[Bug tree-optimization/15618] New: Missed bool optimization

["pinskia at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>]

The following three code should be produce the excatly the same asm:
int f(_Bool f1)
{
  if (f1 != 0)
   return 1;
  return 0;
}

int f3(_Bool f1)
{
  int f4;
  if (f1)
   f4 = 1;
  else
    f4 = 0;
  return f4;
}

int f5(_Bool f1)
{
  return f1;
}

-- 
           Summary: Missed bool optimization
           Product: gcc
           Version: 3.5.0
            Status: UNCONFIRMED
          Keywords: missed-optimization
          Severity: enhancement
          Priority: P2
         Component: tree-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: pinskia at gcc dot gnu dot org
                CC: gcc-bugs at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15618