Remove VEC_RSHIFT_EXPR tree code, now unused
* fold-const.c (const_binop): Remove code handling VEC_RSHIFT_EXPR.
* tree-cfg.c (verify_gimple_assign_binary): Likewise.
* tree-inline.c (estimate_operator_cost): Likewise.
* tree-pretty-print.c (dump_generic_node, op_code_prio, op_symbol_code):
Likewise.
* tree-vect-generic.c (expand_vector_operations_1): Remove assertion
against VEC_RSHIFT_EXPR.
* optabs.h (expand_vec_shift_expr): Remove.
* optabs.c (optab_for_tree_code): Remove case VEC_RSHIFT_EXPR.
(expand_vec_shift_expr): Remove.
* tree.def (VEC_RSHIFT_EXPR): Remove
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@217510 138bc75d-0d04-0410-961f-82ee72b054a4