diff options
Diffstat (limited to 'sysdeps/mips/fpu/fedisblxcpt.c')
-rw-r--r-- | sysdeps/mips/fpu/fedisblxcpt.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/sysdeps/mips/fpu/fedisblxcpt.c b/sysdeps/mips/fpu/fedisblxcpt.c new file mode 100644 index 0000000..62e1a71 --- /dev/null +++ b/sysdeps/mips/fpu/fedisblxcpt.c @@ -0,0 +1,42 @@ +/* Disable floating-point exceptions. + Copyright (C) 2000 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <fenv.h> +#include <fenv_libc.h> +#include <fpu_control.h> + +int +fedisableexcept (int excepts) +{ + unsigned int new_exc, old_exc; + + /* Get the current control word. */ + _FPU_GETCW (new_exc); + + old_exc = (new_exc & ENABLE_MASK) >> ENABLE_SHIFT; + + excepts &= FE_ALL_EXCEPT; + + new_exc &= ~(excepts << ENABLE_SHIFT); + new_exc &= ~_FPU_RESERVED; + _FPU_SETCW (new_exc); + + return old_exc; +} |