diff options
Diffstat (limited to 'gcc/read-rtl.cc')
| -rw-r--r-- | gcc/read-rtl.cc | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/gcc/read-rtl.cc b/gcc/read-rtl.cc index f3b5613..00bf4ab 100644 --- a/gcc/read-rtl.cc +++ b/gcc/read-rtl.cc @@ -1293,8 +1293,25 @@ md_reader::read_mapping (struct iterator_group *group, htab_t table) string = read_string (false); require_char_ws (')'); } - number = group->find_builtin (name.string); - end_ptr = add_map_value (end_ptr, number, string); + auto *subm = (struct mapping *) htab_find (group->iterators, + &name.string); + if (subm) + { + if (m == subm) + fatal_with_file_and_line ("recursive definition of `%s'", + name.string); + for (map_value *v = subm->values; v; v = v->next) + { + auto *joined = rtx_reader_ptr->join_c_conditions (v->string, + string); + end_ptr = add_map_value (end_ptr, v->number, joined); + } + } + else + { + number = group->find_builtin (name.string); + end_ptr = add_map_value (end_ptr, number, string); + } c = read_skip_spaces (); } while (c != ']'); |