| /* Store current floating-point environment and clear exceptions. |
| Copyright (C) 1997-2014 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 <fenv.h> |
| #include <fpu_control.h> |
| #include <arm-features.h> |
| |
| |
| int |
| feholdexcept (fenv_t *envp) |
| { |
| if (ARM_HAVE_VFP) |
| { |
| unsigned long int temp; |
| |
| /* Store the environment. */ |
| _FPU_GETCW(temp); |
| envp->__cw = temp; |
| |
| /* Now set all exceptions to non-stop. */ |
| temp &= ~(FE_ALL_EXCEPT << FE_EXCEPT_SHIFT); |
| |
| /* And clear all exception flags. */ |
| temp &= ~FE_ALL_EXCEPT; |
| |
| _FPU_SETCW(temp); |
| |
| return 0; |
| } |
| |
| /* Unsupported, so fail. */ |
| return 1; |
| } |
| |
| libm_hidden_def (feholdexcept) |
