| /* Clear given exceptions in current floating-point environment. |
| Copyright (C) 1997-2014 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> |
| |
| 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> |
| |
| int |
| __feclearexcept (int excepts) |
| { |
| fexcept_t fpsr; |
| |
| /* Mask out unsupported bits/exceptions. */ |
| excepts &= FE_ALL_EXCEPT; |
| |
| /* Fetch the fpu status register. */ |
| __asm__ ("fmove%.l %/fpsr,%0" : "=dm" (fpsr)); |
| |
| /* Clear the relevant bits. */ |
| fpsr &= ~excepts; |
| |
| /* Put the new data in effect. */ |
| __asm__ __volatile__ ("fmove%.l %0,%/fpsr" : : "dm" (fpsr)); |
| |
| /* 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 |
| |
| libm_hidden_ver (__feclearexcept, feclearexcept) |
| versioned_symbol (libm, __feclearexcept, feclearexcept, GLIBC_2_2); |
