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[Bug tree-optimization/34683] [4.3 Regression] SSA rewriting in the loop unroller causes quadratic behavior
- From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 10 Jan 2008 17:02:20 -0000
- Subject: [Bug tree-optimization/34683] [4.3 Regression] SSA rewriting in the loop unroller causes quadratic behavior
- References: <bug-34683-14773@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #42 from rguenth at gcc dot gnu dot org 2008-01-10 17:02 -------
This is probably all we can get for now - maybe another few % with minor
tweaks,
but nothing earth-shattering. After all, we _do_ have a much larger IL due
to the number of VOPs not partitioned.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34683