/*	$NetBSD: swab.S,v 1.7 1999/10/25 23:48:16 thorpej Exp $	*/

#include <machine/asm.h>

ENTRY(swab)
	movl	%sp@(4),%a0		| source
	movl	%sp@(8),%a1		| destination
	movl	%sp@(12),%d0		| count
	lsrl	#1,%d0			| count is in bytes; we need words
	jeq	swdone

swloop:
	movw	%a0@+,%d1
	rorw	#8,%d1
	movw	%d1,%a1@+
	subql	#1,%d0
	jne	swloop

swdone:
	rts