diff --git a/tests/regression/Makefile b/tests/regression/Makefile
index 9cddd258..280c9b4b 100644
--- a/tests/regression/Makefile
+++ b/tests/regression/Makefile
@@ -4,6 +4,8 @@ all:
 	$(MAKE) -C dogfood
 	$(MAKE) -C mstress
 	$(MAKE) -C io_addr
+	$(MAKE) -C printf
+	$(MAKE) -C diverge
 
 run:
 	$(MAKE) -C basic run-vlsim
@@ -11,6 +13,8 @@ run:
 	$(MAKE) -C dogfood run-vlsim
 	$(MAKE) -C mstress run-vlsim
 	$(MAKE) -C io_addr run-vlsim
+	$(MAKE) -C printf run-vlsim
+	$(MAKE) -C diverge run-vlsim
 
 clean:
 	$(MAKE) -C basic clean
@@ -18,6 +22,8 @@ clean:
 	$(MAKE) -C dogfood clean
 	$(MAKE) -C mstress clean
 	$(MAKE) -C io_addr clean
+	$(MAKE) -C printf clean
+	$(MAKE) -C diverge clean
 
 clean-all:
 	$(MAKE) -C basic clean-all
@@ -25,4 +31,6 @@ clean-all:
 	$(MAKE) -C dogfood clean-all
 	$(MAKE) -C mstress clean-all
 	$(MAKE) -C io_addr clean-all
+	$(MAKE) -C printf clean-all
+	$(MAKE) -C diverge clean-all