src/share/vm/opto/graphKit.cpp

*** 1123,1132 ****
--- 1123,1143 ----
    if (offset_con != Type::OffsetBot) {
      return longcon((jlong) offset_con);
    }
    return _gvn.transform( new (C) ConvI2LNode(offset));
  }
+ 
+ Node* GraphKit::ConvI2UL(Node* offset) {
+   juint offset_con = (juint) find_int_con(offset, Type::OffsetBot);
+   if (offset_con != (juint) Type::OffsetBot) {
+     return longcon((julong) offset_con);
+   }
+   Node* conv = _gvn.transform( new (C) ConvI2LNode(offset));
+   Node* mask = _gvn.transform( ConLNode::make(C, (julong) max_juint) );
+   return _gvn.transform( new (C) AndLNode(conv, mask) );
+ }
+ 
  Node* GraphKit::ConvL2I(Node* offset) {
    // short-circuit a common case
    jlong offset_con = find_long_con(offset, (jlong)Type::OffsetBot);
    if (offset_con != (jlong)Type::OffsetBot) {
      return intcon((int) offset_con);