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

   1 /* Multiple versions of llround.
   2    Copyright (C) 2013-2017 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 #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
  27 extern __typeof (__llround) __llround_ppc64 attribute_hidden;
  28 extern __typeof (__llround) __llround_power5plus attribute_hidden;
  29 extern __typeof (__llround) __llround_power6x attribute_hidden;
  30 extern __typeof (__llround) __llround_power8 attribute_hidden;
  31
  32 libc_ifunc (__llround,
  33             (hwcap2 & PPC_FEATURE2_ARCH_2_07)
  34             ? __llround_power8 :
  35               (hwcap & PPC_FEATURE_POWER6_EXT)
  36               ? __llround_power6x :
  37                 (hwcap & PPC_FEATURE_POWER5_PLUS)
  38                 ? __llround_power5plus
  39             : __llround_ppc64);
  40
  41 weak_alias (__llround, llround)
  42
  43 #ifdef NO_LONG_DOUBLE
  44 weak_alias (__llround, llroundl)
  45 strong_alias (__llround, __llroundl)
  46 #endif
  47 #if LONG_DOUBLE_COMPAT(libm, GLIBC_2_1)
  48 compat_symbol (libm, __llround, llroundl, GLIBC_2_1);
  49 compat_symbol (libm, llround, lroundl, GLIBC_2_1);
  50 #endif
  51
  52 /* long has the same width as long long on PPC64.  */
  53 #undef lround
  54 #undef __lround
  55 strong_alias (__llround, __lround)
  56 weak_alias (__llround, lround)
  57 #ifdef NO_LONG_DOUBLE
  58 strong_alias (__llround, __llroundl)
  59 weak_alias (__llround, llroundl)
  60 #endif
  61 #if LONG_DOUBLE_COMPAT(libm, GLIBC_2_1)
  62 compat_symbol (libm, __lround, lroundl, GLIBC_2_1);
  63 #endif