src/hotspot/share/opto/memnode.hpp

*** 594,13 ***
  //------------------------------LoadNKlassNode---------------------------------
  // Load a narrow Klass from an object.
  // With compact headers, the input address (adr) does not point at the exact
  // header position where the (narrow) class pointer is located, but into the
  // middle of the mark word (see oopDesc::klass_offset_in_bytes()). This node
! // implicitly shifts the loaded value (markWord::klass_shift_at_offset bits) to
! // extract the actual class pointer. C2's type system is agnostic on whether the
! // input address directly points into the class pointer.
  class LoadNKlassNode : public LoadNNode {
  private:
    friend Node* LoadKlassNode::make(PhaseGVN&, Node*, Node*, const TypePtr*, const TypeKlassPtr*);
    LoadNKlassNode(Node* mem, Node* adr, const TypePtr* at, const TypeNarrowKlass* tk, MemOrd mo)
      : LoadNNode(nullptr, mem, adr, at, tk, mo) {}
--- 594,13 ---
  //------------------------------LoadNKlassNode---------------------------------
  // Load a narrow Klass from an object.
  // With compact headers, the input address (adr) does not point at the exact
  // header position where the (narrow) class pointer is located, but into the
  // middle of the mark word (see oopDesc::klass_offset_in_bytes()). This node
! // implicitly shifts the loaded value to extract the actual class pointer.
! // C2's type system is agnostic on whether the input address directly points
! // into the class pointer.
  class LoadNKlassNode : public LoadNNode {
  private:
    friend Node* LoadKlassNode::make(PhaseGVN&, Node*, Node*, const TypePtr*, const TypeKlassPtr*);
    LoadNKlassNode(Node* mem, Node* adr, const TypePtr* at, const TypeNarrowKlass* tk, MemOrd mo)
      : LoadNNode(nullptr, mem, adr, at, tk, mo) {}