Date:	Tue, 28 Nov 2000 21:17:21 +0100
From:	Ronald de Man <deman AT win DOT tue DOT nl>
To:	pgcc AT delorie DOT com
Subject:	Re: [offtopic] Athlon manuals?
Message-ID:	<20001128211721.A13394@win.tue.nl>
References:	<Pine DOT SGI DOT 4 DOT 21 DOT 0011281357220 DOT 4222636-100000 AT paju DOT oulu DOT fi>
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In-Reply-To:	<Pine.SGI.4.21.0011281357220.4222636-100000@paju.oulu.fi>; from tutoivon@mail.student.oulu.fi on Tue, Nov 28, 2000 at 02:06:31PM +0200
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On Tue, Nov 28, 2000 at 02:06:31PM +0200, Tuukka Toivonen wrote:
> A bit offtopic, sorry.
> 
> My intent is to write optimized assembly/MMX code for AMD Athlon 800 MHz
> (after first checking out the pentium gcc generated code, of course!)
> 
> Unfortunately, I can not find a datasheet for Athlon. It is impossible to
> write asm code unless one knows the instruction cycle counts and other
> related information, like about scheduling. The obvious place
> http://www.amd.com/products/cpg/athlon/techdocs/index.html
> doesn't have Athlon datasheets, doesn't talk anything about it, and I
> cannot find the datasheet anywhere else either.

Is 22007.pdf on that page not something you could use?

> 
> What's going on? Is Athlon so new CPU that there isn't yet a datasheet, or
> is it just hidden somewhere, where?
> 
> Also, are there any special useful options for pgcc generating Athlon
> code, besides those mentioned at pgcc home page?

There is an athlon specific patch that you can find at
http://www.athlonlinux.org/. I have not tried it myself.

Ronald

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