| /SPARTAN/trunk/arch/ia32/include/barrier.h |
|---|
| 43,8 → 43,18 |
| #define CS_ENTER_BARRIER() __asm__ volatile ("" ::: "memory") |
| #define CS_LEAVE_BARRIER() __asm__ volatile ("" ::: "memory") |
| #ifdef __STRONG_ORDERING__ |
| #define memory_barrier() |
| #define read_barrier() |
| #define write_barrier() |
| #else |
| #define memory_barrier() __asm__ volatile ("mfence\n" ::: "memory") |
| #define read_barrier() __asm__ volatile ("sfence\n" ::: "memory") |
| #define write_barrier() __asm__ volatile ("lfence\n" ::: "memory") |
| #endif |
| #endif |