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

   1 /* Multiple versions of finite.
   2    Copyright (C) 2013-2015 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 #include <math.h>
  20 #include <math_ldbl_opt.h>
  21 #include <shlib-compat.h>
  22 #include "init-arch.h"
  23
  24 extern __typeof (__finite) __finite_ppc64 attribute_hidden;
  25 extern __typeof (__finite) __finite_power7 attribute_hidden;
  26 extern __typeof (__finite) __finite_power8 attribute_hidden;
  27
  28 libc_ifunc (__finite,
  29             (hwcap2 & PPC_FEATURE2_ARCH_2_07)
  30             ? __finite_power8 :
  31               (hwcap & PPC_FEATURE_ARCH_2_06)
  32               ? __finite_power7
  33             : __finite_ppc64);
  34
  35 weak_alias (__finite, finite)
  36
  37 #ifdef NO_LONG_DOUBLE
  38 strong_alias (__finite, __finitel)
  39 weak_alias (__finite, finitel)
  40 #endif
  41
  42 #if IS_IN (libm)
  43 # if LONG_DOUBLE_COMPAT (libm, GLIBC_2_0)
  44 compat_symbol (libm, finite, finitel, GLIBC_2_0);
  45 # endif
  46 # if LONG_DOUBLE_COMPAT (libm, GLIBC_2_1)
  47 compat_symbol (libm, __finite, __finitel, GLIBC_2_1);
  48 # endif
  49 #else
  50 # if LONG_DOUBLE_COMPAT (libc, GLIBC_2_0)
  51 compat_symbol (libc, __finite, __finitel, GLIBC_2_0);
  52 compat_symbol (libc, finite, finitel, GLIBC_2_0);
  53 # endif
  54 #endif