[Bug rtl-optimization/48702] [4.6 Regression] optimization regression with gcc-4.6 on x86_64-unknown-linux-gnu

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48702

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
         AssignedTo|unassigned at gcc dot       |rguenth at gcc dot gnu.org
                   |gnu.org                     |

--- Comment #2 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-04-20 14:38:51 UTC ---
DSE2 kills the stores of the shuffle

temp = array[0];
array[0] = array[2];
array[2] = temp;

likely being confused about the loops use.  Mine.