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8198285: More consistent Access API for arraycopy

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Reviewed-by: eosterlund, shade
This commit is contained in:
Roman Kennke 2018-06-04 23:01:48 +02:00
parent 9017043b57
commit 482e40cc8c
20 changed files with 357 additions and 149 deletions
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26
src/hotspot/share/oops/access.inline.hpp
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@ -123,17 +123,23 @@ namespace AccessInternal {
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);
static bool access_barrier(arrayOop src_obj, size_t src_offset_in_bytes, T* src_raw,
arrayOop dst_obj, size_t dst_offset_in_bytes, T* dst_raw,
size_t length) {
GCBarrierType::arraycopy_in_heap(src_obj, src_offset_in_bytes, src_raw,
dst_obj, dst_offset_in_bytes, dst_raw,
length);
return true;
}
template <typename T>
static bool oop_access_barrier(arrayOop src_obj, arrayOop dst_obj, T* src, T* dst, size_t length) {
static bool oop_access_barrier(arrayOop src_obj, size_t src_offset_in_bytes, T* src_raw,
arrayOop dst_obj, size_t dst_offset_in_bytes, T* dst_raw,
size_t length) {
typedef typename HeapOopType<decorators>::type OopType;
return GCBarrierType::oop_arraycopy_in_heap(src_obj, dst_obj,
reinterpret_cast<OopType*>(src),
reinterpret_cast<OopType*>(dst), length);
return GCBarrierType::oop_arraycopy_in_heap(src_obj, src_offset_in_bytes, reinterpret_cast<OopType*>(src_raw),
dst_obj, dst_offset_in_bytes, reinterpret_cast<OopType*>(dst_raw),
length);
}
};
@ -337,10 +343,14 @@ namespace AccessInternal {
}
template <DecoratorSet decorators, typename T>
bool RuntimeDispatch<decorators, T, BARRIER_ARRAYCOPY>::arraycopy_init(arrayOop src_obj, arrayOop dst_obj, T *src, T* dst, size_t length) {
bool RuntimeDispatch<decorators, T, BARRIER_ARRAYCOPY>::arraycopy_init(arrayOop src_obj, size_t src_offset_in_bytes, T* src_raw,
arrayOop dst_obj, size_t dst_offset_in_bytes, T* dst_raw,
size_t length) {
func_t function = BarrierResolver<decorators, func_t, BARRIER_ARRAYCOPY>::resolve_barrier();
_arraycopy_func = function;
return function(src_obj, dst_obj, src, dst, length);
return function(src_obj, src_offset_in_bytes, src_raw,
dst_obj, dst_offset_in_bytes, dst_raw,
length);
}
template <DecoratorSet decorators, typename T>