SSE types and structures

[Jan Hubicka]

> On Thu, Jun 13, 2002 at 06:35:01PM +0200, Jan Hubicka wrote:
> > Should I align MMX types to 64bit even when doubles are 32bit aligned?
> 
> Probably.
> 
> > If so, how can I track down easilly from what the alignment comes from.
> > Can I rely on fact that field is not record/union? Probably not.
> 
> Huh?

If I get the type and computed alignment to be 64 or 128, how can I
easilly figure out whether this comes from double/long double and thus
should be lowered to 32 for ABI compatibility, or from MMX/SSE

Honza
> 
> 
> r~