diff options
| -rw-r--r-- | frontends/verilog/const2ast.cc | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/frontends/verilog/const2ast.cc b/frontends/verilog/const2ast.cc index 49281f7e7..25d257867 100644 --- a/frontends/verilog/const2ast.cc +++ b/frontends/verilog/const2ast.cc @@ -139,6 +139,10 @@ static void my_strtobin(std::vector<RTLIL::State> &data, const char *str, int le data.resize(len_in_bits, msb); } + if (len_in_bits == 0) + log_error("Illegal integer constant size of zero in %s:%d (IEEE 1800-2012, 5.7).\n", + current_filename.c_str(), get_line_num()); + if (len > len_in_bits) log_warning("Literal has a width of %d bit, but value requires %d bit. (%s:%d)\n", len_in_bits, len, current_filename.c_str(), get_line_num()); |