_mm_sub_epi8
Microsoft Specific
Subtracts the 16 signed or unsigned 8-bit integers of b from the 16 signed or unsigned 8-bit integers of a.
__m128i _mm_sub_epi8 (__m128i a, __m128i b);
PSUBB
Return Value
r0 := a0 - b0
r1 := a1 - b1
...
r15 := a15 - b15
Requirements
Header: emmintrin.h
END Microsoft Specific