[sldev] SSE/Vector stuff

[Dirk Moerenhout]

> Kudos to Dirk...  send me your street address and I'll send you this
> uncashed check from LL where you can cash it.

No need for that. The only thing I did was making sure the benefits of
your code could be seen by all. Would've been a waste if it remained
unused just because LL compiled with VS2003.

I doubt I'd be able to cash it here in Belgium anyway :)

Dirk aka Blakar Ogre