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8145667: Move FromCardCache into separate files

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Reviewed-by: mgerdin, stefank
This commit is contained in:
Thomas Schatzl 2015-12-21 12:02:08 +01:00
parent c415f56651
commit 8188ad75a7
4 changed files with 155 additions and 94 deletions
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46
hotspot/src/share/vm/gc/g1/heapRegionRemSet.cpp
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@ -351,52 +351,6 @@ void OtherRegionsTable::unlink_from_all(PerRegionTable* prt) {
"just checking");
}
int** FromCardCache::_cache = NULL;
uint FromCardCache::_max_regions = 0;
size_t FromCardCache::_static_mem_size = 0;
void FromCardCache::initialize(uint n_par_rs, uint max_num_regions) {
guarantee(_cache == NULL, "Should not call this multiple times");
_max_regions = max_num_regions;
_cache = Padded2DArray<int, mtGC>::create_unfreeable(n_par_rs,
_max_regions,
&_static_mem_size);
invalidate(0, _max_regions);
}
void FromCardCache::invalidate(uint start_idx, size_t new_num_regions) {
guarantee((size_t)start_idx + new_num_regions <= max_uintx,
"Trying to invalidate beyond maximum region, from %u size " SIZE_FORMAT,
start_idx, new_num_regions);
for (uint i = 0; i < HeapRegionRemSet::num_par_rem_sets(); i++) {
uint end_idx = (start_idx + (uint)new_num_regions);
assert(end_idx <= _max_regions, "Must be within max.");
for (uint j = start_idx; j < end_idx; j++) {
set(i, j, InvalidCard);
}
}
}
#ifndef PRODUCT
void FromCardCache::print(outputStream* out) {
for (uint i = 0; i < HeapRegionRemSet::num_par_rem_sets(); i++) {
for (uint j = 0; j < _max_regions; j++) {
out->print_cr("_from_card_cache[%u][%u] = %d.",
i, j, at(i, j));
}
}
}
#endif
void FromCardCache::clear(uint region_idx) {
uint num_par_remsets = HeapRegionRemSet::num_par_rem_sets();
for (uint i = 0; i < num_par_remsets; i++) {
set(i, region_idx, InvalidCard);
}
}
void OtherRegionsTable::add_reference(OopOrNarrowOopStar from, uint tid) {
uint cur_hrm_ind = _hr->hrm_index();