src/hotspot/share/gc/shenandoah/c1/shenandoahBarrierSetC1.hpp

rev 55922 : 8228369: Shenandoah: Refactor LRB C1 stubs

*** 88,114 ****
  class ShenandoahLoadReferenceBarrierStub: public CodeStub {
    friend class ShenandoahBarrierSetC1;
  private:
    LIR_Opr _obj;
    LIR_Opr _result;
  
  public:
!   ShenandoahLoadReferenceBarrierStub(LIR_Opr obj, LIR_Opr result) :
!     _obj(obj), _result(result)
    {
      assert(_obj->is_register(), "should be register");
      assert(_result->is_register(), "should be register");
    }
  
    LIR_Opr obj() const { return _obj; }
    LIR_Opr result() const { return _result; }
  
    virtual void emit_code(LIR_Assembler* e);
    virtual void visit(LIR_OpVisitState* visitor) {
      visitor->do_slow_case();
      visitor->do_input(_obj);
      visitor->do_temp(_result);
    }
  #ifndef PRODUCT
    virtual void print_name(outputStream* out) const { out->print("ShenandoahLoadReferenceBarrierStub"); }
  #endif // PRODUCT
  };
--- 88,122 ----
  class ShenandoahLoadReferenceBarrierStub: public CodeStub {
    friend class ShenandoahBarrierSetC1;
  private:
    LIR_Opr _obj;
    LIR_Opr _result;
+   LIR_Opr _tmp1;
+   LIR_Opr _tmp2;
  
  public:
!   ShenandoahLoadReferenceBarrierStub(LIR_Opr obj, LIR_Opr result, LIR_Opr tmp1, LIR_Opr tmp2) :
!     _obj(obj), _result(result), _tmp1(tmp1), _tmp2(tmp2)
    {
      assert(_obj->is_register(), "should be register");
      assert(_result->is_register(), "should be register");
+     assert(_tmp1->is_register(), "should be register");
+     assert(_tmp2->is_register(), "should be register");
    }
  
    LIR_Opr obj() const { return _obj; }
    LIR_Opr result() const { return _result; }
+   LIR_Opr tmp1() const { return _tmp1; }
+   LIR_Opr tmp2() const { return _tmp2; }
  
    virtual void emit_code(LIR_Assembler* e);
    virtual void visit(LIR_OpVisitState* visitor) {
      visitor->do_slow_case();
      visitor->do_input(_obj);
      visitor->do_temp(_result);
+     visitor->do_temp(_tmp1);
+     visitor->do_temp(_tmp2);
    }
  #ifndef PRODUCT
    virtual void print_name(outputStream* out) const { out->print("ShenandoahLoadReferenceBarrierStub"); }
  #endif // PRODUCT
  };
*** 172,181 ****
--- 180,190 ----
  };
  
  class ShenandoahBarrierSetC1 : public BarrierSetC1 {
  private:
    CodeBlob* _pre_barrier_c1_runtime_code_blob;
+   CodeBlob* _load_reference_barrier_rt_code_blob;
  
    void pre_barrier(LIRGenerator* gen, CodeEmitInfo* info, DecoratorSet decorators, LIR_Opr addr_opr, LIR_Opr pre_val);
  
    LIR_Opr load_reference_barrier(LIRGenerator* gen, LIR_Opr obj);
    LIR_Opr storeval_barrier(LIRGenerator* gen, LIR_Opr obj, CodeEmitInfo* info, DecoratorSet decorators);
*** 184,193 ****
--- 193,203 ----
  
    LIR_Opr ensure_in_register(LIRGenerator* gen, LIR_Opr obj);
  
  public:
    CodeBlob* pre_barrier_c1_runtime_code_blob() { return _pre_barrier_c1_runtime_code_blob; }
+   CodeBlob* load_reference_barrier_rt_code_blob() { return _load_reference_barrier_rt_code_blob; }
  
  protected:
  
    virtual void store_at_resolved(LIRAccess& access, LIR_Opr value);
    virtual void load_at_resolved(LIRAccess& access, LIR_Opr result);