openwrt/target/linux/generic/patches-3.10/201-extra_optimization.patch
Felix Fietkau cc26f768e4 kernel: stop patching -funit-at-a-time into CFLAGS, it has no effect on recent compilers
Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 37598
2013-07-29 09:38:21 +00:00

15 lines
436 B
Diff

--- a/Makefile
+++ b/Makefile
@@ -571,9 +571,9 @@ endif # $(dot-config)
all: vmlinux
ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
-KBUILD_CFLAGS += -Os $(call cc-disable-warning,maybe-uninitialized,)
+KBUILD_CFLAGS += -Os -fno-caller-saves $(call cc-disable-warning,maybe-uninitialized,)
else
-KBUILD_CFLAGS += -O2
+KBUILD_CFLAGS += -O2 -fno-reorder-blocks -fno-tree-ch -fno-caller-saves
endif
include $(srctree)/arch/$(SRCARCH)/Makefile