/* Get enabled floating-point exceptions. Copyright (C) 2000-2021 Free Software Foundation, Inc. This file is part of the GNU C Library. 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 . */ #include int fegetexcept (void) { union { unsigned long long l; unsigned int sw[2]; } s; /* Get the current status word. */ __asm__ ("fstd %%fr0,0(%1) \n\t" "fldd 0(%1),%%fr0 \n\t" : "=m" (s.l) : "r" (&s.l) : "%r0"); return (s.sw[0] & FE_ALL_EXCEPT); }