memcmp.S (e5451c8f8330e03ad3cfa16048b4daf961af434f) memcmp.S (d3867f0483103b8ff7edfdea3ef1981c03d96891)
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>
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#include <asm/export.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)
10
11 .text
12ENTRY(memcmp)
13 cmp %o2, 0
141: BRANCH32(be, pn, 2f)
15 nop
16 ldub [%o0], %g7
17 ldub [%o1], %g3
18 sub %o2, 1, %o2
19 add %o0, 1, %o0
20 add %o1, 1, %o1
21 subcc %g7, %g3, %g3
22 BRANCH32(be, pt, 1b)
23 cmp %o2, 0
24 retl
25 mov %g3, %o0
262: retl
27 mov 0, %o0
28ENDPROC(memcmp)
29EXPORT_SYMBOL(memcmp)