1 /* -*- mesa-c++ -*- 2 * 3 * Copyright (c) 2022 Collabora LTD 4 * 5 * Author: Gert Wollny <gert.wollny@collabora.com> 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a 8 * copy of this software and associated documentation files (the "Software"), 9 * to deal in the Software without restriction, including without limitation 10 * on the rights to use, copy, modify, merge, publish, distribute, sub 11 * license, and/or sell copies of the Software, and to permit persons to whom 12 * the Software is furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the next 15 * paragraph) shall be included in all copies or substantial portions of the 16 * Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 20 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 21 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, 22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 24 * USE OR OTHER DEALINGS IN THE SOFTWARE. 25 */ 26 27 #ifndef INTERFERENCE_H 28 #define INTERFERENCE_H 29 30 #include "sfn_valuefactory.h" 31 32 #include <vector> 33 34 namespace r600 { 35 36 class ComponentInterference { 37 public: 38 using Row = std::vector<int>; 39 40 void prepare_row(int row); 41 42 void add(size_t idx1, size_t idx2); 43 44 auto row(int idx) const -> const Row& 45 { 46 assert((size_t)idx < m_rows.size()); 47 return m_rows[idx]; 48 } 49 50 private: 51 std::vector<Row> m_rows; 52 }; 53 54 class Interference { 55 public: 56 Interference(LiveRangeMap& map); 57 row(int comp,int index)58 const auto& row(int comp, int index) const 59 { 60 assert(comp < 4); 61 return m_components_maps[comp].row(index); 62 } 63 64 private: 65 void initialize(); 66 void initialize(ComponentInterference& comp, LiveRangeMap::ChannelLiveRange& clr); 67 68 LiveRangeMap& m_map; 69 std::array<ComponentInterference, 4> m_components_maps; 70 }; 71 72 bool 73 register_allocation(LiveRangeMap& lrm); 74 75 } // namespace r600 76 77 #endif // INTERFERENCE_H 78