diff --git a/Source/Core/Common/Src/Thread.cpp b/Source/Core/Common/Src/Thread.cpp index 3e6032bdbd..ab045a808e 100644 --- a/Source/Core/Common/Src/Thread.cpp +++ b/Source/Core/Common/Src/Thread.cpp @@ -390,8 +390,12 @@ LONG SyncInterlockedExchange(LONG *Dest, LONG Val) #if defined(__GNUC__) && defined (__GNUC_MINOR__) && ((4 < __GNUC__) || (4 == __GNUC__ && 1 <= __GNUC_MINOR__)) return __sync_lock_test_and_set(Dest, Val); #else - // TODO: - #error Implement support older GCC Versions + register int result; + __asm__ __volatile__("lock; xchg %0,%1" + : "=r" (result), "=m" (*Dest) + : "0" (Val), "m" (*Dest) + : "memory"); + return result; #endif }