[Bug other/60486] [avr] missed optimization on detecting zero flag set

[gjl at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60486

Georg-Johann Lay <gjl at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Target|                            |avr
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2014-03-10
      Known to work|                            |4.7.2
     Ever confirmed|0                           |1
      Known to fail|                            |4.8.2

--- Comment #2 from Georg-Johann Lay <gjl at gcc dot gnu.org> ---
cc0 should be set appropriately by avr.c:notice_update_cc which eventually
calls avr.c:avr_out_plus_1 to get cc0 for addhi3_clobber (insn #13).