1 | /* Wrapper for x86 bits/fenv.h for use when building glibc. |
2 | Copyright (C) 1997-2017 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 | <http://www.gnu.org/licenses/>. */ |
18 | |
19 | #ifndef _BITS_FENV_H |
20 | #include_next <bits/fenv.h> |
21 | |
22 | # ifndef _ISOMAC |
23 | |
24 | /* Ensure __feraiseexcept calls in glibc are optimized the same as |
25 | feraiseexcept calls. */ |
26 | |
27 | #ifdef __USE_EXTERN_INLINES |
28 | __BEGIN_DECLS |
29 | |
30 | extern int __REDIRECT_NTH (____feraiseexcept_renamed, (int), __feraiseexcept); |
31 | __extern_inline int |
32 | __NTH (__feraiseexcept (int __excepts)) |
33 | { |
34 | if (__builtin_constant_p (__excepts) |
35 | && (__excepts & ~(FE_INVALID | FE_DIVBYZERO)) == 0) |
36 | { |
37 | __feraiseexcept_invalid_divbyzero (__excepts); |
38 | return 0; |
39 | } |
40 | |
41 | return ____feraiseexcept_renamed (__excepts); |
42 | } |
43 | |
44 | __END_DECLS |
45 | #endif |
46 | |
47 | # endif /* _ISOMAC */ |
48 | #endif /* bits/fenv.h */ |
49 | |