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Linux/arch/arm/lib/strchr.S

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Diff markup

Differences between /arch/arm/lib/strchr.S (Architecture alpha) and /arch/ppc/lib/strchr.S (Architecture ppc)

  1 /* SPDX-License-Identifier: GPL-2.0-only */       
  2 /*                                                
  3  *  linux/arch/arm/lib/strchr.S                   
  4  *                                                
  5  *  Copyright (C) 1995-2000 Russell King          
  6  *                                                
  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                
 23                 ret     lr                        
 24 ENDPROC(strchr)
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