1 | /* Set given exception flags. PowerPC version. |
2 | Copyright (C) 2016-2022 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; if not, see |
17 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #include <fenv_libc.h> |
20 | |
21 | int |
22 | fesetexcept (int excepts) |
23 | { |
24 | fenv_union_t u, n; |
25 | |
26 | u.fenv = fegetenv_register (); |
27 | n.l = (u.l |
28 | | (excepts & FPSCR_STICKY_BITS) |
29 | /* Turn FE_INVALID into FE_INVALID_SOFTWARE. */ |
30 | | (excepts >> ((31 - FPSCR_VX) - (31 - FPSCR_VXSOFT)) |
31 | & FE_INVALID_SOFTWARE)); |
32 | if (n.l != u.l) |
33 | { |
34 | fesetenv_register (n.fenv); |
35 | |
36 | /* Deal with FE_INVALID_SOFTWARE not being implemented on some chips. */ |
37 | if (excepts & FE_INVALID) |
38 | feraiseexcept (FE_INVALID); |
39 | } |
40 | |
41 | return 0; |
42 | } |
43 | |