xref: /openbmc/linux/arch/sparc/lib/muldi3.S (revision 4f3db074)
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	.text
21	.align 4
22	.globl __muldi3
23__muldi3:
24	save  %sp, -104, %sp
25	wr  %g0, %i1, %y
26	sra  %i3, 0x1f, %g2
27	and  %i1, %g2, %g2
28	andcc  %g0, 0, %g1
29	mulscc  %g1, %i3, %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, 0, %g1
62	add  %g1, %g2, %l2
63	rd  %y, %o1
64	mov  %o1, %l3
65	mov  %i1, %o0
66	mov  %i2, %o1
67	umul %o0, %o1, %o0
68	mov  %o0, %l0
69	mov  %i0, %o0
70	mov  %i3, %o1
71	umul %o0, %o1, %o0
72	add  %l0, %o0, %l0
73	mov  %l2, %i0
74	add  %l2, %l0, %i0
75	ret
76	restore  %g0, %l3, %o1
77