1/* Compute maximum of two numbers, regarding NaN as missing argument.
2 Copyright (C) 1997-2016 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
5
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
10
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
15
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <http://www.gnu.org/licenses/>. */
19
20#include <sysdep.h>
21
22 .text
23ENTRY(__fmaxl)
24 fldt 8(%rsp) // x
25 fldt 24(%rsp) // 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(__fmaxl)
39weak_alias (__fmaxl, fmaxl)
40