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-rw-r--r--techlibs/gowin/synth_gowin.cc8
1 files changed, 7 insertions, 1 deletions
diff --git a/techlibs/gowin/synth_gowin.cc b/techlibs/gowin/synth_gowin.cc
index a70ff93bb..bb6d44e00 100644
--- a/techlibs/gowin/synth_gowin.cc
+++ b/techlibs/gowin/synth_gowin.cc
@@ -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");