http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50374
--- Comment #15 from Ira Rosen <irar at il dot ibm.com> 2011-09-21 12:20:47 UTC --- (In reply to comment #14) > Another thing is that this really ought to work even with -ftree-pre, having a > vectorization that requires users to disable PRE would be weird. I believe > there is one extra assignment, will look at that. It was discussed in pr 44711 and http://gcc.gnu.org/ml/gcc-patches/2010-06/msg02982.html.
