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

   1 Index: linux-2.6.21.7/Makefile
   2 ===================================================================
   3 --- linux-2.6.21.7.orig/Makefile
   4 +++ linux-2.6.21.7/Makefile
   5 @@ -507,6 +507,9 @@ CFLAGS          += $(call cc-option, -fn
   6  NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include)
   7  CHECKFLAGS     += $(NOSTDINC_FLAGS)
   8
   9 +# improve gcc optimization
  10 +CFLAGS += $(call cc-option,-funit-at-a-time,)
  11 +
  12  # warn about C99 declaration after statement
  13  CFLAGS += $(call cc-option,-Wdeclaration-after-statement,)
  14