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[Bug tree-optimization/32120] missed PRE/FRE of a*2+4 and (a+2)*2
- From: "matz at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 06 Mar 2012 12:06:08 +0000
- Subject: [Bug tree-optimization/32120] missed PRE/FRE of a*2+4 and (a+2)*2
- Auto-submitted: auto-generated
- References: <bug-32120-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32120
--- Comment #10 from Michael Matz <matz at gcc dot gnu.org> 2012-03-06 12:06:08 UTC ---
(In reply to comment #9)
> (In reply to comment #8)
> > I still have an unfinished patch to convert SCCVN to
> > http://dl.acm.org/citation.cfm?id=512536
> >
> > I'm happy to attach the patch if you like :)
>
> I think you sent it to me once and Micha has implemented the predication
> bits ontop of it (well, sort of IIRC).
Yep, and I'm supposed to finish it up finally until the GCC cauldron :)