77 lines
2.3 KiB
C++
77 lines
2.3 KiB
C++
// OpenSTA, Static Timing Analyzer
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// Copyright (c) 2020, Parallax Software, Inc.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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#pragma once
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#include "Vector.hh"
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#include "Map.hh"
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#include "UnorderedMap.hh"
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#include "LibertyClass.hh"
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namespace sta {
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typedef Map<LibertyCell*, LibertyCellSeq*> EquivCellMap;
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typedef UnorderedMap<unsigned, LibertyCellSeq*> LibertyCellHashMap;
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class EquivCells
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{
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public:
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// Find equivalent cells in equiv_libs.
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// Optionally add mappings for cells in map_libs.
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EquivCells(LibertyLibrarySeq *equiv_libs,
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LibertyLibrarySeq *map_libs);
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~EquivCells();
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// Find equivalents for cell (member of from_libs) in to_libs.
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LibertyCellSeq *equivs(LibertyCell *cell);
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protected:
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void findEquivCells(const LibertyLibrary *library,
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LibertyCellHashMap &hash_matches);
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void mapEquivCells(const LibertyLibrary *library,
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LibertyCellHashMap &hash_matches);
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EquivCellMap equiv_cells_;
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// Unique cell for each equiv cell group.
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LibertyCellSeq unique_equiv_cells_;
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};
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// Predicate that is true when the ports, functions, sequentials and
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// timing arcs match.
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bool
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equivCells(const LibertyCell *cell1,
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const LibertyCell *cell2);
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// Predicate that is true when the ports match.
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bool
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equivCellPorts(const LibertyCell *cell1,
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const LibertyCell *cell2);
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// Predicate that is true when the ports and their functions match.
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bool
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equivCellPortsAndFuncs(const LibertyCell *cell1,
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const LibertyCell *cell2);
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// Predicate that is true when the timing arc sets match.
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bool
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equivCellTimingArcSets(const LibertyCell *cell1,
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const LibertyCell *cell2);
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bool
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equivCellSequentials(const LibertyCell *cell1,
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const LibertyCell *cell2);
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} // namespace
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