src/share/vm/gc_implementation/g1/g1OopClosures.hpp

rev 7171 : 8060025: Object copy time regressions after JDK-8031323 and JDK-8057536
Summary: Evaluate and improve object copy time by micro-optimizations and splitting out slow and fast paths aggressively.
Reviewed-by: kbarrett, mgerdin, jmasa
Contributed-by: Tony Printezis <tprintezis@twitter.com>, Thomas Schatzl <thomas.schatzl@oracle.com>
rev 7178 : 8067655: Clean up G1 remembered set oop iteration
Summary: Pass on the static type G1ParPushHeapRSClosure to allow oop_iterate devirtualization
Reviewed-by: jmasa, kbarrett

*** 238,255 ****
  
  class G1UpdateRSOrPushRefOopClosure: public ExtendedOopClosure {
    G1CollectedHeap* _g1;
    G1RemSet* _g1_rem_set;
    HeapRegion* _from;
!   OopsInHeapRegionClosure* _push_ref_cl;
    bool _record_refs_into_cset;
    uint _worker_i;
  
  public:
    G1UpdateRSOrPushRefOopClosure(G1CollectedHeap* g1h,
                                  G1RemSet* rs,
!                                 OopsInHeapRegionClosure* push_ref_cl,
                                  bool record_refs_into_cset,
                                  uint worker_i = 0);
  
    void set_from(HeapRegion* from) {
      assert(from != NULL, "from region must be non-NULL");
--- 238,255 ----
  
  class G1UpdateRSOrPushRefOopClosure: public ExtendedOopClosure {
    G1CollectedHeap* _g1;
    G1RemSet* _g1_rem_set;
    HeapRegion* _from;
!   G1ParPushHeapRSClosure* _push_ref_cl;
    bool _record_refs_into_cset;
    uint _worker_i;
  
  public:
    G1UpdateRSOrPushRefOopClosure(G1CollectedHeap* g1h,
                                  G1RemSet* rs,
!                                 G1ParPushHeapRSClosure* push_ref_cl,
                                  bool record_refs_into_cset,
                                  uint worker_i = 0);
  
    void set_from(HeapRegion* from) {
      assert(from != NULL, "from region must be non-NULL");