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Improved FSM one-hot encoding, added binary encoding

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This commit is contained in:
Clifford Wolf 2013-05-24 14:39:19 +02:00
parent ed0e2f7a6f
commit 66bc46b30b
3 changed files with 83 additions and 42 deletions
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8
passes/fsm/fsm.cc
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@ -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)