1/* SPDX-License-Identifier: GPL-2.0 */
 2/* Sparc optimized memcmp code.
 3 *
 4 * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
 5 * Copyright (C) 2000, 2008 David S. Miller (davem@davemloft.net)
 6 */
 7
 8#include <linux/linkage.h>
 9#include <asm/asm.h>
10#include <asm/export.h>
11
12	.text
13ENTRY(memcmp)
14	cmp	%o2, 0
151:	BRANCH32(be, pn, 2f)
16	 nop
17	ldub	[%o0], %g7
18	ldub	[%o1], %g3
19	sub	%o2, 1, %o2
20	add	%o0, 1, %o0
21	add	%o1, 1, %o1
22	subcc	%g7, %g3, %g3
23	BRANCH32(be, pt, 1b)
24	 cmp	%o2, 0
25	retl
26	 mov	%g3, %o0
272:	retl
28	 mov	0, %o0
29ENDPROC(memcmp)
30EXPORT_SYMBOL(memcmp)

 
 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)