Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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>
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)