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Date: Mon, 24 Feb 2003 23:31:04 +0100
From: =?iso-8859-1?Q?J=F6rn?= Engel <joern@wohnheim.fh-wedel.de>
To: Andreas Schwab <schwab@suse.de>
Cc: Jeff Garzik <jgarzik@pobox.com>, Linus Torvalds <torvalds@transmeta.com>,
       "Richard B. Johnson" <root@chaos.analogic.com>,
       Martin Schwidefsky <schwidefsky@de.ibm.com>,
       linux-kernel@vger.kernel.org
Subject: Re: [PATCH] s390 (7/13): gcc 3.3 adaptions.
Message-ID: <20030224223104.GB27579@wohnheim.fh-wedel.de>
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On Mon, 24 February 2003 23:21:44 +0100, J?rn Engel wrote:
> 
> COUNT is constant and COUNT < INT_MAX. gcc can cast the constant bound
> to the variable's type to fix this problem.

Ok, Adrians example proved this approach stupid. But the one below
remains useful and catches one example, but not the other.

> Or, gcc can see that i starts with 0, it's value monotonously
> increases and will never wrap around due to COUNT < INT_MAX. Not a
> cheap test, but still possible.


J?rn

-- 
ticks = jiffies;
while (ticks == jiffies);
ticks = jiffies;
-- /usr/src/linux/init/main.c
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