sysdeps/powerpc/powerpc64/be/fpu/multiarch/s_llround.c

   1 /* Multiple versions of llround.
   2    Copyright (C) 2013-2021 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    <https://www.gnu.org/licenses/>.  */
  18
  19 #define lround __hidden_lround
  20 #define __lround __hidden___lround
  21
  22 #include <math.h>
  23 #include <math_ldbl_opt.h>
  24 #include <shlib-compat.h>
  25 #include "init-arch.h"
  26 #include <libm-alias-double.h>
  27
  28 extern __typeof (__llround) __llround_ppc64 attribute_hidden;
  29 extern __typeof (__llround) __llround_power5plus attribute_hidden;
  30 extern __typeof (__llround) __llround_power6x attribute_hidden;
  31 extern __typeof (__llround) __llround_power8 attribute_hidden;
  32
  33 libc_ifunc (__llround,
  34             (hwcap2 & PPC_FEATURE2_ARCH_2_07)
  35             ? __llround_power8 :
  36               (hwcap & PPC_FEATURE_POWER6_EXT)
  37               ? __llround_power6x :
  38                 (hwcap & PPC_FEATURE_POWER5_PLUS)
  39                 ? __llround_power5plus
  40             : __llround_ppc64);
  41
  42 libm_alias_double (__llround, llround)
  43
  44 /* long has the same width as long long on PPC64.  */
  45 #undef lround
  46 #undef __lround
  47 strong_alias (__llround, __lround)
  48 libm_alias_double (__lround, lround)