aboutsummaryrefslogtreecommitdiffstats
path: root/techlibs/ice40/ice40_opt.cc
diff options
context:
space:
mode:
Diffstat (limited to 'techlibs/ice40/ice40_opt.cc')
-rw-r--r--techlibs/ice40/ice40_opt.cc9
1 files changed, 5 insertions, 4 deletions
diff --git a/techlibs/ice40/ice40_opt.cc b/techlibs/ice40/ice40_opt.cc
index d5106b805..ea56d3f4d 100644
--- a/techlibs/ice40/ice40_opt.cc
+++ b/techlibs/ice40/ice40_opt.cc
@@ -84,7 +84,7 @@ static void run_ice40_opts(Module *module)
continue;
}
- if (cell->type == "$__ICE40_FULL_ADDER")
+ if (cell->type == "$__ICE40_CARRY_WRAPPER")
{
SigSpec non_const_inputs, replacement_output;
int count_zeros = 0, count_ones = 0;
@@ -114,16 +114,17 @@ static void run_ice40_opts(Module *module)
optimized_co.insert(sigmap(cell->getPort("\\CO")[0]));
module->connect(cell->getPort("\\CO")[0], replacement_output);
module->design->scratchpad_set_bool("opt.did_something", true);
- log("Optimized $__ICE40_FULL_ADDER cell back to logic (without SB_CARRY) %s.%s: CO=%s\n",
+ log("Optimized $__ICE40_CARRY_WRAPPER cell back to logic (without SB_CARRY) %s.%s: CO=%s\n",
log_id(module), log_id(cell), log_signal(replacement_output));
cell->type = "$lut";
- cell->setPort("\\A", { State::S0, inbit[0], inbit[1], inbit[2] });
+ cell->setPort("\\A", { cell->getPort("\\I0"), inbit[0], inbit[1], cell->getPort("\\I3") });
cell->setPort("\\Y", cell->getPort("\\O"));
cell->unsetPort("\\B");
cell->unsetPort("\\CI");
+ cell->unsetPort("\\I0");
+ cell->unsetPort("\\I3");
cell->unsetPort("\\CO");
cell->unsetPort("\\O");
- cell->setParam("\\LUT", RTLIL::Const::from_string("0110100110010110"));
cell->setParam("\\WIDTH", 4);
}
continue;