[Bug middle-end/49465] New: [4.7 Regression] Revision 175114 miscompiled 403.gcc in SPEC CPU 2006

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49465

           Summary: [4.7 Regression] Revision 175114 miscompiled 403.gcc
                    in SPEC CPU 2006
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: hjl.tools@gmail.com
                CC: law@redhat.com


On Linux/x86-64, revision 175114:

http://gcc.gnu.org/ml/gcc-cvs/2011-06/msg00603.html

miscompiled 403.gcc in SPEC CPU 2006 with

-O2 -ffast-math   -DSPEC_CPU_LP64:

Setting Up Run Directories
  Setting up 403.gcc ref base lnx32e-gcc default: created
(run_base_ref_lnx32e-gcc.0000)
Running Benchmarks
  Running 403.gcc ref base lnx32e-gcc default

*** Miscompare of expr.s; for details see
   
/export/regression/rrs/spec/2006/spec/benchspec/CPU2006/403.gcc/run/run_base_ref_lnx32e-gcc.0000/expr.s.mis

*** Miscompare of scilab.s; for details see
   
/export/regression/rrs/spec/2006/spec/benchspec/CPU2006/403.gcc/run/run_base_ref_lnx32e-gcc.0000/scilab.s.mis