--- qemu/tcg/ppc64/tcg-target.h	2018/04/24 16:51:10	1.1
+++ qemu/tcg/ppc64/tcg-target.h	2018/04/24 17:35:29	1.1.1.3
@@ -81,4 +81,5 @@ enum {
 #define TCG_AREG0 TCG_REG_R27
 #define TCG_AREG1 TCG_REG_R24
 #define TCG_AREG2 TCG_REG_R25
-#define TCG_AREG3 TCG_REG_R26
+
+#define TCG_TARGET_HAS_GUEST_BASE