diff --git a/core/sync/sync.odin b/core/sync/sync.odin index 5a0512275..a899fdc8a 100644 --- a/core/sync/sync.odin +++ b/core/sync/sync.odin @@ -1,8 +1,9 @@ package sync -foreign { - @(link_name="llvm.x86.sse2.pause") - yield_processor :: proc() --- +import "core:intrinsics" + +cpu_relax :: inline proc() { + intrinsics.cpu_relax(); } Ticket_Mutex :: struct { @@ -18,7 +19,7 @@ ticket_mutex_init :: proc(m: ^Ticket_Mutex) { ticket_mutex_lock :: inline proc(m: ^Ticket_Mutex) { ticket := atomic_add(&m.ticket, 1, .Relaxed); for ticket != m.serving { - yield_processor(); + intrinsics.cpu_relax(); } } diff --git a/core/thread/thread_unix.odin b/core/thread/thread_unix.odin index 53b8790d7..fe31ce1ff 100644 --- a/core/thread/thread_unix.odin +++ b/core/thread/thread_unix.odin @@ -2,6 +2,7 @@ package thread; import "core:runtime" +import "core:intrinsics" import "core:sync" import "core:sys/unix" @@ -134,7 +135,7 @@ join :: proc(t: ^Thread) { if sync.atomic_swap(&t.already_joined, true, .Sequentially_Consistent) { for { if sync.atomic_load(&t.done, .Sequentially_Consistent) do return; - sync.yield_processor(); + intrinsics.cpu_relax(); } }