1  /* Install given floating-point control modes.  HPPA version.
       2     Copyright (C) 2016-2023 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 <fenv.h>
      20  #include <fpu_control.h>
      21  
      22  #define FPU_CONTROL_BITS (_FPU_HPPA_MASK_RM | 0x20 | _FPU_HPPA_MASK_INT)
      23  
      24  int
      25  fesetmode (const femode_t *modep)
      26  {
      27    fpu_control_t cw;
      28    _FPU_GETCW (cw);
      29    cw &= ~FPU_CONTROL_BITS;
      30    if (modep == FE_DFL_MODE)
      31      cw |= _FPU_DEFAULT;
      32    else
      33      cw |= *modep & FPU_CONTROL_BITS;
      34    _FPU_SETCW (cw);
      35    return 0;
      36  }