Why no -march=athlon?

From: nbecker@fred.net
Date: Mon Dec 17 2001 - 09:59:56 EST

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I noticed that linux/arch/i386/Makefile says:

ifdef CONFIG_MK7
CFLAGS += -march=i686 -malign-functions=4
endif

Why not -march=athlon? Is this just for compatibility with old gcc?
If so, can't we fix it with an ifdef?
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