diff options
Diffstat (limited to 'ports/sysdeps/hppa/fpu/fgetexcptflg.c')
| -rw-r--r-- | ports/sysdeps/hppa/fpu/fgetexcptflg.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/ports/sysdeps/hppa/fpu/fgetexcptflg.c b/ports/sysdeps/hppa/fpu/fgetexcptflg.c new file mode 100644 index 0000000000..360df383e2 --- /dev/null +++ b/ports/sysdeps/hppa/fpu/fgetexcptflg.c @@ -0,0 +1,37 @@ +/* Store current representation for exceptions. + Copyright (C) 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by David Huggins-Daines <dhd@debian.org>, 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 +fegetexceptflag (fexcept_t *flagp, int excepts) +{ + union { unsigned long long l; unsigned int sw[2]; } s; + + /* Get the current status word. */ + __asm__ ("fstd %%fr0,0(%1) \n\t" + "fldd 0(%1),%%fr0 \n\t" + : "=m" (s.l) : "r" (&s.l) : "%r0"); + + *flagp = (s.sw[0] >> 27) & excepts & FE_ALL_EXCEPT; + + /* Success. */ + return 0; +} + |