diff options
| author | florian <florian@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2013-01-08 22:19:31 +0000 |
|---|---|---|
| committer | florian <florian@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2013-01-08 22:19:31 +0000 |
| commit | cb5bddeee233e4d33857b5dd46cf2bc906e7fd19 (patch) | |
| tree | eca211bce457b867f3e5fd2acded634db17c76cf /target/linux/generic/patches-3.8/201-extra_optimization.patch | |
| parent | c06bcf1ccd80e46f0e162047a716c7dc40dd8324 (diff) | |
kernel: add support for 3.8-rc2
Signed-off-by: Florian Fainelli <florian@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35055 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/generic/patches-3.8/201-extra_optimization.patch')
| -rw-r--r-- | target/linux/generic/patches-3.8/201-extra_optimization.patch | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.8/201-extra_optimization.patch b/target/linux/generic/patches-3.8/201-extra_optimization.patch new file mode 100644 index 000000000..d94d2cf3a --- /dev/null +++ b/target/linux/generic/patches-3.8/201-extra_optimization.patch @@ -0,0 +1,24 @@ +--- a/Makefile ++++ b/Makefile +@@ -570,9 +570,9 @@ 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 +@@ -645,6 +645,9 @@ 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,) + |