diff options
Diffstat (limited to 'sysdeps/mips/fpu/fraiseexcpt.c')
| -rw-r--r-- | sysdeps/mips/fpu/fraiseexcpt.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/sysdeps/mips/fpu/fraiseexcpt.c b/sysdeps/mips/fpu/fraiseexcpt.c new file mode 100644 index 0000000000..ab84fe1867 --- /dev/null +++ b/sysdeps/mips/fpu/fraiseexcpt.c @@ -0,0 +1,46 @@ +/* Raise given exceptions. + Copyright (C) 2000-2014 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Andreas Jaeger <aj@suse.de>, 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> +#include <fenv_libc.h> +#include <fpu_control.h> + +int +feraiseexcept (int excepts) +{ + fpu_control_t cw; + + /* Get current state. */ + _FPU_GETCW (cw); + + /* Set flag bits (which are accumulative), and *also* set the + cause bits. The setting of the cause bits is what actually causes + the hardware to generate the exception, if the corresponding enable + bit is set as well. */ + + excepts &= FE_ALL_EXCEPT; + cw |= excepts | (excepts << CAUSE_SHIFT); + + /* Set new state. */ + _FPU_SETCW (cw); + + return 0; +} + +libm_hidden_def (feraiseexcept) |