| /* 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> |
| |
| 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) |
| |
| 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) |
| |
| 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) |