Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/utilities/bitMap.cpp
src/share/vm/utilities/bitMap.cpp
- changeset 5278
- b9d151496930
- parent 4904
- 7b835924c31c
- child 6198
- 55fb97c4c58d
- child 6461
- bdd155477289
equal
deleted
inserted
replaced
| 5277:01522ca68fc7 | 5278:b9d151496930 |
|---|---|
| 39 # include "os_bsd.inline.hpp" | 39 # include "os_bsd.inline.hpp" |
| 40 #endif | 40 #endif |
| 41 | 41 |
| 42 | 42 |
| 43 BitMap::BitMap(bm_word_t* map, idx_t size_in_bits) : | 43 BitMap::BitMap(bm_word_t* map, idx_t size_in_bits) : |
| 44 _map(map), _size(size_in_bits) | 44 _map(map), _size(size_in_bits), _map_allocator(false) |
| 45 { | 45 { |
| 46 assert(sizeof(bm_word_t) == BytesPerWord, "Implementation assumption."); | 46 assert(sizeof(bm_word_t) == BytesPerWord, "Implementation assumption."); |
| 47 assert(size_in_bits >= 0, "just checking"); | 47 assert(size_in_bits >= 0, "just checking"); |
| 48 } | 48 } |
| 49 | 49 |
| 50 | 50 |
| 51 BitMap::BitMap(idx_t size_in_bits, bool in_resource_area) : | 51 BitMap::BitMap(idx_t size_in_bits, bool in_resource_area) : |
| 52 _map(NULL), _size(0) | 52 _map(NULL), _size(0), _map_allocator(false) |
| 53 { | 53 { |
| 54 assert(sizeof(bm_word_t) == BytesPerWord, "Implementation assumption."); | 54 assert(sizeof(bm_word_t) == BytesPerWord, "Implementation assumption."); |
| 55 resize(size_in_bits, in_resource_area); | 55 resize(size_in_bits, in_resource_area); |
| 56 } | 56 } |
| 57 | 57 |
| 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, mtInternal); | 68 if (old_map != NULL) { |
| 69 _map = NEW_C_HEAP_ARRAY(bm_word_t, new_size_in_words, mtInternal); | 69 _map_allocator.free(); |
| 70 } | |
| 71 _map = _map_allocator.allocate(new_size_in_words); | |
| 70 } | 72 } |
| 71 Copy::disjoint_words((HeapWord*)old_map, (HeapWord*) _map, | 73 Copy::disjoint_words((HeapWord*)old_map, (HeapWord*) _map, |
| 72 MIN2(old_size_in_words, new_size_in_words)); | 74 MIN2(old_size_in_words, new_size_in_words)); |
| 73 if (new_size_in_words > old_size_in_words) { | 75 if (new_size_in_words > old_size_in_words) { |
| 74 clear_range_of_words(old_size_in_words, size_in_words()); | 76 clear_range_of_words(old_size_in_words, size_in_words()); |
