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Re: SGI IP28 support

To: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Subject: Re: SGI IP28 support
From: post@pfrst.de
Date: Tue, 27 Nov 2007 03:30:48 +0100 (CET)
Cc: linux-mips@linux-mips.org
In-reply-to: <20071126230127.GA21970@alpha.franken.de>
Original-recipient: rfc822;linux-mips@linux-mips.org
Sender: linux-mips-bounce@linux-mips.org
Hi!

On Tue, 27 Nov 2007, Thomas Bogendoerfer wrote:

> Date: Tue, 27 Nov 2007 00:01:27 +0100
> From: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
> To: linux-mips@linux-mips.org
> Subject: Re: SGI IP28 support
> 
> On Mon, Nov 26, 2007 at 11:38:14PM +0100, Thomas Bogendoerfer wrote:
> > [..]
> 
> There is one thing I forgot: You need a special gcc, which will generate
> cache barriers to avoid speculative stores done by the R10k. Peter
> had some patches submitted to the gcc maintainers, which I used to
> build my own gcc 4.2.1 cross compiler. Does anybody know, if Peter's
> paches are already intergrated in newer gcc versions ?

They hardly are. At least i didn't undertake a second attempt yet. Nor
did i hear of the Gentoo-folks or someone else taking this unpleasant
job.

> 
> Thomas.
> 
> -- 
> Crap can work. Given enough thrust pigs will fly, but it's not necessary a
> good idea.                                                [ RFC1925, 2.3 ]
> 
> 
> 

kind regards

peter



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