1/* isnan().  sparc64 version.
2   Copyright (C) 2012-2022 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 <sysdep.h>
20
21ENTRY (__isnan)
22	std	%f0, [%sp + STACK_BIAS + 128]
23	sethi	%hi(0x7ff00000), %g1
24	ldx	[%sp + STACK_BIAS + 128], %o0
25	sllx	%g1, 32, %g1
26	sllx	%o0, 1, %o0
27	srlx	%o0, 1, %o0
28	sub	%g1, %o0, %o0
29	retl
30	 srlx	%o0, 63, %o0
31END (__isnan)
32hidden_def (__isnan)
33weak_alias (__isnan, isnan)
34