am 59f6b7a2: Merge "ART: GenLongArith has to clobber same operands for 2-op instr" into lmp-mr1-dev

* commit '59f6b7a22845421772daa12f2c7c97ffcdf3b037':
  ART: GenLongArith has to clobber same operands for 2-op instr