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

rev 55922 : 8228369: Shenandoah: Refactor LRB C1 stubs

@@ -88,27 +88,35 @@
 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) :
-    _obj(obj), _result(result)
+  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
 };

@@ -172,10 +180,11 @@
 };
 
 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);

@@ -184,10 +193,11 @@
 
   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);