_mm_cvtepi8_epi32
Classification
SSE_ALL, Convert, CPUID Test: SSE4.1
Header File
Instruction
PMOVSXBD xmm, xmm
Synopsis
_mm_cvtepi8_epi32(__m128i a);
Description
Sign extend packed 8-bit integers in "a" to packed 32-bit integers, and store the results in "dst".
Operation
FOR j := 0 to 3
i := 32*j
k := 8*j
dst[i+31:i] := SignExtend32(a[k+7:k])
ENDFOR