intrinsics.h

//-----------------------------------------------------------------------------
// Application Core Library
// Copyright (c) 2009-2012 DuJardin Consulting, LLC.
// Portions Copyright (c) 2009 GarageGames, Inc.
//-----------------------------------------------------------------------------

#ifndef _PLATFORMINTRINSICS_H_
#define _PLATFORMINTRINSICS_H_

#ifndef _ACL_TYPES_H_
#  include "core/types.h"
#endif

#if defined( ACL_COMPILER_VISUALC )
#  include "core/intrinsics/intrinsics.visualc.h"
#elif defined ( ACL_COMPILER_GCC )
#  include "core/intrinsics/intrinsics.gcc.h"
#else
#  error No intrinsics implemented for compiler.
#endif

namespace ACLib
{

  //TODO: 64bit safe

  template< typename T >
  inline bool dCompareAndSwap( T* volatile& refPtr, T* oldPtr, T* newPtr )
  {
     return dCompareAndSwap( *reinterpret_cast< volatile U32* >( &refPtr ), ( U32 ) oldPtr, ( U32 ) newPtr );
  }

  // Test-And-Set

  inline bool dTestAndSet( volatile U32& ref )
  {
     return dCompareAndSwap( ref, 0, 1 );
  }
  inline bool dTestAndSet( volatile U64& ref )
  {
     return dCompareAndSwap( ref, 0, 1 );
  }
};
#endif // _PLATFORMINTRINSICS_H_