diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile
index 94462a097f86697ce51558bd9389a4886b904318..7a03f200788255924f225c807b967fdb09d01eae 100644
--- a/arch/arm/boot/compressed/Makefile
+++ b/arch/arm/boot/compressed/Makefile
@@ -76,7 +76,7 @@ KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS))
 endif
 
 EXTRA_CFLAGS  := -fpic -fno-builtin
-EXTRA_AFLAGS  :=
+EXTRA_AFLAGS  := -Wa,-march=all
 
 # Supply ZRELADDR, INITRD_PHYS and PARAMS_PHYS to the decompressor via
 # linker symbols.  We only define initrd_phys and params_phys if the