Merge pull request #4022 from povik/machxo3-qor-work

MachXO3 QoR improvements
YosysHQ · Nov 13, 2023 · 52d3fa6 · 52d3fa6
2 parents 3fef81b + fed2720
commit 52d3fa6
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/techlibs/lattice/synth_lattice.cc b/techlibs/lattice/synth_lattice.cc
@@ -385,7 +385,7 @@ struct SynthLatticePass : public ScriptPass
 		{
 			run("opt -fast -mux_undef -undriven -fine");
 			run("memory_map");
-			run("opt -undriven -fine");
+			run("opt -undriven -fine -mux_undef");
 		}
 
 		if (check_label("map_gates"))
@@ -421,6 +421,7 @@ struct SynthLatticePass : public ScriptPass
 				dfflegalize_args += " -cell $_DLATCH_?_ x";
 			}
 			run("dfflegalize" + dfflegalize_args, "($_ALDFF_*_ only if -asyncprld, $_DLATCH_* only if not -asyncprld, $_*DFFE_* only if not -nodffe)");
+			run("opt_merge");
 			if ((abc9 && dff) || help_mode)
 				run("zinit -all w:* t:$_DFF_?_ t:$_DFFE_??_ t:$_SDFF*", "(only if -abc9 and -dff)");
 			run("techmap -D NO_LUT -map +/lattice/cells_map.v");