--- a/hotspot/src/cpu/ppc/vm/c2_globals_ppc.hpp Fri Dec 04 14:06:38 2015 +0100
+++ b/hotspot/src/cpu/ppc/vm/c2_globals_ppc.hpp Fri Dec 04 16:38:04 2015 +0100
@@ -39,7 +39,7 @@
define_pd_global(bool, ProfileTraps, true);
define_pd_global(bool, UseOnStackReplacement, true);
define_pd_global(bool, ProfileInterpreter, true);
-define_pd_global(bool, TieredCompilation, false);
+define_pd_global(bool, TieredCompilation, true);
define_pd_global(intx, CompileThreshold, 10000);
define_pd_global(intx, OnStackReplacePercentage, 140);