Index: alpha/alpha/in_cksum.c
===================================================================
RCS file: /home/ncvs/src/sys/alpha/alpha/in_cksum.c,v
retrieving revision 1.4
diff -u -r1.4 in_cksum.c
--- alpha/alpha/in_cksum.c	2000/05/06 18:18:31	1.4
+++ alpha/alpha/in_cksum.c	2000/05/07 15:01:25
@@ -69,7 +69,6 @@
 	sum = l_util.s[0] + l_util.s[1];				  \
 	ADDCARRY(sum);							  \
     }
-#define INVERT		sum == 0xffff ? sum : ~sum & 0xffff
 
 static const u_int32_t in_masks[] = {
 	/*0 bytes*/ /*1 byte*/	/*2 bytes*/ /*3 bytes*/
@@ -236,7 +235,7 @@
 		len -= mlen;
 	}
 	REDUCE16;
-	return (INVERT);
+	return (~sum & 0xffff);
 }
 
 u_int in_cksum_hdr(ip)
Index: i386/i386/in_cksum.c
===================================================================
RCS file: /home/ncvs/src/sys/i386/i386/in_cksum.c,v
retrieving revision 1.20
diff -u -r1.20 in_cksum.c
--- i386/i386/in_cksum.c	2000/05/06 18:18:32	1.20
+++ i386/i386/in_cksum.c	2000/05/07 15:01:25
@@ -57,7 +57,6 @@
 #undef	ADDCARRY
 #define ADDCARRY(x)     if ((x) > 0xffff) (x) -= 0xffff
 #define REDUCE          {sum = (sum & 0xffff) + (sum >> 16); ADDCARRY(sum);}
-#define INVERT		sum == 0xffff ? sum : ~sum & 0xffff
 
 /*
  * Thanks to gcc we don't have to guess
@@ -257,5 +256,5 @@
 		sum += su.s;
 	}
 	REDUCE;
-	return (INVERT);
+	return (~sum & 0xffff);
 }