1/* Copyright (C) 2013-2020 Free Software Foundation, Inc.
2   Contributed by Jakub Jelinek <jakub@redhat.com>.
3
4   This file is part of the GNU Offloading and Multi Processing Library
5   (libgomp).
6
7   Libgomp is free software; you can redistribute it and/or modify it
8   under the terms of the GNU General Public License as published by
9   the Free Software Foundation; either version 3, or (at your option)
10   any later version.
11
12   Libgomp is distributed in the hope that it will be useful, but WITHOUT ANY
13   WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
14   FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
15   more details.
16
17   Under Section 7 of GPL version 3, you are granted additional
18   permissions described in the GCC Runtime Library Exception, version
19   3.1, as published by the Free Software Foundation.
20
21   You should have received a copy of the GNU General Public License and
22   a copy of the GCC Runtime Library Exception along with this program;
23   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
24   <http://www.gnu.org/licenses/>.  */
25
26#include "libgomp.h"
27#include <limits.h>
28
29void
30GOMP_teams (unsigned int num_teams, unsigned int thread_limit)
31{
32  if (thread_limit)
33    {
34      struct gomp_task_icv *icv = gomp_icv (true);
35      icv->thread_limit_var
36	= thread_limit > INT_MAX ? UINT_MAX : thread_limit;
37    }
38  unsigned int num_blocks, block_id;
39  asm ("mov.u32 %0, %%nctaid.x;" : "=r" (num_blocks));
40  asm ("mov.u32 %0, %%ctaid.x;" : "=r" (block_id));
41  if (!num_teams || num_teams >= num_blocks)
42    num_teams = num_blocks;
43  else if (block_id >= num_teams)
44    {
45      gomp_free_thread (nvptx_thrs);
46      asm ("exit;");
47    }
48  gomp_num_teams_var = num_teams - 1;
49}
50
51int
52omp_pause_resource (omp_pause_resource_t kind, int device_num)
53{
54  (void) kind;
55  (void) device_num;
56  return -1;
57}
58
59int
60omp_pause_resource_all (omp_pause_resource_t kind)
61{
62  (void) kind;
63  return -1;
64}
65
66ialias (omp_pause_resource)
67ialias (omp_pause_resource_all)
68