63 #define inlasm_sync()     __asm__ __volatile__ ("sync"   : : : "memory");
  64 #define inlasm_lwsync()   __asm__ __volatile__ ("lwsync" : : : "memory");
  65 #define inlasm_eieio()    __asm__ __volatile__ ("eieio"  : : : "memory");
  66 #define inlasm_isync()    __asm__ __volatile__ ("isync"  : : : "memory");
  67 // Use twi-isync for load_acquire (faster than lwsync).
  68 // ATTENTION: seems like xlC 10.1 has problems with this inline assembler macro (VerifyMethodHandles found "bad vminfo in AMH.conv"):
  69 // #define inlasm_acquire_reg(X) __asm__ __volatile__ ("twi 0,%0,0\n isync\n" : : "r" (X) : "memory");
  70 #define inlasm_acquire_reg(X) inlasm_lwsync();
  71 
  72 inline void OrderAccess::loadload()   { inlasm_lwsync(); }
  73 inline void OrderAccess::storestore() { inlasm_lwsync(); }
  74 inline void OrderAccess::loadstore()  { inlasm_lwsync(); }
  75 inline void OrderAccess::storeload()  { inlasm_sync();   }
  76 
  77 inline void OrderAccess::acquire()    { inlasm_lwsync(); }
  78 inline void OrderAccess::release()    { inlasm_lwsync(); }
  79 inline void OrderAccess::fence()      { inlasm_sync();   }
  80 
  81 template<size_t byte_size>
  82 struct OrderAccess::PlatformOrderedLoad<byte_size, X_ACQUIRE>
  83   VALUE_OBJ_CLASS_SPEC
  84 {
  85   template <typename T>
  86   T operator()(const volatile T* p) const { register T t = Atomic::load(p); inlasm_acquire_reg(t); return t; }
  87 };
  88 
  89 #undef inlasm_sync
  90 #undef inlasm_lwsync
  91 #undef inlasm_eieio
  92 #undef inlasm_isync
  93 
  94 #endif // OS_CPU_AIX_OJDKPPC_VM_ORDERACCESS_AIX_PPC_INLINE_HPP

  63 #define inlasm_sync()     __asm__ __volatile__ ("sync"   : : : "memory");
  64 #define inlasm_lwsync()   __asm__ __volatile__ ("lwsync" : : : "memory");
  65 #define inlasm_eieio()    __asm__ __volatile__ ("eieio"  : : : "memory");
  66 #define inlasm_isync()    __asm__ __volatile__ ("isync"  : : : "memory");
  67 // Use twi-isync for load_acquire (faster than lwsync).
  68 // ATTENTION: seems like xlC 10.1 has problems with this inline assembler macro (VerifyMethodHandles found "bad vminfo in AMH.conv"):
  69 // #define inlasm_acquire_reg(X) __asm__ __volatile__ ("twi 0,%0,0\n isync\n" : : "r" (X) : "memory");
  70 #define inlasm_acquire_reg(X) inlasm_lwsync();
  71 
  72 inline void OrderAccess::loadload()   { inlasm_lwsync(); }
  73 inline void OrderAccess::storestore() { inlasm_lwsync(); }
  74 inline void OrderAccess::loadstore()  { inlasm_lwsync(); }
  75 inline void OrderAccess::storeload()  { inlasm_sync();   }
  76 
  77 inline void OrderAccess::acquire()    { inlasm_lwsync(); }
  78 inline void OrderAccess::release()    { inlasm_lwsync(); }
  79 inline void OrderAccess::fence()      { inlasm_sync();   }
  80 
  81 template<size_t byte_size>
  82 struct OrderAccess::PlatformOrderedLoad<byte_size, X_ACQUIRE>

  83 {
  84   template <typename T>
  85   T operator()(const volatile T* p) const { register T t = Atomic::load(p); inlasm_acquire_reg(t); return t; }
  86 };
  87 
  88 #undef inlasm_sync
  89 #undef inlasm_lwsync
  90 #undef inlasm_eieio
  91 #undef inlasm_isync
  92 
  93 #endif // OS_CPU_AIX_OJDKPPC_VM_ORDERACCESS_AIX_PPC_INLINE_HPP