Date: Sat, 3 Oct 2009 19:25:24 -0700
From: Arjan van de Ven <arjan@infradead.org>
To: Matteo Croce <technoboy85@gmail.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>, linux-kernel@vger.kernel.org
Subject: Re: i686 quirk for AMD Geode
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On Sun, 4 Oct 2009 00:04:03 +0200
Matteo Croce <technoboy85@gmail.com> wrote:

> >
> > the number that is exposed in /proc/cpuinfo does not control
> > if cmov is used... so the patch and the benchmark are totally
> > unrelated.
> >
> 
> yes cmov and i686 are unrelated but some distros (Debian & co.)
> compiles libraries for two archs:
> i486 and i686-cmov so only i686 machines does benefit from cmov.
> This is why I cared about having an i686 aware userspace but it seems
> that for a missing instruction I can't do that

I'm surprised that "i686" in debian depends on the family flag
in /proc/cpuinfo.. but hey.. weirder things have been done.


-- 
Arjan van de Ven 	Intel Open Source Technology Centre
For development, discussion and tips for power savings, 
visit http://www.lesswatts.org
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