| /* Copyright (C) 2015-2022 Free Software Foundation, Inc. |
| Contributed by Dmitry Melnik <dm@ispras.ru> |
| |
| 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 implements timer routines for NVPTX. It uses the %clock64 cycle |
| counter. */ |
| |
| #include "libgomp.h" |
| |
| /* This is set from host in plugin-nvptx.c. */ |
| double __nvptx_clocktick = 0; |
| |
| double |
| omp_get_wtime (void) |
| { |
| uint64_t clock; |
| asm ("mov.u64 %0, %%clock64;" : "=r" (clock)); |
| return clock * __nvptx_clocktick; |
| } |
| |
| double |
| omp_get_wtick (void) |
| { |
| return __nvptx_clocktick; |
| } |
| |
| ialias (omp_get_wtime) |
| ialias (omp_get_wtick) |
