src/hotspot/os_cpu/windows_x86/atomic_windows_x86.hpp
changeset 59251 4cbfa5077d68
parent 59249 29b0d0b61615
child 59252 623722a6aeb9
equal deleted inserted replaced
59250:a6deb69743d4 59251:4cbfa5077d68
    77 }
    77 }
    78 
    78 
    79 #define DEFINE_STUB_XCHG(ByteSize, StubType, StubName)                  \
    79 #define DEFINE_STUB_XCHG(ByteSize, StubType, StubName)                  \
    80   template<>                                                            \
    80   template<>                                                            \
    81   template<typename T>                                                  \
    81   template<typename T>                                                  \
    82   inline T Atomic::PlatformXchg<ByteSize>::operator()(T exchange_value, \
    82   inline T Atomic::PlatformXchg<ByteSize>::operator()(T volatile* dest, \
    83                                                       T volatile* dest, \
    83                                                       T exchange_value, \
    84                                                       atomic_memory_order order) const { \
    84                                                       atomic_memory_order order) const { \
    85     STATIC_ASSERT(ByteSize == sizeof(T));                               \
    85     STATIC_ASSERT(ByteSize == sizeof(T));                               \
    86     return xchg_using_helper<StubType>(StubName, exchange_value, dest); \
    86     return xchg_using_helper<StubType>(StubName, dest, exchange_value); \
    87   }
    87   }
    88 
    88 
    89 DEFINE_STUB_XCHG(4, int32_t, os::atomic_xchg_func)
    89 DEFINE_STUB_XCHG(4, int32_t, os::atomic_xchg_func)
    90 DEFINE_STUB_XCHG(8, int64_t, os::atomic_xchg_long_func)
    90 DEFINE_STUB_XCHG(8, int64_t, os::atomic_xchg_long_func)
    91 
    91 
   125   }
   125   }
   126 }
   126 }
   127 
   127 
   128 template<>
   128 template<>
   129 template<typename T>
   129 template<typename T>
   130 inline T Atomic::PlatformXchg<4>::operator()(T exchange_value,
   130 inline T Atomic::PlatformXchg<4>::operator()(T volatile* dest,
   131                                              T volatile* dest,
   131                                              T exchange_value,
   132                                              atomic_memory_order order) const {
   132                                              atomic_memory_order order) const {
   133   STATIC_ASSERT(4 == sizeof(T));
   133   STATIC_ASSERT(4 == sizeof(T));
   134   // alternative for InterlockedExchange
   134   // alternative for InterlockedExchange
   135   __asm {
   135   __asm {
   136     mov eax, exchange_value;
   136     mov eax, exchange_value;