src/hotspot/cpu/x86/gc/shenandoah/shenandoahBarrierSetAssembler_x86.hpp

@@ -1,7 +1,8 @@
  /*
   * Copyright (c) 2018, 2021, Red Hat, Inc. All rights reserved.
+  * Copyright Amazon.com Inc. 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.

@@ -54,10 +55,16 @@
                                      Register thread,
                                      Register tmp,
                                      bool tosca_live,
                                      bool expand_call);
  
+   void store_check(MacroAssembler* masm, Register obj);
+ 
+   void gen_write_ref_array_post_barrier(MacroAssembler* masm, DecoratorSet decorators,
+                                         Register addr, Register count,
+                                         Register tmp);
+ 
  public:
  #ifdef COMPILER1
    void gen_pre_barrier_stub(LIR_Assembler* ce, ShenandoahPreBarrierStub* stub);
    void gen_load_reference_barrier_stub(LIR_Assembler* ce, ShenandoahLoadReferenceBarrierStub* stub);
    void generate_c1_pre_barrier_runtime_stub(StubAssembler* sasm);

@@ -69,10 +76,12 @@
    void cmpxchg_oop(MacroAssembler* masm,
                     Register res, Address addr, Register oldval, Register newval,
                     bool exchange, Register tmp1, Register tmp2);
    virtual void arraycopy_prologue(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
                                    Register src, Register dst, Register count);
+   virtual void arraycopy_epilogue(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
+                                   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, Register tmp3);
    virtual void try_resolve_jobject_in_native(MacroAssembler* masm, Register jni_env,