1/* Sparc optimized memcmp code.
2 *
3 * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
4 * Copyright (C) 2000, 2008 David S. Miller (davem@davemloft.net)
5 */
6
7#include <linux/linkage.h>
8#include <asm/asm.h>
9
10	.text
11ENTRY(memcmp)
12	cmp	%o2, 0
131:	BRANCH32(be, pn, 2f)
14	 nop
15	ldub	[%o0], %g7
16	ldub	[%o1], %g3
17	sub	%o2, 1, %o2
18	add	%o0, 1, %o0
19	add	%o1, 1, %o1
20	subcc	%g7, %g3, %g3
21	BRANCH32(be, pt, 1b)
22	 cmp	%o2, 0
23	retl
24	 mov	%g3, %o0
252:	retl
26	 mov	0, %o0
27ENDPROC(memcmp)
28