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author | Ulrich Drepper <drepper@redhat.com> | 2000-08-17 18:46:15 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 2000-08-17 18:46:15 +0000 |
commit | 17193a21d638d8a5fe6306f01ae693144e61d6bf (patch) | |
tree | dcd9d221664fe05ed9b432a960edd8a682242b42 /sysdeps/alpha | |
parent | cd290faab1b1ca66f22e42c67792170e6d6db69c (diff) | |
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Alpha fedisableexcept implementaton.
Diffstat (limited to 'sysdeps/alpha')
-rw-r--r-- | sysdeps/alpha/fpu/fedisblxcpt.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/sysdeps/alpha/fpu/fedisblxcpt.c b/sysdeps/alpha/fpu/fedisblxcpt.c new file mode 100644 index 0000000000..ab0630c084 --- /dev/null +++ b/sysdeps/alpha/fpu/fedisblxcpt.c @@ -0,0 +1,36 @@ +/* Disable floating-point exceptions. + Copyright (C) 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek <jakub@redhat.com>, 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> + +int +fedisableexcept (int excepts) +{ + unsigned long int new_exc, old_exc; + + new_exc = __ieee_get_fp_control (); + + old_exc = (new_exc << 16) & FE_ALL_EXCEPT; + new_exc &= ~((excepts & FE_ALL_EXCEPT) >> 16); + + __ieee_set_fp_control (new_exc); + + return old_exc; +} |