glibc/sysdeps/powerpc/nofpu/fesetenv.c

48 lines
1.7 KiB
C

/* Set floating point environment (soft-float edition).
Copyright (C) 2002-2020 Free Software Foundation, Inc.
Contributed by Aldy Hernandez <aldyh@redhat.com>, 2002.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library. If not, see
<https://www.gnu.org/licenses/>. */
#include "soft-fp.h"
#include "soft-supp.h"
int
__fesetenv (const fenv_t *envp)
{
fenv_union_t u;
u.fenv = *envp;
__sim_exceptions_thread = u.l[0] & FE_ALL_EXCEPT;
SIM_SET_GLOBAL (__sim_exceptions_global, __sim_exceptions_thread);
__sim_round_mode_thread = u.l[0] & 0x3;
SIM_SET_GLOBAL (__sim_round_mode_global, __sim_round_mode_thread);
__sim_disabled_exceptions_thread = u.l[1];
SIM_SET_GLOBAL (__sim_disabled_exceptions_global,
__sim_disabled_exceptions_thread);
return 0;
}
#include <shlib-compat.h>
#if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)
strong_alias (__fesetenv, __old_fesetenv)
compat_symbol (libm, __old_fesetenv, fesetenv, GLIBC_2_1);
#endif
libm_hidden_def (__fesetenv)
libm_hidden_ver (__fesetenv, fesetenv)
versioned_symbol (libm, __fesetenv, fesetenv, GLIBC_2_2);