mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-09-21 20:22:13 +08:00
034f4a7877
gcc-13 may generate calls for __bswap{si,di}2. This breaks the kernel
build when optimization for size is selected. Add __bswap{si,di}2
helpers to fix that.
Cc: stable@vger.kernel.org
Fixes: 19c5699f9a ("xtensa: don't link with libgcc")
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
22 lines
373 B
ArmAsm
22 lines
373 B
ArmAsm
/* SPDX-License-Identifier: GPL-2.0-or-later WITH GCC-exception-2.0 */
|
|
#include <linux/linkage.h>
|
|
#include <asm/asmmacro.h>
|
|
#include <asm/core.h>
|
|
|
|
ENTRY(__bswapdi2)
|
|
|
|
abi_entry_default
|
|
ssai 8
|
|
srli a4, a2, 16
|
|
src a4, a4, a2
|
|
src a4, a4, a4
|
|
src a4, a2, a4
|
|
srli a2, a3, 16
|
|
src a2, a2, a3
|
|
src a2, a2, a2
|
|
src a2, a3, a2
|
|
mov a3, a4
|
|
abi_ret_default
|
|
|
|
ENDPROC(__bswapdi2)
|