| #include <intrin.h> |
| |
| #ifdef _WIN64 |
| __int64 _InterlockedCompareExchange64(__int64 volatile *Destination, __int64 ExChange, __int64 Comperand) |
| { |
| __int64 prev; |
| __asm__ __volatile__("lock ; cmpxchgq %1,%2" : "=a" (prev) : "q" (ExChange),"m" (*Destination), "0" (Comperand) : "memory"); |
| return prev; |
| } |
| #else |
| __int64 _InterlockedCompareExchange64(volatile __int64 *Destination, __int64 Exchange, __int64 Comperand); |
| |
| __int64 _InterlockedCompareExchange64(volatile __int64 *Destination, __int64 Exchange, __int64 Comperand) |
| { |
| __int64 retval = Comperand; |
| __asm__ __volatile__ |
| ( |
| "lock; cmpxchg8b %[Destination]" : |
| [retval] "+A" (retval) : |
| [Destination] "m" (*Destination), |
| "b" ((unsigned long)((Exchange >> 0) & 0xFFFFFFFF)), |
| "c" ((unsigned long)((Exchange >> 32) & 0xFFFFFFFF)) : |
| "memory" |
| ); |
| |
| return retval; |
| } |
| #endif |
| |
| #ifdef _WIN64 |
| __int64 InterlockedCompareExchange64(__int64 volatile *, __int64, __int64) __attribute__((alias("_InterlockedCompareExchange64"))); |
| #else |
| __int64 __stdcall InterlockedCompareExchange64(__int64 volatile *Destination, |
| __int64 ExChange, __int64 Comperand); |
| __int64 __stdcall InterlockedCompareExchange64(__int64 volatile *Destination, |
| __int64 ExChange, __int64 Comperand) |
| { |
| return _InterlockedCompareExchange64 (Destination, ExChange, Comperand); |
| } |
| #endif |
| |