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1/* SPDX-License-Identifier: GPL-2.0+ WITH GCC-exception-2.0
2
3 Copyright (C) 1994, 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
4 2004, 2005, 2006
5 Free Software Foundation, Inc.
6*/
7
8!! libgcc routines for the Renesas / SuperH SH CPUs.
9!! Contributed by Steve Chamberlain.
10!! sac@cygnus.com
11
12!! ashiftrt_r4_x, ___ashrsi3, ___ashlsi3, ___lshrsi3 routines
13!! recoded in assembly by Toshiyasu Morita
14!! tm@netcom.com
15
16/* SH2 optimizations for ___ashrsi3, ___ashlsi3, ___lshrsi3 and
17 ELF local label prefixes by J"orn Rennecke
18 amylaar@cygnus.com */
19
20!
21! __ashrsi3
22!
23! Entry:
24!
25! r4: Value to shift
26! r5: Shifts
27!
28! Exit:
29!
30! r0: Result
31!
32! Destroys:
33!
34! (none)
35!
36! __ashrsi3_r0
37!
38! Entry:
39!
40! r4: Value to shift
41! r0: Shifts
42!
43! Exit:
44!
45! r0: Result
46!
47! Destroys:
48!
49! (none)
50
51 .global __ashrsi3
52 .global __ashrsi3_r0
53
54 .align 2
55__ashrsi3:
56 mov r5,r0
57 .align 2
58__ashrsi3_r0:
59 and #31,r0
60 mov.l r4,@-r15
61 mov r0,r4
62 mova ashrsi3_table,r0
63 mov.b @(r0,r4),r4
64 add r4,r0
65 jmp @r0
66 mov.l @r15+,r0
67
68 .align 2
69ashrsi3_table:
70 .byte ashrsi3_0-ashrsi3_table
71 .byte ashrsi3_1-ashrsi3_table
72 .byte ashrsi3_2-ashrsi3_table
73 .byte ashrsi3_3-ashrsi3_table
74 .byte ashrsi3_4-ashrsi3_table
75 .byte ashrsi3_5-ashrsi3_table
76 .byte ashrsi3_6-ashrsi3_table
77 .byte ashrsi3_7-ashrsi3_table
78 .byte ashrsi3_8-ashrsi3_table
79 .byte ashrsi3_9-ashrsi3_table
80 .byte ashrsi3_10-ashrsi3_table
81 .byte ashrsi3_11-ashrsi3_table
82 .byte ashrsi3_12-ashrsi3_table
83 .byte ashrsi3_13-ashrsi3_table
84 .byte ashrsi3_14-ashrsi3_table
85 .byte ashrsi3_15-ashrsi3_table
86 .byte ashrsi3_16-ashrsi3_table
87 .byte ashrsi3_17-ashrsi3_table
88 .byte ashrsi3_18-ashrsi3_table
89 .byte ashrsi3_19-ashrsi3_table
90 .byte ashrsi3_20-ashrsi3_table
91 .byte ashrsi3_21-ashrsi3_table
92 .byte ashrsi3_22-ashrsi3_table
93 .byte ashrsi3_23-ashrsi3_table
94 .byte ashrsi3_24-ashrsi3_table
95 .byte ashrsi3_25-ashrsi3_table
96 .byte ashrsi3_26-ashrsi3_table
97 .byte ashrsi3_27-ashrsi3_table
98 .byte ashrsi3_28-ashrsi3_table
99 .byte ashrsi3_29-ashrsi3_table
100 .byte ashrsi3_30-ashrsi3_table
101 .byte ashrsi3_31-ashrsi3_table
102
103ashrsi3_31:
104 rotcl r0
105 rts
106 subc r0,r0
107
108ashrsi3_30:
109 shar r0
110ashrsi3_29:
111 shar r0
112ashrsi3_28:
113 shar r0
114ashrsi3_27:
115 shar r0
116ashrsi3_26:
117 shar r0
118ashrsi3_25:
119 shar r0
120ashrsi3_24:
121 shlr16 r0
122 shlr8 r0
123 rts
124 exts.b r0,r0
125
126ashrsi3_23:
127 shar r0
128ashrsi3_22:
129 shar r0
130ashrsi3_21:
131 shar r0
132ashrsi3_20:
133 shar r0
134ashrsi3_19:
135 shar r0
136ashrsi3_18:
137 shar r0
138ashrsi3_17:
139 shar r0
140ashrsi3_16:
141 shlr16 r0
142 rts
143 exts.w r0,r0
144
145ashrsi3_15:
146 shar r0
147ashrsi3_14:
148 shar r0
149ashrsi3_13:
150 shar r0
151ashrsi3_12:
152 shar r0
153ashrsi3_11:
154 shar r0
155ashrsi3_10:
156 shar r0
157ashrsi3_9:
158 shar r0
159ashrsi3_8:
160 shar r0
161ashrsi3_7:
162 shar r0
163ashrsi3_6:
164 shar r0
165ashrsi3_5:
166 shar r0
167ashrsi3_4:
168 shar r0
169ashrsi3_3:
170 shar r0
171ashrsi3_2:
172 shar r0
173ashrsi3_1:
174 rts
175 shar r0
176
177ashrsi3_0:
178 rts
179 nop
1/* Copyright (C) 1994, 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
2 2004, 2005, 2006
3 Free Software Foundation, Inc.
4
5This file is free software; you can redistribute it and/or modify it
6under the terms of the GNU General Public License as published by the
7Free Software Foundation; either version 2, or (at your option) any
8later version.
9
10In addition to the permissions in the GNU General Public License, the
11Free Software Foundation gives you unlimited permission to link the
12compiled version of this file into combinations with other programs,
13and to distribute those combinations without any restriction coming
14from the use of this file. (The General Public License restrictions
15do apply in other respects; for example, they cover modification of
16the file, and distribution when not linked into a combine
17executable.)
18
19This file is distributed in the hope that it will be useful, but
20WITHOUT ANY WARRANTY; without even the implied warranty of
21MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22General Public License for more details.
23
24You should have received a copy of the GNU General Public License
25along with this program; see the file COPYING. If not, write to
26the Free Software Foundation, 51 Franklin Street, Fifth Floor,
27Boston, MA 02110-1301, USA. */
28
29!! libgcc routines for the Renesas / SuperH SH CPUs.
30!! Contributed by Steve Chamberlain.
31!! sac@cygnus.com
32
33!! ashiftrt_r4_x, ___ashrsi3, ___ashlsi3, ___lshrsi3 routines
34!! recoded in assembly by Toshiyasu Morita
35!! tm@netcom.com
36
37/* SH2 optimizations for ___ashrsi3, ___ashlsi3, ___lshrsi3 and
38 ELF local label prefixes by J"orn Rennecke
39 amylaar@cygnus.com */
40
41!
42! __ashrsi3
43!
44! Entry:
45!
46! r4: Value to shift
47! r5: Shifts
48!
49! Exit:
50!
51! r0: Result
52!
53! Destroys:
54!
55! (none)
56!
57! __ashrsi3_r0
58!
59! Entry:
60!
61! r4: Value to shift
62! r0: Shifts
63!
64! Exit:
65!
66! r0: Result
67!
68! Destroys:
69!
70! (none)
71
72 .global __ashrsi3
73 .global __ashrsi3_r0
74
75 .align 2
76__ashrsi3:
77 mov r5,r0
78 .align 2
79__ashrsi3_r0:
80 and #31,r0
81 mov.l r4,@-r15
82 mov r0,r4
83 mova ashrsi3_table,r0
84 mov.b @(r0,r4),r4
85 add r4,r0
86 jmp @r0
87 mov.l @r15+,r0
88
89 .align 2
90ashrsi3_table:
91 .byte ashrsi3_0-ashrsi3_table
92 .byte ashrsi3_1-ashrsi3_table
93 .byte ashrsi3_2-ashrsi3_table
94 .byte ashrsi3_3-ashrsi3_table
95 .byte ashrsi3_4-ashrsi3_table
96 .byte ashrsi3_5-ashrsi3_table
97 .byte ashrsi3_6-ashrsi3_table
98 .byte ashrsi3_7-ashrsi3_table
99 .byte ashrsi3_8-ashrsi3_table
100 .byte ashrsi3_9-ashrsi3_table
101 .byte ashrsi3_10-ashrsi3_table
102 .byte ashrsi3_11-ashrsi3_table
103 .byte ashrsi3_12-ashrsi3_table
104 .byte ashrsi3_13-ashrsi3_table
105 .byte ashrsi3_14-ashrsi3_table
106 .byte ashrsi3_15-ashrsi3_table
107 .byte ashrsi3_16-ashrsi3_table
108 .byte ashrsi3_17-ashrsi3_table
109 .byte ashrsi3_18-ashrsi3_table
110 .byte ashrsi3_19-ashrsi3_table
111 .byte ashrsi3_20-ashrsi3_table
112 .byte ashrsi3_21-ashrsi3_table
113 .byte ashrsi3_22-ashrsi3_table
114 .byte ashrsi3_23-ashrsi3_table
115 .byte ashrsi3_24-ashrsi3_table
116 .byte ashrsi3_25-ashrsi3_table
117 .byte ashrsi3_26-ashrsi3_table
118 .byte ashrsi3_27-ashrsi3_table
119 .byte ashrsi3_28-ashrsi3_table
120 .byte ashrsi3_29-ashrsi3_table
121 .byte ashrsi3_30-ashrsi3_table
122 .byte ashrsi3_31-ashrsi3_table
123
124ashrsi3_31:
125 rotcl r0
126 rts
127 subc r0,r0
128
129ashrsi3_30:
130 shar r0
131ashrsi3_29:
132 shar r0
133ashrsi3_28:
134 shar r0
135ashrsi3_27:
136 shar r0
137ashrsi3_26:
138 shar r0
139ashrsi3_25:
140 shar r0
141ashrsi3_24:
142 shlr16 r0
143 shlr8 r0
144 rts
145 exts.b r0,r0
146
147ashrsi3_23:
148 shar r0
149ashrsi3_22:
150 shar r0
151ashrsi3_21:
152 shar r0
153ashrsi3_20:
154 shar r0
155ashrsi3_19:
156 shar r0
157ashrsi3_18:
158 shar r0
159ashrsi3_17:
160 shar r0
161ashrsi3_16:
162 shlr16 r0
163 rts
164 exts.w r0,r0
165
166ashrsi3_15:
167 shar r0
168ashrsi3_14:
169 shar r0
170ashrsi3_13:
171 shar r0
172ashrsi3_12:
173 shar r0
174ashrsi3_11:
175 shar r0
176ashrsi3_10:
177 shar r0
178ashrsi3_9:
179 shar r0
180ashrsi3_8:
181 shar r0
182ashrsi3_7:
183 shar r0
184ashrsi3_6:
185 shar r0
186ashrsi3_5:
187 shar r0
188ashrsi3_4:
189 shar r0
190ashrsi3_3:
191 shar r0
192ashrsi3_2:
193 shar r0
194ashrsi3_1:
195 rts
196 shar r0
197
198ashrsi3_0:
199 rts
200 nop