linux-kernel - Re: x86 setup code rewrite in C

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Date:	Mon, 16 Jul 2007 12:21:52 +0200 (CEST)
From:	Etienne Lorrain <etienne_lorrain@...oo.fr>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	Chuck Ebbert <cebbert@...hat.com>, linux-kernel@...r.kernel.org
Subject: Re: x86 setup code rewrite in C - revised

--- "H. Peter Anvin" <hpa@...or.com> wrote:
> Etienne Lorrain wrote:
> >   "mov %fs:(%ebx,%eax,4),%ecx" works for me.
> 
> That's an example on what "m" can generate.
> 
> "g" could produce stuff like:
> 
> 	mov %fs:$1234,%ecx
> 	mov %fs:%eax,%ecx

 My solution was to use %fs:%a1 instead of %fs:%1 , but after checking your
solution produces better assembly.

 Etienne.

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