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Merge pull request #45 from alaindargelas/muxpack_no_splitfanout

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Muxpack does not need splitfanout
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alaindargelas 2025-01-16 11:17:00 -08:00 • committed by GitHub
commit 6d8c9ec177
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1 changed files with 0 additions and 26 deletions
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26
passes/opt/muxpack.cc
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@ -453,32 +453,6 @@ struct MuxpackWorker
make_sig_chain_next_prev(); make_sig_chain_next_prev();
find_chain_start_cells(assume_excl); find_chain_start_cells(assume_excl);
// Deselect all cells
Pass::call(design, "select -none");
bool has_cell_to_split = false;
for (auto c : chain_start_cells) {
vector<Cell *> chain = create_chain(c);
for (auto cell : chain) {
has_cell_to_split = true;
// Select the cells that are candidate
design->select(module, cell);
}
}
// Clean up
cleanup(false);
// Make sure we dup the cells with fanout, else the resulting
// transform is not logically equivalent
if (has_cell_to_split)
Pass::call(design, "splitfanout");
// Reset selection for other passes
Pass::call(design, "select -clear");
// Recreate sigmap
sigmap.set(module);
make_sig_chain_next_prev();
find_chain_start_cells(assume_excl);
// Make the actual transform // Make the actual transform
for (auto c : chain_start_cells) { for (auto c : chain_start_cells) {
vector<Cell *> chain = create_chain(c); vector<Cell *> chain = create_chain(c);