1/* 2 * linux/arch/arm/lib/strrchr.S 3 * 4 * Copyright (C) 1995-2000 Russell King 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License version 2 as 8 * published by the Free Software Foundation. 9 * 10 * ASM optimised string functions 11 */ 12#include "assembler.h" 13 14 .text 15 .align 5 16ENTRY(strrchr) 17 mov r3, #0 181: ldrb r2, [r0], #1 19 teq r2, r1 20 subeq r3, r0, #1 21 teq r2, #0 22 bne 1b 23 mov r0, r3 24 mov pc, lr 25ENDPROC(strrchr) 26