xref: /linux/arch/xtensa/lib/lshrdi3.S (revision f85f5ae45ad945270a8884261de8249431e8b5a6)
1/* SPDX-License-Identifier: GPL-2.0-or-later WITH GCC-exception-2.0 */
2#include <linux/linkage.h>
3#include <asm/asmmacro.h>
4#include <asm/core.h>
5
6#ifdef __XTENSA_EB__
7#define uh a2
8#define ul a3
9#else
10#define uh a3
11#define ul a2
12#endif /* __XTENSA_EB__ */
13
14ENTRY(__lshrdi3)
15
16	abi_entry_default
17	ssr	a4
18	bgei	a4, 32, .Lhigh_only
19	src	ul, uh, ul
20	srl	uh, uh
21	abi_ret_default
22
23.Lhigh_only:
24	srl	ul, uh
25	movi	uh, 0
26	abi_ret_default
27
28ENDPROC(__lshrdi3)
29EXPORT_SYMBOL(__lshrdi3)
30