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| author | Imre Kaloz <kaloz@openwrt.org> | 2012-10-23 12:21:34 +0000 |
|---|---|---|
| committer | Imre Kaloz <kaloz@openwrt.org> | 2012-10-23 12:21:34 +0000 |
| commit | 949b46d13d1e21b596f505a2e69956565e365d77 (patch) | |
| tree | 4b51f4852224df7cc2d056071ee51bfcb9c5b7f4 /target/linux/generic/patches-3.6/201-extra_optimization.patch | |
| parent | 0d2cf5f9e363c8e41b32921b0ab2aa3d4621dfd5 (diff) | |
| download | mtk-20170518-949b46d13d1e21b596f505a2e69956565e365d77.zip mtk-20170518-949b46d13d1e21b596f505a2e69956565e365d77.tar.gz mtk-20170518-949b46d13d1e21b596f505a2e69956565e365d77.tar.bz2 | |
linux 3.6 support (work in progress)
SVN-Revision: 33897
Diffstat (limited to 'target/linux/generic/patches-3.6/201-extra_optimization.patch')
| -rw-r--r-- | target/linux/generic/patches-3.6/201-extra_optimization.patch | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.6/201-extra_optimization.patch b/target/linux/generic/patches-3.6/201-extra_optimization.patch new file mode 100644 index 0000000..6fe8b09 --- /dev/null +++ b/target/linux/generic/patches-3.6/201-extra_optimization.patch @@ -0,0 +1,24 @@ +--- a/Makefile ++++ b/Makefile +@@ -559,9 +559,9 @@ endif # $(dot-config) + all: vmlinux + + ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE +-KBUILD_CFLAGS += -Os ++KBUILD_CFLAGS += -Os -fno-caller-saves + else +-KBUILD_CFLAGS += -O2 ++KBUILD_CFLAGS += -O2 -fno-reorder-blocks -fno-tree-ch -fno-caller-saves + endif + + include $(srctree)/arch/$(SRCARCH)/Makefile +@@ -620,6 +620,9 @@ 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,) + |