diff options
| -rw-r--r-- | libavutil/x86/intmath.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libavutil/x86/intmath.h b/libavutil/x86/intmath.h index 61d1a7347c..d504079893 100644 --- a/libavutil/x86/intmath.h +++ b/libavutil/x86/intmath.h @@ -22,6 +22,9 @@ #define AVUTIL_X86_INTMATH_H #include <stdint.h> +#if HAVE_FAST_CLZ && (defined(__INTEL_COMPILER) || defined(_MSC_VER)) +#include <immintrin.h> +#endif #include "config.h" #if HAVE_FAST_CLZ |