openwrt-xburst/target/linux/generic-2.6/patches-2.6.21/004-extra_optimization.patch

--- a/Makefile
+++ b/Makefile
@@ -507,6 +507,9 @@ CFLAGS          += $(call cc-option, -fn
 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
 CFLAGS += $(call cc-option,-Wdeclaration-after-statement,)
[kernel] generic-2.6/2.6.21: refresh patches git-svn-id: svn://svn.openwrt.org/openwrt/trunk@14453 3c298f89-4303-0410-b956-a3cf2f4a3e73 2009-02-08 21:33:57 +02:00			`--- a/Makefile`
			`+++ b/Makefile`
[kernel] refresh generic 2.6.21 patches git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11185 3c298f89-4303-0410-b956-a3cf2f4a3e73 2008-05-18 23:23:20 +03:00			`@@ -507,6 +507,9 @@ CFLAGS += $(call cc-option, -fn`
add -funit-at-a-time in trunk/ as well git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@2291 3c298f89-4303-0410-b956-a3cf2f4a3e73 2005-10-24 00:06:51 +03:00			`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`
			`CFLAGS += $(call cc-option,-Wdeclaration-after-statement,)`