1 /* SPDX-License-Identifier: GPL-2.0 */ <<
2 /* 1 /*
3 * ashldi3.S: GCC emits these for certain dr 2 * ashldi3.S: GCC emits these for certain drivers playing
4 * with long longs. 3 * with long longs.
5 * 4 *
6 * Copyright (C) 1999 David S. Miller (davem@r 5 * Copyright (C) 1999 David S. Miller (davem@redhat.com)
7 */ 6 */
8 7
9 #include <linux/export.h> <<
10 #include <linux/linkage.h> 8 #include <linux/linkage.h>
>> 9 #include <asm/export.h>
11 10
12 .text 11 .text
13 ENTRY(__ashldi3) 12 ENTRY(__ashldi3)
14 cmp %o2, 0 13 cmp %o2, 0
15 be 9f 14 be 9f
16 mov 0x20, %g2 15 mov 0x20, %g2
17 16
18 sub %g2, %o2, %g2 17 sub %g2, %o2, %g2
19 cmp %g2, 0 18 cmp %g2, 0
20 bg 7f 19 bg 7f
21 sll %o0, %o2, %g3 20 sll %o0, %o2, %g3
22 21
23 neg %g2 22 neg %g2
24 clr %o5 23 clr %o5
25 b 8f 24 b 8f
26 sll %o1, %g2, %o4 25 sll %o1, %g2, %o4
27 7: 26 7:
28 srl %o1, %g2, %g2 27 srl %o1, %g2, %g2
29 sll %o1, %o2, %o5 28 sll %o1, %o2, %o5
30 or %g3, %g2, %o4 29 or %g3, %g2, %o4
31 8: 30 8:
32 mov %o4, %o0 31 mov %o4, %o0
33 mov %o5, %o1 32 mov %o5, %o1
34 9: 33 9:
35 retl 34 retl
36 nop 35 nop
37 ENDPROC(__ashldi3) 36 ENDPROC(__ashldi3)
38 EXPORT_SYMBOL(__ashldi3) 37 EXPORT_SYMBOL(__ashldi3)
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