[Bug tree-optimization/36011] Loop interchange not performed, data dependence analysis defect

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=36011

Andrew Pinski  changed:

   What|Removed |Added

   Last reconfirmed|2008-12-28 06:32:01 |2021-12-25

--- Comment #2 from Andrew Pinski  ---
This is still true, you need still need  -fno-tree-pre -fno-tree-loop-im to get
the loop to interchanged.

-O2 -fno-tree-pre -fno-tree-loop-im -floop-interchange works while just -O2
-floop-interchange does not.

[Bug tree-optimization/36011] Loop interchange not performed, data dependence analysis defect

[pinskia at gcc dot gnu dot org]

--- Comment #1 from pinskia at gcc dot gnu dot org  2008-12-28 06:32 ---
Confirmed.


-- 

pinskia at gcc dot gnu dot org changed:

   What|Removed |Added

 Status|UNCONFIRMED |NEW
 Ever Confirmed|0   |1
   Last reconfirmed|-00-00 00:00:00 |2008-12-28 06:32:01
   date||


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36011

[Bug tree-optimization/36011] Loop interchange not performed, data dependence analysis defect

[pinskia at gcc dot gnu dot org]

-- 

pinskia at gcc dot gnu dot org changed:

   What|Removed |Added

   Severity|normal  |enhancement


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36011