From 62f696fcfaaf07cf996963779e0bded74ee168b2 Mon Sep 17 00:00:00 2001
From: "David E. O'Brien" <obrien@FreeBSD.org>
Date: Mon, 18 Oct 2004 17:19:36 +0000
Subject: [PATCH] Sync with sys/i386/include/endian.h: use the single
 instruction 'bswap'.

---
 lib/libc/i386/net/htonl.S | 4 ++++
 lib/libc/i386/net/ntohl.S | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/lib/libc/i386/net/htonl.S b/lib/libc/i386/net/htonl.S
index da74ed67a90..8c79bf63ba0 100644
--- a/lib/libc/i386/net/htonl.S
+++ b/lib/libc/i386/net/htonl.S
@@ -46,7 +46,11 @@ __FBSDID("$FreeBSD$");
         .set CNAME(htonl),CNAME(__htonl)
 ENTRY(__htonl)
 	movl	4(%esp),%eax
+#ifdef I386_CPU
 	xchgb	%al,%ah
 	roll	$16,%eax
 	xchgb	%al,%ah
+#else
+	bswap	%eax
+#endif
 	ret
diff --git a/lib/libc/i386/net/ntohl.S b/lib/libc/i386/net/ntohl.S
index 15e2d6e3523..c7fc6c3fef2 100644
--- a/lib/libc/i386/net/ntohl.S
+++ b/lib/libc/i386/net/ntohl.S
@@ -46,7 +46,11 @@ __FBSDID("$FreeBSD$");
         .set CNAME(ntohl),CNAME(__ntohl)
 ENTRY(__ntohl)
 	movl	4(%esp),%eax
+#ifdef I386_CPU
 	xchgb	%al,%ah
 	roll	$16,%eax
 	xchgb	%al,%ah
+#else
+	bswap	%eax
+#endif
 	ret