1/* Test for inf/-inf
2   Copyright (C) 2000-2022 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/*
20 * isinf(x) returns 1 if x is inf, -1 for x == -inf, else 0;
21 */
22
23#include <sysdep.h>
24#undef ret
25
26ENTRY (__isinf)
27{
28.mfi
29	fclass.m p6, p7 = farg0, @inf|@pos
30	;;
31}
32{
33.mfb
34(p6)	mov ret0 = 1
35(p7)	fclass.m p7, p8 = farg0, @inf|@neg
36(p6)	br.ret.sptk.many rp
37	;;
38}
39{
40	.pred.rel.mutex p7,p8
41(p7)	mov ret0 = -1
42(p8)	mov ret0 = 0
43	br.ret.sptk.many rp
44}
45END (__isinf)
46
47strong_alias (__isinf, __isinff)
48strong_alias (__isinf, __isinfl)
49
50weak_alias (__isinf, isinf)
51weak_alias (__isinff, isinff)
52weak_alias (__isinfl, isinfl)
53
54hidden_def (__isinf)
55hidden_def (__isinff)
56hidden_def (__isinfl)
57