1 /* SPDX-License-Identifier: GPL-2.0-or-later W !! 1 /*
2 #include <linux/linkage.h> !! 2 * ashrdi3.S: The filesystem code creates all kinds of references to
3 #include <asm/asmmacro.h> !! 3 * this little routine on the sparc with gcc.
4 #include <asm/core.h> !! 4 *
>> 5 * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
>> 6 */
5 7
6 #ifdef __XTENSA_EB__ !! 8 #include <linux/linkage.h>
7 #define uh a2 <<
8 #define ul a3 <<
9 #else <<
10 #define uh a3 <<
11 #define ul a2 <<
12 #endif /* __XTENSA_EB__ */ <<
13 9
>> 10 .text
14 ENTRY(__ashrdi3) 11 ENTRY(__ashrdi3)
>> 12 tst %o2
>> 13 be 3f
>> 14 or %g0, 32, %g2
>> 15
>> 16 sub %g2, %o2, %g2
>> 17
>> 18 tst %g2
>> 19 bg 1f
>> 20 sra %o0, %o2, %o4
15 21
16 abi_entry_default !! 22 sra %o0, 31, %o4
17 ssr a4 !! 23 sub %g0, %g2, %g2
18 bgei a4, 32, .Lhigh_only !! 24 ba 2f
19 src ul, uh, ul !! 25 sra %o0, %g2, %o5
20 sra uh, uh <<
21 abi_ret_default <<
22 <<
23 .Lhigh_only: <<
24 sra ul, uh <<
25 srai uh, uh, 31 <<
26 abi_ret_default <<
27 26
>> 27 1:
>> 28 sll %o0, %g2, %g3
>> 29 srl %o1, %o2, %g2
>> 30 or %g2, %g3, %o5
>> 31 2:
>> 32 or %g0, %o4, %o0
>> 33 or %g0, %o5, %o1
>> 34 3:
>> 35 jmpl %o7 + 8, %g0
>> 36 nop
28 ENDPROC(__ashrdi3) 37 ENDPROC(__ashrdi3)
29 EXPORT_SYMBOL(__ashrdi3) <<
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.