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

rev 55609 : Eliminate extra forwarding pointer per object

*** 124,149 ****
    LIR_Opr _addr;
    LIR_Opr _cmp_value;
    LIR_Opr _new_value;
    LIR_Opr _tmp1;
    LIR_Opr _tmp2;
  
  public:
    LIR_OpShenandoahCompareAndSwap(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
!                                  LIR_Opr t1, LIR_Opr t2, LIR_Opr result)
      : LIR_Op(lir_none, result, NULL)  // no info
      , _addr(addr)
      , _cmp_value(cmp_value)
      , _new_value(new_value)
      , _tmp1(t1)
!     , _tmp2(t2)                                  { }
  
    LIR_Opr addr()        const                    { return _addr;  }
    LIR_Opr cmp_value()   const                    { return _cmp_value; }
    LIR_Opr new_value()   const                    { return _new_value; }
    LIR_Opr tmp1()        const                    { return _tmp1;      }
    LIR_Opr tmp2()        const                    { return _tmp2;      }
  
    virtual void visit(LIR_OpVisitState* state) {
        assert(_addr->is_valid(),      "used");
        assert(_cmp_value->is_valid(), "used");
        assert(_new_value->is_valid(), "used");
--- 124,152 ----
    LIR_Opr _addr;
    LIR_Opr _cmp_value;
    LIR_Opr _new_value;
    LIR_Opr _tmp1;
    LIR_Opr _tmp2;
+   LIR_Opr _tmp3;
  
  public:
    LIR_OpShenandoahCompareAndSwap(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
!                                  LIR_Opr t1, LIR_Opr t2, LIR_Opr t3, LIR_Opr result)
      : LIR_Op(lir_none, result, NULL)  // no info
      , _addr(addr)
      , _cmp_value(cmp_value)
      , _new_value(new_value)
      , _tmp1(t1)
!     , _tmp2(t2)
!     , _tmp3(t3)                                  { }
  
    LIR_Opr addr()        const                    { return _addr;  }
    LIR_Opr cmp_value()   const                    { return _cmp_value; }
    LIR_Opr new_value()   const                    { return _new_value; }
    LIR_Opr tmp1()        const                    { return _tmp1;      }
    LIR_Opr tmp2()        const                    { return _tmp2;      }
+   LIR_Opr tmp3()        const                    { return _tmp3;      }
  
    virtual void visit(LIR_OpVisitState* state) {
        assert(_addr->is_valid(),      "used");
        assert(_cmp_value->is_valid(), "used");
        assert(_new_value->is_valid(), "used");
*** 154,163 ****
--- 157,167 ----
                                      state->do_temp(_cmp_value);
                                      state->do_input(_new_value);
                                      state->do_temp(_new_value);
        if (_tmp1->is_valid())        state->do_temp(_tmp1);
        if (_tmp2->is_valid())        state->do_temp(_tmp2);
+       if (_tmp3->is_valid())        state->do_temp(_tmp3);
        if (_result->is_valid())      state->do_output(_result);
    }
  
    virtual void emit_code(LIR_Assembler* masm);
  
*** 165,174 ****
--- 169,179 ----
      addr()->print(out);      out->print(" ");
      cmp_value()->print(out); out->print(" ");
      new_value()->print(out); out->print(" ");
      tmp1()->print(out);      out->print(" ");
      tmp2()->print(out);      out->print(" ");
+     tmp3()->print(out);      out->print(" ");
    }
  #ifndef PRODUCT
    virtual const char* name() const {
      return "shenandoah_cas_obj";
    }