/* Copyright (C) 2015-2017 Free Software Foundation, Inc. Contributed by Dmitry Melnik 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 . */ /* 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)