free_team): Only destroy team barrier, task_lock here and free it. (gomp_free_thread): Free last_team if non-NULL. (gomp_team_end): Call gomp_team_barrier_wait instead of gomp_barrier_wait. For nested case call one extra gomp_barrier_wait. Move here some destruction from free_team. Call free_team on pool->last_team if any, rather than freeing current team. Destroy work_share_list_free_lock ifndef HAVE_SYNC_BUILTINS. (gomp_new_icv): New function. (gomp_threads, gomp_threads_size, gomp_threads_used, gomp_threads_dock): Removed. (gomp_thread_destructor): New variable. (gomp_new_thread_pool, gomp_free_pool_helper, gomp_free_thread): New functions. (gomp_team_start): Create new pool if current thread doesn't have one. Use pool fields instead of global gomp_* variables. Initialize thread_pool field for new threads. Clear single_count. Change last argument from ws to team, don't create new team, set ts.work_share to &team->work_shares[0] and clear ts.last_work_share. Don't clear ts.work_share_generation. If number of threads changed, adjust atomically gomp_managed_threads. Use gomp_init_task instead of gomp_new_task, set thr->task to the corresponding implicit_task array entry. Create tasks for each member thread. Initialize ts.level. (initialize_team): Call pthread_key_create on gomp_thread_destructor. (team_destructor): New function. (new_team): Removed. (gomp_new_team): New function. (free_team): Free gomp_work_share blocks chained through next_alloc, instead of freeing work_shares and destroying work_share_lock. (gomp_team_end): Call gomp_fini_work_share. If number of threads changed, adjust atomically gomp_managed_threads. Use gomp_end_task. * barrier.c (GOMP_barrier): Call gomp_team_barrier_wait instead of gomp_barrier_wait. * single.c (GOMP_single_copy_start): Call gomp_team_barrier_wait instead of gomp_barrier_wait. Call gomp_work_share_init_done if gomp_work_share_start returned true. Don't unlock ws->lock. (GOMP_single_copy_end): Call gomp_team_barrier_wait instead of gomp_barrier_wait. (GOMP_single_start): Rewritten if HAVE_SYNC_BUILTINS. Call gomp_work_share_init_done if gomp_work_share_start returned true. Don't unlock ws->lock. * work.c: Include stddef.h. (free_work_share): Use work_share_list_free_lock instead of atomic chaining ifndef HAVE_SYNC_BUILTINS. Add team argument. Call gomp_fini_work_share and then either free ws if orphaned, or put it into work_share_list_free list of the current team. (alloc_work_share, gomp_init_work_share, gomp_fini_work_share): New functions. (gomp_work_share_start, gomp_work_share_end, gomp_work_share_end_nowait): Rewritten. * omp_lib.f90.in Change some tabs to spaces to prevent warnings. (openmp_version): Set to 200805. (omp_sched_kind, omp_sched_static, omp_sched_dynamic, omp_sched_guided, omp_sched_auto): New parameters. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New interfaces. * omp_lib.h.in (openmp_version): Set to 200805. (omp_sched_kind, omp_sched_static, omp_sched_dynamic, omp_sched_guided, omp_sched_auto): New parameters. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New externals. * loop.c: Include limits.h. (GOMP_loop_runtime_next, GOMP_loop_ordered_runtime_next): Handle GFS_AUTO. (GOMP_loop_runtime_start, GOMP_loop_ordered_runtime_start): Likewise. Use gomp_icv. (gomp_loop_static_start, gomp_loop_dynamic_start): Clear ts.static_trip here. (gomp_loop_static_start, gomp_loop_ordered_static_start): Call gomp_work_share_init_done after gomp_loop_init. Don't unlock ws->lock. (gomp_loop_dynamic_start, gomp_loop_guided_start): Call gomp_work_share_init_done after gomp_loop_init. If HAVE_SYNC_BUILTINS, don't unlock ws->lock, otherwise lock it. (gomp_loop_ordered_dynamic_start, gomp_loop_ordered_guided_start): Call gomp_work_share_init_done after gomp_loop_init. Lock ws->lock. (gomp_parallel_loop_start): Call gomp_new_team instead of gomp_new_work_share. Call gomp_loop_init on &team->work_shares[0]. Adjust gomp_team_start caller. Pass 0 as second argument to gomp_resolve_num_threads. (gomp_loop_init): For GFS_DYNAMIC, multiply ws->chunk_size by incr. If adding ws->chunk_size nthreads + 1 times after end won't overflow, set ws->mode to 1. * libgomp_g.h (GOMP_loop_ull_static_start, GOMP_loop_ull_dynamic_start, GOMP_loop_ull_guided_start, GOMP_loop_ull_runtime_start, GOMP_loop_ull_ordered_static_start, GOMP_loop_ull_ordered_dynamic_start, GOMP_loop_ull_ordered_guided_start, GOMP_loop_ull_ordered_runtime_start, GOMP_loop_ull_static_next, GOMP_loop_ull_dynamic_next, GOMP_loop_ull_guided_next, GOMP_loop_ull_runtime_next, GOMP_loop_ull_ordered_static_next, GOMP_loop_ull_ordered_dynamic_next, GOMP_loop_ull_ordered_guided_next, GOMP_loop_ull_ordered_runtime_next, GOMP_task, GOMP_taskwait): New prototypes. * libgomp.map: Export lock routines also @@OMP_2.0. (GOMP_loop_ordered_dynamic_first, GOMP_loop_ordered_guided_first, GOMP_loop_ordered_runtime_first, GOMP_loop_ordered_static_first): Remove. (GOMP_loop_ull_dynamic_next, GOMP_loop_ull_dynamic_start, GOMP_loop_ull_guided_next, GOMP_loop_ull_guided_start, GOMP_loop_ull_ordered_dynamic_next, GOMP_loop_ull_ordered_dynamic_start, GOMP_loop_ull_ordered_guided_next, GOMP_loop_ull_ordered_guided_start, GOMP_loop_ull_ordered_runtime_next, GOMP_loop_ull_ordered_runtime_start, GOMP_loop_ull_ordered_static_next, GOMP_loop_ull_ordered_static_start, GOMP_loop_ull_runtime_next, GOMP_loop_ull_runtime_start, GOMP_loop_ull_static_next, GOMP_loop_ull_static_start, GOMP_task, GOMP_taskwait): Export @@GOMP_2.0. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level, omp_set_schedule_, omp_set_schedule_8_, omp_get_schedule_, omp_get_schedule_8_, omp_get_thread_limit_, omp_set_max_active_levels_, omp_set_max_active_levels_8_, omp_get_max_active_levels_, omp_get_level_, omp_get_ancestor_thread_num_, omp_get_ancestor_thread_num_8_, omp_get_team_size_, omp_get_team_size_8_, omp_get_active_level_): New exports @@OMP_3.0. * omp.h.in (omp_sched_t): New type. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New prototypes. * env.c (gomp_spin_count_var, gomp_throttled_spin_count_var, gomp_available_cpus, gomp_managed_threads, gomp_max_active_levels_var, gomp_thread_limit_var, gomp_remaining_threads_count, gomp_remaining_threads_lock): New variables. (parse_spincount): New function. (initialize_env): Call gomp_init_num_threads unconditionally. Initialize gomp_available_cpus. Call parse_spincount, initialize gomp_{,throttled_}spin_count_var depending on presence and value of OMP_WAIT_POLICY and GOMP_SPINCOUNT env vars. Handle GOMP_BLOCKTIME env var. Handle OMP_WAIT_POLICY, OMP_MAX_ACTIVE_LEVELS, OMP_THREAD_LIMIT, OMP_STACKSIZE env vars. Handle unit specification for GOMP_STACKSIZE. Initialize gomp_remaining_threads_count and gomp_remaining_threads_lock if needed. Use gomp_global_icv. (gomp_nthreads_var, gomp_dyn_var, gomp_nest_var, gomp_run_sched_var, gomp_run_sched_chunk): Remove. (gomp_global_icv): New. (parse_schedule): Use it. Parse "auto". (omp_set_num_threads): Use gomp_icv. (omp_set_dynamic, omp_get_dynamic, omp_set_nested, omp_get_nested): Likewise. (omp_get_max_threads): Move from parallel.c. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels): New functions, add ialias. (parse_stacksize, parse_wait_policy): New functions. * fortran.c: Rewrite lock wrappers, if symbol versioning provide both wrappers for compatibility and new locks. (omp_set_schedule, omp_get_schedule, omp_get_thread_limit, omp_set_max_active_levels, omp_get_max_active_levels, omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New ialias_redirect. (omp_set_schedule_, omp_set_schedule_8_, omp_get_schedule_, omp_get_schedule_8_, omp_get_thread_limit_, omp_set_max_active_levels_, omp_set_max_active_levels_8_, omp_get_max_active_levels_, omp_get_level_, omp_get_ancestor_thread_num_, omp_get_ancestor_thread_num_8_, omp_get_team_size_, omp_get_team_size_8_, omp_get_active_level_): New functions. * parallel.c: Include limits.h. (gomp_resolve_num_threads): Add count argument. Rewritten. (GOMP_parallel_start): Call gomp_new_team and pass that as last argument to gomp_team_start. Pass 0 as second argument to gomp_resolve_num_threads. (GOMP_parallel_end): Decrease gomp_remaining_threads_count if gomp_thread_limit_var != ULONG_MAX. (omp_in_parallel): Implement using ts.active_level. (omp_get_max_threads): Move to env.c. (omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level): New functions, add ialias. * sections.c (GOMP_sections_start): Call gomp_work_share_init_done after gomp_sections_init. If HAVE_SYNC_BUILTINS, call gomp_iter_dynamic_next instead of the _locked variant and don't take lock around it, otherwise acquire it before calling gomp_iter_dynamic_next_locked. (GOMP_sections_next): If HAVE_SYNC_BUILTINS, call gomp_iter_dynamic_next instead of the _locked variant and don't take lock around it. (GOMP_parallel_sections_start): Call gomp_new_team instead of gomp_new_work_share. Call gomp_sections_init on &team->work_shares[0]. Adjust gomp_team_start caller. Pass count as second argument to gomp_resolve_num_threads, don't adjust num_threads after the call. Use gomp_icv. * iter.c (gomp_iter_dynamic_next_locked): Don't multiply ws->chunk_size by incr. (gomp_iter_dynamic_next): Likewise. If ws->mode, use more efficient code. * libgomp_f.h.in (omp_lock_25_arg_t, omp_nest_lock_25_arg_t): New types. (omp_lock_25_arg, omp_nest_lock_25_arg): New macros. (omp_check_defines): Check even the compat defines. * config/linux/ptrlock.c: New file. * config/linux/ptrlock.h: New file. * config/linux/wait.h: New file. * config/posix/ptrlock.c: New file. * config/posix/ptrlock.h: New file. * config/linux/bar.h (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New prototypes. (gomp_team_barrier_set_task_pending, gomp_team_barrier_clear_task_pending, gomp_team_barrier_set_waiting_for_tasks, gomp_team_barrier_waiting_for_tasks, gomp_team_barrier_done): New inlines. (gomp_barrier_t): Rewritten. (gomp_barrier_state_t): New typedef. (gomp_barrier_init, gomp_barrier_reinit, gomp_barrier_destroy, gomp_barrier_wait_start): Rewritten. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_barrier_last_thread, gomp_barrier_wait_last): New static inlines. * config/linux/bar.c: Include wait.h instead of libgomp.h and futex.h. (gomp_barrier_wait_end): Rewritten. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake, gomp_barrier_wait_last): New functions. * config/posix/bar.h (gomp_barrier_t): Add generation field. (gomp_barrier_state_t): New typedef. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New prototypes. (gomp_barrier_wait_start): Or all but low 2 bits from generation into the return value. Return gomp_barrier_state_t. (gomp_team_barrier_set_task_pending, gomp_team_barrier_clear_task_pending, gomp_team_barrier_set_waiting_for_tasks, gomp_team_barrier_waiting_for_tasks, gomp_team_barrier_done): New inlines. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_barrier_last_thread, gomp_barrier_wait_last): New static inlines. * config/posix/bar.c (gomp_barrier_init): Clear generation field. (gomp_barrier_wait_end): Change second argument to gomp_barrier_state_t. (gomp_team_barrier_wait, gomp_team_barrier_wait_end, gomp_team_barrier_wake): New functions. * config/linux/mutex.c: Include wait.h instead of libgomp.h and futex.h. (gomp_futex_wake, gomp_futex_wait): New variables. (gomp_mutex_lock_slow): Call do_wait instead of futex_wait. * config/linux/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. Include wait.h instead of libgomp.h and futex.h. (gomp_set_nest_lock_25): Call do_wait instead of futex_wait. * config/posix95/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. * config/posix/lock.c: Rewrite to make locks task owned, for backwards compatibility provide the old entrypoints if symbol versioning. * config/linux/proc.c (gomp_init_num_threads): Use gomp_global_icv. (get_num_procs, gomp_dynamic_max_threads): Use gomp_icv. * config/posix/proc.c, config/mingw32/proc.c: Similarly. * config/linux/powerpc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/alpha/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/x86/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/s390/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/ia64/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/sparc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove. (sys_futex0): Return error code. (futex_wake, futex_wait): If ENOSYS was returned, clear FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry. (cpu_relax, atomic_write_barrier): New static inlines. * config/linux/sem.c: Include wait.h instead of libgomp.h and futex.h. (gomp_sem_wait_slow): Call do_wait instead of futex_wait. * config/linux/affinity.c: Assume HAVE_SYNC_BUILTINS. * config/linux/omp-lock.h (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_nest_lock_t): Change owner into void *, add lock field. * config/posix95/omp-lock.h: Include semaphore.h. (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_lock_t): Use sem_t instead of mutex if semaphores aren't broken. (omp_nest_lock_t): Likewise. Change owner to void *. * config/posix/omp-lock.h: Include semaphore.h. (omp_lock_25_t, omp_nest_lock_25_t): New types. (omp_lock_t): Use sem_t instead of mutex if semaphores aren't broken. (omp_nest_lock_t): Likewise. Add owner field. * testsuite/libgomp.c/collapse-1.c: New test. * testsuite/libgomp.c/collapse-2.c: New test. * testsuite/libgomp.c/collapse-3.c: New test. * testsuite/libgomp.c/icv-1.c: New test. * testsuite/libgomp.c/icv-2.c: New test. * testsuite/libgomp.c/lib-2.c: New test. * testsuite/libgomp.c/lock-1.c: New test. * testsuite/libgomp.c/lock-2.c: New test. * testsuite/libgomp.c/lock-3.c: New test. * testsuite/libgomp.c/loop-4.c: New test. * testsuite/libgomp.c/loop-5.c: New test. * testsuite/libgomp.c/loop-6.c: New test. * testsuite/libgomp.c/loop-7.c: New test. * testsuite/libgomp.c/loop-8.c: New test. * testsuite/libgomp.c/loop-9.c: New test. * testsuite/libgomp.c/nested-3.c: New test. * testsuite/libgomp.c/nestedfn-6.c: New test. * testsuite/libgomp.c/sort-1.c: New test. * testsuite/libgomp.c/task-1.c: New test. * testsuite/libgomp.c/task-2.c: New test. * testsuite/libgomp.c/task-3.c: New test. * testsuite/libgomp.c/task-4.c: New test. * testsuite/libgomp.c++/c++.exp: Add libstdc++-v3 build includes to C++ testsuite default compiler options. * testsuite/libgomp.c++/collapse-1.C: New test. * testsuite/libgomp.c++/collapse-2.C: New test. * testsuite/libgomp.c++/ctor-10.C: New test. * testsuite/libgomp.c++/for-1.C: New test. * testsuite/libgomp.c++/for-2.C: New test. * testsuite/libgomp.c++/for-3.C: New test. * testsuite/libgomp.c++/for-4.C: New test. * testsuite/libgomp.c++/for-5.C: New test. * testsuite/libgomp.c++/loop-8.C: New test. * testsuite/libgomp.c++/loop-9.C: New test. * testsuite/libgomp.c++/loop-10.C: New test. * testsuite/libgomp.c++/task-1.C: New test. * testsuite/libgomp.c++/task-2.C: New test. * testsuite/libgomp.c++/task-3.C: New test. * testsuite/libgomp.c++/task-4.C: New test. * testsuite/libgomp.c++/task-5.C: New test. * testsuite/libgomp.c++/task-6.C: New test. * testsuite/libgomp.fortran/allocatable1.f90: New test. * testsuite/libgomp.fortran/allocatable2.f90: New test. * testsuite/libgomp.fortran/allocatable3.f90: New test. * testsuite/libgomp.fortran/allocatable4.f90: New test. * testsuite/libgomp.fortran/collapse1.f90: New test. * testsuite/libgomp.fortran/collapse2.f90: New test. * testsuite/libgomp.fortran/collapse3.f90: New test. * testsuite/libgomp.fortran/collapse4.f90: New test. * testsuite/libgomp.fortran/lastprivate1.f90: New test. * testsuite/libgomp.fortran/lastprivate2.f90: New test. * testsuite/libgomp.fortran/lib4.f90: New test. * testsuite/libgomp.fortran/lock-1.f90: New test. * testsuite/libgomp.fortran/lock-2.f90: New test. * testsuite/libgomp.fortran/nested1.f90: New test. * testsuite/libgomp.fortran/nestedfn4.f90: New test. * testsuite/libgomp.fortran/strassen.f90: New test. * testsuite/libgomp.fortran/tabs1.f90: New test. * testsuite/libgomp.fortran/tabs2.f: New test. * testsuite/libgomp.fortran/task1.f90: New test. * testsuite/libgomp.fortran/task2.f90: New test. * testsuite/libgomp.fortran/vla4.f90: Add dg-warning. * testsuite/libgomp.fortran/vla5.f90: Likewise. * testsuite/libgomp.c/pr26943-2.c: Likewise. * testsuite/libgomp.c/pr26943-3.c: Likewise. * testsuite/libgomp.c/pr26943-4.c: Likewise. Co-Authored-By: Jakob Blomer <jakob.blomer@ira.uka.de> Co-Authored-By: Richard Henderson <rth@redhat.com> Co-Authored-By: Ulrich Drepper <drepper@redhat.com> From-SVN: r136433
2008-06-06 15:01:54 +02:00
ialias (omp_get_level)
ialias (omp_get_ancestor_thread_num)
ialias (omp_get_team_size)
ialias (omp_get_active_level)