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From: Nikos Chantziaras <realnc@arcor.de>
Subject: [gentoo-user] Re: CFlags for CPU
Date: Wed, 27 Jul 2011 06:08:58 +0300
Organization: Lucas Barks
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On 07/27/2011 03:58 AM, Bill Kenworthy wrote:
>
> I am now using core2 as I was having some really odd problems after
> mixing flags after multiple hardware changes along with native.  Core2
> is recommended for this processor, and I cant see the two flags changed
> via native making a difference, but the previous processors is no longer
> available to check.

Different Core 2 CPUs support different features.  There are, for 
example, Core 2 CPUs that support SSE4 and other Core 2's don't.  If you 
have "native" on one that supports it and then try to run it on another 
that doesn't, chances are it will crash, even if both CPUs are "Core 2".