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b2284ad7 | 1 | /* Multiple versions of isnan. |
d4697bc9 | 2 | Copyright (C) 2013-2014 Free Software Foundation, Inc. |
b2284ad7 AZ |
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 | #include <math.h> | |
20 | #include <math_ldbl_opt.h> | |
21 | #include <shlib-compat.h> | |
22 | #include "init-arch.h" | |
23 | ||
24 | extern __typeof (__isnan) __isnan_ppc64 attribute_hidden; | |
25 | extern __typeof (__isnan) __isnan_power5 attribute_hidden; | |
26 | extern __typeof (__isnan) __isnan_power6 attribute_hidden; | |
27 | extern __typeof (__isnan) __isnan_power6x attribute_hidden; | |
28 | extern __typeof (__isnan) __isnan_power7 attribute_hidden; | |
29 | ||
30 | libc_ifunc (__isnan, | |
31 | (hwcap & PPC_FEATURE_ARCH_2_06) | |
32 | ? __isnan_power7 : | |
33 | (hwcap & PPC_FEATURE_POWER6_EXT) | |
34 | ? __isnan_power6x : | |
35 | (hwcap & PPC_FEATURE_ARCH_2_05) | |
36 | ? __isnan_power6 : | |
37 | (hwcap & PPC_FEATURE_POWER5) | |
38 | ? __isnan_power5 | |
39 | : __isnan_ppc64); | |
40 | ||
41 | weak_alias (__isnan, isnan) | |
42 | ||
43 | #ifdef NO_LONG_DOUBLE | |
44 | strong_alias (__isnan, __isnanl) | |
45 | weak_alias (__isnan, isnanl) | |
46 | #endif | |
47 | ||
48 | #ifndef IS_IN_libm | |
49 | # if LONG_DOUBLE_COMPAT(libc, GLIBC_2_0) | |
50 | compat_symbol (libc, __isnan, __isnanl, GLIBC_2_0); | |
51 | compat_symbol (libc, isnan, isnanl, GLIBC_2_0); | |
52 | # endif | |
53 | #endif |