--- a/hotspot/src/cpu/x86/vm/vm_version_x86.cpp	Fri Mar 27 08:58:45 2015 +0100
+++ b/hotspot/src/cpu/x86/vm/vm_version_x86.cpp	Tue Mar 31 12:31:18 2015 -0700
@@ -980,6 +980,11 @@
      (cache_line_size > ContendedPaddingWidth))
      ContendedPaddingWidth = cache_line_size;
 
+  // This machine allows unaligned memory accesses
+  if (FLAG_IS_DEFAULT(UseUnalignedAccesses)) {
+    FLAG_SET_DEFAULT(UseUnalignedAccesses, true);
+  }
+
 #ifndef PRODUCT
   if (PrintMiscellaneous && Verbose) {
     tty->print_cr("Logical CPUs per core: %u",