[Bug tree-optimization/49513] DOM inhibits if-conversion and vectorization
law at redhat dot com
gcc-bugzilla@gcc.gnu.org
Fri Jul 8 21:12:00 GMT 2011
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
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