76 lines
2 KiB
C
76 lines
2 KiB
C
/* Copyright (C) 2015-2022 Free Software Foundation, Inc.
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Contributed by Alexander Monakov <amonakov@ispras.ru>
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This file is part of the GNU Offloading and Multi Processing Library
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(libgomp).
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Libgomp is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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Libgomp is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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/* This file defines OpenMP API entry points that accelerator targets are
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expected to replace. */
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#include "libgomp.h"
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void
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omp_set_default_device (int device_num __attribute__((unused)))
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{
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}
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int
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omp_get_default_device (void)
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{
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return 0;
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}
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int
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omp_get_initial_device (void)
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{
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return GOMP_DEVICE_HOST_FALLBACK;
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}
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int
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omp_get_num_devices (void)
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{
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return 0;
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}
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int
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omp_is_initial_device (void)
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{
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/* NVPTX is an accelerator-only target. */
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return 0;
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}
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/* This is set to the device number of current GPU during device initialization,
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when the offload image containing this libgomp portion is loaded. */
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static volatile int GOMP_DEVICE_NUM_VAR;
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int
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omp_get_device_num (void)
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{
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return GOMP_DEVICE_NUM_VAR;
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}
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ialias (omp_set_default_device)
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ialias (omp_get_default_device)
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ialias (omp_get_initial_device)
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ialias (omp_get_num_devices)
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ialias (omp_is_initial_device)
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ialias (omp_get_device_num)
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