src/hotspot/cpu/arm/interp_masm_arm.cpp

*** 983,19 ***
      }
  
      bind(slow_case);
  
      // Call the runtime routine for slow case
!     if (LockingMode == LM_LIGHTWEIGHT) {
-       // Pass oop, not lock, in fast lock case. call_VM wants R1 though.
-       push(R1);
-       mov(R1, Robj);
-       call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::monitorenter_obj), R1);
-       pop(R1);
-     } else {
-       call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::monitorenter), Rlock);
-     }
      bind(done);
    }
  }
  
  // Unlocks an object. Used in monitorexit bytecode and remove_activation.
--- 983,11 ---
      }
  
      bind(slow_case);
  
      // Call the runtime routine for slow case
!     call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::monitorenter), Rlock);
      bind(done);
    }
  }
  
  // Unlocks an object. Used in monitorexit bytecode and remove_activation.