| xf.li | bfc6e71 | 2025-02-07 01:54:34 -0800 | [diff] [blame^] | 1 | /* Get enabled floating-point exceptions. |
| 2 | Copyright (C) 2000-2016 Free Software Foundation, Inc. |
| 3 | This file is part of the GNU C Library. |
| 4 | Contributed by David Huggins-Daines <dhd@debian.org>, 2000 |
| 5 | |
| 6 | The GNU C Library is free software; you can redistribute it and/or |
| 7 | modify it under the terms of the GNU Lesser General Public |
| 8 | License as published by the Free Software Foundation; either |
| 9 | version 2.1 of the License, or (at your option) any later version. |
| 10 | |
| 11 | The GNU C Library is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | Lesser General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU Lesser General Public |
| 17 | License along with the GNU C Library. If not, see |
| 18 | <http://www.gnu.org/licenses/>. */ |
| 19 | |
| 20 | #include <fenv.h> |
| 21 | |
| 22 | int |
| 23 | fegetexcept (void) |
| 24 | { |
| 25 | union { unsigned long long l; unsigned int sw[2]; } s; |
| 26 | |
| 27 | /* Get the current status word. */ |
| 28 | __asm__ ("fstd %%fr0,0(%1) \n\t" |
| 29 | "fldd 0(%1),%%fr0 \n\t" |
| 30 | : "=m" (s.l) : "r" (&s.l) : "%r0"); |
| 31 | |
| 32 | return (s.sw[0] & FE_ALL_EXCEPT); |
| 33 | } |