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2024-07-02 18:10:39 +02:00
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+///////////////////////////////////////////////////////////////////////////////
+// Copyright (c) Electronic Arts Inc. All rights reserved.
+///////////////////////////////////////////////////////////////////////////////
+
+#if defined(EA_PRAGMA_ONCE_SUPPORTED)
+	#pragma once // Some compilers (e.g. VC++) benefit significantly from using this. We've measured 3-4% build speed improvements in apps as a result.
+#endif
+
+/////////////////////////////////////////////////////////////////////////////
+// Functionality related to memory and code generation synchronization.
+//
+// Created by Rob Parolin 
+/////////////////////////////////////////////////////////////////////////////
+
+
+#ifndef EATHREAD_ARM_EATHREAD_SYNC_ARM_H
+#define EATHREAD_ARM_EATHREAD_SYNC_ARM_H
+
+#include <EABase/eabase.h>
+
+
+#if defined(EA_COMPILER_CLANG)
+	#define EA_THREAD_SYNC_IMPLEMENTED
+
+	#define EAProcessorPause()
+
+	#define EAReadBarrier      __sync_synchronize
+	#define EAWriteBarrier     __sync_synchronize
+	#define EAReadWriteBarrier __sync_synchronize
+
+	#define EACompilerMemoryBarrier() __asm__ __volatile__ ("" : : : "memory")
+
+
+#elif defined(EA_COMPILER_GNUC)
+	#define EA_THREAD_SYNC_IMPLEMENTED
+
+	#define EAProcessorPause()
+
+	#if (((__GNUC__ * 100) + __GNUC_MINOR__) >= 401) // GCC 4.1 or later
+		#define EAReadBarrier      __sync_synchronize
+		#define EAWriteBarrier     __sync_synchronize
+		#define EAReadWriteBarrier __sync_synchronize
+	#else
+		#define EAReadBarrier      EACompilerMemoryBarrier
+		#define EAWriteBarrier     EACompilerMemoryBarrier
+		#define EAReadWriteBarrier EACompilerMemoryBarrier
+	#endif
+
+	#define EACompilerMemoryBarrier() __asm__ __volatile__ ("" : : : "memory")
+
+#endif
+
+#endif // EATHREAD_ARM_EATHREAD_SYNC_ARM_H
+