src/hotspot/share/gc/g1/g1CollectedHeap.cpp

rev 47400 : [mq]: cmpxchg_ptr

*** 3496,3506 ****
    void add_to_postponed_list(CompiledMethod* nm) {
        CompiledMethod* old;
        do {
          old = (CompiledMethod*)_postponed_list;
          nm->set_unloading_next(old);
!       } while ((CompiledMethod*)Atomic::cmpxchg_ptr(nm, &_postponed_list, old) != old);
    }
  
    void clean_nmethod(CompiledMethod* nm) {
      bool postponed = nm->do_unloading_parallel(_is_alive, _unloading_occurred);
  
--- 3496,3506 ----
    void add_to_postponed_list(CompiledMethod* nm) {
        CompiledMethod* old;
        do {
          old = (CompiledMethod*)_postponed_list;
          nm->set_unloading_next(old);
!       } while (Atomic::cmpxchg(nm, &_postponed_list, old) != old);
    }
  
    void clean_nmethod(CompiledMethod* nm) {
      bool postponed = nm->do_unloading_parallel(_is_alive, _unloading_occurred);
  
*** 3539,3549 ****
            claimed_nmethods[i] = last.method();
            (*num_claimed_nmethods)++;
          }
        }
  
!     } while ((CompiledMethod*)Atomic::cmpxchg_ptr(last.method(), &_claimed_nmethod, first) != first);
    }
  
    CompiledMethod* claim_postponed_nmethod() {
      CompiledMethod* claim;
      CompiledMethod* next;
--- 3539,3549 ----
            claimed_nmethods[i] = last.method();
            (*num_claimed_nmethods)++;
          }
        }
  
!     } while (Atomic::cmpxchg(last.method(), &_claimed_nmethod, first) != first);
    }
  
    CompiledMethod* claim_postponed_nmethod() {
      CompiledMethod* claim;
      CompiledMethod* next;
*** 3554,3564 ****
          return NULL;
        }
  
        next = claim->unloading_next();
  
!     } while ((CompiledMethod*)Atomic::cmpxchg_ptr(next, &_postponed_list, claim) != claim);
  
      return claim;
    }
  
   public:
--- 3554,3564 ----
          return NULL;
        }
  
        next = claim->unloading_next();
  
!     } while (Atomic::cmpxchg(next, &_postponed_list, claim) != claim);
  
      return claim;
    }
  
   public: