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Subject: [Bug middle-end/55456] New: [4.8 Regression] 454.calculix in SPEC CPU 2006 is miscompiled
Date: Sat, 24 Nov 2012 00:56:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55456

             Bug #: 55456
           Summary: [4.8 Regression] 454.calculix in SPEC CPU 2006 is
                    miscompiled
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: hjl.tools@gmail.com
                CC: areg.melikadamyan@gmail.com


On Linux/i686, revision 193723 miscompiled
454.calculix in SPEC CPU 2006 with

-O3 -funroll-loops -msse2 -mfpmath=sse -ffast-math -ffixed-form 

454.calculix is compiled into an infinite loop.