_mm_movemask_pd
Classification
SSE_ALL, Miscellaneous, CPUID Test: SSE2
Header File
Instruction
MOVMSKPD r32, xmm
Synopsis
_mm_movemask_pd(__m128d a);
Description
Set each bit of mask "dst" based on the most significant bit of the corresponding packed double-precision (64-bit) floating-point element in "a".
Operation
FOR j := 0 to 1
i := j*64
IF a[i+63]
dst[j] := 1
ELSE
dst[j] := 0
FI
ENDFOR
dst[MAX:2] := 0