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add help for nowidelut and abc9 options

This commit is contained in:
Pepijn de Vos 2019-11-18 14:25:46 +01:00
parent 32f0296df1
commit dd8c7e1ddd
1 changed files with 7 additions and 1 deletions
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8
techlibs/gowin/synth_gowin.cc
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@ -64,6 +64,12 @@ struct SynthGowinPass : public ScriptPass
log(" -retime\n");
log(" run 'abc' with -dff option\n");
log("\n");
log(" -nowidelut\n");
log(" do not use muxes to implement LUTs larger than LUT4s\n");
log("\n");
log(" -abc9\n");
log(" use new ABC9 flow (EXPERIMENTAL)\n");
log("\n");
log("\n");
log("The following commands are executed by this synthesis command:\n");
help_script();
@ -173,7 +179,7 @@ struct SynthGowinPass : public ScriptPass
{
run("synth -run coarse");
}
if (!nobram && check_label("bram", "(skip if -nobram)"))
{
run("memory_bram -rules +/gowin/bram.txt");