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[Bug tree-optimization/49513] DOM inhibits if-conversion and vectorization
- From: "law at redhat dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 8 Jul 2011 21:12:10 +0000
- Subject: [Bug tree-optimization/49513] DOM inhibits if-conversion and vectorization
- Auto-submitted: auto-generated
- References: <bug-49513-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49513
Jeffrey A. Law <law at redhat dot com> changed:
What |Removed |Added
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CC| |law at redhat dot com
--- Comment #4 from Jeffrey A. Law <law at redhat dot com> 2011-07-08 21:11:09 UTC ---
Prohibiting this in DOM would effectively prevent DOM from doing any loop
rotations.
I don't see a good way to solve this... Ideally we'd have a way to know if a
particular IF is convertable and we could avoid threading through it.
Jeff