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Re: [4.0] PR20973 (khtml miscompiled by reload)
- From: Michael Matz <matz at suse dot de>
- To: Bernd Schmidt <bernds_cb1 at t-online dot de>
- Cc: gcc-patches at gcc dot gnu dot org, Mark Mitchell <mark at codesourcery dot com>,vmakarov at redhat dot com
- Date: Thu, 14 Apr 2005 15:28:52 +0200 (CEST)
- Subject: Re: [4.0] PR20973 (khtml miscompiled by reload)
- References: <Pine.LNX.4.58.0504132243460.20714@wotan.suse.de><425E31F1.5060008@t-online.de>
Hi,
On Thu, 14 Apr 2005, Bernd Schmidt wrote:
> > I really would like to see this in gcc 4.0, as otherwise KDE can't be
> > usefully compiled with it (although it meanwhile contains a
> > wordaround). But the scope of the problem might also affect quite some
> > other programs.
> >
> > It's a problem in reload, which isn't handling uninitialized pseudos
> > correctly. Look at the bugreport for the gory details.
>
> Please post a summary of the necessary analysis next time when
> submitting a patch.
Okay.
> Am I right in assuming that this problem is fallout from Vlad's work on
> more accurate conflicts in global-alloc?
That's my suspect yes, but I haven't verified this.
Ciao,
Michael.