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Message-ID: <9a8748490602261356l222c9689w8fa1d5e2395bb183@mail.gmail.com>
Date: Sun, 26 Feb 2006 22:56:26 +0100
From: "Jesper Juhl" <jesper.juhl@gmail.com>
To: "Lee Revell" <rlrevell@joe-job.com>
Subject: Re: Building 100 kernels; we suck at dependencies and drown in warnings
Cc: Nix <nix@esperi.org.uk>, linux-kernel@vger.kernel.org
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On 2/26/06, Lee Revell <rlrevell@joe-job.com> wrote:
> On Sun, 2006-02-26 at 22:49 +0100, Jesper Juhl wrote:
> > On 2/26/06, Nix <nix@esperi.org.uk> wrote:
> > > (i.e., there's a reason that warning uses the word *might*.)
> > >
> > The compiler says "might be used uninitialized" when it cannot
> > determine if a variable will be initialized before first use or not.
>
> Quoting the "silence gcc warning" thread:
>
> "Really, this is a gcc bug.  My version of the compiler:
>
> gcc version 4.0.3 20051201 (prerelease) (Debian 4.0.2-5)
>
> Doesn't give this warning.  And, since the loop has fixed parameters,
> gcc should see not only that it's always executed, but that it could be
> unrolled."
>
Yeah so gcc is not perfect, but that still doesn't change that the
intention of the warning and the use of the word "might" is as I said
above.


--
Jesper Juhl <jesper.juhl@gmail.com>
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