Function core::arch::x86_64::_xbegin[−][src]

pub unsafe fn _xbegin() -> u32

🔬 This is a nightly-only experimental API. (stdsimd #48556)

This is supported on (non-crate feature miri-test-libstd or test or doctest) and x86-64 and target feature rtm only.

Expand description

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