[Bug tree-optimization/54143] New: [4.8 Regression] Bytemark ASSIGNMENT 8% slower

[wbrana at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54143

             Bug #: 54143
           Summary: [4.8 Regression] Bytemark ASSIGNMENT 8% slower
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: wbrana@gmail.com


http://www.tux.org/~mayer/linux/nbench-byte-2.2.3.tar.gz

4.8 20120422
ASSIGNMENT          :          63.924  :     243.24  :      63.09

4.8 20120429
ASSIGNMENT          :          58.793  :     223.72  :      58.03

4.8 20120729
ASSIGNMENT          :          58.969  :     224.39  :      58.20

CFLAGS = -ggdb -Wall -O3 -finline-functions -g0 -march=core2
-fomit-frame-pointer -funroll-loops -ffast-math -mssse3 -fno-PIE
-fno-exceptions -fno-stack-protector