projects / thirdparty / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| 8d9254fc | 1 | /* Copyright (C) 2015-2020 Free Software Foundation, Inc. |
| 6103184e AM |
2 | Contributed by Dmitry Melnik <dm@ispras.ru> |
| 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 | /* This file implements timer routines for NVPTX. It uses the %clock64 cycle | |
| 27 | counter. */ | |
| 28 | ||
| 29 | #include "libgomp.h" | |
| 30 | ||
| 31 | /* This is set from host in plugin-nvptx.c. */ | |
| 32 | double __nvptx_clocktick = 0; | |
| 33 | ||
| 34 | double | |
| 35 | omp_get_wtime (void) | |
| 36 | { | |
| 37 | uint64_t clock; | |
| 38 | asm ("mov.u64 %0, %%clock64;" : "=r" (clock)); | |
| 39 | return clock * __nvptx_clocktick; | |
| 40 | } | |
| 41 | ||
| 42 | double | |
| 43 | omp_get_wtick (void) | |
| 44 | { | |
| 45 | return __nvptx_clocktick; | |
| 46 | } | |
| 47 | ||
| 48 | ialias (omp_get_wtime) | |
| 49 | ialias (omp_get_wtick) |