Alexander Monakov
6103184e81
OpenMP offloading to NVPTX: libgomp changes
* Makefile.am (libgomp_la_SOURCES): Add atomic.c, icv.c, icv-device.c.
* Makefile.in. Regenerate.
* configure.ac [nvptx*-*-*] (libgomp_use_pthreads): Set and use it...
(LIBGOMP_USE_PTHREADS): ...here; new define.
* configure: Regenerate.
* config.h.in: Likewise.
* config/posix/affinity.c: Move to...
* affinity.c: ...here (new file). Guard use of Pthreads-specific
interface by LIBGOMP_USE_PTHREADS.
* critical.c: Split out GOMP_atomic_{start,end} into...
* atomic.c: ...here (new file).
* env.c: Split out ICV definitions into...
* icv.c: ...here (new file) and...
* icv-device.c: ...here. New file.
* config/linux/lock.c (gomp_init_lock_30): Move to generic lock.c.
(gomp_destroy_lock_30): Ditto.
(gomp_set_lock_30): Ditto.
(gomp_unset_lock_30): Ditto.
(gomp_test_lock_30): Ditto.
(gomp_init_nest_lock_30): Ditto.
(gomp_destroy_nest_lock_30): Ditto.
(gomp_set_nest_lock_30): Ditto.
(gomp_unset_nest_lock_30): Ditto.
(gomp_test_nest_lock_30): Ditto.
* lock.c: New.
* config/nvptx/lock.c: New.
* config/nvptx/bar.c: New.
* config/nvptx/bar.h: New.
* config/nvptx/doacross.h: New.
* config/nvptx/error.c: New.
* config/nvptx/icv-device.c: New.
* config/nvptx/mutex.h: New.
* config/nvptx/pool.h: New.
* config/nvptx/proc.c: New.
* config/nvptx/ptrlock.h: New.
* config/nvptx/sem.h: New.
* config/nvptx/simple-bar.h: New.
* config/nvptx/target.c: New.
* config/nvptx/task.c: New.
* config/nvptx/team.c: New.
* config/nvptx/time.c: New.
* config/posix/simple-bar.h: New.
* libgomp.h: Guard pthread.h inclusion. Include simple-bar.h.
(gomp_num_teams_var): Declare.
(struct gomp_thread_pool): Change threads_dock member to
gomp_simple_barrier_t.
[__nvptx__] (gomp_thread): New implementation.
(gomp_thread_attr): Guard by LIBGOMP_USE_PTHREADS.
(gomp_thread_destructor): Ditto.
(gomp_init_thread_affinity): Ditto.
* team.c: Guard uses of Pthreads-specific interfaces by
LIBGOMP_USE_PTHREADS. Adjust all uses of threads_dock.
(gomp_free_thread) [__nvptx__]: Do not call 'free'.
* config/nvptx/alloc.c: Delete.
* config/nvptx/barrier.c: Ditto.
* config/nvptx/fortran.c: Ditto.
* config/nvptx/iter.c: Ditto.
* config/nvptx/iter_ull.c: Ditto.
* config/nvptx/loop.c: Ditto.
* config/nvptx/loop_ull.c: Ditto.
* config/nvptx/ordered.c: Ditto.
* config/nvptx/parallel.c: Ditto.
* config/nvptx/priority_queue.c: Ditto.
* config/nvptx/sections.c: Ditto.
* config/nvptx/single.c: Ditto.
* config/nvptx/splay-tree.c: Ditto.
* config/nvptx/work.c: Ditto.
* testsuite/libgomp.fortran/fortran.exp (lang_link_flags): Pass
-foffload=-lgfortran in addition to -lgfortran.
* testsuite/libgomp.oacc-fortran/fortran.exp (lang_link_flags): Ditto.
* plugin/plugin-nvptx.c: Include <limits.h>.
(struct targ_fn_descriptor): Add new fields.
(struct ptx_device): Ditto. Set them...
(nvptx_open_device): ...here.
(nvptx_adjust_launch_bounds): New.
(nvptx_host2dev): Allow NULL 'nvthd'.
(nvptx_dev2host): Ditto.
(GOMP_OFFLOAD_get_caps): Add GOMP_OFFLOAD_CAP_OPENMP_400.
(link_ptx): Adjust log sizes.
(nvptx_host2dev): Allow NULL 'nvthd'.
(nvptx_dev2host): Ditto.
(nvptx_set_clocktick): New. Use it...
(GOMP_OFFLOAD_load_image): ...here. Set new targ_fn_descriptor
fields.
(GOMP_OFFLOAD_dev2dev): New.
(nvptx_adjust_launch_bounds): New.
(nvptx_stacks_size): New.
(nvptx_stacks_alloc): New.
(nvptx_stacks_free): New.
(GOMP_OFFLOAD_run): New.
(GOMP_OFFLOAD_async_run): New (stub).
Co-Authored-By: Dmitry Melnik <dm@ispras.ru>
Co-Authored-By: Jakub Jelinek <jakub@redhat.com>
From-SVN: r242789