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1396c647 | 1 | /* Install given floating-point control modes. AArch64 version. |
04277e02 | 2 | Copyright (C) 2016-2019 Free Software Foundation, Inc. |
1396c647 JM |
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 | |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
1396c647 JM |
18 | |
19 | #include <fenv.h> | |
20 | #include <fpu_control.h> | |
21 | ||
22 | int | |
23 | fesetmode (const femode_t *modep) | |
24 | { | |
25 | fpu_control_t fpcr, fpcr_new; | |
26 | _FPU_GETCW (fpcr); | |
27 | if (modep == FE_DFL_MODE) | |
28 | fpcr_new = (fpcr & _FPU_RESERVED) | _FPU_DEFAULT; | |
29 | else | |
30 | fpcr_new = *modep; | |
31 | if (fpcr != fpcr_new) | |
32 | _FPU_SETCW (fpcr_new); | |
33 | return 0; | |
34 | } |