openwrt/target/linux/generic-2.6/patches-2.6.30/004-extra_optimization.patch

--- a/Makefile
+++ b/Makefile
@@ -567,6 +567,9 @@ 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,)
preliminary 2.6.30 support SVN-Revision: 15468 2009-04-28 13:35:14 +00:00			`--- a/Makefile`
			`+++ b/Makefile`
2.6.{28,30}: refresh patches SVN-Revision: 16934 2009-07-20 10:59:21 +00:00			`@@ -567,6 +567,9 @@ endif`
preliminary 2.6.30 support SVN-Revision: 15468 2009-04-28 13:35:14 +00:00			`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,)`