_mm_sad_pu8
Microsoft Specific
Computes the sum of the absolute differences of the unsigned bytes in a and b, returning the value in the lower word.
__m64 _mm_sad_pu8(__m64 a, __m64 b);
PSADBW
Return Value
The upper three words are cleared.
r0 = abs(a0-b0) + ... + abs(a7-b7)
r1 = r2 = r3 = 0
Requirements
Header: mmintrin.h
END Microsoft Specific