Function __ttest

pub unsafe fn __ttest() -> u64

🔬This is a nightly-only experimental API. (stdarch_aarch64_tme #117216)

Available on (AArch64 or target_arch="arm64ec") and target feature tme only.

Tests if executing inside a transaction. If no transaction is currently executing, the return value is 0. Otherwise, this intrinsic returns the depth of the transaction.

ARM TME Intrinsics.