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author | Mike Frysinger <vapier@gentoo.org> | 2014-02-15 22:07:25 -0500 |
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committer | Mike Frysinger <vapier@gentoo.org> | 2014-02-16 01:12:38 -0500 |
commit | c70a4b1db0cf5e813ae24b0fa96a352399eb6edf (patch) | |
tree | 5a36b0f0955682ae5232907d04fdf68589990783 /sysdeps/ia64/fpu/fedisblxcpt.c | |
parent | 591aeaf7a99bc9aa9179f013114d92496952dced (diff) | |
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ia64: relocate out of ports/ subdir
Diffstat (limited to 'sysdeps/ia64/fpu/fedisblxcpt.c')
-rw-r--r-- | sysdeps/ia64/fpu/fedisblxcpt.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/sysdeps/ia64/fpu/fedisblxcpt.c b/sysdeps/ia64/fpu/fedisblxcpt.c new file mode 100644 index 0000000000..b28d32fd2b --- /dev/null +++ b/sysdeps/ia64/fpu/fedisblxcpt.c @@ -0,0 +1,36 @@ +/* Disable floating-point exceptions. + Copyright (C) 2000-2014 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jes Sorensen <Jes.Sorensen@cern.ch>, 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> + +int +fedisableexcept (int excepts) +{ + fenv_t old_fpsr; + fenv_t new_fpsr; + + /* Get the current fpsr. */ + __asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (old_fpsr)); + + new_fpsr = old_fpsr | ((fenv_t) excepts & FE_ALL_EXCEPT); + + __asm__ __volatile__ ("mov.m ar.fpsr=%0" :: "r" (new_fpsr) : "memory"); + + return (old_fpsr ^ FE_ALL_EXCEPT) & FE_ALL_EXCEPT; +} |