_mm_hsub_epi32
Classification
SSE_ALL, Arithmetic, CPUID Test: SSSE3
Header File
tmmintrin.h
Instruction
PHSUBD xmm, xmm
Synopsis
 _mm_hsub_epi32(__m128i a, __m128i b);
Description
Horizontally subtract adjacent pairs of 32-bit integers in "a" and "b", and pack the signed 32-bit results in "dst".
Operation
dst[31:0] := a[31:0] - a[63:32]
dst[63:32] := a[95:64] - a[127:96]
dst[95:64] := b[31:0] - b[63:32]
dst[127:96] := b[95:64] - b[127:96]