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[Bug tree-optimization/53346] [4.6/4.7/4.8 Regression] Bad vectorization in the proc cptrf2 of rnflow.f90
- From: "hjl.tools at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 18 May 2012 18:27:21 +0000
- Subject: [Bug tree-optimization/53346] [4.6/4.7/4.8 Regression] Bad vectorization in the proc cptrf2 of rnflow.f90
- Auto-submitted: auto-generated
- References: <bug-53346-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53346
--- Comment #17 from H.J. Lu <hjl.tools at gmail dot com> 2012-05-18 18:27:21 UTC ---
I was told that cmov wins if branch is mispredicted, otherwise
cmov loses. We will investigate if we can improve cmov in GCC.