linux-kernel - Re: i686 quirk for AMD Geode

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Message-ID: <4AFD6042.1030105@draigBrady.com>
Date:	Fri, 13 Nov 2009 13:33:54 +0000
From:	Pádraig Brady <P@...igBrady.com>
To:	Lennart Sorensen <lsorense@...lub.uwaterloo.ca>
CC:	"H. Peter Anvin" <hpa@...or.com>,
	Matteo Croce <technoboy85@...il.com>,
	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org
Subject: Re: i686 quirk for AMD Geode

Lennart Sorensen wrote:
> Which would be mroe indication that the Geode LX may in fact be a K6
> based CPU design.  The Geode NX is very clearly an Athlon (K7) and AMD
> has never even tried to hide that.  They have never said what the LX is
> based on, other than it isn't based on the GX (fortunately, that thing
> was a buggy piece of crap).

When looking this up for http://www.pixelbeat.org/scripts/gcccpuopt
I determined that gcc --march=geode is for the LX which is
K6 + 3dnowext. Note gcc has no way currently of explicitly selecting 3dnowext.

cheers,
Pádraig.
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