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src/hotspot/os_cpu/linux_aarch64/atomic_linux_aarch64.hpp

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rev 56859 : 8233787: Break cycle in vm_version* includes
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   9  *
  10  * This code is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * version 2 for more details (a copy is included in the LICENSE file that
  14  * accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License version
  17  * 2 along with this work; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21  * or visit www.oracle.com if you need additional information or have any
  22  * questions.
  23  *
  24  */
  25 
  26 #ifndef OS_CPU_LINUX_AARCH64_ATOMIC_LINUX_AARCH64_HPP
  27 #define OS_CPU_LINUX_AARCH64_ATOMIC_LINUX_AARCH64_HPP
  28 
  29 #include "vm_version_aarch64.hpp"
  30 
  31 // Implementation of class atomic
  32 
  33 #define FULL_MEM_BARRIER  __sync_synchronize()
  34 #define READ_MEM_BARRIER  __atomic_thread_fence(__ATOMIC_ACQUIRE);
  35 #define WRITE_MEM_BARRIER __atomic_thread_fence(__ATOMIC_RELEASE);
  36 
  37 template<size_t byte_size>
  38 struct Atomic::PlatformAdd
  39   : Atomic::AddAndFetch<Atomic::PlatformAdd<byte_size> >
  40 {
  41   template<typename I, typename D>
  42   D add_and_fetch(I add_value, D volatile* dest, atomic_memory_order order) const {
  43     D res = __atomic_add_fetch(dest, add_value, __ATOMIC_RELEASE);
  44     FULL_MEM_BARRIER;
  45     return res;
  46   }
  47 };
  48 
  49 template<size_t byte_size>




   9  *
  10  * This code is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * version 2 for more details (a copy is included in the LICENSE file that
  14  * accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License version
  17  * 2 along with this work; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21  * or visit www.oracle.com if you need additional information or have any
  22  * questions.
  23  *
  24  */
  25 
  26 #ifndef OS_CPU_LINUX_AARCH64_ATOMIC_LINUX_AARCH64_HPP
  27 #define OS_CPU_LINUX_AARCH64_ATOMIC_LINUX_AARCH64_HPP
  28 
  29 #include "runtime/vm_version.hpp"
  30 
  31 // Implementation of class atomic
  32 
  33 #define FULL_MEM_BARRIER  __sync_synchronize()
  34 #define READ_MEM_BARRIER  __atomic_thread_fence(__ATOMIC_ACQUIRE);
  35 #define WRITE_MEM_BARRIER __atomic_thread_fence(__ATOMIC_RELEASE);
  36 
  37 template<size_t byte_size>
  38 struct Atomic::PlatformAdd
  39   : Atomic::AddAndFetch<Atomic::PlatformAdd<byte_size> >
  40 {
  41   template<typename I, typename D>
  42   D add_and_fetch(I add_value, D volatile* dest, atomic_memory_order order) const {
  43     D res = __atomic_add_fetch(dest, add_value, __ATOMIC_RELEASE);
  44     FULL_MEM_BARRIER;
  45     return res;
  46   }
  47 };
  48 
  49 template<size_t byte_size>


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