[Bug tree-optimization/50272] A case that PRE optimization hurts performance

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50272

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |missed-optimization
          Component|c                           |tree-optimization

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> 2011-09-02 06:29:18 UTC ---
I recognize this loop, it is part of coremarks.

Anyways confirmed and it happens on MIPS64 too.