Re: [PATCH][2.5][RFT] sfence wmb for K7,P3,VIAC3-2(?)

[Dave Jones]

On Tue, Apr 01, 2003 at 11:07:21AM -0500, Zwane Mwaikambo wrote:

 > > Yes, you're correct. It was SSE1, not SSE2.
 > > The problem Zwane encountered is that early Athlons don't support SSE1,
 > > only XP+ do
 > 
 > hmm wouldn't they illegal op? Some tested this on an Athlon 600.

I'm not 100% sure on this, but I *think* 3dnow had an sfence which was
opcode compatable with SSE's instruction.
 
		Dave