libgomp/ChangeLog.gomp

   1 2014-09-23  Thomas Schwinge  <thomas@codesourcery.com>
   2
   3         * libgomp.map (OACC_2.0): Add acc_on_device, acc_on_device_.
   4         * fortran.c: Include "openacc.h".
   5         (acc_on_device_): New function.
   6         * oacc-parallel.c: Include "openacc.h".
   7         (acc_on_device): New function.
   8         * openacc.f90 (acc_device_kind, acc_device_none)
   9         (acc_device_default, acc_device_host, acc_device_not_host): New
  10         parameters.
  11         (acc_on_device): New function declaration.
  12         * openacc_lib.h (acc_device_kind, acc_device_none)
  13         (acc_device_default, acc_device_host, acc_device_not_host): New
  14         parameters.
  15         (acc_on_device): New function declaration.
  16         * openacc.h (acc_device_t): New enum.
  17         (acc_on_device): New function declaration.
  18         * testsuite/libgomp.oacc-c/acc_on_device-1.c: New file.
  19         * testsuite/libgomp.oacc-fortran/acc_on_device-1-1.f90: Likewise.
  20         * testsuite/libgomp.oacc-fortran/acc_on_device-1-2.f: Likewise.
  21         * testsuite/libgomp.oacc-fortran/acc_on_device-1-3.f: Likewise.
  22
  23 2014-07-09  Thomas Schwinge  <thomas@codesourcery.com>
  24             Jakub Jelinek  <jakub@redhat.com>
  25
  26         * target.c (gomp_map_vars, gomp_unmap_vars, gomp_update): Support
  27         NULL mappings as well as mapping kind OMP_CLAUSE_MAP_TO_PSET.
  28         Also, some code reformatting.
  29
  30 2014-06-06  Thomas Schwinge  <thomas@codesourcery.com>
  31             James Norris  <jnorris@codesourcery.com>
  32
  33         * libgomp.map (GOACC_2.0): Add GOACC_update.
  34         * oacc-parallel.c (GOACC_update): New function.
  35
  36 2014-03-18  Ilya Verbin  <ilya.verbin@intel.com>
  37
  38         * libgomp.map (GOMP_4.0.1): New symbol version.
  39         Add GOMP_offload_register.
  40         * plugin-host.c (device_available): Replace with:
  41         (get_num_devices): This.
  42         (get_type): New.
  43         (offload_register): Ditto.
  44         (device_init): Ditto.
  45         (device_get_table): Ditto.
  46         (device_run): Ditto.
  47         * target.c (target_type): New enum.
  48         (offload_image_descr): New struct.
  49         (offload_images, num_offload_images): New globals.
  50         (struct gomp_device_descr): Remove device_available_func.
  51         Add type, is_initialized, get_type_func, get_num_devices_func,
  52         offload_register_func, device_init_func, device_get_table_func,
  53         device_run_func.
  54         (mapping_table): New struct.
  55         (GOMP_offload_register): New function.
  56         (gomp_init_device): Ditto.
  57         (GOMP_target): Add device initialization and lookup for target fn.
  58         (GOMP_target_data): Add device initialization.
  59         (GOMP_target_update): Ditto.
  60         (gomp_load_plugin_for_device): Take handles for get_type,
  61         get_num_devices, offload_register, device_init, device_get_table,
  62         device_run functions.
  63         (gomp_register_images_for_device): New function.
  64         (gomp_find_available_plugins): Add registration of offload images.
  65
  66 2014-03-18  Thomas Schwinge  <thomas@codesourcery.com>
  67
  68         * libgomp_g.h (GOACC_kernels, GOACC_parallel): Add three
  69         additional int arguments.
  70         * oacc-parallel.c (GOACC_kernels, GOACC_parallel): Handle these.
  71         * testsuite/libgomp.oacc-c/goacc_kernels.c: Adjust.
  72         * testsuite/libgomp.oacc-c/goacc_parallel.c: Likewise.
  73
  74 2014-02-28  Thomas Schwinge  <thomas@codesourcery.com>
  75
  76         * testsuite/libgomp.oacc-c/goacc_kernels.c: New file.
  77         * testsuite/libgomp.oacc-c/kernels-1.c: Likewise.
  78         * testsuite/libgomp.oacc-c/parallel-1.c: Add one missing test.
  79
  80         * libgomp.map (GOACC_2.0): Add GOACC_kernels.
  81         * libgomp_g.h (GOACC_kernels): New prototype.
  82         * oacc-parallel.c (GOACC_kernels): New function.
  83
  84 2014-02-21  Thomas Schwinge  <thomas@codesourcery.com>
  85
  86         * testsuite/libgomp.oacc-c/data-1.c: New file.
  87
  88         * libgomp.map (GOACC_2.0): Add GOACC_data_end, GOACC_data_start.
  89         * libgomp_g.h (GOACC_data_start, GOACC_data_end): New prototypes.
  90         * oacc-parallel.c (GOACC_data_start, GOACC_data_end): New
  91         functions.
  92
  93 2014-02-20  Thomas Schwinge  <thomas@codesourcery.com>
  94
  95         * target.c (gomp_load_plugin_for_device): Don't call dlcose if
  96         dlopen failed.
  97
  98 2014-02-20  Thomas Schwinge  <thomas@codesourcery.com>
  99             James Norris  <jnorris@codesourcery.com>
 100
 101         * plugin-host.c: New file.
 102         * target.c (struct gomp_device_descr): Add device_alloc_func,
 103         device_free_func, device_dev2host_func, device_host2dev_func
 104         members.
 105         (gomp_load_plugin_for_device): Load these.
 106         (gomp_map_vars, gomp_unmap_tgt, gomp_unmap_vars, gomp_update): Use
 107         these.
 108         (resolve_device, gomp_find_available_plugins): Remove ID 257 hack.
 109
 110 2014-02-17  Ilya Verbin  <ilya.verbin@intel.com>
 111
 112         * target.c (gomp_map_vars_existing): Don't update copy_from for the
 113         existing mappings.
 114
 115 2014-01-28  Thomas Schwinge  <thomas@codesourcery.com>
 116
 117         * testsuite/libgomp.oacc-c/parallel-1.c: Extend.
 118
 119 2013-12-18  Thomas Schwinge  <thomas@codesourcery.com>
 120
 121         * libgomp_g.h (GOACC_parallel): Switch kinds array to unsigned
 122         short.
 123         * oacc-parallel.c (GOACC_parallel): Likewise, and catch
 124         unsupported kinds.
 125
 126 2013-11-08  Thomas Schwinge  <thomas@codesourcery.com>
 127
 128         libgomp/
 129         * target.c (gomp_find_available_plugins): Don't skip device 257
 130         setup.
 131
 132 2013-11-07  Thomas Schwinge  <thomas@codesourcery.com>
 133
 134         * oacc-parallel.c: New file.
 135         * Makefile.am (libgomp_la_SOURCES): Add it.
 136         * Makefile.in: Regenerate.
 137         * libgomp.map (GOACC_2.0): Add GOACC_parallel.
 138         * libgomp_g.h (GOACC_parallel): New declaration.
 139         * testsuite/libgomp.oacc-c/goacc_parallel.c: New file.
 140         * testsuite/libgomp.oacc-c/parallel-1.c: New file.
 141
 142         * libgomp.map (GOACC_2.0): New symbol version.
 143
 144         * openacc.f90 (openacc_version): New integer parameter.
 145         * openacc_lib.h (openacc_version): Likewise.
 146         * testsuite/libgomp.oacc-fortran/openacc_version-1.f: New file.
 147         * testsuite/libgomp.oacc-fortran/openacc_version-2.f90: Likewise.
 148
 149         * libgomp.map (OACC_2.0): New symbol version.
 150         * Makefile.am (nodist_libsubinclude_HEADERS): Add openacc.h.
 151         (nodist_finclude_HEADERS): Add openacc_lib.h, openacc.f90,
 152         openacc.mod, and openacc_kinds.mod.
 153         (openacc_kinds.mod): New target.
 154         (%.mod): New target, generalized from omp_lib.mod.
 155         * Makefile.in: Regenerate.
 156         * openacc.f90: New file.
 157         * openacc.h: Likewise.
 158         * openacc_lib.h: Likewise.
 159         * testsuite/libgomp.oacc-c++/c++.exp: Likewise.
 160         * testsuite/libgomp.oacc-c/c.exp: Likewise.
 161         * testsuite/libgomp.oacc-c/lib-1.c: Likewise.
 162         * testsuite/libgomp.oacc-fortran/fortran.exp: Likewise.
 163         * testsuite/libgomp.oacc-fortran/lib-1.f90: Likewise.
 164         * testsuite/libgomp.oacc-fortran/lib-2.f: Likewise.
 165         * testsuite/libgomp.oacc-fortran/lib-3.f: Likewise.
 166
 167         Backport from trunk, r204519:
 168
 169         * testsuite/lib/libgomp.exp (libgomp_init): Don't add -fopenmp to
 170         ALWAYS_CFLAGS.
 171         * testsuite/libgomp.c++/c++.exp (ALWAYS_CFLAGS): Add -fopenmp.
 172         * testsuite/libgomp.c/c.exp (ALWAYS_CFLAGS): Likewise.
 173         * testsuite/libgomp.fortran/fortran.exp (ALWAYS_CFLAGS): Likewise.
 174         * testsuite/libgomp.graphite/graphite.exp (ALWAYS_CFLAGS):
 175         Likewise.
 176
 177         Backport from trunk, r204518:
 178
 179         * libgomp_g.h: Include <stddef.h> for size_t.
 180
 181         Backport from trunk, r204517:
 182
 183         * libgomp.spec.in: Update comment about libgomp's dependencies.
 184         * configure.ac: Likewise.
 185         * configure: Regenerate.
 186
 187 2013-10-10  Jakub Jelinek  <jakub@redhat.com>
 188
 189         * testsuite/libgomp.c++/udr-6.C: Remove UDR + on type F.
 190
 191 2013-10-08  Jakub Jelinek  <jakub@redhat.com>
 192
 193         * testsuite/libgomp.c/thread-limit-1.c (main): Check if
 194         cnt isn't bigger than 6 at any point in time, sleep 10ms after
 195         incrementing it and then atomically decrement.
 196         * testsuite/libgomp.c/thread-limit-2.c (main): Likewise.
 197
 198         * libgomp.h (struct gomp_team): Add task_queued_count field.
 199         Add comments about task_{,queued_,running_}count.
 200         * team.c (gomp_new_team): Clear task_queued_count.
 201         * task.c (GOMP_task): Increment task_queued_count.
 202         (gomp_task_run_pre): Decrement task_queued_count.  If it is
 203         decremented to zero, call gomp_team_barrier_clear_task_pending.
 204         (gomp_task_run_post_handle_dependers): Increment task_queued_count.
 205         (gomp_barrier_handle_tasks): Don't call
 206         gomp_team_barrier_clear_task_pending here.
 207
 208         * testsuite/libgomp.c/udr-2.c (main): Remove unused variable i.
 209         * testsuite/libgomp.c/udr-3.c (main): Initialize i to 0.
 210         * testsuite/libgomp.c++/udr-8.C (main): Likewise.
 211
 212         * testsuite/libgomp.c/affinity-1.c (min_cpusetsize): New variable.
 213         (pthread_getaffinity_np): Set it when setting contig_cpucount.
 214         (print_affinity): Use it for size, only use sysconf value if that is not
 215         set and if it is smaller than sizeof (cpu_set_t), use sizeof (cpu_set_t).
 216
 217 2013-10-07  Jakub Jelinek  <jakub@redhat.com>
 218
 219         * testsuite/libgomp.c/affinity-1.c (main): Fork even if
 220         contig_cpucount is > 8.
 221
 222         PR libgomp/58642
 223         * config/linux/proc.c: Include errno.h.
 224         (gomp_get_cpuset_size): New variable.
 225         (gomp_cpuset_popcount): Add cpusetsize argument, use it instead of
 226         gomp_cpuset_size.
 227         (gomp_init_num_threads): If CPU_ALLOC_SIZE is defined and
 228         pthread_getaffinity_np returned EINVAL, increase gomp_cpuset_size
 229         and retry.  After successful pthread_getaffinity_np copy
 230         gomp_cpuset_size to gomp_get_cpuset_size and try to find out
 231         minimum gomp_cpuset_size that covers all the CPUs set in gomp_cpusetp.
 232         (get_num_procs): Pass gomp_get_cpuset_size rather than gomp_cpuset_size
 233         to pthread_getaffinity_np, adjust gomp_cpuset_popcount caller.
 234         * config/linux/proc.h (gomp_cpuset_popcount): Add cpusetsize argument.
 235         * config/linux/affinity.c (gomp_affinity_finalize_place_list,
 236         gomp_affinity_init_level): Adjust gomp_cpuset_popcount callers.
 237         * testsuite/libgomp.c/affinity-1.c (pthread_getaffinity_np): Set
 238         contig_cpucount from the first successful pthread_getaffinity_np
 239         call, rather than just first call.
 240
 241 2013-10-04  Jakub Jelinek  <jakub@redhat.com>
 242
 243         * libgomp.h (struct gomp_task_icv): Add thread_limit_var.
 244         (gomp_thread_limit_var, gomp_remaining_threads_count,
 245         gomp_remaining_threads_lock): Remove.
 246         (gomp_managed_threads_lock): New variable.
 247         (struct gomp_thread_pool): Add threads_busy field.
 248         (gomp_free_thread): New prototype.
 249         * parallel.c (gomp_resolve_num_threads): Adjust for
 250         thread_limit now being in icv->thread_limit_var.  Use
 251         UINT_MAX instead of ULONG_MAX as infinity.  If not nested,
 252         just return minimum of max_num_threads and icv->thread_limit_var
 253         and if thr->thread_pool, set threads_busy to the returned value.
 254         Otherwise, don't update atomically gomp_remaining_threads_count,
 255         but instead thr->thread_pool->threads_busy.
 256         (GOMP_parallel_end): Adjust for thread_limit now being in
 257         icv->thread_limit_var.  Use UINT_MAX instead of ULONG_MAX as
 258         infinity.  Adjust threads_busy in the pool rather than
 259         gomp_remaining_threads_count.  Remember team->nthreads and call
 260         gomp_team_end before adjusting threads_busy, if not nested
 261         afterwards, just set it to 1 non-atomically.
 262         * team.c (gomp_thread_start): Clear thr->thread_pool and
 263         thr->task before returning.
 264         (gomp_free_pool_helper): Clear thr->thread_pool and thr->task
 265         before calling pthread_exit.
 266         (gomp_free_thread): No longer static.  Use
 267         gomp_managed_threads_lock instead of gomp_remaining_threads_lock.
 268         (gomp_team_start): Set thr->thread_pool->threads_busy to
 269         nthreads immediately after creating new pool.  Use
 270         gomp_managed_threads_lock instead of gomp_remaining_threads_lock.
 271         (gomp_team_end): Use gomp_managed_threads_lock instead of
 272         gomp_remaining_threads_lock.
 273         (initialize_team): Don't call gomp_sem_init here.
 274         * env.c (gomp_global_icv): Initialize thread_limit_var field.
 275         (gomp_thread_limit_var, gomp_remaining_threads_count,
 276         gomp_remaining_threads_lock): Remove.
 277         (gomp_managed_threads_locks): New variable.
 278         (handle_omp_display_env): Adjust for thread_limit var being
 279         in gomp_global_icv.
 280         (initialize_env): Likewise.  If user provided value is > INT_MAX,
 281         set gomp_global_icv.thread_limit_var to UINT_MAX (infinity).
 282         Initialize gomp_managed_threads_lock instead of
 283         gomp_remaining_threads_lock.
 284         (omp_get_thread_limit): Adjust for thread_limit var in
 285         icv->thread_limit_var.
 286         * target.c: Include limits.h.
 287         (resolve_device): If device_id is < -1, return NULL.
 288         (gomp_map_vars): Make sure tgt->array, tgt->to_free, tgt->tgt_start,
 289         tgt->tgt_end and k->copy_from aren't left uninitialized.
 290         (GOMP_target): Arrange for host callback to be performed in a
 291         separate initial thread and contention group, inheriting ICVs from
 292         gomp_global_icv etc.
 293         (GOMP_teams): Adjust thread_limit_var ICV.
 294         * testsuite/libgomp.c/affinity-1.c (main): Call omp_set_dynamic (0).
 295         * testsuite/libgomp.c/target-3.c: New test.
 296         * testsuite/libgomp.c/target-4.c: New test.
 297         * testsuite/libgomp.c/target-5.c: New test.
 298         * testsuite/libgomp.c/target-6.c: New test.
 299         * testsuite/libgomp.c/target-7.c: New test.
 300         * testsuite/libgomp.c/thread-limit-1.c: New test.
 301         * testsuite/libgomp.c/thread-limit-2.c: New test.
 302         * testsuite/libgomp.c/thread-limit-3.c: New test.
 303
 304         * libgomp.h (struct gomp_team_state): Add place_partition_off
 305         and place_partition_len fields.
 306         (struct gomp_task_icv): Add bind_var field.
 307         (gomp_bind_var_list, gomp_bind_var_list_len, gomp_places_list,
 308         gomp_places_list_len): New extern decls.
 309         (struct gomp_thread): Add place field.
 310         (gomp_cpu_affinity, gomp_cpu_affinity_len): Remove.
 311         (gomp_init_thread_affinity): Add place argument.
 312         (gomp_affinity_alloc, gomp_affinity_init_place, gomp_affinity_add_cpus,
 313         gomp_affinity_remove_cpu, gomp_affinity_copy_place,
 314         gomp_affinity_same_place, gomp_affinity_finalize_place_list,
 315         gomp_affinity_init_level, gomp_affinity_print_place): New prototypes.
 316         (gomp_team_start): Add flags argument.
 317         * team.c (struct gomp_thread_start_data): Add place field.
 318         (gomp_thread_start): Initialize thr->place.
 319         (gomp_team_start): Add flags argument.  Handle OpenMP 4.0 affinity.
 320         * env.c (gomp_global_icv): Initialize bind_var field.
 321         (gomp_cpu_affinity, gomp_cpu_affinity_len): Remove.
 322         (gomp_bind_var_list, gomp_bind_var_list_len, gomp_places_list,
 323         gomp_places_list_len): New variables.
 324         (parse_bind_var, parse_one_place, parse_places_var): New functions.
 325         (parse_affinity): Rewritten to construct OMP_PLACES list with unit
 326         sized places.
 327         (handle_omp_display_env): Remove proc_bind argument.  Set display
 328         to true for OMP_DISPLAY_ENV=true.  Print 201307 instead of 201107
 329         as _OPENMP.  Enhance printing of OMP_PROC_BIND, add printing
 330         of OMP_PLACES, don't print anything for GOMP_CPU_AFFINITY.
 331         (initialize_env): Use parse_bind_var to parse OMP_PROC_BIND
 332         instead of parse_boolean.  Use parse_places_var for OMP_PLACES
 333         parsing.  Don't call parse_affinity if OMP_PLACES has been
 334         successfully parsed (and call gomp_init_affinity in that case).
 335         Adjust handle_omp_display_env caller.
 336         (omp_get_proc_bind): Return bind_var ICV.
 337         * config/posix/affinity.c (gomp_init_thread_affinity): Add place
 338         argument.
 339         (gomp_affinity_alloc, gomp_affinity_init_place, gomp_affinity_add_cpus,
 340         gomp_affinity_remove_cpu, gomp_affinity_copy_place,
 341         gomp_affinity_same_place, gomp_affinity_finalize_place_list,
 342         gomp_affinity_init_level, gomp_affinity_print_place): New stubs.
 343         * config/linux/proc.c (gomp_cpuset_popcount): Fix up check extern decl.
 344         (gomp_init_num_threads): If HAVE_PTHREAD_AFFINITY_NP isn't defined,
 345         fix up sizeof argument.  Free and clear gomp_cpusetp if it didn't
 346         contain any logical CPUs.
 347         (get_num_procs): Check gomp_places_list instead of gomp_cpu_affinity.
 348         * config/linux/affinity.c: Include errno.h, stdio.h and string.h.
 349         (affinity_counter): Remove.
 350         (CPU_CLR_S): Define if CPU_ALLOC_SIZE is not defined.
 351         (gomp_init_affinity): Rewritten, if gomp_places_list is NULL, try
 352         silently create OMP_PLACES=threads, if it is non-NULL afterwards,
 353         bind current thread to the first place.
 354         (gomp_init_thread_affinity): Rewritten.  Add place argument, just
 355         pthread_setaffinity_np to gomp_places_list[place].
 356         (gomp_affinity_alloc, gomp_affinity_init_place, gomp_affinity_add_cpus,
 357         gomp_affinity_remove_cpu, gomp_affinity_copy_place,
 358         gomp_affinity_same_place, gomp_affinity_finalize_place_list,
 359         gomp_affinity_init_level, gomp_affinity_print_place): New functions.
 360         * parallel.c (GOMP_parallel_start): Adjust gomp_team_start caller.
 361         (GOMP_parallel): Likewise, pass through flags parameter to it.
 362         * sections.c (GOMP_parallel_sections_start): Adjust gomp_team_start
 363         caller.
 364         (GOMP_parallel_sections): Likewise, pass through flags parameter to it.
 365         * loop.c (gomp_parallel_loop_start): Add flags argument, pass it through
 366         to gomp_team_start.
 367         (GOMP_parallel_loop_static_start, GOMP_parallel_loop_dynamic_start,
 368         GOMP_parallel_loop_guided_start, GOMP_parallel_loop_runtime_start):
 369         Adjust gomp_parallel_loop_start callers.
 370         (GOMP_parallel_loop_static, GOMP_parallel_loop_dynamic,
 371         GOMP_parallel_loop_guided, GOMP_parallel_loop_runtime): Likewise, pass
 372         through flags parameter to it.
 373         * testsuite/libgomp.c/affinity-1.c: New test.
 374         * testsuite/libgomp.c++/affinity-1.C: New test.
 375
 376 2013-10-01  Jakub Jelinek  <jakub@redhat.com>
 377
 378         PR libgomp/57298
 379         * config/linux/proc.c (gomp_cpuset_size, gomp_cpusetp): New variables.
 380         (gomp_cpuset_popcount): Use CPU_COUNT_S if available, or CPU_COUNT if
 381         gomp_cpuset_size is sizeof (cpu_set_t).  Use gomp_cpuset_size instead
 382         of sizeof (cpu_set_t) to determine number of iterations.
 383         (gomp_init_num_threads): Initialize gomp_cpuset_size and gomp_cpusetp
 384         here, use gomp_cpusetp instead of &cpuset and pass gomp_cpuset_size
 385         instead of sizeof (cpu_set_t) to pthread_getaffinity_np.
 386         (get_num_procs): Don't call pthread_getaffinity_np if gomp_cpusetp
 387         is NULL.  Use gomp_cpusetp instead of &cpuset and pass gomp_cpuset_size
 388         instead of sizeof (cpu_set_t) to pthread_getaffinity_np.
 389         * config/linux/proc.h (gomp_cpuset_popcount): Add attribute_hidden.
 390         (gomp_cpuset_size, gomp_cpusetp): Declare.
 391         * config/linux/affinity.c (CPU_ISSET_S, CPU_ZERO_S, CPU_SET_S): Define
 392         if CPU_ALLOC_SIZE isn't defined.
 393         (gomp_init_affinity): Don't call pthread_getaffinity_np here, instead
 394         use gomp_cpusetp computed by gomp_init_num_threads.  Use CPU_*_S
 395         variants of macros with gomp_cpuset_size as set size, for cpusetnew
 396         use alloca for it if CPU_ALLOC_SIZE is defined, otherwise local
 397         fixed size variable.
 398         (gomp_init_thread_affinity): Use CPU_*_S variants of macros with
 399         gomp_cpuset_size as set size, for cpuset use alloca for it if
 400         CPU_ALLOC_SIZE is defined, otherwise local fixed size variable.
 401
 402 2013-09-27  Jakub Jelinek  <jakub@redhat.com>
 403
 404         * libgomp.h: Include stdlib.h.
 405         (struct gomp_task_depend_entry,
 406         struct gomp_dependers_vec): New types.
 407         (struct gomp_task): Add dependers, depend_hash, depend_count,
 408         num_dependees and depend fields.
 409         (struct gomp_taskgroup): Add num_children field.
 410         (gomp_finish_task): Free depend_hash if non-NULL.
 411         * libgomp_g.h (GOMP_task): Add depend argument.
 412         * hashtab.h: New file.
 413         * task.c: Include hashtab.h.
 414         (hash_entry_type): New typedef.
 415         (htab_alloc, htab_free, htab_hash, htab_eq): New inlines.
 416         (gomp_init_task): Clear dependers, depend_hash and depend_count
 417         fields.
 418         (GOMP_task): Add depend argument, handle depend clauses.  Increment
 419         num_children field in taskgroup.
 420         (gomp_task_run_pre): Don't increment task_running_count here,
 421         nor clear task_pending bit.
 422         (gomp_task_run_post_handle_depend_hash,
 423         gomp_task_run_post_handle_dependers,
 424         gomp_task_run_post_handle_depend): New functions.
 425         (gomp_task_run_post_remove_parent): Clear in_taskwait before
 426         signalling corresponding semaphore.
 427         (gomp_task_run_post_remove_taskgroup): Decrement num_children
 428         field and make the decrement to 0 MEMMODEL_RELEASE operation,
 429         rather than storing NULL to taskgroup->children.  Clear
 430         in_taskgroup_wait before signalling corresponding semaphore.
 431         (gomp_barrier_handle_tasks): Move task_running_count increment
 432         and task_pending bit clearing here.  Call
 433         gomp_task_run_post_handle_depend.  If more than one new tasks
 434         have been queued, wake other threads if needed.
 435         (GOMP_taskwait): Call gomp_task_run_post_handle_depend.  If more
 436         than one new tasks have been queued, wake other threads if needed.
 437         After waiting on taskwait_sem, enter critical section again.
 438         (GOMP_taskgroup_start): Initialize num_children field.
 439         (GOMP_taskgroup_end): Check num_children instead of children
 440         before critical section.  If children is NULL, but num_children
 441         is non-zero, wait on taskgroup_sem.  Call
 442         gomp_task_run_post_handle_depend.  If more than one new tasks have
 443         been queued, wake other threads if needed.  After waiting on
 444         taskgroup_sem, enter critical section again.
 445         * testsuite/libgomp.c/depend-1.c: New test.
 446         * testsuite/libgomp.c/depend-2.c: New test.
 447         * testsuite/libgomp.c/depend-3.c: New test.
 448         * testsuite/libgomp.c/depend-4.c: New test.
 449
 450 2013-09-26  Jakub Jelinek  <jakub@redhat.com>
 451
 452         PR libgomp/58482
 453         * testsuite/libgomp.c/simd-6.c: New test.
 454         * testsuite/libgomp.c++/simd-8.C: New test.
 455
 456 2013-09-25  Jakub Jelinek  <jakub@redhat.com>
 457
 458         * parallel.c (GOMP_cancellation_point, GOMP_cancel): Handle
 459         GIMPLE_CANCEL_TASKGROUP cancellation.
 460         * libgomp.h (struct gomp_task): Add next_taskgroup, prev_taskgroup,
 461         taskgroup and copy_ctors_done fields.
 462         (struct gomp_taskgroup): New type.
 463         * task.c (gomp_init_task): Initialize copy_ctors_done and taskgroup
 464         fields.
 465         (GOMP_task): Don't start a new thread also if it's taskgroup has
 466         been cancelled.  Set copy_ctors_done field if needed.  Initialize
 467         taskgroup field.  If copy_ctors_done and already cancelled, don't
 468         discard the task.  If taskgroup is non-NULL, enqueue the task
 469         into taskgroup queue.
 470         (gomp_task_run_pre, gomp_task_run_post_remove_parent,
 471         gomp_task_run_post_remove_taskgroup): New inline functions.
 472         (gomp_barrier_handle_tasks, GOMP_taskwait): Use them.
 473         (GOMP_taskgroup_start, GOMP_taskgroup_end): Implement taskgroup
 474         support.
 475         * testsuite/libgomp.c++/cancel-parallel-1.C: New test.
 476         * testsuite/libgomp.c++/cancel-parallel-2.C: New test.
 477         * testsuite/libgomp.c++/cancel-parallel-3.C: New test.
 478         * testsuite/libgomp.c++/cancel-for-1.C: New test.
 479         * testsuite/libgomp.c++/cancel-for-1.C: New test.
 480         * testsuite/libgomp.c++/cancel-taskgroup-1.C: New test.
 481         * testsuite/libgomp.c++/cancel-taskgroup-2.C: New test.
 482         * testsuite/libgomp.c++/cancel-taskgroup-3.C: New test.
 483         * testsuite/libgomp.c++/cancel-test.h: New file.
 484         * testsuite/libgomp.c++/cancel-sections-1.C: New test.
 485         * testsuite/libgomp.c++/taskgroup-1.C: New test.
 486         * testsuite/libgomp.c/cancel-taskgroup-1.c: New test.
 487         * testsuite/libgomp.c/cancel-taskgroup-2.c: New test.
 488         * testsuite/libgomp.c/taskgroup-1.c: New test.
 489         * testsuite/libgomp.c/cancel-parallel-3.c (do_some_work): Use
 490         void return type.
 491
 492 2013-09-24  Richard Henderson  <rth@redhat.com>
 493             Jakub Jelinek  <jakub@redhat.com>
 494
 495         * libgomp.map (GOMP_4.0): Export GOMP_barrier_cancel,
 496         GOMP_loop_end_cancel, GOMP_sections_end_cancel.
 497         * parallel.c (GOMP_cancellation_point): Add WHICH argument, do nothing
 498         if gomp_cancel_var is false, handle workshare and parallel
 499         cancellation point, add ialias.
 500         (GOMP_cancel): Add WHICH and DO_CANCEL arguments, do nothing if
 501         gomp_cancel_var is false, call GOMP_cancellation_point if DO_CANCEL
 502         is false, handle workshare and parallel cancellation.
 503         * config/posix/bar.c (gomp_barrier_init): Clear cancellable field.
 504         (gomp_team_barrier_wait_end): Clear BAR_CANCELLED from state.
 505         Set work_share_cancelled to 0 on last thread, use __atomic_load_n.
 506         (gomp_team_barrier_wait_cancel_end, gomp_team_barrier_wait_cancel,
 507         gomp_team_barrier_cancel): New functions.
 508         * config/posix/bar.h (gomp_barrier_t): Add cancellable field.
 509         (BAR_CANCELLED): Define.
 510         (BAR_INCR): Set to 8.
 511         (gomp_team_barrier_wait_cancel, gomp_team_barrier_wait_cancel_end,
 512         gomp_team_barrier_cancel): New prototypes.
 513         (gomp_barrier_wait_start): Preserve BAR_CANCELLED bit.
 514         (gomp_barrier_wait_cancel_start, gomp_team_barrier_wait_final,
 515         gomp_team_barrier_cancelled): New inline functions.
 516         * config/linux/bar.c (gomp_team_barrier_wait_end): Clear BAR_CANCELLED
 517         from state where needed.  Set work_share_cancelled to 0 on last thread.
 518         (gomp_team_barrier_wait_final, gomp_team_barrier_wait_cancel_end,
 519         gomp_team_barrier_wait_cancel, gomp_team_barrier_cancel): New
 520         functions.
 521         * config/linux/bar.h (gomp_barrier_t): Add awaited_final field.
 522         (BAR_CANCELLED): Define.
 523         (BAR_INCR): Set to 8.
 524         (gomp_barrier_init): Initialize awaited_final field.
 525         (gomp_team_barrier_wait_final, gomp_team_barrier_wait_cancel,
 526         gomp_team_barrier_wait_cancel_end, gomp_team_barrier_cancel): New
 527         prototypes.
 528         (gomp_barrier_wait_start): Preserve BAR_CANCELLED bit.
 529         (gomp_barrier_wait_cancel_start, gomp_team_barrier_wait_final_start,
 530         gomp_team_barrier_cancelled): New inline functions.
 531         * work.c (gomp_work_share_end, gomp_work_share_end_nowait): Set
 532         team->work_shares_to_free to thr->ts.work_share before calling
 533         free_work_share.
 534         (gomp_work_share_end_cancel): New function.
 535         * team.c (gomp_thread_start): Use gomp_team_barrier_wait_final
 536         instead of gomp_team_barrier_wait.
 537         (gomp_new_team): Initialize work_shares_to_free, work_share_cancelled
 538         and team_cancelled fields.
 539         (gomp_team_end): Use gomp_team_barrier_wait_final instead of
 540         gomp_team_barrier_wait.  If team->team_cancelled, call
 541         gomp_fini_worshare on ws chain starting at team->work_shares_to_free
 542         rather than thr->ts.work_share.
 543         * env.c (gomp_global_icv): Initialize target_data field.
 544         (gomp_cancel_var): New global variable.
 545         (handle_omp_display_env): Print cancel-var ICV.
 546         (initialize_env): Parse OMP_CANCELLATION env var.
 547         (omp_get_cancellation): Return gomp_cancel_var.
 548         * barrier.c (GOMP_barrier_cancel): New function.
 549         * libgomp.h (gomp_cancel_var): New extern decl.
 550         (struct gomp_team): Add work_shares_to_free, work_share_cancelled
 551         and team_cancelled fields.
 552         (gomp_cancel_kind): New enum.
 553         (gomp_work_share_end_cancel): New prototype.
 554         * libgomp_g.h (GOMP_barrier_cancel, GOMP_loop_end_cancel,
 555         GOMP_sections_end_cancel): New prototypes.
 556         (GOMP_cancel, GOMP_cancellation_point): Adjust prototypes.
 557         * task.c (GOMP_task): If gomp_team_barrier_cancelled, don't
 558         queue or start new tasks.
 559         (gomp_barrier_handle_tasks): If gomp_team_barrier_cancelled,
 560         don't start any new tasks, just free all tasks.
 561         * sections.c (GOMP_sections_end_cancel): New function.
 562         * loop.c (GOMP_loop_end_cancel): New function.
 563         * testsuite/libgomp.c/cancel-parallel-1.c: New test.
 564         * testsuite/libgomp.c/cancel-parallel-2.c: New test.
 565         * testsuite/libgomp.c/cancel-parallel-3.c: New test.
 566         * testsuite/libgomp.c/cancel-for-1.c: New test.
 567         * testsuite/libgomp.c/cancel-for-2.c: New test.
 568         * testsuite/libgomp.c/cancel-sections-1.c: New test.
 569
 570 2013-09-23  Michael Zolotukhin  <michael.v.zolotukhin@intel.com>
 571
 572         * configure.ac: Add checks for plugins support.
 573         * config.h.in: Regenerated.
 574         * configure: Regenerated.
 575         * target.c (struct target_mem_desc): Add device_descr field.
 576         (devices): New.
 577         (num_devices): New.
 578         (struct gomp_device_descr): New.
 579         (gomp_get_num_devices): Call gomp_target_init.
 580         (resolve_device): Return device_descr instead of int.
 581         (gomp_map_vars): Add devicep argument and update the function
 582         accordingly.
 583         (gomp_unmap_tgt): Likewise.
 584         (gomp_unmap_vars): Likewise.
 585         (gomp_update): Likewise.
 586         (GOMP_target): Use device_descr struct.
 587         (GOMP_target_data): Likewise.
 588         (GOMP_target_update): Likewise.
 589         (gomp_check_plugin_file_name): New.
 590         (gomp_load_plugin_for_device): New.
 591         (gomp_find_available_plugins): New.
 592         (gomp_target_init): New.
 593
 594 2013-09-19  Jakub Jelinek  <jakub@redhat.com>
 595
 596         * libgomp_g.h (GOMP_target): Change 3rd argument to const void *.
 597         (GOMP_target_data, GOMP_target_update): Add openmp_target argument.
 598         * target.c (GOMP_target): Change fnname argument to openmp_target,
 599         with const void * type.
 600         (GOMP_target_data, GOMP_target_update): Add openmp_target argument.
 601
 602         * testsuite/libgomp.c/simd-4.c: New test.
 603         * testsuite/libgomp.c/simd-5.c: New test.
 604         * testsuite/libgomp.c/udr-1.c: New test.
 605         * testsuite/libgomp.c/udr-2.c: New test.
 606         * testsuite/libgomp.c/udr-3.c: New test.
 607         * testsuite/libgomp.c++/udr-9.C: New test.
 608
 609 2013-09-18  Jakub Jelinek  <jakub@redhat.com>
 610
 611         * testsuite/libgomp.c++/simd-4.C: New test.
 612         * testsuite/libgomp.c++/simd-5.C: New test.
 613         * testsuite/libgomp.c++/simd-6.C: New test.
 614         * testsuite/libgomp.c++/simd-7.C: New test.
 615         * testsuite/libgomp.c++/udr-1.C: New test.
 616         * testsuite/libgomp.c++/udr-2.C: New test.
 617         * testsuite/libgomp.c++/udr-3.C: New test.
 618         * testsuite/libgomp.c++/udr-4.C: New test.
 619         * testsuite/libgomp.c++/udr-5.C: New test.
 620         * testsuite/libgomp.c++/udr-6.C: New test.
 621         * testsuite/libgomp.c++/udr-7.C: New test.
 622         * testsuite/libgomp.c++/udr-8.C: New test.
 623
 624 2013-09-16  Jakub Jelinek  <jakub@redhat.com>
 625
 626         * splay-tree.h: New file.
 627         * target.c: Include stdbool.h.
 628         (splay_tree_node, splay_tree, splay_tree_key): New typedefs.
 629         (struct target_mem_desc, struct splay_tree_key_s): New structures.
 630         (splay_compare): New inline function.
 631         (gomp_get_num_devices): New function.
 632         (resolve_device): Use default_device_var ICV.  Add temporarily
 633         magic testing device number 257.
 634         (dev_splay_tree, dev_env_lock): New variables.
 635         (gomp_map_vars_existing, gomp_map_vars, gomp_unmap_tgt,
 636         gomp_unmap_vars, gomp_update): New functions.
 637         (GOMP_target, GOMP_target_data, GOMP_target_end_data,
 638         GOMP_target_update): Add support for magic testing device number 257.
 639         * libgomp.h (struct target_mem_desc): Forward declare.
 640         (struct gomp_task_icv): Add default_device_var and target_data.
 641         (gomp_get_num_devices): New prototype.
 642         * env.c (gomp_global_icv): Add default_device_var initializer.
 643         (parse_int): New function.
 644         (handle_omp_display_env): Print OMP_DEFAULT_DEVICE.
 645         (initialize_env): Initialize default_device_var.
 646         (omp_set_default_device): Set default_device_var ICV.
 647         (omp_get_default_device): Query default_device_var ICV.
 648         (omp_get_num_devices): Call gomp_get_num_devices.
 649         (omp_get_num_teams, omp_get_team_num, omp_is_initial_device): Add
 650         comments.
 651
 652 2013-09-13  Jakub Jelinek  <jakub@redhat.com>
 653
 654         PR tree-optimization/58392
 655         * testsuite/libgomp.c/pr58392.c: New test.
 656
 657 2013-09-06  Jakub Jelinek  <jakub@redhat.com>
 658
 659         * testsuite/libgomp.c/target-2.c: New test.
 660         * testsuite/libgomp.c++/target-3.C: New test.
 661
 662 2013-09-05  Jakub Jelinek  <jakub@redhat.com>
 663
 664         * testsuite/libgomp.c++/target-2.C: New test.
 665         * testsuite/libgomp.c++/target-2-aux.cc: New file.
 666
 667         * libgomp.map (GOMP_4.0): Add GOMP_target, GOMP_target_data,
 668         GOMP_target_end_data, GOMP_target_update and GOMP_teams.
 669         * Makefile.am (libgomp_la_SOURCES): Add target.c.
 670         * Makefile.in: Regenerated.
 671         * target.c: New file.
 672         * libgomp_g.h (GOMP_target, GOMP_target_data,
 673         GOMP_target_end_data, GOMP_target_update, GOMP_teams): New prototypes.
 674         * testsuite/libgomp.c++/for-11.C (main): Uncomment
 675         #pragma omp target teams directive.
 676         * testsuite/libgomp.c/for-3.c (main): Likewise.
 677         * testsuite/libgomp.c++/target-1.C: New test.
 678         * testsuite/libgomp.c/target-1.c: New test.
 679
 680 2013-07-06  Jakub Jelinek  <jakub@redhat.com>
 681
 682         * testsuite/libgomp.c/for-3.c: New test.
 683         * testsuite/libgomp.c/simd-1.c: New test.
 684         * testsuite/libgomp.c/simd-2.c: New test.
 685         * testsuite/libgomp.c/simd-3.c: New test.
 686
 687 2013-07-05  Richard Henderson  <rth@redhat.com>
 688
 689         * config/linux/bar.c (gomp_team_barrier_wait_end): Remove one more
 690         hard-coded constant.
 691
 692 2013-07-03  Richard Henderson  <rth@redhat.com>
 693
 694         * config/linux/bar.h (BAR_TASK_PENDING, BAR_WAS_LAST,
 695         BAR_WAITING_FOR_TASK, BAR_INCR): New.
 696         (gomp_barrier_wait_start, gomp_barrier_last_thread,
 697         gomp_team_barrier_set_task_pending,
 698         gomp_team_barrier_clear_task_pending,
 699         gomp_team_barrier_set_waiting_for_tasks,
 700         gomp_team_barrier_waiting_for_tasks,
 701         gomp_team_barrier_done): Use them.
 702         * config/linux/bar.c (gomp_barrier_wait_end,
 703         gomp_barrier_wait_last, gomp_team_barrier_wait_end): Likewise.
 704         * config/posix/bar.h, config/posix/bar.c: Similarly.
 705
 706 2013-07-03  Jakub Jelinek  <jakub@redhat.com>
 707
 708         * testsuite/libgomp.c++/atomic-14.C: Adjust for stricter atomic
 709         seq_cst parser.
 710         * testsuite/libgomp.c++/atomic-15.C: Likewise.
 711         * testsuite/libgomp.c/atomic-17.c: Likewise.
 712
 713 2013-06-28  Jakub Jelinek  <jakub@redhat.com>
 714
 715         * testsuite/libgomp.c++/simd-1.C: New test.
 716         * testsuite/libgomp.c++/simd-2.C: New test.
 717         * testsuite/libgomp.c++/simd-3.C: New test.
 718
 719 2013-06-21  Jakub Jelinek  <jakub@redhat.com>
 720
 721         * testsuite/libgomp.c/for-1.h: New file.
 722         * testsuite/libgomp.c/for-2.h: New file.
 723         * testsuite/libgomp.c/for-1.c: New test.
 724         * testsuite/libgomp.c/for-2.c: New test.
 725         * testsuite/libgomp.c++/for-9.C: New test.
 726         * testsuite/libgomp.c++/for-10.C: New test.
 727         * testsuite/libgomp.c++/for-11.C: New test.
 728
 729 2013-06-12  Jakub Jelinek  <jakub@redhat.com>
 730
 731         * fortran.c (omp_is_initial_device): Add ialias_redirect.
 732         (omp_is_initial_device_): New function.
 733         * omp_lib.f90.in (omp_is_initial_device): New interface.
 734         * omp.h.in (omp_is_initial_device): New prototype.
 735         * libgomp.map (omp_is_initial_device, omp_is_initial_device_):
 736         Export @@OMP_4.0.
 737         * env.c (omp_is_initial_device): New function.  Add ialias for it.
 738         * omp_lib.h.in (omp_is_initial_device): New external.
 739
 740         * omp_lib.f90.in (omp_get_dynamic, omp_get_nested,
 741         omp_in_parallel, omp_get_max_threads, omp_get_num_procs,
 742         omp_get_num_threads, omp_get_thread_num, omp_get_thread_limit,
 743         omp_set_max_active_levels, omp_get_max_active_levels,
 744         omp_get_level, omp_get_ancestor_thread_num,
 745         omp_get_team_size, omp_get_active_level, omp_in_final,
 746         omp_get_cancellation, omp_get_default_device,
 747         omp_get_num_devices, omp_get_num_teams, omp_get_team_num): Remove
 748         useless use omp_lib_kinds.
 749
 750 2013-04-30  Jakub Jelinek  <jakub@redhat.com>
 751
 752         * testsuite/libgomp.c/atomic-17.c: New test.
 753         * testsuite/libgomp.c++/atomic-14.C: New test.
 754         * testsuite/libgomp.c++/atomic-15.C: New test.
 755
 756 2013-04-10  Jakub Jelinek  <jakub@redhat.com>
 757
 758         * libgomp.map (omp_get_cancellation, omp_get_cancellation_,
 759         omp_get_proc_bind, omp_get_proc_bind_, omp_set_default_device,
 760         omp_set_default_device_, omp_set_default_device_8_,
 761         omp_get_default_device, omp_get_default_device_,
 762         omp_get_num_devices, omp_get_num_devices_, omp_get_num_teams,
 763         omp_get_num_teams_, omp_get_team_num, omp_get_team_num_): Export
 764         @@OMP_4.0.
 765         (GOMP_cancel, GOMP_cancellation_point, GOMP_parallel_loop_dynamic,
 766         GOMP_parallel_loop_guided, GOMP_parallel_loop_runtime,
 767         GOMP_parallel_loop_static, GOMP_parallel_sections, GOMP_parallel,
 768         GOMP_taskgroup_start, GOMP_taskgroup_end): Export @@GOMP_4.0.
 769         * parallel.c (GOMP_parallel_end): Add ialias.
 770         (GOMP_parallel, GOMP_cancel, GOMP_cancellation_point): New
 771         functions.
 772         * omp.h.in (omp_proc_bind_t): New typedef.
 773         (omp_get_cancellation, omp_get_proc_bind, omp_set_default_device,
 774         omp_get_default_device, omp_get_num_devices, omp_get_num_teams,
 775         omp_get_team_num): New prototypes.
 776         * env.c (omp_get_cancellation, omp_get_proc_bind,
 777         omp_set_default_device, omp_get_default_device, omp_get_num_devices,
 778         omp_get_num_teams, omp_get_team_num): New functions.
 779         * fortran.c (ULP, STR1, STR2, ialias_redirect): Removed.
 780         (omp_get_cancellation_, omp_get_proc_bind_, omp_set_default_device_,
 781         omp_set_default_device_8_, omp_get_default_device_,
 782         omp_get_num_devices_, omp_get_num_teams_, omp_get_team_num_): New
 783         functions.
 784         * libgomp.h (ialias_ulp, ialias_str1, ialias_str2, ialias_redirect,
 785         ialias_call): Define.
 786         * libgomp_g.h (GOMP_parallel_loop_static, GOMP_parallel_loop_dynamic,
 787         GOMP_parallel_loop_guided, GOMP_parallel_loop_runtime, GOMP_parallel,
 788         GOMP_cancel, GOMP_cancellation_point, GOMP_taskgroup_start,
 789         GOMP_taskgroup_end, GOMP_parallel_sections): New prototypes.
 790         * task.c (GOMP_taskgroup_start, GOMP_taskgroup_end): New functions.
 791         * sections.c (GOMP_parallel_sections): New function.
 792         * loop.c (GOMP_parallel_loop_static, GOMP_parallel_loop_dynamic,
 793         GOMP_parallel_loop_guided, GOMP_parallel_loop_runtime): New
 794         functions.
 795         (GOMP_parallel_end): Add ialias_redirect.
 796         * omp_lib.f90.in (omp_proc_bind_kind, omp_proc_bind_false,
 797         omp_proc_bind_true, omp_proc_bind_master, omp_proc_bind_close,
 798         omp_proc_bind_spread): New params.
 799         (omp_get_cancellation, omp_get_proc_bind, omp_set_default_device,
 800         omp_get_default_device, omp_get_num_devices, omp_get_num_teams,
 801         omp_get_team_num): New interfaces.
 802         * omp_lib.h.in (omp_proc_bind_kind, omp_proc_bind_false,
 803         omp_proc_bind_true, omp_proc_bind_master, omp_proc_bind_close,
 804         omp_proc_bind_spread): New params.
 805         (omp_get_cancellation, omp_get_proc_bind, omp_set_default_device,
 806         omp_get_default_device, omp_get_num_devices, omp_get_num_teams,
 807         omp_get_team_num): New externals.
 808
 809 2013-03-20  Tobias Burnus  <burnus@net-b.de>
 810
 811         * libgomp.texi (Environment Variables): Minor cleanup,
 812         update section refs to OpenMP 4.0rc2.
 813         (OMP_DISPLAY_ENV, GOMP_SPINCOUNT): Document these
 814         environment variables.
 815
 816 2013-03-20  Tobias Burnus  <burnus@net-b.de>
 817
 818         * env.c (handle_omp_display_env): New function.
 819         (initialize_env): Use it.
 820
 821 2013-03-20  Jakub Jelinek  <jakub@redhat.com>
 822
 823         * testsuite/libgomp.c/atomic-14.c: Add parens to make it valid.
 824         * testsuite/libgomp.c/atomic-15.c: New test.
 825         * testsuite/libgomp.c/atomic-16.c: New test.
 826
 827         * testsuite/libgomp.c++/atomic-10.C: New test.
 828         * testsuite/libgomp.c++/atomic-11.C: New test.
 829         * testsuite/libgomp.c++/atomic-12.C: New test.
 830         * testsuite/libgomp.c++/atomic-13.C: New test.
 831 \f
 832 Copyright (C) 2013-2014 Free Software Foundation, Inc.
 833
 834 Copying and distribution of this file, with or without modification,
 835 are permitted in any medium without royalty provided the copyright
 836 notice and this notice are preserved.