Index: Makefile.config.in
===================================================================
--- Makefile.config.in
+++ Makefile.config.in
@@ -159,6 +159,12 @@
 endif
 endif
 
+# ARM needs -ffp-contract=off so that:
+#     The outputs match the reference outputs.
+ifeq ($(ARCH),ARM)
+TEST_TARGET_FLAGS += -ffp-contract=off
+endif
+
 #
 # Provide variables specific to llvm-test
 #