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Date: Tue, 1 Apr 2003 17:26:15 +0100
From: Dave Jones <davej@codemonkey.org.uk>
To: Zwane Mwaikambo <zwane@linuxpower.ca>
Cc: Andi Kleen <ak@suse.de>, Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH][2.5][RFT] sfence wmb for K7,P3,VIAC3-2(?)
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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