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* [Bug tree-optimization/15784] New: fold misses bitwise optimization
@ 2004-06-02 20:45 pinskia at gcc dot gnu dot org
  2004-06-02 21:14 ` [Bug tree-optimization/15784] fold misses binary optimization pinskia at gcc dot gnu dot org
                   ` (23 more replies)
  0 siblings, 24 replies; 25+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2004-06-02 20:45 UTC (permalink / raw)
  To: gcc-bugs

int f(int x)
{
  return x & ~x;  // should be 0 before getting to the RTL level
}
int h(int x)
{
  return x | ~x; // should be -1 before getting to the RTL level
}

-- 
           Summary: fold misses bitwise optimization
           Product: gcc
           Version: 3.5.0
            Status: UNCONFIRMED
          Keywords: missed-optimization, TREE
          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=15784


^ permalink raw reply	[flat|nested] 25+ messages in thread
end of thread, other threads:[~2005-03-11  5:03 UTC | newest]

Thread overview: 25+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2004-06-02 20:45 [Bug tree-optimization/15784] New: fold misses bitwise optimization pinskia at gcc dot gnu dot org
2004-06-02 21:14 ` [Bug tree-optimization/15784] fold misses binary optimization pinskia at gcc dot gnu dot org
2004-06-02 21:22 ` pinskia at gcc dot gnu dot org
2004-06-02 21:24 ` pinskia at gcc dot gnu dot org
2004-06-02 21:25 ` pinskia at gcc dot gnu dot org
2004-06-02 21:26 ` pinskia at gcc dot gnu dot org
2004-06-02 22:23 ` pinskia at gcc dot gnu dot org
2004-06-02 22:39 ` pinskia at gcc dot gnu dot org
2004-06-03  0:31 ` pinskia at gcc dot gnu dot org
2004-06-26 20:27 ` pinskia at gcc dot gnu dot org
2004-06-27 17:36 ` pinskia at gcc dot gnu dot org
2004-07-04  7:43 ` kazu at cs dot umass dot edu
2004-07-04  7:49 ` pinskia at gcc dot gnu dot org
2004-07-04  8:01 ` pinskia at gcc dot gnu dot org
2005-02-11 14:19 ` phython at gcc dot gnu dot org
2005-02-13 18:30 ` cvs-commit at gcc dot gnu dot org
2005-02-16 12:41 ` pinskia at gcc dot gnu dot org
2005-03-04  2:49 ` cvs-commit at gcc dot gnu dot org
2005-03-04  2:55 ` phython at gcc dot gnu dot org
2005-03-04  3:27 ` pinskia at gcc dot gnu dot org
2005-03-04  6:24 ` cvs-commit at gcc dot gnu dot org
2005-03-04  6:26 ` pinskia at gcc dot gnu dot org
2005-03-08  0:21 ` steven at gcc dot gnu dot org
2005-03-11  4:53 ` cvs-commit at gcc dot gnu dot org
2005-03-11  5:03 ` phython at gcc dot gnu dot org

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