[Bug target/69575] [interrupt] The direction flag DF in the FLAGS register may be wrong in interrupt handler

[hjl.tools at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69575

H.J. Lu <hjl.tools at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2016-01-31
     Ever confirmed|0                           |1

--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> ---
Since we can't assume the direction flag in interrupt handler, we must
emit cld instruction if stringops are used in interrupt handler or
interrupt handler isn't a leaf function.