[LV-k25-commit] kernel-2.5/arch/vax/lib udiv.S,NONE,1.1 urem.S,NONE,1.1 udiv.c,1.1,NONE urem.c,1.1,NONE

[Kenn H. <ke...@us...>]

Update of /cvsroot/linux-vax/kernel-2.5/arch/vax/lib
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv32049

Added Files:
	udiv.S urem.S 
Removed Files:
	udiv.c urem.c 
Log Message:
Use NetBSD's implementations of __udiv and __urem


--- urem.c DELETED ---

--- NEW FILE: urem.S ---
/*	$NetBSD: urem.S,v 1.3 2003/08/07 16:32:24 agc Exp $	*/

/*-
 * Copyright (c) 1991 The Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Donn Seeley at UUNET Technologies, Inc.
 *
 * 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. 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.
 *
 *	@(#)urem.s      5.6 (Berkeley) 4/15/91
 */

/*
 * Modified for Linux/VAX - Kenn Humborg 2005-05-26
 */

#include <linux/linkage.h>

/*
 * Unsigned modulus, PCC flavor.
 * urem() takes an ordinary dividend/divisor pair;
 */

#define	DIVIDEND	4(%ap)
#define	DIVISOR		8(%ap)

ENTRY(__urem)
	.word	0x02		# save R2
	movl	8(%ap),%r2
	jlss	Leasy		# big divisor: settle by comparison
	movl	4(%ap),%r0
	jlss	Lhard		# big dividend: need extended division
	divl3	%r2,%r0,%r1	# small divisor and dividend: signed modulus
	mull2	%r2,%r1
	subl2	%r1,%r0
	ret
Lhard:
	clrl	%r1
	ediv	%r2,%r0,%r1,%r0
	ret
Leasy:
	subl3	%r2,DIVIDEND,%r0
	jcc	Ldifference	# if divisor goes in once, return difference
	movl	DIVIDEND,%r0	# if divisor is bigger, return dividend
Ldifference:
	ret

--- NEW FILE: udiv.S ---
/*	$NetBSD: udiv.S,v 1.3 2003/08/07 16:32:24 agc Exp $	*/

/*-
 * Copyright (c) 1991 The Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Donn Seeley at UUNET Technologies, Inc.
 *
 * 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. 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.
 *
 *	@(#)udiv.s      5.6 (Berkeley) 4/15/91
 */

/*
 * Modified for Linux/VAX - Kenn Humborg 2005-05-26
 */

#include <linux/linkage.h>

/*
 * Unsigned division, PCC flavor.
 * udiv() takes an ordinary dividend/divisor pair;
 */


#define	DIVIDEND	4(%ap)
#define	DIVISOR		8(%ap)

ENTRY(__udiv)
	.word	0x02		# save R2
	movl	DIVISOR,%r2
	jlss	Leasy		# big divisor: settle by comparison
	movl	DIVIDEND,%r0
	jlss	Lhard		# big dividend: extended division
	divl2	%r2,%r0		# small divisor and dividend: signed division
	ret
Lhard:
	clrl	%r1
	ediv	%r2,%r0,%r0,%r1
	ret
Leasy:
	cmpl	DIVIDEND,%r2
	jgequ	Lone		# if dividend is as big or bigger, return 1
	clrl	%r0		# else return 0
	ret
Lone:
	movl	$1,%r0
	ret

--- udiv.c DELETED ---