Linux 5.7.6
[linux/fpc-iii.git] / arch / arm / lib / strchr.S
blob09e2cc8a89501a0f9ace6f81cb2a3256d68cd105
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  *  linux/arch/arm/lib/strchr.S
4  *
5  *  Copyright (C) 1995-2000 Russell King
6  *
7  *  ASM optimised string functions
8  */
9 #include <linux/linkage.h>
10 #include <asm/assembler.h>
12                 .text
13                 .align  5
14 ENTRY(strchr)
15                 and     r1, r1, #0xff
16 1:              ldrb    r2, [r0], #1
17                 teq     r2, r1
18                 teqne   r2, #0
19                 bne     1b
20                 teq     r2, r1
21                 movne   r0, #0
22                 subeq   r0, r0, #1
23                 ret     lr
24 ENDPROC(strchr)