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

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@@ -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.

@@ -45,11 +45,14 @@
                                    Register src, Register dst, Register count) {}
  
    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);
+                         Address dst, Register val, Register tmp1, Register tmp2, Register tmp3 = noreg);
+ 
+   virtual void value_copy(MacroAssembler* masm, DecoratorSet decorators,
+                           Register src, Register dst, Register value_klass);
  
    // Support for jniFastGetField to try resolving a jobject/jweak in native
    virtual void try_resolve_jobject_in_native(MacroAssembler* masm, Register jni_env,
                                               Register obj, Register tmp, Label& slowpath);
  
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