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

[pinskia at gcc dot gnu.org]

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

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

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

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
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.