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    SubjectRe: beware of dead string constants

    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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