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/* Install given floating-point environment.
Copyright (C) 1997 Free Software Foundation, Inc.
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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <fenv.h>
void
fesetenv (const fenv_t *envp)
{
fenv_t dummy;
/* Put these constants in memory explicitly, so as to cope with a
-fPIC bug as of gcc 970624. Making them automatic is quicker
than loading up the pic register in this instance. */
if (envp == FE_DFL_ENV)
{
dummy = 0;
envp = &dummy;
}
else if (envp == FE_NOMASK_ENV)
{
dummy = 0x1f << 23;
envp = &dummy;
}
__fenv_ldfsr (*envp);
}
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