mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-11 05:40:06 +00:00
45 lines
1.5 KiB
C
45 lines
1.5 KiB
C
/* Store current floating-point environment.
|
|
Copyright (C) 1997-2013 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
|
|
|
|
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
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <fenv.h>
|
|
|
|
int
|
|
__fegetenv (fenv_t *envp)
|
|
{
|
|
#ifdef __mcoldfire__
|
|
__asm__ ("fmove%.l %/fpcr,%0" : "=dm" (envp->__control_register));
|
|
__asm__ ("fmove%.l %/fpsr,%0" : "=dm" (envp->__status_register));
|
|
__asm__ ("fmove%.l %/fpiar,%0" : "=dm" (envp->__instruction_address));
|
|
#else
|
|
__asm__ ("fmovem%.l %/fpcr/%/fpsr/%/fpiar,%0" : "=m" (*envp));
|
|
#endif
|
|
|
|
/* 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
|
|
|
|
libm_hidden_ver (__fegetenv, fegetenv)
|
|
versioned_symbol (libm, __fegetenv, fegetenv, GLIBC_2_2);
|