_mm_hadd_pi32
Classification
SSE_ALL, Arithmetic, CPUID Test: SSSE3
Header File
tmmintrin.h
Instruction
PHADDW mm, mm
Synopsis
 _mm_hadd_pi32(__m64 a, __m64 b);
Description
Horizontally add adjacent pairs of 32-bit integers in "a" and "b", and pack the signed 32-bit results in "dst".
Operation
dst[31:0] := a[63:32] + a[31:0]
dst[63:32] := b[63:32] + b[31:0]