[Bug tree-optimization/25529] New: (unsigned * 2)/2 is not changed into unsigned &0x7FFFFFFF

pinskia at gcc dot gnu dot org gcc-bugzilla@gcc.gnu.org
Thu Dec 22 06:26:00 GMT 2005


Testcase:
int f1(unsigned t)
{
  return (t*2)/2;
}


This is done in combine on the RTL level.


-- 
           Summary: (unsigned * 2)/2 is not changed into unsigned
                    &0x7FFFFFFF
           Product: gcc
           Version: 4.2.0
            Status: UNCONFIRMED
          Keywords: missed-optimization, TREE
          Severity: normal
          Priority: P3
         Component: tree-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: pinskia at gcc dot gnu dot org
OtherBugsDependingO 19986
             nThis:


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25529



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