_mm256_mask_moveldup_ps
Classification
Header File
Instruction
VMOVSLDUP ymm {k}, ymm
Synopsis
_mm256_mask_moveldup_ps(__m256 src, __mmask8 k, __m256 a);
Description
Duplicate even-indexed single-precision (32-bit) floating-point elements from "a", and store the results in "dst" using writemask "k" (elements are copied from "src" 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]
tmp[159:128] := a[159:128]
tmp[191:160] := a[159:128]
tmp[223:192] := a[223:192]
tmp[255:224] := a[223:192]
FOR j := 0 to 7
i := j*32
IF k[j]
dst[i+31:i] := tmp[i+31:i]
ELSE
dst[i+31:i] := src[i+31:i]
FI
ENDFOR
dst[MAX:256] := 0