From a998a4155d0e8a109bae80c3be24ed8465378b46 Mon Sep 17 00:00:00 2001 From: Eddie Hung Date: Mon, 20 Apr 2020 10:30:10 -0700 Subject: xilinx/ecp5: disable abc9's "&mfs" optimisation Can sometimes fire an assertion, e.g. #1962 --- passes/techmap/abc9_exe.cc | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'passes/techmap') diff --git a/passes/techmap/abc9_exe.cc b/passes/techmap/abc9_exe.cc index 18618ff91..1aabbd396 100644 --- a/passes/techmap/abc9_exe.cc +++ b/passes/techmap/abc9_exe.cc @@ -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) -- cgit v1.2.3