Function tract_hir::internal::tract_downcast_rs::__std::arch::x86_64::_xbegin

pub unsafe fn _xbegin() -> u32

🔬 This is a nightly-only experimental API. (stdsimd)

This is supported on x86-64 and target feature rtm only.

Specifies the start of a restricted transactional memory (RTM) code region and returns a value indicating status.

Intel’s documentation.