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-rw-r--r--techlibs/ice40/ice40_opt.cc6
-rw-r--r--techlibs/ice40/synth_ice40.cc4
2 files changed, 4 insertions, 6 deletions
diff --git a/techlibs/ice40/ice40_opt.cc b/techlibs/ice40/ice40_opt.cc
index 1b32ce44..990d29aa 100644
--- a/techlibs/ice40/ice40_opt.cc
+++ b/techlibs/ice40/ice40_opt.cc
@@ -57,11 +57,9 @@ static void run_ice40_opts(Module *module)
if (count_zeros >= 2)
replacement_output = State::S0;
-
- if (count_ones >= 2)
+ else if (count_ones >= 2)
replacement_output = State::S1;
-
- if (GetSize(non_const_inputs) == 1)
+ else if (GetSize(non_const_inputs) == 1)
replacement_output = non_const_inputs;
if (GetSize(replacement_output)) {
diff --git a/techlibs/ice40/synth_ice40.cc b/techlibs/ice40/synth_ice40.cc
index 769addf1..e2329031 100644
--- a/techlibs/ice40/synth_ice40.cc
+++ b/techlibs/ice40/synth_ice40.cc
@@ -88,7 +88,7 @@ struct SynthIce40Pass : public Pass {
log(" opt -undriven -fine\n");
log(" techmap -map +/techmap.v [-map +/ice40/arith_map.v]\n");
log(" abc -dff (only if -retime)\n");
- log(" opt -fast\n");
+ log(" ice40_opt\n");
log("\n");
log(" map_ffs:\n");
log(" dff2dffe -direct-match $_DFF_*\n");
@@ -96,7 +96,7 @@ struct SynthIce40Pass : public Pass {
log(" opt_const -mux_undef\n");
log(" simplemap\n");
log(" ice40_ffssr\n");
- log(" clean\n");
+ log(" ice40_opt -full\n");
log("\n");
log(" map_luts:\n");
log(" abc -lut 4\n");