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b2cb5e02 | 1 | /* Determine floating-point rounding mode within libc. RISC-V version. |
04277e02 | 2 | Copyright (C) 2015-2019 Free Software Foundation, Inc. |
b2cb5e02 PD |
3 | This file is part of the GNU C Library. |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
16 | License along with the GNU C Library; if not, see | |
17 | <http://www.gnu.org/licenses/>. */ | |
18 | ||
19 | #ifndef _RISCV_GET_ROUNDING_MODE_H | |
20 | #define _RISCV_GET_ROUNDING_MODE_H | |
21 | ||
22 | /* Return the floating-point rounding mode. */ | |
23 | ||
24 | static inline int | |
25 | get_rounding_mode (void) | |
26 | { | |
27 | int rm; | |
28 | asm volatile ("frrm %0" : "=r" (rm)); | |
29 | return rm; | |
30 | } | |
31 | ||
32 | #endif /* get-rounding-mode.h */ |