1  /* Square root.  S/390 FPU version.
       2     Copyright (C) 2004-2023 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_private.h>
      20  #include <libm-alias-finite.h>
      21  
      22  long double
      23  __ieee754_sqrtl (long double x)
      24  {
      25    long double res;
      26  
      27    __asm__ ( "sqxbr %0,%1" : "=f" (res) : "f" (x) );
      28    return res;
      29  }
      30  libm_alias_finite (__ieee754_sqrtl, __sqrtl)