_mm512_maskz_expand_epi32
Classification
AVX-512, Swizzle, CPUID Test: AVX512F
Header File
Instruction
VPEXPANDD zmm {z}, zmm
Synopsis
_mm512_maskz_expand_epi32(__mmask16 k, __m512i a);
Description
Load contiguous active 32-bit integers from "a" (those with their respective bit set in mask "k"), and store the results in "dst" using zeromask "k" (elements are zeroed out when the corresponding mask bit is not set).
Operation
m := 0
FOR j := 0 to 15
i := j*32
IF k[j]
dst[i+31:i] := a[m+31:m]
m := m + 32
ELSE
dst[i+31:i] := 0
FI
ENDFOR
dst[MAX:512] := 0