src/hotspot/share/runtime/orderAccess.inline.hpp
author rkennke
Thu, 15 Feb 2018 23:45:15 +0100
changeset 49036 bc92debe57e4
parent 47634 6a0c42c40cd1
permissions -rw-r--r--
8197999: Accessors in typeArrayOopDesc should use new Access API Reviewed-by: eosterlund, pliden

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#ifndef SHARE_VM_RUNTIME_ORDERACCESS_INLINE_HPP
#define SHARE_VM_RUNTIME_ORDERACCESS_INLINE_HPP

#include "runtime/orderAccess.hpp"
#include "utilities/macros.hpp"

#include OS_CPU_HEADER_INLINE(orderAccess)

template<> inline void ScopedFenceGeneral<X_ACQUIRE>::postfix()       { OrderAccess::acquire(); }
template<> inline void ScopedFenceGeneral<RELEASE_X>::prefix()        { OrderAccess::release(); }
template<> inline void ScopedFenceGeneral<RELEASE_X_FENCE>::prefix()  { OrderAccess::release(); }
template<> inline void ScopedFenceGeneral<RELEASE_X_FENCE>::postfix() { OrderAccess::fence();   }


template <typename FieldType, ScopedFenceType FenceType>
inline void OrderAccess::ordered_store(volatile FieldType* p, FieldType v) {
  ScopedFence<FenceType> f((void*)p);
  Atomic::store(v, p);
}

template <typename FieldType, ScopedFenceType FenceType>
inline FieldType OrderAccess::ordered_load(const volatile FieldType* p) {
  ScopedFence<FenceType> f((void*)p);
  return Atomic::load(p);
}

template <typename T>
inline T OrderAccess::load_acquire(const volatile T* p) {
  return LoadImpl<T, PlatformOrderedLoad<sizeof(T), X_ACQUIRE> >()(p);
}

template <typename T, typename D>
inline void OrderAccess::release_store(volatile D* p, T v) {
  StoreImpl<T, D, PlatformOrderedStore<sizeof(D), RELEASE_X> >()(v, p);
}

template <typename T, typename D>
inline void OrderAccess::release_store_fence(volatile D* p, T v) {
  StoreImpl<T, D, PlatformOrderedStore<sizeof(D), RELEASE_X_FENCE> >()(v, p);
}
#endif // SHARE_VM_RUNTIME_ORDERACCESS_INLINE_HPP