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git.ipfire.org Git - thirdparty/glibc.git/blob - sysdeps/powerpc/fpu/fesetexcept.c
1 /* Set given exception flags. PowerPC version.
2 Copyright (C) 2016-2020 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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.
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.
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/>. */
19 #include <fenv_libc.h>
22 fesetexcept (int excepts
)
26 u
.fenv
= fegetenv_register ();
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
));
34 fesetenv_register (n
.fenv
);
36 /* Deal with FE_INVALID_SOFTWARE not being implemented on some chips. */
37 if (excepts
& FE_INVALID
)
38 feraiseexcept (FE_INVALID
);