Content - 5e87247d1e8bf46eabe27015d5921df2a8d0f94b - 3877e0a/arch/arm/lib/strrchr.S

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v0.8.1

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https://github.com/torvalds/linux

02 December 2023, 22:23:51 UTC

Tip revision: f2906aa863381afb0015a9eb7fefad885d4e5a56 authored by Linus Torvalds on 06 June 2022, 00:18:54 UTC
Linux 5.19-rc1

Tip revision: f2906aa

strrchr.S

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 *  linux/arch/arm/lib/strrchr.S
 *
 *  Copyright (C) 1995-2000 Russell King
 *
 *  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
		ret	lr
ENDPROC(strrchr)