1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * ashldi3.S: GCC emits these for certain drivers playing
4 * with long longs.
5 *
6 * Copyright (C) 1999 David S. Miller (davem@redhat.com)
7 */
8
9#include <linux/export.h>
10#include <linux/linkage.h>
11
12 .text
13ENTRY(__ashldi3)
14 cmp %o2, 0
15 be 9f
16 mov 0x20, %g2
17
18 sub %g2, %o2, %g2
19 cmp %g2, 0
20 bg 7f
21 sll %o0, %o2, %g3
22
23 neg %g2
24 clr %o5
25 b 8f
26 sll %o1, %g2, %o4
277:
28 srl %o1, %g2, %g2
29 sll %o1, %o2, %o5
30 or %g3, %g2, %o4
318:
32 mov %o4, %o0
33 mov %o5, %o1
349:
35 retl
36 nop
37ENDPROC(__ashldi3)
38EXPORT_SYMBOL(__ashldi3)
39

source code of linux/arch/sparc/lib/ashldi3.S