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| author | Jonas Gorski <jogo@openwrt.org> | 2013-05-19 18:36:15 +0000 |
|---|---|---|
| committer | Jonas Gorski <jogo@openwrt.org> | 2013-05-19 18:36:15 +0000 |
| commit | c0435a971e9c21ebf694b221717e7a73f12662ec (patch) | |
| tree | 6daa92bd257c9376af180e7bb3649dca91589812 /target/linux/generic/patches-3.10/201-extra_optimization.patch | |
| parent | 87203c404996884334a9584fce0d8a251bf9fb43 (diff) | |
| download | mtk-20170518-c0435a971e9c21ebf694b221717e7a73f12662ec.zip mtk-20170518-c0435a971e9c21ebf694b221717e7a73f12662ec.tar.gz mtk-20170518-c0435a971e9c21ebf694b221717e7a73f12662ec.tar.bz2 | |
kernel: generic: add 3.10-rc1 support
Signed-off-by: Jonas Gorski <jogo@openwrt.org>
SVN-Revision: 36663
Diffstat (limited to 'target/linux/generic/patches-3.10/201-extra_optimization.patch')
| -rw-r--r-- | target/linux/generic/patches-3.10/201-extra_optimization.patch | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.10/201-extra_optimization.patch b/target/linux/generic/patches-3.10/201-extra_optimization.patch new file mode 100644 index 0000000..051ede1 --- /dev/null +++ b/target/linux/generic/patches-3.10/201-extra_optimization.patch @@ -0,0 +1,24 @@ +--- 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 +@@ -647,6 +647,9 @@ endif + NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include) + CHECKFLAGS += $(NOSTDINC_FLAGS) + ++# improve gcc optimization ++CFLAGS += $(call cc-option,-funit-at-a-time,) ++ + # warn about C99 declaration after statement + KBUILD_CFLAGS += $(call cc-option,-Wdeclaration-after-statement,) + |