diff options
Diffstat (limited to 'fmv.h')
-rw-r--r-- | fmv.h | 20 |
1 files changed, 20 insertions, 0 deletions
@@ -0,0 +1,20 @@ +#ifndef FMV_H + +#if HAVE_FUNC_ATTRIBUTE_IFUNC +#if defined(__has_attribute) +#if __has_attribute(target_clones) +#if defined(__x86_64) + +// see https://gcc.gnu.org/wiki/FunctionMultiVersioning +#define PF_TARGET_CLONES __attribute__((target_clones("avx","sse4.2","sse3","sse2","sse","default"))) +#define HAVE_PF_TARGET_CLONES 1 +#endif +#endif +#endif +#endif + +#ifndef PF_TARGET_CLONES +#define PF_TARGET_CLONES +#endif + +#endif |