Date:	Sat, 13 Mar 1999 00:24:20 +0100 (MET)
From:	Henrik Berglund SdU <adb94hbd AT mds DOT mdh DOT se>
X-Sender:	adb94hbd AT legolas DOT mdh DOT se
To:	pgcc AT delorie DOT com
Subject:	Re: amd and float
In-Reply-To:	<19990312235917.K9148@cerebro.laendle>
Message-ID:	<Pine.GSO.4.05.9903130019520.18710-100000@legolas.mdh.se>
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Reply-To:	pgcc AT delorie DOT com
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On 12 Mar 1999, Marc Lehmann wrote:

> The biggest probelm I see is that 3dnow uses different float formats than the
> x86 fpu. even worse, you probably won't get improvements in the common case
> anyway (doubles). also, the interoperability between the x86 fpu and 3dnow is
> very bad.
> 
> the good thing is that, finally, its a sane design. a very sane design. if we
> only had this design from the very beginning (and no x86 fpu).

Is it possible to just use 3dnow instead of the fpu does 3dnow have all
the required instructions? if so it would be great if it only used the
3dnow for fpu operations when typing -march=3dnow or something :) 


-----------------------------------------------------------------------------
Henrik DOT Berglund AT mds DOT mdh DOT se 
http://www.mds.mdh.se/~adb94hbd/

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