xref: /openbmc/linux/arch/sparc/lib/muldi3.S (revision 3213486f)
1/* Copyright (C) 1989, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
2
3This file is part of GNU CC.
4
5GNU CC is free software; you can redistribute it and/or modify
6it under the terms of the GNU General Public License as published by
7the Free Software Foundation; either version 2, or (at your option)
8any later version.
9
10GNU CC is distributed in the hope that it will be useful,
11but WITHOUT ANY WARRANTY; without even the implied warranty of
12MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13GNU General Public License for more details.
14
15You should have received a copy of the GNU General Public License
16along with GNU CC; see the file COPYING.  If not, write to
17the Free Software Foundation, 59 Temple Place - Suite 330,
18Boston, MA 02111-1307, USA.  */
19
20#include <asm/export.h>
21	.text
22	.align 4
23	.globl __muldi3
24__muldi3:
25	save  %sp, -104, %sp
26	wr  %g0, %i1, %y
27	sra  %i3, 0x1f, %g2
28	and  %i1, %g2, %g2
29	andcc  %g0, 0, %g1
30	mulscc  %g1, %i3, %g1
31	mulscc  %g1, %i3, %g1
32	mulscc  %g1, %i3, %g1
33	mulscc  %g1, %i3, %g1
34	mulscc  %g1, %i3, %g1
35	mulscc  %g1, %i3, %g1
36	mulscc  %g1, %i3, %g1
37	mulscc  %g1, %i3, %g1
38	mulscc  %g1, %i3, %g1
39	mulscc  %g1, %i3, %g1
40	mulscc  %g1, %i3, %g1
41	mulscc  %g1, %i3, %g1
42	mulscc  %g1, %i3, %g1
43	mulscc  %g1, %i3, %g1
44	mulscc  %g1, %i3, %g1
45	mulscc  %g1, %i3, %g1
46	mulscc  %g1, %i3, %g1
47	mulscc  %g1, %i3, %g1
48	mulscc  %g1, %i3, %g1
49	mulscc  %g1, %i3, %g1
50	mulscc  %g1, %i3, %g1
51	mulscc  %g1, %i3, %g1
52	mulscc  %g1, %i3, %g1
53	mulscc  %g1, %i3, %g1
54	mulscc  %g1, %i3, %g1
55	mulscc  %g1, %i3, %g1
56	mulscc  %g1, %i3, %g1
57	mulscc  %g1, %i3, %g1
58	mulscc  %g1, %i3, %g1
59	mulscc  %g1, %i3, %g1
60	mulscc  %g1, %i3, %g1
61	mulscc  %g1, %i3, %g1
62	mulscc  %g1, 0, %g1
63	add  %g1, %g2, %l2
64	rd  %y, %o1
65	mov  %o1, %l3
66	mov  %i1, %o0
67	mov  %i2, %o1
68	umul %o0, %o1, %o0
69	mov  %o0, %l0
70	mov  %i0, %o0
71	mov  %i3, %o1
72	umul %o0, %o1, %o0
73	add  %l0, %o0, %l0
74	mov  %l2, %i0
75	add  %l2, %l0, %i0
76	ret
77	restore  %g0, %l3, %o1
78EXPORT_SYMBOL(__muldi3)
79