--- a/hotspot/src/share/vm/opto/matcher.cpp	Tue Feb 10 16:53:00 2015 +0000
+++ b/hotspot/src/share/vm/opto/matcher.cpp	Tue Feb 10 21:32:05 2015 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 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
@@ -884,8 +884,6 @@
   // %%% Kludgery.  Instead, fix ideal adr_type methods for all these cases:
   if (nidx == Compile::AliasIdxTop && midx == Compile::AliasIdxRaw) {
     switch (n->Opcode()) {
-    case Op_PrefetchRead:
-    case Op_PrefetchWrite:
     case Op_PrefetchAllocation:
       nidx = Compile::AliasIdxRaw;
       nat = TypeRawPtr::BOTTOM;