/* * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * The contents of this file constitute Original Code as defined in and * are subject to the Apple Public Source License Version 1.1 (the * "License"). You may not use this file except in compliance with the * License. Please obtain a copy of the License at * http://www.apple.com/publicsource and read it before using this file. * * This Original Code and all software distributed under the License are * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License. * * @APPLE_LICENSE_HEADER_END@ */ .text .globl _strcmp _strcmp: #if defined(__i386__) movl 0x04(%esp),%eax movl 0x08(%esp),%edx jmp L2 /* Jump into the loop! */ .align 2,0x90 L1: incl %eax incl %edx L2: movb (%eax),%cl testb %cl,%cl /* null terminator??? */ jz L3 cmpb %cl,(%edx) /* chars match??? */ jne L3 incl %eax incl %edx movb (%eax),%cl testb %cl,%cl jz L3 cmpb %cl,(%edx) jne L3 incl %eax incl %edx movb (%eax),%cl testb %cl,%cl jz L3 cmpb %cl,(%edx) jne L3 incl %eax incl %edx movb (%eax),%cl testb %cl,%cl jz L3 cmpb %cl,(%edx) jne L3 incl %eax incl %edx movb (%eax),%cl testb %cl,%cl jz L3 cmpb %cl,(%edx) jne L3 incl %eax incl %edx movb (%eax),%cl testb %cl,%cl jz L3 cmpb %cl,(%edx) jne L3 incl %eax incl %edx movb (%eax),%cl testb %cl,%cl jz L3 cmpb %cl,(%edx) jne L3 incl %eax incl %edx movb (%eax),%cl testb %cl,%cl jz L3 cmpb %cl,(%edx) je L1 .align 2, 0x90 L3: movzbl (%eax),%eax /* unsigned comparison */ movzbl (%edx),%edx subl %edx,%eax ret #elif defined(__ppc__) mr r5,r3 1: lbz r3,0(r5) addi r5,r5,1 cmpwi cr1,r3,0 lbz r0,0(r4) addi r4,r4,1 subf. r3,r0,r3 beqlr+ cr1 beq- 1b blr #else #error strcmp is not defined for this architecture #endif