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author | Imre Kaloz <kaloz@openwrt.org> | 2012-11-18 18:52:38 +0000 |
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committer | Imre Kaloz <kaloz@openwrt.org> | 2012-11-18 18:52:38 +0000 |
commit | 935ca3f3eb7435b50b91bc2ed341a4bbd6e759b0 (patch) | |
tree | 48e34d859046c692a221dddd165db5abc37feb90 /target/linux/generic/patches-3.7/201-extra_optimization.patch | |
parent | d0226aff1d62d39530819938ac116ee3cbb93efa (diff) | |
download | upstream-935ca3f3eb7435b50b91bc2ed341a4bbd6e759b0.tar.gz upstream-935ca3f3eb7435b50b91bc2ed341a4bbd6e759b0.tar.bz2 upstream-935ca3f3eb7435b50b91bc2ed341a4bbd6e759b0.zip |
add 3.7-rc6 support (patch 820 still has to be fixed)
SVN-Revision: 34247
Diffstat (limited to 'target/linux/generic/patches-3.7/201-extra_optimization.patch')
-rw-r--r-- | target/linux/generic/patches-3.7/201-extra_optimization.patch | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.7/201-extra_optimization.patch b/target/linux/generic/patches-3.7/201-extra_optimization.patch new file mode 100644 index 0000000000..d94d2cf3a8 --- /dev/null +++ b/target/linux/generic/patches-3.7/201-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,) + |