mips.md (length): Don't use mips_fetch_insns for indexed loads and stores.

mips.md (length): Don't use mips_fetch_insns for indexed loads and stores.

	* config/mips/mips.md (length): Don't use mips_fetch_insns for indexed
	loads and stores.
	(*lwxc1_<mode>, *ldxc1_<mode>, *swxc1_<mode>, *sdxc1_<mode>): Name
	formerly unnamed patterns.  Redefine using :P for the address.  Remove
	explicit length attributes.

From-SVN: r86419