src/hotspot/cpu/x86/gc/shared/barrierSetAssembler_x86.hpp

@@ -1,7 +1,7 @@
  /*
-  * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+  * Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.

@@ -47,10 +47,13 @@
    virtual void load_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
                         Register dst, Address src, Register tmp1, Register tmp_thread);
    virtual void store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
                          Address dst, Register val, Register tmp1, Register tmp2, Register tmp3);
  
+   virtual void value_copy(MacroAssembler* masm, DecoratorSet decorators,
+                           Register src, Register dst, Register value_klass);
+ 
    // The copy_[load/store]_at functions are used by arraycopy stubs. Be careful to only use
    // r10 (aka rscratch1) in a context where restore_arg_regs_using_thread has been used instead
    // of the looser setup_arg_regs. Currently this is done when using type T_OBJECT.
    virtual void copy_load_at(MacroAssembler* masm,
                              DecoratorSet decorators,