_mm_maskz_moveldup_ps
Classification
Header File
Instruction
VMOVSLDUP xmm {z}, xmm
Synopsis
_mm_maskz_moveldup_ps(__mmask8 k, __m128 a);
Description
Duplicate even-indexed single-precision (32-bit) floating-point elements from "a", and store the results in "dst" using zeromask "k" (elements are zeroed out when the corresponding mask bit is not set).
Operation
tmp[31:0] := a[31:0]
tmp[63:32] := a[31:0]
tmp[95:64] := a[95:64]
tmp[127:96] := a[95:64]
FOR j := 0 to 3
i := j*32
IF k[j]
dst[i+31:i] := tmp[i+31:i]
ELSE
dst[i+31:i] := 0
FI
ENDFOR
dst[MAX:128] := 0