AddFloat32 atomically adds delta to *addr and returns the new value.

AddFloat64 atomically adds delta to *addr and returns the new value.

CompareAndSwapFloat32 executes the compare-and-swap operation for an float32 value.

CompareAndSwapFloat64 executes the compare-and-swap operation for an float64 value.

LoadFloat32 atomically loads *addr.

LoadFloat64 atomically loads *addr.

StoreFloat32 atomically stores val into *addr.

StoreFloat64 atomically stores val into *addr.

SwapFloat32 atomically stores new into *addr and returns the previous *addr value.

SwapFloat64 atomically stores new into *addr and returns the previous *addr value.