gcc/ChangeLog.gomp

   1 2014-11-05  Thomas Schwinge  <thomas@codesourcery.com>
   2
   3         * gimplify.c (gimplify_oacc_cache): New function.
   4         (gimplify_expr): Use it for OACC_CACHE.
   5         (gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses): Handle
   6         OMP_CLAUSE__CACHE_.
   7
   8         * tree-core.h (enum omp_clause_code): Move OMP_NO_CLAUSE_CACHE
   9         next to, and handle it like a data clause.  Rename it to
  10         OMP_CLAUSE__CACHE_.  Update all users.
  11
  12         * invoke.texi: Update for OpenACC.
  13         * sourcebuild.texi: Likewise.
  14
  15         * tree.def (OACC_WAIT): Remove.  Update all users.
  16
  17         * omp-builtins.def (BUILT_IN_OMP_SET_NUM_THREADS): Remove.
  18
  19 2014-11-03  Cesar Philippidis  <cesar@codesourcery.com>
  20
  21         * builtins.def (DEF_GOACC_BUILTIN): Revert erroneous checkin.
  22
  23 2014-11-03  Cesar Philippidis  <cesar@codesourcery.com>
  24
  25         * oacc-builtins.def (BUILT_IN_GOACC_GET_NUM_THREADS): New built-in
  26         function.
  27         (BUILT_IN_ACC_GET_DEVICE_TYPE): Likewise.
  28         * omp-low.c (oacc_max_threads): New function.
  29         (lower_reduction_clauses): Use the GOACC thread builtin functions to
  30         determine the thread count. Handle multiple reduction variables.
  31         (expand_omp_for_static_nochunk): Likewise.
  32         (expand_omp_for_static_chunk): Likewise.
  33         (finalize_reduction_data): General cleanups.
  34         (process_reduction_data): Use acc_get_device_type to determine nthreads
  35         at runtime.
  36
  37 2014-11-03  Cesar Philippidis  <cesar@codesourcery.com>
  38
  39         * gimple.h (enum gf_mask): Add GF_OMP_TARGET_KIND_OACC_ENTER_EXIT_DATA.
  40         * gimple-pretty-print.c (dump_gimple_omp_target): Handle it.
  41         * gimplify.c (gimplify_scan_omp_clauses): Remove switch stmt which
  42         declared OMP_CLAUSE_MAP_FORCE_DEALLOC as unimplemented.
  43         (gimplify_omp_target_update): Handle OACC_ENTER_DATA and
  44         OACC_EXIT_DATA.
  45         (gimplify_expr): Shuffle around OACC_ENTER_DATA, OACC_EXIT_DATA and
  46         OACC_WAIT.
  47         * oacc-builtins.def (BUILD_INT_GOACC_ENTER_EXIT_DATA): New built-in
  48         function.
  49         * omp-low.c (expand_omp_target): Handle
  50         GF_OMP_TARGET_KIND_OACC_ENTER_EXIT_DATA. Don't use quick_push when
  51         there is an unknown number of wait args.
  52         (lower_omp_target): Handle GF_OMP_TARGET_KIND_OACC_ENTER_EXIT_DATA.
  53
  54 2014-10-24  James Norris  <jnorris@codesourcery.com>
  55
  56         * builtin-types.def (BT_FN_VOID_INT_INT_VAR,
  57         BT_FN_VOID_INT_OMPFN_PTR_SIZE_PTR_PTR_PTR_INT_INT_INT_INT_INT_VAR,
  58         BT_FN_VOID_INT_PTR_SIZE_PTR_PTR_PTR_INT_INT_VAR): Add.
  59         (BT_FN_VOID_INT_OMPFN_PTR_SIZE_PTR_PTR_PTR_INT_INT_INT): Remove.
  60         * c-family/c-common.c (enum c_builtin_type, c_define_builtins): Remove
  61         unused FUNCTION_TYPE_10. Add new FUNCTION_TYPE_VAR_8 and
  62         FUNCTION_TYPE_VAR_12.
  63         * c-family/c-pragma.c (oacc_pragmas): Add entry for wait directive.
  64         * c/c-parser.c (c_parser_omp_clause_name): Add handling of wait and
  65         async clauses.
  66         (c_parser_oacc_wait_list, c_parser_oacc_clause_async,
  67         c_parser_oacc_clause_wait): New.
  68         (c_parser_oacc_all_clauses): Handle async and wait clauses.
  69         (OACC_KERNELS_CLAUSE_MASK, OACC_PARALLEL_CLAUSE_MASK,
  70         OACC_UPDATE_CLAUSE_MASK): Add async and wait clauses.
  71         (OACC_WAIT_CLAUSE_MASK): New.
  72         (c_parser_oacc_wait): New.
  73         (c_parser_omp_construct): Handle wait directive.
  74         * c/c-typeck.c (c_finish_omp_clauses): Handle async and wait clauses.
  75         * fortran/f95-lang.c (gfc_init_builtin_functions): Remove unused
  76         FUNCTION_TYPE_10. Add new FUNCTION_TYPE_VAR_2, FUNCTION_TYPE_VAR_8,
  77         and FUNCTION_TYPE_VAR_12.
  78         * fortran/types.def (BT_FN_VOID_INT_INT_VAR,
  79         BT_FN_VOID_INT_OMPFN_PTR_SIZE_PTR_PTR_PTR_INT_INT_INT_INT_INT_VAR,
  80         BT_FN_VOID_INT_PTR_SIZE_PTR_PTR_PTR_INT_INT_VAR): Add.
  81         (BT_FN_VOID_INT_OMPFN_PTR_SIZE_PTR_PTR_PTR_INT_INT_INT): Remove.
  82         * lto/lto-lang.c (enum lto_builtin_type, lto_define_builtins): Remove
  83         unsigned FUNCTION_TYPE_10. Add new FUNCTION_TYPE_VAR_8 and
  84         FUNCTION_TYPE_VAR_12.
  85         * oacc-builtins.def (BUILT_IN_GOACC_KERNELS BUILT_IN_GOACC_PARALLEL,
  86         BUILT_IN_GOACC_UPDATE, BUILT_IN_GOACC_WAIT): Change type.
  87         * omp-low.c (scan_sharing_clauses): Handle async and wait clauses.
  88         (expand_oacc_offload): Lower kernel directive and async and wait
  89         clauses.
  90
  91 2014-10-23  Thomas Schwinge  <thomas@codesourcery.com>
  92
  93         * omp-low.c (finalize_reduction_data): Don't skip the reduction
  94         variable's original value.
  95
  96 2014-10-20  Cesar Philippidis  <cesar@codesourcery.com>
  97
  98         * gimplify.c (gimplify_scan_omp_clauses): Remove switch stmt which
  99         declared OMP_CLAUSE_MAP_FORCE_DEALLOC as unimplemented.
 100         (gimplify_expr): Remove OACC_WAIT, since it handled directly by the
 101         front ends.
 102
 103 2014-10-15  James Norris  <jnorris@codesourcery.com>
 104
 105         * builtin-types.def (BT_FN_VOID_INT_PTR_INT): New type.
 106         * oacc-builtins.def (BUILT_IN_GOACC_WAIT): New builtin.
 107
 108 2014-10-09  Thomas Schwinge  <thomas@codesourcery.com>
 109
 110         * omp-low.c (process_reduction_data): Initialize variable inner.
 111
 112 2014-10-08  Cesar Philippidis  <cesar@codesourcery.com>
 113
 114         * omp-low.c (lower_reduction_clauses): Clarify comment.
 115         (process_reduction_data): Scan for nonempty bind statements at
 116         the beginning of parallel blocks.
 117
 118 2014-09-23  Thomas Schwinge  <thomas@codesourcery.com>
 119
 120         * builtins.def (DEF_GOACC_BUILTIN_COMPILER): New macro.
 121         * oacc-builtins.def (BUILT_IN_GOACC_UPDATE): New builtin.
 122         * builtins.c (expand_builtin_acc_on_device): New function.
 123         (expand_builtin): Use it to handle BUILT_IN_ACC_ON_DEVICE.
 124         (is_inexpensive_builtin): Handle BUILT_IN_ACC_ON_DEVICE.
 125
 126 2014-09-08  Thomas Schwinge  <thomas@codesourcery.com>
 127
 128         * configure.ac (offload_targets): Remove.
 129         * configure: Regenerate.
 130
 131 2014-09-05  Bernd Schmidt  <bernds@codesourcery.com>
 132
 133         * configure.ac (enable-accelerator): Remove option.
 134         (enable_accelerator): Don't subst.
 135         * configure: Regenerate.
 136
 137 2014-09-03  Thomas Schwinge  <thomas@codesourcery.com>
 138
 139         * omp-low.c (expand_oacc_offload): Add child_fn to offload_funcs.
 140
 141 2014-08-19  Ilya Verbin  <ilya.verbin@intel.com>
 142
 143         * Makefile.in (GTFILES): Add omp-low.h.
 144         * cgraphunit.c: Include omp-low.h.
 145         (init_offload_var_table): New function.
 146         (ipa_passes): Run ipa_write_summaries for target only when
 147         offload_funcs or offload_vars is not empty.
 148         * gengtype.c (ifiles): Add omp-low.h.
 149         * lto/lto.c (read_cgraph_and_symbols): Call input_offload_tables.
 150         * lto-cgraph.c: Include omp-low.h.
 151         (output_offload_tables): New function.
 152         (input_offload_tables): Likewise.
 153         * lto-section-in.c (lto_section_name): Add offload_table.
 154         * lto-streamer-out.c (lto_output): Call output_offload_tables.
 155         * lto-streamer.h: Declare output_offload_tables
 156         and input_offload_tables.
 157         (lto_section_type): Add LTO_section_offload_table.
 158         * omp-low.c: Define offload_funcs and offload_vars.
 159         (expand_omp_target): Add child_fn to offload_funcs.
 160         (omp_finish_file): Remove obsolete code.
 161         * omp-low.h: Declare offload_funcs and offload_vars.
 162
 163 2014-08-04  Bernd Schmidt  <bernds@codesourcery.com>
 164
 165         * Makefile.in (tool_prefix): Remove.
 166         (unlibsubdir): Change depending on enable_as_accelerator.
 167         (GCC_TARGET_INSTALL_NAME): Revert previous change.
 168         (install_driver): Rework offloading changes.
 169         * configure.ac (tool_prefix): Remove.
 170         (enable-as-accelerator-for): Don't require --enable-as-accelerator.
 171         Update the program_transform_name.
 172         (offload_targets): Add 'g' modifier to sed script.
 173         * configure: Regenerate.
 174
 175 2014-07-28  Cesar Philippidis  <cesar@codesourcery.com>
 176
 177         * omp-low.c (get_base_type): New function.
 178         (scan_sharing_clauses): Replace TREE_TYPE with get_base_type.
 179         (lower_reduction_clauses): Use it.
 180         (initialize_reduction_data): Likewise.
 181         (finalize_reduction_data): Likewise. Remove new_var.
 182
 183 2014-07-28  Tom de Vries  <tom@codesourcery.com>
 184
 185         * omp-low.c (process_reduction_data): Remove unused variables.
 186
 187 2014-07-24  Thomas Schwinge  <thomas@codesourcery.com>
 188
 189         * omp-low.c (extract_omp_for_data): Force OpenACC loop to use a
 190         chunk size of one.
 191
 192         * omp-low.c (expand_omp_for_static_chunk): Merge changes
 193         previously applied to expand_omp_for_static_nochunk.
 194
 195 2014-07-14  Cesar Philippidis  <cesar@codesourcery.com>
 196
 197         * omp-low.c (extract_omp_for_data): Likewise.
 198         (expand_omp_for_static_nochunk): Likewise.
 199
 200 2014-07-14  Cesar Philippidis  <cesar@codesourcery.com>
 201
 202         * omp-low.c (process_reduction_data): Check for new
 203         binding level and skip for-loops which don't have a
 204         reduction clause.
 205
 206 2014-07-08  Cesar Philippidis  <cesar@codesourcery.com>
 207             Thomas Schwinge  <thomas@codesourcery.com>
 208
 209         * omp-low.c (omp_get_id): New function.
 210         (lookup_reduction): New function.
 211         (maybe_lookup_reduction): New function.
 212         (build_outer_var_ref): Remove openacc assert.
 213         (new_omp_context): Preserve ctx->reduction_map.
 214         (scan_sharing_clauses): Handle OMP_CLAUSE_REDUCTION.
 215         (scan_oacc_offload): Initialize ctx->reduction_map.
 216         (lower_reduction_clauses): Handle OpenACC reductions.
 217         (omp_gimple_assign_with_ops): New function.
 218         (initialize_reduction_data): New function.
 219         (finalize_reduction_data): New function.
 220         (process_reduction_data): New function.
 221         (lower_oacc_offload): Handle reductions.
 222         * gcc/omp-builtins.def (BUILT_IN_OMP_SET_NUM_THREADS): New.
 223
 224 2014-06-13  Thomas Schwinge  <thomas@codesourcery.com>
 225             Ilmir Usmanov  <i.usmanov@samsung.com>
 226
 227         * tree-pretty-print.c (dump_omp_clause): Instead of
 228         OMP_CLAUSE_DECL, use more specific accessors for some clauses.
 229
 230 2014-06-13  Thomas Schwinge  <thomas@codesourcery.com>
 231             Cesar Philippidis  <cesar@codesourcery.com>
 232
 233         * omp-low.c (extract_omp_for_data, scan_sharing_clauses): For
 234         OpenACC directives, the collapse(1) clause is supported.
 235
 236 2014-06-13  Cesar Philippidis  <cesar@codesourcery.com>
 237
 238         * omp-low.c (scan_sharing_clauses): Preliminary support for
 239         OMP_CLAUSE_PRIVATE for OpenACC.
 240
 241         * omp-low.c (scan_sharing_clauses): For clauses currently not
 242         supported with OpenACC directives, emit a sorry message instead of
 243         aborting.
 244
 245 2014-06-12  Thomas Schwinge  <thomas@codesourcery.com>
 246             James Norris  <jnorris@codesourcery.com>
 247
 248         * omp-low.c (scan_sharing_clauses): Allow OMP_CLAUSE_IF.
 249         (expand_oacc_offload, expand_omp_target): Handle it.
 250
 251 2014-06-06  Thomas Schwinge  <thomas@codesourcery.com>
 252             James Norris  <jnorris@codesourcery.com>
 253
 254         * gimple.h (enum gf_mask): Add GF_OMP_TARGET_KIND_OACC_UPDATE, and
 255         extend mask size, GF_OMP_TARGET_KIND_MASK.
 256         (is_gimple_omp_oacc_specifically): Handle
 257         GF_OMP_TARGET_KIND_OACC_UPDATE.
 258         * gimplify.c (gimplify_omp_target_update, gimplify_expr):
 259         Likewise.
 260         * gimple-pretty-print.c (dump_gimple_omp_target): Likewise.
 261         * omp-low.c (scan_omp_target, expand_omp_target)
 262         (build_omp_regions_1, lower_omp_target, lower_omp_1)
 263         (make_gimple_omp_edges): Likewise.
 264         * oacc-builtins.def (BUILT_IN_GOACC_UPDATE): New builtin.
 265
 266 2014-06-05  Thomas Schwinge  <thomas@codesourcery.com>
 267
 268         * gimplify.c (gimplify_scan_omp_clauses)
 269         (gimplify_adjust_omp_clauses): Handle
 270         OMP_CLAUSE_MAP_FORCE_DEVICEPTR.
 271         * omp-low.c (scan_sharing_clauses, lower_oacc_offload)
 272         (lower_omp_target): Likewise.
 273         * tree-core.h (enum omp_clause_map_kind)
 274         <OMP_CLAUSE_MAP_FORCE_DEVICEPTR>: Update comment.
 275
 276         * gimplify.c (gimplify_scan_omp_clauses) <case OMP_CLAUSE_MAP>:
 277         Don't block OMP_CLAUSE_MAP_FORCE_PRESENT.
 278
 279 2014-06-04  Thomas Schwinge  <thomas@codesourcery.com>
 280
 281         * cgraphunit.c (ipa_passes, compile): Handle flag_openacc next to
 282         flag_openmp.
 283         * ipa-inline-analysis.c (inline_generate_summary): Likewise.
 284         * lto-streamer.c (lto_streamer_init, gate_lto_out): Likewise.
 285         * passes.c (ipa_write_summaries): Likewise.
 286
 287 2014-05-12  Bernd Schmidt  <bernds@codesourcery.com>
 288
 289         * lto-wrapper.c (ompbegin): New static variable.
 290         (find_ompbeginend): Renamed from find_ompend.  Also look for
 291         crtompbegin.o.
 292         (run_gcc): Also use ompbegin.
 293
 294 2014-05-08  Thomas Schwinge  <thomas@codesourcery.com>
 295
 296         * omp-low.c (get_offload_symbol_decl): Mark __OPENMP_TARGET__ as
 297         addressable.
 298
 299 2014-04-04  Bernd Schmidt  <bernds@codesourcery.com>
 300
 301         * lto-wrapper.c (replace_special_characters): Remove functions and
 302         all calls to it.
 303
 304         * lto-section-names.h (OFFLOAD_VAR_TABLE_SECTION_NAME,
 305         OFFLOAD_FUNC_TABLE_SECTION_NAME): Define.
 306         * lto-wrapper.c (OFFLOAD_FUNC_TABLE_SECTION_NAME): Don't define.
 307         (ompend): New static variable.
 308         (copy_file, find_ompend): New static functions.
 309         (run_gcc): Call find_ompend if we have offload images.  Add its
 310         return value to the output.
 311         * omp-low.c: Include "lto-section-names.h".
 312         (omp_finish_file): Initialize section names from macros defined there.
 313
 314         * omp-low.c (offload_symbol_decl): New static variable.
 315         (get_offload_symbol_decl): New static function.
 316         (expand_oacc_offload, expand_omp_target): Use it.
 317
 318 2014-04-02  Thomas Schwinge  <thomas@codesourcery.com>
 319
 320         * omp-low.c (omp_finish_file): Use num_vars instead of num_funcs
 321         when recording offload symbols v_vars.
 322
 323         * omp-low.c (expand_oacc_offload): Handle __OPENMP_TARGET__
 324         symbol.
 325
 326 2014-03-20  Bernd Schmidt  <bernds@codesourcery.com>
 327
 328         Mostly by Michael Zolotukhin:
 329         * lto-wrapper.c (OFFLOAD_FUNC_TABLE_SECTION_NAME,
 330         OFFLOAD_TARGET_NAMES_ENV): New defines.
 331         (offload_names): New static variable.
 332         (free_array_of_ptrs, parse_env_var, access_check,
 333         prepare_target_image, replace_special_characters,
 334         compile_images_for_openmp_targets): New static functions.
 335         (run_gcc): Determine whether offload sections are present.  If so,
 336         run compile_images_for_openmp_targets and print the image names.
 337
 338         * Makefile.in (COLLECT2_OBJS): Add collect-utils.o.
 339         (LTO_WRAPPER_OBJS): New variable.
 340         (lto-wrapper$(exeext)): Use it.
 341         * collect2.c: Include "collect-utils.h".
 342         (vflag, debug): Remove variables.  Rename all uses of vflag to
 343         verbose.
 344         (at_file_supplied): No longer static.
 345         (tool_name): New variable.
 346         (do_wait, fork_execute, maybe_unlink): Don't declare.
 347         (tool_cleanup): Renamed from collect_atexit.  New arg from_signal.
 348         (collect_atexit): New static function.
 349         (notice): Remove function.
 350         (handler): Just call tool_cleanup.
 351         (maybe_run_lto_and_relink, main, do_dsymutil): Add new arg to
 352         fork_execute calls.
 353         (collect_wait, do_wait, collect_execute): Remove functions.
 354         (maybe_unlink): No longer static.
 355         * collect2.h (vflag, debug): Don't declare.
 356         (at_file_supplied): Declare.
 357         * collect-utils.c (utils_cleanup): New arg from_signal.  All callers
 358         changed.
 359         (collect_execute): Replace with implementation from collect2, plus a
 360         new arg use_atfile.  All callers changed.
 361         (collect_wait): Replace with implementation from collect2.
 362         (maybe_unlink_file): Remove function.
 363         (fork_execute): Replace with implementation from collect2, plus a
 364         new arg use_atfile.  All callers changed.
 365         (do_wait): Add call to utils_cleanup to the error path.
 366         * collect-utils.h (collect_execute, fork_execute, utils_cleanup,
 367         tool_cleanup): Adjust declarations.
 368         * lto-wrapper.c (tool_cleanup): Add unused bool argument.
 369         * tlink.c: Include "collect-utils.h".
 370         (tlink_execute): New arg use_atfile.  All callers changed.
 371         (tlink_init, tlink_execute): Remove declarations.
 372
 373         * Makefile.in (ALL_HOST_BACKEND_OBJS): Add collect-utils.o.
 374         (lto-wrapper$(exeext)): Link with collect-utils.o.
 375         * collect-utils.c: New file.
 376         * collect-utils.h: New file.
 377         * lto-wrapper.c: Include "collect-utils.h".
 378         (args_name): Delete variable.
 379         (tool_name): New variable.
 380         (tool_cleanup): New function.
 381         (maybe_unlink): Renamed from maybe_unlink_file.  All callers changed.
 382         (lto_wrapper_cleanup, fatal_signal, fatal, fatal_perror,
 383         collect_execute, collect_wait, fork_execute): Remove functions.
 384
 385         Mostly by Michael Zolotukhin:
 386         * omp-low.c: Include "common/common-target.h".
 387         (expand_omp_target): Pass in address of __OPENMP_TARGET__.
 388         (add_decls_addresses_to_decl_constructor, omp_finish_file): New
 389         functions.
 390         * omp-low.h (omp_finish_file): Declare.
 391         * toplev.c: Include "omp-low.h".
 392         (compile_file): Call omp_finish_file.
 393         * target.def (record_offload_symbol): New hook.
 394         * doc/tm.texi.in (TARGET_RECORD_OFFLOAD_SYMBOL): Add.
 395         * doc/tm.texi: Regenerate.
 396         * configure.ac (ENABLE_OFFLOADING): Define if we have offload_targets.
 397         * configure: Regenerate.
 398         * config.in: Regenerate.
 399
 400         * config/darwin.c: Include "lto-section-names.h".
 401         (LTO_SEGMENT_NAME): Don't define.
 402         * config/i386/winnt.c: Include "lto-section-names.h".
 403         * lto-streamer.c: Include "lto-section-names.h".
 404         * lto-streamer.h (LTO_SECTION_NAME_PREFIX, OMP_SECTION_NAME_PREFIX):
 405         Don't define.
 406         (section_name_prefix): Don't declare.
 407         * lto-wrapper.c: Include "lto-section-names.h".
 408         (LTO_SECTION_NAME_PREFIX): Don't define.
 409         * lto-section-names.h: New file.
 410         * cgraphunit.c: Include "lto-section-names.h".
 411
 412         * configure.ac (real_target_noncanonical, tool_prefix,
 413         accel_dir_suffix, offload_targets): Compute new variables.
 414         (--enable-as-accelerator-for, --enable-as-accelerator,
 415         --enable-offload-targets): New options.
 416         * configure: Regenerate.
 417         * config.in: Regenerate.
 418         * Makefile.in (real_target_noncanonical, tool_prefix,
 419         accel_dir_suffix, enable_as_accelerator): New variables substituted
 420         by configure.
 421         (libsubdir, libexecsubdir, GCC_TARGET_INSTALL_NAME): Tweak for the
 422         possibility of being configured as an offload compiler.
 423         (install_driver): Likewise.
 424         (DRIVER_DEFINES): Pass new defines DEFAULT_REAL_TARGET_MACHINE and
 425         ACCEL_DIR_SUFFIX.
 426         * gcc.c (spec_host_machine, accel_dir_suffix): New variables.
 427         (process_command): Tweak path construction for the possibility
 428         of being configured as an offload compiler.
 429         (main): Likewise. Look up specs in just_machine_suffix only if not
 430         ACCEL_COMPILER.  Construct OFFLOAD_TARGET_NAMES environment variable
 431         if we have OFFLOAD_TARGETS.
 432
 433 2014-03-20  Thomas Schwinge  <thomas@codesourcery.com>
 434
 435         * gimple.h (enum gf_mask): Add GF_OMP_FOR_KIND_OACC_LOOP.
 436         (is_gimple_omp_oacc_specifically): Handle it.
 437         * gimple-pretty-print.c (dump_gimple_omp_for): Likewise.
 438         * gimple.def (GIMPLE_OMP_FOR): Update for OpenACC loop.
 439         * gimple.c (gimple_build_omp_for): Don't explicitly mention some
 440         clauses.
 441         (gimple_copy) <GIMPLE_OMP_FOR>: Handle GF_OMP_FOR_KIND_OACC_LOOP.
 442         * omp-low.c (extract_omp_for_data, scan_sharing_clauses)
 443         (check_omp_nesting_restrictions, lower_rec_input_clauses)
 444         (lower_lastprivate_clauses, lower_reduction_clauses)
 445         (expand_omp_for_generic, expand_omp_for_static_nochunk)
 446         (expand_omp_for_static_chunk, maybe_add_implicit_barrier_cancel)
 447         (lower_omp_for): Likewise.
 448         * tree-inline.c (remap_gimple_stmt): Likewise.
 449         * tree-nested.c (walk_gimple_omp_for)
 450         (convert_nonlocal_reference_stmt, convert_local_reference_stmt)
 451         (convert_gimple_call): Likewise.
 452         * doc/gimple.texi (GIMPLE_OMP_FOR): Don't explicitly mention some
 453         clauses.
 454         * gimplify.c (gimplify_omp_for, gimplify_expr): Handle OACC_LOOP.
 455
 456         * tree.def (OACC_LOOP): Sort after OMP_DISTRIBUTE.
 457         * tree.h (OMP_LOOP_CHECK): Update accordingly.
 458         * gimplify.c (is_gimple_stmt): Sort OACC_LOOP after
 459         OMP_DISTRIBUTE.
 460         * tree-pretty-print.c (dump_generic_node): Likewise.
 461         * doc/generic.texi (OACC_LOOP): Sort after OACC_HOST_DATA.
 462         (OMP_FOR): Fix and extend for OACC_LOOP.
 463
 464         * gimple.h (enum gf_mask): Add and use GF_OMP_FOR_SIMD.
 465         * omp-low.c: Update accordingly.
 466
 467         * gimple.h (enum gf_mask): Rewrite "<< 0" shift expressions used
 468         for GF_OMP_FOR_KIND_MASK, GF_OMP_FOR_KIND_FOR,
 469         GF_OMP_FOR_KIND_DISTRIBUTE, GF_OMP_FOR_KIND_SIMD,
 470         GF_OMP_FOR_KIND_CILKSIMD, GF_OMP_TARGET_KIND_MASK,
 471         GF_OMP_TARGET_KIND_REGION, GF_OMP_TARGET_KIND_DATA,
 472         GF_OMP_TARGET_KIND_UPDATE, GF_OMP_TARGET_KIND_OACC_DATA.
 473
 474         * omp-low.c (check_omp_nesting_restrictions): Allow nesting of
 475         OpenACC constructs inside of OpenACC data constructs.
 476
 477 2014-03-18  Ilmir Usmanov  <i.usmanov@samsung.com>
 478
 479         * tree.def (OACC_LOOP): New tree code.
 480         * tree-pretty-print.c (dump_generic_node): Show it.
 481         * tree.h (OACC_KERNELS_COMBINED, OACC_PARALLEL_COMBINED): New macros.
 482         * doc/generic.texi: Document loop directive.
 483         * gimplify.c (is_gimple_stmt, gimplify_expr): Stub gimplification of
 484         loop directive and combined directives.
 485
 486 2014-03-18  Thomas Schwinge  <thomas@codesourcery.com>
 487
 488         * builtin-types.def
 489         (BT_FN_VOID_INT_OMPFN_PTR_SIZE_PTR_PTR_PTR_INT_INT_INT): New type.
 490         * oacc-builtins.def (BUILT_IN_GOACC_KERNELS)
 491         (BUILT_IN_GOACC_PARALLEL): Switch to that one.
 492         * gimplify.c (gimplify_scan_omp_clauses)
 493         (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_NUM_GANGS,
 494         OMP_CLAUSE_NUM_WORKERS, OMP_CLAUSE_VECTOR_LENGTH.
 495         * omp-low.c (scan_sharing_clauses, expand_oacc_offload): Likewise.
 496
 497 2014-03-13  Thomas Schwinge  <thomas@codesourcery.com>
 498
 499         * tree.h (OMP_CLAUSE_VECTOR_EXPR): Check for OMP_CLAUSE_VECTOR
 500         instead of OMP_CLAUSE_VECTOR_LENGTH.
 501         (OMP_WAIT_EXPR): Rename to OMP_CLAUSE_WAIT_EXPR.  Change
 502         all users.
 503
 504 2014-03-13  Thomas Schwinge  <thomas@codesourcery.com>
 505
 506         * omp-low.c (create_omp_child_function): Use
 507         is_gimple_omp_offloaded when looking for offloaded regions.
 508
 509 2014-03-12  Thomas Schwinge  <thomas@codesourcery.com>
 510
 511         * omp-low.c (scan_sharing_clauses): Move offloaded logic into...
 512         * gimple.h (is_gimple_omp_offloaded): ... this new static inline
 513         function.
 514
 515 2014-02-28  Thomas Schwinge  <thomas@codesourcery.com>
 516
 517         * gimple.def (GIMPLE_OACC_KERNELS): New code.
 518         * doc/gimple.texi: Document it.
 519         * gimple.h (gimple_has_substatements, CASE_GIMPLE_OMP)
 520         (is_gimple_omp_oacc_specifically): Handle it.
 521         (gimple_statement_oacc_kernels): New struct.
 522         (gimple_build_oacc_kernels): New prototype.
 523         (gimple_oacc_kernels_clauses, gimple_oacc_kernels_clauses_ptr)
 524         (gimple_oacc_kernels_set_clauses, gimple_oacc_kernels_child_fn)
 525         (gimple_oacc_kernels_child_fn_ptr)
 526         (gimple_oacc_kernels_set_child_fn, gimple_oacc_kernels_data_arg)
 527         (gimple_oacc_kernels_data_arg_ptr)
 528         (gimple_oacc_kernels_set_data_arg): New inline functions.
 529         * gimple.c (gimple_build_oacc_kernels): New function.
 530         (gimple_copy): Handle GIMPLE_OACC_KERNELS.
 531         * gimple-low.c (lower_stmt): Likewise.
 532         * gimple-walk.c (walk_gimple_op, walk_gimple_stmt): Likewise.
 533         * gimple-pretty-print.c (pp_gimple_stmt_1): Likewise.
 534         (dump_gimple_oacc_parallel): Rename to dump_gimple_oacc_offload.
 535         Also handle GIMPLE_OACC_KERNELS.  Update all callers.
 536         * gimplify.c (gimplify_omp_workshare, gimplify_expr): Handle
 537         OACC_KERNELS.
 538         * oacc-builtins.def (BUILT_IN_GOACC_KERNELS): New builtin.
 539         * omp-low.c (scan_oacc_parallel, expand_oacc_parallel)
 540         (lower_oacc_parallel): Rename to scan_oacc_offload,
 541         expand_oacc_offload, and lower_oacc_offload.  Also handle
 542         GIMPLE_OACC_KERNELS.  Update all callers.
 543         (scan_sharing_clauses, scan_omp_1_stmt, expand_omp, lower_omp_1)
 544         (diagnose_sb_0, diagnose_sb_1, diagnose_sb_2)
 545         (make_gimple_omp_edges): Handle GIMPLE_OACC_KERNELS.
 546         * tree-inline.c (remap_gimple_stmt, estimate_num_insns): Likewise.
 547         * tree-nested.c (convert_nonlocal_reference_stmt)
 548         (convert_local_reference_stmt, convert_tramp_reference_stmt)
 549         (convert_gimple_call): Likewise.
 550
 551 2014-02-27  Thomas Schwinge  <thomas@codesourcery.com>
 552
 553         * gimplify.c (gimplify_oacc_parallel): Merge into
 554         gimplify_omp_workshare.  Update all callers.
 555
 556 2014-02-27  Ilmir Usmanov  <i.usmanov@samsung.com>
 557
 558         Fix OpenACC ASYNC clause: it cannot contain integer-expression-list.
 559
 560         gcc/
 561         * tree.h (OMP_CLAUSE_ASYNC_EXPR): Reorder.
 562         * tree.c (omp_clause_num_ops, omp_clause_code_name): Reorder clauses.
 563         * tree-core.h (enum omp_clause_code): Likewise.
 564         * omp-low.c (scan_sharing_clauses): Likewise.
 565         * gimplify.c (gimplify_scan_omp_clauses): Likewise.
 566
 567 2014-02-21  Thomas Schwinge  <thomas@codesourcery.com>
 568
 569         * gimple.h (enum gf_mask): Add GF_OMP_TARGET_KIND_OACC_DATA.
 570         (is_gimple_omp_oacc_specifically): Handle it.
 571         * gimple-pretty-print.c (dump_gimple_omp_target): Likewise.
 572         * gimplify.c (gimplify_omp_workshare, gimplify_expr): Likewise.
 573         * omp-low.c (scan_sharing_clauses, scan_omp_target)
 574         (expand_omp_target, lower_omp_target, lower_omp_1): Likewise.
 575         * gimple.def (GIMPLE_OMP_TARGET): Update comment.
 576         * gimple.c (gimple_build_omp_target): Likewise.
 577         (gimple_copy): Catch unimplemented case.
 578         * tree-inline.c (remap_gimple_stmt): Likewise.
 579         * tree-nested.c (convert_nonlocal_reference_stmt)
 580         (convert_local_reference_stmt, convert_gimple_call): Likewise.
 581         * oacc-builtins.def (BUILT_IN_GOACC_DATA_START)
 582         (BUILT_IN_GOACC_DATA_END): New builtins.
 583
 584         * omp-low.c (scan_sharing_clauses): Catch unexpected occurrences
 585         of OMP_CLAUSE_TO, OMP_CLAUSE_FROM, OMP_CLAUSE_MAP.
 586
 587         * gimplify.c (enum omp_region_type): Make ORT_TARGET_OFFLOAD a
 588         flag for ORT_TARGET, in its negation replacing ORT_TARGET_DATA.
 589         Update all users.
 590
 591         * omp-low.c (gimple_code_is_oacc): Move to...
 592         * gimple.h (is_gimple_omp_oacc_specifically): ... here.  Update
 593         users, and also use it in more places where currently we've only
 594         been checking for GIMPLE_OACC_PARALLEL.
 595
 596 2014-02-18  Thomas Schwinge  <thomas@codesourcery.com>
 597
 598         * omp-low.c (diagnose_sb_0, diagnose_sb_1, diagnose_sb_2): Handle
 599         GIMPLE_OACC_PARALLEL.
 600         * gimplify.c (gimplify_case_label_expr): Update comment.
 601
 602         * omp-low.c (diagnose_sb_0): Generalize detection which kind of
 603         structured block we're in.
 604
 605 2014-02-17  Thomas Schwinge  <thomas@codesourcery.com>
 606
 607         * tree-core.h (omp_clause_code) <map>: Mention pcopy, pcopyin,
 608         pcopyout, pcreate OpenACC clauses.
 609
 610 2014-02-14  Ilmir Usmanov  <i.usmanov@samsung.com>
 611             Dmitry Bocharnikov  <dmitry.b@samsung.com>
 612             Evgeny Gavrin  <e.gavrin@samsung.com>
 613
 614         Add OpenACC 1.0 support to GENERIC, except loop directive and subarrays.
 615
 616         gcc/
 617         * gimplify.c (is_gimple_stmt, gimplify_scan_omp_clauses,
 618         implify_adjust_omp_clauses, gimplify_expr): Stub OpenACC directives
 619         and clauses.
 620         * omp-low.c (scan_sharing_clauses): Likewise.
 621         (gimple_code_is_oacc): New helper function.
 622         (scan_sharing_clauses): Use it.
 623         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_HOST,
 624         OMP_CLAUSE_OACC_DEVICE, OMP_CLAUSE_DEVICE_RESIDENT,
 625         OMP_CLAUSE_USE_DEVICE, OMP_CLAUSE_GANG, OMP_CLAUSE_WAIT,
 626         OMP_NO_CLAUSE_CACHE, OMP_CLAUSE_INDEPENDENT, OMP_CLAUSE_ASYNC,
 627         OMP_CLAUSE_WORKER, OMP_CLAUSE_VECTOR, OMP_CLAUSE_NUM_GANGS,
 628         OMP_CLAUSE_NUM_WORKERS and OMP_CLAUSE_VECTOR_LENGTH clauses.
 629         * tree-pretty-print.c (dump_omp_clause): Print OpenACC clause.
 630         (dump_generic_node): Print OpenACC directives and its clauses.
 631         * tree.c (omp_clause_num_ops, omp_clause_code_name,
 632         walk_tree_1): Add OpenACC clauses.
 633         * tree.def (OACC_KERNELS, OACC_DATA, OACC_HOST_DATA, OACC_DECLARE,
 634         OACC_UPDATE, OACC_ENTER_DATA, OACC_EXIT_DATA, OACC_WAIT,
 635         OACC_CACHE): New tree node.
 636         * tree.h (OACC_KERNELS_BODY, OACC_KERNELS_CLAUSES,
 637         OACC_CLAUSE_NUM_GANGS_EXPR, OMP_CLAUSE_NUM_WORKERS_EXPR,
 638         OMP_CLAUSE_VECTOR_LENGTH_EXPR, OMP_CLAUSE_VECTOR_EXPR,
 639         OMP_CLAUSE_WORKER_EXPR, OMP_CLAUSE_GANG_EXPR, OMP_CLAUSE_ASYNC_EXPR,
 640         OMP_WAIT_EXPR, OACC_DATA_BODY, OACC_DATA_CLAUSES, OACC_DECLARE_CLAUSES,
 641         OACC_UPDATE_CLAUSES, OACC_WAIT_CLAUSES, OACC_CACHE_CLAUSES,
 642         OACC_HOST_DATA_BODY, OACC_HOST_DATA_CLAUSES): New macros.
 643         gcc/doc/
 644         * generic.texi: Document OACC_KERNELS, OACC_DATA, OACC_HOST_DATA,
 645         OACC_DECLARE, OACC_UPDATE, OACC_ENTER_DATA, OACC_EXIT_DATA, OACC_WAIT,
 646         OACC_CACHE.
 647
 648 2014-02-07  Ilya Tocar  <ilya.tocar@intel.com>
 649
 650         * ipa-inline-analysis.c (inline_free_summary): Always remove
 651         hooks.
 652
 653 2014-01-28  Thomas Schwinge  <thomas@codesourcery.com>
 654
 655         * tree-core.h (omp_clause_code): Update description for
 656         OMP_CLAUSE_MAP.
 657
 658         * tree-core.h (omp_clause_map_kind): Add OMP_CLAUSE_MAP_FORCE,
 659         OMP_CLAUSE_MAP_FORCE_ALLOC, OMP_CLAUSE_MAP_FORCE_TO,
 660         OMP_CLAUSE_MAP_FORCE_FROM, OMP_CLAUSE_MAP_FORCE_TOFROM,
 661         OMP_CLAUSE_MAP_FORCE_PRESENT, OMP_CLAUSE_MAP_FORCE_DEALLOC, and
 662         OMP_CLAUSE_MAP_FORCE_DEVICEPTR.
 663         * tree-pretty-print.c (dump_omp_clause): Handle these.
 664         * gimplify.c (gimplify_omp_var_data): Add GOVD_MAP_FORCE.
 665         (omp_region_type): Add ORT_TARGET_MAP_FORCE.
 666         (omp_add_variable, omp_notice_threadprivate_variable)
 667         (omp_notice_variable, gimplify_scan_omp_clauses)
 668         (gimplify_adjust_omp_clauses_1): Extend accordingly.
 669         (gimplify_oacc_parallel): Add ORT_TARGET_MAP_FORCE to ORT_TARGET
 670         usage.
 671         * omp-low.c (install_var_field, scan_sharing_clauses)
 672         (lower_oacc_parallel, lower_omp_target): Extend accordingly.
 673
 674         * tree-core.h (omp_clause_map_kind): Make the identifiers' bit
 675         patterns more obvious.  Add comments.
 676         * omp-low.c (lower_oacc_parallel, lower_omp_target): Test for
 677         omp_clause_map_kind flags set instead of for values.
 678
 679         * gimplify.c (gimplify_call_expr, gimplify_modify_expr)
 680         (omp_firstprivatize_variable, omp_notice_threadprivate_variable)
 681         (omp_notice_variable, gimplify_adjust_omp_clauses)
 682         (gimplify_omp_workshare): Treat ORT_TARGET as a flag, not as a
 683         value.
 684
 685 2013-12-18  Thomas Schwinge  <thomas@codesourcery.com>
 686
 687         * omp-low.c (lower_oacc_parallel): Switch kinds array to unsigned
 688         short, and shift alignment description to begin at bit 8.
 689
 690 2013-12-04  Thomas Schwinge  <thomas@codesourcery.com>
 691
 692         * gimple.h (is_a_helper): Handle GIMPLE_OACC_PARALLEL.
 693
 694 2013-11-30  Balaji V. Iyer  <balaji.v.iyer@intel.com>
 695
 696         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
 697         Removed a carriage return from the warning string.
 698
 699 2013-11-21  Jakub Jelinek  <jakub@redhat.com>
 700
 701         * config/i386/i386.c (ix86_cilkplus_default_vecsize_mangle,
 702         ix86_cilkplus_vecsize_for_mangle): Remove.
 703         (ix86_simd_clone_compute_vecsize_and_simdlen,
 704         ix86_simd_clone_adjust, ix86_simd_clone_usable): New functions.
 705         (TARGET_CILKPLUS_DEFAULT_VECSIZE_MANGLE,
 706         TARGET_CILKPLUS_VECSIZE_FOR_MANGLE): Remove.
 707         (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN,
 708         TARGET_SIMD_CLONE_ADJUST, TARGET_SIMD_CLONE_USABLE): Define.
 709         * omp-low.c (class argno_map): Remove.
 710         (argno_map::argno_map): Remove.
 711         (simd_clone_vector_of_formal_parm_types): New function.
 712         (simd_clone_struct_alloc): Use struct cgraph_simd_clone
 713         instead of struct simd_clone and struct cgraph_simd_clone_arg
 714         instead of struct simd_clone_arg.
 715         (simd_clone_struct_copy): Likewise.
 716         (simd_clone_clauses_extract): Likewise.  Return struct
 717         cgraph_simd_clone *, don't change anything in node.
 718         Use simd_clone_vector_of_formal_parm_types instead of argno_map.
 719         Fail if ignoring linear step.
 720         (vecsize_mangle): Remove.
 721         (simd_clone_compute_base_data_type): Add clone_info argument.
 722         Use simd_clone_vector_of_formal_parm_types instead of argno_map.
 723         (simd_clone_compute_vecsize_and_simdlen): Remove.
 724         (simd_clone_mangle): Remove new_node argument, add clone_info
 725         argument, return the identifier rather than changing anything in
 726         node.  If mangled name doesn't already exist among simd clones,
 727         fail.
 728         (simd_clone_create): Handle !old_node->definition case, don't
 729         ICE if cgraph_function_versioning fails.
 730         (simd_clone_adjust_return_type): Handle simdlens larger than
 731         what can be returned or passed in hw register.  Handle
 732         !node->definition.
 733         (simd_clone_adjust_argument_types): Likewise.  Use
 734         ipa_get_vector_of_formal_parms or
 735         simd_clone_vector_of_formal_parm_types instead of argno_map.
 736         (simd_clone_init_simd_arrays): Handle simdlens larger than
 737         what can be passed in hw register.
 738         (ipa_simd_modify_function_body): Likewise.  Call walk_gimple_op
 739         also on GIMPLE_RETURN.
 740         (simd_clone_adjust): Call targetm.simd_clone.adjust.  Create
 741         PHI for the iter, rather than waiting for into ssa.  Handle
 742         aligned clause on uniform pointer arguments.  Handle linear
 743         arguments properly.
 744         (expand_simd_clones): Don't do anything if noclone attribute
 745         is present.  Ignore non-prototype C declarations.  Rewritten to
 746         only clone if it is possible and desirable to create the simd clone.
 747         Use new target simd_clone hooks to drive the process, allow
 748         creating more than two clones.  Handle !node->definition cloning.
 749         (ipa_omp_simd_clone): Use FOR_EACH_FUNCTION instead of
 750         FOR_EACH_DEFINED_FUNCTION.
 751         (pass_omp_simd_clone::gate): Return true also for flag_openmp_simd.
 752         * ipa-cp.c (determine_versionability): Use simd_clones field instead
 753         of has_simd_clones.  Also fail if node->simdclone is non-NULL.
 754         (initialize_node_lattices): Set disable = true for simd clones.
 755         * cgraph.c (get_simd_clone): Remove.
 756         * ipa.c (symtab_remove_unreachable_nodes): If node with simd clones
 757         is kept, keep also the simd clones.
 758         * ipa-prop.h (ipa_get_vector_of_formal_parm_types): New prototype.
 759         * ipa-prop.c (get_vector_of_formal_parm_types): Renamed to ...
 760         (ipa_get_vector_of_formal_parm_types): ... this.  No longer static.
 761         (ipa_modify_formal_parameters): Adjust caller.
 762         * target.def (TARGET_CILKPLUS_DEFAULT_VECSIZE_MANGLE,
 763         TARGET_CILKPLUS_VECSIZE_FOR_MANGLE): Remove.
 764         (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN,
 765         TARGET_SIMD_CLONE_ADJUST, TARGET_SIMD_CLONE_USABLE): New target
 766         hooks.
 767         * tree-vect-data-refs.c (vect_analyze_data_refs): Use simd_clones
 768         field instead of has_simd_clones.
 769         * target.h (struct cgraph_node, struct cgraph_simd_node): Declare.
 770         * doc/tm.texi.in (TARGET_CILKPLUS_DEFAULT_VECSIZE_MANGLE,
 771         TARGET_CILKPLUS_VECSIZE_FOR_MANGLE): Remove.
 772         (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN,
 773         TARGET_SIMD_CLONE_ADJUST, TARGET_SIMD_CLONE_USABLE): Add.
 774         * doc/tm.texi: Regenerated.
 775         * cgraph.h (enum simd_clone_arg_type): Rename to ...
 776         (enum cgraph_simd_clone_arg_type): ... this.  Add
 777         SIMD_CLONE_ARG_TYPE_MASK.
 778         (struct simd_clone_arg): Rename to ...
 779         (struct cgraph_simd_clone_arg): ... this.  Add orig_type and
 780         vector_type fields.  Adjust arg_type field's type.
 781         (struct simd_clone): Rename to ...
 782         (struct cgraph_simd_clone): ... this.  Remove hw_vector_size
 783         field.  Add vecsize_int, vecsize_float, prev_clone, next_clone
 784         and origin fields.  Adjust args field's type.
 785         (struct cgraph_node): Adjust simdclone field's type.  Remove
 786         simdclone_of and has_simd_clones fields.  Add simd_clones field.
 787         (get_simd_clone): Remove prototype.
 788         * tree-vect-stmts.c (vectorizable_simd_clone_call): Use simd_clones
 789         field instead of has_simd_clones, improve walking of simd clones,
 790         handle arguments and/or return types larger than corresponding
 791         ISA hw vector size, use targetm.simd_clone.usable hook.
 792
 793 2013-11-21  Ilya Tocar  <ilya.tocar@intel.com>
 794
 795         * cgraph.h (symtab_node): Add need_dump.
 796         * cgraphunit.c (ipa_passes): Run ipa_write_summaries for omp.
 797         (compile): Intialize streamer for omp.
 798         * ipa-inline-analysis.c (inline_generate_summary): Add flag_openmp.
 799         * lto-cgraph.c (lto_set_symtab_encoder_in_partition): Respect
 800         need_dump flag.
 801         (select_what_to_dump): New.
 802         * lto-streamer.c (section_name_prefix): New.
 803         (lto_get_section_name): Use section_name_prefix.
 804         (lto_streamer_init): Add flag_openmp.
 805         * lto-streamer.h (OMP_SECTION_NAME_PREFIX): New.
 806         (section_name_prefix): Ditto.
 807         (select_what_to_dump): Ditto.
 808         * lto/lto-partition.c (add_symbol_to_partition_1): Set need_dump.
 809         (lto_promote_cross_file_statics): Dump everyhtinh.
 810         * passes.c (ipa_write_summaries): Add parameter,
 811         call select_what_to_dump.
 812         * tree-pass.h (void ipa_write_summaries): Add parameter.
 813
 814 2013-11-15  Jakub Jelinek  <jakub@redhat.com>
 815
 816         * tree-vect-stmts.c (vectorizable_simd_clone_call): Avoid
 817         -Wsign-compare warning.
 818
 819 2013-11-12  Aldy Hernandez  <aldyh@redhat.com>
 820
 821         * ipa-prop.h (enum ipa_parm_op): Adjust comment to IPA_PARM_OP_NEW
 822         entry.
 823
 824 2013-11-12  Aldy Hernandez  <aldyh@redhat.com>
 825
 826         * ipa-prop.c (ipa_modify_expr): Pass expr by address.
 827         (ipa_get_adjustment_candidate): Add another level of indirection
 828         to expr.  Adjust comment.
 829         (ipa_get_adjustment_candidate): Add another level of indirection
 830         to first argument.
 831
 832 2013-11-11  Aldy Hernandez  <aldyh@redhat.com>
 833
 834         * ipa-prop.c (get_ssa_base_param): New.
 835         * ipa-prop.h (ipa_modify_expr): Rename from ipa_sra_modify_expr.
 836         Remove ipa_sra_modify_function_body.
 837         (ipa_get_adjustment_candidate): Rename from
 838         sra_ipa_get_adjustment_candidate.
 839         * omp-low.c (ipa_simd_modify_stmt_ops): Rename
 840         sra_ipa_get_adjustment_candidate to ipa_get_adjustment_candidate.
 841         * tree-sra.c (get_ssa_base_param): Remove default_def argument.
 842         (create_access): Remove lass argument to get_ssa_base_param.
 843         (disqualify_base_of_expr): Same.
 844         (sra_ipa_get_adjustment_candidate): Rename to
 845         ipa_get_adjustment_candidate and move to ipa-prop.c.
 846         (sra_ipa_modify_expr): Rename to ipa_modify_expr and move to
 847         ipa-prop.c.
 848         (sra_ipa_modify_assign): Rename sra_ipa_modify_expr to
 849         ipa_modify_expr.
 850         (ipa_sra_modify_function_body): Same.
 851
 852 2013-11-11  Jakub Jelinek  <jakub@redhat.com>
 853
 854         * tree-vect-data-refs.c (vect_analyze_data_refs): Check loop->safelen
 855         rather than loop->simdlen.
 856         * tree-vect-stmts.c (vectorizable_simd_clone_call): Likewise.
 857
 858 2013-11-08  Aldy Hernandez  <aldyh@redhat.com>
 859
 860         * ipa-prop.c (ipa_modify_formal_parameters): Remove
 861         synth_parm_prefix argument.
 862         Use operator enum instead of bit fields.
 863         Add assert for properly handling vector of references.
 864         (ipa_modify_call_arguments): Use operator enum instead of bit
 865         fields.
 866         (ipa_combine_adjustments): Same.
 867         Assert that IPA_PARM_OP_NEW is not used.
 868         (ipa_dump_param_adjustments): Rename reduction to new_decl.
 869         Use operator enum instead of bit fields.
 870         * ipa-prop.h (enum ipa_parm_op): New.
 871         (struct ipa_parm_adjustment): New field op.
 872         Rename reduction to new_decl.
 873         Rename new_arg_prefix to arg_prefix.
 874         Remove new_param, remove_param, copy_param.
 875         (ipa_modify_formal_parameters): Remove argument.
 876         * omp-low.c (simd_clone_adjust_argument_types): Set arg_prefix.
 877         Use operator enum instead of bit fields.
 878         (simd_clone_adjust_argument_types): Use operator enum instead of
 879         bit fields.
 880         Remove last argument to ipa_modify_formal_parameters call.
 881         (simd_clone_init_simd_arrays): Use operator enum.
 882         (ipa_simd_modify_stmt_ops): Rename reduction to new_decl.
 883         (ipa_simd_modify_function_body): Same.
 884         * tree-sra.c (turn_representatives_into_adjustments): Use operator
 885         enum.  Set arg_prefix.
 886         (get_adjustment_for_base): Use operator enum.
 887         (sra_ipa_get_adjustment_candidate): Same.
 888         (sra_ipa_modify_expr): Rename reduction to new_decl.
 889         (sra_ipa_reset_debug_stmts): Use operator enum.
 890         (modify_function): Do not pass prefix argument.
 891
 892 2013-11-07  Jakub Jelinek  <jakub@redhat.com>
 893
 894         * tree-vectorizer.h (enum stmt_vec_info_type): Add
 895         call_simd_clone_vec_info_type.
 896         * expr.c (store_constructor): Allow CONSTRUCTOR with VECTOR_TYPE
 897         (same sized) elements even if the type of the CONSTRUCTOR has
 898         vector mode and target is a REG.
 899         * tree-vect-data-refs.c: Include cgraph.h.
 900         (vect_analyze_data_refs): Inline by hand find_data_references_in_loop
 901         and find_data_references_in_bb, if find_data_references_in_stmt
 902         fails, still allow calls to #pragma omp declare simd functions
 903         in #pragma omp simd loops unless they contain data references among
 904         the call arguments or in lhs.
 905         * tree-vect-loop.c (vect_determine_vectorization_factor): If a call
 906         doesn't have lhs, set STMT_VINFO_VECTYPE to vector type corresponding
 907         to any of the argument types and exclude it from adjustments of the
 908         vectorization factor.
 909         * tree-vect-stmts.c: Include tree-ssa-loop.h and
 910         tree-scalar-evolution.h.
 911         (vectorizable_function): Don't handle functions with simd clones here.
 912         (vectorizable_call): Nor here.  Return early if call doesn't have lhs.
 913         (struct simd_call_arg_info): New type.
 914         (vectorizable_simd_clone_call): New function.
 915         (vect_analyze_stmt, vect_transform_stmt): Call it.
 916
 917 2013-11-07  Thomas Schwinge  <thomas@codesourcery.com>
 918
 919         * gimple.def (GIMPLE_OACC_PARALLEL): New code.
 920         * doc/gimple.texi: Document it.
 921         * gimple.h (gimple_build_oacc_parallel): New declaration.
 922         (gimple_oacc_parallel_clauses, gimple_oacc_parallel_clauses_ptr)
 923         (gimple_oacc_parallel_set_clauses, gimple_oacc_parallel_child_fn)
 924         (gimple_oacc_parallel_child_fn_ptr)
 925         (gimple_oacc_parallel_set_child_fn, gimple_oacc_parallel_data_arg)
 926         (gimple_oacc_parallel_data_arg_ptr)
 927         (gimple_oacc_parallel_set_data_arg): New inline functions.
 928         (CASE_GIMPLE_OMP): Add GIMPLE_OACC_PARALLEL.
 929         * gimple.c (gimple_build_oacc_parallel): New function.
 930         (walk_gimple_op, walk_gimple_stmt, gimple_copy): Handle
 931         GIMPLE_OACC_PARALLEL.
 932         * gimplify.c (is_gimple_stmt): Handle GIMPLE_OACC_PARALLEL.
 933         (gimplify_oacc_parallel): New function.
 934         (gimplify_expr): Handle OACC_PARALLEL.
 935         * cgraphbuild.c (build_cgraph_edges): Handle GIMPLE_OACC_PARALLEL.
 936         * gimple-low.c (lower_stmt): Likewise.
 937         * gimple-pretty-print.c (pp_gimple_stmt_1): Likewise.
 938         (dump_gimple_oacc_parallel): New function.
 939         * oacc-builtins.def (BUILT_IN_GOACC_PARALLEL): New macro.
 940         * omp-low.c (scan_oacc_parallel, expand_oacc_parallel)
 941         (lower_oacc_parallel): New functions.
 942         (use_pointer_for_field, build_outer_var_ref, scan_sharing_clauses)
 943         (create_omp_child_function, check_omp_nesting_restrictions)
 944         (scan_omp_1_stmt, lower_rec_simd_input_clauses)
 945         (lower_lastprivate_clauses, lower_reduction_clauses)
 946         (lower_copyprivate_clauses, lower_send_clauses)
 947         (lower_send_shared_vars, expand_omp)
 948         (maybe_add_implicit_barrier_cancel, create_task_copyfn)
 949         (lower_omp_1, make_gimple_omp_edges): Handle GIMPLE_OACC_PARALLEL,
 950         or catch it.
 951         * tree-inline.c (remap_gimple_stmt): Likewise.
 952         * tree-nested.c (convert_nonlocal_reference_stmt)
 953         (convert_local_reference_stmt, convert_tramp_reference_stmt)
 954         (convert_gimple_call): Likewise.
 955
 956         * tree.def (OACC_PARALLEL): New code.
 957         * doc/generic.texi (OpenMP): Document it.
 958         * tree.h (OMP_BODY, OMP_CLAUSES): Include it.
 959         (OACC_PARALLEL_BODY, OACC_PARALLEL_CLAUSES): New macros.
 960         * tree-pretty-print.c (dump_generic_node): Handle OACC_PARALLEL.
 961
 962         * doc/invoke.texi (-fopenacc): Update.
 963
 964         * gimplify.c (gimplify_body): Consider flag_openacc additionally
 965         to flag_openmp.
 966         * omp-low.c (execute_expand_omp, execute_lower_omp)
 967         (gate_diagnose_omp_blocks): Likewise.
 968
 969         * oacc-builtins.def: New file.
 970         * Makefile.in (BUILTINS_DEF): Add oacc-builtins.def.
 971         * builtins.def (DEF_GOACC_BUILTIN): New macro.
 972         Include "oacc-builtins.def".
 973
 974         * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): For -fopenacc, link
 975         to libgomp and its dependencies.
 976         * config/arc/arc.h (LINK_COMMAND_SPEC): Likewise.
 977         * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
 978         * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
 979         * config/ia64/hpux.h (LIB_SPEC): Likewise.
 980         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
 981         * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
 982         * doc/invoke.texi (-fopenacc): Update.
 983
 984         * doc/invoke.texi (-fopenacc): Document it.
 985         * doc/sourcebuild.texi (fopenacc): Document it.
 986
 987         Backport from trunk, r204517:
 988
 989         * config/arc/arc.h (LINK_COMMAND_SPEC): For
 990         -ftree-parallelize-loops=*, link to libgomp and its dependencies.
 991         * config/ia64/hpux.h (LIB_SPEC): Likewise.
 992         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
 993         * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
 994         * gcc.c (GOMP_SELF_SPECS): Update comment about libgomp's
 995         dependencies.
 996
 997 2013-11-07  Aldy Hernandez  <aldyh@redhat.com>
 998
 999         * omp-low.c (ipa_simd_modify_function_body): Avoid
1000         regimplification of GIMPLE_RETURNs.
1001
1002 2013-11-06  Aldy Hernandez  <aldyh@redhat.com>
1003
1004         * ipa-prop.h (sra_ipa_get_adjustment_candidate): Protoize.
1005         * omp-low.c (struct modify_stmt_info): New.
1006         (ipa_simd_modify_function_body_ops_1): Remove.
1007         (ipa_simd_modify_stmt_ops): New.
1008         (ipa_simd_modify_function_body_ops): Remove.
1009         (ipa_simd_modify_function_body): Set new callback info.
1010         Remove special casing.  Handle all operators with walk_gimple_op.
1011         * tree-sra.c (get_ssa_base_param): Add new argument.  Use it.
1012         (disqualify_base_of_expr): Pass new argument to
1013         get_ssa_base_param.
1014         (sra_ipa_modify_expr): Abstract candidate search into...
1015         (sra_ipa_get_adjustment_candidate): ...here.
1016
1017 2013-11-06  Aldy Hernandez  <aldyh@redhat.com>
1018
1019         * omp-low.c (simd_clone_mangle): Linear step of 1 is mangled as
1020         'l'.
1021
1022 2013-11-04  Aldy Hernandez  <aldyh@redhat.com>
1023
1024         * omp-low.c (ipa_simd_modify_function_body): Adjust tree operands
1025         on the LHS of an assign.
1026         (ipa_simd_modify_function_body_ops_1): New.
1027         (ipa_simd_modify_function_body_ops): New.
1028
1029 2013-11-02  Aldy Hernandez  <aldyh@redhat.com>
1030
1031         * omp-low.c (ipa_simd_modify_function_body): Handle empty returns.
1032
1033 2013-11-01  Jakub Jelinek  <jakub@redhat.com>
1034
1035         * cgraph.h (enum linear_stride_type): Remove.
1036         (enum simd_clone_arg_type): New.
1037         (struct simd_clone_arg): Remove linear_stride, linear_stride_num
1038         and uniform fields.  Add arg_type and linear_step.
1039         * omp-low.c (simd_clone_struct_copy): Formatting.
1040         (simd_clone_struct_alloc): Likewise.  Use size_t.
1041         (simd_clone_clauses_extract, simd_clone_compute_base_data_type,
1042         simd_clone_adjust_argument_types): Adjust for struct simd_clone_arg
1043         changes.
1044         (simd_clone_mangle): Likewise.  Handle negative linear step.
1045
1046 2013-11-01  Aldy Hernandez  <aldyh@redhat.com>
1047
1048         * tree-vect-stmts.c: Include cgraph.h.
1049         (vectorizable_call): Allow > 3 arguments when a SIMD clone may be
1050         available.
1051         (vectorizable_function): Use SIMD clone if available.
1052         * ipa-cp.c (determine_versionability): Nodes with SIMD clones are
1053         not versionable.
1054         * ggc.h (ggc_alloc_cleared_simd_clone_stat): New.
1055         * cgraph.h (enum linear_stride_type): New.
1056         (struct simd_clone_arg): New.
1057         (struct simd_clone): New.
1058         (struct cgraph_node): Add simdclone and simdclone_of fields.
1059         (get_simd_clone): Protoize.
1060         * cgraph.c (get_simd_clone): New.
1061         Add `has_simd_clones' field.
1062         * ipa-cp.c (determine_versionability): Disallow functions with
1063         simd clones.
1064         * ipa-prop.h (ipa_sra_modify_function_body): Protoize.
1065         (sra_ipa_modify_expr): Same.
1066         (struct ipa_parm_adjustment): Add new_arg_prefix and new_param
1067         fields.  Document their use.
1068         * ipa-prop.c (ipa_modify_formal_parameters): Handle creating brand
1069         new parameters and minor cleanups.
1070         * omp-low.c: Add new pass_omp_simd_clone support code.
1071         (make_pass_omp_simd_clone): New.
1072         (pass_data_omp_simd_clone): Declare.
1073         (class pass_omp_simd_clone): Declare.
1074         (vecsize_mangle): New.
1075         (ipa_omp_simd_clone): New.
1076         (simd_clone_clauses_extract): New.
1077         (simd_clone_compute_base_data_type): New.
1078         (simd_clone_compute_vecsize_and_simdlen): New.
1079         (simd_clone_create): New.
1080         (simd_clone_adjust_return_type): New.
1081         (simd_clone_adjust_return_types): New.
1082         (simd_clone_adjust): New.
1083         (simd_clone_init_simd_arrays): New.
1084         (ipa_simd_modify_function_body): New.
1085         (simd_clone_mangle): New.
1086         (simd_clone_struct_alloc): New.
1087         (simd_clone_struct_copy): New.
1088         (class argno_map): New.
1089         (argno_map::argno_map(tree)): New.
1090         (argno_map::~argno_map): New.
1091         (argno_map::operator []): New.
1092         (argno_map::length): New.
1093         (expand_simd_clones): New.
1094         (create_tmp_simd_array): New.
1095         * tree.h (OMP_CLAUSE_LINEAR_VARIABLE_STRIDE): New.
1096         * tree-core.h (OMP_CLAUSE_LINEAR_VARIABLE_STRIDE): Document.
1097         * tree-pass.h (make_pass_omp_simd_clone): New.
1098         * passes.def (pass_omp_simd_clone): New.
1099         * target.def: Define new hook prefix "TARGET_CILKPLUS_".
1100         (default_vecsize_mangle): New.
1101         (vecsize_for_mangle): New.
1102         * doc/tm.texi.in: Add placeholder for
1103         TARGET_CILKPLUS_DEFAULT_VECSIZE_MANGLE and
1104         TARGET_CILKPLUS_VECSIZE_FOR_MANGLE.
1105         * tree-sra.c (sra_ipa_modify_expr): Remove static modifier.
1106         (ipa_sra_modify_function_body): Same.
1107         * tree.h (OMP_CLAUSE_LINEAR_VARIABLE_STRIDE): Define.
1108         * doc/tm.texi: Regenerate.
1109         * config/i386/i386.c (ix86_cilkplus_default_vecsize_mangle): New.
1110         (ix86_cilkplus_vecsize_for_mangle): New.
1111         (TARGET_CILKPLUS_DEFAULT_VECSIZE_MANGLE): New.
1112         (TARGET_CILKPLUS_VECSIZE_FOR_MANGLE): New.
1113
1114 2013-10-10  Jakub Jelinek  <jakub@redhat.com>
1115
1116         * tree.c (omp_remove_redundant_declare_simd_attrs): Adjust
1117         for the clauses being stored into TREE_VALUE of an extra TREE_LIST
1118         pointed out by TREE_VALUE of the attribute.
1119
1120 2013-10-04  Jakub Jelinek  <jakub@redhat.com>
1121
1122         * omp-low.c (expand_omp_target): When handling IF clause on
1123         #pragma omp target, split new_bb rather than entry_bb.  If
1124         not GF_OMP_TARGET_KIND_REGION, split new_bb right before
1125         the GOMP_TARGET stmt, rather than after labels.
1126
1127 2013-09-26  Jakub Jelinek  <jakub@redhat.com>
1128
1129         * omp-low.c (expand_task_call): If there are depend clauses,
1130         pass bit 8 in 7th argument and pass pointer to depend array
1131         as 8th argument.
1132         (lower_depend_clauses): New function.
1133         (lower_omp_taskreg): Handle depend clauses.
1134         * omp-builtins.def (BUILT_IN_GOMP_TASK): Use
1135         BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR
1136         instead of BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT.
1137         * builtin-types.def
1138         (BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): Remove.
1139         (BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR): New.
1140
1141 2013-09-25  Jakub Jelinek  <jakub@redhat.com>
1142
1143         * omp-low.c (lower_omp_sections, lower_omp_for, lower_omp_taskreg):
1144         Emit ctx->cancel_label before destructors.
1145
1146         * gimple-pretty-print.c (dump_gimple_omp_block,
1147         pp_gimple_stmt_1): Handle GIMPLE_OMP_TASKGROUP.
1148         * tree-nested.c (convert_nonlocal_reference_stmt,
1149         convert_local_reference_stmt, convert_gimple_call): Likewise.
1150         * tree-cfg.c (make_edges): Likewise.
1151         * gimple.h (gimple_build_omp_taskgroup): New prototype.
1152         (gimple_has_substatement): Handle GIMPLE_OMP_TASKGROUP.
1153         (CASE_GIMPLE_OMP): Likewise.
1154         * gimplify.c (is_gimple_stmt, gimplify_expr): Handle OMP_TASKGROUP.
1155         * omp-low.c (check_omp_nesting_restrictions): Warn if #pragma omp
1156         cancel is used in nowait loop or sections construct.
1157         (scan_omp_1_stmt, expand_omp_synch, expand_omp, lower_omp_1): Handle
1158         GIMPLE_OMP_TASKGROUP.
1159         (diagnose_sb_1, diagnose_sb_2): Likewise.  Handle GIMPLE_OMP_TARGET
1160         and GIMPLE_OMP_TEAMS.
1161         (lower_omp_taskgroup): New function.
1162         * tree-inline.c (remap_gimple_stmt, estimate_num_insns): Handle
1163         GIMPLE_OMP_TASKGROUP.
1164         * gimple-low.c (lower_stmt): Likewise.
1165         * tree.h (OMP_TASKGROUP_BODY): Define.
1166         * tree.def (OMP_TASKGROUP): New tree.
1167         * tree-pretty-print.c (dump_generic_node): Handle OMP_TASKGROUP.
1168         * gimple.c (gimple_build_omp_taskgroup): New function.
1169         (walk_gimple_stmt, gimple_copy): Handle GIMPLE_OMP_TASKGROUP.
1170         * gimple.def (GIMPLE_OMP_TASKGROUP): New GIMPLE code.
1171
1172 2013-09-19  Jakub Jelinek  <jakub@redhat.com>
1173
1174         * omp-builtins.def (BUILT_IN_GOMP_TARGET_DATA,
1175         BUILT_IN_GOMP_TARGET_UPDATE): Use BT_FN_VOID_INT_PTR_SIZE_PTR_PTR_PTR
1176         rather than BT_FN_VOID_INT_SIZE_PTR_PTR_PTR.
1177         * builtin-types.def (BT_FN_VOID_INT_SIZE_PTR_PTR_PTR): Remove.
1178         (BT_FN_VOID_INT_PTR_SIZE_PTR_PTR_PTR): New.
1179         * omp-low.c (expand_omp_target): Remove fnname argument from
1180         GOMP_target, add openmp_target argument to GOMP_target,
1181         GOMP_target_data and GOMP_target_update calls.
1182
1183 2013-09-18  Jakub Jelinek  <jakub@redhat.com>
1184
1185         * tree.h (OMP_CLAUSE_REDUCTION_OMP_ORIG_REF): Define.
1186         * tree-core.h (OMP_CLAUSE_REDUCTION_OMP_ORIG_REF): Document.
1187         * omp-low.c (lower_rec_simd_input_clauses): Don't set DECL_VALUE_EXPR
1188         on new_var if it is not a DECL_P.
1189         (lower_rec_input_clauses): Don't force max_vf = 1
1190         if OMP_CLAUSE_REDUCTION_PLACEHOLDER.  Add barrier also if any
1191         OMP_CLAUSE_REDUCTION_OMP_ORIG_REF is seen.  For OMP_CLAUSE_PRIVATE
1192         in simd, fix last argument to omp_clause_default_ctor langhook.
1193         Handle OMP_CLAUSE_REDUCTION_PLACEHOLDER in simd loops, if
1194         OMP_CLAUSE_REDUCTION_GIMPLE_INIT is NULL, emit omp_clause_default_ctor
1195         if any and emit omp_clause_dtor if any.  Handle C++ references in
1196         OMP_CLAUSE_REDUCTION clauses.
1197         (lower_reduction_clauses): Adjust comment for UDRs.  Handle
1198         C++ references in OMP_CLAUSE_REDUCTION clauses.
1199         (lower_omp_taskreg): Emit reduction merges before destructors.
1200         * tree-pretty-print.c (dump_omp_clause): Don't emit any reduction
1201         operator name if OMP_CLAUSE_REDUCTION_CODE is ERROR_MARK.
1202         * gimplify.c (omp_add_variable): Ignore GOVD_LOCAL decls for which
1203         privatize_by_reference returns true.
1204
1205         * tree-core.h (OMP_CLAUSE_DEPEND_KIND, OMP_CLAUSE_MAP_KIND,
1206         OMP_CLAUSE_MAP_ZERO_BIAS_ARRAY_SECTION, OMP_CLAUSE_PROC_BIND_KIND):
1207         Move definitions...
1208         * tree.h (OMP_CLAUSE_DEPEND_KIND, OMP_CLAUSE_MAP_KIND,
1209         OMP_CLAUSE_MAP_ZERO_BIAS_ARRAY_SECTION, OMP_CLAUSE_PROC_BIND_KIND):
1210         ... here.
1211
1212 2013-09-16  Jakub Jelinek  <jakub@redhat.com>
1213
1214         * omp-low.c (install_var_field): Use (mask & 4) to request double
1215         indirection.
1216         (scan_sharing_clauses): For OMP_CLAUSE_MAP_POINTER arrays pass
1217         7 instead of 3 to install_var_field.
1218         (lower_omp_target): For OMP_CLAUSE_MAP_POINTER arrays add extra
1219         indirection.
1220
1221 2013-09-06  Jakub Jelinek  <jakub@redhat.com>
1222
1223         * omp-low.c (scan_sharing_clauses): Handle VLAs in
1224         OMP_CLAUSE_{MAP,TO,FROM}.  Set DECL_ALIGN (field) before
1225         calling insert_field_into_struct.
1226         (scan_omp_target): Reverse TYPE_FIELDS, verify that
1227         all field alignments are the same.
1228         (lower_omp_target): Use maybe_lookup_field instead of
1229         lookup_sfield to check if field is present.  Handle VLAs.
1230         * tree-pretty-print.c (dump_omp_clause): Only check
1231         OMP_CLAUSE_MAP_KIND on OMP_CLAUSE_MAP clauses.
1232         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_MAP_TO_ONLY.
1233         (omp_firstprivatize_variable, omp_add_variable,
1234         gimplify_adjust_omp_clauses_1, gimplify_adjust_omp_clauses): Handle
1235         VLAs in OMP_CLAUSE_{MAP,TO,FROM}.
1236
1237 2013-09-05  Jakub Jelinek  <jakub@redhat.com>
1238
1239         * gimplify.c (gimplify_call_expr): Don't call fold_stmt
1240         inside of #pragma omp target construct.
1241         (gimplify_modify_expr): Likewise.
1242         * omp-low.c (target_nesting_level): New variable.
1243         (lower_omp_target): Increase/restore target_nesting_level
1244         around lowering #pragma omp target body.  Use TYPE_SIZE_UNIT
1245         instead of TYPE_SIZE if OMP_CLAUSE_SIZE is missing.
1246         Or log2 of needed alignment into high 5 bits of kind.
1247         (lower_omp): Call fold_stmt on all stmts inside of
1248         #pragma omp target construct.
1249
1250         * tree-cfg.c (make_edges): For GIMPLE_OMP_TARGET
1251         with GF_OMP_TARGET_KIND_UPDATE, don't look for
1252         GIMPLE_OMP_RETURN and immediately restore previous
1253         region.
1254         * langhooks.c (lhd_omp_mappable_type): New function.
1255         * omp-low.c (scan_sharing_clauses): Ignore OMP_CLAUSE_SHARED
1256         in GIMPLE_OMP_TEAMS constructs.  Handle OMP_CLAUSE_NUM_TEAMS,
1257         OMP_CLAUSE_THREAD_LIMIT, OMP_CLAUSE_DEVICE, OMP_CLAUSE_MAP,
1258         OMP_CLAUSE_TO and OMP_CLAUSE_FROM.
1259         (create_omp_child_function): If current function has
1260         "omp declare target" attribute or if current region
1261         is OMP_TARGET or lexically nested in it, add that
1262         attribute to the omp child function.
1263         (scan_omp_target, scan_omp_teams): New functions.
1264         (check_omp_nesting_restrictions): Fix a typo in TEAMS nesting
1265         check.
1266         (scan_omp_1_stmt): Handle GIMPLE_OMP_TARGET and GIMPLE_OMP_TEAMS.
1267         (lower_rec_input_clauses): Ignore OMP_CLAUSE_SHARED
1268         in GIMPLE_OMP_TEAMS constructs.
1269         (expand_omp_synch): Handle GIMPLE_OMP_TEAMS.
1270         (expand_omp_target): New function.
1271         (expand_omp): Handle GIMPLE_OMP_TARGET and GIMPLE_OMP_TEAMS.
1272         (build_omp_regions_1): For GIMPLE_OMP_TARGET with
1273         GF_OMP_TARGET_KIND_UPDATE, don't look for GIMPLE_OMP_RETURN and
1274         immediately restore previous region.
1275         (lower_omp_single): Emit a CLOBBER stmt after GIMPLE_OMP_RETURN.
1276         (lower_omp_taskreg): Likewise.
1277         (lower_omp_target, lower_omp_teams): New functions.
1278         (lower_omp_1): Handle GIMPLE_OMP_TARGET and GIMPLE_OMP_TEAMS.
1279         * tree.h (enum omp_clause_map_kind): Improve description of
1280         OMP_CLAUSE_MAP_POINTER.
1281         (OMP_CLAUSE_MAP_ZERO_BIAS_ARRAY_SECTION): Define.
1282         * gimple.def (GIMPLE_OMP_TARGET): Use GSS_OMP_PARALLEL instead
1283         of GSS_OMP_SINGLE.
1284         * langhooks.h (struct lang_hooks_for_types): Add
1285         omp_mappable_type hook.
1286         * langhooks-def.h (lhd_omp_mappable_type): New prototype.
1287         (LANG_HOOKS_OMP_MAPPABLE_TYPE): Define.
1288         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
1289         * gimple.h (gimple_omp_target_clauses, gimple_omp_target_clauses_ptr,
1290         gimple_omp_target_set_clauses): Use gimple_omp_parallel
1291         instead of gimple_omp_single.
1292         (gimple_omp_target_child_fn, gimple_omp_target_child_fn_ptr,
1293         gimple_omp_target_set_child_fn, gimple_omp_target_data_arg,
1294         gimple_omp_target_data_arg_ptr, gimple_omp_target_set_data_arg): New
1295         inlines.
1296         * omp-builtins.def (BUILT_IN_GOMP_TARGET, BUILT_IN_GOMP_TARGET_DATA,
1297         BUILT_IN_GOMP_TARGET_END_DATA, BUILT_IN_GOMP_TARGET_UPDATE,
1298         BUILT_IN_GOMP_TEAMS): New builtins.
1299         * gimple-pretty-print.c (dump_gimple_omp_target): Print child_fn
1300         for #pragma omp target.
1301         * gimplify.c (omp_notice_variable): Diagnose if implicitly mapped
1302         decl doesn't have mappable type.
1303         (gimplify_scan_omp_clauses): For OMP_CLAUSE_MAP don't clear
1304         notice_outer.
1305         (gimplify_adjust_omp_clauses_1): Add OMP_CLAUSE_MAP even if the same
1306         decl is already referenced in target data construct surrounding it.
1307         (gimplify_adjust_omp_clauses): Likewise.  Handle
1308         OMP_CLAUSE_THREAD_LIMIT.
1309         (gimplify_omp_workshare): Fix up gimplification of target or target
1310         data construct body.  For target data add GOMP_target_end_data
1311         call in a try/finally cleanup.
1312         * builtin-types.def (BT_FN_VOID_UINT_UINT,
1313         BT_FN_VOID_INT_SIZE_PTR_PTR_PTR,
1314         BT_FN_VOID_INT_OMPFN_PTR_SIZE_PTR_PTR_PTR): New.
1315
1316 2013-07-14  Jakub Jelinek  <jakub@redhat.com>
1317
1318         * tree.h (omp_declare_simd_clauses_equal): Remove prototype.
1319         (omp_remove_redundant_declare_simd_attrs): New prototype.
1320         * tree.c (omp_declare_simd_clauses_equal): Make static.
1321         (omp_remove_redundant_declare_simd_attrs): New function.
1322
1323 2013-07-09  Jakub Jelinek  <jakub@redhat.com>
1324
1325         * gimple-pretty-print.c (dump_gimple_omp_return): Print
1326         gimple_omp_return_lhs if non-NULL.
1327         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
1328         call_may_clobber_ref_p_1): Handle BUILT_IN_GOMP_BARRIER_CANCEL,
1329         BUILT_IN_GOMP_LOOP_END_CANCEL, BUILT_IN_GOMP_SECTIONS_END_CANCEL.
1330         * gimple.h (gimple_omp_return_set_lhs, gimple_omp_return_lhs,
1331         gimple_omp_return_lhs_ptr): New inlines.
1332         * gimple.def (GIMPLE_OMP_RETURN): Use GSS_OMP_ATOMIC_STORE
1333         instead of GSS_BASE.
1334         * gimple.c (walk_gimple_op) <case GIMPLE_OMP_RETURN>: Walk lhs.
1335         * builtin-types.def (BT_FN_BOOL_INT, BT_FN_BOOL_INT_BOOL): New.
1336         * omp-builtins.def (BUILT_IN_GOMP_CANCELLATION_POINT): Use
1337         ATTR_NOTHROW_LEAF_LIST instead of ATTR_NULL.  Return type is now
1338         bool.
1339         (BUILT_IN_GOMP_CANCEL): Likewise.  Add second argument with bool type.
1340         (BUILT_IN_BARRIER_CANCEL, BUILT_IN_GOMP_LOOP_END_CANCEL,
1341         BUILT_IN_GOMP_SECTIONS_END_CANCEL): New builtins.
1342         * omp-low.c (struct omp_context): Add cancel_label and cancellable
1343         fields.
1344         (extract_omp_for_data): Set have_nowait even for simd implicitly.
1345         (check_omp_nesting_restrictions): Verify nesting restrictions for
1346         #pragma omp cancel and #pragma omp cancellation point.
1347         Set ctx->cancellable for regions that can be cancelled or also
1348         for any task region that contains #pragma omp cancellation point.
1349         (scan_omp_1_stmt): Check nesting restrictions even if ctx == NULL.
1350         (build_omp_barrier): Return gimple instead of tree, add lhs argument,
1351         if non-NULL, build GOMP_barrier_cancel builtin instead and set its
1352         call lhs to lhs.
1353         (lower_rec_input_clauses): Adjust build_omp_barrier caller.
1354         (expand_omp_for_static_nochunk, expand_omp_for_static_chunk,
1355         expand_omp_single): Likewise.  If OMP_RETURN has lhs, pass it to
1356         build_omp_barrier.
1357         (expand_omp_for_generic): If OMP_RETURN has lhs, use
1358         GOMP_loop_end_cancel libcall instead of GOMP_loop_end and set its
1359         lhs from OMP_RETURN's lhs.
1360         (expand_omp_sections): If OMP_RETURN has lhs, use
1361         GOMP_sections_end_cancel libcall instead of GOMP_sections_end and set
1362         its lhs from OMP_RETURN's lhs.
1363         (maybe_add_implicit_barrier_cancel): New function.
1364         (lower_omp_sections): If ctx->cancellable, emit cancel_label before
1365         OMP_RETURN.  Call maybe_add_implicit_barrier_cancel.
1366         (lower_omp_for): Likewise.
1367         (lower_omp_single): Call maybe_add_implicit_barrier_cancel.
1368         (lower_omp_taskreg): If ctx->cancellable, emit cancel_label before
1369         OMP_RETURN.
1370         (lower_omp_1): If ctx->cancellable, create ctx->cancel_label.
1371         Adjust GOMP_barrier libcalls to GOMP_barrier_cancel plus conditional
1372         branch in cancellable regions, adjust GOMP_cancel and
1373         GOMP_cancellation_point in cancellable regions or remove
1374         GOMP_cancellation_point in non-cancellable regions.
1375
1376 2013-07-03  Jakub Jelinek  <jakub@redhat.com>
1377
1378         * omp-low.c (expand_omp_single): Don't force barrier for
1379         copyprivate.
1380
1381 2013-06-28  Jakub Jelinek  <jakub@redhat.com>
1382             Aldy Hernandez  <aldyh@redhat.com>
1383
1384         * internal-fn.def (GOMP_SIMD_LANE, GOMP_SIMD_VF,
1385         GOMP_SIMD_LAST_LANE): New internal functions.
1386         * omp-low.c (omp_max_vf, lower_rec_simd_input_clauses): New
1387         functions.
1388         (lower_rec_input_clauses): Add fd argument.  Enforce max_vf = 1
1389         if any data sharing clauses mention VLAs or for array reductions.
1390         Handle OMP_CLAUSE__LOOPTEMP_ clause.  For
1391         OMP_CLAUSE_{{FIRST,LAST,}PRIVATE,LINEAR,REDUCTION} on SIMD
1392         constructs use "omp simd array" temporaries.  For OMP_CLAUSE_LINEAR
1393         adjust initial value in combined constructs.  Don't emit any
1394         barriers for #pragma omp distribute.  If max_vf is lower than
1395         current safelen, prepend an OMP_CLAUSE_SAFELEN clause.
1396         (lower_lastprivate_clauses): Handle "omp simd array" temporaries.
1397         (lower_reduction_clauses): Exit early for #pragma omp simd.
1398         (expand_omp_simd): Set loop->simduid from OMP_CLAUSE__SIMDUID_
1399         and cfun->has_simduid_loops if set.
1400         If OMP_CLAUSE_SAFELEN (1) is present, don't set loop->safelen
1401         nor loop->force_vect.
1402         (lower_omp_sections, lower_omp_single, lower_omp_taskreg): Adjust
1403         lower_rec_input_clauses callers.
1404         (lower_omp_for_lastprivate): Unshare vinit.
1405         (lower_omp_for): Add OMP_CLAUSE__LOOPTEMP_ clauses before calling
1406         lower_rec_input_clauses.  Adjust lower_rec_input_clauses caller.
1407         Always call lower_omp_for_lastprivate at the same place, even for
1408         #pragma omp simd.
1409         * tree.h (enum clause_code): Add OMP_CLAUSE__SIMDUID_.
1410         (OMP_CLAUSE__SIMDUID__DECL): Define.
1411         * tree-vectorizer.c: Include hash-table.h and tree-ssa-propagate.h.
1412         (simduid_to_vf, decl_to_simduid): New classes.
1413         (simduid_to_vf::hash, simduid_to_vf::equal, decl_to_simduid::hash,
1414         decl_to_simduid::equal): New methods.
1415         (note_simd_array_uses_struct): New struct.
1416         (adjust_simduid_builtins, note_simd_array_uses_cb,
1417         note_simd_array_uses): New functions.
1418         (vectorize_loops): Adjust "omp simd array" temporary array sizes
1419         and fold GOMP_SIMD_{LANE,VF,LAST_LANE} builtins.
1420         * tree-vectorizer.h (struct _stmt_vec_info): Add simd_lane_access_p
1421         field.
1422         (STMT_VINFO_SIMD_LANE_ACCESS_P): Define.
1423         * tree-data-ref.c (get_references_in_stmt): Allow GOMP_SIMD_LANE
1424         builtins in their own loops.
1425         * tree-inline.c (copy_cfg_body): Propagate has_force_vect_loops
1426         and has_simduid_loops.
1427         * function.h (struct function): Add has_simduid_loops field.
1428         * tree-ssa-ccp.c (likely_value): For GOMP_SIMD_{LANE,LAST_LANE,VF}
1429         builtins ignore the undefined magic argument.
1430         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__SIMDUID_
1431         clause.
1432         * cfgloop.h (struct loop): Add simduid field.
1433         * Makefile.in (tree-vectorizer.o): Depend on $(HASH_TABLE_H)
1434         and tree-ssa-propagate.h.
1435         * tree-vect-data-refs.c (vect_analyze_data_refs): Check for SIMD
1436         lane access.
1437         * gimplify.c (omp_add_variable): Handle combination of aligned
1438         clause and some data sharing clause for the same decl.
1439         (gimplify_omp_for): For collapse (2) and above simd loops
1440         predetermine loop iteration vars as lastprivate instead of
1441         linear.
1442         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add
1443         entries for OMP_CLAUSE__SIMDUID_.
1444         (walk_tree_1): Handle OMP_CLAUSE__SIMDUID_.
1445         * tree-vect-loop.c (vectorizable_live_operation): Handle live
1446         GOMP_SIMD_LANE result.
1447         * tree-vect-stmts.c (vectorizable_call): Vectorize GOMP_SIMD_LANE
1448         builtin.
1449         (vectorizable_store, vectorizable_load): Handle
1450         STMT_VINFO_SIMD_LANE_ACCESS_P.
1451         * internal-fn.c (expand_GOMP_SIMD_LANE, expand_GOMP_SIMD_VF,
1452         expand_GOMP_SIMD_LAST_LANE): New functions.
1453
1454 2013-06-21  Jakub Jelinek  <jakub@redhat.com>
1455
1456         * gimple.h (enum gf_mask): Adjust GF_OMP_FOR_COMBINED
1457         value representation, add GF_OMP_FOR_COMBINED_INTO.
1458         (gimple_omp_for_combined_into_p,
1459         gimple_omp_for_set_combined_into_p): New inlines.
1460         * gimplify.c (enum omp_region_type): Remove outdated
1461         ORT_SIMD comment.
1462         (struct gimplify_omp_ctx): Add combined_loop field.
1463         (gimplify_omp_for): Call gimple_omp_for_set_combined_into_p
1464         for inner for/simd constructs combined with an outer
1465         loop construct (for or distribute).
1466         * tree.c (omp_clause_num_ops): Add OMP_CLAUSE__LOOPTEMP_
1467         entry.
1468         (omp_clause_code_name): Likewise.
1469         (walk_tree_1): Handle OMP_CLAUSE__LOOPTEMP_.
1470         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__LOOPTEMP_.
1471         * tree.h (enum omp_clause_code): Add OMP_CLAUSE__LOOPTEMP_.
1472         (OMP_CLAUSE_DECL): Allow also on OMP_CLAUSE__LOOPTEMP_.
1473         * omp-low.c (extract_omp_for_data): Rename non_ws to simd.  Don't set
1474         fd->chunk_size for non-chunk OMP_CLAUSE_SCHEDULE_STATIC, unless
1475         fd->have_ordered.  For OMP_CLAUSE_SCHEDULE_STATIC non-ordered loops
1476         compute fd->iter_type the same as for simd.
1477         (get_ws_args_for): Add par_stmt argument, if
1478         gimple_omp_for_combined_into_p, use first two _looptemp_ clauses
1479         temporaries instead of fd->loop.n{1,2}.
1480         (determine_parallel_type): Adjust caller.
1481         (scan_sharing_clauses): Handle OMP_CLAUSE__LOOPTEMP_.
1482         (find_combined_for): New function.
1483         (scan_omp_parallel): If gimple_omp_parallel_combined_p and
1484         it is combined with gimple_omp_for_combined_into_p OMP_FOR,
1485         add OMP_CLAUSE__LOOPTEMP_ clauses to the parallel.
1486         (check_omp_nesting_restrictions): Don't insist that the only construct
1487         nested in OMP_DISTRIBUTE must be OMP_PARALLEL.
1488         (lower_rec_input_clauses, lower_send_clauses): Handle
1489         OMP_CLAUSE__LOOPTEMP_.
1490         (expand_omp_for_init_counts, expand_omp_for_init_vars,
1491         extract_omp_for_update_vars): New functions.
1492         (expand_omp_for_generic): Add inner_stmt argument.  Use
1493         expand_omp_for_{init,update}* helper functions.  Handle combined loop
1494         constructs.
1495         (expand_omp_for_static_nochunk, expand_omp_for_static_chunk):
1496         Likewise.  Handle fd->collapse > 1 and broken_loop cases.
1497         (expand_omp_simd): Use expand_omp_for_init* helper functions.  Handle
1498         combined loop constructs.
1499         (expand_omp_for): Add inner_stmt argument.  Pass it through to
1500         expand_omp_for_{generic,static_{,no}chunk}.  Use
1501         expand_omp_for_static* even for fd->collapse > 1 and/or broken_loop
1502         cases, just not when fd->have_ordered.
1503         (expand_omp): Adjust expand_omp_for caller.
1504         (lower_omp_for): If gimple_omp_parallel_combined_p, add
1505         OMP_CLAUSE__LOOPTEMP_ clauses to the GIMPLE_FOR stmt.
1506
1507 2013-06-14  Jakub Jelinek  <jakub@redhat.com>
1508
1509         * gimple-pretty-print.c (dump_gimple_omp_for): Don't handle
1510         GF_OMP_FOR_KIND_FOR_SIMD.
1511         * gimple.h (GF_OMP_FOR_KIND_FOR_SIMD): Remove.
1512         (GF_OMP_FOR_COMBINED): New.
1513         (gimple_omp_for_combined_p, gimple_omp_for_set_combined_p): New
1514         inline functions.
1515         * gimplify.c (is_gimple_stmt): Don't handle OMP_FOR_SIMD.
1516         (find_combined_omp_for): New function.
1517         (gimplify_omp_for): Handle combined OMP_DISTRIBUTE and OMP_FOR
1518         loops.
1519         * Makefile.in (c-family/c-omp.o): Depend on $(C_PRAGMA_H).
1520         * omp-low.c (build_outer_var_ref): Fix up simd handling.
1521         (check_omp_nesting_restrictions): Don't handle
1522         GF_OMP_FOR_KIND_FOR_SIMD.
1523         * tree.def (OMP_FOR_SIMD): Remove.
1524         * tree-pretty-print.c (dump_generic_node): Don't handle OMP_FOR_SIMD.
1525         Handle NULL OMP_FOR_INIT.
1526
1527 2013-06-12  Jakub Jelinek  <jakub@redhat.com>
1528
1529         * gimplify.c (gimplify_scan_omp_clauses): Handle
1530         OMP_CLAUSE_THREAD_LIMIT.
1531         * tree-pretty-print.c (dump_omp_clause): Likewise.
1532         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add entries for
1533         OMP_CLAUSE_THREAD_LIMIT.
1534         * tree.h (enum omp_clause_code): Add OMP_CLAUSE_THREAD_LIMIT.
1535         (OMP_CLAUSE_THREAD_LIMIT_EXPR): Define.
1536
1537 2013-06-04  Jakub Jelinek  <jakub@redhat.com>
1538
1539         * gimplify.c (gimplify_scan_omp_clauses): Handle array
1540         sections on OMP_CLAUSE_{MAP,TO,FROM} clauses, handle
1541         OMP_CLAUSE_DEPEND clause.
1542         (gimplify_adjust_omp_clauses): Handle array sections on
1543         OMP_CLAUSE_MAP, handle OMP_CLAUSE_DEPEND clause.
1544         * tree.c (omp_clause_num_ops): OMP_CLAUSE_{MAP,TO,FROM}
1545         now have 2 arguments, move OMP_CLAUSE_UNIFORM before these
1546         3.
1547         (omp_clause_code_name): Adjust for OMP_CLAUSE_UNIFORM movement.
1548         (walk_tree_1): Adjust to handle 2 arguments of
1549         OMP_CLAUSE_{MAP,TO,FROM}.
1550         * tree-pretty-print.c (dump_omp_clause): For OMP_CLAUSE_{MAP,TO,FROM}
1551         print OMP_CLAUSE_SIZE, and for OMP_CLAUSE_MAP handle
1552         OMP_CLAUSE_MAP_POINTER.
1553         * tree.h (enum omp_clause_code): Move OMP_CLAUSE_UNIFORM before
1554         OMP_CLAUSE_{MAP,TO,FROM}.
1555         (OMP_CLAUSE_SIZE): Define.
1556         (enum omp_clause_map_kind): Add OMP_CLAUSE_MAP_POINTER.
1557         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE_DEPEND.
1558
1559 2013-05-29  Jakub Jelinek  <jakub@redhat.com>
1560
1561         * omp-builtins.def (BUILT_IN_OMP_GET_TEAM_NUM,
1562         BUILT_IN_OMP_GET_NUM_TEAMS): New built-ins.
1563         * omp-low.c (extract_omp_for_data, expand_omp_for_static_nochunk,
1564         expand_omp_for_static_chunk): Handle #pragma omp distribute.
1565         (expand_omp_for): Add assertion for non-finished distribute collapse
1566         > 1 support.
1567         (check_omp_nesting_restrictions): Allow orphaned distribute construct.
1568
1569         * omp-low.c (check_omp_nesting_restrictions): Add some
1570         accelerator related nesting restrictions.
1571         (scan_omp_1_stmt): Call check_omp_nesting_restrictions
1572         even for GOMP_taskgroup_{start,end}.
1573         * gimplify.c (omp_notice_threadprivate_variable): Fix a typo.
1574         (gimplify_body): For functions with "omp declare target" attribute
1575         add ORT_TARGET region around the body.
1576
1577 2013-05-27  Jakub Jelinek  <jakub@redhat.com>
1578
1579         * tree.def (OMP_TEAMS, OMP_TARGET_DATA, OMP_TARGET,
1580         OMP_TARGET_UPDATE): New tree codes.
1581         * tree-cfg.c (make_edges): Handle GIMPLE_OMP_TARGET
1582         and GIMPLE_OMP_TEAMS.
1583         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE_DIST_SCHEDULE.
1584         * gimple-low.c (lower_stmt): Handle GIMPLE_OMP_TARGET
1585         and GIMPLE_OMP_TEAMS.
1586         * tree.h (OMP_TEAMS_BODY, OMP_TEAMS_CLAUSES, OMP_TARGET_DATA_BODY,
1587         OMP_TARGET_DATA_CLAUSES, OMP_TARGET_BODY, OMP_TARGET_CLAUSES,
1588         OMP_TARGET_UPDATE_CLAUSES): Define.
1589         * tree-nested.c (convert_nonlocal_reference_stmt,
1590         convert_local_reference_stmt, convert_gimple_call): Handle
1591         GIMPLE_OMP_TARGET and GIMPLE_OMP_TEAMS.
1592         * tree-inline.c (estimate_num_insns): Likewise.
1593         (remap_gimple_stmt): Likewise.  Adjust gimple_build_omp_for
1594         caller.
1595         * gimple.def: Adjust comments describing OMP_CLAUSEs.
1596         (GIMPLE_OMP_TARGET, GIMPLE_OMP_TEAMS): New GIMPLE stmts.
1597         * tree-parloops.c (create_parallel_loop): Adjust gimple_build_omp_for
1598         caller.
1599         * tree-pretty-print.c (dump_generic_node): Handle OMP_TEAMS,
1600         OMP_TARGET, OMP_TARGET_DATA and OMP_TARGET_UPDATE.
1601         * gimple.h (GF_OMP_TARGET_KIND_MASK, GF_OMP_TARGET_KIND_REGION,
1602         GF_OMP_TARGET_KIND_DATA, GF_OMP_TARGET_KIND_UPDATE): New.
1603         (gimple_build_omp_for): Add kind argument to prototype.
1604         (gimple_build_omp_target, gimple_build_omp_teams): New prototypes.
1605         (gimple_has_substatements): Handle GIMPLE_OMP_TARGET and
1606         GIMPLE_OMP_TEAMS.
1607         (gimple_omp_subcode): Change GIMPLE_OMP_SINGLE to GIMPLE_OMP_TEAMS.
1608         (gimple_omp_target_clauses, gimple_omp_target_clauses_ptr,
1609         gimple_omp_target_set_clauses, gimple_omp_target_kind,
1610         gimple_omp_target_set_kind, gimple_omp_teams_clauses,
1611         gimple_omp_teams_clauses_ptr, gimple_omp_teams_set_clauses): New
1612         inline functions.
1613         (gimple_return_set_retval): Handle GIMPLE_OMP_TARGET and
1614         GIMPLE_OMP_TEAMS.
1615         * gimple.c (gimple_build_omp_for): Add kind argument, call
1616         gimple_omp_for_set_kind.
1617         (gimple_build_omp_target, gimple_build_omp_teams): New functions.
1618         (walk_gimple_op, walk_gimple_stmt, gimple_copy): Handle
1619         GIMPLE_OMP_TARGET and GIMPLE_OMP_TEAMS.
1620         * gimple-pretty-print.c (dump_gimple_omp_target,
1621         dump_gimple_omp_teams): New functions.
1622         (pp_gimple_stmt_1): Handle GIMPLE_OMP_TARGET and GIMPLE_OMP_TEAMS.
1623         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_MAP.
1624         (enum omp_region_type): Add ORT_TEAMS, ORT_TARGET and ORT_TARGET_DATA.
1625         (omp_add_variable): Add temporary assertions.
1626         (omp_notice_threadprivate_variable): Complain if threadprivate vars
1627         appear in target region.
1628         (omp_notice_variable): ORT_TARGET, ORT_TARGET_DATA and ORT_TEAMS
1629         handling.
1630         (omp_check_private): Ignore ORT_TARGET and ORT_TARGET_DATA regions.
1631         (gimplify_scan_omp_clauses): Handle OMP_CLAUSE_MAP, OMP_CLAUSE_TO,
1632         OMP_CLAUSE_FROM, OMP_CLAUSE_NUM_TEAMS, OMP_CLAUSE_DIST_SCHEDULE
1633         and OMP_CLAUSE_DEVICE.
1634         (gimplify_adjust_omp_clauses): Likewise.
1635         (gimplify_adjust_omp_clauses_1): Handle GOVD_MAP.  Fix up
1636         check for privatization by also testing for GOVD_LINEAR.
1637         (gimplify_omp_for): Adjust gimple_build_omp_for caller.
1638         Clear *expr_p.
1639         (gimplify_omp_workshare): Handle also OMP_TARGET, OMP_TARGET_DATA
1640         and OMP_TEAMS.  Clear *expr_p.
1641         (gimplify_omp_target_update): New function.
1642         (gimplify_expr): Handle OMP_TARGET, OMP_TARGET_DATA, OMP_TARGET_UPDATE
1643         and OMP_TEAMS.
1644
1645 2013-05-20  Jakub Jelinek  <jakub@redhat.com>
1646
1647         * omp-low.c (expand_omp_simd): For collapse > 1 loops,
1648         if some loop condition might be not true initially, add runtime
1649         test and skip the whole loop.
1650
1651 2013-05-14  Jakub Jelinek  <jakub@redhat.com>
1652
1653         * cfgloop.h (struct loop): Add safelen and force_vect fields.
1654         * function.h (struct function): Add has_force_vect_loops field.
1655         * omp-low.c (expand_omp_simd): If !broken_loop, create loop for
1656         the simd region and set safelen and force_vect fields in it.
1657         * tree-vectorizer.c (vectorize_loops): If loop has force_vect set,
1658         vectorize it even if flag_vectorize isn't set.  Clear loop->force_vect
1659         after vectorization.
1660         * tree-ssa-loop.c (gate_tree_vectorize): Return true even
1661         cfun->has_force_vect_loops.
1662         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely_1): Don't
1663         unroll loops with loop->force_vect.
1664         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): For
1665         unknown or bad data dependency, if loop->safelen is non-zero, just
1666         decrease *max_vf to loop->safelen if needed and return false.
1667         * tree-if-conv.c (main_tree_if_conversion): If-convert also loops with
1668         loop->force_vect.
1669         (gate_tree_if_conversion): Return true even if
1670         cfun->has_force_vect_loops.
1671
1672 2013-05-09  Jakub Jelinek  <jakub@redhat.com>
1673
1674         * tree.c (omp_declare_simd_clauses_equal): New function.
1675         (attribute_value_equal): Call it for -fopenmp if
1676         TREE_VALUE of the attributes are both OMP_CLAUSEs.
1677         * tree.h (omp_declare_simd_clauses_equal): Declare.
1678
1679 2013-04-30  Jakub Jelinek  <jakub@redhat.com>
1680
1681         * gimple-pretty-print.c (dump_gimple_omp_atomic_load,
1682         dump_gimple_omp_atomic_store): Handle gimple_omp_atomic_seq_cst_p.
1683         * gimple.h (enum gf_mask): Add GF_OMP_ATOMIC_SEQ_CST.
1684         (gimple_omp_atomic_set_seq_cst, gimple_omp_atomic_seq_cst_p): New
1685         inline functions.
1686         * omp-low.c (expand_omp_atomic_load, expand_omp_atomic_store,
1687         expand_omp_atomic_fetch_op): If gimple_omp_atomic_seq_cst_p,
1688         pass MEMMODEL_SEQ_CST instead of MEMMODEL_RELAXED to the builtin.
1689         * gimplify.c (gimplify_omp_atomic): Handle OMP_ATOMIC_SEQ_CST.
1690         * tree-pretty-print.c (dump_generic_node): Handle OMP_ATOMIC_SEQ_CST.
1691         * tree.def (OMP_ATOMIC): Add comment that OMP_ATOMIC* must stay
1692         consecutive.
1693         * tree.h (OMP_ATOMIC_SEQ_CST): Define.
1694
1695         * omp-low.c (check_omp_nesting_restrictions): Diagnose
1696         OpenMP constructs nested inside simd region.  Don't treat
1697         #pragma omp simd as work-sharing region.  Disallow work-sharing
1698         constructs inside of critical region.  Complain if ordered
1699         region is nested inside of parallel region without loop
1700         region in between.
1701         (scan_omp_1_stmt): Call check_omp_nesting_restrictions even
1702         for GOMP_{cancel{,lation_point},taskyield,taskwait} calls.
1703
1704 2013-04-23  Jakub Jelinek  <jakub@redhat.com>
1705
1706         * Makefile.in (omp-low.o): Depend on $(TARGET_H).
1707         * gimplify.c (gimplify_adjust_omp_clauses): For linear clauses
1708         if outer_context is non-NULL, but not ORT_COMBINED_PARALLEL,
1709         call omp_notice_variable.  Remove aligned clauses that can't
1710         be handled yet.
1711         * omp-low.c: Include target.h.
1712         (scan_sharing_clauses): For aligned clauses with global arrays
1713         register local replacement.
1714         (omp_clause_aligned_alignment): New function.
1715         (lower_rec_input_clauses): For aligned clauses for global
1716         arrays or automatic pointers emit __builtin_assume_aligned
1717         before the loop if possible.
1718         (expand_omp_regimplify_p, expand_omp_build_assign): New functions.
1719         (expand_omp_simd): Use them.  Handle pointer iterators and broken
1720         loops.
1721         (lower_omp_for): Call lower_omp on gimple_omp_body_ptr after
1722         calling lower_rec_input_clauses, not before it.
1723
1724 2013-04-19  Jakub Jelinek  <jakub@redhat.com>
1725
1726         * tree.h (OMP_CLAUSE_LINEAR_NO_COPYIN,
1727         OMP_CLAUSE_LINEAR_NO_COPYOUT): Define.
1728         * omp-low.c (extract_omp_for_data): Handle #pragma omp simd.
1729         (build_outer_var_ref): For #pragma omp simd allow linear etc.
1730         clauses to bind even to private vars.
1731         (scan_sharing_clauses): Handle OMP_CLAUSE_LINEAR, OMP_CLAUSE_ALIGNED
1732         and OMP_CLAUSE_SAFELEN.
1733         (lower_rec_input_clauses): Handle OMP_CLAUSE_LINEAR.  Don't emit
1734         a GOMP_barrier call for firstprivate/lastprivate in #pragma omp simd.
1735         (lower_lastprivate_clauses): Handle also OMP_CLAUSE_LINEAR.
1736         (expand_omp_simd): New function.
1737         (expand_omp_for): Handle #pragma omp simd.
1738         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_LINEAR and
1739         GOVD_ALIGNED, add GOVD_LINEAR into GOVD_DATA_SHARE_CLASS.
1740         (enum omp_region_type): Add ORT_SIMD.
1741         (gimple_add_tmp_var, gimplify_var_or_parm_decl, omp_check_private,
1742         omp_firstprivatize_variable, omp_notice_variable): Handle ORT_SIMD
1743         like ORT_WORKSHARE.
1744         (omp_is_private): Likewise.  Add SIMD argument, tweak diagnostics
1745         and add extra errors in simd constructs.
1746         (gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses): Handle
1747         OMP_CLAUSE_LINEAR, OMP_CLAUSE_ALIGNED and OMP_CLAUSE_SAFELEN.
1748         (gimplify_adjust_omp_clauses_1): Handle GOVD_LASTPRIVATE and
1749         GOVD_ALIGNED.
1750         (gimplify_omp_for): Handle #pragma omp simd.
1751
1752 2013-04-10  Jakub Jelinek  <jakub@redhat.com>
1753
1754         * builtin-types.def (DEF_FUNCTION_TYPE_8): Document.
1755         (BT_FN_VOID_OMPFN_PTR_UINT, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
1756         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): Remove.
1757         (BT_FN_VOID_OMPFN_PTR_UINT_UINT_UINT,
1758         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_UINT,
1759         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG_UINT): New.
1760         * gimplify.c (gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses):
1761         Handle OMP_CLAUSE_PROC_BIND.
1762         * omp-builtins.def (BUILT_IN_GOMP_TASKGROUP_START,
1763         BUILT_IN_GOMP_TASKGROUP_END, BUILT_IN_GOMP_PARALLEL_LOOP_STATIC,
1764         BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC,
1765         BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED,
1766         BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME, BUILT_IN_GOMP_PARALLEL,
1767         BUILT_IN_GOMP_PARALLEL_SECTIONS): New built-ins.
1768         (BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
1769         BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
1770         BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
1771         BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
1772         BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
1773         BUILT_IN_GOMP_PARALLEL_SECTIONS_START): Remove.
1774         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE_PROC_BIND.
1775         (expand_parallel_call): Expand #pragma omp parallel* as
1776         calls to the new GOMP_parallel_* APIs without _start at the end,
1777         instead of GOMP_parallel_*_start followed by fn.omp_fn.N call,
1778         followed by GOMP_parallel_end.  Handle OMP_CLAUSE_PROC_BIND.
1779         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
1780         call_may_clobber_ref_p_1): Handle BUILT_IN_GOMP_TASKGROUP_END
1781         instead of BUILT_IN_GOMP_PARALLEL_END.
1782
1783 2013-03-27  Jakub Jelinek  <jakub@redhat.com>
1784
1785         * gimple-pretty-print.c (dump_gimple_omp_for): Handle different
1786         GIMPLE_OMP_FOR kinds.
1787         * tree.def (OMP_SIMD, OMP_FOR_SIMD, OMP_DISTRIBUTE): New tree codes.
1788         * gimple.h (enum gf_mask): Add GF_OMP_FOR_KIND_MASK,
1789         GF_OMP_FOR_KIND_FOR, GF_OMP_FOR_KIND_SIMD, GF_OMP_FOR_KIND_FOR_SIMD
1790         and GF_OMP_FOR_KIND_DISTRIBUTE.
1791         (gimple_omp_for_kind, gimple_omp_for_set_kind): New inline functions.
1792         * gimplify.c (is_gimple_stmt, gimplify_omp_for, gimplify_expr): Handle
1793         OMP_SIMD, OMP_FOR_SIMD and OMP_DISTRIBUTE.
1794         * tree.c (omp_clause_num_ops, omp_clause_code_name, walk_tree_1):
1795         Handle new OpenMP 4.0 clauses.
1796         * tree-pretty-print.c (dump_omp_clause): Likewise.
1797         (dump_generic_node): Handle OMP_SIMD, OMP_FOR_SIMD and OMP_DISTRIBUTE.
1798         * tree.h (enum omp_clause_code): Add OMP_CLAUSE_LINEAR,
1799         OMP_CLAUSE_ALIGNED, OMP_CLAUSE_DEPEND, OMP_CLAUSE_FROM, OMP_CLAUSE_TO,
1800         OMP_CLAUSE_UNIFORM, OMP_CLAUSE_MAP, OMP_CLAUSE_DEVICE,
1801         OMP_CLAUSE_DIST_SCHEDULE, OMP_CLAUSE_INBRANCH, OMP_CLAUSE_NOTINBRANCH,
1802         OMP_CLAUSE_NUM_TEAMS, OMP_CLAUSE_PROC_BIND, OMP_CLAUSE_SAFELEN,
1803         OMP_CLAUSE_SIMDLEN, OMP_CLAUSE_FOR, OMP_CLAUSE_PARALLEL,
1804         OMP_CLAUSE_SECTIONS and OMP_CLAUSE_TASKGROUP.
1805         (OMP_LOOP_CHECK): Define.
1806         (OMP_FOR_BODY, OMP_FOR_CLAUSES, OMP_FOR_INIT, OMP_FOR_COND,
1807         OMP_FOR_INCR, OMP_FOR_PRE_BODY): Use OMP_LOOP_CHECK instead of
1808         OMP_FOR_CHECK.
1809         (OMP_CLAUSE_DECL): Extend check range up to OMP_CLAUSE_MAP.
1810         (OMP_CLAUSE_LINEAR_STEP, OMP_CLAUSE_ALIGNED_ALIGNMENT,
1811         OMP_CLAUSE_NUM_TEAMS_EXPR, OMP_CLAUSE_DEVICE_ID,
1812         OMP_CLAUSE_DIST_SCHEDULE_CHUNK_EXPR, OMP_CLAUSE_SAFELEN_EXPR,
1813         OMP_CLAUSE_SIMDLEN_EXPR): Define.
1814         (enum omp_clause_depend_kind, enum omp_clause_map_kind,
1815         enum omp_clause_proc_bind_kind): New enums.
1816         (OMP_CLAUSE_DEPEND_KIND, OMP_CLAUSE_MAP_KIND,
1817         OMP_CLAUSE_PROC_BIND_KIND): Define.
1818         (struct tree_omp_clause): Add subcode.depend_kind, subcode.map_kind
1819         and subcode.proc_bind_kind.
1820         (find_omp_clause): New prototype.
1821         * omp-builtins.def (BUILT_IN_GOMP_CANCEL,
1822         BUILT_IN_GOMP_CANCELLATION_POINT): New built-ins.
1823         * tree-flow.h (find_omp_clause): Remove prototype.
1824 \f
1825 Copyright (C) 2013-2014 Free Software Foundation, Inc.
1826
1827 Copying and distribution of this file, with or without modification,
1828 are permitted in any medium without royalty provided the copyright
1829 notice and this notice are preserved.