sysdeps/powerpc/powerpc64/fpu/multiarch/s_isinf.c

   1 /* Multiple versions of isinf.
   2    Copyright (C) 2013-2018 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 #define __isinf __redirect___isinf
  20
  21 /* The following definitions, although not related to the 'double'
  22    version of 'isinf', are required to guarantee macro expansions
  23    (e.g.: from __isinff to __redirect_isinff) in include/math.h, thus
  24    compensating for the unintended macro expansions in
  25    math/bits/mathcalls-helper-functions.h.  */
  26 #define __isinff __redirect___isinff
  27 #define __isinfl __redirect___isinfl
  28 #define __isinff128 __redirect___isinff128
  29
  30 #include <math.h>
  31 #include <math_ldbl_opt.h>
  32 #include <shlib-compat.h>
  33 #include "init-arch.h"
  34
  35 extern __typeof (__isinf) __isinf_ppc64 attribute_hidden;
  36 extern __typeof (__isinf) __isinf_power7 attribute_hidden;
  37 extern __typeof (__isinf) __isinf_power8 attribute_hidden;
  38 #undef __isinf
  39 #undef __isinff
  40 #undef __isinfl
  41 #undef __isinff128
  42
  43 libc_ifunc_redirected (__redirect___isinf, __isinf,
  44                        (hwcap2 & PPC_FEATURE2_ARCH_2_07)
  45                        ? __isinf_power8
  46                        : (hwcap & PPC_FEATURE_ARCH_2_06)
  47                          ? __isinf_power7
  48                          : __isinf_ppc64);
  49
  50 weak_alias (__isinf, isinf)
  51
  52 #ifdef NO_LONG_DOUBLE
  53 strong_alias (__isinf, __isinfl)
  54 weak_alias (__isinf, isinfl)
  55 #endif
  56
  57 #if !IS_IN (libm)
  58 # if LONG_DOUBLE_COMPAT (libc, GLIBC_2_0)
  59 compat_symbol (libc, __isinf, __isinfl, GLIBC_2_0);
  60 compat_symbol (libc, isinf, isinfl, GLIBC_2_0);
  61 # endif
  62 #endif