* genattrtab.c (simplify_cond): Update indices correctly.
(attr_alt_subset_p, attr_alt_subset_of_compl_p, attr_alt_intersection,
attr_alt_union, attr_alt_complement, attr_alt_bit_p, mk_attr_alt): New.
(check_attr_test, encode_units_mask, compute_alternative_mask,
make_alternative_compare, simplify_and_tree,
attr_rtx_cost, simplify_test_exp, gen_attr,
write_test_expr, walk_attr_value): Handle EQ_ATTR_ALT.
* rtl.def (EQ_ATTR_ALT): New.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@73873
138bc75d-0d04-0410-961f-
82ee72b054a4