i386.md (insv<mode>): Rename from insv.

i386.md (insv<mode>): Rename from insv.

	* config/i386/i386.md (insv<mode>): Rename from insv.  Use SWI48
	modes for operands 0 and 3.  Use SImode for operands 2 and 3.
	Copy operand 0 to a temporary if !ext_register_operand.  Remove
	ancient extract_bit_field workaround.
	(insv<mode>_1): Rename from mov<mode>_insv_1.
	(*insvqi): Rename from *movqi_insv_2.
	* config/i386/i386.c (emit_i386_cw_initialization): Update calls
	for renamed insvsi_1.
	(promote_duplicated_reg): Ditto for renamed insv<mode>_1.

From-SVN: r225484