1/*	$NetBSD: muldi3.s,v 1.6 2001/03/02 16:43:26 mhitch Exp $ */
2
3/*-
4 * Copyright (c) 1996 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Ignatios Souvatzis.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31#include <machine/asm.h>
32
33ENTRY_NOPROFILE(__muldi3)
34	movml %d2/%d3/%d4/%d5/%d6,%sp@-	| 0..4 regs, 5 %pc, 6..9 parameters
35	movml %sp@(24),%d2-%d5
36|	movl %sp@(24),%d2
37|	movl %sp@(28),%d3
38|	movl %sp@(32),%d4
39|	movl %sp@(36),%d5
40	movq #0,%d0
41	movq #0,%d1
42	movq #63,%d6
43L4:
44	asrl #1,%d2
45	roxrl #1,%d3
46	jcc L5
47	addl %d5,%d1
48	addxl %d4,%d0
49L5:
50	addl %d5,%d5
51	addxl %d4,%d4
52L7:
53	dbra %d6,L4
54	movml %sp@+,%d2/%d3/%d4/%d5/%d6
55	rts
56