projects / thirdparty / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| 7adcbafe | 1 | /* Copyright (C) 2009-2022 Free Software Foundation, Inc. |
| 0a35513e AH |
2 | Contributed by Richard Henderson <rth@redhat.com>. |
| 3 | ||
| 4 | This file is part of the GNU Transactional Memory Library (libitm). | |
| 5 | ||
| 6 | Libitm is free software; you can redistribute it and/or modify it | |
| 7 | under the terms of the GNU General Public License as published by | |
| 8 | the Free Software Foundation; either version 3 of the License, or | |
| 9 | (at your option) any later version. | |
| 10 | ||
| 11 | Libitm is distributed in the hope that it will be useful, but WITHOUT ANY | |
| 12 | WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS | |
| 13 | FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
| 14 | more details. | |
| 15 | ||
| 16 | Under Section 7 of GPL version 3, you are granted additional | |
| 17 | permissions described in the GCC Runtime Library Exception, version | |
| 18 | 3.1, as published by the Free Software Foundation. | |
| 19 | ||
| 20 | You should have received a copy of the GNU General Public License and | |
| 21 | a copy of the GCC Runtime Library Exception along with this program; | |
| 22 | see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
| 23 | <http://www.gnu.org/licenses/>. */ | |
| 24 | ||
| 25 | namespace GTM HIDDEN { | |
| 26 | ||
| 27 | typedef struct gtm_jmpbuf | |
| 28 | { | |
| 29 | unsigned long pc; | |
| 30 | unsigned long s[7]; | |
| 31 | void *cfa; | |
| 32 | unsigned long f[8]; | |
| 33 | } gtm_jmpbuf; | |
| 34 | ||
| 0a35513e AH |
35 | /* The size of one line in hardware caches (in bytes). */ |
| 36 | #define HW_CACHELINE_SIZE 64 | |
| 37 | ||
| 38 | static inline void | |
| 39 | cpu_relax (void) | |
| 40 | { | |
| 41 | __asm volatile ("" : : : "memory"); | |
| 42 | } | |
| 43 | ||
| 0a35513e | 44 | } // namespace GTM |