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ice40_opt bugfix

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This commit is contained in:
Clifford Wolf 2015-04-27 11:36:13 +02:00
parent 310fde197e
commit 9d067fecea
2 changed files with 4 additions and 6 deletions
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6
techlibs/ice40/ice40_opt.cc
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@ -57,11 +57,9 @@ static void run_ice40_opts(Module *module)
if (count_zeros >= 2) if (count_zeros >= 2)
replacement_output = State::S0; replacement_output = State::S0;
else if (count_ones >= 2)
if (count_ones >= 2)
replacement_output = State::S1; replacement_output = State::S1;
else if (GetSize(non_const_inputs) == 1)
if (GetSize(non_const_inputs) == 1)
replacement_output = non_const_inputs; replacement_output = non_const_inputs;
if (GetSize(replacement_output)) { if (GetSize(replacement_output)) {

4
techlibs/ice40/synth_ice40.cc
View file

@ -88,7 +88,7 @@ struct SynthIce40Pass : public Pass {
log(" opt -undriven -fine\n"); log(" opt -undriven -fine\n");
log(" techmap -map +/techmap.v [-map +/ice40/arith_map.v]\n"); log(" techmap -map +/techmap.v [-map +/ice40/arith_map.v]\n");
log(" abc -dff (only if -retime)\n"); log(" abc -dff (only if -retime)\n");
log(" opt -fast\n"); log(" ice40_opt\n");
log("\n"); log("\n");
log(" map_ffs:\n"); log(" map_ffs:\n");
log(" dff2dffe -direct-match $_DFF_*\n"); log(" dff2dffe -direct-match $_DFF_*\n");
@ -96,7 +96,7 @@ struct SynthIce40Pass : public Pass {
log(" opt_const -mux_undef\n"); log(" opt_const -mux_undef\n");
log(" simplemap\n"); log(" simplemap\n");
log(" ice40_ffssr\n"); log(" ice40_ffssr\n");
log(" clean\n"); log(" ice40_opt -full\n");
log("\n"); log("\n");
log(" map_luts:\n"); log(" map_luts:\n");
log(" abc -lut 4\n"); log(" abc -lut 4\n");