diff options
Diffstat (limited to 'libavutil/x86')
| -rw-r--r-- | libavutil/x86/intmath.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libavutil/x86/intmath.h b/libavutil/x86/intmath.h index e83971c084..40743fd13e 100644 --- a/libavutil/x86/intmath.h +++ b/libavutil/x86/intmath.h @@ -47,7 +47,8 @@ static av_always_inline av_const int ff_log2_x86(unsigned int v) # endif # define ff_log2_16bit av_log2 -#if defined(__INTEL_COMPILER) || (defined(_MSC_VER) && (_MSC_VER >= 1700)) +#if defined(__INTEL_COMPILER) || (defined(_MSC_VER) && (_MSC_VER >= 1700) && \ + (defined(__BMI__) || !defined(__clang__))) # define ff_ctz(v) _tzcnt_u32(v) # if ARCH_X86_64 |