i386.md (*movdi_internal): Remove SSE4 alternative 18 (?r, *v).

i386.md (*movdi_internal): Remove SSE4 alternative 18 (?r, *v).

	* config/i386/i386.md (*movdi_internal): Remove SSE4
	alternative 18 (?r, *v).  Update insn attributes.
	(*movsi_internal): Remove SSE4 alternative 13 (?r, *v).
	Update insn attributes.
	(*zero_extendsidi2): Remove SSE4 alternative (?r, *x).
	Update insn attributes.
	* config/i386/sse.md (vec_extract<ssevecmodelower>_0): Remove SSE4
	alternative 1 (r, v). Remove isa attribute.
	* config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
	Always move value through stack for !TARGET_INTER_UNIT_MOVES_TO_VEC
	and !TARGET_INTER_UNIT_MOVES_TO_VEC targets.

From-SVN: r248383