i386.c (vselect_insn): New variable.

i386.c (vselect_insn): New variable.

	* config/i386/i386.c (vselect_insn): New variable.
	(init_vselect_insn): New function.
	(expand_vselect, expand_vselect_insn): Add testing_p argument.
	Call init_vselect_insn if vselect_insn is NULL.  Adjust
	PATTERN (vselect_insn), instead of creating a new insn each time,
	only emit a copy of it if not testing and recog has been successful.
	(expand_vec_perm_pshufb, expand_vec_perm_1,
	expand_vec_perm_pshuflw_pshufhw, expand_vec_perm_broadcast_1): Adjust
	callers.

From-SVN: r185578