diff --git a/Makefile b/Makefile
index 282ee93..7acdfc6 100644
--- a/Makefile
+++ b/Makefile
@@ -863,12 +863,14 @@
 
 # CFLAGS += -DTPM_MANUAL_SELFTEST
 
-ifneq ($(filter $(FIRMWARE_ARCH),x86 x86_64),)
-# Unrolling loops in cryptolib makes it faster
+ifneq ($(filter-out 0,$(UNROLL_LOOPS)),)
+$(info vboot hash algos built with unrolled loops (faster, larger code size))
 ${FWLIB_OBJS}: CFLAGS += -DUNROLL_LOOPS
 ${FWLIB2X_OBJS}: CFLAGS += -DUNROLL_LOOPS
 ${FWLIB20_OBJS}: CFLAGS += -DUNROLL_LOOPS
 ${FWLIB21_OBJS}: CFLAGS += -DUNROLL_LOOPS
+else
+$(info vboot hash algos built with tight loops (slower, smaller code size))
 endif
 
 ${FWLIB21_OBJS}: INCLUDES += -Ifirmware/lib21/include