--- a/hotspot/src/share/vm/opto/output.cpp Wed Sep 10 14:29:32 2008 -0700
+++ b/hotspot/src/share/vm/opto/output.cpp Wed Sep 10 18:23:32 2008 -0700
@@ -685,6 +685,8 @@
} else if( t->base() == Type::Int && OptoReg::is_reg(regnum) ) {
array->append(new_loc_value( _regalloc, regnum, Matcher::int_in_long
? Location::int_in_long : Location::normal ));
+ } else if( t->base() == Type::NarrowOop ) {
+ array->append(new_loc_value( _regalloc, regnum, Location::narrowoop ));
} else {
array->append(new_loc_value( _regalloc, regnum, _regalloc->is_oop(local) ? Location::oop : Location::normal ));
}
@@ -704,6 +706,13 @@
case Type::KlassPtr: // fall through
array->append(new ConstantOopWriteValue(t->isa_oopptr()->const_oop()->encoding()));
break;
+ case Type::NarrowOop:
+ if (t == TypeNarrowOop::NULL_PTR) {
+ array->append(new ConstantOopWriteValue(NULL));
+ } else {
+ array->append(new ConstantOopWriteValue(t->make_ptr()->isa_oopptr()->const_oop()->encoding()));
+ }
+ break;
case Type::Int:
array->append(new ConstantIntValue(t->is_int()->get_con()));
break;
@@ -878,9 +887,14 @@
}
} else if( !obj_node->is_Con() ) {
OptoReg::Name obj_reg = _regalloc->get_reg_first(obj_node);
- scval = new_loc_value( _regalloc, obj_reg, Location::oop );
+ if( obj_node->bottom_type()->base() == Type::NarrowOop ) {
+ scval = new_loc_value( _regalloc, obj_reg, Location::narrowoop );
+ } else {
+ scval = new_loc_value( _regalloc, obj_reg, Location::oop );
+ }
} else {
- scval = new ConstantOopWriteValue(obj_node->bottom_type()->is_instptr()->const_oop()->encoding());
+ const TypePtr *tp = obj_node->bottom_type()->make_ptr();
+ scval = new ConstantOopWriteValue(tp->is_instptr()->const_oop()->encoding());
}
OptoReg::Name box_reg = BoxLockNode::stack_slot(box_node);