diff options
Diffstat (limited to 'libstdc++-v3/include/std/atomic')
| -rw-r--r-- | libstdc++-v3/include/std/atomic | 36 |
1 files changed, 20 insertions, 16 deletions
diff --git a/libstdc++-v3/include/std/atomic b/libstdc++-v3/include/std/atomic index bdc1f25e542..a218a4dcc2d 100644 --- a/libstdc++-v3/include/std/atomic +++ b/libstdc++-v3/include/std/atomic @@ -230,35 +230,39 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION _Tp load(memory_order __m = memory_order_seq_cst) const noexcept - { - _Tp tmp; - __atomic_load(&_M_i, &tmp, __m); - return tmp; + { + alignas(_Tp) unsigned char __buf[sizeof(_Tp)]; + _Tp* __ptr = reinterpret_cast<_Tp*>(__buf); + __atomic_load(&_M_i, __ptr, __m); + return *__ptr; } _Tp load(memory_order __m = memory_order_seq_cst) const volatile noexcept - { - _Tp tmp; - __atomic_load(&_M_i, &tmp, __m); - return tmp; + { + alignas(_Tp) unsigned char __buf[sizeof(_Tp)]; + _Tp* __ptr = reinterpret_cast<_Tp*>(__buf); + __atomic_load(&_M_i, __ptr, __m); + return *__ptr; } _Tp exchange(_Tp __i, memory_order __m = memory_order_seq_cst) noexcept - { - _Tp tmp; - __atomic_exchange(&_M_i, &__i, &tmp, __m); - return tmp; + { + alignas(_Tp) unsigned char __buf[sizeof(_Tp)]; + _Tp* __ptr = reinterpret_cast<_Tp*>(__buf); + __atomic_exchange(&_M_i, &__i, __ptr, __m); + return *__ptr; } _Tp exchange(_Tp __i, memory_order __m = memory_order_seq_cst) volatile noexcept - { - _Tp tmp; - __atomic_exchange(&_M_i, &__i, &tmp, __m); - return tmp; + { + alignas(_Tp) unsigned char __buf[sizeof(_Tp)]; + _Tp* __ptr = reinterpret_cast<_Tp*>(__buf); + __atomic_exchange(&_M_i, &__i, __ptr, __m); + return *__ptr; } bool |