xref: /titanic_51/usr/src/cmd/vi/port/bcopy.c (revision fa9e4066f08beec538e775443c5be79dd423fcab)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
23 /*	  All Rights Reserved  	*/
24 
25 
26 #ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.8	*/
27 bcopy(from, to, count)
28 #ifdef vax
29 	unsigned char *from, *to;
30 	int count;
31 {
32 
33 	asm("	movc3	12(ap),*4(ap),*8(ap)");
34 }
35 #else
36 #ifdef u3b		/* movblkb only works with register args */
37 	register unsigned char *from, *to;
38 	register int count;
39 {
40 	asm("	movblkb	%r6, %r8, %r7");
41 }
42 #else
43 	register unsigned char *from, *to;
44 	register int count;
45 {
46 	while ((count--) > 0)
47 		*to++ = *from++;
48 }
49 #endif
50 #endif
51