Files
cubelinux-kernel/arch/arm64/lib/tishift.S
T
Greg Kroah-Hartman 598cf27219 Linux 6.19.3
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Brett A C Sheffield <bacs@librecast.net>
Tested-by: Mark Brown <broonie@kernel.org>
Tested-by: Luna Jernberg <droidbittin@gmail.com>
Tested-by: Ronald Warsow <rwarsow@gmx.de>
Tested-by: Justin M. Forbes <jforbes@fedoraproject.org>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-02-19 16:33:27 +01:00

75 lines
1.0 KiB
ArmAsm

/* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
*
* Copyright (C) 2017-2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
*/
#include <linux/linkage.h>
#include <asm/assembler.h>
SYM_FUNC_START(__ashlti3)
cbz x2, 1f
mov x3, #64
sub x3, x3, x2
cmp x3, #0
b.le 2f
lsl x1, x1, x2
lsr x3, x0, x3
lsl x2, x0, x2
orr x1, x1, x3
mov x0, x2
1:
ret
2:
neg w1, w3
mov x2, #0
lsl x1, x0, x1
mov x0, x2
ret
SYM_FUNC_END(__ashlti3)
EXPORT_SYMBOL(__ashlti3)
SYM_FUNC_START(__ashrti3)
cbz x2, 1f
mov x3, #64
sub x3, x3, x2
cmp x3, #0
b.le 2f
lsr x0, x0, x2
lsl x3, x1, x3
asr x2, x1, x2
orr x0, x0, x3
mov x1, x2
1:
ret
2:
neg w0, w3
asr x2, x1, #63
asr x0, x1, x0
mov x1, x2
ret
SYM_FUNC_END(__ashrti3)
EXPORT_SYMBOL(__ashrti3)
SYM_FUNC_START(__lshrti3)
cbz x2, 1f
mov x3, #64
sub x3, x3, x2
cmp x3, #0
b.le 2f
lsr x0, x0, x2
lsl x3, x1, x3
lsr x2, x1, x2
orr x0, x0, x3
mov x1, x2
1:
ret
2:
neg w0, w3
mov x2, #0
lsr x0, x1, x0
mov x1, x2
ret
SYM_FUNC_END(__lshrti3)
EXPORT_SYMBOL(__lshrti3)