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1 | /* Compute positive difference. | |
2 | Copyright (C) 1997-2014 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 | |
23 | ENTRY(__fdiml) | |
24 | fldt 4(%esp) // x | |
25 | fldt 16(%esp) // x : y | |
26 | ||
27 | fucomi %st(1), %st | |
28 | jp 1f | |
29 | ||
30 | jc 3f | |
31 | fstp %st(1) | |
32 | fldz | |
33 | jmp 2f | |
34 | ||
35 | 3: fsubrp %st, %st(1) | |
36 | ret | |
37 | ||
38 | 1: fucomi %st(0), %st | |
39 | fcmovnu %st(1), %st | |
40 | 2: fstp %st(1) | |
41 | ret | |
42 | END(__fdiml) | |
43 | weak_alias (__fdiml, fdiml) |