2448     __ lea(lock_reg, Address(rsp, lock_slot_offset * VMRegImpl::stack_slot_size));

  2448     __ lea(lock_reg, Address(rsp, lock_slot_offset * VMRegImpl::stack_slot_size));

  2449 

  2449 

  2450     // Load the oop from the handle

  2450     // Load the oop from the handle

  2451     __ movptr(obj_reg, Address(oop_handle_reg, 0));

  2451     __ movptr(obj_reg, Address(oop_handle_reg, 0));

  2452 

  2452 

  2453     if (UseBiasedLocking) {

  2454     if (UseBiasedLocking) {

  2454       __ biased_locking_enter(lock_reg, obj_reg, swap_reg, rscratch1, false, lock_done, &slow_path_lock);

  2455       __ biased_locking_enter(lock_reg, obj_reg, swap_reg, rscratch1, false, lock_done, &slow_path_lock);

  2455     }

  2456     }

  2456 

  2457 

  2457     // Load immediate 1 into swap_reg %rax

  2458     // Load immediate 1 into swap_reg %rax

  2633   Label slow_path_unlock;

  2634   Label slow_path_unlock;

  2634   if (method->is_synchronized()) {

  2635   if (method->is_synchronized()) {

  2635 

  2636 

  2636     // Get locked oop from the handle we passed to jni

  2637     // Get locked oop from the handle we passed to jni

  2637     __ movptr(obj_reg, Address(oop_handle_reg, 0));

  2638     __ movptr(obj_reg, Address(oop_handle_reg, 0));

  2638 

  2640 

  2639     Label done;

  2641     Label done;

  2640 

  2642 

  2641     if (UseBiasedLocking) {

  2643     if (UseBiasedLocking) {

  2642       __ biased_locking_exit(obj_reg, old_hdr, done);

  2644       __ biased_locking_exit(obj_reg, old_hdr, done);