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Member "stress-ng-0.09.56/test/test-target-clones.c" (15 Mar 2019, 1633 Bytes) of package /linux/privat/stress-ng-0.09.56.tar.xz:


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    1 /*
    2  * Copyright (C) 2013-2019 Canonical, Ltd.
    3  *
    4  * This program is free software; you can redistribute it and/or
    5  * modify it under the terms of the GNU General Public License
    6  * as published by the Free Software Foundation; either version 2
    7  * of the License, or (at your option) any later version.
    8  *
    9  * This program is distributed in the hope that it will be useful,
   10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   12  * GNU General Public License for more details.
   13  *
   14  * You should have received a copy of the GNU General Public License
   15  * along with this program; if not, write to the Free Software
   16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
   17  *
   18  * This code is a complete clean re-write of the stress tool by
   19  * Colin Ian King <colin.king@canonical.com> and attempts to be
   20  * backwardly compatible with the stress tool by Amos Waterland
   21  * <apw@rossby.metr.ou.edu> but has more stress tests and more
   22  * functionality.
   23  *
   24  */
   25 
   26 #include <features.h>
   27 #include "../stress-version.h"
   28 
   29 /*
   30  *  For now, only x86-64 systems with GNUC > 5.5 are known
   31  *  to support this attribute reliably.
   32  */
   33 #if defined(__GNUC__) && \
   34     defined(__GLIBC__) && \
   35     NEED_GNUC(5,5,0) && \
   36     (defined(__x86_64__) || defined(__x86_64))
   37 
   38 #define TARGET_CLONES   __attribute__((target_clones("sse","sse2","ssse3", "sse4.1", "sse4a", "avx","avx2","default")))
   39 
   40 static int TARGET_CLONES have_target_clones(void)
   41 {
   42     return 0;
   43 }
   44 
   45 int main(void)
   46 {
   47     return have_target_clones();
   48 }
   49 
   50 #else
   51 #error target clones attribute not supported
   52 #endif