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8141501: Problems with BitMap buffer management

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Reviewed-by: pliden, kbarrett
This commit is contained in:
Stefan Karlsson 2016-05-03 22:45:27 +02:00
parent 46d52062aa
commit f8be292b88
41 changed files with 539 additions and 319 deletions
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13
hotspot/src/share/vm/oops/generateOopMap.cpp
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@ -378,11 +378,10 @@ void CellTypeState::print(outputStream *os) {
// Basicblock handling methods
//
void GenerateOopMap ::initialize_bb() {
void GenerateOopMap::initialize_bb() {
_gc_points = 0;
_bb_count = 0;
_bb_hdr_bits.clear();
_bb_hdr_bits.resize(method()->code_size());
_bb_hdr_bits.reinitialize(method()->code_size());
}
void GenerateOopMap::bb_mark_fct(GenerateOopMap *c, int bci, int *data) {
@ -1041,13 +1040,7 @@ void GenerateOopMap::update_basic_blocks(int bci, int delta,
assert(new_method_size >= method()->code_size() + delta,
"new method size is too small");
BitMap::bm_word_t* new_bb_hdr_bits =
NEW_RESOURCE_ARRAY(BitMap::bm_word_t,
BitMap::word_align_up(new_method_size));
_bb_hdr_bits.set_map(new_bb_hdr_bits);
_bb_hdr_bits.set_size(new_method_size);
_bb_hdr_bits.clear();
_bb_hdr_bits.reinitialize(new_method_size);
for(int k = 0; k < _bb_count; k++) {
if (_basic_blocks[k]._bci > bci) {