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