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/*
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* Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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#ifndef SHARE_VM_GC_G1_G1REGIONMARKSTATSCACHE_INLINE_HPP
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#define SHARE_VM_GC_G1_G1REGIONMARKSTATSCACHE_INLINE_HPP
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#include "gc/g1/g1RegionMarkStatsCache.hpp"
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#include "runtime/atomic.hpp"
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inline G1RegionMarkStatsCache::G1RegionMarkStatsCacheEntry* G1RegionMarkStatsCache::find_for_add(uint region_idx) {
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uint const cache_idx = hash(region_idx);
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G1RegionMarkStatsCacheEntry* cur = &_cache[cache_idx];
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if (cur->_region_idx != region_idx) {
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evict(cache_idx);
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cur->_region_idx = region_idx;
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_cache_misses++;
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} else {
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_cache_hits++;
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}
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return cur;
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}
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inline void G1RegionMarkStatsCache::evict(uint idx) {
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G1RegionMarkStatsCacheEntry* cur = &_cache[idx];
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if (cur->_stats._live_words != 0) {
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Atomic::add(cur->_stats._live_words, &_target[cur->_region_idx]._live_words);
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}
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cur->clear();
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}
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#endif // SHARE_VM_GC_G1_G1REGIONMARKSTATSCACHE_INLINE_HPP
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