diff options
| -rw-r--r-- | src/base/atomicops-internals-windows.h | 37 |
1 files changed, 14 insertions, 23 deletions
diff --git a/src/base/atomicops-internals-windows.h b/src/base/atomicops-internals-windows.h index bd42c82..5c1ae8c 100644 --- a/src/base/atomicops-internals-windows.h +++ b/src/base/atomicops-internals-windows.h @@ -434,16 +434,12 @@ inline Atomic64 Barrier_AtomicIncrement(volatile Atomic64* ptr, #endif } -inline void NoBarrier_Store(volatile Atomic64* ptr, Atomic64 value) { -#if 0 // Not implemented - __asm { - mov mm0, value; // Use mmx reg for 64-bit atomic moves - mov ptr, mm0; - emms; // Empty mmx state to enable FP registers - } -#else - NotImplementedFatalError("NoBarrier_Store"); -#endif +inline void NoBarrier_Store(volatile Atomic64* ptrValue, Atomic64 value) { + __asm { + movq mm0, value; // Use mmx reg for 64-bit atomic moves + movq ptrValue, mm0; + emms; // Empty mmx state to enable FP registers + } } inline void Acquire_Store(volatile Atomic64* ptr, Atomic64 value) { @@ -455,19 +451,14 @@ inline void Release_Store(volatile Atomic64* ptr, Atomic64 value) { NoBarrier_Store(ptr, value); } -inline Atomic64 NoBarrier_Load(volatile const Atomic64* ptr) { -#if 0 // Not implemented - Atomic64 value; - __asm { - mov mm0, ptr; // Use mmx reg for 64-bit atomic moves - mov value, mm0; - emms; // Empty mmx state to enable FP registers - } - return value; -#else - NotImplementedFatalError("NoBarrier_Store"); - return 0; -#endif +inline Atomic64 NoBarrier_Load(volatile const Atomic64* ptrValue) { + Atomic64 value; + __asm { + movq mm0, ptrValue; // Use mmx reg for 64-bit atomic moves + movq value, mm0; + emms; // Empty mmx state to enable FP registers + } + return value; } inline Atomic64 Acquire_Load(volatile const Atomic64* ptr) { |