_mm512_mask_moveldup_ps
Classification
AVX-512, Move, CPUID Test: AVX512F
Header File
immintrin.h
Instruction
VMOVSLDUP zmm {k}, zmm
Synopsis
 _mm512_mask_moveldup_ps(__m512 src, __mmask16 k, __m512 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]
tmp[287:256] := a[287:256] 
tmp[319:288] := a[287:256] 
tmp[351:320] := a[351:320] 
tmp[383:352] := a[351:320] 
tmp[415:384] := a[415:384] 
tmp[447:416] := a[415:384] 
tmp[479:448] := a[479:448]
tmp[511:480] := a[479:448]
FOR j := 0 to 15
	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:512] := 0