_mm512_mask_max_epi8
Classification
AVX-512, Arithmetic, CPUID Test: AVX512BW
Header File
immintrin.h
Instruction
VPMAXSB zmm {k}, zmm, zmm
Synopsis
 _mm512_mask_max_epi8(__m512i src, __mmask64 k, __m512i a, __m512i b);
Description
Compare packed signed 8-bit integers in "a" and "b", and store packed maximum values in "dst" using writemask "k" (elements are copied from "src" when the corresponding mask bit is not set).
Operation
FOR j := 0 to 63
	i := j*8
	IF k[j]
		dst[i+7:i] := MAX(a[i+7:i], b[i+7:i])
	ELSE
		dst[i+7:i] := src[i+7:i]
	FI
ENDFOR
dst[MAX:512] := 0