src/hotspot/share/gc/g1/g1OopClosures.inline.hpp

rev 52281 : [mq]: 8212911-unify-reference-handling-during-gc

*** 85,95 ****
    } else {
      if (HeapRegion::is_in_same_region(p, obj)) {
        return;
      }
      handle_non_cset_obj_common(state, p, obj);
!     _par_scan_state->update_rs(_from, p, obj);
    }
  }
  
  template <class T>
  inline void G1CMOopClosure::do_oop_work(T* p) {
--- 85,98 ----
    } else {
      if (HeapRegion::is_in_same_region(p, obj)) {
        return;
      }
      handle_non_cset_obj_common(state, p, obj);
!     if (_from_is_young) {
!       return;
!     }
!     _par_scan_state->enqueue_card_if_tracked(p, obj);
    }
  }
  
  template <class T>
  inline void G1CMOopClosure::do_oop_work(T* p) {
*** 171,186 ****
    if (state.is_in_cset()) {
      // Since the source is always from outside the collection set, here we implicitly know
      // that this is a cross-region reference too.
      prefetch_and_push(p, obj);
    } else {
!     HeapRegion* to = _g1h->heap_region_containing(obj);
!     if (_from == to) {
        return;
      }
      handle_non_cset_obj_common(state, p, obj);
!     to->rem_set()->add_reference(p, _worker_i);
    }
  }
  
  template <class T>
  inline void G1ScanObjsDuringScanRSClosure::do_oop_work(T* p) {
--- 174,189 ----
    if (state.is_in_cset()) {
      // Since the source is always from outside the collection set, here we implicitly know
      // that this is a cross-region reference too.
      prefetch_and_push(p, obj);
    } else {
!     if (HeapRegion::is_in_same_region(p, obj)) {
        return;
      }
      handle_non_cset_obj_common(state, p, obj);
!     assert(!_from_is_young, "Should not be the case.");
!     _par_scan_state->enqueue_card_if_tracked(p, obj);
    }
  }
  
  template <class T>
  inline void G1ScanObjsDuringScanRSClosure::do_oop_work(T* p) {