*** old/src/share/vm/opto/machnode.cpp	Wed Dec  2 17:37:56 2009
--- new/src/share/vm/opto/machnode.cpp	Wed Dec  2 17:37:56 2009

*** 634,651 ****
--- 634,664 ----
    MachCallJavaNode &call = (MachCallJavaNode&)n;
    return MachCallNode::cmp(call) && _method->equals(call._method);
  }
  #ifndef PRODUCT
  void MachCallJavaNode::dump_spec(outputStream *st) const {
!   if( _method ) {
!   if (_method_handle_invoke)
+     st->print("MethodHandle ");
+   if (_method) {
      _method->print_short_name(st);
      st->print(" ");
    }
    MachCallNode::dump_spec(st);
  }
  #endif
  
+ //------------------------------Registers--------------------------------------
+ const RegMask &MachCallJavaNode::in_RegMask(uint idx) const {
+   // Values in the domain use the users calling convention, embodied in the
+   // _in_rms array of RegMasks.
+   if (idx < tf()->domain()->cnt())  return _in_rms[idx];
+   // Values outside the domain represent debug info
+   Matcher* m = Compile::current()->matcher();
+   RegMask** debugmask = _method_handle_invoke ? m->idealreg2mhdebugmask : m->idealreg2debugmask;
+   return *debugmask[in(idx)->ideal_reg()];
+ }
+ 
  //=============================================================================
  uint MachCallStaticJavaNode::size_of() const { return sizeof(*this); }
  uint MachCallStaticJavaNode::cmp( const Node &n ) const {
    MachCallStaticJavaNode &call = (MachCallStaticJavaNode&)n;
    return MachCallJavaNode::cmp(call) && _name == call._name;