* optimizations (e.g. VSS: Value Speculation Scheduling) does not perform the
* data read before the pointer read by speculating the value of the pointer.
* Correct ordering is ensured because the pointer is read as a volatile access.
* optimizations (e.g. VSS: Value Speculation Scheduling) does not perform the
* data read before the pointer read by speculating the value of the pointer.
* Correct ordering is ensured because the pointer is read as a volatile access.