src/hotspot/os_cpu/bsd_zero/atomic_bsd_zero.hpp

rev 47321 : [mq]: Atomic_loadstore

*** 157,180 ****
          return prev;
      }
  }
  #endif // ARM
  
- inline void Atomic::store(jint store_value, volatile jint* dest) {
- #if !defined(ARM) && !defined(M68K)
-   __sync_synchronize();
- #endif
-   *dest = store_value;
- }
- 
- inline void Atomic::store_ptr(intptr_t store_value, intptr_t* dest) {
- #if !defined(ARM) && !defined(M68K)
-   __sync_synchronize();
- #endif
-   *dest = store_value;
- }
- 
  template<size_t byte_size>
  struct Atomic::PlatformAdd
    : Atomic::AddAndFetch<Atomic::PlatformAdd<byte_size> >
  {
    template<typename I, typename D>
--- 157,166 ----
*** 273,292 ****
                                                  cmpxchg_memory_order order) const {
    STATIC_ASSERT(8 == sizeof(T));
    return __sync_val_compare_and_swap(dest, compare_value, exchange_value);
  }
  
! inline jlong Atomic::load(const volatile jlong* src) {
    volatile jlong dest;
!   os::atomic_copy64(src, &dest);
!   return dest;
! }
! 
! inline void Atomic::store(jlong store_value, jlong* dest) {
!   os::atomic_copy64((volatile jlong*)&store_value, (volatile jlong*)dest);
  }
  
! inline void Atomic::store(jlong store_value, volatile jlong* dest) {
!   os::atomic_copy64((volatile jlong*)&store_value, dest);
  }
  
  #endif // OS_CPU_BSD_ZERO_VM_ATOMIC_BSD_ZERO_HPP
--- 259,281 ----
                                                  cmpxchg_memory_order order) const {
    STATIC_ASSERT(8 == sizeof(T));
    return __sync_val_compare_and_swap(dest, compare_value, exchange_value);
  }
  
! template<>
! template<typename T>
! inline T Atomic::PlatformLoad<8>::operator()(T const volatile* src) const {
!   STATIC_ASSERT(8 == sizeof(T));
    volatile jlong dest;
!   os::atomic_copy64(reinterpret_cast<const volatile jlong*>(src), reinterpret_cast<volatile jlong*>(&dest));
!   return PrimitiveConversions::cast<T>(dest);
  }
  
! template<>
! template<typename T>
! inline void Atomic::PlatformStore<8>::operator()(T store_value,
!                                                  T volatile* dest) const {
!   STATIC_ASSERT(8 == sizeof(T));
!   os::atomic_copy64(reinterpret_cast<const volatile jlong*>(&store_value), reinterpret_cast<volatile jlong*>(dest));
  }
  
  #endif // OS_CPU_BSD_ZERO_VM_ATOMIC_BSD_ZERO_HPP