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2008-07-18 Joseph Myers <joseph@codesourcery.com>

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* sysdeps/arm/eabi/feupdateenv.c: New.
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Daniel Jacobowitz 2008-07-18 13:20:51 +00:00
parent 4cbcd54d99
commit e39762f948
2 changed files with 63 additions and 0 deletions
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ChangeLog.arm
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2008-07-18 Joseph Myers <joseph@codesourcery.com>
* sysdeps/arm/eabi/feupdateenv.c: New.
2008-07-18 Joseph Myers <joseph@codesourcery.com>
* sysdeps/arm/libm-test-ulps: Update.

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sysdeps/arm/eabi/feupdateenv.c Normal file
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/* Install given floating-point environment and raise exceptions.
Copyright (C) 1997, 1999, 2000, 2008 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <fenv.h>
#include <fpu_control.h>
#include <unistd.h>
#include <ldsodefs.h>
#include <dl-procinfo.h>
#include <sysdep.h>
int
__feupdateenv (const fenv_t *envp)
{
if (GLRO (dl_hwcap) & HWCAP_ARM_VFP)
{
unsigned int temp;
/* Get the current exception state. */
_FPU_GETCW (temp);
/* Install new environment. */
fesetenv (envp);
/* Raise the saved exceptions. */
feraiseexcept (temp & FE_ALL_EXCEPT);
/* Success. */
return 0;
}
/* Unsupported, so fail. */
return 1;
}
#include <shlib-compat.h>
#if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)
strong_alias (__feupdateenv, __old_feupdateenv)
compat_symbol (libm, __old_feupdateenv, feupdateenv, GLIBC_2_1);
#endif
versioned_symbol (libm, __feupdateenv, feupdateenv, GLIBC_2_2);