[Bug tree-optimization/54081] New: Bytemark ASSIGNMENT 10% slower with g++

Tue, 24 Jul 2012 05:38:36 -0700 

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54081

             Bug #: 54081
           Summary: Bytemark ASSIGNMENT 10% slower with g++
    Classification: Unclassified
           Product: gcc
           Version: 4.7.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
        AssignedTo: [email protected]
        ReportedBy: [email protected]


Bytemark is 10% slower if compiled with g++ than with gcc
gcc
ASSIGNMENT          :           63.36  :     241.10  :      62.53
g++
ASSIGNMENT          :          57.411  :     218.46  :      56.66

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

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

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