Best options for 64-bit FP on athlon?

Richard Henderson rth@redhat.com
Fri Jan 11 04:13:00 GMT 2002


On Thu, Jan 10, 2002 at 08:25:14PM -0800, Tim Prince wrote:
> The option -msse doesn't generally work for P-III, but it may work for 
> Athlon.  It uses both mmx and sse (32-bit floating point) without taking 
> into account that they use the same register territory on a P-III.

No they don't.  SSE and MMX are always separate.


r~



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