/* * Copyright (C) 2013-2020 Canonical, Ltd. * * This program 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 2 * of the License, or (at your option) any later version. * * This program 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. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * * This code is a complete clean re-write of the stress tool by * Colin Ian King and attempts to be * backwardly compatible with the stress tool by Amos Waterland * but has more stress tests and more * functionality. * */ #include #include "../stress-version.h" /* * For now, only x86-64 systems with GNUC > 5.5 are known * to support this attribute reliably. */ #if defined(__GNUC__) && \ defined(__GLIBC__) && \ NEED_GNUC(5,5,0) #if (defined(__x86_64__) || defined(__x86_64)) #define TARGET_CLONES __attribute__((target_clones("sse","sse2","ssse3", "sse4.1", "sse4a", "avx","avx2","default"))) #elif defined(__PPC64__) #define TARGET_CLONES __attribute__((target_clones("cpu=power9,default"))) #else #error target clones not supported #endif static int TARGET_CLONES have_target_clones(void) { return 0; } int main(void) { return have_target_clones(); } #else #error target clones attribute not supported #endif