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* [Bug optimization/14442] New: [tree-ssa] missed sib if conversion optimization on the tree level
@ 2004-03-05  6:30 pinskia at gcc dot gnu dot org
  2004-03-05  6:31 ` [Bug optimization/14442] " pinskia at gcc dot gnu dot org
                   ` (15 more replies)
  0 siblings, 16 replies; 17+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2004-03-05  6:30 UTC (permalink / raw)
  To: gcc-bugs

These two functions should produce the same asm (drivided from GCC's sources):
_Bool t();
_Bool t1();

_Bool f(int i)
{
   if (!t())
    return 0;
   return t1();
}
_Bool f1()
{
  return t() && t1();
}

-- 
           Summary: [tree-ssa] missed sib if conversion optimization on the
                    tree level
           Product: gcc
           Version: tree-ssa
            Status: UNCONFIRMED
          Keywords: pessimizes-code
          Severity: enhancement
          Priority: P2
         Component: 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=14442


^ permalink raw reply	[flat|nested] 17+ messages in thread
end of thread, other threads:[~2005-05-04  1:52 UTC | newest]

Thread overview: 17+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2004-03-05  6:30 [Bug optimization/14442] New: [tree-ssa] missed sib if conversion optimization on the tree level pinskia at gcc dot gnu dot org
2004-03-05  6:31 ` [Bug optimization/14442] " pinskia at gcc dot gnu dot org
2004-03-06  4:00 ` pinskia at gcc dot gnu dot org
2004-03-07  3:44 ` pinskia at gcc dot gnu dot org
2004-04-05  1:06 ` pinskia at gcc dot gnu dot org
2004-05-15 16:40 ` [Bug tree-optimization/14442] " pinskia at gcc dot gnu dot org
2004-05-17 15:40 ` pinskia at gcc dot gnu dot org
2004-05-24 17:46 ` pinskia at gcc dot gnu dot org
2004-06-07 18:13 ` pinskia at gcc dot gnu dot org
2004-06-09 23:55 ` pinskia at gcc dot gnu dot org
2004-09-28 18:29 ` pinskia at gcc dot gnu dot org
2004-09-28 20:01 ` pinskia at gcc dot gnu dot org
2004-09-29  2:40 ` pinskia at gcc dot gnu dot org
2005-03-08  0:41 ` pinskia at gcc dot gnu dot org
2005-05-01 18:26 ` pinskia at gcc dot gnu dot org
2005-05-01 18:44 ` pinskia at gcc dot gnu dot org
2005-05-04  1:52 ` pinskia at gcc dot gnu dot org

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