1 /* Copyright 1995, 1996, 1998, 1999, 2000, 200 !! 1 /*
2 Free Software Foundation, Inc. !! 2 * ashrdi3.S: The filesystem code creates all kinds of references to
3 !! 3 * this little routine on the sparc with gcc.
4 This file is free software; you can redistribu !! 4 *
5 under the terms of the GNU General Public Lice !! 5 * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
6 Free Software Foundation; either version 2, or !! 6 */
7 later version. <<
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 7
29 #include <linux/linkage.h> 8 #include <linux/linkage.h>
30 #include <asm/assembler.h> !! 9 #include <asm/export.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 10
>> 11 .text
40 ENTRY(__ashrdi3) 12 ENTRY(__ashrdi3)
41 ENTRY(__aeabi_lasr) !! 13 tst %o2
42 !! 14 be 3f
43 subs r3, r2, #32 !! 15 or %g0, 32, %g2
44 rsb ip, r2, #32 !! 16
45 movmi al, al, lsr r2 !! 17 sub %g2, %o2, %g2
46 movpl al, ah, asr r3 !! 18
47 ARM( orrmi al, al, ah, lsl ip ) !! 19 tst %g2
48 THUMB( lslmi r3, ah, ip ) !! 20 bg 1f
49 THUMB( orrmi al, al, r3 ) !! 21 sra %o0, %o2, %o4
50 mov ah, ah, asr r2 !! 22
51 ret lr !! 23 sra %o0, 31, %o4
52 !! 24 sub %g0, %g2, %g2
>> 25 ba 2f
>> 26 sra %o0, %g2, %o5
>> 27
>> 28 1:
>> 29 sll %o0, %g2, %g3
>> 30 srl %o1, %o2, %g2
>> 31 or %g2, %g3, %o5
>> 32 2:
>> 33 or %g0, %o4, %o0
>> 34 or %g0, %o5, %o1
>> 35 3:
>> 36 jmpl %o7 + 8, %g0
>> 37 nop
53 ENDPROC(__ashrdi3) 38 ENDPROC(__ashrdi3)
54 ENDPROC(__aeabi_lasr) !! 39 EXPORT_SYMBOL(__ashrdi3)
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