From: Andi Kleen <ak@suse.de>
To: Linus Torvalds <torvalds@transmeta.com>
Cc: Andries.Brouwer@cwi.nl, alan@lxorguk.ukuu.org.uk,
linux-kernel@vger.kernel.org
Subject: Re: {PATCH} isofs stuff
Date: Thu, 23 Nov 2000 16:44:36 +0100 [thread overview]
Message-ID: <20001123164436.A17631@gruyere.muc.suse.de> (raw)
In-Reply-To: <UTC200011230350.EAA138908.aeb@aak.cwi.nl> <Pine.LNX.4.10.10011230727310.7927-100000@penguin.transmeta.com>
In-Reply-To: <Pine.LNX.4.10.10011230727310.7927-100000@penguin.transmeta.com>; from torvalds@transmeta.com on Thu, Nov 23, 2000 at 07:37:27AM -0800
On Thu, Nov 23, 2000 at 07:37:27AM -0800, Linus Torvalds wrote:
> > I have seen that there were discussions on the right compiler to use.
> > Is 2.95.2 wrong? Have other things to do tomorrow, so it will be
> > 24 hours before I can look at this again.
>
> 2.95.2 should have been reasonably ok, but egcs-2.91.66 is probably
> considered the most stable compiler right now.
>
> Note that gcc has always had problems with "long long" variables. Very few
> people use them as they aren't standard, and the code generation can be
> much trickier, so bugs are much more likely. This (along with performance
> issues) was why I refused the original LFS patches - they put "long long"
> code all over the place.
gcc 2.95.2 seems to have more problems with long long the egcs 1.1, I have
at least one test case where it miscompiles a variable long long shift.
-Andi
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next prev parent reply other threads:[~2000-11-23 16:14 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-11-23 3:50 Andries.Brouwer
2000-11-23 15:37 ` Linus Torvalds
2000-11-23 15:44 ` Andi Kleen [this message]
[not found] ` <Pine.LNX.4.10.10011230825380.7992-100000@penguin.transmeta.com>
2000-11-23 17:39 ` Tigran Aivazian
2000-11-23 19:57 ` Andi Kleen
2000-11-23 20:38 ` Linus Torvalds
2000-11-23 20:59 ` Matti Aarnio
2000-11-23 21:31 ` Alexander Viro
2000-11-23 16:58 ` Ragnar Hojland Espinosa
2000-11-23 17:20 ` Linus Torvalds
2000-11-23 18:20 ` Ragnar Hojland Espinosa
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