lkml.org 
[lkml]   [2003]   [Feb]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] s390 (7/13): gcc 3.3 adaptions.
On Mon, 24 February 2003 23:21:44 +0100, Jörn 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.


Jörn

--
ticks = jiffies;
while (ticks == jiffies);
ticks = jiffies;
-- /usr/src/linux/init/main.c
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:33    [W:0.092 / U:0.056 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site