Makefile: Optimize for our CPU

diff --git a/Makefile b/Makefile
index 649f251..48ea99b 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -666,6 +666,13 @@ else
 KBUILD_CFLAGS  += -O2
 endif
 
+ifeq ($(cc-name),gcc)
+KBUILD_CFLAGS  += -mcpu=cortex-a73.cortex-a53
+endif
+ifeq ($(cc-name),clang)
+KBUILD_CFLAGS  += -mcpu=cortex-a53
+endif
+
 KBUILD_CFLAGS  += $(call cc-option,-fno-delete-null-pointer-checks,)
 KBUILD_CFLAGS  += $(call cc-disable-warning,maybe-uninitialized,)
 KBUILD_CFLAGS  += $(call cc-disable-warning,frame-address,)