diff options
author | acoul <acoul@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2010-11-03 16:13:33 +0000 |
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committer | acoul <acoul@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2010-11-03 16:13:33 +0000 |
commit | 8be1093039aa9942ec456dff0255c2b0c41f2cce (patch) | |
tree | e173de5498db08719c81621c36a6bbbdb0c67eb0 /target/linux/generic/patches-2.6.37/012-extra_optimization.patch | |
parent | c588a703feb2241e803da3db71f685b57b408102 (diff) |
target/linux: add preliminary 2.6.37 kernel support
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@23828 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/generic/patches-2.6.37/012-extra_optimization.patch')
-rw-r--r-- | target/linux/generic/patches-2.6.37/012-extra_optimization.patch | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/target/linux/generic/patches-2.6.37/012-extra_optimization.patch b/target/linux/generic/patches-2.6.37/012-extra_optimization.patch new file mode 100644 index 000000000..d7066486f --- /dev/null +++ b/target/linux/generic/patches-2.6.37/012-extra_optimization.patch @@ -0,0 +1,21 @@ +--- a/Makefile ++++ b/Makefile +@@ -540,7 +540,7 @@ all: vmlinux + ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE + KBUILD_CFLAGS += -Os + else +-KBUILD_CFLAGS += -O2 ++KBUILD_CFLAGS += -O2 -fno-reorder-blocks -fno-tree-ch + endif + + include $(srctree)/arch/$(SRCARCH)/Makefile +@@ -595,6 +595,9 @@ 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,) + |