src/hotspot/share/gc/shenandoah/shenandoahBarrierSet.inline.hpp

rev 58558 : 8241605: Shenandoah: More aggressive reference discovery

*** 90,121 ****
    if (obj != NULL && ShenandoahStoreValEnqueueBarrier && _heap->is_concurrent_traversal_in_progress()) {
      enqueue(obj);
    }
  }
  
- inline void ShenandoahBarrierSet::keep_alive_barrier(oop value) {
-   assert(value != NULL, "checked before");
-   if (ShenandoahKeepAliveBarrier && _heap->is_concurrent_mark_in_progress()) {
-     enqueue(value);
-   }
- }
- 
  inline void ShenandoahBarrierSet::keep_alive_if_weak(DecoratorSet decorators, oop value) {
    assert((decorators & ON_UNKNOWN_OOP_REF) == 0, "Reference strength must be known");
    const bool on_strong_oop_ref = (decorators & ON_STRONG_OOP_REF) != 0;
    const bool peek              = (decorators & AS_NO_KEEPALIVE) != 0;
    if (!peek && !on_strong_oop_ref) {
!     keep_alive_barrier(value);
    }
  }
  
  template <DecoratorSet decorators>
  inline void ShenandoahBarrierSet::keep_alive_if_weak(oop value) {
    assert((decorators & ON_UNKNOWN_OOP_REF) == 0, "Reference strength must be known");
    if (!HasDecorator<decorators, ON_STRONG_OOP_REF>::value &&
        !HasDecorator<decorators, AS_NO_KEEPALIVE>::value) {
!     keep_alive_barrier(value);
    }
  }
  
  template <DecoratorSet decorators, typename BarrierSetT>
  template <typename T>
--- 90,114 ----
    if (obj != NULL && ShenandoahStoreValEnqueueBarrier && _heap->is_concurrent_traversal_in_progress()) {
      enqueue(obj);
    }
  }
  
  inline void ShenandoahBarrierSet::keep_alive_if_weak(DecoratorSet decorators, oop value) {
    assert((decorators & ON_UNKNOWN_OOP_REF) == 0, "Reference strength must be known");
    const bool on_strong_oop_ref = (decorators & ON_STRONG_OOP_REF) != 0;
    const bool peek              = (decorators & AS_NO_KEEPALIVE) != 0;
    if (!peek && !on_strong_oop_ref) {
!     satb_enqueue(value);
    }
  }
  
  template <DecoratorSet decorators>
  inline void ShenandoahBarrierSet::keep_alive_if_weak(oop value) {
    assert((decorators & ON_UNKNOWN_OOP_REF) == 0, "Reference strength must be known");
    if (!HasDecorator<decorators, ON_STRONG_OOP_REF>::value &&
        !HasDecorator<decorators, AS_NO_KEEPALIVE>::value) {
!     satb_enqueue(value);
    }
  }
  
  template <DecoratorSet decorators, typename BarrierSetT>
  template <typename T>