projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 839151ff | 1 | /* Store current floating-point environment. |
| b168057a | 2 | Copyright (C) 2000-2015 Free Software Foundation, Inc. |
| 839151ff UD |
3 | This file is part of the GNU C Library. |
| 4 | Contributed by David Huggins-Daines <dhd@debian.org>, 2000 | |
| 5 | ||
| 6 | The GNU C Library is free software; you can redistribute it and/or | |
| 3214b89b AJ |
7 | modify it under the terms of the GNU Lesser General Public |
| 8 | License as published by the Free Software Foundation; either | |
| 9 | version 2.1 of the License, or (at your option) any later version. | |
| 839151ff UD |
10 | |
| 11 | The GNU C Library is distributed in the hope that it will be useful, | |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 3214b89b | 14 | Lesser General Public License for more details. |
| 839151ff | 15 | |
| 3214b89b | 16 | You should have received a copy of the GNU Lesser General Public |
| ab84e3ff PE |
17 | License along with the GNU C Library. If not, see |
| 18 | <http://www.gnu.org/licenses/>. */ | |
| 839151ff UD |
19 | |
| 20 | #include <fenv.h> | |
| 48dcf1c5 | 21 | #include <string.h> |
| 839151ff UD |
22 | |
| 23 | int | |
| 73a268c7 | 24 | __fegetenv (fenv_t *envp) |
| 839151ff | 25 | { |
| 48dcf1c5 | 26 | unsigned long long buf[4], *bufptr = buf; |
| 5556231d | 27 | |
| 839151ff | 28 | __asm__ ( |
| 48dcf1c5 CD |
29 | "fstd,ma %%fr0,8(%1) \n\t" |
| 30 | "fldd -8(%1),%%fr0 \n\t" | |
| 31 | : "=m" (buf), "+r" (bufptr) : : "%r0"); | |
| 32 | memcpy(envp, buf, sizeof (*envp)); | |
| 839151ff UD |
33 | return 0; |
| 34 | } | |
| 73a268c7 JM |
35 | libm_hidden_def (__fegetenv) |
| 36 | weak_alias (__fegetenv, fegetenv) | |
| 37 | libm_hidden_weak (fegetenv) |