[mirror_ubuntu-hirsute-kernel.git] / arch / arm / lib / strchr.S

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 *  linux/arch/arm/lib/strchr.S
 *
 *  Copyright (C) 1995-2000 Russell King
 *
 *  ASM optimised string functions
 */
#include <linux/linkage.h>
#include <asm/assembler.h>

		.text
		.align	5
ENTRY(strchr)
		and	r1, r1, #0xff
1:		ldrb	r2, [r0], #1
		teq	r2, r1
		teqne	r2, #0
		bne	1b
		teq	r2, r1
		movne	r0, #0
		subeq	r0, r0, #1
		ret	lr
ENDPROC(strchr)
Commit	Line	Data
d2912cb1	1	/* SPDX-License-Identifier: GPL-2.0-only */
1da177e4 LT	2	/*
	3	* linux/arch/arm/lib/strchr.S
	4	*
	5	* Copyright (C) 1995-2000 Russell King
	6	*
1da177e4 LT	7	* ASM optimised string functions
	8	*/
	9	#include <linux/linkage.h>
	10	#include <asm/assembler.h>
	11
	12	.text
	13	.align 5
	14	ENTRY(strchr)
	15	and r1, r1, #0xff
	16	1: ldrb r2, [r0], #1
	17	teq r2, r1
	18	teqne r2, #0
	19	bne 1b
	20	teq r2, r1
	21	movne r0, #0
	22	subeq r0, r0, #1
6ebbf2ce	23	ret lr
93ed3970	24	ENDPROC(strchr)