projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 6973fc01 | 1 | /* Compute positive difference. |
| d4697bc9 | 2 | Copyright (C) 1997-2014 Free Software Foundation, Inc. |
| 6973fc01 UD |
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 | |
| 41bdb6e2 AJ |
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. | |
| 6973fc01 UD |
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 | |
| 41bdb6e2 | 14 | Lesser General Public License for more details. |
| 6973fc01 | 15 | |
| 41bdb6e2 | 16 | You should have received a copy of the GNU Lesser General Public |
| 59ba27a6 PE |
17 | License along with the GNU C Library; if not, see |
| 18 | <http://www.gnu.org/licenses/>. */ | |
| 6973fc01 UD |
19 | |
| 20 | #include <sysdep.h> | |
| 21 | ||
| 22 | .text | |
| 23 | ENTRY(__fdimf) | |
| 24 | flds 4(%esp) // x | |
| 25 | flds 8(%esp) // x : y | |
| 26 | ||
| 27 | fucom %st(1) | |
| 28 | fnstsw | |
| 29 | sahf | |
| 30 | jp 1f | |
| 31 | ||
| 7ff2ba90 | 32 | jc 3f |
| 6973fc01 | 33 | |
| 7ff2ba90 | 34 | fstp %st(1) |
| 6973fc01 UD |
35 | fldz |
| 36 | jmp 2f | |
| 37 | ||
| 7ff2ba90 UD |
38 | 3: fsubrp %st, %st(1) |
| 39 | ret | |
| 40 | ||
| 6973fc01 UD |
41 | 1: fxam |
| 42 | fnstsw | |
| 43 | andb $0x45, %ah | |
| 44 | cmpb $0x01, %ah | |
| 7ff2ba90 | 45 | je 2f |
| 6973fc01 UD |
46 | |
| 47 | fxch | |
| 7ff2ba90 UD |
48 | 2: fstp %st(1) |
| 49 | ret | |
| 6973fc01 UD |
50 | END(__fdimf) |
| 51 | weak_alias (__fdimf, fdimf) |