http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49795
Richard Guenther <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |missed-optimization Status|UNCONFIRMED |NEW Last reconfirmed| |2011.07.20 14:53:41 CC| |rguenth at gcc dot gnu.org, | |spop at gcc dot gnu.org Ever Confirmed|0 |1 Severity|normal |enhancement --- Comment #5 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-07-20 14:53:41 UTC --- I think you at least need -ftree-loop-if-convert-stores to vectorize conditional stores, but it doens't seem to work in this case.