1 /* Copyright (C) 2005-2023 Free Software Foundation, Inc.
2 Contributed by Richard Henderson <rth@redhat.com>.
4 This file is part of the GNU Offloading and Multi Processing Library
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)
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
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.
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/>. */
26 /* This file defines OpenMP API entry points that accelerator targets are
27 expected to replace. */
32 omp_set_default_device (int device_num
)
34 struct gomp_task_icv
*icv
= gomp_icv (true);
35 icv
->default_device_var
= device_num
;
38 ialias (omp_set_default_device
)
41 omp_get_default_device (void)
43 struct gomp_task_icv
*icv
= gomp_icv (false);
44 return icv
->default_device_var
;
47 ialias (omp_get_default_device
)
50 omp_get_initial_device (void)
52 return gomp_get_num_devices ();
55 ialias (omp_get_initial_device
)
58 omp_get_num_devices (void)
60 return gomp_get_num_devices ();
63 ialias (omp_get_num_devices
)
66 omp_is_initial_device (void)
68 /* Hardcoded to 1 on host, should be 0 on MIC, HSAIL, PTX. */
72 ialias (omp_is_initial_device
)
75 omp_get_device_num (void)
77 /* By specification, this is equivalent to omp_get_initial_device
79 return ialias_call (omp_get_initial_device
) ();
82 ialias (omp_get_device_num
)
85 omp_get_max_teams (void)
87 return gomp_nteams_var
;
90 ialias (omp_get_max_teams
)
93 omp_set_num_teams (int num_teams
)
96 gomp_nteams_var
= num_teams
;
99 ialias (omp_set_num_teams
)
102 omp_get_teams_thread_limit (void)
104 return gomp_teams_thread_limit_var
;
107 ialias (omp_get_teams_thread_limit
)
110 omp_set_teams_thread_limit (int thread_limit
)
112 if (thread_limit
>= 0)
113 gomp_teams_thread_limit_var
= thread_limit
;
116 ialias (omp_set_teams_thread_limit
)