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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)
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[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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