Index: lib/Target/ARM/ARM.td
===================================================================
--- lib/Target/ARM/ARM.td
+++ lib/Target/ARM/ARM.td
@@ -713,8 +713,10 @@
                                                          FeatureVFP2,
                                                          FeatureHasSlowFPVMLx]>;
 
-def : Processor<"cortex-m0",        ARMV6Itineraries,   [ARMv6m]>;
-def : Processor<"cortex-m0plus",    ARMV6Itineraries,   [ARMv6m]>;
+def : Processor<"cortex-m0",        ARMV6Itineraries,   [ARMv6m,
+                                                         FeatureStrictAlign]>;
+def : Processor<"cortex-m0plus",    ARMV6Itineraries,   [ARMv6m,
+                                                         FeatureStrictAlign]>;
 def : Processor<"cortex-m1",        ARMV6Itineraries,   [ARMv6m]>;
 def : Processor<"sc000",            ARMV6Itineraries,   [ARMv6m]>;