[Bug tree-optimization/31756] -floop-interchange is not working on some fortran loops

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=31756

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Doesn't optimize the        |-floop-interchange is not
                   |following (obvious)         |working on some fortran
                   |sequence                    |loops
   Last reconfirmed|2009-04-22 21:26:54         |2021-7-24
           Severity|normal                      |enhancement

--- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
These days the options are:
-O3 -ftree-vectorize -ftree-vectorizer-verbose=2 -floop-interchange 

But the loop is not being interchanged and producing a memcpy.