| diff --git a/src/bthread/task_group.cpp b/src/bthread/task_group.cpp |
| index b8ead163..94ce5eb7 100644 |
| --- a/src/bthread/task_group.cpp |
| +++ b/src/bthread/task_group.cpp |
| @@ -248,6 +248,9 @@ int TaskGroup::init(size_t runqueue_capacity) { |
| return 0; |
| } |
| |
| +#if defined(__linux__) && defined(__aarch64__) && defined(__clang__) |
| + __attribute__((optnone)) |
| +#endif |
| void TaskGroup::task_runner(intptr_t skip_remained) { |
| // NOTE: tls_task_group is volatile since tasks are moved around |
| // different groups. |
| @@ -567,6 +570,9 @@ void TaskGroup::sched(TaskGroup** pg) { |
| sched_to(pg, next_tid); |
| } |
| |
| +#if defined(__linux__) && defined(__aarch64__) && defined(__clang__) |
| + __attribute__((optnone)) |
| +#endif |
| void TaskGroup::sched_to(TaskGroup** pg, TaskMeta* next_meta) { |
| TaskGroup* g = *pg; |
| #ifndef NDEBUG |
