| #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 |