SSE types and structures

[Jan Hubicka]

> This still makes it impossible to distinquish __m64 from long long for
> x86-64 ABI, but I guess it is not hot for 3.1.x yet.
> > 
> > but that needs to be checked against Intel's compiler and
> > how it lays out __m64 in structures.  It may be that we 
> > cannot change it at all.
> 
> I will check, thanks.

Just did and __m64 gets aligned to 8 byte boundary, while long long doesn't.
So i guess we should behave in same way.

Honza
> 
> Honza
> > 
> > 
> > r~