Commit 6748cb3c authored by Behan Webster's avatar Behan Webster Committed by Masahiro Yamada

kbuild: use -Oz instead of -Os when using clang

This generates smaller resulting object code when compiled with clang.
Signed-off-by: default avatarBehan Webster <behanw@converseincode.com>
Signed-off-by: default avatarMatthias Kaehlcke <mka@chromium.org>
Signed-off-by: Masahiro Yamada's avatarMasahiro Yamada <yamada.masahiro@socionext.com>
parent c3f0d0bc
......@@ -638,7 +638,8 @@ KBUILD_CFLAGS += $(call cc-option,-fdata-sections,)
endif
ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
KBUILD_CFLAGS += -Os $(call cc-disable-warning,maybe-uninitialized,)
KBUILD_CFLAGS += $(call cc-option,-Oz,-Os)
KBUILD_CFLAGS += $(call cc-disable-warning,maybe-uninitialized,)
else
ifdef CONFIG_PROFILE_ALL_BRANCHES
KBUILD_CFLAGS += -O2 $(call cc-disable-warning,maybe-uninitialized,)
......
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