/* Debugging control */
-#define DEBUG(x) if ((debug_selector & (x)) != 0)
-#define HDEBUG(x) if (host_checking || (debug_selector & (x)) != 0)
+#define DEBUG(x) if (debug_selector & (x))
+#define HDEBUG(x) if (host_checking || (debug_selector & (x)))
#define PTR_CHK(ptr) \
do { \