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Re: [Xen-devel] [PATCH]: minios: eliminate compile warning - use of unin

To: Gianni Tedesco <gianni.tedesco@xxxxxxxxxx>
Subject: Re: [Xen-devel] [PATCH]: minios: eliminate compile warning - use of uninitialised variable
From: Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>
Date: Fri, 7 Jan 2011 20:28:39 +0100
Cc: Xen Devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>, Stefano Stabellini <Stefano.Stabellini@xxxxxxxxxxxxx>
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Gianni Tedesco, le Fri 07 Jan 2011 17:42:22 +0000, a écrit :
> On Fri, 2011-01-07 at 17:21 +0000, Gianni Tedesco wrote:
> > On Fri, 2011-01-07 at 16:58 +0000, Samuel Thibault wrote:
> > > Gianni Tedesco, le Fri 07 Jan 2011 16:52:49 +0000, a écrit :
> > > > I'm not sure if this is a legit catch by gcc or a false positive due to
> > > > extra cleverness in gcc-4.5. Either way it causes the build to barf.
> > > 
> > > It seems a false positive to me. What is the warning message?
> Actually looks like these are incorrect when compiled 64bit and not
> needed anyway. Following patch does the job.

They _are_ needed when you do some particular divisions: gcc will emit
references in that case.


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