One of my friend told me that there are two "x264_" prefix in mc-a.asm. He told me that this "x264_" prefix are not needed. How do you think? The file is located at "x265/source/common/x86/mc-a.asm". The line number is 3323 and 3326. 3323 jb x264_pixel_avg2_w16_sse2 3324 or eax, r4m 3325 and eax, 7 3326 jz x264_pixel_avg2_w16_sse2 // Miya