skpc.S revision 1.1
11.1Sfvdl/* $NetBSD: skpc.S,v 1.1 2001/06/19 00:22:47 fvdl Exp $ */ 21.1Sfvdl 31.1Sfvdl/*- 41.1Sfvdl * Copyright (c) 1998 The NetBSD Foundation, Inc. 51.1Sfvdl * All rights reserved. 61.1Sfvdl * 71.1Sfvdl * This code is derived from software contributed to The NetBSD Foundation 81.1Sfvdl * by Charles M. Hannum. 91.1Sfvdl * 101.1Sfvdl * Redistribution and use in source and binary forms, with or without 111.1Sfvdl * modification, are permitted provided that the following conditions 121.1Sfvdl * are met: 131.1Sfvdl * 1. Redistributions of source code must retain the above copyright 141.1Sfvdl * notice, this list of conditions and the following disclaimer. 151.1Sfvdl * 2. Redistributions in binary form must reproduce the above copyright 161.1Sfvdl * notice, this list of conditions and the following disclaimer in the 171.1Sfvdl * documentation and/or other materials provided with the distribution. 181.1Sfvdl * 3. All advertising materials mentioning features or use of this software 191.1Sfvdl * must display the following acknowledgement: 201.1Sfvdl * This product includes software developed by the NetBSD 211.1Sfvdl * Foundation, Inc. and its contributors. 221.1Sfvdl * 4. Neither the name of The NetBSD Foundation nor the names of its 231.1Sfvdl * contributors may be used to endorse or promote products derived 241.1Sfvdl * from this software without specific prior written permission. 251.1Sfvdl * 261.1Sfvdl * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 271.1Sfvdl * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 281.1Sfvdl * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 291.1Sfvdl * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 301.1Sfvdl * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 311.1Sfvdl * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 321.1Sfvdl * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 331.1Sfvdl * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 341.1Sfvdl * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 351.1Sfvdl * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 361.1Sfvdl * POSSIBILITY OF SUCH DAMAGE. 371.1Sfvdl */ 381.1Sfvdl 391.1Sfvdl/* 401.1Sfvdl * Adapted for NetBSD/x86_64 by Frank van der Linden <fvdl@wasabisystems.com> 411.1Sfvdl */ 421.1Sfvdl 431.1Sfvdl#include <machine/asm.h> 441.1Sfvdl 451.1SfvdlENTRY(skpc) 461.1Sfvdl movl %edi,%eax 471.1Sfvdl movq %rsi,%rcx 481.1Sfvdl movq %rdx,%rdi 491.1Sfvdl cld 501.1Sfvdl repe 511.1Sfvdl scasb 521.1Sfvdl je 1f 531.1Sfvdl incq %rcx 541.1Sfvdl1: 551.1Sfvdl movl %ecx,%eax 561.1Sfvdl ret 57