_mm256_mask_mul_epu32
Classification
AVX-512, Arithmetic, CPUID Test: AVX512F
Header File
Instruction
VPMULUDQ ymm {k}, ymm, ymm
Synopsis
_mm256_mask_mul_epu32(__m256i src, __mmask8 k, __m256i a, __m256i b);
Description
Multiply the low unsigned 32-bit integers from each packed 64-bit element in "a" and "b", and store the unsigned 64-bit results in "dst" using writemask "k" (elements are copied from "src" when the corresponding mask bit is not set).
Operation
FOR j := 0 to 3
i := j*64
IF k[j]
dst[i+63:i] := a[i+31:i] * b[i+31:i]
ELSE
dst[i+63:i] := src[i+63:i]
FI
ENDFOR
dst[MAX:256] := 0