Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/utilities/bitMap.cpp
src/share/vm/utilities/bitMap.cpp
- changeset 3901
- 24b9c7f4cae6
- parent 3900
- d2a62e0f25eb
- child 4904
- 7b835924c31c
equal
deleted
inserted
replaced
| 3898:bcffa4c5eef6 | 3901:24b9c7f4cae6 |
|---|---|
| 63 _size = size_in_bits; | 63 _size = size_in_bits; |
| 64 idx_t new_size_in_words = size_in_words(); | 64 idx_t new_size_in_words = size_in_words(); |
| 65 if (in_resource_area) { | 65 if (in_resource_area) { |
| 66 _map = NEW_RESOURCE_ARRAY(bm_word_t, new_size_in_words); | 66 _map = NEW_RESOURCE_ARRAY(bm_word_t, new_size_in_words); |
| 67 } else { | 67 } else { |
| 68 if (old_map != NULL) FREE_C_HEAP_ARRAY(bm_word_t, _map); | 68 if (old_map != NULL) FREE_C_HEAP_ARRAY(bm_word_t, _map, mtInternal); |
| 69 _map = NEW_C_HEAP_ARRAY(bm_word_t, new_size_in_words); | 69 _map = NEW_C_HEAP_ARRAY(bm_word_t, new_size_in_words, mtInternal); |
| 70 } | 70 } |
| 71 Copy::disjoint_words((HeapWord*)old_map, (HeapWord*) _map, | 71 Copy::disjoint_words((HeapWord*)old_map, (HeapWord*) _map, |
| 72 MIN2(old_size_in_words, new_size_in_words)); | 72 MIN2(old_size_in_words, new_size_in_words)); |
| 73 if (new_size_in_words > old_size_in_words) { | 73 if (new_size_in_words > old_size_in_words) { |
| 74 clear_range_of_words(old_size_in_words, size_in_words()); | 74 clear_range_of_words(old_size_in_words, size_in_words()); |
| 467 | 467 |
| 468 BitMap::idx_t* BitMap::_pop_count_table = NULL; | 468 BitMap::idx_t* BitMap::_pop_count_table = NULL; |
| 469 | 469 |
| 470 void BitMap::init_pop_count_table() { | 470 void BitMap::init_pop_count_table() { |
| 471 if (_pop_count_table == NULL) { | 471 if (_pop_count_table == NULL) { |
| 472 BitMap::idx_t *table = NEW_C_HEAP_ARRAY(idx_t, 256); | 472 BitMap::idx_t *table = NEW_C_HEAP_ARRAY(idx_t, 256, mtInternal); |
| 473 for (uint i = 0; i < 256; i++) { | 473 for (uint i = 0; i < 256; i++) { |
| 474 table[i] = num_set_bits(i); | 474 table[i] = num_set_bits(i); |
| 475 } | 475 } |
| 476 | 476 |
| 477 intptr_t res = Atomic::cmpxchg_ptr((intptr_t) table, | 477 intptr_t res = Atomic::cmpxchg_ptr((intptr_t) table, |
| 478 (intptr_t*) &_pop_count_table, | 478 (intptr_t*) &_pop_count_table, |
| 479 (intptr_t) NULL_WORD); | 479 (intptr_t) NULL_WORD); |
| 480 if (res != NULL_WORD) { | 480 if (res != NULL_WORD) { |
| 481 guarantee( _pop_count_table == (void*) res, "invariant" ); | 481 guarantee( _pop_count_table == (void*) res, "invariant" ); |
| 482 FREE_C_HEAP_ARRAY(bm_word_t, table); | 482 FREE_C_HEAP_ARRAY(bm_word_t, table, mtInternal); |
| 483 } | 483 } |
| 484 } | 484 } |
| 485 } | 485 } |
| 486 | 486 |
| 487 BitMap::idx_t BitMap::num_set_bits(bm_word_t w) { | 487 BitMap::idx_t BitMap::num_set_bits(bm_word_t w) { |
