diff options
Diffstat (limited to 'passes')
| -rw-r--r-- | passes/techmap/simplemap.cc | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/passes/techmap/simplemap.cc b/passes/techmap/simplemap.cc index 7511a55c7..0fb5b3741 100644 --- a/passes/techmap/simplemap.cc +++ b/passes/techmap/simplemap.cc @@ -283,6 +283,21 @@ void simplemap_mux(RTLIL::Module *module, RTLIL::Cell *cell) } } +void simplemap_tribuf(RTLIL::Module *module, RTLIL::Cell *cell) +{ + RTLIL::SigSpec sig_a = cell->getPort("\\A"); + RTLIL::SigSpec sig_e = cell->getPort("\\EN"); + RTLIL::SigSpec sig_y = cell->getPort("\\Y"); + + for (int i = 0; i < GetSize(sig_y); i++) { + RTLIL::Cell *gate = module->addCell(NEW_ID, "$_TBUF_"); + gate->add_strpool_attribute("\\src", cell->get_strpool_attribute("\\src")); + gate->setPort("\\A", sig_a[i]); + gate->setPort("\\E", sig_e[i]); + gate->setPort("\\Y", sig_y[i]); + } +} + void simplemap_lut(RTLIL::Module *module, RTLIL::Cell *cell) { SigSpec lut_ctrl = cell->getPort("\\A"); @@ -481,6 +496,7 @@ void simplemap_get_mappers(std::map<RTLIL::IdString, void(*)(RTLIL::Module*, RTL mappers["$ne"] = simplemap_eqne; mappers["$nex"] = simplemap_eqne; mappers["$mux"] = simplemap_mux; + mappers["$tribuf"] = simplemap_tribuf; mappers["$lut"] = simplemap_lut; mappers["$slice"] = simplemap_slice; mappers["$concat"] = simplemap_concat; @@ -521,7 +537,7 @@ struct SimplemapPass : public Pass { log("\n"); log(" $not, $pos, $and, $or, $xor, $xnor\n"); log(" $reduce_and, $reduce_or, $reduce_xor, $reduce_xnor, $reduce_bool\n"); - log(" $logic_not, $logic_and, $logic_or, $mux\n"); + log(" $logic_not, $logic_and, $logic_or, $mux, $tribuf\n"); log(" $sr, $dff, $dffsr, $adff, $dlatch\n"); log("\n"); } |