1  /* Multiple versions of IEEE 754 log.
       2     Copyright (C) 2021-2023 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  #include <math.h>
      20  #include "init-arch.h"
      21  #include <libm-alias-finite.h>
      22  
      23  extern double __redirect_ieee754_log (double);
      24  
      25  extern __typeof (log) __log_ppc64 attribute_hidden;
      26  #ifdef USE_PPC64_MCPU_POWER10
      27  extern __typeof (log) __log_power10 attribute_hidden;
      28  #endif
      29  
      30  libc_ifunc_redirected (__redirect_ieee754_log, __ieee754_log,
      31  #ifdef USE_PPC64_MCPU_POWER10
      32  	    (hwcap2 & PPC_FEATURE2_ARCH_3_1)
      33  	    ? __log_power10 :
      34  #endif
      35              __log_ppc64);
      36  
      37  libm_alias_finite (__ieee754_log, __log)