| 1 | /* isinf(). sparc64 version. |
| 2 | Copyright (C) 2012-2024 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 | |
| 21 | ENTRY (__isinf) |
| 22 | std %f0, [%sp + STACK_BIAS + 128] |
| 23 | sethi %hi(0x7ff00000), %o2 |
| 24 | ldx [%sp + STACK_BIAS + 128], %g1 |
| 25 | sllx %o2, 32, %o2 |
| 26 | sllx %g1, 1, %o4 |
| 27 | srlx %o4, 1, %o5 |
| 28 | srax %g1, 62, %o0 |
| 29 | xor %o5, %o2, %o3 |
| 30 | retl |
| 31 | movrne %o3, %g0, %o0 |
| 32 | END (__isinf) |
| 33 | hidden_def (__isinf) |
| 34 | weak_alias (__isinf, isinf) |
| 35 | |