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[Bug target/34163] [4.3/4.4/4.5 Regression] 10% performance regression since Nov 1 on Polyhedron's "NF" on AMD64
- From: "ubizjak at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 25 Jun 2009 08:31:06 -0000
- Subject: [Bug target/34163] [4.3/4.4/4.5 Regression] 10% performance regression since Nov 1 on Polyhedron's "NF" on AMD64
- References: <bug-34163-13404@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #15 from ubizjak at gmail dot com 2009-06-25 08:31 -------
(In reply to comment #14)
> (In reply to comment #13)
> > Predictive commoning does exactly what you want.
Predictive commoning failed: no suitable chains
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34163