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Date: Thu, 02 Dec 2004 06:31:04 -0500
From: "Stephen P. Becker" <geoman@gentoo.org>
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To: Thiemo Seufer <ica2_ts@csv.ica.uni-stuttgart.de>
CC: Dominic Sweetman <dom@mips.com>,
	"Maciej W. Rozycki" <macro@linux-mips.org>,
	linux-mips@linux-mips.org, ralf@linux-mips.org,
	Nigel Stephens <nigel@mips.com>, David Ung <davidu@mips.com>
Subject: Re: [PATCH] Improve atomic.h implementation robustness
References: <20041201070014.GG3225@rembrandt.csv.ica.uni-stuttgart.de> <16813.39660.948092.328493@doms-laptop.algor.co.uk> <20041201204536.GI3225@rembrandt.csv.ica.uni-stuttgart.de> <Pine.LNX.4.58L.0412012151210.13579@blysk.ds.pg.gda.pl> <20041201230332.GM3225@rembrandt.csv.ica.uni-stuttgart.de> <16814.52180.502747.597080@doms-laptop.algor.co.uk> <20041202083859.GU3225@rembrandt.csv.ica.uni-stuttgart.de>
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>>And what constraints are there on
>>your choice of gcc version? - it would be easier if 3.4 was OK.
> 
> 
> 3.2/3.3 are known to work. 3.4 fails for yet unknown reason, I guess
> either due to inline assembler changes or more agressive dead code
> elimination.
> 
> 
> Thiemo

For what it's worth, I'm running 64-bit kernels on my O2 and Indy that 
were compiled with gcc 3.4.3, and I have had no problems.

Steve