--- old/src/share/vm/opto/ad.hpp	2015-02-24 00:32:03.994552192 -0500
+++ new/src/share/vm/opto/ad.hpp	2015-02-24 00:32:03.262510740 -0500
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, 2015, 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
@@ -25,28 +25,19 @@
 #ifndef SHARE_VM_OPTO_AD_HPP
 #define SHARE_VM_OPTO_AD_HPP
 
-#ifdef TARGET_ARCH_MODEL_x86_32
+#if defined AD_MD_HPP
+# include AD_MD_HPP
+#elif defined TARGET_ARCH_MODEL_x86_32
 # include "adfiles/ad_x86_32.hpp"
-#endif
-#ifdef TARGET_ARCH_MODEL_x86_64
+#elif defined TARGET_ARCH_MODEL_x86_64
 # include "adfiles/ad_x86_64.hpp"
-#endif
-#ifdef TARGET_ARCH_MODEL_sparc
+#elif defined TARGET_ARCH_MODEL_sparc
 # include "adfiles/ad_sparc.hpp"
-#endif
-#ifdef TARGET_ARCH_MODEL_zero
+#elif defined TARGET_ARCH_MODEL_zero
 # include "adfiles/ad_zero.hpp"
-#endif
-#ifdef TARGET_ARCH_MODEL_arm
-# include "adfiles/ad_arm.hpp"
-#endif
-#ifdef TARGET_ARCH_MODEL_ppc_32
-# include "adfiles/ad_ppc_32.hpp"
-#endif
-#ifdef TARGET_ARCH_MODEL_ppc_64
+#elif defined TARGET_ARCH_MODEL_ppc_64
 # include "adfiles/ad_ppc_64.hpp"
-#endif
-#ifdef TARGET_ARCH_MODEL_aarch64
+#elif defined TARGET_ARCH_MODEL_aarch64
 # include "adfiles/ad_aarch64.hpp"
 #endif