diff options
Diffstat (limited to 'includes/Atomic.h')
-rw-r--r-- | includes/Atomic.h | 73 |
1 files changed, 0 insertions, 73 deletions
diff --git a/includes/Atomic.h b/includes/Atomic.h deleted file mode 100644 index d084d31..0000000 --- a/includes/Atomic.h +++ /dev/null @@ -1,73 +0,0 @@ -#pragma once - -namespace Balau { - -namespace Atomic { - -#if (__GNUC__ >= 5) || ((__GNUC__ == 4) && ((__GNUC_MINOR__ >= 1))) -// gcc version of the atomic operations -template <class T> T Or(volatile T * ptr, T mask) { return __sync_or_and_fetch(ptr, mask); } -template <class T> T And(volatile T * ptr, T mask) { return __sync_and_and_fetch(ptr, mask); } -template <class T> T Xor(volatile T * ptr, T mask) { return __sync_xor_and_fetch(ptr, mask); } -template <class T> T Nand(volatile T * ptr, T mask) { return __sync_nand_and_fetch(ptr, mask); } -template <class T> T Increment(volatile T * ptr, T delta = 1) { return __sync_add_and_fetch(ptr, delta); } -template <class T> T Decrement(volatile T * ptr, T delta = 1) { return __sync_sub_and_fetch(ptr, delta); } - -namespace Prefetch { -template <class T> T Or(volatile T * ptr, T mask) { return __sync_fetch_and_or(ptr, mask); } -template <class T> T And(volatile T * ptr, T mask) { return __sync_fetch_and_and(ptr, mask); } -template <class T> T Xor(volatile T * ptr, T mask) { return __sync_fetch_and_xor(ptr, mask); } -template <class T> T Nand(volatile T * ptr, T mask) { return __sync_fetch_and_nand(ptr, mask); } -template <class T> T Increment(volatile T * ptr, T delta = 1) { return __sync_fetch_and_add(ptr, delta); } -template <class T> T Decrement(volatile T * ptr, T delta = 1) { return __sync_fetch_and_sub(ptr, delta); } -}; - -template <class T> T CmpXChgVal(volatile T * ptr, const T xch, const T cmp) { return __sync_val_compare_and_swap(ptr, cmp, xch); } -template <class T> bool CmpXChgBool(volatile T * ptr, const T xch, const T cmp) { return __sync_bool_compare_and_swap(ptr, cmp, xch); } - -static inline void MemoryFence() { __sync_synchronize(); } - -template <class T> T Exchange32(volatile T * ptr, const T exchange) { -#if defined(i386) || defined (__x86_64) - __asm__ __volatile__("lock xchgl %0, (%1)" : "+r"(exchange) : "r"(ptr)); - return exchange; -#else - T p; - do { p = *ptr; } while (!__sync_bool_compare_and_swap(ptr, p, exchange)); - return p; -#endif -} - -template <class T> T Exchange64(volatile T * ptr, const T exchange) { -#if defined(i386) || defined (__x86_64) - __asm__ __volatile__("lock xchgq %0, (%1)" : "+r"(exchange) : "r"(ptr)); - return exchange; -#else - T p; - do { p = *ptr; } while (!__sync_bool_compare_and_swap(ptr, p, exchange)); - return p; -#endif -} - -#else -#ifdef _MSVC -// Visual Studio version of the atomic operations - -#error MSVC not yet implemented. - -#else -#error No known platform for atomic operations. -#endif -#endif - -template <class T> T * ExchangePtr(T * volatile * ptr, const T * exchange) { -#if defined (__x86_64) - return Exchange64(ptr, exchange); -#else - return Exchange32(ptr, exchange); -#endif -} - -}; - -}; |