1 /* Copyright 1995, 1996, 1998, 1999, 2000, 200 !! 1 /* SPDX-License-Identifier: GPL-2.0 */
2 Free Software Foundation, Inc. !! 2 /*
3 !! 3 * ashldi3.S: GCC emits these for certain drivers playing
4 This file is free software; you can redistribu !! 4 * with long longs.
5 under the terms of the GNU General Public Lice !! 5 *
6 Free Software Foundation; either version 2, or !! 6 * Copyright (C) 1999 David S. Miller (davem@redhat.com)
7 later version. !! 7 */
8 <<
9 In addition to the permissions in the GNU Gene <<
10 Free Software Foundation gives you unlimited p <<
11 compiled version of this file into combination <<
12 and to distribute those combinations without a <<
13 from the use of this file. (The General Publi <<
14 do apply in other respects; for example, they <<
15 the file, and distribution when not linked int <<
16 executable.) <<
17 <<
18 This file is distributed in the hope that it w <<
19 WITHOUT ANY WARRANTY; without even the implied <<
20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PU <<
21 General Public License for more details. <<
22 <<
23 You should have received a copy of the GNU Gen <<
24 along with this program; see the file COPYING. <<
25 the Free Software Foundation, 51 Franklin Stre <<
26 Boston, MA 02110-1301, USA. */ <<
27 <<
28 8
>> 9 #include <linux/export.h>
29 #include <linux/linkage.h> 10 #include <linux/linkage.h>
30 #include <asm/assembler.h> <<
31 <<
32 #ifdef __ARMEB__ <<
33 #define al r1 <<
34 #define ah r0 <<
35 #else <<
36 #define al r0 <<
37 #define ah r1 <<
38 #endif <<
39 11
>> 12 .text
40 ENTRY(__ashldi3) 13 ENTRY(__ashldi3)
41 ENTRY(__aeabi_llsl) !! 14 cmp %o2, 0
42 !! 15 be 9f
43 subs r3, r2, #32 !! 16 mov 0x20, %g2
44 rsb ip, r2, #32 !! 17
45 movmi ah, ah, lsl r2 !! 18 sub %g2, %o2, %g2
46 movpl ah, al, lsl r3 !! 19 cmp %g2, 0
47 ARM( orrmi ah, ah, al, lsr ip ) !! 20 bg 7f
48 THUMB( lsrmi r3, al, ip ) !! 21 sll %o0, %o2, %g3
49 THUMB( orrmi ah, ah, r3 ) !! 22
50 mov al, al, lsl r2 !! 23 neg %g2
51 ret lr !! 24 clr %o5
52 !! 25 b 8f
>> 26 sll %o1, %g2, %o4
>> 27 7:
>> 28 srl %o1, %g2, %g2
>> 29 sll %o1, %o2, %o5
>> 30 or %g3, %g2, %o4
>> 31 8:
>> 32 mov %o4, %o0
>> 33 mov %o5, %o1
>> 34 9:
>> 35 retl
>> 36 nop
53 ENDPROC(__ashldi3) 37 ENDPROC(__ashldi3)
54 ENDPROC(__aeabi_llsl) !! 38 EXPORT_SYMBOL(__ashldi3)
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.