[Bug tree-optimization/47657] missed vectorization

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47657

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2011.02.09 11:06:56
     Ever Confirmed|0                           |1

--- Comment #1 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-02-09 11:06:56 UTC ---
It is vectorized with -fno-vect-cost-model.  The cray compiler probably
exchanged loops and/or did more agressive unrolling than us here
(the code with -fno-vect-cost-model shows the cost model is right ;))