On ARM64 use ISB to yield CPU in spinlocks.

https://github.com/rust-lang/rust/commit/c064b6560b7ce0adeb9bbf5d7dcf12b1acb0c807
2025-03-20 07:40:02 +08:00 · 2022-06-23 01:15:55 +02:00
parent 68de009e0e
commit 1625a45c31
1 changed files with 2 additions and 0 deletions
@@ -16,6 +16,8 @@ static tracy_force_inline void YieldThread()
 {
 #if defined __SSE2__ || defined _M_AMD64 || _M_IX86_FP == 2
    _mm_pause();
+#elif defined __aarch64__
+    asm volatile( "isb" : : );
 #else
    std::this_thread::yield();
 #endif