[Bug tree-optimization/50693] Slightly different loop body leads not vectoring loop

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50693

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |missed-optimization
          Component|c                           |tree-optimization
            Summary|Slightly different loop     |Slightly different loop
                   |body leads to 5.5x slower   |body leads not vectoring
                   |performance                 |loop

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> 2011-10-10 
22:53:50 UTC ---
The loop is not vectorized in the second case for some reason.