diff -r f71a6fb9b532 -r 8e6b5694267f hotspot/src/cpu/sparc/vm/vm_version_sparc.cpp
--- a/hotspot/src/cpu/sparc/vm/vm_version_sparc.cpp	Fri Jan 11 09:53:24 2013 -0800
+++ b/hotspot/src/cpu/sparc/vm/vm_version_sparc.cpp	Mon Jan 14 15:17:47 2013 +0100
@@ -259,6 +259,10 @@
   if (!has_vis1()) // Drop to 0 if no VIS1 support
     UseVIS = 0;
 
+  if (FLAG_IS_DEFAULT(ContendedPaddingWidth) &&
+    (cache_line_size > ContendedPaddingWidth))
+    ContendedPaddingWidth = cache_line_size;
+
 #ifndef PRODUCT
   if (PrintMiscellaneous && Verbose) {
     tty->print("Allocation");
@@ -286,6 +290,9 @@
     if (PrefetchFieldsAhead > 0) {
       tty->print_cr("PrefetchFieldsAhead %d", PrefetchFieldsAhead);
     }
+    if (ContendedPaddingWidth > 0) {
+      tty->print_cr("ContendedPaddingWidth %d", ContendedPaddingWidth);
+    }
   }
 #endif // PRODUCT
 }