*** old/src/share/vm/code/vmreg.hpp	Fri Jul 13 20:36:16 2012
--- new/src/share/vm/code/vmreg.hpp	Fri Jul 13 20:36:16 2012

*** 129,138 ****
--- 129,142 ----
    // have an expressible part. That would be pd specific code
    VMReg next() {
      assert((is_reg() && value() < stack0->value() - 1) || is_stack(), "must be");
      return (VMReg)(intptr_t)(value() + 1);
    }
+   VMReg next(int i) {
+     assert((is_reg() && value() < stack0->value() - i) || is_stack(), "must be");
+     return (VMReg)(intptr_t)(value() + i);
+   }
    VMReg prev() {
      assert((is_stack() && value() > stack0->value()) || (is_reg() && value() != 0), "must be");
      return (VMReg)(intptr_t)(value() - 1);
    }