zBitMap.hpp

/*
 * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
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#ifndef SHARE_GC_Z_ZBITMAP_HPP
#define SHARE_GC_Z_ZBITMAP_HPP

#include "utilities/bitMap.hpp"

class ZBitMap : public CHeapBitMap {
private:
  static bm_word_t bit_mask_pair(idx_t bit);

  bool par_set_bit_pair_finalizable(idx_t bit, bool& inc_live);
  bool par_set_bit_pair_strong(idx_t bit, bool& inc_live);

public:
  ZBitMap(idx_t size_in_bits);

  bool par_set_bit_pair(idx_t bit, bool finalizable, bool& inc_live);
};

#endif // SHARE_GC_Z_ZBITMAP_HPP