_mm256_maskz_max_epu8
Classification
AVX-512, Arithmetic, CPUID Test: AVX512BW
Header File
Instruction
VPMAXUB ymm {z}, ymm, ymm
Synopsis
_mm256_maskz_max_epu8(__mmask32 k, __m256i a, __m256i b);
Description
Compare packed unsigned 8-bit integers in "a" and "b", and store packed maximum values in "dst" using zeromask "k" (elements are zeroed out when the corresponding mask bit is not set).
Operation
FOR j := 0 to 31
i := j*8
IF k[j]
dst[i+7:i] := MAX(a[i+7:i], b[i+7:i])
ELSE
dst[i+7:i] := 0
FI
ENDFOR
dst[MAX:256] := 0