glibc/sysdeps/m68k/fpu/fegetexcept.c

33 lines
1.1 KiB
C
Raw Normal View History

/* Get enabled floating-point exceptions.
Copyright (C) 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Andreas Schwab <schwab@suse.de>, 2000.
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>
int
fegetexcept (void)
{
unsigned int exc;
/* Get the current control register contents. */
__asm__ ("fmove%.l %!,%0" : "=dm" (exc));
return (exc >> 6) & FE_ALL_EXCEPT;
}