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path: root/target/linux/generic-2.6/patches-2.6.22/004-extra_optimization.patch
blob: 57bea7ea505dd654ea4d1547b51bf5b49bb40b19 (plain)
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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,)