projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| f7062b9a DM |
1 | /* fmax function, sparc32 v9 version. |
| 2 | Copyright (C) 2012 Free Software Foundation, Inc. | |
| 3 | This file is part of the GNU C Library. | |
| 4 | Contributed by David S. Miller <davem@davemloft.net>, 2012. | |
| 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 | #define SIGN_BIT %f12 /* -0.0 */ | |
| 23 | ||
| 24 | ENTRY (__fmax) | |
| 25 | std %o0, [%sp + 72] | |
| 26 | std %o2, [%sp + 80] | |
| 27 | ldd [%sp + 72], %f0 | |
| 28 | ldd [%sp + 80], %f2 | |
| 29 | fcmpd %fcc1, %f2, %f2 | |
| 30 | fzero SIGN_BIT | |
| 31 | fmovdu %fcc1, %f0, %f2 | |
| 32 | fnegd SIGN_BIT, SIGN_BIT | |
| 33 | fcmpd %fcc2, %f0, %f2 | |
| 34 | fmovdul %fcc2, %f2, %f0 | |
| 35 | fand %f0, %f2, %f4 | |
| 36 | fandnot2 SIGN_BIT, %f4, %f4 | |
| 37 | retl | |
| 38 | fandnot2 %f0, %f4, %f0 | |
| 39 | END (__fmax) | |
| 40 | weak_alias (__fmax, fmax) |