--- /dev/null	Fri Sep  9 14:16:38 2011
+++ new/agent/src/share/classes/sun/jvm/hotspot/opto/MachIfNode.java	Fri Sep  9 14:17:00 2011
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+package sun.jvm.hotspot.opto;
+
+import java.util.*;
+import java.io.PrintStream;
+import sun.jvm.hotspot.debugger.*;
+import sun.jvm.hotspot.runtime.*;
+import sun.jvm.hotspot.oops.*;
+import sun.jvm.hotspot.types.*;
+
+public class MachIfNode extends MachNode {
+  static {
+    VM.registerVMInitializedObserver(new Observer() {
+        public void update(Observable o, Object data) {
+          initialize(VM.getVM().getTypeDataBase());
+        }
+      });
+  }
+
+  private static synchronized void initialize(TypeDataBase db) throws WrongTypeException {
+    Type type      = db.lookupType("MachIfNode");
+    probField = type.getJFloatField("_prob");
+    fcntField = type.getJFloatField("_fcnt");
+  }
+
+  private static JFloatField probField;
+  private static JFloatField fcntField;
+
+  float prob() {
+    return probField.getValue(getAddress());
+  }
+
+  float cnt() {
+    return fcntField.getValue(getAddress());
+  }
+
+  public MachIfNode(Address addr) {
+    super(addr);
+  }
+
+  public void dumpSpec(PrintStream out) {
+    out.print("P=" + prob() + ", C=" + cnt());
+  }
+}