diff src/cpu/ppc/vm/interpreter_ppc.hpp @ 17804:fd1b9f02cc91

8036976: PPC64: implement the template interpreter Reviewed-by: kvn, coleenp Contributed-by: axel.siebenborn@sap.com, martin.doerr@sap.com
author goetz
date Mon, 10 Mar 2014 12:58:02 +0100
parents ec28f9c041ff
children 92aa6797d639
line wrap: on
line diff
--- a/src/cpu/ppc/vm/interpreter_ppc.hpp	Thu Mar 06 10:55:28 2014 -0800
+++ b/src/cpu/ppc/vm/interpreter_ppc.hpp	Mon Mar 10 12:58:02 2014 +0100
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
- * Copyright 2012, 2013 SAP AG. All rights reserved.
+ * Copyright 2012, 2014 SAP AG. 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
@@ -28,15 +28,23 @@
 
  public:
 
-  // Stack index relative to tos (which points at value)
+  // Stack index relative to tos (which points at value).
   static int expr_index_at(int i) {
     return stackElementWords * i;
   }
 
-  // Already negated by c++ interpreter
+  // Already negated by c++ interpreter.
   static int local_index_at(int i) {
     assert(i <= 0, "local direction already negated");
     return stackElementWords * i;
   }
 
+#ifndef CC_INTERP
+  // The offset in bytes to access a expression stack slot
+  // relative to the esp pointer.
+  static int expr_offset_in_bytes(int slot) {
+    return stackElementSize * slot + wordSize;
+  }
+#endif
+
 #endif // CPU_PPC_VM_INTERPRETER_PPC_PP