_mm_cvtepi8_epi16
Classification
SSE_ALL, Convert, CPUID Test: SSE4.1
Header File
Instruction
PMOVSXBW xmm, xmm
Synopsis
_mm_cvtepi8_epi16(__m128i a);
Description
Sign extend packed 8-bit integers in "a" to packed 16-bit integers, and store the results in "dst".
Operation
FOR j := 0 to 7
i := j*8
l := j*16
dst[l+15:l] := SignExtend16(a[i+7:i])
ENDFOR