[Bug tree-optimization/52459] PPRE performs stupid inserts

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52459

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2012-03-02
         AssignedTo|unassigned at gcc dot       |rguenth at gcc dot gnu.org
                   |gnu.org                     |
            Summary|[x86] loop performance very |PPRE performs stupid
                   |bad (worse than -O0) when   |inserts
                   |using sse4.2 popcnt         |
     Ever Confirmed|0                           |1
      Known to fail|                            |4.7.0

--- Comment #3 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-03-02 10:00:38 UTC ---
I will have a look.