rename_map.hh (2670:9107b8bd08cd) | rename_map.hh (2674:6d4afef73a20) |
---|---|
1/* 2 * Copyright (c) 2004-2005 The Regents of The University of Michigan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; --- 50 unchanged lines hidden (view full) --- 59 * Pair of a physical register and a physical register. Used to 60 * return the physical register that a logical register has been 61 * renamed to, and the previous physical register that the same 62 * logical register was previously mapped to. 63 */ 64 typedef std::pair<PhysRegIndex, PhysRegIndex> RenameInfo; 65 66 public: | 1/* 2 * Copyright (c) 2004-2005 The Regents of The University of Michigan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; --- 50 unchanged lines hidden (view full) --- 59 * Pair of a physical register and a physical register. Used to 60 * return the physical register that a logical register has been 61 * renamed to, and the previous physical register that the same 62 * logical register was previously mapped to. 63 */ 64 typedef std::pair<PhysRegIndex, PhysRegIndex> RenameInfo; 65 66 public: |
67 //Constructor 68 SimpleRenameMap() {}; | 67 /** Default constructor. init() must be called prior to use. */ 68 SimpleRenameMap() {}; |
69 70 /** Destructor. */ 71 ~SimpleRenameMap(); 72 | 69 70 /** Destructor. */ 71 ~SimpleRenameMap(); 72 |
73 /** Initializes rename map with given parameters. */ |
|
73 void init(unsigned _numLogicalIntRegs, 74 unsigned _numPhysicalIntRegs, 75 PhysRegIndex &_int_reg_start, 76 77 unsigned _numLogicalFloatRegs, 78 unsigned _numPhysicalFloatRegs, 79 PhysRegIndex &_float_reg_start, 80 81 unsigned _numMiscRegs, 82 83 RegIndex _intZeroReg, 84 RegIndex _floatZeroReg, 85 86 int id, 87 bool bindRegs); 88 | 74 void init(unsigned _numLogicalIntRegs, 75 unsigned _numPhysicalIntRegs, 76 PhysRegIndex &_int_reg_start, 77 78 unsigned _numLogicalFloatRegs, 79 unsigned _numPhysicalFloatRegs, 80 PhysRegIndex &_float_reg_start, 81 82 unsigned _numMiscRegs, 83 84 RegIndex _intZeroReg, 85 RegIndex _floatZeroReg, 86 87 int id, 88 bool bindRegs); 89 |
90 /** Sets the free list used with this rename map. */ |
|
89 void setFreeList(SimpleFreeList *fl_ptr); 90 91 //Tell rename map to get a free physical register for a given 92 //architected register. Not sure it should have a return value, 93 //but perhaps it should have some sort of fault in case there are 94 //no free registers. 95 RenameInfo rename(RegIndex arch_reg); 96 --- 49 unchanged lines hidden (view full) --- 146 PhysRegIndex physical_reg; 147 bool valid; 148 149 RenameEntry() 150 : physical_reg(0), valid(false) 151 { } 152 }; 153 | 91 void setFreeList(SimpleFreeList *fl_ptr); 92 93 //Tell rename map to get a free physical register for a given 94 //architected register. Not sure it should have a return value, 95 //but perhaps it should have some sort of fault in case there are 96 //no free registers. 97 RenameInfo rename(RegIndex arch_reg); 98 --- 49 unchanged lines hidden (view full) --- 148 PhysRegIndex physical_reg; 149 bool valid; 150 151 RenameEntry() 152 : physical_reg(0), valid(false) 153 { } 154 }; 155 |
154 //Change this to private | |
155 private: 156 /** Integer rename map. */ 157 std::vector<RenameEntry> intRenameMap; 158 159 /** Floating point rename map. */ 160 std::vector<RenameEntry> floatRenameMap; 161 162 private: 163 /** Free list interface. */ 164 SimpleFreeList *freeList; 165}; 166 167#endif //__CPU_O3_RENAME_MAP_HH__ | 156 private: 157 /** Integer rename map. */ 158 std::vector<RenameEntry> intRenameMap; 159 160 /** Floating point rename map. */ 161 std::vector<RenameEntry> floatRenameMap; 162 163 private: 164 /** Free list interface. */ 165 SimpleFreeList *freeList; 166}; 167 168#endif //__CPU_O3_RENAME_MAP_HH__ |