_mm_cvtsi64x_si128
Classification
SSE_ALL, Convert, CPUID Test: SSE2
Header File
emmintrin.h
Instruction
MOVQ xmm, r64
Synopsis
 _mm_cvtsi64x_si128(__int64 a);
Description
Copy 64-bit integer "a" to the lower element of "dst", and zero the upper element.
Operation
dst[63:0] := a[63:0]
dst[127:64] := 0