diff options
Diffstat (limited to 'REORG.TODO/sysdeps/s390/fpu/feholdexcpt.c')
-rw-r--r-- | REORG.TODO/sysdeps/s390/fpu/feholdexcpt.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/s390/fpu/feholdexcpt.c b/REORG.TODO/sysdeps/s390/fpu/feholdexcpt.c new file mode 100644 index 0000000000..1cd1d445c7 --- /dev/null +++ b/REORG.TODO/sysdeps/s390/fpu/feholdexcpt.c @@ -0,0 +1,37 @@ +/* Store current floating-point environment and clear exceptions. + Copyright (C) 2000-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com). + + 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_libc.h> +#include <fpu_control.h> + +int __feholdexcept (fenv_t *envp) +{ + fexcept_t fpc; + /* Store the environment. */ + fegetenv (envp); + /* Clear the current sticky bits as more than one exception + may be generated. */ + fpc = envp->__fpc & ~(FPC_FLAGS_MASK | FPC_DXC_MASK); + /* Hold from generating fpu exceptions temporarily. */ + _FPU_SETCW ((fpc & ~(FE_ALL_EXCEPT << FPC_EXCEPTION_MASK_SHIFT))); + return 0; +} +libm_hidden_def (__feholdexcept) +weak_alias (__feholdexcept, feholdexcept) +libm_hidden_weak (feholdexcept) |