| /* Compute positive difference. |
| Copyright (C) 1997-2014 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(__fdimf) |
| flds 4(%esp) // x |
| flds 8(%esp) // x : y |
| |
| fucom %st(1) |
| fnstsw |
| sahf |
| jp 1f |
| |
| jc 3f |
| |
| fstp %st(1) |
| fldz |
| jmp 2f |
| |
| 3: fsubrp %st, %st(1) |
| ret |
| |
| 1: fxam |
| fnstsw |
| andb $0x45, %ah |
| cmpb $0x01, %ah |
| je 2f |
| |
| fxch |
| 2: fstp %st(1) |
| ret |
| END(__fdimf) |
| weak_alias (__fdimf, fdimf) |
