src/hotspot/share/gc/shared/c2/barrierSetC2.hpp

@@ -318,10 +318,12 @@
      Expansion
    };
  
    virtual bool array_copy_requires_gc_barriers(bool tightly_coupled_alloc, BasicType type, bool is_clone, bool is_clone_instance, ArrayCopyPhase phase) const { return false; }
    virtual void clone_at_expansion(PhaseMacroExpand* phase, ArrayCopyNode* ac) const;
+   bool should_copy_int_prefix(PhaseMacroExpand* phase, ArrayCopyNode* ac) const;
+   MergeMemNode* arraycopy_copy_int_prefix(PhaseMacroExpand* phase, Node* ctrl, Node* mem, Node* src, Node* dst) const;
  
    // Support for GC barriers emitted during parsing
    virtual bool has_load_barrier_nodes() const { return false; }
    virtual bool is_gc_pre_barrier_node(Node* node) const { return false; }
    virtual bool is_gc_barrier_node(Node* node) const { return false; }