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Date: Mon, 9 Sep 2002 01:18:33 +0200
From: Dave Jones <davej@suse.de>
To: Daniel Mehrmann <daniel.mehrmann@gmx.de>
Cc: alan@lxorguk.ukuu.org.uk, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2.4/2.5] Athlon CFLAGS
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On Sun, Sep 08, 2002 at 09:28:11PM +0200, Daniel Mehrmann wrote:
 > Hi Alan,
 > 
 > i add for the AMD Athlon family some optimize compilerflags. 
 > Gcc 3.1 and 3.2 support more specific Athlon instructions as 3.0 or 2.95x. 
 > This patch for 2.4.19, 2.4.20-pre5 and 2.5.33 set a new "-march" flag:
 > 
 > Athlon TB/Duron 		+= -march=athlon-tbird
 > Athlon XP/Athlon4/Duron	+= -march=athlon-xp
 > Athlon MP				+= -march=athlon-mp

I thought these were all just gcc aliases for the same options ?
It's been a while since I looked at the gcc option parser, so I've
forgotten exactly what happens, but at least you missed the
bogus athlon-4 option.

Are the gains between all these options really worth the added
complexity ?

        Dave

-- 
| Dave Jones.        http://www.codemonkey.org.uk
| SuSE Labs
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