Re: beware of dead string constants

From: J . A . Magallon (jamagallon@able.es)
Date: Tue Nov 21 2000 - 15:51:45 EST

On Tue, 21 Nov 2000 13:13:27 Jakub Jelinek wrote:
> 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");
> > }
> >

Is it related to opt level ? -O3 does auto-inlining and -O2 does not
(discovered that here, auto inlining in kernel trashes the cache...) 

-- 
Juan Antonio Magallon Lacarta                                 #> cd /pub
mailto:jamagallon@able.es                                     #> more beer

Linux 2.2.18-pre22-vm #7 SMP Sun Nov 19 03:29:20 CET 2000 i686 unknown

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