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Re: Missing patch after tree-ssa merge?
- From: Pat Haugen <pthaugen at us dot ibm dot com>
- To: Zdenek Dvorak <rakdver at atrey dot karlin dot mff dot cuni dot cz>
- Cc: Diego Novillo <dnovillo at redhat dot com>, "gcc at gcc dot gnu dot org" <gcc at gcc dot gnu dot org>
- Date: Wed, 26 May 2004 12:16:22 -0500
- Subject: Re: Missing patch after tree-ssa merge?
Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz> wrote on 05/26/2004
11:48:05 AM:
> > >
> > > http://gcc.gnu.org/ml/gcc-patches/2004-01/msg03236.html
> > >
> > Indeed. The cfg and cgraph bits were a constant source of headaches in
> > the tree-ssa branch because we had slightly different implementations
in
> > mainline and the branch.
> >
> > >From what I can gather, Zdenek's change to mainline never made it into
> > the branch (Zdenek last edited the branch version on 2003-01-14). CVS
> > thought the branch version was new code and so stepped on what mainline
> > had without creating conflicts. Sigh.
> >
> > Zdenek, is the patch still needed?
>
> yes.
>
> Zdenek
An alternative to Zdenek's approach would be to just change the current
"make_edge" call to a call to "make_single_succ_edge", which does the
count/probability updates.
-Pat