--- a/hotspot/make/aix/Makefile	Wed Mar 12 11:24:26 2014 -0700
+++ b/hotspot/make/aix/Makefile	Mon Mar 10 12:58:02 2014 +0100
@@ -70,6 +70,10 @@
     FORCE_TIERED=1
   endif
 endif
+# C1 is not ported on ppc64(le), so we cannot build a tiered VM:
+ifneq (,$(filter $(ARCH),ppc64 pp64le))
+  FORCE_TIERED=0
+endif
 
 ifdef LP64
   ifeq ("$(filter $(LP64_ARCH),$(BUILDARCH))","")