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src/hotspot/share/gc/shared/referenceProcessor.cpp
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rev 51949 : 8211279: Verify missing object equals barriers
*** 282,292 ****
assert(oopDesc::is_oop(_current_discovered), "Dropping a bad reference");
RawAccess<>::oop_store(_current_discovered_addr, oop(NULL));
// First _prev_next ref actually points into DiscoveredList (gross).
oop new_next;
! if (_next_discovered == _current_discovered) {
// At the end of the list, we should make _prev point to itself.
// If _ref is the first ref, then _prev_next will be in the DiscoveredList,
// and _prev will be NULL.
new_next = _prev_discovered;
} else {
--- 282,292 ----
assert(oopDesc::is_oop(_current_discovered), "Dropping a bad reference");
RawAccess<>::oop_store(_current_discovered_addr, oop(NULL));
// First _prev_next ref actually points into DiscoveredList (gross).
oop new_next;
! if (oopDesc::unsafe_equals(_next_discovered, _current_discovered)) {
// At the end of the list, we should make _prev point to itself.
// If _ref is the first ref, then _prev_next will be in the DiscoveredList,
// and _prev will be NULL.
new_next = _prev_discovered;
} else {
*** 472,482 ****
void
ReferenceProcessor::clear_discovered_references(DiscoveredList& refs_list) {
oop obj = NULL;
oop next = refs_list.head();
! while (next != obj) {
obj = next;
next = java_lang_ref_Reference::discovered(obj);
java_lang_ref_Reference::set_discovered_raw(obj, NULL);
}
refs_list.clear();
--- 472,482 ----
void
ReferenceProcessor::clear_discovered_references(DiscoveredList& refs_list) {
oop obj = NULL;
oop next = refs_list.head();
! while (! oopDesc::unsafe_equals(next, obj)) {
obj = next;
next = java_lang_ref_Reference::discovered(obj);
java_lang_ref_Reference::set_discovered_raw(obj, NULL);
}
refs_list.clear();
*** 744,754 ****
}
ref_lists[to_idx].set_head(move_head);
ref_lists[to_idx].inc_length(refs_to_move);
// Remove the chain from the from list.
! if (move_tail == new_head) {
// We found the end of the from list.
ref_lists[from_idx].set_head(NULL);
} else {
ref_lists[from_idx].set_head(new_head);
}
--- 744,754 ----
}
ref_lists[to_idx].set_head(move_head);
ref_lists[to_idx].inc_length(refs_to_move);
// Remove the chain from the from list.
! if (oopDesc::unsafe_equals(move_tail, new_head)) {
// We found the end of the from list.
ref_lists[from_idx].set_head(NULL);
} else {
ref_lists[from_idx].set_head(new_head);
}
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