[ODE] Some SSE in Quick step

[GARY VANSICKLE]

> > AFAIK, nobody's actually ever verified that D3DX's mathematical
> > manipulations are slower than ODE's built-in.  Which is part of why a
> > referred to this as a "non-argument".
> 
> I've measured D3DX vs. plain C++ (VC6) vs. Nebula2' "somewhat SSE
> optimized"
> math classes (using intrinsics, not asm code). I've measured matrix*matrix
> operation. IIRC, results were what D3DX loses by a small amount to both
> C++
> and Nebula2 code (it was on AthlonXP, so SSE probably doesn't do much over
> C++).
>

Do you happen to still have that code lying around?

-- 
Gary R. Van Sickle