/* * linux/arch/arm/lib/strrchr.S * * Copyright (C) 1995-2000 Russell King * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * * ASM optimised string functions */ #include <linux/linkage.h> #include <asm/assembler.h> .text .align 5 ENTRY(strrchr) mov r3, #0 1: ldrb r2, [r0], #1 teq r2, r1 subeq r3, r0, #1 teq r2, #0 bne 1b mov r0, r3 mov pc, lr ENDPROC(strrchr)