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src/os_cpu/linux_zero/vm/atomic_linux_zero.hpp
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rev 13452 : [mq]: coleen_review1
rev 13458 : imported patch cmpxchg_using_helper
@@ -269,15 +269,16 @@
template<typename T>
inline T Atomic::PlatformCmpxchg<4>::operator()(T exchange_value,
T volatile* dest,
T compare_value,
cmpxchg_memory_order order) {
+ STATIC_ASSERT(4 == sizeof(T));
#ifdef ARM
- return cmpxchg_using_stub<int>(arm_compare_and_swap, exchange_value, dest, compare_value);
+ return cmpxchg_using_helper<int>(arm_compare_and_swap, exchange_value, dest, compare_value);
#else
#ifdef M68K
- return cmpxchg_using_stub<int>(m68k_compare_and_swap, exchange_value, dest, compare_value);
+ return cmpxchg_using_helper<int>(m68k_compare_and_swap, exchange_value, dest, compare_value);
#else
return __sync_val_compare_and_swap(dest, compare_value, exchange_value);
#endif // M68K
#endif // ARM
}
@@ -286,10 +287,11 @@
template<typename T>
inline T Atomic::PlatformCmpxchg<8>::operator()(T exchange_value,
T volatile* dest,
T compare_value,
cmpxchg_memory_order order) {
+ STATIC_ASSERT(8 == sizeof(T));
return __sync_val_compare_and_swap(dest, compare_value, exchange_value);
}
inline jlong Atomic::load(const volatile jlong* src) {
volatile jlong dest;
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