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src/hotspot/share/utilities/bitMap.inline.hpp

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   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SHARE_UTILITIES_BITMAP_INLINE_HPP
  26 #define SHARE_UTILITIES_BITMAP_INLINE_HPP
  27 
  28 #include "runtime/atomic.hpp"
  29 #include "runtime/orderAccess.hpp"
  30 #include "utilities/bitMap.hpp"
  31 #include "utilities/count_trailing_zeros.hpp"
  32 
  33 inline void BitMap::set_bit(idx_t bit) {
  34   verify_index(bit);
  35   *word_addr(bit) |= bit_mask(bit);
  36 }
  37 
  38 inline void BitMap::clear_bit(idx_t bit) {
  39   verify_index(bit);
  40   *word_addr(bit) &= ~bit_mask(bit);
  41 }
  42 
  43 inline const BitMap::bm_word_t BitMap::load_word_ordered(const volatile bm_word_t* const addr, atomic_memory_order memory_order) {
  44   if (memory_order == memory_order_relaxed || memory_order == memory_order_release) {
  45     return Atomic::load(addr);
  46   } else {
  47     assert(memory_order == memory_order_acq_rel ||
  48            memory_order == memory_order_acquire ||
  49            memory_order == memory_order_conservative,




   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SHARE_UTILITIES_BITMAP_INLINE_HPP
  26 #define SHARE_UTILITIES_BITMAP_INLINE_HPP
  27 
  28 #include "runtime/atomic.hpp"

  29 #include "utilities/bitMap.hpp"
  30 #include "utilities/count_trailing_zeros.hpp"
  31 
  32 inline void BitMap::set_bit(idx_t bit) {
  33   verify_index(bit);
  34   *word_addr(bit) |= bit_mask(bit);
  35 }
  36 
  37 inline void BitMap::clear_bit(idx_t bit) {
  38   verify_index(bit);
  39   *word_addr(bit) &= ~bit_mask(bit);
  40 }
  41 
  42 inline const BitMap::bm_word_t BitMap::load_word_ordered(const volatile bm_word_t* const addr, atomic_memory_order memory_order) {
  43   if (memory_order == memory_order_relaxed || memory_order == memory_order_release) {
  44     return Atomic::load(addr);
  45   } else {
  46     assert(memory_order == memory_order_acq_rel ||
  47            memory_order == memory_order_acquire ||
  48            memory_order == memory_order_conservative,


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