diff --git a/Android.mk b/Android.mk
index 6139cb9..5c86285 100644
--- a/Android.mk
+++ b/Android.mk
@@ -99,6 +99,8 @@
 include $(art_path)/tools/Android.mk
 include $(art_build_path)/Android.oat.mk
 
+
+
 # ART_HOST_DEPENDENCIES depends on Android.executable.mk above for ART_HOST_EXECUTABLES
 ART_HOST_DEPENDENCIES := $(ART_HOST_EXECUTABLES) $(HOST_OUT_JAVA_LIBRARIES)/core-libart-hostdex.jar
 ART_HOST_DEPENDENCIES += $(HOST_OUT_SHARED_LIBRARIES)/libjavacore$(ART_HOST_SHLIB_EXTENSION)
@@ -110,11 +112,18 @@
 include $(art_path)/test/Android.mk
 include $(art_build_path)/Android.gtest.mk
 
+$(eval $(call combine-art-multi-target-var,ART_TARGET_GTEST_TARGETS))
+$(eval $(call combine-art-multi-target-var,ART_TARGET_GTEST_EXECUTABLES))
+
 # The ART_*_TEST_DEPENDENCIES definitions:
 # - depend on Android.oattest.mk above for ART_TEST_*_DEX_FILES
 # - depend on Android.gtest.mk above for ART_*_GTEST_EXECUTABLES
 ART_HOST_TEST_DEPENDENCIES   := $(ART_HOST_DEPENDENCIES)   $(ART_HOST_GTEST_EXECUTABLES)   $(ART_TEST_HOST_DEX_FILES)   $(HOST_CORE_IMG_OUT)
-ART_TARGET_TEST_DEPENDENCIES := $(ART_TARGET_DEPENDENCIES) $(ART_TARGET_GTEST_EXECUTABLES) $(ART_TEST_TARGET_DEX_FILES) $(TARGET_CORE_IMG_OUT)
+
+define declare-art-target-test-dependencies-var
+ART_TARGET_TEST_DEPENDENCIES$(1) := $(ART_TARGET_DEPENDENCIES) $(ART_TARGET_GTEST_EXECUTABLES$(1)) $(ART_TEST_TARGET_DEX_FILES$(1)) $(TARGET_CORE_IMG_OUT$(1))
+endef
+$(eval $(call call-art-multi-target-var,declare-art-target-test-dependencies-var,ART_TARGET_TEST_DEPENDENCIES))
 
 include $(art_build_path)/Android.libarttest.mk
 
@@ -209,46 +218,69 @@
 # target test targets
 
 # "mm test-art-target" to build and run all target tests
-.PHONY: test-art-target
-test-art-target: test-art-target-gtest test-art-target-oat test-art-target-run-test
-	@echo test-art-target PASSED
+define declare-test-art-target
+.PHONY: test-art-target$(1)
+test-art-target$(1): test-art-target-gtest$(1) test-art-target-oat$(1) test-art-target-run-test$(1)
+	@echo test-art-target$(1) PASSED
+endef
+$(eval $(call call-art-multi-target-rule,declare-test-art-target,test-art-target))
 
-.PHONY: test-art-target-dependencies
-test-art-target-dependencies: $(ART_TARGET_TEST_DEPENDENCIES) $(ART_TEST_OUT)/libarttest.so
+
+define declare-test-art-target-dependencies
+.PHONY: test-art-target-dependencies$(1)
+test-art-target-dependencies$(1): $(ART_TARGET_TEST_DEPENDENCIES$(1)) $(ART_TEST_OUT)/libarttest.so
+endef
+$(eval $(call call-art-multi-target-rule,declare-test-art-target-dependencies,test-art-target-dependencies))
+
 
 .PHONY: test-art-target-sync
-test-art-target-sync: test-art-target-dependencies
+test-art-target-sync: test-art-target-dependencies$(ART_PHONY_TEST_TARGET_SUFFIX) test-art-target-dependencies$(2ND_ART_PHONY_TEST_TARGET_SUFFIX)
 	adb remount
 	adb sync
 	adb shell mkdir -p $(ART_TEST_DIR)
 
-.PHONY: test-art-target-gtest
-test-art-target-gtest: $(ART_TARGET_GTEST_TARGETS)
 
-.PHONY: test-art-target-oat
-test-art-target-oat: $(ART_TEST_TARGET_OAT_TARGETS)
-	@echo test-art-target-oat PASSED
+define declare-test-art-target-gtest
+.PHONY: test-art-target-gtest$(1)
+test-art-target-gtest$(1): $(ART_TARGET_GTEST_TARGETS$(1))
+endef
+$(eval $(call call-art-multi-target-rule,declare-test-art-target-gtest,test-art-target-gtest))
+
+
+define declare-test-art-target-oat
+.PHONY: test-art-target-oat$(1)
+test-art-target-oat$(1): $(ART_TEST_TARGET_OAT_TARGETS$(1))
+	@echo test-art-target-oat$(1) PASSED
+endef
+$(eval $(call call-art-multi-target-rule,declare-test-art-target-oat,test-art-target-oat))
+
 
 define declare-test-art-target-run-test-impl
+$(2)run_test_$(1) :=
+ifeq ($($(2)ART_PHONY_TEST_TARGET_SUFFIX),64)
+ $(2)run_test_$(1) := --64
+endif
 .PHONY: test-art-target-run-test-$(1)$($(2)ART_PHONY_TEST_TARGET_SUFFIX)
 test-art-target-run-test-$(1)$($(2)ART_PHONY_TEST_TARGET_SUFFIX): test-art-target-sync $(DX) $(HOST_OUT_EXECUTABLES)/jasmin
-	DX=$(abspath $(DX)) JASMIN=$(abspath $(HOST_OUT_EXECUTABLES)/jasmin) art/test/run-test $(DALVIKVM_FLAGS) $(1) $(3)
+	DX=$(abspath $(DX)) JASMIN=$(abspath $(HOST_OUT_EXECUTABLES)/jasmin) art/test/run-test $(DALVIKVM_FLAGS) $$($(2)run_test_$(1)) $(1)
 	@echo test-art-target-run-test-$(1)$($(2)ART_PHONY_TEST_TARGET_SUFFIX) PASSED
 endef
 
 define declare-test-art-target-run-test
 
   ifdef TARGET_2ND_ARCH
-    $(call declare-test-art-target-run-test-impl,$(1),2ND_,)
+    $(call declare-test-art-target-run-test-impl,$(1),2ND_)
+    
+    TEST_ART_TARGET_RUN_TEST_TARGETS$(2ND_ART_PHONY_TEST_TARGET_SUFFIX) += test-art-target-run-test-$(1)$(2ND_ART_PHONY_TEST_TARGET_SUFFIX)
 
     ifneq ($(ART_PHONY_TEST_TARGET_SUFFIX),)
       # Link primary to non-suffix
 test-art-target-run-test-$(1): test-art-target-run-test-$(1)$(ART_PHONY_TEST_TARGET_SUFFIX)
     endif
   endif
-  $(call declare-test-art-target-run-test-impl,$(1),,--$(ART_TARGET_BINARY_SUFFIX))
+  $(call declare-test-art-target-run-test-impl,$(1),)
 
-  TEST_ART_TARGET_RUN_TEST_TARGETS += test-art-target-run-test-$(1)
+  TEST_ART_TARGET_RUN_TEST_TARGETS$(ART_PHONY_TEST_TARGET_SUFFIX) += test-art-target-run-test-$(1)$(ART_PHONY_TEST_TARGET_SUFFIX)
 
 test-art-run-test-$(1): test-art-host-run-test-$(1) test-art-target-run-test-$(1)
 
@@ -256,9 +288,14 @@
 
 $(foreach test, $(TEST_ART_RUN_TESTS), $(eval $(call declare-test-art-target-run-test,$(test))))
 
-.PHONY: test-art-target-run-test
-test-art-target-run-test: $(TEST_ART_TARGET_RUN_TEST_TARGETS)
-	@echo test-art-target-run-test PASSED
+
+define declare-test-art-target-run-test
+.PHONY: test-art-target-run-test$(1)
+test-art-target-run-test$(1): $(TEST_ART_TARGET_RUN_TEST_TARGETS$(1))
+	@echo test-art-target-run-test$(1) PASSED
+endef
+$(eval $(call call-art-multi-target-rule,declare-test-art-target-run-test,test-art-target-run-test))
+
 
 ########################################################################
 # oat-target and oat-target-sync targets
diff --git a/build/Android.common.mk b/build/Android.common.mk
index b9a297b..c95b1c6 100644
--- a/build/Android.common.mk
+++ b/build/Android.common.mk
@@ -291,4 +291,71 @@
   ART_BUILD_DEBUG := true
 endif
 
+# Helper function to call a function twice with a target suffix
+# $(1): The generator function for the rules
+#         Has one argument, the suffix
+define call-art-multi-target
+  $(call $(1),$(ART_PHONY_TEST_TARGET_SUFFIX))
+  
+  ifdef TARGET_2ND_ARCH
+    $(call $(1),$(2ND_ART_PHONY_TEST_TARGET_SUFFIX))
+  endif
+endef
+
+# Helper function to combine two variables with suffixes together.
+# $(1): The base name.
+define combine-art-multi-target-var
+  ifdef TARGET_2ND_ARCH
+    ifneq ($(ART_PHONY_TEST_TARGET_SUFFIX),)
+      ifneq ($(2ND_ART_PHONY_TEST_TARGET_SUFFIX),)
+$(1) := $($(1)$(ART_PHONY_TEST_TARGET_SUFFIX)) $($(1)$(2ND_ART_PHONY_TEST_TARGET_SUFFIX))
+      endif
+    endif
+  endif
+endef
+
+
+# Helper function to define a variable twice with a target suffix. Assume the name generated is
+# derived from $(2) so we can create a combined var.
+# $(1): The generator function for the rules
+#         Has one argument, the suffix
+define call-art-multi-target-var
+  $(call $(1),$(ART_PHONY_TEST_TARGET_SUFFIX))
+  
+  ifdef TARGET_2ND_ARCH
+    $(call $(1),$(2ND_ART_PHONY_TEST_TARGET_SUFFIX))
+    
+    # Link both together, if it makes sense
+    ifneq ($(ART_PHONY_TEST_TARGET_SUFFIX),)
+      ifneq ($(2ND_ART_PHONY_TEST_TARGET_SUFFIX),)
+$(2) := $(2)$(ART_PHONY_TEST_TARGET_SUFFIX) $(2)$(2ND_ART_PHONY_TEST_TARGET_SUFFIX)
+      endif
+    endif
+
+  endif
+endef
+
+# Helper function to call a function twice with a target suffix. Assume it generates make rules
+# with the given name, and link them.
+# $(1): The generator function for the rules
+#         Has one argument, the suffix
+# $(2): The base rule name, necessary for the link
+#       We assume we can link the names together easily...
+define call-art-multi-target-rule
+  $(call $(1),$(ART_PHONY_TEST_TARGET_SUFFIX))
+  
+  ifdef TARGET_2ND_ARCH
+    $(call $(1),$(2ND_ART_PHONY_TEST_TARGET_SUFFIX))
+  
+    # Link both together, if it makes sense
+    ifneq ($(ART_PHONY_TEST_TARGET_SUFFIX),)
+      ifneq ($(2ND_ART_PHONY_TEST_TARGET_SUFFIX),)
+.PHONY: $(2)
+$(2): $(2)$(ART_PHONY_TEST_TARGET_SUFFIX) $(2)$(2ND_ART_PHONY_TEST_TARGET_SUFFIX)
+      endif
+    endif
+  endif
+endef
+
+
 endif # ANDROID_COMMON_MK
diff --git a/build/Android.gtest.mk b/build/Android.gtest.mk
index b6e6fac..4b655b5 100644
--- a/build/Android.gtest.mk
+++ b/build/Android.gtest.mk
@@ -105,10 +105,12 @@
 	compiler/utils/x86/assembler_x86_test.cc
 
 ART_HOST_GTEST_EXECUTABLES :=
-ART_TARGET_GTEST_EXECUTABLES :=
+ART_TARGET_GTEST_EXECUTABLES$(ART_PHONY_TEST_TARGET_SUFFIX) :=
+ART_TARGET_GTEST_EXECUTABLES$(2ND_ART_PHONY_TEST_TARGET_SUFFIX) :=
 ART_HOST_GTEST_TARGETS :=
 ART_HOST_VALGRIND_GTEST_TARGETS :=
-ART_TARGET_GTEST_TARGETS :=
+ART_TARGET_GTEST_TARGETS$(ART_PHONY_TEST_TARGET_SUFFIX) :=
+ART_TARGET_GTEST_TARGETS$(2ND_ART_PHONY_TEST_TARGET_SUFFIX) :=
 
 ART_TEST_CFLAGS :=
 ifeq ($(ART_USE_PORTABLE_COMPILER),true)
@@ -127,7 +129,7 @@
 	$(hide) (adb pull $($(1)ART_TEST_DIR)/$$@ /tmp/ && echo $$@ PASSED) || (echo $$@ FAILED && exit 1)
 	$(hide) rm /tmp/$$@
 
-    ART_TARGET_GTEST_TARGETS += $$(art_gtest_target)$($(1)ART_PHONY_TEST_TARGET_SUFFIX)
+  ART_TARGET_GTEST_TARGETS$($(1)ART_PHONY_TEST_TARGET_SUFFIX) += $$(art_gtest_target)$($(1)ART_PHONY_TEST_TARGET_SUFFIX)
 endef
 
 
@@ -182,12 +184,15 @@
     LOCAL_MULTILIB := both
     include art/build/Android.libcxx.mk
     include $(BUILD_EXECUTABLE)
-    ART_TARGET_GTEST_EXECUTABLES += $$(art_gtest_exe)
+    
+    ART_TARGET_GTEST_EXECUTABLES$(ART_PHONY_TEST_TARGET_SUFFIX) += $(ART_NATIVETEST_OUT)/$$(LOCAL_MODULE)
     art_gtest_target := test-art-$$(art_target_or_host)-gtest-$$(art_gtest_name)
 
     ifdef TARGET_2ND_ARCH
       $(call build-art-test-make-target,2ND_)
 
+      ART_TARGET_GTEST_EXECUTABLES$(2ND_ART_PHONY_TEST_TARGET_SUFFIX) += $(2ND_ART_NATIVETEST_OUT)/$$(LOCAL_MODULE)
+
       # Bind the primary to the non-suffix rule
       ifneq ($(ART_PHONY_TEST_TARGET_SUFFIX),)
 $$(art_gtest_target): $$(art_gtest_target)$(ART_PHONY_TEST_TARGET_SUFFIX)
diff --git a/build/Android.oat.mk b/build/Android.oat.mk
index cb45a85..9d7579d 100644
--- a/build/Android.oat.mk
+++ b/build/Android.oat.mk
@@ -63,6 +63,9 @@
 		--oat-location=$$($(1)TARGET_CORE_OAT) --image=$$($(1)TARGET_CORE_IMG_OUT) --base=$$(LIBART_IMG_TARGET_BASE_ADDRESS) \
 		--instruction-set=$$($(1)TARGET_ARCH) --instruction-set-features=$$(TARGET_INSTRUCTION_SET_FEATURES) --android-root=$$(PRODUCT_OUT)/system
 
+# This "renaming" eases declaration in art/Android.mk
+TARGET_CORE_IMG_OUT$($(1)ART_PHONY_TEST_TARGET_SUFFIX) := $($(1)TARGET_CORE_IMG_OUT)
+
 $$($(1)TARGET_CORE_OAT_OUT): $$($(1)TARGET_CORE_IMG_OUT)
 endef
 
diff --git a/test/Android.mk b/test/Android.mk
index 334df1f..08a925c 100644
--- a/test/Android.mk
+++ b/test/Android.mk
@@ -57,6 +57,8 @@
 #	StackWalk2 \
 
 ART_TEST_TARGET_DEX_FILES :=
+ART_TEST_TARGET_DEX_FILES$(ART_PHONY_TEST_TARGET_SUFFIX) :=
+ART_TEST_TARGET_DEX_FILES$(2ND_ART_PHONY_TEST_TARGET_SUFFIX) :=
 ART_TEST_HOST_DEX_FILES :=
 
 # $(1): module prefix
@@ -76,13 +78,17 @@
     LOCAL_ADDITIONAL_DEPENDENCIES := art/build/Android.common.mk
     LOCAL_ADDITIONAL_DEPENDENCIES += $(LOCAL_PATH)/Android.mk
     include $(BUILD_JAVA_LIBRARY)
+    
     ART_TEST_TARGET_DEX_FILES += $$(LOCAL_INSTALLED_MODULE)
+    ART_TEST_TARGET_DEX_FILES$(ART_PHONY_TEST_TARGET_SUFFIX) += $$(LOCAL_INSTALLED_MODULE)
 
     ifdef TARGET_2ND_ARCH
+	    ART_TEST_TARGET_DEX_FILES$(2ND_ART_PHONY_TEST_TARGET_SUFFIX) += $(4)/$(1)-$(2).jar
+
       # TODO: make this a simple copy
-$(4)/$(1)-$(2).jar: $(3)/$(1)-$(2).jar
+$(4)/$(1)-$(2).jar: $(3)/$(1)-$(2).jar $(4)
 	cp $$< $(4)/
-    endif
+    endif    
   endif
 
   ifeq ($(ART_BUILD_HOST),true)
@@ -102,9 +108,22 @@
 $(foreach dir,$(TEST_DEX_DIRECTORIES), $(eval $(call build-art-test-dex,art-test-dex,$(dir),$(ART_NATIVETEST_OUT),$(2ND_ART_NATIVETEST_OUT))))
 $(foreach dir,$(TEST_OAT_DIRECTORIES), $(eval $(call build-art-test-dex,oat-test-dex,$(dir),$(ART_TEST_OUT),$(2ND_ART_TEST_OUT))))
 
+# Rules to explicitly create 2nd-arch test directories, as we use a "cp" for them
+# instead of BUILD_JAVA_LIBRARY
+ifneq ($(2ND_ART_NATIVETEST_OUT),)
+$(2ND_ART_NATIVETEST_OUT):
+	$(hide) mkdir -p $@
+endif
+
+ifneq ($(2ND_ART_TEST_OUT),)
+$(2ND_ART_TEST_OUT):
+	$(hide) mkdir -p $@
+endif
+
 ########################################################################
 
-ART_TEST_TARGET_OAT_TARGETS :=
+ART_TEST_TARGET_OAT_TARGETS$(ART_PHONY_TEST_TARGET_SUFFIX) :=
+ART_TEST_TARGET_OAT_TARGETS$(2ND_ART_PHONY_TEST_TARGET_SUFFIX) :=
 ART_TEST_HOST_OAT_DEFAULT_TARGETS :=
 ART_TEST_HOST_OAT_INTERPRETER_TARGETS :=
 
@@ -160,7 +179,10 @@
 .PHONY: test-art-oat-$(1)
 test-art-oat-$(1): test-art-host-oat-$(1) test-art-target-oat-$(1)
 
-ART_TEST_TARGET_OAT_TARGETS += test-art-target-oat-$(1)
+ART_TEST_TARGET_OAT_TARGETS$(ART_PHONY_TEST_TARGET_SUFFIX) += test-art-target-oat-$(1)$(ART_PHONY_TEST_TARGET_SUFFIX)
+ifdef TARGET_2ND_ARCH
+  ART_TEST_TARGET_OAT_TARGETS$(2ND_ART_PHONY_TEST_TARGET_SUFFIX) += test-art-target-oat-$(1)$(2ND_ART_PHONY_TEST_TARGET_SUFFIX)
+endif
 ART_TEST_HOST_OAT_DEFAULT_TARGETS += test-art-host-oat-default-$(1)
 ART_TEST_HOST_OAT_INTERPRETER_TARGETS += test-art-host-oat-interpreter-$(1)
 endef
diff --git a/test/run-test b/test/run-test
index 58de980..6e59641 100755
--- a/test/run-test
+++ b/test/run-test
@@ -68,6 +68,7 @@
 runtime="art"
 usage="no"
 build_only="no"
+suffix64=""
 
 while true; do
     if [ "x$1" = "x--host" ]; then
@@ -154,6 +155,7 @@
         shift
     elif [ "x$1" = "x--64" ]; then
         run_args="${run_args} --64"
+        suffix64="64"
         shift
     elif expr "x$1" : "x--" >/dev/null 2>&1; then
         echo "unknown $0 option: $1" 1>&2
@@ -187,7 +189,7 @@
         fi
         run_args="${run_args} --boot -Ximage:${ANDROID_HOST_OUT}/framework/core.art"
     else
-        run_args="${run_args} --boot -Ximage:/data/art-test/core.art"
+        run_args="${run_args} --boot -Ximage:/data/art-test${suffix64}/core.art"
     fi
 fi