Root/arch/sparc/lib/muldi3.S

Source at commit 0de2b2b3be81048189a32f7a3d3ba0ba9ec817b6 created 11 years 11 months ago.
By Maarten ter Huurne, MIPS: JZ4740: Fixed value for round robin constant.
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    call .umul
67    mov %i2, %o1
68    mov %o0, %l0
69    mov %i0, %o0
70    call .umul
71    mov %i3, %o1
72    add %l0, %o0, %l0
73    mov %l2, %i0
74    add %l2, %l0, %i0
75    ret
76    restore %g0, %l3, %o1
77

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