[Bug tree-optimization/22586] GVN-PRE could do strength reduction

2019-08-20 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=22586 Bug 22586 depends on bug 37242, which changed state. Bug 37242 Summary: missed FRE opportunity because of signedness of addition https://gcc.gnu.org/bugzilla/show_bug.cgi?id=37242 What|Removed |Added ---

[Bug tree-optimization/22586] GVN-PRE could do strength reduction

2012-06-27 Thread wschmidt at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22586 William J. Schmidt changed: What|Removed |Added Status|NEW |RESOLVED CC|

[Bug tree-optimization/22586] GVN-PRE could do strength reduction

2012-03-04 Thread pinskia at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22586 Andrew Pinski changed: What|Removed |Added Depends on||37242 --- Comment #4 from Andrew Pinski

[Bug tree-optimization/22586] GVN-PRE could do strength reduction

2012-03-03 Thread pinskia at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22586 Andrew Pinski changed: What|Removed |Added Last reconfirmed|2006-09-17 08:00:30 |2012-03-03 Depends on|

[Bug tree-optimization/22586] GVN-PRE could do strength reduction

2008-02-22 Thread pinskia at gcc dot gnu dot org
--- 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 ---

[Bug tree-optimization/22586] GVN-PRE could do strength reduction

2005-07-21 Thread pinskia at gcc dot gnu dot org
--- 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