1 /* Copyright 1995, 1996, 1998, 1999, 2000, 200 !! 1 /* $Id: ashrdi3.S,v 1.4 1999/11/19 04:11:49 davem Exp $
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. !! 7
8 !! 8 #include <asm/cprefix.h>
9 In addition to the permissions in the GNU Gene !! 9
10 Free Software Foundation gives you unlimited p !! 10 .text
11 compiled version of this file into combination !! 11 .align 4
12 and to distribute those combinations without a !! 12 .globl C_LABEL(__ashrdi3)
13 from the use of this file. (The General Publi !! 13 C_LABEL(__ashrdi3):
14 do apply in other respects; for example, they !! 14 tst %o2
15 the file, and distribution when not linked int !! 15 be 3f
16 executable.) !! 16 or %g0, 32, %g2
17 !! 17
18 This file is distributed in the hope that it w !! 18 sub %g2, %o2, %g2
19 WITHOUT ANY WARRANTY; without even the implied !! 19
20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PU !! 20 tst %g2
21 General Public License for more details. !! 21 bg 1f
22 !! 22 sra %o0, %o2, %o4
23 You should have received a copy of the GNU Gen !! 23
24 along with this program; see the file COPYING. !! 24 sra %o0, 31, %o4
25 the Free Software Foundation, 51 Franklin Stre !! 25 sub %g0, %g2, %g2
26 Boston, MA 02110-1301, USA. */ !! 26 ba 2f
27 !! 27 sra %o0, %g2, %o5
28 !! 28
29 #include <linux/linkage.h> !! 29 1:
30 #include <asm/assembler.h> !! 30 sll %o0, %g2, %g3
31 !! 31 srl %o1, %o2, %g2
32 #ifdef __ARMEB__ !! 32 or %g2, %g3, %o5
33 #define al r1 !! 33 2:
34 #define ah r0 !! 34 or %g0, %o4, %o0
35 #else !! 35 or %g0, %o5, %o1
36 #define al r0 !! 36 3:
37 #define ah r1 !! 37 jmpl %o7 + 8, %g0
38 #endif !! 38 nop
39 <<
40 ENTRY(__ashrdi3) <<
41 ENTRY(__aeabi_lasr) <<
42 <<
43 subs r3, r2, #32 <<
44 rsb ip, r2, #32 <<
45 movmi al, al, lsr r2 <<
46 movpl al, ah, asr r3 <<
47 ARM( orrmi al, al, ah, lsl ip ) <<
48 THUMB( lslmi r3, ah, ip ) <<
49 THUMB( orrmi al, al, r3 ) <<
50 mov ah, ah, asr r2 <<
51 ret lr <<
52 <<
53 ENDPROC(__ashrdi3) <<
54 ENDPROC(__aeabi_lasr) <<
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