Function core::arch::aarch64::__tstart

pub unsafe fn __tstart() -> u64

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

This is supported on (non-crate feature miri-test-libstd or test or doctest) and AArch64 and target feature tme only.

Starts a new transaction. When the transaction starts successfully the return value is 0. If the transaction fails, all state modifications are discarded and a cause of the failure is encoded in the return value.

ARM TME Intrinsics.