gcc/libgomp/icv-device.c
2024-01-03 12:19:35 +01:00

121 lines
2.7 KiB
C

/* Copyright (C) 2005-2024 Free Software Foundation, Inc.
Contributed by Richard Henderson <rth@redhat.com>.
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 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 General Public License for
more details.
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.
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 defines OpenMP API entry points that accelerator targets are
expected to replace. */
#include "libgomp.h"
#include <limits.h>
void
omp_set_default_device (int device_num)
{
struct gomp_task_icv *icv = gomp_icv (true);
icv->default_device_var = device_num;
}
ialias (omp_set_default_device)
int
omp_get_default_device (void)
{
struct gomp_task_icv *icv = gomp_icv (false);
if (icv->default_device_var == INT_MIN)
/* This implies OMP_TARGET_OFFLOAD=mandatory. */
gomp_init_targets_once ();
return icv->default_device_var;
}
ialias (omp_get_default_device)
int
omp_get_initial_device (void)
{
return gomp_get_num_devices ();
}
ialias (omp_get_initial_device)
int
omp_get_num_devices (void)
{
return gomp_get_num_devices ();
}
ialias (omp_get_num_devices)
int
omp_is_initial_device (void)
{
/* Hardcoded to 1 on host, should be 0 on MIC, HSAIL, PTX. */
return 1;
}
ialias (omp_is_initial_device)
int
omp_get_device_num (void)
{
/* By specification, this is equivalent to omp_get_initial_device
on the host. */
return ialias_call (omp_get_initial_device) ();
}
ialias (omp_get_device_num)
int
omp_get_max_teams (void)
{
return gomp_nteams_var;
}
ialias (omp_get_max_teams)
void
omp_set_num_teams (int num_teams)
{
if (num_teams >= 0)
gomp_nteams_var = num_teams;
}
ialias (omp_set_num_teams)
int
omp_get_teams_thread_limit (void)
{
return gomp_teams_thread_limit_var;
}
ialias (omp_get_teams_thread_limit)
void
omp_set_teams_thread_limit (int thread_limit)
{
if (thread_limit >= 0)
gomp_teams_thread_limit_var = thread_limit;
}
ialias (omp_set_teams_thread_limit)