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Adding error message for when size (width) of number literal is zero

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This commit is contained in:
Diego H 2020-03-30 17:18:13 -06:00
parent 05f74d4f31
commit 92809bb1d3
1 changed files with 4 additions and 0 deletions
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4
frontends/verilog/const2ast.cc
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@ -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());