blob: d1d6b6516b9677328192afe4db7552dbcb751f5b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
/* Determine floating-point rounding mode within libc. RISC-V version.
Copyright (C) 2015-2022 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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
<https://www.gnu.org/licenses/>. */
#ifndef _RISCV_GET_ROUNDING_MODE_H
#define _RISCV_GET_ROUNDING_MODE_H
/* Return the floating-point rounding mode. */
static inline int
get_rounding_mode (void)
{
int rm;
asm volatile ("frrm %0" : "=r" (rm));
return rm;
}
#endif /* get-rounding-mode.h */
|
