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-rw-r--r--target/linux/generic-2.6/patches-2.6.22/004-extra_optimization.patch13
1 files changed, 13 insertions, 0 deletions
diff --git a/target/linux/generic-2.6/patches-2.6.22/004-extra_optimization.patch b/target/linux/generic-2.6/patches-2.6.22/004-extra_optimization.patch
new file mode 100644
index 0000000000..57bea7ea50
--- /dev/null
+++ b/target/linux/generic-2.6/patches-2.6.22/004-extra_optimization.patch
@@ -0,0 +1,13 @@
+diff -urN linux-2.6.21.1.old/Makefile linux-2.6.21.1.dev/Makefile
+--- linux-2.6.21.1.old/Makefile 2007-04-27 23:49:26.000000000 +0200
++++ linux-2.6.21.1.dev/Makefile 2007-05-26 19:14:22.967804016 +0200
+@@ -507,6 +507,9 @@
+ 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,)
+