> > I'm not 100% sure on this, but I *think* 3dnow had an sfence which was
> > opcode compatable with SSE's instruction.
> At best the enhanced 3dnow had it. I couldn't find it in the regular
> 3dnow "technology manual" and don't know where I put the darn other
> one....
Even the early athlons had 3dnowext, so this is a mystery solved afiacs
Dave
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