blob: aaa07e75814ca8bfefeaf4098b82dfd234129bc9 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
/* Compute maximum of two numbers, regarding NaN as missing argument.
Copyright (C) 1997-2013 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <sysdep.h>
.text
ENTRY(__fmaxl)
fldt 4(%esp) // x
fldt 16(%esp) // x : y
fucomi %st(0), %st
fcmovu %st(1), %st // now %st contains y if not NaN, x otherwise
fxch
fucomi %st(1), %st
fcmovb %st(1), %st
fstp %st(1)
ret
END(__fmaxl)
weak_alias (__fmaxl, fmaxl)
|
