| Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| Adrian Bunk | 88278ca | 2008-05-19 16:53:02 -0700 | [diff] [blame] | 2 | /* |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3 | * ashrdi3.S: The filesystem code creates all kinds of references to |
| 4 | * this little routine on the sparc with gcc. |
| 5 | * |
| 6 | * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) |
| 7 | */ |
| 8 | |
| David S. Miller | 8695c37 | 2012-05-11 20:33:22 -0700 | [diff] [blame] | 9 | #include <linux/linkage.h> |
| Al Viro | d3867f04 | 2016-01-16 21:39:30 -0500 | [diff] [blame] | 10 | #include <asm/export.h> |
| David S. Miller | 8695c37 | 2012-05-11 20:33:22 -0700 | [diff] [blame] | 11 | |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 12 | .text |
| David S. Miller | 8695c37 | 2012-05-11 20:33:22 -0700 | [diff] [blame] | 13 | ENTRY(__ashrdi3) |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 14 | tst %o2 |
| 15 | be 3f |
| 16 | or %g0, 32, %g2 |
| 17 | |
| 18 | sub %g2, %o2, %g2 |
| 19 | |
| 20 | tst %g2 |
| 21 | bg 1f |
| 22 | sra %o0, %o2, %o4 |
| 23 | |
| 24 | sra %o0, 31, %o4 |
| 25 | sub %g0, %g2, %g2 |
| 26 | ba 2f |
| 27 | sra %o0, %g2, %o5 |
| 28 | |
| 29 | 1: |
| 30 | sll %o0, %g2, %g3 |
| 31 | srl %o1, %o2, %g2 |
| 32 | or %g2, %g3, %o5 |
| 33 | 2: |
| 34 | or %g0, %o4, %o0 |
| 35 | or %g0, %o5, %o1 |
| 36 | 3: |
| 37 | jmpl %o7 + 8, %g0 |
| 38 | nop |
| David S. Miller | 8695c37 | 2012-05-11 20:33:22 -0700 | [diff] [blame] | 39 | ENDPROC(__ashrdi3) |
| Al Viro | d3867f04 | 2016-01-16 21:39:30 -0500 | [diff] [blame] | 40 | EXPORT_SYMBOL(__ashrdi3) |