_mm512_subs_epi8
Classification
AVX-512, Arithmetic, CPUID Test: AVX512BW
Header File
immintrin.h
Instruction
VPSUBSB zmm, zmm, zmm
Synopsis
 _mm512_subs_epi8(__m512i a, __m512i b);
Description
Subtract packed signed 8-bit integers in "b" from packed 8-bit integers in "a" using saturation, and store the results in "dst".
Operation
FOR j := 0 to 63
	i := j*8
	dst[i+7:i] := Saturate8(a[i+7:i] - b[i+7:i])	
ENDFOR
dst[MAX:512] := 0