projects / thirdparty / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| a945c346 | 1 | /* Copyright (C) 2012-2024 Free Software Foundation, Inc. |
| f3f5e3c3 EB |
2 | |
| 3 | This file is part of the GNU Transactional Memory Library (libitm). | |
| 4 | ||
| 5 | Libitm is free software; you can redistribute it and/or modify it | |
| 6 | under the terms of the GNU General Public License as published by | |
| 7 | the Free Software Foundation; either version 3 of the License, or | |
| 8 | (at your option) any later version. | |
| 9 | ||
| 10 | Libitm is distributed in the hope that it will be useful, but WITHOUT ANY | |
| 11 | WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS | |
| 12 | FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
| 13 | more details. | |
| 14 | ||
| 15 | Under Section 7 of GPL version 3, you are granted additional | |
| 16 | permissions described in the GCC Runtime Library Exception, version | |
| 17 | 3.1, as published by the Free Software Foundation. | |
| 18 | ||
| 19 | You should have received a copy of the GNU General Public License and | |
| 20 | a copy of the GCC Runtime Library Exception along with this program; | |
| 21 | see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
| 22 | <http://www.gnu.org/licenses/>. */ | |
| 23 | ||
| 24 | namespace GTM HIDDEN { | |
| 25 | ||
| 26 | typedef struct gtm_jmpbuf | |
| 27 | { | |
| 28 | void *cfa; | |
| 29 | unsigned long pc; | |
| 30 | } gtm_jmpbuf; | |
| 31 | ||
| f3f5e3c3 EB |
32 | /* The size of one line in hardware caches (in bytes). We use the primary |
| 33 | cache line size documented for the UltraSPARC T1/T2. */ | |
| 34 | #define HW_CACHELINE_SIZE 16 | |
| 35 | ||
| 36 | static inline void | |
| 37 | cpu_relax (void) | |
| 38 | { | |
| 62513f7b | 39 | __asm volatile ("rd %%ccr, %%g0" : : : "memory"); |
| f3f5e3c3 EB |
40 | } |
| 41 | ||
| 42 | } // namespace GTM |