Linux 5.7.6
[linux/fpc-iii.git] / arch / arm / lib / strrchr.S
blob5e87247d1e8bf46eabe27015d5921df2a8d0f94b
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  *  linux/arch/arm/lib/strrchr.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(strrchr)
15                 mov     r3, #0
16 1:              ldrb    r2, [r0], #1
17                 teq     r2, r1
18                 subeq   r3, r0, #1
19                 teq     r2, #0
20                 bne     1b
21                 mov     r0, r3
22                 ret     lr
23 ENDPROC(strrchr)