From 713337255e6ab57b0679d64539d5c87d036c067f Mon Sep 17 00:00:00 2001 From: Eddie Hung Date: Tue, 9 Jul 2019 10:14:23 -0700 Subject: Revert "Add "synth -keepdc" option" --- techlibs/common/synth.cc | 15 ++------------- 1 file changed, 2 insertions(+), 13 deletions(-) (limited to 'techlibs') diff --git a/techlibs/common/synth.cc b/techlibs/common/synth.cc index af70cc498..555de9fba 100644 --- a/techlibs/common/synth.cc +++ b/techlibs/common/synth.cc @@ -78,9 +78,6 @@ struct SynthPass : public ScriptPass log(" -abc9\n"); log(" use new ABC9 flow (EXPERIMENTAL)\n"); log("\n"); - log(" -keepdc\n"); - log(" do not optimize explicit don't-care values on $mux cells.\n"); - log("\n"); log("\n"); log("The following commands are executed by this synthesis command:\n"); help_script(); @@ -88,7 +85,7 @@ struct SynthPass : public ScriptPass } string top_module, fsm_opts, memory_opts, abc; - bool autotop, flatten, noalumacc, nofsm, noabc, noshare, keepdc; + bool autotop, flatten, noalumacc, nofsm, noabc, noshare; int lut; void clear_flags() YS_OVERRIDE @@ -105,7 +102,6 @@ struct SynthPass : public ScriptPass noabc = false; noshare = false; abc = "abc"; - keepdc = false; } void execute(std::vector args, RTLIL::Design *design) YS_OVERRIDE @@ -171,10 +167,6 @@ struct SynthPass : public ScriptPass abc = "abc9"; continue; } - if (args[argidx] == "-keepdc") { - keepdc = true; - continue; - } break; } extra_args(args, argidx, design); @@ -219,10 +211,7 @@ struct SynthPass : public ScriptPass run("opt_clean"); run("check"); run("opt"); - if (help_mode) - run("wreduce [-keepdc]"); - else - run("wreduce" + std::string(keepdc ? " -keepdc" : "")); + run("wreduce"); run("peepopt"); run("opt_clean"); if (help_mode) -- cgit v1.2.3