projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 1f0502d3 KB |
1 | /* |
| 2 | * Copyright (c) 1986 Regents of the University of California. | |
| 3 | * All rights reserved. | |
| 4 | * | |
| 5 | * This code is derived from software contributed to Berkeley by | |
| 6 | * Computer Consoles Inc. | |
| 7 | * | |
| 019bea33 | 8 | * %sccs.include.redist.c% |
| 1f0502d3 KB |
9 | */ |
| 10 | ||
| 11 | #if defined(SYSLIBC_SCCS) && !defined(lint) | |
| 019bea33 | 12 | .asciz "@(#)sfp_exp.s 1.3 (Berkeley) %G%" |
| 1f0502d3 | 13 | #endif /* SYSLIBC_SCCS and not lint */ |
| 4abc7e45 SL |
14 | |
| 15 | #include <tahoemath/fp.h> | |
| 16 | #include "DEFS.h" | |
| 17 | ||
| 18 | /* | |
| 19 | * Reserved floating point operand. | |
| 20 | */ | |
| 21 | ASENTRY(sfpresop, 0) | |
| 22 | movl $0xaaaaaaaa,r0 | |
| 23 | clrl r1 | |
| 24 | ret | |
| 25 | ||
| 26 | /* | |
| 27 | * Floating point overflow. | |
| 28 | */ | |
| 29 | ASENTRY(sfpover, 0) | |
| 30 | movl $HUGE0,r0 | |
| 31 | clrl r1 | |
| 32 | ret | |
| 33 | ||
| 34 | /* | |
| 35 | * Floating point underflow. | |
| 36 | */ | |
| 37 | ASENTRY(sfpunder, 0) | |
| 38 | clrl r0 | |
| 39 | clrl r1 | |
| 40 | ret | |
| 41 | ||
| 42 | /* | |
| 43 | * Floating point division by zero. | |
| 44 | */ | |
| 45 | ASENTRY(sfpzdiv, 0) | |
| 46 | divl2 $0,r0 # force division by zero. | |
| 47 | ret |