src/share/vm/memory/cardTableRS.hpp

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2001, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2012, 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.

@@ -43,12 +43,16 @@
 
   static jbyte clean_card_val() {
     return CardTableModRefBS::clean_card;
   }
 
-  static bool
-  card_is_dirty_wrt_gen_iter(jbyte cv) {
+  // making this constants into inline methods kills performance for some reason
+  static intptr_t clean_card_row() {
+    return CardTableModRefBS::clean_card_row;
+  }
+
+  static bool  card_is_dirty_wrt_gen_iter(jbyte cv) {
     return CardTableModRefBS::card_is_dirty_wrt_gen_iter(cv);
   }
 
   CardTableModRefBSForCTRS* _ct_bs;
 

@@ -174,10 +178,12 @@
   // processed.
   inline bool clear_card(jbyte* entry);
   // Work methods called by the clear_card()
   inline bool clear_card_serial(jbyte* entry);
   inline bool clear_card_parallel(jbyte* entry);
+  // check alignment of pointer
+  bool is_word_aligned(jbyte* entry);
 
 public:
   ClearNoncleanCardWrapper(DirtyCardToOopClosure* dirty_card_closure, CardTableRS* ct);
   void do_MemRegion(MemRegion mr);
 };