diff options
Diffstat (limited to 'techlibs/ice40/ice40_opt.cc')
| -rw-r--r-- | techlibs/ice40/ice40_opt.cc | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/techlibs/ice40/ice40_opt.cc b/techlibs/ice40/ice40_opt.cc index 9bee0444b..df10a2842 100644 --- a/techlibs/ice40/ice40_opt.cc +++ b/techlibs/ice40/ice40_opt.cc @@ -139,7 +139,8 @@ static void run_ice40_opts(Module *module) 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", { cell->getPort("\\I0"), inbit[0], inbit[1], cell->getPort("\\I3") }); + auto I3 = cell->getPort(cell->getParam(ID(I3_IS_CI)).as_bool() ? ID(CI) : ID(I3)); + cell->setPort("\\A", { cell->getPort("\\I0"), inbit[0], inbit[1], I3 }); cell->setPort("\\Y", cell->getPort("\\O")); cell->unsetPort("\\B"); cell->unsetPort("\\CI"); @@ -148,6 +149,7 @@ static void run_ice40_opts(Module *module) cell->unsetPort("\\CO"); cell->unsetPort("\\O"); cell->setParam("\\WIDTH", 4); + cell->unsetParam("\\I3_IS_CI"); } continue; } |