_mm256_maskz_mul_epi32
Classification
AVX-512, Arithmetic, CPUID Test: AVX512F
Header File
immintrin.h
Instruction
VPMULDQ ymm {z}, ymm, ymm
Synopsis
 _mm256_maskz_mul_epi32(__mmask8 k, __m256i a, __m256i b);
Description
Multiply the low signed 32-bit integers from each packed 64-bit element in "a" and "b", and store the signed 64-bit results in "dst" using zeromask "k" (elements are zeroed out when the corresponding mask bit is not set).
Operation
FOR j := 0 to 3
	i := j*64
	IF k[j]
		dst[i+63:i] := SignExtend64(a[i+31:i]) * SignExtend64(b[i+31:i])
	ELSE
		dst[i+63:i] := 0
	FI
ENDFOR
dst[MAX:256] := 0