[mirror_ubuntu-zesty-kernel.git] / arch / arm / lib / strrchr.S

/*
 *  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
		ret	lr
ENDPROC(strrchr)
Commit	Line	Data
1da177e4 LT	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 <linux/linkage.h>
	13	#include <asm/assembler.h>
	14
	15	.text
	16	.align 5
	17	ENTRY(strrchr)
	18	mov r3, #0
	19	1: ldrb r2, [r0], #1
	20	teq r2, r1
	21	subeq r3, r0, #1
	22	teq r2, #0
	23	bne 1b
	24	mov r0, r3
6ebbf2ce	25	ret lr
93ed3970	26	ENDPROC(strrchr)