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src/hotspot/share/oops/accessBackend.inline.hpp
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rev 50331 : 8198285: More consistent Access API for arraycopy
*** 116,127 ****
return oop_atomic_xchg(new_value, field_addr(base, offset));
}
template <DecoratorSet decorators>
template <typename T>
! inline bool RawAccessBarrier<decorators>::oop_arraycopy(arrayOop src_obj, arrayOop dst_obj, T* src, T* dst, size_t length) {
! return arraycopy(src_obj, dst_obj, src, dst, length);
}
template <DecoratorSet decorators>
template <DecoratorSet ds, typename T>
inline typename EnableIf<
--- 116,127 ----
return oop_atomic_xchg(new_value, field_addr(base, offset));
}
template <DecoratorSet decorators>
template <typename T>
! inline bool RawAccessBarrier<decorators>::oop_arraycopy(arrayOop src_obj, size_t src_offset_in_bytes, const T* src_raw, arrayOop dst_obj, size_t dst_offset_in_bytes, T* dst_raw, size_t length) {
! return arraycopy(src_obj, src_offset_in_bytes, src_raw, dst_obj, dst_offset_in_bytes, dst_raw, length);
}
template <DecoratorSet decorators>
template <DecoratorSet ds, typename T>
inline typename EnableIf<
*** 245,303 ****
class RawAccessBarrierArrayCopy: public AllStatic {
public:
template <DecoratorSet decorators, typename T>
static inline typename EnableIf<
HasDecorator<decorators, INTERNAL_VALUE_IS_OOP>::value>::type
! arraycopy(arrayOop src_obj, arrayOop dst_obj, T* src, T* dst, size_t length) {
// We do not check for ARRAYCOPY_ATOMIC for oops, because they are unconditionally always atomic.
if (HasDecorator<decorators, ARRAYCOPY_ARRAYOF>::value) {
! AccessInternal::arraycopy_arrayof_conjoint_oops(src, dst, length);
} else {
typedef typename HeapOopType<decorators>::type OopType;
! AccessInternal::arraycopy_conjoint_oops(reinterpret_cast<OopType*>(src),
! reinterpret_cast<OopType*>(dst), length);
}
}
template <DecoratorSet decorators, typename T>
static inline typename EnableIf<
!HasDecorator<decorators, INTERNAL_VALUE_IS_OOP>::value>::type
! arraycopy(arrayOop src_obj, arrayOop dst_obj, T* src, T* dst, size_t length) {
if (HasDecorator<decorators, ARRAYCOPY_ARRAYOF>::value) {
! AccessInternal::arraycopy_arrayof_conjoint(src, dst, length);
} else if (HasDecorator<decorators, ARRAYCOPY_DISJOINT>::value && sizeof(T) == HeapWordSize) {
// There is only a disjoint optimization for word granularity copying
if (HasDecorator<decorators, ARRAYCOPY_ATOMIC>::value) {
! AccessInternal::arraycopy_disjoint_words_atomic(src, dst, length);
} else {
! AccessInternal::arraycopy_disjoint_words(src, dst, length);
}
} else {
if (HasDecorator<decorators, ARRAYCOPY_ATOMIC>::value) {
! AccessInternal::arraycopy_conjoint_atomic(src, dst, length);
} else {
! AccessInternal::arraycopy_conjoint(src, dst, length);
}
}
}
template <DecoratorSet decorators>
static inline typename EnableIf<
!HasDecorator<decorators, INTERNAL_VALUE_IS_OOP>::value>::type
! arraycopy(arrayOop src_obj, arrayOop dst_obj, void* src, void* dst, size_t length) {
if (HasDecorator<decorators, ARRAYCOPY_ATOMIC>::value) {
! AccessInternal::arraycopy_conjoint_atomic(src, dst, length);
} else {
! AccessInternal::arraycopy_conjoint(src, dst, length);
}
}
};
template <DecoratorSet decorators>
template <typename T>
! inline bool RawAccessBarrier<decorators>::arraycopy(arrayOop src_obj, arrayOop dst_obj, T* src, T* dst, size_t length) {
! RawAccessBarrierArrayCopy::arraycopy<decorators>(src_obj, dst_obj, src, dst, length);
return true;
}
template <DecoratorSet decorators>
inline void RawAccessBarrier<decorators>::clone(oop src, oop dst, size_t size) {
--- 245,315 ----
class RawAccessBarrierArrayCopy: public AllStatic {
public:
template <DecoratorSet decorators, typename T>
static inline typename EnableIf<
HasDecorator<decorators, INTERNAL_VALUE_IS_OOP>::value>::type
! arraycopy(arrayOop src_obj, size_t src_offset_in_bytes, const T* src_raw, arrayOop dst_obj, size_t dst_offset_in_bytes, T* dst_raw, size_t length) {
!
! src_raw = arrayOopDesc::obj_offset_to_raw(src_obj, src_offset_in_bytes, src_raw);
! dst_raw = arrayOopDesc::obj_offset_to_raw(dst_obj, dst_offset_in_bytes, dst_raw);
!
// We do not check for ARRAYCOPY_ATOMIC for oops, because they are unconditionally always atomic.
if (HasDecorator<decorators, ARRAYCOPY_ARRAYOF>::value) {
! AccessInternal::arraycopy_arrayof_conjoint_oops(const_cast<T*>(src_raw), dst_raw, length);
} else {
typedef typename HeapOopType<decorators>::type OopType;
! AccessInternal::arraycopy_conjoint_oops(reinterpret_cast<OopType*>(const_cast<T*>(src_raw)),
! reinterpret_cast<OopType*>(dst_raw), length);
}
}
template <DecoratorSet decorators, typename T>
static inline typename EnableIf<
!HasDecorator<decorators, INTERNAL_VALUE_IS_OOP>::value>::type
! arraycopy(arrayOop src_obj, size_t src_offset_in_bytes, const T* src_raw, arrayOop dst_obj, size_t dst_offset_in_bytes, T* dst_raw, size_t length) {
!
! src_raw = arrayOopDesc::obj_offset_to_raw(src_obj, src_offset_in_bytes, src_raw);
! dst_raw = arrayOopDesc::obj_offset_to_raw(dst_obj, dst_offset_in_bytes, dst_raw);
!
if (HasDecorator<decorators, ARRAYCOPY_ARRAYOF>::value) {
! AccessInternal::arraycopy_arrayof_conjoint(const_cast<T*>(src_raw), dst_raw, length);
} else if (HasDecorator<decorators, ARRAYCOPY_DISJOINT>::value && sizeof(T) == HeapWordSize) {
// There is only a disjoint optimization for word granularity copying
if (HasDecorator<decorators, ARRAYCOPY_ATOMIC>::value) {
! AccessInternal::arraycopy_disjoint_words_atomic(const_cast<T*>(src_raw), dst_raw, length);
} else {
! AccessInternal::arraycopy_disjoint_words(const_cast<T*>(src_raw), dst_raw, length);
}
} else {
if (HasDecorator<decorators, ARRAYCOPY_ATOMIC>::value) {
! AccessInternal::arraycopy_conjoint_atomic(const_cast<T*>(src_raw), dst_raw, length);
} else {
! AccessInternal::arraycopy_conjoint(const_cast<T*>(src_raw), dst_raw, length);
}
}
}
template <DecoratorSet decorators>
static inline typename EnableIf<
!HasDecorator<decorators, INTERNAL_VALUE_IS_OOP>::value>::type
! arraycopy(arrayOop src_obj, size_t src_offset_in_bytes, const void* src_raw, arrayOop dst_obj, size_t dst_offset_in_bytes, void* dst_raw, size_t length) {
!
! src_raw = arrayOopDesc::obj_offset_to_raw(src_obj, src_offset_in_bytes, src_raw);
! dst_raw = arrayOopDesc::obj_offset_to_raw(dst_obj, dst_offset_in_bytes, dst_raw);
!
if (HasDecorator<decorators, ARRAYCOPY_ATOMIC>::value) {
! AccessInternal::arraycopy_conjoint_atomic(const_cast<void*>(src_raw), dst_raw, length);
} else {
! AccessInternal::arraycopy_conjoint(const_cast<void*>(src_raw), dst_raw, length);
}
}
};
template <DecoratorSet decorators>
template <typename T>
! inline bool RawAccessBarrier<decorators>::arraycopy(arrayOop src_obj, size_t src_offset_in_bytes, const T* src_raw, arrayOop dst_obj, size_t dst_offset_in_bytes, T* dst_raw, size_t length) {
! RawAccessBarrierArrayCopy::arraycopy<decorators>(src_obj, src_offset_in_bytes, src_raw, dst_obj, dst_offset_in_bytes, dst_raw, length);
return true;
}
template <DecoratorSet decorators>
inline void RawAccessBarrier<decorators>::clone(oop src, oop dst, size_t size) {
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