diff options
author | kaloz <kaloz@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-10-23 12:21:34 +0000 |
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committer | kaloz <kaloz@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-10-23 12:21:34 +0000 |
commit | 1c3d05cf739b54cf71010bb4d3e0ec70d7811a46 (patch) | |
tree | 413eb23081ae9b34b54a6ee479e5a2bf0085877d /target/linux/generic/patches-3.6/201-extra_optimization.patch | |
parent | c373dbfcfb08c0662558cce38da2e05c7682714b (diff) |
[generic]: linux 3.6 support (work in progress)
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@33897 3c298f89-4303-0410-b956-a3cf2f4a3e73
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 0000000000..6fe8b0938d --- /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,) + |