Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/gc_implementation/g1/heapRegionSeq.cpp
src/share/vm/gc_implementation/g1/heapRegionSeq.cpp
- changeset 828
- 078b8a0d8d7c
- parent 777
- 37f87013dfd8
- child 905
- ad8c8ca4ab0f
- child 916
- 7d7a7c599c17
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| 827:05366dad12cf | 828:078b8a0d8d7c |
|---|---|
| 35 assert(false, "We should never compare distinct overlapping regions."); | 35 assert(false, "We should never compare distinct overlapping regions."); |
| 36 } | 36 } |
| 37 return 0; | 37 return 0; |
| 38 } | 38 } |
| 39 | 39 |
| 40 HeapRegionSeq::HeapRegionSeq() : | 40 HeapRegionSeq::HeapRegionSeq(const size_t max_size) : |
| 41 _alloc_search_start(0), | 41 _alloc_search_start(0), |
| 42 // The line below is the worst bit of C++ hackery I've ever written | 42 // The line below is the worst bit of C++ hackery I've ever written |
| 43 // (Detlefs, 11/23). You should think of it as equivalent to | 43 // (Detlefs, 11/23). You should think of it as equivalent to |
| 44 // "_regions(100, true)": initialize the growable array and inform it | 44 // "_regions(100, true)": initialize the growable array and inform it |
| 45 // that it should allocate its elem array(s) on the C heap. The first | 45 // that it should allocate its elem array(s) on the C heap. The first |
| 48 // is *already* allocated on the C heap: it uses the placement syntax to | 48 // is *already* allocated on the C heap: it uses the placement syntax to |
| 49 // keep it from actually doing any allocation. | 49 // keep it from actually doing any allocation. |
| 50 _regions((ResourceObj::operator new (sizeof(GrowableArray<HeapRegion*>), | 50 _regions((ResourceObj::operator new (sizeof(GrowableArray<HeapRegion*>), |
| 51 (void*)&_regions, | 51 (void*)&_regions, |
| 52 ResourceObj::C_HEAP), | 52 ResourceObj::C_HEAP), |
| 53 100), | 53 (int)max_size), |
| 54 true), | 54 true), |
| 55 _next_rr_candidate(0), | 55 _next_rr_candidate(0), |
| 56 _seq_bottom(NULL) | 56 _seq_bottom(NULL) |
| 57 {} | 57 {} |
| 58 | 58 |
| 165 | 165 |
| 166 | 166 |
| 167 // Public methods. | 167 // Public methods. |
| 168 | 168 |
| 169 void HeapRegionSeq::insert(HeapRegion* hr) { | 169 void HeapRegionSeq::insert(HeapRegion* hr) { |
| 170 assert(!_regions.is_full(), "Too many elements in HeapRegionSeq"); | |
| 170 if (_regions.length() == 0 | 171 if (_regions.length() == 0 |
| 171 || _regions.top()->end() <= hr->bottom()) { | 172 || _regions.top()->end() <= hr->bottom()) { |
| 172 hr->set_hrs_index(_regions.length()); | 173 hr->set_hrs_index(_regions.length()); |
| 173 _regions.append(hr); | 174 _regions.append(hr); |
| 174 } else { | 175 } else { |
