public inbox for gcc-bugs@sourceware.org
help / color / mirror / Atom feed
* [Bug tree-optimization/15878] New: a & b & ~a & ~b not optimized at the tree level
@ 2004-06-08 18:36 pinskia at gcc dot gnu dot org
  2004-06-20 20:38 ` [Bug tree-optimization/15878] " pinskia at gcc dot gnu dot org
                   ` (2 more replies)
  0 siblings, 3 replies; 4+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2004-06-08 18:36 UTC (permalink / raw)
  To: gcc-bugs

>From looking at bugs which were fixed for 3.5.0 which were done on the RTL, I noticed this one (From 
PR 5263).

int f(int a,int b) { return a&b~a&~b; }

-- 
           Summary: a & b & ~a & ~b not optimized at the tree level
           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=15878


^ permalink raw reply	[flat|nested] 4+ messages in thread

* [Bug tree-optimization/15878] a & b & ~a & ~b not optimized at the tree level
  2004-06-08 18:36 [Bug tree-optimization/15878] New: a & b & ~a & ~b not optimized at the tree level pinskia at gcc dot gnu dot org
@ 2004-06-20 20:38 ` pinskia at gcc dot gnu dot org
  2005-07-26 13:16 ` dberlin at gcc dot gnu dot org
  2005-08-28 20:04 ` dberlin at gcc dot gnu dot org
  2 siblings, 0 replies; 4+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2004-06-20 20:38 UTC (permalink / raw)
  To: gcc-bugs


------- Additional Comments From pinskia at gcc dot gnu dot org  2004-06-20 20:38 -------
Confirmed.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|                            |1
   Last reconfirmed|0000-00-00 00:00:00         |2004-06-20 20:38:20
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15878


^ permalink raw reply	[flat|nested] 4+ messages in thread

* [Bug tree-optimization/15878] a & b & ~a & ~b not optimized at the tree level
  2004-06-08 18:36 [Bug tree-optimization/15878] New: a & b & ~a & ~b not optimized at the tree level pinskia at gcc dot gnu dot org
  2004-06-20 20:38 ` [Bug tree-optimization/15878] " pinskia at gcc dot gnu dot org
@ 2005-07-26 13:16 ` dberlin at gcc dot gnu dot org
  2005-08-28 20:04 ` dberlin at gcc dot gnu dot org
  2 siblings, 0 replies; 4+ messages in thread
From: dberlin at gcc dot gnu dot org @ 2005-07-26 13:16 UTC (permalink / raw)
  To: gcc-bugs



-- 
Bug 15878 depends on bug 21445, which changed state.

Bug 21445 Summary: [meta-bug] we need a reassociate pass
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21445

           What    |Old Value                   |New Value
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15878


^ permalink raw reply	[flat|nested] 4+ messages in thread

* [Bug tree-optimization/15878] a & b & ~a & ~b not optimized at the tree level
  2004-06-08 18:36 [Bug tree-optimization/15878] New: a & b & ~a & ~b not optimized at the tree level pinskia at gcc dot gnu dot org
  2004-06-20 20:38 ` [Bug tree-optimization/15878] " pinskia at gcc dot gnu dot org
  2005-07-26 13:16 ` dberlin at gcc dot gnu dot org
@ 2005-08-28 20:04 ` dberlin at gcc dot gnu dot org
  2 siblings, 0 replies; 4+ messages in thread
From: dberlin at gcc dot gnu dot org @ 2005-08-28 20:04 UTC (permalink / raw)
  To: gcc-bugs


------- Additional Comments From dberlin at gcc dot gnu dot org  2005-08-28 20:00 -------
I have a patch for this

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|unassigned at gcc dot gnu   |dberlin at gcc dot gnu dot
                   |dot org                     |org
             Status|NEW                         |ASSIGNED
   Last reconfirmed|2005-05-01 16:29:30         |2005-08-28 20:00:06
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15878


^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2005-08-28 20:00 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2004-06-08 18:36 [Bug tree-optimization/15878] New: a & b & ~a & ~b not optimized at the tree level pinskia at gcc dot gnu dot org
2004-06-20 20:38 ` [Bug tree-optimization/15878] " pinskia at gcc dot gnu dot org
2005-07-26 13:16 ` dberlin at gcc dot gnu dot org
2005-08-28 20:04 ` dberlin at gcc dot gnu dot org

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).