Changing the default 32-bit x86 arch for Fedora 12 (#2)

[Gerd Hoffmann]

On 06/17/09 19:52, Bill Nottingham wrote:
> 		P4 2.4Ghz	Athlon 3400+	Core2Duo E6850	Atom N270
> march=i686/	-1.1%		+2.0%		+0.9%		+0.6%
>   mtune=generic
> march=i586/	+0.3%		-0.3%		-0.2%		+1.3%
>   mtune=atom
> march=i686/	-1.5%		+1.2%		+0.5%		+1.7%
>   mtune=atom

2% difference max.  You'll hardly notice that.  Is that really worth the 
effort?  IMHO not.  People who care about performance that much 
certainly don't run 32bit any more.

cheers,
   Gerd