swh:1:snp:32555a3fd8878f019c2ebd6c964bc1edcaeff337
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Tip revision: 2ef96a5bb12be62ef75b5828c0aab838ebb29cb8 authored by Linus Torvalds on 10 May 2020, 22:16:58 UTC
Linux 5.7-rc5
Tip revision: 2ef96a5
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)
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