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/* Store current floating-point environment.
Copyright (C) 1997,99,2000,01 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Richard Henderson <rth@tamu.edu>, 1997
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_libc.h>
int
__fegetenv (fenv_t *envp)
{
unsigned long int fpcr;
unsigned long int swcr;
/* Get status from software and hardware. Note that we don't need an
excb because the callsys is an implied trap barrier. */
swcr = __ieee_get_fp_control ();
__asm__ __volatile__ ("mf_fpcr %0" : "=f" (fpcr));
/* Merge the two bits of information. */
*envp = ((fpcr & FPCR_ROUND_MASK) | (swcr & SWCR_ALL_MASK));
/* Success. */
return 0;
}
#include <shlib-compat.h>
#if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)
strong_alias (__fegetenv, __old_fegetenv)
compat_symbol (libm, __old_fegetenv, fegetenv, GLIBC_2_1);
#endif
versioned_symbol (libm, __fegetenv, fegetenv, GLIBC_2_2);
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