1  /* Multiple versions of llround.
       2     Copyright (C) 2013-2023 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)