diff --git a/arch/arc/config.mk b/arch/arc/config.mk
index 4f2d31f..3e75e60 100644
--- a/arch/arc/config.mk
+++ b/arch/arc/config.mk
@@ -27,8 +27,12 @@
 CONFIG_MMU = 1
 endif
 
+ifdef CONFIG_CPU_ARC750D
+PLATFORM_CPPFLAGS += -marc700
+endif
+
 ifdef CONFIG_CPU_ARC770D
-PLATFORM_CPPFLAGS += -mlock -mswape
+PLATFORM_CPPFLAGS += -marc700 -mlock -mswape
 endif
 
 PLATFORM_CPPFLAGS += -ffixed-r25 -D__ARC__ -gdwarf-2