Function tracing_core::stdlib::arch::x86_64::_xtest

pub unsafe fn _xtest() -> u8

🔬This is a nightly-only experimental API. (stdarch_x86_rtm #111138)

Available on x86-64 only.

Queries whether the processor is executing in a transactional region identified by restricted transactional memory (RTM) or hardware lock elision (HLE).

Intel’s documentation.