| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* $Id: ashldi3.S,v 1.1 1998/04/06 16:09:28 jj Exp $ |
| 2 | * ashldi3.S: Math-emu code creates all kinds of references to |
| 3 | * this little routine on the sparc with gcc. |
| 4 | * |
| 5 | * Copyright (C) 1998 Jakub Jelinek(jj@ultra.linux.cz) |
| 6 | */ |
| 7 | |
| 8 | #include <asm/cprefix.h> |
| 9 | |
| 10 | .globl C_LABEL(__ashldi3) |
| 11 | C_LABEL(__ashldi3): |
| 12 | tst %o2 |
| 13 | be 3f |
| 14 | mov 32, %g2 |
| 15 | |
| 16 | sub %g2, %o2, %g2 |
| 17 | |
| 18 | tst %g2 |
| 19 | bg 1f |
| 20 | srl %o1, %g2, %g3 |
| 21 | |
| 22 | clr %o5 |
| 23 | neg %g2 |
| 24 | ba 2f |
| 25 | sll %o1, %g2, %o4 |
| 26 | |
| 27 | 1: |
| 28 | sll %o1, %o2, %o5 |
| 29 | srl %o0, %o2, %g2 |
| 30 | or %g2, %g3, %o4 |
| 31 | 2: |
| 32 | mov %o4, %o0 |
| 33 | mov %o5, %o1 |
| 34 | 3: |
| 35 | jmpl %o7 + 8, %g0 |
| 36 | nop |