diff options
Diffstat (limited to 'REORG.TODO/sysdeps/ia64/fpu/fclrexcpt.c')
| -rw-r--r-- | REORG.TODO/sysdeps/ia64/fpu/fclrexcpt.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/ia64/fpu/fclrexcpt.c b/REORG.TODO/sysdeps/ia64/fpu/fclrexcpt.c new file mode 100644 index 0000000000..c38ea25ab5 --- /dev/null +++ b/REORG.TODO/sysdeps/ia64/fpu/fclrexcpt.c @@ -0,0 +1,39 @@ +/* Clear given exceptions in current floating-point environment. + Copyright (C) 1997-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Christian Boissat <Christian.Boissat@cern.ch>, 1999 and + Jes Sorensen <Jes.Sorensen@cern.ch>, 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, see + <http://www.gnu.org/licenses/>. */ + +#include <fenv.h> + +int +feclearexcept (int excepts) +{ + fenv_t fpsr; + + /* Get the current state. */ + __asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (fpsr)); + + /* Clear the relevant bits. */ + fpsr &= ~(((fenv_t) ((excepts & FE_ALL_EXCEPT) << 13))); + /* Put the new state in effect. */ + __asm__ __volatile__ ("mov.m ar.fpsr=%0" :: "r" (fpsr) : "memory"); + + /* success */ + return 0; +} +libm_hidden_def (feclearexcept) |