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1 | /* Return current rounding direction within libc. IA64 version. |
2 | Copyright (C) 1999-2012 Free Software Foundation, Inc. | |
3 | This file is part of the GNU C Library. | |
4 | Contributed by Christian Boissat <Christian.Boissat@cern.ch>, 1999. | |
5 | ||
6 | The GNU C Library is free software; you can redistribute it and/or | |
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. | |
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 | |
14 | Lesser General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU Lesser General Public | |
17 | License along with the GNU C Library; if not, see | |
18 | <http://www.gnu.org/licenses/>. */ | |
19 | ||
20 | #ifndef IA64_GET_ROUNDING_MODE_H | |
21 | #define IA64_GET_ROUNDING_MODE_H 1 | |
22 | ||
23 | #include <fenv.h> | |
24 | ||
25 | /* Return the floating-point rounding mode. */ | |
26 | ||
27 | static inline int | |
28 | get_rounding_mode (void) | |
29 | { | |
30 | fenv_t fpsr; | |
31 | ||
32 | __asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (fpsr)); | |
33 | ||
34 | return (fpsr >> 10) & 3; | |
35 | } | |
36 | ||
37 | #endif /* get-rounding-mode.h */ |