* target.def (vec_perm_const_ok): Rename from builtin_vec_perm_ok.
	* optabs.c (can_vec_perm_expr_p): Update to match.
	(expand_vec_perm_expr): Likewise.
	* config/i386/i386.c (TARGET_VECTORIZE_VEC_PERM_CONST_OK): Rename
	from TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK.
	* doc/tm.texi.in: Likewise.

From-SVN: r180270