kern: tweak optimization settings for hot paths

libraries/libmesosphere/source/svc/kern_svc_ipc.cpp

@@ -18,7 +18,7 @@
 namespace ams::kern::svc {
 
     #pragma GCC push_options
-    #pragma GCC optimize ("-O2")
+    #pragma GCC optimize ("-O3")
 
     /* =============================    Common    ============================= */