diff options
author | Andreas Jaeger <aj@suse.de> | 2000-09-15 12:25:35 +0000 |
---|---|---|
committer | Andreas Jaeger <aj@suse.de> | 2000-09-15 12:25:35 +0000 |
commit | e091e14537797c342bc75353dab3906bd411dc3f (patch) | |
tree | d428c283bdf3be97c2d76bd7d2a6df8703a904c3 /sysdeps/mips/fpu/fedisblxcpt.c | |
parent | 3137a46995f7691aea5317333f9e113059760094 (diff) | |
download | glibc-e091e14537797c342bc75353dab3906bd411dc3f.zip glibc-e091e14537797c342bc75353dab3906bd411dc3f.tar.gz glibc-e091e14537797c342bc75353dab3906bd411dc3f.tar.bz2 |
Update.
2000-09-15 Andreas Jaeger <aj@suse.de>
* sysdeps/mips/fpu/feenablxcpt.c: New file.
* sysdeps/mips/fpu/fegetexcept.c: New file.
* sysdeps/mips/fpu/fedisblxcpt.c: New file.
Diffstat (limited to 'sysdeps/mips/fpu/fedisblxcpt.c')
-rw-r--r-- | sysdeps/mips/fpu/fedisblxcpt.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/sysdeps/mips/fpu/fedisblxcpt.c b/sysdeps/mips/fpu/fedisblxcpt.c new file mode 100644 index 0000000..1ca229f --- /dev/null +++ b/sysdeps/mips/fpu/fedisblxcpt.c @@ -0,0 +1,44 @@ +/* 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <fenv.h> +#include <fpu_control.h> + +#define ENABLE_MASK 0xF80U +#define ENABLE_SHIFT 5 + +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; +} |