glibc/sysdeps/i386/fpu/fclrexcpt.c
Roland McGrath 4eb8a86271 * sysdeps/alpha/fpu/fclrexcpt.c: #include <shlib-compat.h>
and use compat_symbol/versioned_symbol instead of plain
	symbol_version/default_symbol_version.
	* sysdeps/alpha/fpu/fegetenv.c: Likewise.
	* sysdeps/alpha/fpu/fesetenv.c: Likewise.
	* sysdeps/alpha/fpu/feupdateenv.c: Likewise.
	* sysdeps/alpha/fpu/fgetexcptflg.c: Likewise.
	* sysdeps/alpha/fpu/fraiseexcpt.c: Likewise.
	* sysdeps/alpha/fpu/fsetexcptflg.c: Likewise.
	* sysdeps/arm/fpu/fclrexcpt.c: Likewise.
	* sysdeps/arm/fpu/fegetenv.c: Likewise.
	* sysdeps/arm/fpu/fesetenv.c: Likewise.
	* sysdeps/arm/fpu/fraiseexcpt.c: Likewise.
	* sysdeps/arm/fpu/fsetexcptflg.c: Likewise.
	* sysdeps/i386/fpu/fclrexcpt.c: Likewise.
	* sysdeps/i386/fpu/fegetenv.c: Likewise.
	* sysdeps/i386/fpu/fesetenv.c: Likewise.
	* sysdeps/i386/fpu/feupdateenv.c: Likewise.
	* sysdeps/i386/fpu/fgetexcptflg.c: Likewise.
	* sysdeps/i386/fpu/fraiseexcpt.c: Likewise.
	* sysdeps/i386/fpu/fsetexcptflg.c: Likewise.
	* sysdeps/m68k/fpu/fclrexcpt.c: Likewise.
	* sysdeps/m68k/fpu/fegetenv.c: Likewise.
	* sysdeps/m68k/fpu/fesetenv.c: Likewise.
	* sysdeps/m68k/fpu/feupdateenv.c: Likewise.
	* sysdeps/m68k/fpu/fgetexcptflg.c: Likewise.
	* sysdeps/m68k/fpu/fraiseexcpt.c: Likewise.
	* sysdeps/m68k/fpu/fsetexcptflg.c: Likewise.
	* sysdeps/powerpc/fclrexcpt.c: Likewise.
	* sysdeps/powerpc/fpu/fegetenv.c: Likewise.
	* sysdeps/powerpc/fpu/fesetenv.c: Likewise.
	* sysdeps/powerpc/fpu/feupdateenv.c: Likewise.
	* sysdeps/powerpc/fpu/fgetexcptflg.c: Likewise.
	* sysdeps/powerpc/fpu/fraiseexcpt.c: Likewise.
	* sysdeps/powerpc/fpu/fsetexcptflg.c: Likewise.
2001-06-02 05:59:11 +00:00

52 lines
1.8 KiB
C

/* Clear given exceptions in 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 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 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>
int
__feclearexcept (int excepts)
{
fenv_t temp;
/* Mask out unsupported bits/exceptions. */
excepts &= FE_ALL_EXCEPT;
/* Bah, we have to clear selected exceptions. Since there is no
`fldsw' instruction we have to do it the hard way. */
__asm__ ("fnstenv %0" : "=m" (*&temp));
/* Clear the relevant bits. */
temp.__status_word &= excepts ^ FE_ALL_EXCEPT;
/* Put the new data in effect. */
__asm__ ("fldenv %0" : : "m" (*&temp));
/* Success. */
return 0;
}
#include <shlib-compat.h>
#if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)
strong_alias (__feclearexcept, __old_feclearexcept)
compat_symbol (libm, __old_feclearexcept, feclearexcept, GLIBC_2_1);
#endif
versioned_symbol (libm, __feclearexcept, feclearexcept, GLIBC_2_2);