Index: head/sbin/devmatch/devmatch.c
===================================================================
--- head/sbin/devmatch/devmatch.c
+++ head/sbin/devmatch/devmatch.c
@@ -349,7 +349,12 @@
 						}
 						if (*cp == 'D')
 							break;
+						if (bit >= 0 && ((1 << bit) & mask) == 0)
+							break;
 						s = pnpval_as_str(cp + 2, pnpinfo);
+						if (verbose_flag)
+							printf("Matching %s (%c) table=%s tomatch=%s\n",
+							    cp + 2, *cp, s, val1);
 						if (strcmp(s, val1) != 0)
 							notme++;
 						break;