--- a/hotspot/src/share/vm/opto/locknode.hpp Fri Mar 14 15:26:33 2008 -0700
+++ b/hotspot/src/share/vm/opto/locknode.hpp Fri Mar 14 16:40:42 2008 -0700
@@ -27,6 +27,7 @@
public:
const int _slot;
RegMask _inmask;
+ bool _is_eliminated; // indicates this lock was safely eliminated
BoxLockNode( int lock );
virtual int Opcode() const;
@@ -42,6 +43,10 @@
static OptoReg::Name stack_slot(Node* box_node);
+ bool is_eliminated() { return _is_eliminated; }
+ // mark lock as eliminated.
+ void set_eliminated() { _is_eliminated = true; }
+
#ifndef PRODUCT
virtual void format( PhaseRegAlloc *, outputStream *st ) const;
virtual void dump_spec(outputStream *st) const { st->print(" Lock %d",_slot); }