[Bug target/81907] memset called when it does not need to be; -mtune=cortex-a9

[ktkachov at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81907

ktkachov at gcc dot gnu.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2017-08-21
                 CC|                            |ktkachov at gcc dot gnu.org
     Ever confirmed|0                           |1

--- Comment #12 from ktkachov at gcc dot gnu.org ---
Confirmed the call on 6.4.1 but GCC 7 and trunk don't generate the call for
-mcpu=cortex-a9 .
I don't know off the top of my head what change fixed this though.