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-rw-r--r--target/linux/generic-2.6/patches-2.6.21/004-extra_optimization.patch14
1 files changed, 14 insertions, 0 deletions
diff --git a/target/linux/generic-2.6/patches-2.6.21/004-extra_optimization.patch b/target/linux/generic-2.6/patches-2.6.21/004-extra_optimization.patch
new file mode 100644
index 0000000..3a08e13
--- /dev/null
+++ b/target/linux/generic-2.6/patches-2.6.21/004-extra_optimization.patch
@@ -0,0 +1,14 @@
+Index: linux-2.6.21.7/Makefile
+===================================================================
+--- linux-2.6.21.7.orig/Makefile
++++ linux-2.6.21.7/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,)
+