1/* Compute maximum of two numbers, regarding NaN as missing argument.
2   Copyright (C) 1997-2022 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#include <libm-alias-float.h>
21
22	.text
23ENTRY(__fmaxf)
24	flds	4(%esp)		// x
25	flds	8(%esp)		// x : y
26
27	fucomi	%st(0), %st
28	fcmovu	%st(1), %st	// now %st contains y if not NaN, x otherwise
29
30	fxch
31
32	fucomi	%st(1), %st
33	fcmovb	%st(1), %st
34
35	fstp	%st(1)
36
37	ret
38END(__fmaxf)
39libm_alias_float (__fmax, fmax)
40