gcc/ChangeLog.gomp

   1 2014-11-05  Thomas Schwinge  <thomas@codesourcery.com>
   2
   3         * invoke.texi: Update for OpenACC.
   4         * sourcebuild.texi: Likewise.
   5
   6         * tree.def (OACC_WAIT): Remove.  Update all users.
   7
   8         * omp-builtins.def (BUILT_IN_OMP_SET_NUM_THREADS): Remove.
   9
  10 2014-11-03  Cesar Philippidis  <cesar@codesourcery.com>
  11
  12         * builtins.def (DEF_GOACC_BUILTIN): Revert erroneous checkin.
  13
  14 2014-11-03  Cesar Philippidis  <cesar@codesourcery.com>
  15
  16         * oacc-builtins.def (BUILT_IN_GOACC_GET_NUM_THREADS): New built-in
  17         function.
  18         (BUILT_IN_ACC_GET_DEVICE_TYPE): Likewise.
  19         * omp-low.c (oacc_max_threads): New function.
  20         (lower_reduction_clauses): Use the GOACC thread builtin functions to
  21         determine the thread count. Handle multiple reduction variables.
  22         (expand_omp_for_static_nochunk): Likewise.
  23         (expand_omp_for_static_chunk): Likewise.
  24         (finalize_reduction_data): General cleanups.
  25         (process_reduction_data): Use acc_get_device_type to determine nthreads
  26         at runtime.
  27
  28 2014-11-03  Cesar Philippidis  <cesar@codesourcery.com>
  29
  30         * gimple.h (enum gf_mask): Add GF_OMP_TARGET_KIND_OACC_ENTER_EXIT_DATA.
  31         * gimple-pretty-print.c (dump_gimple_omp_target): Handle it.
  32         * gimplify.c (gimplify_scan_omp_clauses): Remove switch stmt which
  33         declared OMP_CLAUSE_MAP_FORCE_DEALLOC as unimplemented.
  34         (gimplify_omp_target_update): Handle OACC_ENTER_DATA and
  35         OACC_EXIT_DATA.
  36         (gimplify_expr): Shuffle around OACC_ENTER_DATA, OACC_EXIT_DATA and
  37         OACC_WAIT.
  38         * oacc-builtins.def (BUILD_INT_GOACC_ENTER_EXIT_DATA): New built-in
  39         function.
  40         * omp-low.c (expand_omp_target): Handle
  41         GF_OMP_TARGET_KIND_OACC_ENTER_EXIT_DATA. Don't use quick_push when
  42         there is an unknown number of wait args.
  43         (lower_omp_target): Handle GF_OMP_TARGET_KIND_OACC_ENTER_EXIT_DATA.
  44
  45 2014-10-24  James Norris  <jnorris@codesourcery.com>
  46
  47         * builtin-types.def (BT_FN_VOID_INT_INT_VAR,
  48         BT_FN_VOID_INT_OMPFN_PTR_SIZE_PTR_PTR_PTR_INT_INT_INT_INT_INT_VAR,
  49         BT_FN_VOID_INT_PTR_SIZE_PTR_PTR_PTR_INT_INT_VAR): Add.
  50         (BT_FN_VOID_INT_OMPFN_PTR_SIZE_PTR_PTR_PTR_INT_INT_INT): Remove.
  51         * c-family/c-common.c (enum c_builtin_type, c_define_builtins): Remove
  52         unused FUNCTION_TYPE_10. Add new FUNCTION_TYPE_VAR_8 and
  53         FUNCTION_TYPE_VAR_12.
  54         * c-family/c-pragma.c (oacc_pragmas): Add entry for wait directive.
  55         * c/c-parser.c (c_parser_omp_clause_name): Add handling of wait and
  56         async clauses.
  57         (c_parser_oacc_wait_list, c_parser_oacc_clause_async,
  58         c_parser_oacc_clause_wait): New.
  59         (c_parser_oacc_all_clauses): Handle async and wait clauses.
  60         (OACC_KERNELS_CLAUSE_MASK, OACC_PARALLEL_CLAUSE_MASK,
  61         OACC_UPDATE_CLAUSE_MASK): Add async and wait clauses.
  62         (OACC_WAIT_CLAUSE_MASK): New.
  63         (c_parser_oacc_wait): New.
  64         (c_parser_omp_construct): Handle wait directive.
  65         * c/c-typeck.c (c_finish_omp_clauses): Handle async and wait clauses.
  66         * fortran/f95-lang.c (gfc_init_builtin_functions): Remove unused
  67         FUNCTION_TYPE_10. Add new FUNCTION_TYPE_VAR_2, FUNCTION_TYPE_VAR_8,
  68         and FUNCTION_TYPE_VAR_12.
  69         * fortran/types.def (BT_FN_VOID_INT_INT_VAR,
  70         BT_FN_VOID_INT_OMPFN_PTR_SIZE_PTR_PTR_PTR_INT_INT_INT_INT_INT_VAR,
  71         BT_FN_VOID_INT_PTR_SIZE_PTR_PTR_PTR_INT_INT_VAR): Add.
  72         (BT_FN_VOID_INT_OMPFN_PTR_SIZE_PTR_PTR_PTR_INT_INT_INT): Remove.
  73         * lto/lto-lang.c (enum lto_builtin_type, lto_define_builtins): Remove
  74         unsigned FUNCTION_TYPE_10. Add new FUNCTION_TYPE_VAR_8 and
  75         FUNCTION_TYPE_VAR_12.
  76         * oacc-builtins.def (BUILT_IN_GOACC_KERNELS BUILT_IN_GOACC_PARALLEL,
  77         BUILT_IN_GOACC_UPDATE, BUILT_IN_GOACC_WAIT): Change type.
  78         * omp-low.c (scan_sharing_clauses): Handle async and wait clauses.
  79         (expand_oacc_offload): Lower kernel directive and async and wait
  80         clauses.
  81
  82 2014-10-23  Thomas Schwinge  <thomas@codesourcery.com>
  83
  84         * omp-low.c (finalize_reduction_data): Don't skip the reduction
  85         variable's original value.
  86
  87 2014-10-20  Cesar Philippidis  <cesar@codesourcery.com>
  88
  89         * gimplify.c (gimplify_scan_omp_clauses): Remove switch stmt which
  90         declared OMP_CLAUSE_MAP_FORCE_DEALLOC as unimplemented.
  91         (gimplify_expr): Remove OACC_WAIT, since it handled directly by the
  92         front ends.
  93
  94 2014-10-15  James Norris  <jnorris@codesourcery.com>
  95
  96         * builtin-types.def (BT_FN_VOID_INT_PTR_INT): New type.
  97         * oacc-builtins.def (BUILT_IN_GOACC_WAIT): New builtin.
  98
  99 2014-10-09  Thomas Schwinge  <thomas@codesourcery.com>
 100
 101         * omp-low.c (process_reduction_data): Initialize variable inner.
 102
 103 2014-10-08  Cesar Philippidis  <cesar@codesourcery.com>
 104
 105         * omp-low.c (lower_reduction_clauses): Clarify comment.
 106         (process_reduction_data): Scan for nonempty bind statements at
 107         the beginning of parallel blocks.
 108
 109 2014-09-23  Thomas Schwinge  <thomas@codesourcery.com>
 110
 111         * builtins.def (DEF_GOACC_BUILTIN_COMPILER): New macro.
 112         * oacc-builtins.def (BUILT_IN_GOACC_UPDATE): New builtin.
 113         * builtins.c (expand_builtin_acc_on_device): New function.
 114         (expand_builtin): Use it to handle BUILT_IN_ACC_ON_DEVICE.
 115         (is_inexpensive_builtin): Handle BUILT_IN_ACC_ON_DEVICE.
 116
 117 2014-09-08  Thomas Schwinge  <thomas@codesourcery.com>
 118
 119         * configure.ac (offload_targets): Remove.
 120         * configure: Regenerate.
 121
 122 2014-09-05  Bernd Schmidt  <bernds@codesourcery.com>
 123
 124         * configure.ac (enable-accelerator): Remove option.
 125         (enable_accelerator): Don't subst.
 126         * configure: Regenerate.
 127
 128 2014-09-03  Thomas Schwinge  <thomas@codesourcery.com>
 129
 130         * omp-low.c (expand_oacc_offload): Add child_fn to offload_funcs.
 131
 132 2014-08-19  Ilya Verbin  <ilya.verbin@intel.com>
 133
 134         * Makefile.in (GTFILES): Add omp-low.h.
 135         * cgraphunit.c: Include omp-low.h.
 136         (init_offload_var_table): New function.
 137         (ipa_passes): Run ipa_write_summaries for target only when
 138         offload_funcs or offload_vars is not empty.
 139         * gengtype.c (ifiles): Add omp-low.h.
 140         * lto/lto.c (read_cgraph_and_symbols): Call input_offload_tables.
 141         * lto-cgraph.c: Include omp-low.h.
 142         (output_offload_tables): New function.
 143         (input_offload_tables): Likewise.
 144         * lto-section-in.c (lto_section_name): Add offload_table.
 145         * lto-streamer-out.c (lto_output): Call output_offload_tables.
 146         * lto-streamer.h: Declare output_offload_tables
 147         and input_offload_tables.
 148         (lto_section_type): Add LTO_section_offload_table.
 149         * omp-low.c: Define offload_funcs and offload_vars.
 150         (expand_omp_target): Add child_fn to offload_funcs.
 151         (omp_finish_file): Remove obsolete code.
 152         * omp-low.h: Declare offload_funcs and offload_vars.
 153
 154 2014-08-04  Bernd Schmidt  <bernds@codesourcery.com>
 155
 156         * Makefile.in (tool_prefix): Remove.
 157         (unlibsubdir): Change depending on enable_as_accelerator.
 158         (GCC_TARGET_INSTALL_NAME): Revert previous change.
 159         (install_driver): Rework offloading changes.
 160         * configure.ac (tool_prefix): Remove.
 161         (enable-as-accelerator-for): Don't require --enable-as-accelerator.
 162         Update the program_transform_name.
 163         (offload_targets): Add 'g' modifier to sed script.
 164         * configure: Regenerate.
 165
 166 2014-07-28  Cesar Philippidis  <cesar@codesourcery.com>
 167
 168         * omp-low.c (get_base_type): New function.
 169         (scan_sharing_clauses): Replace TREE_TYPE with get_base_type.
 170         (lower_reduction_clauses): Use it.
 171         (initialize_reduction_data): Likewise.
 172         (finalize_reduction_data): Likewise. Remove new_var.
 173
 174 2014-07-28  Tom de Vries  <tom@codesourcery.com>
 175
 176         * omp-low.c (process_reduction_data): Remove unused variables.
 177
 178 2014-07-24  Thomas Schwinge  <thomas@codesourcery.com>
 179
 180         * omp-low.c (extract_omp_for_data): Force OpenACC loop to use a
 181         chunk size of one.
 182
 183         * omp-low.c (expand_omp_for_static_chunk): Merge changes
 184         previously applied to expand_omp_for_static_nochunk.
 185
 186 2014-07-14  Cesar Philippidis  <cesar@codesourcery.com>
 187
 188         * omp-low.c (extract_omp_for_data): Likewise.
 189         (expand_omp_for_static_nochunk): Likewise.
 190
 191 2014-07-14  Cesar Philippidis  <cesar@codesourcery.com>
 192
 193         * omp-low.c (process_reduction_data): Check for new
 194         binding level and skip for-loops which don't have a
 195         reduction clause.
 196
 197 2014-07-08  Cesar Philippidis  <cesar@codesourcery.com>
 198             Thomas Schwinge  <thomas@codesourcery.com>
 199
 200         * omp-low.c (omp_get_id): New function.
 201         (lookup_reduction): New function.
 202         (maybe_lookup_reduction): New function.
 203         (build_outer_var_ref): Remove openacc assert.
 204         (new_omp_context): Preserve ctx->reduction_map.
 205         (scan_sharing_clauses): Handle OMP_CLAUSE_REDUCTION.
 206         (scan_oacc_offload): Initialize ctx->reduction_map.
 207         (lower_reduction_clauses): Handle OpenACC reductions.
 208         (omp_gimple_assign_with_ops): New function.
 209         (initialize_reduction_data): New function.
 210         (finalize_reduction_data): New function.
 211         (process_reduction_data): New function.
 212         (lower_oacc_offload): Handle reductions.
 213         * gcc/omp-builtins.def (BUILT_IN_OMP_SET_NUM_THREADS): New.
 214
 215 2014-06-13  Thomas Schwinge  <thomas@codesourcery.com>
 216             Ilmir Usmanov  <i.usmanov@samsung.com>
 217
 218         * tree-pretty-print.c (dump_omp_clause): Instead of
 219         OMP_CLAUSE_DECL, use more specific accessors for some clauses.
 220
 221 2014-06-13  Thomas Schwinge  <thomas@codesourcery.com>
 222             Cesar Philippidis  <cesar@codesourcery.com>
 223
 224         * omp-low.c (extract_omp_for_data, scan_sharing_clauses): For
 225         OpenACC directives, the collapse(1) clause is supported.
 226
 227 2014-06-13  Cesar Philippidis  <cesar@codesourcery.com>
 228
 229         * omp-low.c (scan_sharing_clauses): Preliminary support for
 230         OMP_CLAUSE_PRIVATE for OpenACC.
 231
 232         * omp-low.c (scan_sharing_clauses): For clauses currently not
 233         supported with OpenACC directives, emit a sorry message instead of
 234         aborting.
 235
 236 2014-06-12  Thomas Schwinge  <thomas@codesourcery.com>
 237             James Norris  <jnorris@codesourcery.com>
 238
 239         * omp-low.c (scan_sharing_clauses): Allow OMP_CLAUSE_IF.
 240         (expand_oacc_offload, expand_omp_target): Handle it.
 241
 242 2014-06-06  Thomas Schwinge  <thomas@codesourcery.com>
 243             James Norris  <jnorris@codesourcery.com>
 244
 245         * gimple.h (enum gf_mask): Add GF_OMP_TARGET_KIND_OACC_UPDATE, and
 246         extend mask size, GF_OMP_TARGET_KIND_MASK.
 247         (is_gimple_omp_oacc_specifically): Handle
 248         GF_OMP_TARGET_KIND_OACC_UPDATE.
 249         * gimplify.c (gimplify_omp_target_update, gimplify_expr):
 250         Likewise.
 251         * gimple-pretty-print.c (dump_gimple_omp_target): Likewise.
 252         * omp-low.c (scan_omp_target, expand_omp_target)
 253         (build_omp_regions_1, lower_omp_target, lower_omp_1)
 254         (make_gimple_omp_edges): Likewise.
 255         * oacc-builtins.def (BUILT_IN_GOACC_UPDATE): New builtin.
 256
 257 2014-06-05  Thomas Schwinge  <thomas@codesourcery.com>
 258
 259         * gimplify.c (gimplify_scan_omp_clauses)
 260         (gimplify_adjust_omp_clauses): Handle
 261         OMP_CLAUSE_MAP_FORCE_DEVICEPTR.
 262         * omp-low.c (scan_sharing_clauses, lower_oacc_offload)
 263         (lower_omp_target): Likewise.
 264         * tree-core.h (enum omp_clause_map_kind)
 265         <OMP_CLAUSE_MAP_FORCE_DEVICEPTR>: Update comment.
 266
 267         * gimplify.c (gimplify_scan_omp_clauses) <case OMP_CLAUSE_MAP>:
 268         Don't block OMP_CLAUSE_MAP_FORCE_PRESENT.
 269
 270 2014-06-04  Thomas Schwinge  <thomas@codesourcery.com>
 271
 272         * cgraphunit.c (ipa_passes, compile): Handle flag_openacc next to
 273         flag_openmp.
 274         * ipa-inline-analysis.c (inline_generate_summary): Likewise.
 275         * lto-streamer.c (lto_streamer_init, gate_lto_out): Likewise.
 276         * passes.c (ipa_write_summaries): Likewise.
 277
 278 2014-05-12  Bernd Schmidt  <bernds@codesourcery.com>
 279
 280         * lto-wrapper.c (ompbegin): New static variable.
 281         (find_ompbeginend): Renamed from find_ompend.  Also look for
 282         crtompbegin.o.
 283         (run_gcc): Also use ompbegin.
 284
 285 2014-05-08  Thomas Schwinge  <thomas@codesourcery.com>
 286
 287         * omp-low.c (get_offload_symbol_decl): Mark __OPENMP_TARGET__ as
 288         addressable.
 289
 290 2014-04-04  Bernd Schmidt  <bernds@codesourcery.com>
 291
 292         * lto-wrapper.c (replace_special_characters): Remove functions and
 293         all calls to it.
 294
 295         * lto-section-names.h (OFFLOAD_VAR_TABLE_SECTION_NAME,
 296         OFFLOAD_FUNC_TABLE_SECTION_NAME): Define.
 297         * lto-wrapper.c (OFFLOAD_FUNC_TABLE_SECTION_NAME): Don't define.
 298         (ompend): New static variable.
 299         (copy_file, find_ompend): New static functions.
 300         (run_gcc): Call find_ompend if we have offload images.  Add its
 301         return value to the output.
 302         * omp-low.c: Include "lto-section-names.h".
 303         (omp_finish_file): Initialize section names from macros defined there.
 304
 305         * omp-low.c (offload_symbol_decl): New static variable.
 306         (get_offload_symbol_decl): New static function.
 307         (expand_oacc_offload, expand_omp_target): Use it.
 308
 309 2014-04-02  Thomas Schwinge  <thomas@codesourcery.com>
 310
 311         * omp-low.c (omp_finish_file): Use num_vars instead of num_funcs
 312         when recording offload symbols v_vars.
 313
 314         * omp-low.c (expand_oacc_offload): Handle __OPENMP_TARGET__
 315         symbol.
 316
 317 2014-03-20  Bernd Schmidt  <bernds@codesourcery.com>
 318
 319         Mostly by Michael Zolotukhin:
 320         * lto-wrapper.c (OFFLOAD_FUNC_TABLE_SECTION_NAME,
 321         OFFLOAD_TARGET_NAMES_ENV): New defines.
 322         (offload_names): New static variable.
 323         (free_array_of_ptrs, parse_env_var, access_check,
 324         prepare_target_image, replace_special_characters,
 325         compile_images_for_openmp_targets): New static functions.
 326         (run_gcc): Determine whether offload sections are present.  If so,
 327         run compile_images_for_openmp_targets and print the image names.
 328
 329         * Makefile.in (COLLECT2_OBJS): Add collect-utils.o.
 330         (LTO_WRAPPER_OBJS): New variable.
 331         (lto-wrapper$(exeext)): Use it.
 332         * collect2.c: Include "collect-utils.h".
 333         (vflag, debug): Remove variables.  Rename all uses of vflag to
 334         verbose.
 335         (at_file_supplied): No longer static.
 336         (tool_name): New variable.
 337         (do_wait, fork_execute, maybe_unlink): Don't declare.
 338         (tool_cleanup): Renamed from collect_atexit.  New arg from_signal.
 339         (collect_atexit): New static function.
 340         (notice): Remove function.
 341         (handler): Just call tool_cleanup.
 342         (maybe_run_lto_and_relink, main, do_dsymutil): Add new arg to
 343         fork_execute calls.
 344         (collect_wait, do_wait, collect_execute): Remove functions.
 345         (maybe_unlink): No longer static.
 346         * collect2.h (vflag, debug): Don't declare.
 347         (at_file_supplied): Declare.
 348         * collect-utils.c (utils_cleanup): New arg from_signal.  All callers
 349         changed.
 350         (collect_execute): Replace with implementation from collect2, plus a
 351         new arg use_atfile.  All callers changed.
 352         (collect_wait): Replace with implementation from collect2.
 353         (maybe_unlink_file): Remove function.
 354         (fork_execute): Replace with implementation from collect2, plus a
 355         new arg use_atfile.  All callers changed.
 356         (do_wait): Add call to utils_cleanup to the error path.
 357         * collect-utils.h (collect_execute, fork_execute, utils_cleanup,
 358         tool_cleanup): Adjust declarations.
 359         * lto-wrapper.c (tool_cleanup): Add unused bool argument.
 360         * tlink.c: Include "collect-utils.h".
 361         (tlink_execute): New arg use_atfile.  All callers changed.
 362         (tlink_init, tlink_execute): Remove declarations.
 363
 364         * Makefile.in (ALL_HOST_BACKEND_OBJS): Add collect-utils.o.
 365         (lto-wrapper$(exeext)): Link with collect-utils.o.
 366         * collect-utils.c: New file.
 367         * collect-utils.h: New file.
 368         * lto-wrapper.c: Include "collect-utils.h".
 369         (args_name): Delete variable.
 370         (tool_name): New variable.
 371         (tool_cleanup): New function.
 372         (maybe_unlink): Renamed from maybe_unlink_file.  All callers changed.
 373         (lto_wrapper_cleanup, fatal_signal, fatal, fatal_perror,
 374         collect_execute, collect_wait, fork_execute): Remove functions.
 375
 376         Mostly by Michael Zolotukhin:
 377         * omp-low.c: Include "common/common-target.h".
 378         (expand_omp_target): Pass in address of __OPENMP_TARGET__.
 379         (add_decls_addresses_to_decl_constructor, omp_finish_file): New
 380         functions.
 381         * omp-low.h (omp_finish_file): Declare.
 382         * toplev.c: Include "omp-low.h".
 383         (compile_file): Call omp_finish_file.
 384         * target.def (record_offload_symbol): New hook.
 385         * doc/tm.texi.in (TARGET_RECORD_OFFLOAD_SYMBOL): Add.
 386         * doc/tm.texi: Regenerate.
 387         * configure.ac (ENABLE_OFFLOADING): Define if we have offload_targets.
 388         * configure: Regenerate.
 389         * config.in: Regenerate.
 390
 391         * config/darwin.c: Include "lto-section-names.h".
 392         (LTO_SEGMENT_NAME): Don't define.
 393         * config/i386/winnt.c: Include "lto-section-names.h".
 394         * lto-streamer.c: Include "lto-section-names.h".
 395         * lto-streamer.h (LTO_SECTION_NAME_PREFIX, OMP_SECTION_NAME_PREFIX):
 396         Don't define.
 397         (section_name_prefix): Don't declare.
 398         * lto-wrapper.c: Include "lto-section-names.h".
 399         (LTO_SECTION_NAME_PREFIX): Don't define.
 400         * lto-section-names.h: New file.
 401         * cgraphunit.c: Include "lto-section-names.h".
 402
 403         * configure.ac (real_target_noncanonical, tool_prefix,
 404         accel_dir_suffix, offload_targets): Compute new variables.
 405         (--enable-as-accelerator-for, --enable-as-accelerator,
 406         --enable-offload-targets): New options.
 407         * configure: Regenerate.
 408         * config.in: Regenerate.
 409         * Makefile.in (real_target_noncanonical, tool_prefix,
 410         accel_dir_suffix, enable_as_accelerator): New variables substituted
 411         by configure.
 412         (libsubdir, libexecsubdir, GCC_TARGET_INSTALL_NAME): Tweak for the
 413         possibility of being configured as an offload compiler.
 414         (install_driver): Likewise.
 415         (DRIVER_DEFINES): Pass new defines DEFAULT_REAL_TARGET_MACHINE and
 416         ACCEL_DIR_SUFFIX.
 417         * gcc.c (spec_host_machine, accel_dir_suffix): New variables.
 418         (process_command): Tweak path construction for the possibility
 419         of being configured as an offload compiler.
 420         (main): Likewise. Look up specs in just_machine_suffix only if not
 421         ACCEL_COMPILER.  Construct OFFLOAD_TARGET_NAMES environment variable
 422         if we have OFFLOAD_TARGETS.
 423
 424 2014-03-20  Thomas Schwinge  <thomas@codesourcery.com>
 425
 426         * gimple.h (enum gf_mask): Add GF_OMP_FOR_KIND_OACC_LOOP.
 427         (is_gimple_omp_oacc_specifically): Handle it.
 428         * gimple-pretty-print.c (dump_gimple_omp_for): Likewise.
 429         * gimple.def (GIMPLE_OMP_FOR): Update for OpenACC loop.
 430         * gimple.c (gimple_build_omp_for): Don't explicitly mention some
 431         clauses.
 432         (gimple_copy) <GIMPLE_OMP_FOR>: Handle GF_OMP_FOR_KIND_OACC_LOOP.
 433         * omp-low.c (extract_omp_for_data, scan_sharing_clauses)
 434         (check_omp_nesting_restrictions, lower_rec_input_clauses)
 435         (lower_lastprivate_clauses, lower_reduction_clauses)
 436         (expand_omp_for_generic, expand_omp_for_static_nochunk)
 437         (expand_omp_for_static_chunk, maybe_add_implicit_barrier_cancel)
 438         (lower_omp_for): Likewise.
 439         * tree-inline.c (remap_gimple_stmt): Likewise.
 440         * tree-nested.c (walk_gimple_omp_for)
 441         (convert_nonlocal_reference_stmt, convert_local_reference_stmt)
 442         (convert_gimple_call): Likewise.
 443         * doc/gimple.texi (GIMPLE_OMP_FOR): Don't explicitly mention some
 444         clauses.
 445         * gimplify.c (gimplify_omp_for, gimplify_expr): Handle OACC_LOOP.
 446
 447         * tree.def (OACC_LOOP): Sort after OMP_DISTRIBUTE.
 448         * tree.h (OMP_LOOP_CHECK): Update accordingly.
 449         * gimplify.c (is_gimple_stmt): Sort OACC_LOOP after
 450         OMP_DISTRIBUTE.
 451         * tree-pretty-print.c (dump_generic_node): Likewise.
 452         * doc/generic.texi (OACC_LOOP): Sort after OACC_HOST_DATA.
 453         (OMP_FOR): Fix and extend for OACC_LOOP.
 454
 455         * gimple.h (enum gf_mask): Add and use GF_OMP_FOR_SIMD.
 456         * omp-low.c: Update accordingly.
 457
 458         * gimple.h (enum gf_mask): Rewrite "<< 0" shift expressions used
 459         for GF_OMP_FOR_KIND_MASK, GF_OMP_FOR_KIND_FOR,
 460         GF_OMP_FOR_KIND_DISTRIBUTE, GF_OMP_FOR_KIND_SIMD,
 461         GF_OMP_FOR_KIND_CILKSIMD, GF_OMP_TARGET_KIND_MASK,
 462         GF_OMP_TARGET_KIND_REGION, GF_OMP_TARGET_KIND_DATA,
 463         GF_OMP_TARGET_KIND_UPDATE, GF_OMP_TARGET_KIND_OACC_DATA.
 464
 465         * omp-low.c (check_omp_nesting_restrictions): Allow nesting of
 466         OpenACC constructs inside of OpenACC data constructs.
 467
 468 2014-03-18  Ilmir Usmanov  <i.usmanov@samsung.com>
 469
 470         * tree.def (OACC_LOOP): New tree code.
 471         * tree-pretty-print.c (dump_generic_node): Show it.
 472         * tree.h (OACC_KERNELS_COMBINED, OACC_PARALLEL_COMBINED): New macros.
 473         * doc/generic.texi: Document loop directive.
 474         * gimplify.c (is_gimple_stmt, gimplify_expr): Stub gimplification of
 475         loop directive and combined directives.
 476
 477 2014-03-18  Thomas Schwinge  <thomas@codesourcery.com>
 478
 479         * builtin-types.def
 480         (BT_FN_VOID_INT_OMPFN_PTR_SIZE_PTR_PTR_PTR_INT_INT_INT): New type.
 481         * oacc-builtins.def (BUILT_IN_GOACC_KERNELS)
 482         (BUILT_IN_GOACC_PARALLEL): Switch to that one.
 483         * gimplify.c (gimplify_scan_omp_clauses)
 484         (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_NUM_GANGS,
 485         OMP_CLAUSE_NUM_WORKERS, OMP_CLAUSE_VECTOR_LENGTH.
 486         * omp-low.c (scan_sharing_clauses, expand_oacc_offload): Likewise.
 487
 488 2014-03-13  Thomas Schwinge  <thomas@codesourcery.com>
 489
 490         * tree.h (OMP_CLAUSE_VECTOR_EXPR): Check for OMP_CLAUSE_VECTOR
 491         instead of OMP_CLAUSE_VECTOR_LENGTH.
 492         (OMP_WAIT_EXPR): Rename to OMP_CLAUSE_WAIT_EXPR.  Change
 493         all users.
 494
 495 2014-03-13  Thomas Schwinge  <thomas@codesourcery.com>
 496
 497         * omp-low.c (create_omp_child_function): Use
 498         is_gimple_omp_offloaded when looking for offloaded regions.
 499
 500 2014-03-12  Thomas Schwinge  <thomas@codesourcery.com>
 501
 502         * omp-low.c (scan_sharing_clauses): Move offloaded logic into...
 503         * gimple.h (is_gimple_omp_offloaded): ... this new static inline
 504         function.
 505
 506 2014-02-28  Thomas Schwinge  <thomas@codesourcery.com>
 507
 508         * gimple.def (GIMPLE_OACC_KERNELS): New code.
 509         * doc/gimple.texi: Document it.
 510         * gimple.h (gimple_has_substatements, CASE_GIMPLE_OMP)
 511         (is_gimple_omp_oacc_specifically): Handle it.
 512         (gimple_statement_oacc_kernels): New struct.
 513         (gimple_build_oacc_kernels): New prototype.
 514         (gimple_oacc_kernels_clauses, gimple_oacc_kernels_clauses_ptr)
 515         (gimple_oacc_kernels_set_clauses, gimple_oacc_kernels_child_fn)
 516         (gimple_oacc_kernels_child_fn_ptr)
 517         (gimple_oacc_kernels_set_child_fn, gimple_oacc_kernels_data_arg)
 518         (gimple_oacc_kernels_data_arg_ptr)
 519         (gimple_oacc_kernels_set_data_arg): New inline functions.
 520         * gimple.c (gimple_build_oacc_kernels): New function.
 521         (gimple_copy): Handle GIMPLE_OACC_KERNELS.
 522         * gimple-low.c (lower_stmt): Likewise.
 523         * gimple-walk.c (walk_gimple_op, walk_gimple_stmt): Likewise.
 524         * gimple-pretty-print.c (pp_gimple_stmt_1): Likewise.
 525         (dump_gimple_oacc_parallel): Rename to dump_gimple_oacc_offload.
 526         Also handle GIMPLE_OACC_KERNELS.  Update all callers.
 527         * gimplify.c (gimplify_omp_workshare, gimplify_expr): Handle
 528         OACC_KERNELS.
 529         * oacc-builtins.def (BUILT_IN_GOACC_KERNELS): New builtin.
 530         * omp-low.c (scan_oacc_parallel, expand_oacc_parallel)
 531         (lower_oacc_parallel): Rename to scan_oacc_offload,
 532         expand_oacc_offload, and lower_oacc_offload.  Also handle
 533         GIMPLE_OACC_KERNELS.  Update all callers.
 534         (scan_sharing_clauses, scan_omp_1_stmt, expand_omp, lower_omp_1)
 535         (diagnose_sb_0, diagnose_sb_1, diagnose_sb_2)
 536         (make_gimple_omp_edges): Handle GIMPLE_OACC_KERNELS.
 537         * tree-inline.c (remap_gimple_stmt, estimate_num_insns): Likewise.
 538         * tree-nested.c (convert_nonlocal_reference_stmt)
 539         (convert_local_reference_stmt, convert_tramp_reference_stmt)
 540         (convert_gimple_call): Likewise.
 541
 542 2014-02-27  Thomas Schwinge  <thomas@codesourcery.com>
 543
 544         * gimplify.c (gimplify_oacc_parallel): Merge into
 545         gimplify_omp_workshare.  Update all callers.
 546
 547 2014-02-27  Ilmir Usmanov  <i.usmanov@samsung.com>
 548
 549         Fix OpenACC ASYNC clause: it cannot contain integer-expression-list.
 550
 551         gcc/
 552         * tree.h (OMP_CLAUSE_ASYNC_EXPR): Reorder.
 553         * tree.c (omp_clause_num_ops, omp_clause_code_name): Reorder clauses.
 554         * tree-core.h (enum omp_clause_code): Likewise.
 555         * omp-low.c (scan_sharing_clauses): Likewise.
 556         * gimplify.c (gimplify_scan_omp_clauses): Likewise.
 557
 558 2014-02-21  Thomas Schwinge  <thomas@codesourcery.com>
 559
 560         * gimple.h (enum gf_mask): Add GF_OMP_TARGET_KIND_OACC_DATA.
 561         (is_gimple_omp_oacc_specifically): Handle it.
 562         * gimple-pretty-print.c (dump_gimple_omp_target): Likewise.
 563         * gimplify.c (gimplify_omp_workshare, gimplify_expr): Likewise.
 564         * omp-low.c (scan_sharing_clauses, scan_omp_target)
 565         (expand_omp_target, lower_omp_target, lower_omp_1): Likewise.
 566         * gimple.def (GIMPLE_OMP_TARGET): Update comment.
 567         * gimple.c (gimple_build_omp_target): Likewise.
 568         (gimple_copy): Catch unimplemented case.
 569         * tree-inline.c (remap_gimple_stmt): Likewise.
 570         * tree-nested.c (convert_nonlocal_reference_stmt)
 571         (convert_local_reference_stmt, convert_gimple_call): Likewise.
 572         * oacc-builtins.def (BUILT_IN_GOACC_DATA_START)
 573         (BUILT_IN_GOACC_DATA_END): New builtins.
 574
 575         * omp-low.c (scan_sharing_clauses): Catch unexpected occurrences
 576         of OMP_CLAUSE_TO, OMP_CLAUSE_FROM, OMP_CLAUSE_MAP.
 577
 578         * gimplify.c (enum omp_region_type): Make ORT_TARGET_OFFLOAD a
 579         flag for ORT_TARGET, in its negation replacing ORT_TARGET_DATA.
 580         Update all users.
 581
 582         * omp-low.c (gimple_code_is_oacc): Move to...
 583         * gimple.h (is_gimple_omp_oacc_specifically): ... here.  Update
 584         users, and also use it in more places where currently we've only
 585         been checking for GIMPLE_OACC_PARALLEL.
 586
 587 2014-02-18  Thomas Schwinge  <thomas@codesourcery.com>
 588
 589         * omp-low.c (diagnose_sb_0, diagnose_sb_1, diagnose_sb_2): Handle
 590         GIMPLE_OACC_PARALLEL.
 591         * gimplify.c (gimplify_case_label_expr): Update comment.
 592
 593         * omp-low.c (diagnose_sb_0): Generalize detection which kind of
 594         structured block we're in.
 595
 596 2014-02-17  Thomas Schwinge  <thomas@codesourcery.com>
 597
 598         * tree-core.h (omp_clause_code) <map>: Mention pcopy, pcopyin,
 599         pcopyout, pcreate OpenACC clauses.
 600
 601 2014-02-14  Ilmir Usmanov  <i.usmanov@samsung.com>
 602             Dmitry Bocharnikov  <dmitry.b@samsung.com>
 603             Evgeny Gavrin  <e.gavrin@samsung.com>
 604
 605         Add OpenACC 1.0 support to GENERIC, except loop directive and subarrays.
 606
 607         gcc/
 608         * gimplify.c (is_gimple_stmt, gimplify_scan_omp_clauses,
 609         implify_adjust_omp_clauses, gimplify_expr): Stub OpenACC directives
 610         and clauses.
 611         * omp-low.c (scan_sharing_clauses): Likewise.
 612         (gimple_code_is_oacc): New helper function.
 613         (scan_sharing_clauses): Use it.
 614         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_HOST,
 615         OMP_CLAUSE_OACC_DEVICE, OMP_CLAUSE_DEVICE_RESIDENT,
 616         OMP_CLAUSE_USE_DEVICE, OMP_CLAUSE_GANG, OMP_CLAUSE_WAIT,
 617         OMP_NO_CLAUSE_CACHE, OMP_CLAUSE_INDEPENDENT, OMP_CLAUSE_ASYNC,
 618         OMP_CLAUSE_WORKER, OMP_CLAUSE_VECTOR, OMP_CLAUSE_NUM_GANGS,
 619         OMP_CLAUSE_NUM_WORKERS and OMP_CLAUSE_VECTOR_LENGTH clauses.
 620         * tree-pretty-print.c (dump_omp_clause): Print OpenACC clause.
 621         (dump_generic_node): Print OpenACC directives and its clauses.
 622         * tree.c (omp_clause_num_ops, omp_clause_code_name,
 623         walk_tree_1): Add OpenACC clauses.
 624         * tree.def (OACC_KERNELS, OACC_DATA, OACC_HOST_DATA, OACC_DECLARE,
 625         OACC_UPDATE, OACC_ENTER_DATA, OACC_EXIT_DATA, OACC_WAIT,
 626         OACC_CACHE): New tree node.
 627         * tree.h (OACC_KERNELS_BODY, OACC_KERNELS_CLAUSES,
 628         OACC_CLAUSE_NUM_GANGS_EXPR, OMP_CLAUSE_NUM_WORKERS_EXPR,
 629         OMP_CLAUSE_VECTOR_LENGTH_EXPR, OMP_CLAUSE_VECTOR_EXPR,
 630         OMP_CLAUSE_WORKER_EXPR, OMP_CLAUSE_GANG_EXPR, OMP_CLAUSE_ASYNC_EXPR,
 631         OMP_WAIT_EXPR, OACC_DATA_BODY, OACC_DATA_CLAUSES, OACC_DECLARE_CLAUSES,
 632         OACC_UPDATE_CLAUSES, OACC_WAIT_CLAUSES, OACC_CACHE_CLAUSES,
 633         OACC_HOST_DATA_BODY, OACC_HOST_DATA_CLAUSES): New macros.
 634         gcc/doc/
 635         * generic.texi: Document OACC_KERNELS, OACC_DATA, OACC_HOST_DATA,
 636         OACC_DECLARE, OACC_UPDATE, OACC_ENTER_DATA, OACC_EXIT_DATA, OACC_WAIT,
 637         OACC_CACHE.
 638
 639 2014-02-07  Ilya Tocar  <ilya.tocar@intel.com>
 640
 641         * ipa-inline-analysis.c (inline_free_summary): Always remove
 642         hooks.
 643
 644 2014-01-28  Thomas Schwinge  <thomas@codesourcery.com>
 645
 646         * tree-core.h (omp_clause_code): Update description for
 647         OMP_CLAUSE_MAP.
 648
 649         * tree-core.h (omp_clause_map_kind): Add OMP_CLAUSE_MAP_FORCE,
 650         OMP_CLAUSE_MAP_FORCE_ALLOC, OMP_CLAUSE_MAP_FORCE_TO,
 651         OMP_CLAUSE_MAP_FORCE_FROM, OMP_CLAUSE_MAP_FORCE_TOFROM,
 652         OMP_CLAUSE_MAP_FORCE_PRESENT, OMP_CLAUSE_MAP_FORCE_DEALLOC, and
 653         OMP_CLAUSE_MAP_FORCE_DEVICEPTR.
 654         * tree-pretty-print.c (dump_omp_clause): Handle these.
 655         * gimplify.c (gimplify_omp_var_data): Add GOVD_MAP_FORCE.
 656         (omp_region_type): Add ORT_TARGET_MAP_FORCE.
 657         (omp_add_variable, omp_notice_threadprivate_variable)
 658         (omp_notice_variable, gimplify_scan_omp_clauses)
 659         (gimplify_adjust_omp_clauses_1): Extend accordingly.
 660         (gimplify_oacc_parallel): Add ORT_TARGET_MAP_FORCE to ORT_TARGET
 661         usage.
 662         * omp-low.c (install_var_field, scan_sharing_clauses)
 663         (lower_oacc_parallel, lower_omp_target): Extend accordingly.
 664
 665         * tree-core.h (omp_clause_map_kind): Make the identifiers' bit
 666         patterns more obvious.  Add comments.
 667         * omp-low.c (lower_oacc_parallel, lower_omp_target): Test for
 668         omp_clause_map_kind flags set instead of for values.
 669
 670         * gimplify.c (gimplify_call_expr, gimplify_modify_expr)
 671         (omp_firstprivatize_variable, omp_notice_threadprivate_variable)
 672         (omp_notice_variable, gimplify_adjust_omp_clauses)
 673         (gimplify_omp_workshare): Treat ORT_TARGET as a flag, not as a
 674         value.
 675
 676 2013-12-18  Thomas Schwinge  <thomas@codesourcery.com>
 677
 678         * omp-low.c (lower_oacc_parallel): Switch kinds array to unsigned
 679         short, and shift alignment description to begin at bit 8.
 680
 681 2013-12-04  Thomas Schwinge  <thomas@codesourcery.com>
 682
 683         * gimple.h (is_a_helper): Handle GIMPLE_OACC_PARALLEL.
 684
 685 2013-11-30  Balaji V. Iyer  <balaji.v.iyer@intel.com>
 686
 687         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
 688         Removed a carriage return from the warning string.
 689
 690 2013-11-21  Jakub Jelinek  <jakub@redhat.com>
 691
 692         * config/i386/i386.c (ix86_cilkplus_default_vecsize_mangle,
 693         ix86_cilkplus_vecsize_for_mangle): Remove.
 694         (ix86_simd_clone_compute_vecsize_and_simdlen,
 695         ix86_simd_clone_adjust, ix86_simd_clone_usable): New functions.
 696         (TARGET_CILKPLUS_DEFAULT_VECSIZE_MANGLE,
 697         TARGET_CILKPLUS_VECSIZE_FOR_MANGLE): Remove.
 698         (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN,
 699         TARGET_SIMD_CLONE_ADJUST, TARGET_SIMD_CLONE_USABLE): Define.
 700         * omp-low.c (class argno_map): Remove.
 701         (argno_map::argno_map): Remove.
 702         (simd_clone_vector_of_formal_parm_types): New function.
 703         (simd_clone_struct_alloc): Use struct cgraph_simd_clone
 704         instead of struct simd_clone and struct cgraph_simd_clone_arg
 705         instead of struct simd_clone_arg.
 706         (simd_clone_struct_copy): Likewise.
 707         (simd_clone_clauses_extract): Likewise.  Return struct
 708         cgraph_simd_clone *, don't change anything in node.
 709         Use simd_clone_vector_of_formal_parm_types instead of argno_map.
 710         Fail if ignoring linear step.
 711         (vecsize_mangle): Remove.
 712         (simd_clone_compute_base_data_type): Add clone_info argument.
 713         Use simd_clone_vector_of_formal_parm_types instead of argno_map.
 714         (simd_clone_compute_vecsize_and_simdlen): Remove.
 715         (simd_clone_mangle): Remove new_node argument, add clone_info
 716         argument, return the identifier rather than changing anything in
 717         node.  If mangled name doesn't already exist among simd clones,
 718         fail.
 719         (simd_clone_create): Handle !old_node->definition case, don't
 720         ICE if cgraph_function_versioning fails.
 721         (simd_clone_adjust_return_type): Handle simdlens larger than
 722         what can be returned or passed in hw register.  Handle
 723         !node->definition.
 724         (simd_clone_adjust_argument_types): Likewise.  Use
 725         ipa_get_vector_of_formal_parms or
 726         simd_clone_vector_of_formal_parm_types instead of argno_map.
 727         (simd_clone_init_simd_arrays): Handle simdlens larger than
 728         what can be passed in hw register.
 729         (ipa_simd_modify_function_body): Likewise.  Call walk_gimple_op
 730         also on GIMPLE_RETURN.
 731         (simd_clone_adjust): Call targetm.simd_clone.adjust.  Create
 732         PHI for the iter, rather than waiting for into ssa.  Handle
 733         aligned clause on uniform pointer arguments.  Handle linear
 734         arguments properly.
 735         (expand_simd_clones): Don't do anything if noclone attribute
 736         is present.  Ignore non-prototype C declarations.  Rewritten to
 737         only clone if it is possible and desirable to create the simd clone.
 738         Use new target simd_clone hooks to drive the process, allow
 739         creating more than two clones.  Handle !node->definition cloning.
 740         (ipa_omp_simd_clone): Use FOR_EACH_FUNCTION instead of
 741         FOR_EACH_DEFINED_FUNCTION.
 742         (pass_omp_simd_clone::gate): Return true also for flag_openmp_simd.
 743         * ipa-cp.c (determine_versionability): Use simd_clones field instead
 744         of has_simd_clones.  Also fail if node->simdclone is non-NULL.
 745         (initialize_node_lattices): Set disable = true for simd clones.
 746         * cgraph.c (get_simd_clone): Remove.
 747         * ipa.c (symtab_remove_unreachable_nodes): If node with simd clones
 748         is kept, keep also the simd clones.
 749         * ipa-prop.h (ipa_get_vector_of_formal_parm_types): New prototype.
 750         * ipa-prop.c (get_vector_of_formal_parm_types): Renamed to ...
 751         (ipa_get_vector_of_formal_parm_types): ... this.  No longer static.
 752         (ipa_modify_formal_parameters): Adjust caller.
 753         * target.def (TARGET_CILKPLUS_DEFAULT_VECSIZE_MANGLE,
 754         TARGET_CILKPLUS_VECSIZE_FOR_MANGLE): Remove.
 755         (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN,
 756         TARGET_SIMD_CLONE_ADJUST, TARGET_SIMD_CLONE_USABLE): New target
 757         hooks.
 758         * tree-vect-data-refs.c (vect_analyze_data_refs): Use simd_clones
 759         field instead of has_simd_clones.
 760         * target.h (struct cgraph_node, struct cgraph_simd_node): Declare.
 761         * doc/tm.texi.in (TARGET_CILKPLUS_DEFAULT_VECSIZE_MANGLE,
 762         TARGET_CILKPLUS_VECSIZE_FOR_MANGLE): Remove.
 763         (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN,
 764         TARGET_SIMD_CLONE_ADJUST, TARGET_SIMD_CLONE_USABLE): Add.
 765         * doc/tm.texi: Regenerated.
 766         * cgraph.h (enum simd_clone_arg_type): Rename to ...
 767         (enum cgraph_simd_clone_arg_type): ... this.  Add
 768         SIMD_CLONE_ARG_TYPE_MASK.
 769         (struct simd_clone_arg): Rename to ...
 770         (struct cgraph_simd_clone_arg): ... this.  Add orig_type and
 771         vector_type fields.  Adjust arg_type field's type.
 772         (struct simd_clone): Rename to ...
 773         (struct cgraph_simd_clone): ... this.  Remove hw_vector_size
 774         field.  Add vecsize_int, vecsize_float, prev_clone, next_clone
 775         and origin fields.  Adjust args field's type.
 776         (struct cgraph_node): Adjust simdclone field's type.  Remove
 777         simdclone_of and has_simd_clones fields.  Add simd_clones field.
 778         (get_simd_clone): Remove prototype.
 779         * tree-vect-stmts.c (vectorizable_simd_clone_call): Use simd_clones
 780         field instead of has_simd_clones, improve walking of simd clones,
 781         handle arguments and/or return types larger than corresponding
 782         ISA hw vector size, use targetm.simd_clone.usable hook.
 783
 784 2013-11-21  Ilya Tocar  <ilya.tocar@intel.com>
 785
 786         * cgraph.h (symtab_node): Add need_dump.
 787         * cgraphunit.c (ipa_passes): Run ipa_write_summaries for omp.
 788         (compile): Intialize streamer for omp.
 789         * ipa-inline-analysis.c (inline_generate_summary): Add flag_openmp.
 790         * lto-cgraph.c (lto_set_symtab_encoder_in_partition): Respect
 791         need_dump flag.
 792         (select_what_to_dump): New.
 793         * lto-streamer.c (section_name_prefix): New.
 794         (lto_get_section_name): Use section_name_prefix.
 795         (lto_streamer_init): Add flag_openmp.
 796         * lto-streamer.h (OMP_SECTION_NAME_PREFIX): New.
 797         (section_name_prefix): Ditto.
 798         (select_what_to_dump): Ditto.
 799         * lto/lto-partition.c (add_symbol_to_partition_1): Set need_dump.
 800         (lto_promote_cross_file_statics): Dump everyhtinh.
 801         * passes.c (ipa_write_summaries): Add parameter,
 802         call select_what_to_dump.
 803         * tree-pass.h (void ipa_write_summaries): Add parameter.
 804
 805 2013-11-15  Jakub Jelinek  <jakub@redhat.com>
 806
 807         * tree-vect-stmts.c (vectorizable_simd_clone_call): Avoid
 808         -Wsign-compare warning.
 809
 810 2013-11-12  Aldy Hernandez  <aldyh@redhat.com>
 811
 812         * ipa-prop.h (enum ipa_parm_op): Adjust comment to IPA_PARM_OP_NEW
 813         entry.
 814
 815 2013-11-12  Aldy Hernandez  <aldyh@redhat.com>
 816
 817         * ipa-prop.c (ipa_modify_expr): Pass expr by address.
 818         (ipa_get_adjustment_candidate): Add another level of indirection
 819         to expr.  Adjust comment.
 820         (ipa_get_adjustment_candidate): Add another level of indirection
 821         to first argument.
 822
 823 2013-11-11  Aldy Hernandez  <aldyh@redhat.com>
 824
 825         * ipa-prop.c (get_ssa_base_param): New.
 826         * ipa-prop.h (ipa_modify_expr): Rename from ipa_sra_modify_expr.
 827         Remove ipa_sra_modify_function_body.
 828         (ipa_get_adjustment_candidate): Rename from
 829         sra_ipa_get_adjustment_candidate.
 830         * omp-low.c (ipa_simd_modify_stmt_ops): Rename
 831         sra_ipa_get_adjustment_candidate to ipa_get_adjustment_candidate.
 832         * tree-sra.c (get_ssa_base_param): Remove default_def argument.
 833         (create_access): Remove lass argument to get_ssa_base_param.
 834         (disqualify_base_of_expr): Same.
 835         (sra_ipa_get_adjustment_candidate): Rename to
 836         ipa_get_adjustment_candidate and move to ipa-prop.c.
 837         (sra_ipa_modify_expr): Rename to ipa_modify_expr and move to
 838         ipa-prop.c.
 839         (sra_ipa_modify_assign): Rename sra_ipa_modify_expr to
 840         ipa_modify_expr.
 841         (ipa_sra_modify_function_body): Same.
 842
 843 2013-11-11  Jakub Jelinek  <jakub@redhat.com>
 844
 845         * tree-vect-data-refs.c (vect_analyze_data_refs): Check loop->safelen
 846         rather than loop->simdlen.
 847         * tree-vect-stmts.c (vectorizable_simd_clone_call): Likewise.
 848
 849 2013-11-08  Aldy Hernandez  <aldyh@redhat.com>
 850
 851         * ipa-prop.c (ipa_modify_formal_parameters): Remove
 852         synth_parm_prefix argument.
 853         Use operator enum instead of bit fields.
 854         Add assert for properly handling vector of references.
 855         (ipa_modify_call_arguments): Use operator enum instead of bit
 856         fields.
 857         (ipa_combine_adjustments): Same.
 858         Assert that IPA_PARM_OP_NEW is not used.
 859         (ipa_dump_param_adjustments): Rename reduction to new_decl.
 860         Use operator enum instead of bit fields.
 861         * ipa-prop.h (enum ipa_parm_op): New.
 862         (struct ipa_parm_adjustment): New field op.
 863         Rename reduction to new_decl.
 864         Rename new_arg_prefix to arg_prefix.
 865         Remove new_param, remove_param, copy_param.
 866         (ipa_modify_formal_parameters): Remove argument.
 867         * omp-low.c (simd_clone_adjust_argument_types): Set arg_prefix.
 868         Use operator enum instead of bit fields.
 869         (simd_clone_adjust_argument_types): Use operator enum instead of
 870         bit fields.
 871         Remove last argument to ipa_modify_formal_parameters call.
 872         (simd_clone_init_simd_arrays): Use operator enum.
 873         (ipa_simd_modify_stmt_ops): Rename reduction to new_decl.
 874         (ipa_simd_modify_function_body): Same.
 875         * tree-sra.c (turn_representatives_into_adjustments): Use operator
 876         enum.  Set arg_prefix.
 877         (get_adjustment_for_base): Use operator enum.
 878         (sra_ipa_get_adjustment_candidate): Same.
 879         (sra_ipa_modify_expr): Rename reduction to new_decl.
 880         (sra_ipa_reset_debug_stmts): Use operator enum.
 881         (modify_function): Do not pass prefix argument.
 882
 883 2013-11-07  Jakub Jelinek  <jakub@redhat.com>
 884
 885         * tree-vectorizer.h (enum stmt_vec_info_type): Add
 886         call_simd_clone_vec_info_type.
 887         * expr.c (store_constructor): Allow CONSTRUCTOR with VECTOR_TYPE
 888         (same sized) elements even if the type of the CONSTRUCTOR has
 889         vector mode and target is a REG.
 890         * tree-vect-data-refs.c: Include cgraph.h.
 891         (vect_analyze_data_refs): Inline by hand find_data_references_in_loop
 892         and find_data_references_in_bb, if find_data_references_in_stmt
 893         fails, still allow calls to #pragma omp declare simd functions
 894         in #pragma omp simd loops unless they contain data references among
 895         the call arguments or in lhs.
 896         * tree-vect-loop.c (vect_determine_vectorization_factor): If a call
 897         doesn't have lhs, set STMT_VINFO_VECTYPE to vector type corresponding
 898         to any of the argument types and exclude it from adjustments of the
 899         vectorization factor.
 900         * tree-vect-stmts.c: Include tree-ssa-loop.h and
 901         tree-scalar-evolution.h.
 902         (vectorizable_function): Don't handle functions with simd clones here.
 903         (vectorizable_call): Nor here.  Return early if call doesn't have lhs.
 904         (struct simd_call_arg_info): New type.
 905         (vectorizable_simd_clone_call): New function.
 906         (vect_analyze_stmt, vect_transform_stmt): Call it.
 907
 908 2013-11-07  Thomas Schwinge  <thomas@codesourcery.com>
 909
 910         * gimple.def (GIMPLE_OACC_PARALLEL): New code.
 911         * doc/gimple.texi: Document it.
 912         * gimple.h (gimple_build_oacc_parallel): New declaration.
 913         (gimple_oacc_parallel_clauses, gimple_oacc_parallel_clauses_ptr)
 914         (gimple_oacc_parallel_set_clauses, gimple_oacc_parallel_child_fn)
 915         (gimple_oacc_parallel_child_fn_ptr)
 916         (gimple_oacc_parallel_set_child_fn, gimple_oacc_parallel_data_arg)
 917         (gimple_oacc_parallel_data_arg_ptr)
 918         (gimple_oacc_parallel_set_data_arg): New inline functions.
 919         (CASE_GIMPLE_OMP): Add GIMPLE_OACC_PARALLEL.
 920         * gimple.c (gimple_build_oacc_parallel): New function.
 921         (walk_gimple_op, walk_gimple_stmt, gimple_copy): Handle
 922         GIMPLE_OACC_PARALLEL.
 923         * gimplify.c (is_gimple_stmt): Handle GIMPLE_OACC_PARALLEL.
 924         (gimplify_oacc_parallel): New function.
 925         (gimplify_expr): Handle OACC_PARALLEL.
 926         * cgraphbuild.c (build_cgraph_edges): Handle GIMPLE_OACC_PARALLEL.
 927         * gimple-low.c (lower_stmt): Likewise.
 928         * gimple-pretty-print.c (pp_gimple_stmt_1): Likewise.
 929         (dump_gimple_oacc_parallel): New function.
 930         * oacc-builtins.def (BUILT_IN_GOACC_PARALLEL): New macro.
 931         * omp-low.c (scan_oacc_parallel, expand_oacc_parallel)
 932         (lower_oacc_parallel): New functions.
 933         (use_pointer_for_field, build_outer_var_ref, scan_sharing_clauses)
 934         (create_omp_child_function, check_omp_nesting_restrictions)
 935         (scan_omp_1_stmt, lower_rec_simd_input_clauses)
 936         (lower_lastprivate_clauses, lower_reduction_clauses)
 937         (lower_copyprivate_clauses, lower_send_clauses)
 938         (lower_send_shared_vars, expand_omp)
 939         (maybe_add_implicit_barrier_cancel, create_task_copyfn)
 940         (lower_omp_1, make_gimple_omp_edges): Handle GIMPLE_OACC_PARALLEL,
 941         or catch it.
 942         * tree-inline.c (remap_gimple_stmt): Likewise.
 943         * tree-nested.c (convert_nonlocal_reference_stmt)
 944         (convert_local_reference_stmt, convert_tramp_reference_stmt)
 945         (convert_gimple_call): Likewise.
 946
 947         * tree.def (OACC_PARALLEL): New code.
 948         * doc/generic.texi (OpenMP): Document it.
 949         * tree.h (OMP_BODY, OMP_CLAUSES): Include it.
 950         (OACC_PARALLEL_BODY, OACC_PARALLEL_CLAUSES): New macros.
 951         * tree-pretty-print.c (dump_generic_node): Handle OACC_PARALLEL.
 952
 953         * doc/invoke.texi (-fopenacc): Update.
 954
 955         * gimplify.c (gimplify_body): Consider flag_openacc additionally
 956         to flag_openmp.
 957         * omp-low.c (execute_expand_omp, execute_lower_omp)
 958         (gate_diagnose_omp_blocks): Likewise.
 959
 960         * oacc-builtins.def: New file.
 961         * Makefile.in (BUILTINS_DEF): Add oacc-builtins.def.
 962         * builtins.def (DEF_GOACC_BUILTIN): New macro.
 963         Include "oacc-builtins.def".
 964
 965         * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): For -fopenacc, link
 966         to libgomp and its dependencies.
 967         * config/arc/arc.h (LINK_COMMAND_SPEC): Likewise.
 968         * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
 969         * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
 970         * config/ia64/hpux.h (LIB_SPEC): Likewise.
 971         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
 972         * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
 973         * doc/invoke.texi (-fopenacc): Update.
 974
 975         * doc/invoke.texi (-fopenacc): Document it.
 976         * doc/sourcebuild.texi (fopenacc): Document it.
 977
 978         Backport from trunk, r204517:
 979
 980         * config/arc/arc.h (LINK_COMMAND_SPEC): For
 981         -ftree-parallelize-loops=*, link to libgomp and its dependencies.
 982         * config/ia64/hpux.h (LIB_SPEC): Likewise.
 983         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
 984         * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
 985         * gcc.c (GOMP_SELF_SPECS): Update comment about libgomp's
 986         dependencies.
 987
 988 2013-11-07  Aldy Hernandez  <aldyh@redhat.com>
 989
 990         * omp-low.c (ipa_simd_modify_function_body): Avoid
 991         regimplification of GIMPLE_RETURNs.
 992
 993 2013-11-06  Aldy Hernandez  <aldyh@redhat.com>
 994
 995         * ipa-prop.h (sra_ipa_get_adjustment_candidate): Protoize.
 996         * omp-low.c (struct modify_stmt_info): New.
 997         (ipa_simd_modify_function_body_ops_1): Remove.
 998         (ipa_simd_modify_stmt_ops): New.
 999         (ipa_simd_modify_function_body_ops): Remove.
1000         (ipa_simd_modify_function_body): Set new callback info.
1001         Remove special casing.  Handle all operators with walk_gimple_op.
1002         * tree-sra.c (get_ssa_base_param): Add new argument.  Use it.
1003         (disqualify_base_of_expr): Pass new argument to
1004         get_ssa_base_param.
1005         (sra_ipa_modify_expr): Abstract candidate search into...
1006         (sra_ipa_get_adjustment_candidate): ...here.
1007
1008 2013-11-06  Aldy Hernandez  <aldyh@redhat.com>
1009
1010         * omp-low.c (simd_clone_mangle): Linear step of 1 is mangled as
1011         'l'.
1012
1013 2013-11-04  Aldy Hernandez  <aldyh@redhat.com>
1014
1015         * omp-low.c (ipa_simd_modify_function_body): Adjust tree operands
1016         on the LHS of an assign.
1017         (ipa_simd_modify_function_body_ops_1): New.
1018         (ipa_simd_modify_function_body_ops): New.
1019
1020 2013-11-02  Aldy Hernandez  <aldyh@redhat.com>
1021
1022         * omp-low.c (ipa_simd_modify_function_body): Handle empty returns.
1023
1024 2013-11-01  Jakub Jelinek  <jakub@redhat.com>
1025
1026         * cgraph.h (enum linear_stride_type): Remove.
1027         (enum simd_clone_arg_type): New.
1028         (struct simd_clone_arg): Remove linear_stride, linear_stride_num
1029         and uniform fields.  Add arg_type and linear_step.
1030         * omp-low.c (simd_clone_struct_copy): Formatting.
1031         (simd_clone_struct_alloc): Likewise.  Use size_t.
1032         (simd_clone_clauses_extract, simd_clone_compute_base_data_type,
1033         simd_clone_adjust_argument_types): Adjust for struct simd_clone_arg
1034         changes.
1035         (simd_clone_mangle): Likewise.  Handle negative linear step.
1036
1037 2013-11-01  Aldy Hernandez  <aldyh@redhat.com>
1038
1039         * tree-vect-stmts.c: Include cgraph.h.
1040         (vectorizable_call): Allow > 3 arguments when a SIMD clone may be
1041         available.
1042         (vectorizable_function): Use SIMD clone if available.
1043         * ipa-cp.c (determine_versionability): Nodes with SIMD clones are
1044         not versionable.
1045         * ggc.h (ggc_alloc_cleared_simd_clone_stat): New.
1046         * cgraph.h (enum linear_stride_type): New.
1047         (struct simd_clone_arg): New.
1048         (struct simd_clone): New.
1049         (struct cgraph_node): Add simdclone and simdclone_of fields.
1050         (get_simd_clone): Protoize.
1051         * cgraph.c (get_simd_clone): New.
1052         Add `has_simd_clones' field.
1053         * ipa-cp.c (determine_versionability): Disallow functions with
1054         simd clones.
1055         * ipa-prop.h (ipa_sra_modify_function_body): Protoize.
1056         (sra_ipa_modify_expr): Same.
1057         (struct ipa_parm_adjustment): Add new_arg_prefix and new_param
1058         fields.  Document their use.
1059         * ipa-prop.c (ipa_modify_formal_parameters): Handle creating brand
1060         new parameters and minor cleanups.
1061         * omp-low.c: Add new pass_omp_simd_clone support code.
1062         (make_pass_omp_simd_clone): New.
1063         (pass_data_omp_simd_clone): Declare.
1064         (class pass_omp_simd_clone): Declare.
1065         (vecsize_mangle): New.
1066         (ipa_omp_simd_clone): New.
1067         (simd_clone_clauses_extract): New.
1068         (simd_clone_compute_base_data_type): New.
1069         (simd_clone_compute_vecsize_and_simdlen): New.
1070         (simd_clone_create): New.
1071         (simd_clone_adjust_return_type): New.
1072         (simd_clone_adjust_return_types): New.
1073         (simd_clone_adjust): New.
1074         (simd_clone_init_simd_arrays): New.
1075         (ipa_simd_modify_function_body): New.
1076         (simd_clone_mangle): New.
1077         (simd_clone_struct_alloc): New.
1078         (simd_clone_struct_copy): New.
1079         (class argno_map): New.
1080         (argno_map::argno_map(tree)): New.
1081         (argno_map::~argno_map): New.
1082         (argno_map::operator []): New.
1083         (argno_map::length): New.
1084         (expand_simd_clones): New.
1085         (create_tmp_simd_array): New.
1086         * tree.h (OMP_CLAUSE_LINEAR_VARIABLE_STRIDE): New.
1087         * tree-core.h (OMP_CLAUSE_LINEAR_VARIABLE_STRIDE): Document.
1088         * tree-pass.h (make_pass_omp_simd_clone): New.
1089         * passes.def (pass_omp_simd_clone): New.
1090         * target.def: Define new hook prefix "TARGET_CILKPLUS_".
1091         (default_vecsize_mangle): New.
1092         (vecsize_for_mangle): New.
1093         * doc/tm.texi.in: Add placeholder for
1094         TARGET_CILKPLUS_DEFAULT_VECSIZE_MANGLE and
1095         TARGET_CILKPLUS_VECSIZE_FOR_MANGLE.
1096         * tree-sra.c (sra_ipa_modify_expr): Remove static modifier.
1097         (ipa_sra_modify_function_body): Same.
1098         * tree.h (OMP_CLAUSE_LINEAR_VARIABLE_STRIDE): Define.
1099         * doc/tm.texi: Regenerate.
1100         * config/i386/i386.c (ix86_cilkplus_default_vecsize_mangle): New.
1101         (ix86_cilkplus_vecsize_for_mangle): New.
1102         (TARGET_CILKPLUS_DEFAULT_VECSIZE_MANGLE): New.
1103         (TARGET_CILKPLUS_VECSIZE_FOR_MANGLE): New.
1104
1105 2013-10-10  Jakub Jelinek  <jakub@redhat.com>
1106
1107         * tree.c (omp_remove_redundant_declare_simd_attrs): Adjust
1108         for the clauses being stored into TREE_VALUE of an extra TREE_LIST
1109         pointed out by TREE_VALUE of the attribute.
1110
1111 2013-10-04  Jakub Jelinek  <jakub@redhat.com>
1112
1113         * omp-low.c (expand_omp_target): When handling IF clause on
1114         #pragma omp target, split new_bb rather than entry_bb.  If
1115         not GF_OMP_TARGET_KIND_REGION, split new_bb right before
1116         the GOMP_TARGET stmt, rather than after labels.
1117
1118 2013-09-26  Jakub Jelinek  <jakub@redhat.com>
1119
1120         * omp-low.c (expand_task_call): If there are depend clauses,
1121         pass bit 8 in 7th argument and pass pointer to depend array
1122         as 8th argument.
1123         (lower_depend_clauses): New function.
1124         (lower_omp_taskreg): Handle depend clauses.
1125         * omp-builtins.def (BUILT_IN_GOMP_TASK): Use
1126         BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR
1127         instead of BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT.
1128         * builtin-types.def
1129         (BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): Remove.
1130         (BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR): New.
1131
1132 2013-09-25  Jakub Jelinek  <jakub@redhat.com>
1133
1134         * omp-low.c (lower_omp_sections, lower_omp_for, lower_omp_taskreg):
1135         Emit ctx->cancel_label before destructors.
1136
1137         * gimple-pretty-print.c (dump_gimple_omp_block,
1138         pp_gimple_stmt_1): Handle GIMPLE_OMP_TASKGROUP.
1139         * tree-nested.c (convert_nonlocal_reference_stmt,
1140         convert_local_reference_stmt, convert_gimple_call): Likewise.
1141         * tree-cfg.c (make_edges): Likewise.
1142         * gimple.h (gimple_build_omp_taskgroup): New prototype.
1143         (gimple_has_substatement): Handle GIMPLE_OMP_TASKGROUP.
1144         (CASE_GIMPLE_OMP): Likewise.
1145         * gimplify.c (is_gimple_stmt, gimplify_expr): Handle OMP_TASKGROUP.
1146         * omp-low.c (check_omp_nesting_restrictions): Warn if #pragma omp
1147         cancel is used in nowait loop or sections construct.
1148         (scan_omp_1_stmt, expand_omp_synch, expand_omp, lower_omp_1): Handle
1149         GIMPLE_OMP_TASKGROUP.
1150         (diagnose_sb_1, diagnose_sb_2): Likewise.  Handle GIMPLE_OMP_TARGET
1151         and GIMPLE_OMP_TEAMS.
1152         (lower_omp_taskgroup): New function.
1153         * tree-inline.c (remap_gimple_stmt, estimate_num_insns): Handle
1154         GIMPLE_OMP_TASKGROUP.
1155         * gimple-low.c (lower_stmt): Likewise.
1156         * tree.h (OMP_TASKGROUP_BODY): Define.
1157         * tree.def (OMP_TASKGROUP): New tree.
1158         * tree-pretty-print.c (dump_generic_node): Handle OMP_TASKGROUP.
1159         * gimple.c (gimple_build_omp_taskgroup): New function.
1160         (walk_gimple_stmt, gimple_copy): Handle GIMPLE_OMP_TASKGROUP.
1161         * gimple.def (GIMPLE_OMP_TASKGROUP): New GIMPLE code.
1162
1163 2013-09-19  Jakub Jelinek  <jakub@redhat.com>
1164
1165         * omp-builtins.def (BUILT_IN_GOMP_TARGET_DATA,
1166         BUILT_IN_GOMP_TARGET_UPDATE): Use BT_FN_VOID_INT_PTR_SIZE_PTR_PTR_PTR
1167         rather than BT_FN_VOID_INT_SIZE_PTR_PTR_PTR.
1168         * builtin-types.def (BT_FN_VOID_INT_SIZE_PTR_PTR_PTR): Remove.
1169         (BT_FN_VOID_INT_PTR_SIZE_PTR_PTR_PTR): New.
1170         * omp-low.c (expand_omp_target): Remove fnname argument from
1171         GOMP_target, add openmp_target argument to GOMP_target,
1172         GOMP_target_data and GOMP_target_update calls.
1173
1174 2013-09-18  Jakub Jelinek  <jakub@redhat.com>
1175
1176         * tree.h (OMP_CLAUSE_REDUCTION_OMP_ORIG_REF): Define.
1177         * tree-core.h (OMP_CLAUSE_REDUCTION_OMP_ORIG_REF): Document.
1178         * omp-low.c (lower_rec_simd_input_clauses): Don't set DECL_VALUE_EXPR
1179         on new_var if it is not a DECL_P.
1180         (lower_rec_input_clauses): Don't force max_vf = 1
1181         if OMP_CLAUSE_REDUCTION_PLACEHOLDER.  Add barrier also if any
1182         OMP_CLAUSE_REDUCTION_OMP_ORIG_REF is seen.  For OMP_CLAUSE_PRIVATE
1183         in simd, fix last argument to omp_clause_default_ctor langhook.
1184         Handle OMP_CLAUSE_REDUCTION_PLACEHOLDER in simd loops, if
1185         OMP_CLAUSE_REDUCTION_GIMPLE_INIT is NULL, emit omp_clause_default_ctor
1186         if any and emit omp_clause_dtor if any.  Handle C++ references in
1187         OMP_CLAUSE_REDUCTION clauses.
1188         (lower_reduction_clauses): Adjust comment for UDRs.  Handle
1189         C++ references in OMP_CLAUSE_REDUCTION clauses.
1190         (lower_omp_taskreg): Emit reduction merges before destructors.
1191         * tree-pretty-print.c (dump_omp_clause): Don't emit any reduction
1192         operator name if OMP_CLAUSE_REDUCTION_CODE is ERROR_MARK.
1193         * gimplify.c (omp_add_variable): Ignore GOVD_LOCAL decls for which
1194         privatize_by_reference returns true.
1195
1196         * tree-core.h (OMP_CLAUSE_DEPEND_KIND, OMP_CLAUSE_MAP_KIND,
1197         OMP_CLAUSE_MAP_ZERO_BIAS_ARRAY_SECTION, OMP_CLAUSE_PROC_BIND_KIND):
1198         Move definitions...
1199         * tree.h (OMP_CLAUSE_DEPEND_KIND, OMP_CLAUSE_MAP_KIND,
1200         OMP_CLAUSE_MAP_ZERO_BIAS_ARRAY_SECTION, OMP_CLAUSE_PROC_BIND_KIND):
1201         ... here.
1202
1203 2013-09-16  Jakub Jelinek  <jakub@redhat.com>
1204
1205         * omp-low.c (install_var_field): Use (mask & 4) to request double
1206         indirection.
1207         (scan_sharing_clauses): For OMP_CLAUSE_MAP_POINTER arrays pass
1208         7 instead of 3 to install_var_field.
1209         (lower_omp_target): For OMP_CLAUSE_MAP_POINTER arrays add extra
1210         indirection.
1211
1212 2013-09-06  Jakub Jelinek  <jakub@redhat.com>
1213
1214         * omp-low.c (scan_sharing_clauses): Handle VLAs in
1215         OMP_CLAUSE_{MAP,TO,FROM}.  Set DECL_ALIGN (field) before
1216         calling insert_field_into_struct.
1217         (scan_omp_target): Reverse TYPE_FIELDS, verify that
1218         all field alignments are the same.
1219         (lower_omp_target): Use maybe_lookup_field instead of
1220         lookup_sfield to check if field is present.  Handle VLAs.
1221         * tree-pretty-print.c (dump_omp_clause): Only check
1222         OMP_CLAUSE_MAP_KIND on OMP_CLAUSE_MAP clauses.
1223         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_MAP_TO_ONLY.
1224         (omp_firstprivatize_variable, omp_add_variable,
1225         gimplify_adjust_omp_clauses_1, gimplify_adjust_omp_clauses): Handle
1226         VLAs in OMP_CLAUSE_{MAP,TO,FROM}.
1227
1228 2013-09-05  Jakub Jelinek  <jakub@redhat.com>
1229
1230         * gimplify.c (gimplify_call_expr): Don't call fold_stmt
1231         inside of #pragma omp target construct.
1232         (gimplify_modify_expr): Likewise.
1233         * omp-low.c (target_nesting_level): New variable.
1234         (lower_omp_target): Increase/restore target_nesting_level
1235         around lowering #pragma omp target body.  Use TYPE_SIZE_UNIT
1236         instead of TYPE_SIZE if OMP_CLAUSE_SIZE is missing.
1237         Or log2 of needed alignment into high 5 bits of kind.
1238         (lower_omp): Call fold_stmt on all stmts inside of
1239         #pragma omp target construct.
1240
1241         * tree-cfg.c (make_edges): For GIMPLE_OMP_TARGET
1242         with GF_OMP_TARGET_KIND_UPDATE, don't look for
1243         GIMPLE_OMP_RETURN and immediately restore previous
1244         region.
1245         * langhooks.c (lhd_omp_mappable_type): New function.
1246         * omp-low.c (scan_sharing_clauses): Ignore OMP_CLAUSE_SHARED
1247         in GIMPLE_OMP_TEAMS constructs.  Handle OMP_CLAUSE_NUM_TEAMS,
1248         OMP_CLAUSE_THREAD_LIMIT, OMP_CLAUSE_DEVICE, OMP_CLAUSE_MAP,
1249         OMP_CLAUSE_TO and OMP_CLAUSE_FROM.
1250         (create_omp_child_function): If current function has
1251         "omp declare target" attribute or if current region
1252         is OMP_TARGET or lexically nested in it, add that
1253         attribute to the omp child function.
1254         (scan_omp_target, scan_omp_teams): New functions.
1255         (check_omp_nesting_restrictions): Fix a typo in TEAMS nesting
1256         check.
1257         (scan_omp_1_stmt): Handle GIMPLE_OMP_TARGET and GIMPLE_OMP_TEAMS.
1258         (lower_rec_input_clauses): Ignore OMP_CLAUSE_SHARED
1259         in GIMPLE_OMP_TEAMS constructs.
1260         (expand_omp_synch): Handle GIMPLE_OMP_TEAMS.
1261         (expand_omp_target): New function.
1262         (expand_omp): Handle GIMPLE_OMP_TARGET and GIMPLE_OMP_TEAMS.
1263         (build_omp_regions_1): For GIMPLE_OMP_TARGET with
1264         GF_OMP_TARGET_KIND_UPDATE, don't look for GIMPLE_OMP_RETURN and
1265         immediately restore previous region.
1266         (lower_omp_single): Emit a CLOBBER stmt after GIMPLE_OMP_RETURN.
1267         (lower_omp_taskreg): Likewise.
1268         (lower_omp_target, lower_omp_teams): New functions.
1269         (lower_omp_1): Handle GIMPLE_OMP_TARGET and GIMPLE_OMP_TEAMS.
1270         * tree.h (enum omp_clause_map_kind): Improve description of
1271         OMP_CLAUSE_MAP_POINTER.
1272         (OMP_CLAUSE_MAP_ZERO_BIAS_ARRAY_SECTION): Define.
1273         * gimple.def (GIMPLE_OMP_TARGET): Use GSS_OMP_PARALLEL instead
1274         of GSS_OMP_SINGLE.
1275         * langhooks.h (struct lang_hooks_for_types): Add
1276         omp_mappable_type hook.
1277         * langhooks-def.h (lhd_omp_mappable_type): New prototype.
1278         (LANG_HOOKS_OMP_MAPPABLE_TYPE): Define.
1279         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
1280         * gimple.h (gimple_omp_target_clauses, gimple_omp_target_clauses_ptr,
1281         gimple_omp_target_set_clauses): Use gimple_omp_parallel
1282         instead of gimple_omp_single.
1283         (gimple_omp_target_child_fn, gimple_omp_target_child_fn_ptr,
1284         gimple_omp_target_set_child_fn, gimple_omp_target_data_arg,
1285         gimple_omp_target_data_arg_ptr, gimple_omp_target_set_data_arg): New
1286         inlines.
1287         * omp-builtins.def (BUILT_IN_GOMP_TARGET, BUILT_IN_GOMP_TARGET_DATA,
1288         BUILT_IN_GOMP_TARGET_END_DATA, BUILT_IN_GOMP_TARGET_UPDATE,
1289         BUILT_IN_GOMP_TEAMS): New builtins.
1290         * gimple-pretty-print.c (dump_gimple_omp_target): Print child_fn
1291         for #pragma omp target.
1292         * gimplify.c (omp_notice_variable): Diagnose if implicitly mapped
1293         decl doesn't have mappable type.
1294         (gimplify_scan_omp_clauses): For OMP_CLAUSE_MAP don't clear
1295         notice_outer.
1296         (gimplify_adjust_omp_clauses_1): Add OMP_CLAUSE_MAP even if the same
1297         decl is already referenced in target data construct surrounding it.
1298         (gimplify_adjust_omp_clauses): Likewise.  Handle
1299         OMP_CLAUSE_THREAD_LIMIT.
1300         (gimplify_omp_workshare): Fix up gimplification of target or target
1301         data construct body.  For target data add GOMP_target_end_data
1302         call in a try/finally cleanup.
1303         * builtin-types.def (BT_FN_VOID_UINT_UINT,
1304         BT_FN_VOID_INT_SIZE_PTR_PTR_PTR,
1305         BT_FN_VOID_INT_OMPFN_PTR_SIZE_PTR_PTR_PTR): New.
1306
1307 2013-07-14  Jakub Jelinek  <jakub@redhat.com>
1308
1309         * tree.h (omp_declare_simd_clauses_equal): Remove prototype.
1310         (omp_remove_redundant_declare_simd_attrs): New prototype.
1311         * tree.c (omp_declare_simd_clauses_equal): Make static.
1312         (omp_remove_redundant_declare_simd_attrs): New function.
1313
1314 2013-07-09  Jakub Jelinek  <jakub@redhat.com>
1315
1316         * gimple-pretty-print.c (dump_gimple_omp_return): Print
1317         gimple_omp_return_lhs if non-NULL.
1318         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
1319         call_may_clobber_ref_p_1): Handle BUILT_IN_GOMP_BARRIER_CANCEL,
1320         BUILT_IN_GOMP_LOOP_END_CANCEL, BUILT_IN_GOMP_SECTIONS_END_CANCEL.
1321         * gimple.h (gimple_omp_return_set_lhs, gimple_omp_return_lhs,
1322         gimple_omp_return_lhs_ptr): New inlines.
1323         * gimple.def (GIMPLE_OMP_RETURN): Use GSS_OMP_ATOMIC_STORE
1324         instead of GSS_BASE.
1325         * gimple.c (walk_gimple_op) <case GIMPLE_OMP_RETURN>: Walk lhs.
1326         * builtin-types.def (BT_FN_BOOL_INT, BT_FN_BOOL_INT_BOOL): New.
1327         * omp-builtins.def (BUILT_IN_GOMP_CANCELLATION_POINT): Use
1328         ATTR_NOTHROW_LEAF_LIST instead of ATTR_NULL.  Return type is now
1329         bool.
1330         (BUILT_IN_GOMP_CANCEL): Likewise.  Add second argument with bool type.
1331         (BUILT_IN_BARRIER_CANCEL, BUILT_IN_GOMP_LOOP_END_CANCEL,
1332         BUILT_IN_GOMP_SECTIONS_END_CANCEL): New builtins.
1333         * omp-low.c (struct omp_context): Add cancel_label and cancellable
1334         fields.
1335         (extract_omp_for_data): Set have_nowait even for simd implicitly.
1336         (check_omp_nesting_restrictions): Verify nesting restrictions for
1337         #pragma omp cancel and #pragma omp cancellation point.
1338         Set ctx->cancellable for regions that can be cancelled or also
1339         for any task region that contains #pragma omp cancellation point.
1340         (scan_omp_1_stmt): Check nesting restrictions even if ctx == NULL.
1341         (build_omp_barrier): Return gimple instead of tree, add lhs argument,
1342         if non-NULL, build GOMP_barrier_cancel builtin instead and set its
1343         call lhs to lhs.
1344         (lower_rec_input_clauses): Adjust build_omp_barrier caller.
1345         (expand_omp_for_static_nochunk, expand_omp_for_static_chunk,
1346         expand_omp_single): Likewise.  If OMP_RETURN has lhs, pass it to
1347         build_omp_barrier.
1348         (expand_omp_for_generic): If OMP_RETURN has lhs, use
1349         GOMP_loop_end_cancel libcall instead of GOMP_loop_end and set its
1350         lhs from OMP_RETURN's lhs.
1351         (expand_omp_sections): If OMP_RETURN has lhs, use
1352         GOMP_sections_end_cancel libcall instead of GOMP_sections_end and set
1353         its lhs from OMP_RETURN's lhs.
1354         (maybe_add_implicit_barrier_cancel): New function.
1355         (lower_omp_sections): If ctx->cancellable, emit cancel_label before
1356         OMP_RETURN.  Call maybe_add_implicit_barrier_cancel.
1357         (lower_omp_for): Likewise.
1358         (lower_omp_single): Call maybe_add_implicit_barrier_cancel.
1359         (lower_omp_taskreg): If ctx->cancellable, emit cancel_label before
1360         OMP_RETURN.
1361         (lower_omp_1): If ctx->cancellable, create ctx->cancel_label.
1362         Adjust GOMP_barrier libcalls to GOMP_barrier_cancel plus conditional
1363         branch in cancellable regions, adjust GOMP_cancel and
1364         GOMP_cancellation_point in cancellable regions or remove
1365         GOMP_cancellation_point in non-cancellable regions.
1366
1367 2013-07-03  Jakub Jelinek  <jakub@redhat.com>
1368
1369         * omp-low.c (expand_omp_single): Don't force barrier for
1370         copyprivate.
1371
1372 2013-06-28  Jakub Jelinek  <jakub@redhat.com>
1373             Aldy Hernandez  <aldyh@redhat.com>
1374
1375         * internal-fn.def (GOMP_SIMD_LANE, GOMP_SIMD_VF,
1376         GOMP_SIMD_LAST_LANE): New internal functions.
1377         * omp-low.c (omp_max_vf, lower_rec_simd_input_clauses): New
1378         functions.
1379         (lower_rec_input_clauses): Add fd argument.  Enforce max_vf = 1
1380         if any data sharing clauses mention VLAs or for array reductions.
1381         Handle OMP_CLAUSE__LOOPTEMP_ clause.  For
1382         OMP_CLAUSE_{{FIRST,LAST,}PRIVATE,LINEAR,REDUCTION} on SIMD
1383         constructs use "omp simd array" temporaries.  For OMP_CLAUSE_LINEAR
1384         adjust initial value in combined constructs.  Don't emit any
1385         barriers for #pragma omp distribute.  If max_vf is lower than
1386         current safelen, prepend an OMP_CLAUSE_SAFELEN clause.
1387         (lower_lastprivate_clauses): Handle "omp simd array" temporaries.
1388         (lower_reduction_clauses): Exit early for #pragma omp simd.
1389         (expand_omp_simd): Set loop->simduid from OMP_CLAUSE__SIMDUID_
1390         and cfun->has_simduid_loops if set.
1391         If OMP_CLAUSE_SAFELEN (1) is present, don't set loop->safelen
1392         nor loop->force_vect.
1393         (lower_omp_sections, lower_omp_single, lower_omp_taskreg): Adjust
1394         lower_rec_input_clauses callers.
1395         (lower_omp_for_lastprivate): Unshare vinit.
1396         (lower_omp_for): Add OMP_CLAUSE__LOOPTEMP_ clauses before calling
1397         lower_rec_input_clauses.  Adjust lower_rec_input_clauses caller.
1398         Always call lower_omp_for_lastprivate at the same place, even for
1399         #pragma omp simd.
1400         * tree.h (enum clause_code): Add OMP_CLAUSE__SIMDUID_.
1401         (OMP_CLAUSE__SIMDUID__DECL): Define.
1402         * tree-vectorizer.c: Include hash-table.h and tree-ssa-propagate.h.
1403         (simduid_to_vf, decl_to_simduid): New classes.
1404         (simduid_to_vf::hash, simduid_to_vf::equal, decl_to_simduid::hash,
1405         decl_to_simduid::equal): New methods.
1406         (note_simd_array_uses_struct): New struct.
1407         (adjust_simduid_builtins, note_simd_array_uses_cb,
1408         note_simd_array_uses): New functions.
1409         (vectorize_loops): Adjust "omp simd array" temporary array sizes
1410         and fold GOMP_SIMD_{LANE,VF,LAST_LANE} builtins.
1411         * tree-vectorizer.h (struct _stmt_vec_info): Add simd_lane_access_p
1412         field.
1413         (STMT_VINFO_SIMD_LANE_ACCESS_P): Define.
1414         * tree-data-ref.c (get_references_in_stmt): Allow GOMP_SIMD_LANE
1415         builtins in their own loops.
1416         * tree-inline.c (copy_cfg_body): Propagate has_force_vect_loops
1417         and has_simduid_loops.
1418         * function.h (struct function): Add has_simduid_loops field.
1419         * tree-ssa-ccp.c (likely_value): For GOMP_SIMD_{LANE,LAST_LANE,VF}
1420         builtins ignore the undefined magic argument.
1421         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__SIMDUID_
1422         clause.
1423         * cfgloop.h (struct loop): Add simduid field.
1424         * Makefile.in (tree-vectorizer.o): Depend on $(HASH_TABLE_H)
1425         and tree-ssa-propagate.h.
1426         * tree-vect-data-refs.c (vect_analyze_data_refs): Check for SIMD
1427         lane access.
1428         * gimplify.c (omp_add_variable): Handle combination of aligned
1429         clause and some data sharing clause for the same decl.
1430         (gimplify_omp_for): For collapse (2) and above simd loops
1431         predetermine loop iteration vars as lastprivate instead of
1432         linear.
1433         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add
1434         entries for OMP_CLAUSE__SIMDUID_.
1435         (walk_tree_1): Handle OMP_CLAUSE__SIMDUID_.
1436         * tree-vect-loop.c (vectorizable_live_operation): Handle live
1437         GOMP_SIMD_LANE result.
1438         * tree-vect-stmts.c (vectorizable_call): Vectorize GOMP_SIMD_LANE
1439         builtin.
1440         (vectorizable_store, vectorizable_load): Handle
1441         STMT_VINFO_SIMD_LANE_ACCESS_P.
1442         * internal-fn.c (expand_GOMP_SIMD_LANE, expand_GOMP_SIMD_VF,
1443         expand_GOMP_SIMD_LAST_LANE): New functions.
1444
1445 2013-06-21  Jakub Jelinek  <jakub@redhat.com>
1446
1447         * gimple.h (enum gf_mask): Adjust GF_OMP_FOR_COMBINED
1448         value representation, add GF_OMP_FOR_COMBINED_INTO.
1449         (gimple_omp_for_combined_into_p,
1450         gimple_omp_for_set_combined_into_p): New inlines.
1451         * gimplify.c (enum omp_region_type): Remove outdated
1452         ORT_SIMD comment.
1453         (struct gimplify_omp_ctx): Add combined_loop field.
1454         (gimplify_omp_for): Call gimple_omp_for_set_combined_into_p
1455         for inner for/simd constructs combined with an outer
1456         loop construct (for or distribute).
1457         * tree.c (omp_clause_num_ops): Add OMP_CLAUSE__LOOPTEMP_
1458         entry.
1459         (omp_clause_code_name): Likewise.
1460         (walk_tree_1): Handle OMP_CLAUSE__LOOPTEMP_.
1461         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__LOOPTEMP_.
1462         * tree.h (enum omp_clause_code): Add OMP_CLAUSE__LOOPTEMP_.
1463         (OMP_CLAUSE_DECL): Allow also on OMP_CLAUSE__LOOPTEMP_.
1464         * omp-low.c (extract_omp_for_data): Rename non_ws to simd.  Don't set
1465         fd->chunk_size for non-chunk OMP_CLAUSE_SCHEDULE_STATIC, unless
1466         fd->have_ordered.  For OMP_CLAUSE_SCHEDULE_STATIC non-ordered loops
1467         compute fd->iter_type the same as for simd.
1468         (get_ws_args_for): Add par_stmt argument, if
1469         gimple_omp_for_combined_into_p, use first two _looptemp_ clauses
1470         temporaries instead of fd->loop.n{1,2}.
1471         (determine_parallel_type): Adjust caller.
1472         (scan_sharing_clauses): Handle OMP_CLAUSE__LOOPTEMP_.
1473         (find_combined_for): New function.
1474         (scan_omp_parallel): If gimple_omp_parallel_combined_p and
1475         it is combined with gimple_omp_for_combined_into_p OMP_FOR,
1476         add OMP_CLAUSE__LOOPTEMP_ clauses to the parallel.
1477         (check_omp_nesting_restrictions): Don't insist that the only construct
1478         nested in OMP_DISTRIBUTE must be OMP_PARALLEL.
1479         (lower_rec_input_clauses, lower_send_clauses): Handle
1480         OMP_CLAUSE__LOOPTEMP_.
1481         (expand_omp_for_init_counts, expand_omp_for_init_vars,
1482         extract_omp_for_update_vars): New functions.
1483         (expand_omp_for_generic): Add inner_stmt argument.  Use
1484         expand_omp_for_{init,update}* helper functions.  Handle combined loop
1485         constructs.
1486         (expand_omp_for_static_nochunk, expand_omp_for_static_chunk):
1487         Likewise.  Handle fd->collapse > 1 and broken_loop cases.
1488         (expand_omp_simd): Use expand_omp_for_init* helper functions.  Handle
1489         combined loop constructs.
1490         (expand_omp_for): Add inner_stmt argument.  Pass it through to
1491         expand_omp_for_{generic,static_{,no}chunk}.  Use
1492         expand_omp_for_static* even for fd->collapse > 1 and/or broken_loop
1493         cases, just not when fd->have_ordered.
1494         (expand_omp): Adjust expand_omp_for caller.
1495         (lower_omp_for): If gimple_omp_parallel_combined_p, add
1496         OMP_CLAUSE__LOOPTEMP_ clauses to the GIMPLE_FOR stmt.
1497
1498 2013-06-14  Jakub Jelinek  <jakub@redhat.com>
1499
1500         * gimple-pretty-print.c (dump_gimple_omp_for): Don't handle
1501         GF_OMP_FOR_KIND_FOR_SIMD.
1502         * gimple.h (GF_OMP_FOR_KIND_FOR_SIMD): Remove.
1503         (GF_OMP_FOR_COMBINED): New.
1504         (gimple_omp_for_combined_p, gimple_omp_for_set_combined_p): New
1505         inline functions.
1506         * gimplify.c (is_gimple_stmt): Don't handle OMP_FOR_SIMD.
1507         (find_combined_omp_for): New function.
1508         (gimplify_omp_for): Handle combined OMP_DISTRIBUTE and OMP_FOR
1509         loops.
1510         * Makefile.in (c-family/c-omp.o): Depend on $(C_PRAGMA_H).
1511         * omp-low.c (build_outer_var_ref): Fix up simd handling.
1512         (check_omp_nesting_restrictions): Don't handle
1513         GF_OMP_FOR_KIND_FOR_SIMD.
1514         * tree.def (OMP_FOR_SIMD): Remove.
1515         * tree-pretty-print.c (dump_generic_node): Don't handle OMP_FOR_SIMD.
1516         Handle NULL OMP_FOR_INIT.
1517
1518 2013-06-12  Jakub Jelinek  <jakub@redhat.com>
1519
1520         * gimplify.c (gimplify_scan_omp_clauses): Handle
1521         OMP_CLAUSE_THREAD_LIMIT.
1522         * tree-pretty-print.c (dump_omp_clause): Likewise.
1523         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add entries for
1524         OMP_CLAUSE_THREAD_LIMIT.
1525         * tree.h (enum omp_clause_code): Add OMP_CLAUSE_THREAD_LIMIT.
1526         (OMP_CLAUSE_THREAD_LIMIT_EXPR): Define.
1527
1528 2013-06-04  Jakub Jelinek  <jakub@redhat.com>
1529
1530         * gimplify.c (gimplify_scan_omp_clauses): Handle array
1531         sections on OMP_CLAUSE_{MAP,TO,FROM} clauses, handle
1532         OMP_CLAUSE_DEPEND clause.
1533         (gimplify_adjust_omp_clauses): Handle array sections on
1534         OMP_CLAUSE_MAP, handle OMP_CLAUSE_DEPEND clause.
1535         * tree.c (omp_clause_num_ops): OMP_CLAUSE_{MAP,TO,FROM}
1536         now have 2 arguments, move OMP_CLAUSE_UNIFORM before these
1537         3.
1538         (omp_clause_code_name): Adjust for OMP_CLAUSE_UNIFORM movement.
1539         (walk_tree_1): Adjust to handle 2 arguments of
1540         OMP_CLAUSE_{MAP,TO,FROM}.
1541         * tree-pretty-print.c (dump_omp_clause): For OMP_CLAUSE_{MAP,TO,FROM}
1542         print OMP_CLAUSE_SIZE, and for OMP_CLAUSE_MAP handle
1543         OMP_CLAUSE_MAP_POINTER.
1544         * tree.h (enum omp_clause_code): Move OMP_CLAUSE_UNIFORM before
1545         OMP_CLAUSE_{MAP,TO,FROM}.
1546         (OMP_CLAUSE_SIZE): Define.
1547         (enum omp_clause_map_kind): Add OMP_CLAUSE_MAP_POINTER.
1548         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE_DEPEND.
1549
1550 2013-05-29  Jakub Jelinek  <jakub@redhat.com>
1551
1552         * omp-builtins.def (BUILT_IN_OMP_GET_TEAM_NUM,
1553         BUILT_IN_OMP_GET_NUM_TEAMS): New built-ins.
1554         * omp-low.c (extract_omp_for_data, expand_omp_for_static_nochunk,
1555         expand_omp_for_static_chunk): Handle #pragma omp distribute.
1556         (expand_omp_for): Add assertion for non-finished distribute collapse
1557         > 1 support.
1558         (check_omp_nesting_restrictions): Allow orphaned distribute construct.
1559
1560         * omp-low.c (check_omp_nesting_restrictions): Add some
1561         accelerator related nesting restrictions.
1562         (scan_omp_1_stmt): Call check_omp_nesting_restrictions
1563         even for GOMP_taskgroup_{start,end}.
1564         * gimplify.c (omp_notice_threadprivate_variable): Fix a typo.
1565         (gimplify_body): For functions with "omp declare target" attribute
1566         add ORT_TARGET region around the body.
1567
1568 2013-05-27  Jakub Jelinek  <jakub@redhat.com>
1569
1570         * tree.def (OMP_TEAMS, OMP_TARGET_DATA, OMP_TARGET,
1571         OMP_TARGET_UPDATE): New tree codes.
1572         * tree-cfg.c (make_edges): Handle GIMPLE_OMP_TARGET
1573         and GIMPLE_OMP_TEAMS.
1574         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE_DIST_SCHEDULE.
1575         * gimple-low.c (lower_stmt): Handle GIMPLE_OMP_TARGET
1576         and GIMPLE_OMP_TEAMS.
1577         * tree.h (OMP_TEAMS_BODY, OMP_TEAMS_CLAUSES, OMP_TARGET_DATA_BODY,
1578         OMP_TARGET_DATA_CLAUSES, OMP_TARGET_BODY, OMP_TARGET_CLAUSES,
1579         OMP_TARGET_UPDATE_CLAUSES): Define.
1580         * tree-nested.c (convert_nonlocal_reference_stmt,
1581         convert_local_reference_stmt, convert_gimple_call): Handle
1582         GIMPLE_OMP_TARGET and GIMPLE_OMP_TEAMS.
1583         * tree-inline.c (estimate_num_insns): Likewise.
1584         (remap_gimple_stmt): Likewise.  Adjust gimple_build_omp_for
1585         caller.
1586         * gimple.def: Adjust comments describing OMP_CLAUSEs.
1587         (GIMPLE_OMP_TARGET, GIMPLE_OMP_TEAMS): New GIMPLE stmts.
1588         * tree-parloops.c (create_parallel_loop): Adjust gimple_build_omp_for
1589         caller.
1590         * tree-pretty-print.c (dump_generic_node): Handle OMP_TEAMS,
1591         OMP_TARGET, OMP_TARGET_DATA and OMP_TARGET_UPDATE.
1592         * gimple.h (GF_OMP_TARGET_KIND_MASK, GF_OMP_TARGET_KIND_REGION,
1593         GF_OMP_TARGET_KIND_DATA, GF_OMP_TARGET_KIND_UPDATE): New.
1594         (gimple_build_omp_for): Add kind argument to prototype.
1595         (gimple_build_omp_target, gimple_build_omp_teams): New prototypes.
1596         (gimple_has_substatements): Handle GIMPLE_OMP_TARGET and
1597         GIMPLE_OMP_TEAMS.
1598         (gimple_omp_subcode): Change GIMPLE_OMP_SINGLE to GIMPLE_OMP_TEAMS.
1599         (gimple_omp_target_clauses, gimple_omp_target_clauses_ptr,
1600         gimple_omp_target_set_clauses, gimple_omp_target_kind,
1601         gimple_omp_target_set_kind, gimple_omp_teams_clauses,
1602         gimple_omp_teams_clauses_ptr, gimple_omp_teams_set_clauses): New
1603         inline functions.
1604         (gimple_return_set_retval): Handle GIMPLE_OMP_TARGET and
1605         GIMPLE_OMP_TEAMS.
1606         * gimple.c (gimple_build_omp_for): Add kind argument, call
1607         gimple_omp_for_set_kind.
1608         (gimple_build_omp_target, gimple_build_omp_teams): New functions.
1609         (walk_gimple_op, walk_gimple_stmt, gimple_copy): Handle
1610         GIMPLE_OMP_TARGET and GIMPLE_OMP_TEAMS.
1611         * gimple-pretty-print.c (dump_gimple_omp_target,
1612         dump_gimple_omp_teams): New functions.
1613         (pp_gimple_stmt_1): Handle GIMPLE_OMP_TARGET and GIMPLE_OMP_TEAMS.
1614         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_MAP.
1615         (enum omp_region_type): Add ORT_TEAMS, ORT_TARGET and ORT_TARGET_DATA.
1616         (omp_add_variable): Add temporary assertions.
1617         (omp_notice_threadprivate_variable): Complain if threadprivate vars
1618         appear in target region.
1619         (omp_notice_variable): ORT_TARGET, ORT_TARGET_DATA and ORT_TEAMS
1620         handling.
1621         (omp_check_private): Ignore ORT_TARGET and ORT_TARGET_DATA regions.
1622         (gimplify_scan_omp_clauses): Handle OMP_CLAUSE_MAP, OMP_CLAUSE_TO,
1623         OMP_CLAUSE_FROM, OMP_CLAUSE_NUM_TEAMS, OMP_CLAUSE_DIST_SCHEDULE
1624         and OMP_CLAUSE_DEVICE.
1625         (gimplify_adjust_omp_clauses): Likewise.
1626         (gimplify_adjust_omp_clauses_1): Handle GOVD_MAP.  Fix up
1627         check for privatization by also testing for GOVD_LINEAR.
1628         (gimplify_omp_for): Adjust gimple_build_omp_for caller.
1629         Clear *expr_p.
1630         (gimplify_omp_workshare): Handle also OMP_TARGET, OMP_TARGET_DATA
1631         and OMP_TEAMS.  Clear *expr_p.
1632         (gimplify_omp_target_update): New function.
1633         (gimplify_expr): Handle OMP_TARGET, OMP_TARGET_DATA, OMP_TARGET_UPDATE
1634         and OMP_TEAMS.
1635
1636 2013-05-20  Jakub Jelinek  <jakub@redhat.com>
1637
1638         * omp-low.c (expand_omp_simd): For collapse > 1 loops,
1639         if some loop condition might be not true initially, add runtime
1640         test and skip the whole loop.
1641
1642 2013-05-14  Jakub Jelinek  <jakub@redhat.com>
1643
1644         * cfgloop.h (struct loop): Add safelen and force_vect fields.
1645         * function.h (struct function): Add has_force_vect_loops field.
1646         * omp-low.c (expand_omp_simd): If !broken_loop, create loop for
1647         the simd region and set safelen and force_vect fields in it.
1648         * tree-vectorizer.c (vectorize_loops): If loop has force_vect set,
1649         vectorize it even if flag_vectorize isn't set.  Clear loop->force_vect
1650         after vectorization.
1651         * tree-ssa-loop.c (gate_tree_vectorize): Return true even
1652         cfun->has_force_vect_loops.
1653         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely_1): Don't
1654         unroll loops with loop->force_vect.
1655         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): For
1656         unknown or bad data dependency, if loop->safelen is non-zero, just
1657         decrease *max_vf to loop->safelen if needed and return false.
1658         * tree-if-conv.c (main_tree_if_conversion): If-convert also loops with
1659         loop->force_vect.
1660         (gate_tree_if_conversion): Return true even if
1661         cfun->has_force_vect_loops.
1662
1663 2013-05-09  Jakub Jelinek  <jakub@redhat.com>
1664
1665         * tree.c (omp_declare_simd_clauses_equal): New function.
1666         (attribute_value_equal): Call it for -fopenmp if
1667         TREE_VALUE of the attributes are both OMP_CLAUSEs.
1668         * tree.h (omp_declare_simd_clauses_equal): Declare.
1669
1670 2013-04-30  Jakub Jelinek  <jakub@redhat.com>
1671
1672         * gimple-pretty-print.c (dump_gimple_omp_atomic_load,
1673         dump_gimple_omp_atomic_store): Handle gimple_omp_atomic_seq_cst_p.
1674         * gimple.h (enum gf_mask): Add GF_OMP_ATOMIC_SEQ_CST.
1675         (gimple_omp_atomic_set_seq_cst, gimple_omp_atomic_seq_cst_p): New
1676         inline functions.
1677         * omp-low.c (expand_omp_atomic_load, expand_omp_atomic_store,
1678         expand_omp_atomic_fetch_op): If gimple_omp_atomic_seq_cst_p,
1679         pass MEMMODEL_SEQ_CST instead of MEMMODEL_RELAXED to the builtin.
1680         * gimplify.c (gimplify_omp_atomic): Handle OMP_ATOMIC_SEQ_CST.
1681         * tree-pretty-print.c (dump_generic_node): Handle OMP_ATOMIC_SEQ_CST.
1682         * tree.def (OMP_ATOMIC): Add comment that OMP_ATOMIC* must stay
1683         consecutive.
1684         * tree.h (OMP_ATOMIC_SEQ_CST): Define.
1685
1686         * omp-low.c (check_omp_nesting_restrictions): Diagnose
1687         OpenMP constructs nested inside simd region.  Don't treat
1688         #pragma omp simd as work-sharing region.  Disallow work-sharing
1689         constructs inside of critical region.  Complain if ordered
1690         region is nested inside of parallel region without loop
1691         region in between.
1692         (scan_omp_1_stmt): Call check_omp_nesting_restrictions even
1693         for GOMP_{cancel{,lation_point},taskyield,taskwait} calls.
1694
1695 2013-04-23  Jakub Jelinek  <jakub@redhat.com>
1696
1697         * Makefile.in (omp-low.o): Depend on $(TARGET_H).
1698         * gimplify.c (gimplify_adjust_omp_clauses): For linear clauses
1699         if outer_context is non-NULL, but not ORT_COMBINED_PARALLEL,
1700         call omp_notice_variable.  Remove aligned clauses that can't
1701         be handled yet.
1702         * omp-low.c: Include target.h.
1703         (scan_sharing_clauses): For aligned clauses with global arrays
1704         register local replacement.
1705         (omp_clause_aligned_alignment): New function.
1706         (lower_rec_input_clauses): For aligned clauses for global
1707         arrays or automatic pointers emit __builtin_assume_aligned
1708         before the loop if possible.
1709         (expand_omp_regimplify_p, expand_omp_build_assign): New functions.
1710         (expand_omp_simd): Use them.  Handle pointer iterators and broken
1711         loops.
1712         (lower_omp_for): Call lower_omp on gimple_omp_body_ptr after
1713         calling lower_rec_input_clauses, not before it.
1714
1715 2013-04-19  Jakub Jelinek  <jakub@redhat.com>
1716
1717         * tree.h (OMP_CLAUSE_LINEAR_NO_COPYIN,
1718         OMP_CLAUSE_LINEAR_NO_COPYOUT): Define.
1719         * omp-low.c (extract_omp_for_data): Handle #pragma omp simd.
1720         (build_outer_var_ref): For #pragma omp simd allow linear etc.
1721         clauses to bind even to private vars.
1722         (scan_sharing_clauses): Handle OMP_CLAUSE_LINEAR, OMP_CLAUSE_ALIGNED
1723         and OMP_CLAUSE_SAFELEN.
1724         (lower_rec_input_clauses): Handle OMP_CLAUSE_LINEAR.  Don't emit
1725         a GOMP_barrier call for firstprivate/lastprivate in #pragma omp simd.
1726         (lower_lastprivate_clauses): Handle also OMP_CLAUSE_LINEAR.
1727         (expand_omp_simd): New function.
1728         (expand_omp_for): Handle #pragma omp simd.
1729         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_LINEAR and
1730         GOVD_ALIGNED, add GOVD_LINEAR into GOVD_DATA_SHARE_CLASS.
1731         (enum omp_region_type): Add ORT_SIMD.
1732         (gimple_add_tmp_var, gimplify_var_or_parm_decl, omp_check_private,
1733         omp_firstprivatize_variable, omp_notice_variable): Handle ORT_SIMD
1734         like ORT_WORKSHARE.
1735         (omp_is_private): Likewise.  Add SIMD argument, tweak diagnostics
1736         and add extra errors in simd constructs.
1737         (gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses): Handle
1738         OMP_CLAUSE_LINEAR, OMP_CLAUSE_ALIGNED and OMP_CLAUSE_SAFELEN.
1739         (gimplify_adjust_omp_clauses_1): Handle GOVD_LASTPRIVATE and
1740         GOVD_ALIGNED.
1741         (gimplify_omp_for): Handle #pragma omp simd.
1742
1743 2013-04-10  Jakub Jelinek  <jakub@redhat.com>
1744
1745         * builtin-types.def (DEF_FUNCTION_TYPE_8): Document.
1746         (BT_FN_VOID_OMPFN_PTR_UINT, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
1747         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): Remove.
1748         (BT_FN_VOID_OMPFN_PTR_UINT_UINT_UINT,
1749         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_UINT,
1750         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG_UINT): New.
1751         * gimplify.c (gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses):
1752         Handle OMP_CLAUSE_PROC_BIND.
1753         * omp-builtins.def (BUILT_IN_GOMP_TASKGROUP_START,
1754         BUILT_IN_GOMP_TASKGROUP_END, BUILT_IN_GOMP_PARALLEL_LOOP_STATIC,
1755         BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC,
1756         BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED,
1757         BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME, BUILT_IN_GOMP_PARALLEL,
1758         BUILT_IN_GOMP_PARALLEL_SECTIONS): New built-ins.
1759         (BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
1760         BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
1761         BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
1762         BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
1763         BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
1764         BUILT_IN_GOMP_PARALLEL_SECTIONS_START): Remove.
1765         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE_PROC_BIND.
1766         (expand_parallel_call): Expand #pragma omp parallel* as
1767         calls to the new GOMP_parallel_* APIs without _start at the end,
1768         instead of GOMP_parallel_*_start followed by fn.omp_fn.N call,
1769         followed by GOMP_parallel_end.  Handle OMP_CLAUSE_PROC_BIND.
1770         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
1771         call_may_clobber_ref_p_1): Handle BUILT_IN_GOMP_TASKGROUP_END
1772         instead of BUILT_IN_GOMP_PARALLEL_END.
1773
1774 2013-03-27  Jakub Jelinek  <jakub@redhat.com>
1775
1776         * gimple-pretty-print.c (dump_gimple_omp_for): Handle different
1777         GIMPLE_OMP_FOR kinds.
1778         * tree.def (OMP_SIMD, OMP_FOR_SIMD, OMP_DISTRIBUTE): New tree codes.
1779         * gimple.h (enum gf_mask): Add GF_OMP_FOR_KIND_MASK,
1780         GF_OMP_FOR_KIND_FOR, GF_OMP_FOR_KIND_SIMD, GF_OMP_FOR_KIND_FOR_SIMD
1781         and GF_OMP_FOR_KIND_DISTRIBUTE.
1782         (gimple_omp_for_kind, gimple_omp_for_set_kind): New inline functions.
1783         * gimplify.c (is_gimple_stmt, gimplify_omp_for, gimplify_expr): Handle
1784         OMP_SIMD, OMP_FOR_SIMD and OMP_DISTRIBUTE.
1785         * tree.c (omp_clause_num_ops, omp_clause_code_name, walk_tree_1):
1786         Handle new OpenMP 4.0 clauses.
1787         * tree-pretty-print.c (dump_omp_clause): Likewise.
1788         (dump_generic_node): Handle OMP_SIMD, OMP_FOR_SIMD and OMP_DISTRIBUTE.
1789         * tree.h (enum omp_clause_code): Add OMP_CLAUSE_LINEAR,
1790         OMP_CLAUSE_ALIGNED, OMP_CLAUSE_DEPEND, OMP_CLAUSE_FROM, OMP_CLAUSE_TO,
1791         OMP_CLAUSE_UNIFORM, OMP_CLAUSE_MAP, OMP_CLAUSE_DEVICE,
1792         OMP_CLAUSE_DIST_SCHEDULE, OMP_CLAUSE_INBRANCH, OMP_CLAUSE_NOTINBRANCH,
1793         OMP_CLAUSE_NUM_TEAMS, OMP_CLAUSE_PROC_BIND, OMP_CLAUSE_SAFELEN,
1794         OMP_CLAUSE_SIMDLEN, OMP_CLAUSE_FOR, OMP_CLAUSE_PARALLEL,
1795         OMP_CLAUSE_SECTIONS and OMP_CLAUSE_TASKGROUP.
1796         (OMP_LOOP_CHECK): Define.
1797         (OMP_FOR_BODY, OMP_FOR_CLAUSES, OMP_FOR_INIT, OMP_FOR_COND,
1798         OMP_FOR_INCR, OMP_FOR_PRE_BODY): Use OMP_LOOP_CHECK instead of
1799         OMP_FOR_CHECK.
1800         (OMP_CLAUSE_DECL): Extend check range up to OMP_CLAUSE_MAP.
1801         (OMP_CLAUSE_LINEAR_STEP, OMP_CLAUSE_ALIGNED_ALIGNMENT,
1802         OMP_CLAUSE_NUM_TEAMS_EXPR, OMP_CLAUSE_DEVICE_ID,
1803         OMP_CLAUSE_DIST_SCHEDULE_CHUNK_EXPR, OMP_CLAUSE_SAFELEN_EXPR,
1804         OMP_CLAUSE_SIMDLEN_EXPR): Define.
1805         (enum omp_clause_depend_kind, enum omp_clause_map_kind,
1806         enum omp_clause_proc_bind_kind): New enums.
1807         (OMP_CLAUSE_DEPEND_KIND, OMP_CLAUSE_MAP_KIND,
1808         OMP_CLAUSE_PROC_BIND_KIND): Define.
1809         (struct tree_omp_clause): Add subcode.depend_kind, subcode.map_kind
1810         and subcode.proc_bind_kind.
1811         (find_omp_clause): New prototype.
1812         * omp-builtins.def (BUILT_IN_GOMP_CANCEL,
1813         BUILT_IN_GOMP_CANCELLATION_POINT): New built-ins.
1814         * tree-flow.h (find_omp_clause): Remove prototype.
1815 \f
1816 Copyright (C) 2013-2014 Free Software Foundation, Inc.
1817
1818 Copying and distribution of this file, with or without modification,
1819 are permitted in any medium without royalty provided the copyright
1820 notice and this notice are preserved.