]> git.ipfire.org Git - thirdparty/gcc.git/blame - libgcc/config/lm32/_lshrsi3.S
Update copyright years.
[thirdparty/gcc.git] / libgcc / config / lm32 / _lshrsi3.S
CommitLineData
aa4945c1
JB
1# _lshrsi3.S for Lattice Mico32
2# Contributed by Jon Beniston <jon@beniston.com> and Richard Henderson.
3#
8d9254fc 4# Copyright (C) 2009-2020 Free Software Foundation, Inc.
aa4945c1
JB
5#
6# This file is free software; you can redistribute it and/or modify it
7# under the terms of the GNU General Public License as published by the
8# Free Software Foundation; either version 3, or (at your option) any
9# later version.
10#
11# This file is distributed in the hope that it will be useful, but
12# WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14# General Public License for more details.
15#
16# Under Section 7 of GPL version 3, you are granted additional
17# permissions described in the GCC Runtime Library Exception, version
18# 3.1, as published by the Free Software Foundation.
19#
20# You should have received a copy of the GNU General Public License and
21# a copy of the GCC Runtime Library Exception along with this program;
22# see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
23# <http://www.gnu.org/licenses/>.
24#
25
26/* Logical right shift. */
27
28 .global __lshrsi3
29 .type __lshrsi3,@function
30
31__lshrsi3:
32 /* Only use 5 LSBs, as that's all the h/w shifter uses. */
33 andi r2, r2, 0x1f
34 /* Get address of offset into unrolled shift loop to jump to. */
35#ifdef __PIC__
36 lw r3, (gp+got(__lshrsi3_0))
37#else
38 mvhi r3, hi(__lshrsi3_0)
39 ori r3, r3, lo(__lshrsi3_0)
40#endif
41 add r2, r2, r2
42 add r2, r2, r2
43 sub r3, r3, r2
44 b r3
45
46__lshrsi3_31:
47 srui r1, r1, 1
48__lshrsi3_30:
49 srui r1, r1, 1
50__lshrsi3_29:
51 srui r1, r1, 1
52__lshrsi3_28:
53 srui r1, r1, 1
54__lshrsi3_27:
55 srui r1, r1, 1
56__lshrsi3_26:
57 srui r1, r1, 1
58__lshrsi3_25:
59 srui r1, r1, 1
60__lshrsi3_24:
61 srui r1, r1, 1
62__lshrsi3_23:
63 srui r1, r1, 1
64__lshrsi3_22:
65 srui r1, r1, 1
66__lshrsi3_21:
67 srui r1, r1, 1
68__lshrsi3_20:
69 srui r1, r1, 1
70__lshrsi3_19:
71 srui r1, r1, 1
72__lshrsi3_18:
73 srui r1, r1, 1
74__lshrsi3_17:
75 srui r1, r1, 1
76__lshrsi3_16:
77 srui r1, r1, 1
78__lshrsi3_15:
79 srui r1, r1, 1
80__lshrsi3_14:
81 srui r1, r1, 1
82__lshrsi3_13:
83 srui r1, r1, 1
84__lshrsi3_12:
85 srui r1, r1, 1
86__lshrsi3_11:
87 srui r1, r1, 1
88__lshrsi3_10:
89 srui r1, r1, 1
90__lshrsi3_9:
91 srui r1, r1, 1
92__lshrsi3_8:
93 srui r1, r1, 1
94__lshrsi3_7:
95 srui r1, r1, 1
96__lshrsi3_6:
97 srui r1, r1, 1
98__lshrsi3_5:
99 srui r1, r1, 1
100__lshrsi3_4:
101 srui r1, r1, 1
102__lshrsi3_3:
103 srui r1, r1, 1
104__lshrsi3_2:
105 srui r1, r1, 1
106__lshrsi3_1:
107 srui r1, r1, 1
108__lshrsi3_0:
109 ret