xref: /original-bsd/lib/libc/tahoe/string/strcmp.s (revision 28301386)
1/*
2 * Copyright (c) 1988 Regents of the University of California.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms are permitted
6 * provided that the above copyright notice and this paragraph are
7 * duplicated in all such forms and that any documentation,
8 * advertising materials, and other materials related to such
9 * distribution and use acknowledge that the software was developed
10 * by the University of California, Berkeley.  The name of the
11 * University may not be used to endorse or promote products derived
12 * from this software without specific prior written permission.
13 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
15 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
16 *
17 * This code is derived from software contributed to Berkeley by
18 * Computer Consoles Inc.
19 */
20
21#if defined(LIBC_SCCS) && !defined(lint)
22	.asciz "@(#)strcmp.s	1.3 (Berkeley) 06/27/88"
23#endif /* LIBC_SCCS and not lint */
24
25#include "DEFS.h"
26
27/*
28 * Compare strings:  s1>s2: >0  s1==s2: 0  s1<s2: <0
29 *
30 * strcmp(s1, s2)
31 * register char *s1, *s2;
32*/
33
34ENTRY(strcmp, 0)
35	movl	4(fp),r0
36	movl	8(fp),r1
37	cmps2
38	jgtr	greater
39	jlss	less
40equal:	clrl	r0
41	ret
42less:	movl	$-1,r0
43	ret
44greater: movl	$1,r0
45	ret
46