1  /* signbit ifunc resolver, Linux/sparc64 version.
       2     Copyright (C) 2017-2023 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 __signbit __redirect_signbit
      20  #include <math.h>
      21  #undef __signbit
      22  
      23  #include <sparc-ifunc.h>
      24  
      25  extern __typeof (__redirect_signbit) __signbit_vis3 attribute_hidden;
      26  extern __typeof (__redirect_signbit) __signbit_generic attribute_hidden;
      27  
      28  sparc_libm_ifunc_redirected (__redirect_signbit, __signbit,
      29  			     hwcap & HWCAP_SPARC_VIS3
      30  			     ? __signbit_vis3
      31  			     : __signbit_generic);
      32  
      33  /* On 64-bit the double version will also always work for
      34     long-double-precision since in both cases the word with the
      35     sign bit in it is passed always in register %f0.  */
      36  strong_alias (__signbit, __signbitl)
      37  sparc_ifunc_redirected_hidden_def (__redirect_signbit, __signbitl)