1 /* fmaxf(). RISC-V version.
2 Copyright (C) 2017-2022 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 <math.h>
20 #include <fenv_private.h>
21 #include <libm-alias-float.h>
22
23 float
__fmaxf(float x,float y)24 __fmaxf (float x, float y)
25 {
26 float res;
27
28 if (__glibc_unlikely ((_FCLASS (x) | _FCLASS (y)) & _FCLASS_SNAN))
29 return x + y;
30 else
31 asm ("fmax.s %0, %1, %2" : "=f" (res) : "f" (x), "f" (y));
32
33 return res;
34 }
35 libm_alias_float (__fmax, fmax)
36