projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 586c39b1 DF |
1 | /* |
| 2 | * Copyright (c) 1983 Regents of the University of California. | |
| 493b70ca KB |
3 | * All rights reserved. |
| 4 | * | |
| 019bea33 | 5 | * %sccs.include.redist.c% |
| 586c39b1 DF |
6 | */ |
| 7 | ||
| f4f66d2c | 8 | #if defined(LIBC_SCCS) && !defined(lint) |
| 019bea33 | 9 | .asciz "@(#)ffs.s 5.6 (Berkeley) %G%" |
| f4f66d2c | 10 | #endif /* LIBC_SCCS and not lint */ |
| 586c39b1 | 11 | |
| 69a7b8f8 SL |
12 | /* bit = ffs(value) */ |
| 13 | ||
| 14 | #include "DEFS.h" | |
| 15 | ||
| dadab5a2 | 16 | ENTRY(ffs, 0) |
| 69a7b8f8 SL |
17 | ffs $0,$32,4(ap),r0 |
| 18 | bneq 1f | |
| 19 | mnegl $1,r0 | |
| 20 | 1: | |
| 21 | incl r0 | |
| 22 | ret |