http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56624
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |WAITING Last reconfirmed| |2013-03-15 Ever Confirmed|0 |1 Known to fail| |4.8.0 Build|4.8.0 20130313 | --- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> 2013-03-15 11:54:50 UTC --- > This test is a reproducer of similar problem encountered on Spec2006/470.lbm - > there if-conversion could produce stores to the same location which will stop > vectorizer. Can you reproduce a testcase for that instead? It doesn't make sense to handle code that should be optimized earlier (by DSE). Is it from code like if (cond) a[i] = 3; else a[i] = 3; ?