sysdeps/powerpc/nofpu/fesetenv.c

   1 /* Set floating point environment (soft-float edition).
   2    Copyright (C) 2002-2023 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 "soft-fp.h"
  20 #include "soft-supp.h"
  21
  22 int
  23 __fesetenv (const fenv_t *envp)
  24 {
  25   fenv_union_t u;
  26
  27   u.fenv = *envp;
  28   __sim_exceptions_thread = u.l[0] & FE_ALL_EXCEPT;
  29   SIM_SET_GLOBAL (__sim_exceptions_global, __sim_exceptions_thread);
  30   __sim_round_mode_thread = u.l[0] & 0x3;
  31   SIM_SET_GLOBAL (__sim_round_mode_global, __sim_round_mode_thread);
  32   __sim_disabled_exceptions_thread = u.l[1];
  33   SIM_SET_GLOBAL (__sim_disabled_exceptions_global,
  34                   __sim_disabled_exceptions_thread);
  35   return 0;
  36 }
  37
  38 #include <shlib-compat.h>
  39 #if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)
  40 strong_alias (__fesetenv, __old_fesetenv)
  41 compat_symbol (libm, __old_fesetenv, fesetenv, GLIBC_2_1);
  42 #endif
  43
  44 libm_hidden_def (__fesetenv)
  45 libm_hidden_ver (__fesetenv, fesetenv)
  46 versioned_symbol (libm, __fesetenv, fesetenv, GLIBC_2_2);