machpats.c

早期freebsd实现

/*-
 * Copyright (c) 1984 The Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef lint
static char sccsid[] = "@(#)machpats.c	1.4 (Berkeley) 5/8/91";
#endif /* not lint */

#include "inline.h"

/*
 * Pattern table for special instructions.
 */
struct pats machine_ptab[] = {

	{ 3, "_blkcpy\n",
"	movl	(sp)+,r0\n\
	movl	(sp)+,r1\n\
	movl	(sp)+,r2\n\
	movblk\n" },

	{ 3, "_bcopy\n",
"	movl	(sp)+,r0\n\
	movl	(sp)+,r1\n\
	movl	(sp)+,r2\n\
	movblk\n" },

	{ 2, "_bzero\n",
"	movl	(sp)+,r1\n\
	movl	(sp)+,r2\n\
	movab	1f,r0\n\
	movs3\n\
	.data\n\
1:	.byte	0\n\
	.text\n" },

	{ 2, "_blkclr\n",
"	movl	(sp)+,r1\n\
	movl	(sp)+,r2\n\
	movab	1f,r0\n\
	movs3\n\
	.data\n\
1:	.byte	0\n\
	.text\n" },

	{ 0, "", "" }
};