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RE: Deep CSE bug!
- From: "Dave Korn" <dk at artimi dot com>
- To: "'Dave Korn'" <dk at artimi dot com>,"'Jie Zhang'" <zhangjie at magima dot com dot cn>
- Cc: <gcc at gcc dot gnu dot org>
- Date: Mon, 21 Jun 2004 11:10:37 +0100
- Subject: RE: Deep CSE bug!
> -----Original Message-----
> From: gcc-owner On Behalf Of Dave Korn
> Sent: 18 June 2004 10:03
> To: 'Jie Zhang'
> Cc: gcc
> > -----Original Message-----
> > From: gcc-owner On Behalf Of Jie Zhang
> > Dave Korn wrote:
> > >
> > > Hmm. I see that Jie Zhang had pretty much this exact
> > same problem over a
> > > year ago, but I can't find any followups to this post:
> > >
> > > http://gcc.gnu.org/ml/gcc/2003-04/msg01397.html
> > >
> >
> > I just worked around it by defining the "movdi" pattern.
> >
> >
> > --
> > Jie
>
> Thankyou Jie, I guess I'll have to try that.
And indeed it does solve my testcase. Thanks again for the suggestion.
But, it's only a workaround really, and I'm still worried about the
correctness of the register notes, so I'll carry on looking at it.
cheers,
DaveK
--
Can't think of a witty .sigline today....