-/* Copyright (C) 2005, 2008 Free Software Foundation, Inc.
+/* Copyright (C) 2005-2017 Free Software Foundation, Inc.
Contributed by Richard Henderson <rth@redhat.com>.
- This file is part of the GNU OpenMP Library (libgomp).
+ This file is part of the GNU Offloading and Multi Processing Library
+ (libgomp).
Libgomp is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
+ under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3, or (at your option)
+ any later version.
Libgomp is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
- FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
+ FOR A PARTICULAR PURPOSE. See the GNU General Public License for
more details.
- You should have received a copy of the GNU Lesser General Public License
- along with libgomp; see the file COPYING.LIB. If not, write to the
- Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
- MA 02110-1301, USA. */
+ Under Section 7 of GPL version 3, you are granted additional
+ permissions described in the GCC Runtime Library Exception, version
+ 3.1, as published by the Free Software Foundation.
-/* As a special exception, if you link this library with other files, some
- of which are compiled with GCC, to produce an executable, this library
- does not by itself cause the resulting executable to be covered by the
- GNU General Public License. This exception does not however invalidate
- any other reasons why the executable file might be covered by the GNU
- General Public License. */
+ You should have received a copy of the GNU General Public License and
+ a copy of the GCC Runtime Library Exception along with this program;
+ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+ <http://www.gnu.org/licenses/>. */
/* This file handles the LOOP (FOR/DO) construct. */
{
case GFS_STATIC:
return gomp_loop_ull_static_start (up, start, end, incr,
- icv->run_sched_modifier,
+ icv->run_sched_chunk_size,
istart, iend);
case GFS_DYNAMIC:
return gomp_loop_ull_dynamic_start (up, start, end, incr,
- icv->run_sched_modifier,
+ icv->run_sched_chunk_size,
istart, iend);
case GFS_GUIDED:
return gomp_loop_ull_guided_start (up, start, end, incr,
- icv->run_sched_modifier,
+ icv->run_sched_chunk_size,
istart, iend);
case GFS_AUTO:
/* For now map to schedule(static), later on we could play with feedback
{
case GFS_STATIC:
return gomp_loop_ull_ordered_static_start (up, start, end, incr,
- icv->run_sched_modifier,
+ icv->run_sched_chunk_size,
istart, iend);
case GFS_DYNAMIC:
return gomp_loop_ull_ordered_dynamic_start (up, start, end, incr,
- icv->run_sched_modifier,
+ icv->run_sched_chunk_size,
istart, iend);
case GFS_GUIDED:
return gomp_loop_ull_ordered_guided_start (up, start, end, incr,
- icv->run_sched_modifier,
+ icv->run_sched_chunk_size,
istart, iend);
case GFS_AUTO:
/* For now map to schedule(static), later on we could play with feedback
}
}
+/* The *_doacross_*_start routines are similar. The only difference is that
+ this work-share construct is initialized to expect an ORDERED(N) - DOACROSS
+ section, and the worksharing loop iterates always from 0 to COUNTS[0] - 1
+ and other COUNTS array elements tell the library number of iterations
+ in the ordered inner loops. */
+
+static bool
+gomp_loop_ull_doacross_static_start (unsigned ncounts, gomp_ull *counts,
+ gomp_ull chunk_size, gomp_ull *istart,
+ gomp_ull *iend)
+{
+ struct gomp_thread *thr = gomp_thread ();
+
+ thr->ts.static_trip = 0;
+ if (gomp_work_share_start (false))
+ {
+ gomp_loop_ull_init (thr->ts.work_share, true, 0, counts[0], 1,
+ GFS_STATIC, chunk_size);
+ gomp_doacross_ull_init (ncounts, counts, chunk_size);
+ gomp_work_share_init_done ();
+ }
+
+ return !gomp_iter_ull_static_next (istart, iend);
+}
+
+static bool
+gomp_loop_ull_doacross_dynamic_start (unsigned ncounts, gomp_ull *counts,
+ gomp_ull chunk_size, gomp_ull *istart,
+ gomp_ull *iend)
+{
+ struct gomp_thread *thr = gomp_thread ();
+ bool ret;
+
+ if (gomp_work_share_start (false))
+ {
+ gomp_loop_ull_init (thr->ts.work_share, true, 0, counts[0], 1,
+ GFS_DYNAMIC, chunk_size);
+ gomp_doacross_ull_init (ncounts, counts, chunk_size);
+ gomp_work_share_init_done ();
+ }
+
+#if defined HAVE_SYNC_BUILTINS && defined __LP64__
+ ret = gomp_iter_ull_dynamic_next (istart, iend);
+#else
+ gomp_mutex_lock (&thr->ts.work_share->lock);
+ ret = gomp_iter_ull_dynamic_next_locked (istart, iend);
+ gomp_mutex_unlock (&thr->ts.work_share->lock);
+#endif
+
+ return ret;
+}
+
+static bool
+gomp_loop_ull_doacross_guided_start (unsigned ncounts, gomp_ull *counts,
+ gomp_ull chunk_size, gomp_ull *istart,
+ gomp_ull *iend)
+{
+ struct gomp_thread *thr = gomp_thread ();
+ bool ret;
+
+ if (gomp_work_share_start (false))
+ {
+ gomp_loop_ull_init (thr->ts.work_share, true, 0, counts[0], 1,
+ GFS_GUIDED, chunk_size);
+ gomp_doacross_ull_init (ncounts, counts, chunk_size);
+ gomp_work_share_init_done ();
+ }
+
+#if defined HAVE_SYNC_BUILTINS && defined __LP64__
+ ret = gomp_iter_ull_guided_next (istart, iend);
+#else
+ gomp_mutex_lock (&thr->ts.work_share->lock);
+ ret = gomp_iter_ull_guided_next_locked (istart, iend);
+ gomp_mutex_unlock (&thr->ts.work_share->lock);
+#endif
+
+ return ret;
+}
+
+bool
+GOMP_loop_ull_doacross_runtime_start (unsigned ncounts, gomp_ull *counts,
+ gomp_ull *istart, gomp_ull *iend)
+{
+ struct gomp_task_icv *icv = gomp_icv (false);
+ switch (icv->run_sched_var)
+ {
+ case GFS_STATIC:
+ return gomp_loop_ull_doacross_static_start (ncounts, counts,
+ icv->run_sched_chunk_size,
+ istart, iend);
+ case GFS_DYNAMIC:
+ return gomp_loop_ull_doacross_dynamic_start (ncounts, counts,
+ icv->run_sched_chunk_size,
+ istart, iend);
+ case GFS_GUIDED:
+ return gomp_loop_ull_doacross_guided_start (ncounts, counts,
+ icv->run_sched_chunk_size,
+ istart, iend);
+ case GFS_AUTO:
+ /* For now map to schedule(static), later on we could play with feedback
+ driven choice. */
+ return gomp_loop_ull_doacross_static_start (ncounts, counts,
+ 0, istart, iend);
+ default:
+ abort ();
+ }
+}
+
/* The *_next routines are called when the thread completes processing of
the iteration block currently assigned to it. If the work-share
construct is bound directly to a parallel construct, then the iteration
__attribute__((alias ("gomp_loop_ull_dynamic_start")));
extern __typeof(gomp_loop_ull_guided_start) GOMP_loop_ull_guided_start
__attribute__((alias ("gomp_loop_ull_guided_start")));
+extern __typeof(gomp_loop_ull_dynamic_start) GOMP_loop_ull_nonmonotonic_dynamic_start
+ __attribute__((alias ("gomp_loop_ull_dynamic_start")));
+extern __typeof(gomp_loop_ull_guided_start) GOMP_loop_ull_nonmonotonic_guided_start
+ __attribute__((alias ("gomp_loop_ull_guided_start")));
extern __typeof(gomp_loop_ull_ordered_static_start) GOMP_loop_ull_ordered_static_start
__attribute__((alias ("gomp_loop_ull_ordered_static_start")));
extern __typeof(gomp_loop_ull_ordered_guided_start) GOMP_loop_ull_ordered_guided_start
__attribute__((alias ("gomp_loop_ull_ordered_guided_start")));
+extern __typeof(gomp_loop_ull_doacross_static_start) GOMP_loop_ull_doacross_static_start
+ __attribute__((alias ("gomp_loop_ull_doacross_static_start")));
+extern __typeof(gomp_loop_ull_doacross_dynamic_start) GOMP_loop_ull_doacross_dynamic_start
+ __attribute__((alias ("gomp_loop_ull_doacross_dynamic_start")));
+extern __typeof(gomp_loop_ull_doacross_guided_start) GOMP_loop_ull_doacross_guided_start
+ __attribute__((alias ("gomp_loop_ull_doacross_guided_start")));
+
extern __typeof(gomp_loop_ull_static_next) GOMP_loop_ull_static_next
__attribute__((alias ("gomp_loop_ull_static_next")));
extern __typeof(gomp_loop_ull_dynamic_next) GOMP_loop_ull_dynamic_next
__attribute__((alias ("gomp_loop_ull_dynamic_next")));
extern __typeof(gomp_loop_ull_guided_next) GOMP_loop_ull_guided_next
__attribute__((alias ("gomp_loop_ull_guided_next")));
+extern __typeof(gomp_loop_ull_dynamic_next) GOMP_loop_ull_nonmonotonic_dynamic_next
+ __attribute__((alias ("gomp_loop_ull_dynamic_next")));
+extern __typeof(gomp_loop_ull_guided_next) GOMP_loop_ull_nonmonotonic_guided_next
+ __attribute__((alias ("gomp_loop_ull_guided_next")));
extern __typeof(gomp_loop_ull_ordered_static_next) GOMP_loop_ull_ordered_static_next
__attribute__((alias ("gomp_loop_ull_ordered_static_next")));
iend);
}
+bool
+GOMP_loop_ull_nonmonotonic_dynamic_start (bool up, gomp_ull start,
+ gomp_ull end, gomp_ull incr,
+ gomp_ull chunk_size,
+ gomp_ull *istart, gomp_ull *iend)
+{
+ return gomp_loop_ull_dynamic_start (up, start, end, incr, chunk_size, istart,
+ iend);
+}
+
+bool
+GOMP_loop_ull_nonmonotonic_guided_start (bool up, gomp_ull start, gomp_ull end,
+ gomp_ull incr, gomp_ull chunk_size,
+ gomp_ull *istart, gomp_ull *iend)
+{
+ return gomp_loop_ull_guided_start (up, start, end, incr, chunk_size, istart,
+ iend);
+}
+
bool
GOMP_loop_ull_ordered_static_start (bool up, gomp_ull start, gomp_ull end,
gomp_ull incr, gomp_ull chunk_size,
istart, iend);
}
+bool
+GOMP_loop_ull_doacross_static_start (unsigned ncounts, gomp_ull *counts,
+ gomp_ull chunk_size, gomp_ull *istart,
+ gomp_ull *iend)
+{
+ return gomp_loop_ull_doacross_static_start (ncounts, counts, chunk_size,
+ istart, iend);
+}
+
+bool
+GOMP_loop_ull_doacross_dynamic_start (unsigned ncounts, gomp_ull *counts,
+ gomp_ull chunk_size, gomp_ull *istart,
+ gomp_ull *iend)
+{
+ return gomp_loop_ull_doacross_dynamic_start (ncounts, counts, chunk_size,
+ istart, iend);
+}
+
+bool
+GOMP_loop_ull_doacross_guided_start (unsigned ncounts, gomp_ull *counts,
+ gomp_ull chunk_size, gomp_ull *istart,
+ gomp_ull *iend)
+{
+ return gomp_loop_ull_doacross_guided_start (ncounts, counts, chunk_size,
+ istart, iend);
+}
+
bool
GOMP_loop_ull_static_next (gomp_ull *istart, gomp_ull *iend)
{
return gomp_loop_ull_guided_next (istart, iend);
}
+bool
+GOMP_loop_ull_nonmonotonic_dynamic_next (gomp_ull *istart, gomp_ull *iend)
+{
+ return gomp_loop_ull_dynamic_next (istart, iend);
+}
+
+bool
+GOMP_loop_ull_nonmonotonic_guided_next (gomp_ull *istart, gomp_ull *iend)
+{
+ return gomp_loop_ull_guided_next (istart, iend);
+}
+
bool
GOMP_loop_ull_ordered_static_next (gomp_ull *istart, gomp_ull *iend)
{
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