src/hotspot/share/oops/access.inline.hpp

rev 49217 : 8198445: Access API for primitive/native arraycopy
Reviewed-by: pliden, eosterlund, dholmes

*** 137,147 ****
  
    template <class GCBarrierType, DecoratorSet decorators>
    struct PostRuntimeDispatch<GCBarrierType, BARRIER_ARRAYCOPY, decorators>: public AllStatic {
      template <typename T>
      static bool access_barrier(arrayOop src_obj, arrayOop dst_obj, T* src, T* dst, size_t length) {
!       return GCBarrierType::arraycopy_in_heap(src_obj, dst_obj, src, dst, length);
      }
  
      template <typename T>
      static bool oop_access_barrier(arrayOop src_obj, arrayOop dst_obj, T* src, T* dst, size_t length) {
        typedef typename HeapOopType<decorators>::type OopType;
--- 137,148 ----
  
    template <class GCBarrierType, DecoratorSet decorators>
    struct PostRuntimeDispatch<GCBarrierType, BARRIER_ARRAYCOPY, decorators>: public AllStatic {
      template <typename T>
      static bool access_barrier(arrayOop src_obj, arrayOop dst_obj, T* src, T* dst, size_t length) {
!       GCBarrierType::arraycopy_in_heap(src_obj, dst_obj, src, dst, length);
!       return true;
      }
  
      template <typename T>
      static bool oop_access_barrier(arrayOop src_obj, arrayOop dst_obj, T* src, T* dst, size_t length) {
        typedef typename HeapOopType<decorators>::type OopType;
*** 761,771 ****
      template <DecoratorSet decorators, typename T>
      inline static typename EnableIf<
        HasDecorator<decorators, AS_RAW>::value, bool>::type
      arraycopy(arrayOop src_obj, arrayOop dst_obj, T *src, T* dst, size_t length) {
        typedef RawAccessBarrier<decorators & RAW_DECORATOR_MASK> Raw;
!       return Raw::arraycopy(src, dst, length);
      }
  
      template <DecoratorSet decorators, typename T>
      inline static typename EnableIf<
        !HasDecorator<decorators, AS_RAW>::value, bool>::type
--- 762,772 ----
      template <DecoratorSet decorators, typename T>
      inline static typename EnableIf<
        HasDecorator<decorators, AS_RAW>::value, bool>::type
      arraycopy(arrayOop src_obj, arrayOop dst_obj, T *src, T* dst, size_t length) {
        typedef RawAccessBarrier<decorators & RAW_DECORATOR_MASK> Raw;
!       return Raw::arraycopy(src_obj, dst_obj, src, dst, length);
      }
  
      template <DecoratorSet decorators, typename T>
      inline static typename EnableIf<
        !HasDecorator<decorators, AS_RAW>::value, bool>::type
*** 1075,1085 ****
      return PreRuntimeDispatch::atomic_xchg_at<expanded_decorators>(new_decayed_value, base, offset);
    }
  
    template <DecoratorSet decorators, typename T>
    inline bool arraycopy(arrayOop src_obj, arrayOop dst_obj, T *src, T *dst, size_t length) {
!     verify_types<decorators, T>();
      typedef typename Decay<T>::type DecayedT;
      const DecoratorSet expanded_decorators = DecoratorFixup<decorators | IN_HEAP_ARRAY | IN_HEAP |
                                               (HasDecorator<decorators, INTERNAL_VALUE_IS_OOP>::value ?
                                                INTERNAL_CONVERT_COMPRESSED_OOP : INTERNAL_EMPTY)>::value;
      return PreRuntimeDispatch::arraycopy<expanded_decorators>(src_obj, dst_obj,
--- 1076,1088 ----
      return PreRuntimeDispatch::atomic_xchg_at<expanded_decorators>(new_decayed_value, base, offset);
    }
  
    template <DecoratorSet decorators, typename T>
    inline bool arraycopy(arrayOop src_obj, arrayOop dst_obj, T *src, T *dst, size_t length) {
!     STATIC_ASSERT((HasDecorator<decorators, INTERNAL_VALUE_IS_OOP>::value ||
!                    (IsSame<T, void>::value || IsIntegral<T>::value) ||
!                     IsFloatingPoint<T>::value)); // arraycopy allows type erased void elements
      typedef typename Decay<T>::type DecayedT;
      const DecoratorSet expanded_decorators = DecoratorFixup<decorators | IN_HEAP_ARRAY | IN_HEAP |
                                               (HasDecorator<decorators, INTERNAL_VALUE_IS_OOP>::value ?
                                                INTERNAL_CONVERT_COMPRESSED_OOP : INTERNAL_EMPTY)>::value;
      return PreRuntimeDispatch::arraycopy<expanded_decorators>(src_obj, dst_obj,