[Bug tree-optimization/55286] New: [4.7/4.8 Regression] Bytemark ASSIGNMENT 4% - 10% slower

[wbrana at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55286



             Bug #: 55286

           Summary: [4.7/4.8 Regression] Bytemark ASSIGNMENT 4% - 10%

                    slower

    Classification: Unclassified

           Product: gcc

           Version: 4.7.3

            Status: UNCONFIRMED

          Severity: normal

          Priority: P3

         Component: tree-optimization

        AssignedTo: unassig...@gcc.gnu.org

        ReportedBy: wbr...@gmail.com





gcc 4.6 branch

ASSIGNMENT          :          64.389  :     245.01  :      63.55

gcc 4.7 branch

ASSIGNMENT          :          57.737  :     219.70  :      56.98

gcc 4.7 branch without 175752

ASSIGNMENT          :          64.163  :     244.15  :      63.33

gcc 4.8 branch

ASSIGNMENT          :          61.751  :     234.97  :      60.95



175752:



Date:   Fri Jul 1 10:00:25 2011 +0000



    2011-07-01  Kai Tietz  <kti...@redhat.com>



            * tree-ssa-forwprop.c (simplify_bitwise_binary): Fix typo.



    2011-07-01  Kai Tietz  <kti...@redhat.com>



            * gcc.dg/tree-ssa/bitwise-sink.c: New test.