Thread stuff

src/lib.rs

@@ -65,7 +65,7 @@
 
 #![warn(missing_docs)]
 #![allow(clippy::mutex_atomic)]
-#![cfg_attr(feature = "nightly", feature(thread_local, core_intrinsics))]
+#![cfg_attr(feature = "nightly", feature(thread_local))]
 
 mod cached;
 mod mutex;

src/thread_id.rs

@@ -15,6 +15,7 @@ use std::{mem, ptr};
 use std::mem::MaybeUninit;
 use std::num::NonZeroUsize;
 use std::ptr::{addr_of, null};
+use likely_stable::likely;
 
 /// Thread ID manager which allocates thread IDs. It attempts to aggressively
 /// reuse thread IDs where possible to avoid cases where a ThreadLocal grows
@@ -140,8 +141,6 @@ cfg_if::cfg_if! {
         /// Returns a thread ID for the current thread, allocating one if needed.
         #[inline]
         pub(crate) fn get() -> Thread {
-            use std::intrinsics::likely;
-            // prefetch_read_data();
             let thread = unsafe { *THREAD.get() };
             if likely(!thread.self_ptr.is_null()) {
                 unsafe { thread.self_ptr.read() }