src/java.base/share/classes/sun/security/provider/ByteArrayAccess.java

@@ -86,17 +86,12 @@
             scaleOK && (byteOrder == ByteOrder.BIG_ENDIAN);
     }
 
     // Return whether this platform supports full speed int/long memory access
     // at unaligned addresses.
-    // This code was copied from java.nio.Bits because there is no equivalent
-    // public API.
     private static boolean unaligned() {
-        String arch = java.security.AccessController.doPrivileged
-            (new sun.security.action.GetPropertyAction("os.arch", ""));
-        return arch.equals("i386") || arch.equals("x86") || arch.equals("amd64")
-            || arch.equals("x86_64");
+        return unsafe.unalignedAccess();
     }
 
     /**
      * byte[] to int[] conversion, little endian byte order.
      */