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 x86-64 and target feature rtm 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。