[Bug tree-optimization/60505] Warning caused by GCC vectorizer.

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60505

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2014-03-12
     Ever confirmed|0                           |1

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
Confirmed for the warning.  Note that  'out[num] = ovec[num/2];' at the
end means that num < 16(!) and thus the vectorized loop is never entered
(which means we likely warn for in practice dead code).