66 
  67 #define inlasm_sync()     __asm__ __volatile__ ("sync"   : : : "memory");
  68 #define inlasm_lwsync()   __asm__ __volatile__ ("lwsync" : : : "memory");
  69 #define inlasm_eieio()    __asm__ __volatile__ ("eieio"  : : : "memory");
  70 #define inlasm_isync()    __asm__ __volatile__ ("isync"  : : : "memory");
  71 // Use twi-isync for load_acquire (faster than lwsync).
  72 #define inlasm_acquire_reg(X) __asm__ __volatile__ ("twi 0,%0,0\n isync\n" : : "r" (X) : "memory");
  73 
  74 inline void   OrderAccess::loadload()   { inlasm_lwsync(); }
  75 inline void   OrderAccess::storestore() { inlasm_lwsync(); }
  76 inline void   OrderAccess::loadstore()  { inlasm_lwsync(); }
  77 inline void   OrderAccess::storeload()  { inlasm_sync();   }
  78 
  79 inline void   OrderAccess::acquire()    { inlasm_lwsync(); }
  80 inline void   OrderAccess::release()    { inlasm_lwsync(); }
  81 inline void   OrderAccess::fence()      { inlasm_sync();   }
  82 
  83 
  84 template<size_t byte_size>
  85 struct OrderAccess::PlatformOrderedLoad<byte_size, X_ACQUIRE>
  86   VALUE_OBJ_CLASS_SPEC
  87 {
  88   template <typename T>
  89   T operator()(const volatile T* p) const { register T t = Atomic::load(p); inlasm_acquire_reg(t); return t; }
  90 };
  91 
  92 #undef inlasm_sync
  93 #undef inlasm_lwsync
  94 #undef inlasm_eieio
  95 #undef inlasm_isync
  96 #undef inlasm_acquire_reg
  97 
  98 #endif // OS_CPU_LINUX_PPC_VM_ORDERACCESS_LINUX_PPC_INLINE_HPP

  66 
  67 #define inlasm_sync()     __asm__ __volatile__ ("sync"   : : : "memory");
  68 #define inlasm_lwsync()   __asm__ __volatile__ ("lwsync" : : : "memory");
  69 #define inlasm_eieio()    __asm__ __volatile__ ("eieio"  : : : "memory");
  70 #define inlasm_isync()    __asm__ __volatile__ ("isync"  : : : "memory");
  71 // Use twi-isync for load_acquire (faster than lwsync).
  72 #define inlasm_acquire_reg(X) __asm__ __volatile__ ("twi 0,%0,0\n isync\n" : : "r" (X) : "memory");
  73 
  74 inline void   OrderAccess::loadload()   { inlasm_lwsync(); }
  75 inline void   OrderAccess::storestore() { inlasm_lwsync(); }
  76 inline void   OrderAccess::loadstore()  { inlasm_lwsync(); }
  77 inline void   OrderAccess::storeload()  { inlasm_sync();   }
  78 
  79 inline void   OrderAccess::acquire()    { inlasm_lwsync(); }
  80 inline void   OrderAccess::release()    { inlasm_lwsync(); }
  81 inline void   OrderAccess::fence()      { inlasm_sync();   }
  82 
  83 
  84 template<size_t byte_size>
  85 struct OrderAccess::PlatformOrderedLoad<byte_size, X_ACQUIRE>

  86 {
  87   template <typename T>
  88   T operator()(const volatile T* p) const { register T t = Atomic::load(p); inlasm_acquire_reg(t); return t; }
  89 };
  90 
  91 #undef inlasm_sync
  92 #undef inlasm_lwsync
  93 #undef inlasm_eieio
  94 #undef inlasm_isync
  95 #undef inlasm_acquire_reg
  96 
  97 #endif // OS_CPU_LINUX_PPC_VM_ORDERACCESS_LINUX_PPC_INLINE_HPP