microkernel: hot paths are pretty fucking hot

libraries/libmesosphere/source/svc/kern_svc_ipc.cpp

@@ -17,6 +17,9 @@
 
 namespace ams::kern::svc {
 
+    #pragma GCC push_options
+    #pragma GCC optimize ("-O2")
+
     /* =============================    Common    ============================= */
 
     namespace {
@@ -304,4 +307,6 @@ namespace ams::kern::svc {
         return ReplyAndReceiveWithUserBuffer(out_index, message_buffer, message_buffer_size, handles, num_handles, reply_target, timeout_ns);
     }
 
+    #pragma GCC pop_options
+
 }