| 1 | /* Compute minimum of two numbers, regarding NaN as missing argument. |
| 2 | Copyright (C) 1997-2024 Free Software Foundation, Inc. |
| 3 | This file is part of the GNU C Library. |
| 4 | |
| 5 | The GNU C Library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | The GNU C Library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with the GNU C Library; if not, see |
| 17 | <https://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #include <sysdep.h> |
| 20 | #include <libm-alias-float.h> |
| 21 | |
| 22 | .text |
| 23 | ENTRY(__fminf) |
| 24 | flds 4(%esp) // x |
| 25 | flds 8(%esp) // x : y |
| 26 | |
| 27 | fucomi %st(0), %st |
| 28 | fcmovu %st(1), %st // now %st contains y if not NaN, x otherwise |
| 29 | |
| 30 | fucomi %st(1), %st |
| 31 | fcmovnb %st(1), %st |
| 32 | |
| 33 | fstp %st(1) |
| 34 | |
| 35 | ret |
| 36 | END(__fminf) |
| 37 | libm_alias_float (__fmin, fmin) |
| 38 | |