_mm_cvtepi16_epi64
Classification
SSE_ALL, Convert, CPUID Test: SSE4.1
Header File
Instruction
PMOVSXWQ xmm, xmm
Synopsis
_mm_cvtepi16_epi64(__m128i a);
Description
Sign extend packed 16-bit integers in "a" to packed 64-bit integers, and store the results in "dst".
Operation
FOR j := 0 to 1
i := 64*j
k := 16*j
dst[i+63:i] := SignExtend64(a[k+15:k])
ENDFOR