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* [Bug tree-optimization/22586] GVN-PRE could do strength reduction
       [not found] <bug-22586-4@http.gcc.gnu.org/bugzilla/>
@ 2012-03-04  0:00 ` pinskia at gcc dot gnu.org
  2012-03-05  5:33 ` pinskia at gcc dot gnu.org
  2012-06-28  1:29 ` wschmidt at gcc dot gnu.org
  2 siblings, 0 replies; 5+ messages in thread
From: pinskia at gcc dot gnu.org @ 2012-03-04  0:00 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22586

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|2006-09-17 08:00:30         |2012-03-03
         Depends on|                            |32120

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-03-03 23:59:23 UTC ---
Related to PR 32120, actually I think PR 32120 is really asking for strength
reduction just it was not called that in the bug report.


^ permalink raw reply	[flat|nested] 5+ messages in thread

* [Bug tree-optimization/22586] GVN-PRE could do strength reduction
       [not found] <bug-22586-4@http.gcc.gnu.org/bugzilla/>
  2012-03-04  0:00 ` [Bug tree-optimization/22586] GVN-PRE could do strength reduction pinskia at gcc dot gnu.org
@ 2012-03-05  5:33 ` pinskia at gcc dot gnu.org
  2012-06-28  1:29 ` wschmidt at gcc dot gnu.org
  2 siblings, 0 replies; 5+ messages in thread
From: pinskia at gcc dot gnu.org @ 2012-03-05  5:33 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22586

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Depends on|                            |37242

--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-03-05 05:30:43 UTC ---
(In reply to comment #3)
> Related to PR 32120, actually I think PR 32120 is really asking for strength
> reduction just it was not called that in the bug report.

And it needs PR 37242 to fix the (long unsigned int) (i + 1)*4 and (long
unsigned int) (i)*4 issue.


^ permalink raw reply	[flat|nested] 5+ messages in thread

* [Bug tree-optimization/22586] GVN-PRE could do strength reduction
       [not found] <bug-22586-4@http.gcc.gnu.org/bugzilla/>
  2012-03-04  0:00 ` [Bug tree-optimization/22586] GVN-PRE could do strength reduction pinskia at gcc dot gnu.org
  2012-03-05  5:33 ` pinskia at gcc dot gnu.org
@ 2012-06-28  1:29 ` wschmidt at gcc dot gnu.org
  2 siblings, 0 replies; 5+ messages in thread
From: wschmidt at gcc dot gnu.org @ 2012-06-28  1:29 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22586

William J. Schmidt <wschmidt at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |wschmidt at gcc dot gnu.org
         Resolution|                            |FIXED

--- Comment #5 from William J. Schmidt <wschmidt at gcc dot gnu.org> 2012-06-28 01:27:43 UTC ---
This specific case is handled by the new strength reduction pass.  Some more
complex scenarios will be added later.


^ permalink raw reply	[flat|nested] 5+ messages in thread

* [Bug tree-optimization/22586] GVN-PRE could do strength reduction
       [not found] <bug-22586-280@http.gcc.gnu.org/bugzilla/>
@ 2008-02-23  5:27 ` pinskia at gcc dot gnu dot org
  0 siblings, 0 replies; 5+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2008-02-23  5:27 UTC (permalink / raw)
  To: gcc-bugs



------- Comment #2 from pinskia at gcc dot gnu dot org  2008-02-23 05:27 -------
*** Bug 35308 has been marked as a duplicate of this bug. ***


-- 

pinskia at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |xinliangli at gmail dot com


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22586


^ permalink raw reply	[flat|nested] 5+ messages in thread

* [Bug tree-optimization/22586] GVN-PRE could do strength reduction
  2005-07-21 12:11 [Bug tree-optimization/22586] New: " steven at gcc dot gnu dot org
@ 2005-07-21 16:18 ` pinskia at gcc dot gnu dot org
  0 siblings, 0 replies; 5+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2005-07-21 16:18 UTC (permalink / raw)
  To: gcc-bugs


------- Additional Comments From pinskia at gcc dot gnu dot org  2005-07-21 16:15 -------
Confirmed.  Note there is a pass at the tree level which already does the replace "a/b to a*(1/b)" at the 
rtl level.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |pinskia at gcc dot gnu dot
                   |                            |org
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|                            |1
   Last reconfirmed|0000-00-00 00:00:00         |2005-07-21 16:15:29
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22586


^ permalink raw reply	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2012-06-28  1:29 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
     [not found] <bug-22586-4@http.gcc.gnu.org/bugzilla/>
2012-03-04  0:00 ` [Bug tree-optimization/22586] GVN-PRE could do strength reduction pinskia at gcc dot gnu.org
2012-03-05  5:33 ` pinskia at gcc dot gnu.org
2012-06-28  1:29 ` wschmidt at gcc dot gnu.org
     [not found] <bug-22586-280@http.gcc.gnu.org/bugzilla/>
2008-02-23  5:27 ` pinskia at gcc dot gnu dot org
2005-07-21 12:11 [Bug tree-optimization/22586] New: " steven at gcc dot gnu dot org
2005-07-21 16:18 ` [Bug tree-optimization/22586] " pinskia at gcc dot gnu dot org

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