| /* Store current floating-point environment and clear exceptions for |
| atomic compound assignment. |
| Copyright (C) 2013-2014 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 |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include "soft-fp.h" |
| #include "soft-supp.h" |
| |
| void |
| __atomic_feholdexcept (fenv_t *envp) |
| { |
| fenv_union_t u; |
| |
| u.l[0] = __sim_exceptions_thread; |
| /* The rounding mode is not changed by arithmetic, so no need to |
| save it. */ |
| u.l[1] = __sim_disabled_exceptions_thread; |
| *envp = u.fenv; |
| |
| /* This function postdates the global variables being turned into |
| compat symbols, so no need to set them. */ |
| __sim_exceptions_thread = 0; |
| __sim_disabled_exceptions_thread = FE_ALL_EXCEPT; |
| } |
