1 /* Copyright (C) 2017-2023 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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.
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.
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/>. */
20 #include <fenv_private.h>
23 __fpclassifyf (float x
)
26 asm volatile ("fclass.s \t%0, %1" : "=f" (cls
) : "f" (x
));
28 if (__glibc_likely (!!(cls
& _FCLASS_NORM
)))
30 if (__glibc_likely (!!(cls
& _FCLASS_ZERO
)))
32 if (__glibc_likely (!!(cls
& _FCLASS_SUBNORM
)))
34 if (__glibc_likely (!!(cls
& _FCLASS_INF
)))
38 libm_hidden_def (__fpclassifyf
)