Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/memory/cardTableModRefBS.cpp
src/share/vm/memory/cardTableModRefBS.cpp
- changeset 1526
- 6aa7255741f3
- parent 1375
- 8624da129f0b
- child 1907
- c18cbe5936b8
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| 1525:fa357420e7d2 | 1526:6aa7255741f3 |
|---|---|
| 509 } | 509 } |
| 510 non_clean_card_iterate(sp, used_mr, dcto_cl, dcto_cl, clear); | 510 non_clean_card_iterate(sp, used_mr, dcto_cl, dcto_cl, clear); |
| 511 } | 511 } |
| 512 | 512 |
| 513 void CardTableModRefBS::dirty_MemRegion(MemRegion mr) { | 513 void CardTableModRefBS::dirty_MemRegion(MemRegion mr) { |
| 514 assert((HeapWord*)align_size_down((uintptr_t)mr.start(), HeapWordSize) == mr.start(), "Unaligned start"); | |
| 515 assert((HeapWord*)align_size_up ((uintptr_t)mr.end(), HeapWordSize) == mr.end(), "Unaligned end" ); | |
| 514 jbyte* cur = byte_for(mr.start()); | 516 jbyte* cur = byte_for(mr.start()); |
| 515 jbyte* last = byte_after(mr.last()); | 517 jbyte* last = byte_after(mr.last()); |
| 516 while (cur < last) { | 518 while (cur < last) { |
| 517 *cur = dirty_card; | 519 *cur = dirty_card; |
| 518 cur++; | 520 cur++; |
| 519 } | 521 } |
| 520 } | 522 } |
| 521 | 523 |
| 522 void CardTableModRefBS::invalidate(MemRegion mr, bool whole_heap) { | 524 void CardTableModRefBS::invalidate(MemRegion mr, bool whole_heap) { |
| 525 assert((HeapWord*)align_size_down((uintptr_t)mr.start(), HeapWordSize) == mr.start(), "Unaligned start"); | |
| 526 assert((HeapWord*)align_size_up ((uintptr_t)mr.end(), HeapWordSize) == mr.end(), "Unaligned end" ); | |
| 523 for (int i = 0; i < _cur_covered_regions; i++) { | 527 for (int i = 0; i < _cur_covered_regions; i++) { |
| 524 MemRegion mri = mr.intersection(_covered[i]); | 528 MemRegion mri = mr.intersection(_covered[i]); |
| 525 if (!mri.is_empty()) dirty_MemRegion(mri); | 529 if (!mri.is_empty()) dirty_MemRegion(mri); |
| 526 } | 530 } |
| 527 } | 531 } |
