diff options
Diffstat (limited to 'techlibs/common/synth.cc')
| -rw-r--r-- | techlibs/common/synth.cc | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/techlibs/common/synth.cc b/techlibs/common/synth.cc index 4c819e23..9d71feef 100644 --- a/techlibs/common/synth.cc +++ b/techlibs/common/synth.cc @@ -55,6 +55,9 @@ struct SynthPass : public Pass { log(" -encfile <file>\n"); log(" passed to 'fsm_recode' via 'fsm'\n"); log("\n"); + log(" -nofsm\n"); + log(" do not run FSM optimization\n"); + log("\n"); log(" -noabc\n"); log(" do not run abc (as if yosys was compiled without ABC support)\n"); log("\n"); @@ -112,6 +115,7 @@ struct SynthPass : public Pass { std::string top_module, fsm_opts, memory_opts; std::string run_from, run_to; bool noalumacc = false; + bool nofsm = false; bool noabc = false; size_t argidx; @@ -136,6 +140,10 @@ struct SynthPass : public Pass { } continue; } + if (args[argidx] == "-nofsm") { + nofsm = true; + continue; + } if (args[argidx] == "-noabc") { noabc = true; continue; @@ -179,7 +187,8 @@ struct SynthPass : public Pass { Pass::call(design, "alumacc"); Pass::call(design, "share"); Pass::call(design, "opt"); - Pass::call(design, "fsm" + fsm_opts); + if (!nofsm) + Pass::call(design, "fsm" + fsm_opts); Pass::call(design, "opt -fast"); Pass::call(design, "memory -nomap" + memory_opts); Pass::call(design, "opt_clean"); |