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Disable synth_gowin -abc9 as it offers no advantages yet

This commit is contained in:
Eddie Hung 2019-12-30 12:05:52 -08:00
parent aa6d06c1b5
commit c9e3b26412
1 changed files with 12 additions and 12 deletions
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24
techlibs/gowin/synth_gowin.cc
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@ -62,16 +62,16 @@ struct SynthGowinPass : public ScriptPass
log(" do not flatten design before synthesis\n"); log(" do not flatten design before synthesis\n");
log("\n"); log("\n");
log(" -retime\n"); log(" -retime\n");
log(" run 'abc' with -dff option\n"); log(" run 'abc' with '-dff -D 1' options\n");
log("\n"); log("\n");
log(" -nowidelut\n"); log(" -nowidelut\n");
log(" do not use muxes to implement LUTs larger than LUT4s\n"); log(" do not use muxes to implement LUTs larger than LUT4s\n");
log("\n"); log("\n");
log(" -noiopads\n"); log(" -noiopads\n");
log(" do not emit IOB at top level ports\n"); log(" do not emit IOB at top level ports\n");
log("\n"); //log("\n");
log(" -abc9\n"); //log(" -abc9\n");
log(" use new ABC9 flow (EXPERIMENTAL)\n"); //log(" use new ABC9 flow (EXPERIMENTAL)\n");
log("\n"); log("\n");
log("\n"); log("\n");
log("The following commands are executed by this synthesis command:\n"); log("The following commands are executed by this synthesis command:\n");
@ -144,10 +144,10 @@ struct SynthGowinPass : public ScriptPass
nowidelut = true; nowidelut = true;
continue; continue;
} }
if (args[argidx] == "-abc9") { //if (args[argidx] == "-abc9") {
abc9 = true; // abc9 = true;
continue; // continue;
} //}
if (args[argidx] == "-noiopads") { if (args[argidx] == "-noiopads") {
noiopads = true; noiopads = true;
continue; continue;
@ -227,13 +227,13 @@ struct SynthGowinPass : public ScriptPass
if (check_label("map_luts")) if (check_label("map_luts"))
{ {
if (nowidelut && abc9) { /*if (nowidelut && abc9) {
run("abc9 -lut 4"); run("abc9 -lut 4");
} else if (nowidelut && !abc9) { } else*/ if (nowidelut && !abc9) {
run("abc -lut 4"); run("abc -lut 4");
} else if (!nowidelut && abc9) { } else /*if (!nowidelut && abc9) {
run("abc9 -lut 4:8"); run("abc9 -lut 4:8");
} else if (!nowidelut && !abc9) { } else*/ if (!nowidelut && !abc9) {
run("abc -lut 4:8"); run("abc -lut 4:8");
} }
run("clean"); run("clean");