projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| dfdb8ff2 | 1 | /* isnan(). sparc64 version. |
| 04277e02 | 2 | Copyright (C) 2012-2019 Free Software Foundation, Inc. |
| dfdb8ff2 DM |
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 | |
| 5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
| dfdb8ff2 DM |
18 | |
| 19 | #include <sysdep.h> | |
| 20 | ||
| 21 | ENTRY (__isnan) | |
| 22 | std %f0, [%sp + STACK_BIAS + 128] | |
| 23 | sethi %hi(0x7ff00000), %g1 | |
| 24 | ldx [%sp + STACK_BIAS + 128], %o0 | |
| 25 | sllx %g1, 32, %g1 | |
| 26 | sllx %o0, 1, %o0 | |
| 27 | srlx %o0, 1, %o0 | |
| 28 | sub %g1, %o0, %o0 | |
| 29 | retl | |
| 30 | srlx %o0, 63, %o0 | |
| 31 | END (__isnan) | |
| 32 | hidden_def (__isnan) | |
| 33 | weak_alias (__isnan, isnan) |