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

Dave Jones (davej@codemonkey.org.uk)
Wed, 2 Apr 2003 00:32:29 +0100


On Tue, Apr 01, 2003 at 08:31:01PM +0200, Daniel Egger wrote:

> > 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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