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

rev 51546 : Some optimization to traversal-marking
rev 51547 : Refactor to group marking bitmap and TAMS structure in one class ShenandoahMarkingContext
rev 51548 : Avoid indirection to next-mark-context

*** 35,45 ****
  #include "gc/shenandoah/shenandoahTaskqueue.hpp"
  #include "memory/iterator.inline.hpp"
  #include "oops/oop.inline.hpp"
  
  template <class T, bool STRING_DEDUP, bool DEGEN, bool UPDATE_MATRIX>
! void ShenandoahTraversalGC::process_oop(T* p, Thread* thread, ShenandoahObjToScanQueue* queue, oop base_obj) {
    T o = RawAccess<>::oop_load(p);
    if (!CompressedOops::is_null(o)) {
      oop obj = CompressedOops::decode_not_null(o);
      bool update_matrix = true;
      if (DEGEN) {
--- 35,45 ----
  #include "gc/shenandoah/shenandoahTaskqueue.hpp"
  #include "memory/iterator.inline.hpp"
  #include "oops/oop.inline.hpp"
  
  template <class T, bool STRING_DEDUP, bool DEGEN, bool UPDATE_MATRIX>
! void ShenandoahTraversalGC::process_oop(T* p, Thread* thread, ShenandoahObjToScanQueue* queue, ShenandoahMarkingContext* const mark_context, oop base_obj) {
    T o = RawAccess<>::oop_load(p);
    if (!CompressedOops::is_null(o)) {
      oop obj = CompressedOops::decode_not_null(o);
      bool update_matrix = true;
      if (DEGEN) {
*** 75,85 ****
        if (src != NULL) {
          _matrix->set_connected(src, obj);
        }
      }
  
!     if (_heap->next_marking_context()->mark(obj)) {
        bool succeeded = queue->push(ShenandoahMarkTask(obj));
        assert(succeeded, "must succeed to push to task queue");
  
        if (STRING_DEDUP && ShenandoahStringDedup::is_candidate(obj) && !_heap->cancelled_gc()) {
          assert(ShenandoahStringDedup::is_enabled(), "Must be enabled");
--- 75,85 ----
        if (src != NULL) {
          _matrix->set_connected(src, obj);
        }
      }
  
!     if (mark_context->mark(obj)) {
        bool succeeded = queue->push(ShenandoahMarkTask(obj));
        assert(succeeded, "must succeed to push to task queue");
  
        if (STRING_DEDUP && ShenandoahStringDedup::is_candidate(obj) && !_heap->cancelled_gc()) {
          assert(ShenandoahStringDedup::is_enabled(), "Must be enabled");