[Bug target/64784] -march=native should be supported

[ktkachov at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64784

ktkachov at gcc dot gnu.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2015-01-26
                 CC|                            |ktkachov at gcc dot gnu.org
           Assignee|unassigned at gcc dot gnu.org      |ktkachov at gcc dot gnu.org
     Ever confirmed|0                           |1

--- Comment #1 from ktkachov at gcc dot gnu.org ---
I'll take this too since I've been working on -m{cpu,tune,arcg}=native, but we
don't have armv8.1 support yet.