Function core::arch::x86::_xbegin

pub unsafe fn _xbegin() -> u32

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

Available on (x86 or x86-64) and target feature rtm and x86 only.

Expand description

指定受限制的事务性存储器 (RTM) 代码区域的开始，并返回一个指示状态的值。