24 lines
		
	
	
		
			383 B
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
			
		
		
	
	
			24 lines
		
	
	
		
			383 B
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
| /* SPDX-License-Identifier: GPL-2.0-only */
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| /*
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|  *  linux/arch/arm/lib/strrchr.S
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|  *
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|  *  Copyright (C) 1995-2000 Russell King
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|  *
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|  *  ASM optimised string functions
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|  */
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| #include <linux/linkage.h>
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| #include <asm/assembler.h>
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| 
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| 		.text
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| 		.align	5
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| ENTRY(strrchr)
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| 		mov	r3, #0
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| 1:		ldrb	r2, [r0], #1
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| 		teq	r2, r1
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| 		subeq	r3, r0, #1
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| 		teq	r2, #0
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| 		bne	1b
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| 		mov	r0, r3
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| 		ret	lr
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| ENDPROC(strrchr)
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