src/hotspot/share/opto/matcher.cpp

*** 2343,2352 ****
--- 2343,2361 ----
          n->set_req(2, pair);
          n->set_req(1, n->in(3));
          n->del_req(3);
          break;
        }
+       case Op_MulAddS2I: {
+         Node* pair1 = new BinaryNode(n->in(1), n->in(2));
+         Node* pair2 = new BinaryNode(n->in(3), n->in(4));
+         n->set_req(1, pair1);
+         n->set_req(2, pair2);
+         n->del_req(4);
+         n->del_req(3);
+         break;
+       }
        default:
          break;
        }
      }
      else {