_mm256_maskz_movehdup_ps
Classification
Header File
Instruction
VMOVSHDUP ymm {z}, ymm
Synopsis
_mm256_maskz_movehdup_ps(__mmask8 k, __m256 a);
Description
Duplicate odd-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[63:32]
tmp[63:32] := a[63:32]
tmp[95:64] := a[127:96]
tmp[127:96] := a[127:96]
tmp[159:128] := a[191:160]
tmp[191:160] := a[191:160]
tmp[223:192] := a[255:224]
tmp[255:224] := a[255:224]
FOR j := 0 to 7
i := j*32
IF k[j]
dst[i+31:i] := tmp[i+31:i]
ELSE
dst[i+31:i] := 0
FI
ENDFOR
dst[MAX:256] := 0