/* * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved. * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this * file. * * The 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, QUIET ENJOYMENT 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