diff options
Diffstat (limited to 'sysdeps/hppa/fpu/fegetenv.c')
| -rw-r--r-- | sysdeps/hppa/fpu/fegetenv.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/sysdeps/hppa/fpu/fegetenv.c b/sysdeps/hppa/fpu/fegetenv.c new file mode 100644 index 0000000000..7028fe4a22 --- /dev/null +++ b/sysdeps/hppa/fpu/fegetenv.c @@ -0,0 +1,35 @@ +/* Store current floating-point environment. + Copyright (C) 2000-2014 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> +#include <string.h> + +int +fegetenv (fenv_t *envp) +{ + unsigned long long buf[4], *bufptr = buf; + + __asm__ ( + "fstd,ma %%fr0,8(%1) \n\t" + "fldd -8(%1),%%fr0 \n\t" + : "=m" (buf), "+r" (bufptr) : : "%r0"); + memcpy(envp, buf, sizeof (*envp)); + return 0; +} +libm_hidden_def (fegetenv) |