1 | /* Compute positive difference. |
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 |
23 | ENTRY(__fdiml) |
24 | fldt 8(%rsp) // x |
25 | fldt 24(%rsp) // 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) |
44 | |