return x[0] == 0 && x[1] == 0 && x[2] == 0 && x[3] == 0;
}
-#else /* FIRST_PSEUDO_REGISTER > 3*HOST_BITS_PER_WIDEST_FAST_INT */
+#else /* FIRST_PSEUDO_REGISTER > 4*HOST_BITS_PER_WIDEST_FAST_INT */
#define CLEAR_HARD_REG_SET(TO) \
do { HARD_REG_ELT_TYPE *scan_tp_ = (TO); \