hotspot/src/share/vm/gc_implementation/parallelScavenge/psPromotionManager.inline.hpp
--- a/hotspot/src/share/vm/gc_implementation/parallelScavenge/psPromotionManager.inline.hpp Mon Aug 02 12:51:43 2010 -0700
+++ b/hotspot/src/share/vm/gc_implementation/parallelScavenge/psPromotionManager.inline.hpp Thu Jul 22 10:27:41 2010 -0400
@@ -46,32 +46,7 @@
}
template <class T>
-inline void PSPromotionManager::claim_or_forward_internal_breadth(T* p) {
- if (p != NULL) { // XXX: error if p != NULL here
- oop o = oopDesc::load_decode_heap_oop_not_null(p);
- if (o->is_forwarded()) {
- o = o->forwardee();
- } else {
- o = copy_to_survivor_space(o, false);
- }
- // Card mark
- if (PSScavenge::is_obj_in_young((HeapWord*) o)) {
- PSScavenge::card_table()->inline_write_ref_field_gc(p, o);
- }
- oopDesc::encode_store_heap_oop_not_null(p, o);
- }
-}
-
-inline void PSPromotionManager::flush_prefetch_queue() {
- assert(!depth_first(), "invariant");
- for (int i = 0; i < _prefetch_queue.length(); i++) {
- claim_or_forward_internal_breadth((oop*)_prefetch_queue.pop());
- }
-}
-
-template <class T>
inline void PSPromotionManager::claim_or_forward_depth(T* p) {
- assert(depth_first(), "invariant");
assert(PSScavenge::should_scavenge(p, true), "revisiting object?");
assert(Universe::heap()->kind() == CollectedHeap::ParallelScavengeHeap,
"Sanity");
@@ -80,36 +55,6 @@
claim_or_forward_internal_depth(p);
}
-template <class T>
-inline void PSPromotionManager::claim_or_forward_breadth(T* p) {
- assert(!depth_first(), "invariant");
- assert(PSScavenge::should_scavenge(p, true), "revisiting object?");
- assert(Universe::heap()->kind() == CollectedHeap::ParallelScavengeHeap,
- "Sanity");
- assert(Universe::heap()->is_in(p), "pointer outside heap");
-
- if (UsePrefetchQueue) {
- claim_or_forward_internal_breadth((T*)_prefetch_queue.push_and_pop(p));
- } else {
- // This option is used for testing. The use of the prefetch
- // queue can delay the processing of the objects and thus
- // change the order of object scans. For example, remembered
- // set updates are typically the clearing of the remembered
- // set (the cards) followed by updates of the remembered set
- // for young-to-old pointers. In a situation where there
- // is an error in the sequence of clearing and updating
- // (e.g. clear card A, update card A, erroneously clear
- // card A again) the error can be obscured by a delay
- // in the update due to the use of the prefetch queue
- // (e.g., clear card A, erroneously clear card A again,
- // update card A that was pushed into the prefetch queue
- // and thus delayed until after the erronous clear). The
- // length of the delay is random depending on the objects
- // in the queue and the delay can be zero.
- claim_or_forward_internal_breadth(p);
- }
-}
-
inline void PSPromotionManager::process_popped_location_depth(StarTask p) {
if (is_oop_masked(p)) {
assert(PSChunkLargeArrays, "invariant");