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 x86-64 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。