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/* 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>
ENTRY(__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
ENDPROC(__ashlti3)
EXPORT_SYMBOL(__ashlti3)
ENTRY(__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
ENDPROC(__ashrti3)
EXPORT_SYMBOL(__ashrti3)
ENTRY(__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
ENDPROC(__lshrti3)
EXPORT_SYMBOL(__lshrti3)
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