1*0a6a1f1dSLionel Sambuc/* $NetBSD: memcmp.S,v 1.2 2014/03/22 19:38:46 jakllsch Exp $ */ 2f14fb602SLionel Sambuc/*- 3f14fb602SLionel Sambuc * Copyright (c) 2011 The NetBSD Foundation, Inc. 4f14fb602SLionel Sambuc * All rights reserved. 5f14fb602SLionel Sambuc * 6f14fb602SLionel Sambuc * This code is derived from software contributed to The NetBSD Foundation 7f14fb602SLionel Sambuc * by Joerg Sonnenberger. 8f14fb602SLionel Sambuc * 9f14fb602SLionel Sambuc * Redistribution and use in source and binary forms, with or without 10f14fb602SLionel Sambuc * modification, are permitted provided that the following conditions 11f14fb602SLionel Sambuc * are met: 12f14fb602SLionel Sambuc * 1. Redistributions of source code must retain the above copyright 13f14fb602SLionel Sambuc * notice, this list of conditions and the following disclaimer. 14f14fb602SLionel Sambuc * 2. Redistributions in binary form must reproduce the above copyright 15f14fb602SLionel Sambuc * notice, this list of conditions and the following disclaimer in the 16f14fb602SLionel Sambuc * documentation and/or other materials provided with the distribution. 17f14fb602SLionel Sambuc * 18f14fb602SLionel Sambuc * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19f14fb602SLionel Sambuc * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20f14fb602SLionel Sambuc * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21f14fb602SLionel Sambuc * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22f14fb602SLionel Sambuc * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23f14fb602SLionel Sambuc * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24f14fb602SLionel Sambuc * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25f14fb602SLionel Sambuc * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26f14fb602SLionel Sambuc * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27f14fb602SLionel Sambuc * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28f14fb602SLionel Sambuc * POSSIBILITY OF SUCH DAMAGE. 29f14fb602SLionel Sambuc */ 30f14fb602SLionel Sambuc 31f14fb602SLionel Sambuc#include <machine/asm.h> 32*0a6a1f1dSLionel Sambuc RCSID("$NetBSD: memcmp.S,v 1.2 2014/03/22 19:38:46 jakllsch Exp $") 33f14fb602SLionel Sambuc 34f14fb602SLionel SambucENTRY(memcmp) 35f14fb602SLionel Sambuc pushl %esi 36f14fb602SLionel Sambuc pushl %edi 37f14fb602SLionel Sambuc movl 12(%esp), %edi 38f14fb602SLionel Sambuc movl 16(%esp), %esi 39f14fb602SLionel Sambuc movl 20(%esp), %ecx 40f14fb602SLionel Sambuc xorl %eax, %eax 41f14fb602SLionel Sambuc rep 42f14fb602SLionel Sambuc cmpsb 43f14fb602SLionel Sambuc popl %edi 44f14fb602SLionel Sambuc popl %esi 45f14fb602SLionel Sambuc ja 1f 46f14fb602SLionel Sambuc setnz %al 47f14fb602SLionel Sambuc ret 48f14fb602SLionel Sambuc1: 49f14fb602SLionel Sambuc decl %eax 50f14fb602SLionel Sambuc ret 51*0a6a1f1dSLionel SambucEND(memcmp) 52