_mm_hsub_pd
Classification
SSE_ALL, Arithmetic, CPUID Test: SSE3
Header File
pmmintrin.h
Instruction
HSUBPD xmm, xmm
Synopsis
 _mm_hsub_pd(__m128d a, __m128d b);
Description
Horizontally subtract adjacent pairs of double-precision (64-bit) floating-point elements in "a" and "b", and pack the results in "dst".
Operation
dst[63:0] := a[63:0] - a[127:64]
dst[127:64] := b[63:0] - b[127:64]