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[Bug tree-optimization/47392] [4.6 Regression] PRE opportunity no longer found
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 21 Jan 2011 12:46:11 +0000
- Subject: [Bug tree-optimization/47392] [4.6 Regression] PRE opportunity no longer found
- Auto-submitted: auto-generated
- References: <bug-47392-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47392
--- Comment #3 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-01-21 12:45:56 UTC ---
We could also always perform PRE when there is one insertion and one
elimination, assuming the size cost cancels.