http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37021
--- Comment #16 from Richard Biener <rguenth at gcc dot gnu.org> 2013-03-27 10:40:40 UTC --- We now vectorize this testcase by means of using strided loads, relying on store motion turning the store to self(i) in the innermost look into a reduction (no support for vectorized strided stores).