173     if (_tmp2->is_valid())                  state->do_temp(_tmp2);
174     if (_result->is_valid())                state->do_output(_result);
175   }
176 
177   virtual void emit_code(LIR_Assembler* masm);
178 
179   virtual void print_instr(outputStream* out) const {
180     addr()->print(out);      out->print(" ");
181     cmp_value()->print(out); out->print(" ");
182     new_value()->print(out); out->print(" ");
183     tmp1()->print(out);      out->print(" ");
184     tmp2()->print(out);      out->print(" ");
185   }
186 #ifndef PRODUCT
187   virtual const char* name() const {
188     return "shenandoah_cas_obj";
189   }
190 #endif // PRODUCT
191 };
192 


193 class ShenandoahBarrierSetC1 : public BarrierSetC1 {

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

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