--- old/src/hotspot/share/gc/shenandoah/shenandoahBarrierSet.hpp	2019-09-17 11:35:41.666897405 +0200
+++ new/src/hotspot/share/gc/shenandoah/shenandoahBarrierSet.hpp	2019-09-17 11:35:41.561897409 +0200
@@ -63,14 +63,14 @@
 
   bool is_aligned(HeapWord* hw);
 
-  void write_ref_array(HeapWord* start, size_t count);
-
   template <class T> void
-  write_ref_array_pre_work(T* dst, size_t count);
-
-  void write_ref_array_pre(oop* dst, size_t count, bool dest_uninitialized);
+  write_ref_array_pre_work(T* src, T* dst, size_t count, bool dest_uninitialized);
 
-  void write_ref_array_pre(narrowOop* dst, size_t count, bool dest_uninitialized);
+  inline void arraycopy_pre(oop* src, oop* dst, size_t count);
+  inline void arraycopy_pre(narrowOop* src, narrowOop* dst, size_t count);
+  inline void arraycopy_update(oop* src, size_t count);
+  inline void arraycopy_update(narrowOop* src, size_t count);
+  inline void clone_barrier(oop src);
 
   // We export this to make it available in cases where the static
   // type of the barrier set is known.  Note that it is non-virtual.
@@ -82,7 +82,6 @@
   void write_ref_field_pre_work(void* field, oop new_val);
 
   void write_ref_field_work(void* v, oop o, bool release = false);
-  void write_region(MemRegion mr);
 
   oop oop_load_from_native_barrier(oop obj);
 
@@ -104,8 +103,12 @@
   void enqueue(oop obj);
 
 private:
-  template <class T, bool STOREVAL_WRITE_BARRIER>
-  void write_ref_array_loop(HeapWord* start, size_t count);
+  template <class T>
+  inline void arraycopy_pre_work(T* src, T* dst, size_t count);
+  template <class T, bool HAS_FWD, bool EVAC, bool ENQUEUE>
+  inline void arraycopy_work(T* src, size_t count);
+  template <class T>
+  inline void arraycopy_update_impl(T* src, size_t count);
 
   oop load_reference_barrier_impl(oop obj);
 
@@ -118,24 +121,6 @@
     }
   }
 
-  template <typename T>
-  bool arraycopy_loop_1(T* src, T* dst, size_t length, Klass* bound,
-                        bool checkcast, bool satb, bool disjoint, ShenandoahBarrierSet::ArrayCopyStoreValMode storeval_mode);
-
-  template <typename T, bool CHECKCAST>
-  bool arraycopy_loop_2(T* src, T* dst, size_t length, Klass* bound,
-                        bool satb, bool disjoint, ShenandoahBarrierSet::ArrayCopyStoreValMode storeval_mode);
-
-  template <typename T, bool CHECKCAST, bool SATB>
-  bool arraycopy_loop_3(T* src, T* dst, size_t length, Klass* bound,
-                        bool disjoint, ShenandoahBarrierSet::ArrayCopyStoreValMode storeval_mode);
-
-  template <typename T, bool CHECKCAST, bool SATB, ShenandoahBarrierSet::ArrayCopyStoreValMode STOREVAL_MODE>
-  bool arraycopy_loop(T* src, T* dst, size_t length, Klass* bound, bool disjoint);
-
-  template <typename T, bool CHECKCAST, bool SATB, ShenandoahBarrierSet::ArrayCopyStoreValMode STOREVAL_MODE>
-  bool arraycopy_element(T* cur_src, T* cur_dst, Klass* bound, Thread* const thread, ShenandoahMarkingContext* const ctx);
-
 public:
   // Callbacks for runtime accesses.
   template <DecoratorSet decorators, typename BarrierSetT = ShenandoahBarrierSet>