lkml.org 
[lkml]   [2000]   [Nov]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: beware of dead string constants
On Tue, Nov 21, 2000 at 06:02:35AM -0600, Peter Samuelson wrote:
>
> While trying to clean up some code recently (CONFIG_MCA, hi Jeff), I
> discovered that gcc 2.95.2 (i386) does not remove dead string
> constants:
>
> void foo (void)
> {
> if (0)
> printk(KERN_INFO "bar");
> }
>
> Annoyingly, gcc forgets to drop the "<6>bar\0". It shows up in the
> object file, needlessly clogging your cachelines.

gcc was never dropping such strings, I've commited a patch to fix this
a week ago into CVS.

Jakub
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 12:47    [W:0.049 / U:9.360 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site