forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
30 lines
563 B
30 lines
563 B
/* SPDX-License-Identifier: GPL-2.0 */ |
|
/* Sparc optimized memcmp code. |
|
* |
|
* Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) |
|
* Copyright (C) 2000, 2008 David S. Miller (davem@davemloft.net) |
|
*/ |
|
|
|
#include <linux/linkage.h> |
|
#include <asm/asm.h> |
|
#include <asm/export.h> |
|
|
|
.text |
|
ENTRY(memcmp) |
|
cmp %o2, 0 |
|
1: BRANCH32(be, pn, 2f) |
|
nop |
|
ldub [%o0], %g7 |
|
ldub [%o1], %g3 |
|
sub %o2, 1, %o2 |
|
add %o0, 1, %o0 |
|
add %o1, 1, %o1 |
|
subcc %g7, %g3, %g3 |
|
BRANCH32(be, pt, 1b) |
|
cmp %o2, 0 |
|
retl |
|
mov %g3, %o0 |
|
2: retl |
|
mov 0, %o0 |
|
ENDPROC(memcmp) |
|
EXPORT_SYMBOL(memcmp)
|
|
|