projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 88278ca2 | 2 | /* |
| 1da177e4 LT |
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 | ||
| 8695c37d | 9 | #include <linux/linkage.h> |
| d3867f04 | 10 | #include <asm/export.h> |
| 8695c37d | 11 | |
| 1da177e4 | 12 | .text |
| 8695c37d | 13 | ENTRY(__ashrdi3) |
| 1da177e4 LT |
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 | |
| 8695c37d | 39 | ENDPROC(__ashrdi3) |
| d3867f04 | 40 | EXPORT_SYMBOL(__ashrdi3) |