1 | /* llround(). RISC-V version. |
2 | Copyright (C) 2017-2024 Free Software Foundation, Inc. |
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 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #include <libm-alias-double.h> |
20 | #include <stdint.h> |
21 | |
22 | #if __WORDSIZE == 64 |
23 | # define OP "fcvt.l.d" |
24 | #elif __WORDSIZE == 32 |
25 | # define OP "fcvt.w.d" |
26 | #else |
27 | # error Unsupported |
28 | #endif |
29 | |
30 | long int |
31 | __lround (double x) |
32 | { |
33 | long int res; |
34 | asm (OP "\t%0, %1, rmm" : "=r" (res) : "f" (x)); |
35 | return res; |
36 | } |
37 | |
38 | libm_alias_double (__lround, lround) |
39 | |