1 | /* Install given floating-point control modes. SPARC version. |
2 | Copyright (C) 2016-2024 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.h> |
20 | #include <fenv_private.h> |
21 | #include <fpu_control.h> |
22 | |
23 | #define FPU_CONTROL_BITS 0xcfc00000UL |
24 | |
25 | int |
26 | fesetmode (const femode_t *modep) |
27 | { |
28 | femode_t fsr; |
29 | |
30 | __fenv_stfsr (fsr); |
31 | fsr &= ~FPU_CONTROL_BITS; |
32 | if (modep == FE_DFL_MODE) |
33 | fsr |= _FPU_DEFAULT; |
34 | else |
35 | fsr |= *modep & FPU_CONTROL_BITS; |
36 | __fenv_ldfsr (fsr); |
37 | |
38 | return 0; |
39 | } |
40 | |