Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp
src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp
- changeset 6398
- b7e42ada4898
- parent 6397
- d60ecdb2773e
- child 6402
- 191174b49bec
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| 6397:d60ecdb2773e | 6398:b7e42ada4898 |
|---|---|
| 4741 Prefetch::write(obj_ptr, PrefetchCopyIntervalInBytes); | 4741 Prefetch::write(obj_ptr, PrefetchCopyIntervalInBytes); |
| 4742 | 4742 |
| 4743 oop forward_ptr = old->forward_to_atomic(obj); | 4743 oop forward_ptr = old->forward_to_atomic(obj); |
| 4744 if (forward_ptr == NULL) { | 4744 if (forward_ptr == NULL) { |
| 4745 Copy::aligned_disjoint_words((HeapWord*) old, obj_ptr, word_sz); | 4745 Copy::aligned_disjoint_words((HeapWord*) old, obj_ptr, word_sz); |
| 4746 | |
| 4747 // alloc_purpose is just a hint to allocate() above, recheck the type of region | |
| 4748 // we actually allocated from and update alloc_purpose accordingly | |
| 4749 HeapRegion* to_region = _g1h->heap_region_containing_raw(obj_ptr); | |
| 4750 alloc_purpose = to_region->is_young() ? GCAllocForSurvived : GCAllocForTenured; | |
| 4751 | |
| 4746 if (g1p->track_object_age(alloc_purpose)) { | 4752 if (g1p->track_object_age(alloc_purpose)) { |
| 4747 // We could simply do obj->incr_age(). However, this causes a | 4753 // We could simply do obj->incr_age(). However, this causes a |
| 4748 // performance issue. obj->incr_age() will first check whether | 4754 // performance issue. obj->incr_age() will first check whether |
| 4749 // the object has a displaced mark by checking its mark word; | 4755 // the object has a displaced mark by checking its mark word; |
| 4750 // getting the mark word from the new location of the object | 4756 // getting the mark word from the new location of the object |
