172     if (_tmp2->is_valid())                  state->do_temp(_tmp2);
173     if (_result->is_valid())                state->do_output(_result);
174   }
175 
176   virtual void emit_code(LIR_Assembler* masm);
177 
178   virtual void print_instr(outputStream* out) const {
179     addr()->print(out);      out->print(" ");
180     cmp_value()->print(out); out->print(" ");
181     new_value()->print(out); out->print(" ");
182     tmp1()->print(out);      out->print(" ");
183     tmp2()->print(out);      out->print(" ");
184   }
185 #ifndef PRODUCT
186   virtual const char* name() const {
187     return "shenandoah_cas_obj";
188   }
189 #endif // PRODUCT
190 };
191 


192 class ShenandoahBarrierSetC1 : public BarrierSetC1 {

193 private:
194   CodeBlob* _pre_barrier_c1_runtime_code_blob;
195   CodeBlob* _load_reference_barrier_strong_rt_code_blob;
196   CodeBlob* _load_reference_barrier_strong_native_rt_code_blob;
197   CodeBlob* _load_reference_barrier_weak_rt_code_blob;
198   CodeBlob* _load_reference_barrier_phantom_rt_code_blob;
199 
200   void pre_barrier(LIRGenerator* gen, CodeEmitInfo* info, DecoratorSet decorators, LIR_Opr addr_opr, LIR_Opr pre_val);
201 
202   LIR_Opr load_reference_barrier(LIRGenerator* gen, LIR_Opr obj, LIR_Opr addr, DecoratorSet decorators);
203 
204   LIR_Opr load_reference_barrier_impl(LIRGenerator* gen, LIR_Opr obj, LIR_Opr addr, DecoratorSet decorators);
205 
206   LIR_Opr ensure_in_register(LIRGenerator* gen, LIR_Opr obj, BasicType type);
207 
208 public:
209   ShenandoahBarrierSetC1();
210 
211   CodeBlob* pre_barrier_c1_runtime_code_blob() {
212     assert(_pre_barrier_c1_runtime_code_blob != nullptr, "");

172     if (_tmp2->is_valid())                  state->do_temp(_tmp2);
173     if (_result->is_valid())                state->do_output(_result);
174   }
175 
176   virtual void emit_code(LIR_Assembler* masm);
177 
178   virtual void print_instr(outputStream* out) const {
179     addr()->print(out);      out->print(" ");
180     cmp_value()->print(out); out->print(" ");
181     new_value()->print(out); out->print(" ");
182     tmp1()->print(out);      out->print(" ");
183     tmp2()->print(out);      out->print(" ");
184   }
185 #ifndef PRODUCT
186   virtual const char* name() const {
187     return "shenandoah_cas_obj";
188   }
189 #endif // PRODUCT
190 };
191 
192 class SCAddressTable;
193 
194 class ShenandoahBarrierSetC1 : public BarrierSetC1 {
195   friend class SCAddressTable;
196 private:
197   CodeBlob* _pre_barrier_c1_runtime_code_blob;
198   CodeBlob* _load_reference_barrier_strong_rt_code_blob;
199   CodeBlob* _load_reference_barrier_strong_native_rt_code_blob;
200   CodeBlob* _load_reference_barrier_weak_rt_code_blob;
201   CodeBlob* _load_reference_barrier_phantom_rt_code_blob;
202 
203   void pre_barrier(LIRGenerator* gen, CodeEmitInfo* info, DecoratorSet decorators, LIR_Opr addr_opr, LIR_Opr pre_val);
204 
205   LIR_Opr load_reference_barrier(LIRGenerator* gen, LIR_Opr obj, LIR_Opr addr, DecoratorSet decorators);
206 
207   LIR_Opr load_reference_barrier_impl(LIRGenerator* gen, LIR_Opr obj, LIR_Opr addr, DecoratorSet decorators);
208 
209   LIR_Opr ensure_in_register(LIRGenerator* gen, LIR_Opr obj, BasicType type);
210 
211 public:
212   ShenandoahBarrierSetC1();
213 
214   CodeBlob* pre_barrier_c1_runtime_code_blob() {
215     assert(_pre_barrier_c1_runtime_code_blob != nullptr, "");