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| author | Eddie Hung <eddie@fpgeh.com> | 2019-08-20 11:57:52 -0700 |
|---|---|---|
| committer | Eddie Hung <eddie@fpgeh.com> | 2019-08-20 11:57:52 -0700 |
| commit | d9fe4cccbf3cc03fa57b177fd13c6e900a2134f7 (patch) | |
| tree | aceb37b755f6b112e754bbdd50f0a4a6a6ee111d /passes/opt/opt_demorgan.cc | |
| parent | 297a9802122817e143b1e4b87fd0d4e357606a72 (diff) | |
| parent | 3f4886e7a3ff14578b9c6d614efd360478e5886e (diff) | |
| download | yosys-d9fe4cccbf3cc03fa57b177fd13c6e900a2134f7.tar.gz yosys-d9fe4cccbf3cc03fa57b177fd13c6e900a2134f7.tar.bz2 yosys-d9fe4cccbf3cc03fa57b177fd13c6e900a2134f7.zip | |
Merge remote-tracking branch 'origin/master' into eddie/synth_xilinx
Diffstat (limited to 'passes/opt/opt_demorgan.cc')
| -rw-r--r-- | passes/opt/opt_demorgan.cc | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/passes/opt/opt_demorgan.cc b/passes/opt/opt_demorgan.cc index 1699a6454..4bc82815b 100644 --- a/passes/opt/opt_demorgan.cc +++ b/passes/opt/opt_demorgan.cc @@ -35,10 +35,10 @@ void demorgan_worker( //TODO: Add support for reduce_xor //DeMorgan of XOR is either XOR (if even number of inputs) or XNOR (if odd number) - if( (cell->type != "$reduce_and") && (cell->type != "$reduce_or") ) + if( (cell->type != ID($reduce_and)) && (cell->type != ID($reduce_or)) ) return; - auto insig = sigmap(cell->getPort("\\A")); + auto insig = sigmap(cell->getPort(ID::A)); log("Inspecting %s cell %s (%d inputs)\n", log_id(cell->type), log_id(cell->name), GetSize(insig)); int num_inverted = 0; for(int i=0; i<GetSize(insig); i++) @@ -51,7 +51,7 @@ void demorgan_worker( bool inverted = false; for(auto x : ports) { - if(x.port == "\\Y" && x.cell->type == "$_NOT_") + if(x.port == ID::Y && x.cell->type == ID($_NOT_)) { inverted = true; break; @@ -85,7 +85,7 @@ void demorgan_worker( RTLIL::Cell* srcinv = NULL; for(auto x : ports) { - if(x.port == "\\Y" && x.cell->type == "$_NOT_") + if(x.port == ID::Y && x.cell->type == ID($_NOT_)) { srcinv = x.cell; break; @@ -103,7 +103,7 @@ void demorgan_worker( //We ARE inverted - bypass it //Don't automatically delete the inverter since other stuff might still use it else - insig[i] = srcinv->getPort("\\A"); + insig[i] = srcinv->getPort(ID::A); } //Cosmetic fixup: If our input is just a scrambled version of one bus, rearrange it @@ -151,20 +151,20 @@ void demorgan_worker( } //Push the new input signal back to the reduction (after bypassing/adding inverters) - cell->setPort("\\A", insig); + cell->setPort(ID::A, insig); //Change the cell type - if(cell->type == "$reduce_and") - cell->type = "$reduce_or"; - else if(cell->type == "$reduce_or") - cell->type = "$reduce_and"; + if(cell->type == ID($reduce_and)) + cell->type = ID($reduce_or); + else if(cell->type == ID($reduce_or)) + cell->type = ID($reduce_and); //don't change XOR //Add an inverter to the output - auto inverted_output = cell->getPort("\\Y"); + auto inverted_output = cell->getPort(ID::Y); auto uninverted_output = m->addWire(NEW_ID); m->addNot(NEW_ID, RTLIL::SigSpec(uninverted_output), inverted_output); - cell->setPort("\\Y", uninverted_output); + cell->setPort(ID::Y, uninverted_output); } struct OptDemorganPass : public Pass { |