Constant core::arch::aarch64::_TMFAILURE_RTRY

pub const _TMFAILURE_RTRY: u64 = 1 << 15; // 0x0000_0000_0000_8000u64

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

This is supported on AArch64 only.

事务重试是可能的。