diff options
| author | Clifford Wolf <clifford@clifford.at> | 2013-05-24 14:39:19 +0200 |
|---|---|---|
| committer | Clifford Wolf <clifford@clifford.at> | 2013-05-24 14:39:19 +0200 |
| commit | 66bc46b30b13ce6f9005edff7a479e28f223a678 (patch) | |
| tree | 0dbc48336290443b1db224a72a79a642c08ca395 /passes/fsm/fsm.cc | |
| parent | ed0e2f7a6fe721175b80f6397c9abd5c0080033f (diff) | |
| download | yosys-66bc46b30b13ce6f9005edff7a479e28f223a678.tar.gz yosys-66bc46b30b13ce6f9005edff7a479e28f223a678.tar.bz2 yosys-66bc46b30b13ce6f9005edff7a479e28f223a678.zip | |
Improved FSM one-hot encoding, added binary encoding
Diffstat (limited to 'passes/fsm/fsm.cc')
| -rw-r--r-- | passes/fsm/fsm.cc | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/passes/fsm/fsm.cc b/passes/fsm/fsm.cc index c0c42de9f..b4d7bc46f 100644 --- a/passes/fsm/fsm.cc +++ b/passes/fsm/fsm.cc @@ -56,6 +56,7 @@ struct FsmPass : public Pass { log(" -expand, -norecode, -export, -nomap\n"); log(" enable or disable passes as indicated above\n"); log("\n"); + log(" -encoding tye\n"); log(" -fm_set_fsm_file file\n"); log(" passed through to fsm_recode pass\n"); log("\n"); @@ -67,6 +68,7 @@ struct FsmPass : public Pass { bool flag_expand = false; bool flag_export = false; std::string fm_set_fsm_file_opt; + std::string encoding_opt; log_header("Executing FSM pass (extract and optimize FSM).\n"); log_push(); @@ -78,6 +80,10 @@ struct FsmPass : public Pass { fm_set_fsm_file_opt = " -fm_set_fsm_file " + args[++argidx]; continue; } + if (arg == "-encoding" && argidx+1 < args.size() && fm_set_fsm_file_opt.empty()) { + encoding_opt = " -encoding " + args[++argidx]; + continue; + } if (arg == "-norecode") { flag_norecode = true; continue; @@ -112,7 +118,7 @@ struct FsmPass : public Pass { } if (!flag_norecode) - Pass::call(design, "fsm_recode" + fm_set_fsm_file_opt); + Pass::call(design, "fsm_recode" + fm_set_fsm_file_opt + encoding_opt); Pass::call(design, "fsm_info"); if (!flag_nomap) |