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xilinx/ecp5: disable abc9's "&mfs" optimisation

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Can sometimes fire an assertion, e.g. #1962
This commit is contained in:
Eddie Hung 2020-04-20 10:30:10 -07:00
parent ae115fa3aa
commit a998a4155d
3 changed files with 8 additions and 0 deletions
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4
passes/techmap/abc9_exe.cc
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@ -219,6 +219,10 @@ void abc9_module(RTLIL::Design *design, std::string script_file, std::string exe
for (size_t pos = abc9_script.find("{R}"); pos != std::string::npos; pos = abc9_script.find("{R}", pos))
abc9_script = abc9_script.substr(0, pos) + R + abc9_script.substr(pos+3);
if (design->scratchpad_get_bool("abc9.nomfs"))
for (size_t pos = abc9_script.find("&mfs"); pos != std::string::npos; pos = abc9_script.find("&mfs", pos))
abc9_script = abc9_script.erase(pos, strlen("&mfs"));
abc9_script += stringf("; &ps -l; &write -n %s/output.aig", tempdir_name.c_str());
if (design->scratchpad_get_bool("abc9.verify")) {
if (dff_mode)