diff options
| author | jogo <jogo@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2013-05-19 18:36:15 +0000 |
|---|---|---|
| committer | jogo <jogo@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2013-05-19 18:36:15 +0000 |
| commit | f6ad0fc9373a736f9640d698e557c86dc6074edd (patch) | |
| tree | 6b6bd393ef7dac1fdb3f9503f6bfc07e09b2ad25 /target/linux/generic/patches-3.10/201-extra_optimization.patch | |
| parent | 8c9642e945c54e21f0a0522bc76ada78d6017eb8 (diff) | |
kernel: generic: add 3.10-rc1 support
Signed-off-by: Jonas Gorski <jogo@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@36663 3c298f89-4303-0410-b956-a3cf2f4a3e73
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 000000000..051ede1c6 --- /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,) + |