xref: /linux/arch/xtensa/lib/bswapdi2.S (revision bd10acae08aeb9cd2f555acdbacb98b9fbb02a27)
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
6ENTRY(__bswapdi2)
7
8	abi_entry_default
9	ssai	8
10	srli	a4, a2, 16
11	src	a4, a4, a2
12	src	a4, a4, a4
13	src	a4, a2, a4
14	srli	a2, a3, 16
15	src	a2, a2, a3
16	src	a2, a2, a2
17	src	a2, a3, a2
18	mov	a3, a4
19	abi_ret_default
20
21ENDPROC(__bswapdi2)
22EXPORT_SYMBOL(__bswapdi2)
23