_mm256_maskz_loadu_pd
Classification
Header File
Instruction
VMOVUPD ymm {z}, m64
Synopsis
_mm256_maskz_loadu_pd(__mmask8 k, void const* mem_addr);
Description
Load packed double-precision (64-bit) floating-point elements from memoy into "dst" using zeromask "k" (elements are zeroed out when the corresponding mask bit is not set).
"mem_addr" does not need to be aligned on any particular boundary.
Operation
FOR j := 0 to 3
i := j*64
IF k[j]
dst[i+63:i] := MEM[mem_addr+i+63:mem_addr+i]
ELSE
dst[i+63:i] := 0
FI
ENDFOR
dst[MAX:256] := 0