1/* |
2 * Copyright (c) 2016-2017 ARM Limited |
3 * All rights reserved 4 * 5 * The license below extends only to copyright in the software and shall 6 * not be construed as granting a license to any other intellectual 7 * property including but not limited to intellectual property relating 8 * to a hardware implementation of the functionality of the software 9 * licensed hereunder. You may use the software subject to the license 10 * terms below provided that you ensure that this notice is replicated --- 54 unchanged lines hidden (view full) --- 65{ 66 private: 67 68 typedef TheISA::CCReg CCReg; 69 using VecElem = TheISA::VecElem; 70 using VecRegContainer = TheISA::VecRegContainer; 71 using PhysIds = std::vector<PhysRegId>; 72 using VecMode = Enums::VecRegRenameMode; |
73 using VecPredRegContainer = TheISA::VecPredRegContainer; |
74 public: 75 using IdRange = std::pair<PhysIds::const_iterator, 76 PhysIds::const_iterator>; 77 private: 78 static constexpr auto NumVecElemPerVecReg = TheISA::NumVecElemPerVecReg; 79 80 /** Integer register file. */ 81 std::vector<RegVal> intRegFile; 82 std::vector<PhysRegId> intRegIds; 83 84 /** Floating point register file. */ 85 std::vector<RegVal> floatRegFile; 86 std::vector<PhysRegId> floatRegIds; 87 88 /** Vector register file. */ 89 std::vector<VecRegContainer> vectorRegFile; 90 std::vector<PhysRegId> vecRegIds; 91 std::vector<PhysRegId> vecElemIds; 92 |
93 /** Predicate register file. */ 94 std::vector<VecPredRegContainer> vecPredRegFile; 95 std::vector<PhysRegId> vecPredRegIds; 96 |
97 /** Condition-code register file. */ 98 std::vector<CCReg> ccRegFile; 99 std::vector<PhysRegId> ccRegIds; 100 101 /** Misc Reg Ids */ 102 std::vector<PhysRegId> miscRegIds; 103 104 /** --- 12 unchanged lines hidden (view full) --- 117 unsigned numPhysicalVecRegs; 118 119 /** 120 * Number of physical vector element registers 121 */ 122 unsigned numPhysicalVecElemRegs; 123 124 /** |
125 * Number of physical predicate registers 126 */ 127 unsigned numPhysicalVecPredRegs; 128 129 /** |
130 * Number of physical CC registers 131 */ 132 unsigned numPhysicalCCRegs; 133 134 /** Total number of physical registers. */ 135 unsigned totalNumRegs; 136 137 /** Mode in which vector registers are addressed. */ 138 VecMode vecMode; 139 140 public: 141 /** 142 * Constructs a physical register file with the specified amount of 143 * integer and floating point registers. 144 */ 145 PhysRegFile(unsigned _numPhysicalIntRegs, 146 unsigned _numPhysicalFloatRegs, 147 unsigned _numPhysicalVecRegs, |
148 unsigned _numPhysicalVecPredRegs, |
149 unsigned _numPhysicalCCRegs, 150 VecMode vmode 151 ); 152 153 /** 154 * Destructor to free resources 155 */ 156 ~PhysRegFile() {} 157 158 /** Initialize the free list */ 159 void initFreeList(UnifiedFreeList *freeList); 160 161 /** @return the number of integer physical registers. */ 162 unsigned numIntPhysRegs() const { return numPhysicalIntRegs; } 163 164 /** @return the number of floating-point physical registers. */ 165 unsigned numFloatPhysRegs() const { return numPhysicalFloatRegs; } 166 /** @return the number of vector physical registers. */ 167 unsigned numVecPhysRegs() const { return numPhysicalVecRegs; } |
168 /** @return the number of predicate physical registers. */ 169 unsigned numPredPhysRegs() const { return numPhysicalVecPredRegs; } |
170 171 /** @return the number of vector physical registers. */ 172 unsigned numVecElemPhysRegs() const { return numPhysicalVecElemRegs; } 173 174 /** @return the number of condition-code physical registers. */ 175 unsigned numCCPhysRegs() const { return numPhysicalCCRegs; } 176 177 /** @return the total number of physical registers. */ --- 31 unchanged lines hidden (view full) --- 209 /** Reads a vector register. */ 210 const VecRegContainer & 211 readVecReg(PhysRegIdPtr phys_reg) const 212 { 213 assert(phys_reg->isVectorPhysReg()); 214 215 DPRINTF(IEW, "RegFile: Access to vector register %i, has " 216 "data %s\n", int(phys_reg->index()), |
217 vectorRegFile[phys_reg->index()].print()); |
218 219 return vectorRegFile[phys_reg->index()]; 220 } 221 222 /** Reads a vector register for modification. */ 223 VecRegContainer & 224 getWritableVecReg(PhysRegIdPtr phys_reg) 225 { --- 40 unchanged lines hidden (view full) --- 266 const VecElem& val = ret[phys_reg->elemIndex()]; 267 DPRINTF(IEW, "RegFile: Access to element %d of vector register %i," 268 " has data %#x\n", phys_reg->elemIndex(), 269 int(phys_reg->index()), val); 270 271 return val; 272 } 273 |
274 /** Reads a predicate register. */ 275 const VecPredRegContainer& readVecPredReg(PhysRegIdPtr phys_reg) const 276 { 277 assert(phys_reg->isVecPredPhysReg()); 278 279 DPRINTF(IEW, "RegFile: Access to predicate register %i, has " 280 "data %s\n", int(phys_reg->index()), 281 vecPredRegFile[phys_reg->index()].print()); 282 283 return vecPredRegFile[phys_reg->index()]; 284 } 285 286 VecPredRegContainer& getWritableVecPredReg(PhysRegIdPtr phys_reg) 287 { 288 /* const_cast for not duplicating code above. */ 289 return const_cast<VecPredRegContainer&>(readVecPredReg(phys_reg)); 290 } 291 |
292 /** Reads a condition-code register. */ 293 CCReg 294 readCCReg(PhysRegIdPtr phys_reg) 295 { 296 assert(phys_reg->isCCPhysReg()); 297 298 DPRINTF(IEW, "RegFile: Access to cc register %i, has " 299 "data %#x\n", phys_reg->index(), --- 47 unchanged lines hidden (view full) --- 347 348 DPRINTF(IEW, "RegFile: Setting element %d of vector register %i to" 349 " %#x\n", phys_reg->elemIndex(), int(phys_reg->index()), val); 350 351 vectorRegFile[phys_reg->index()].as<VecElem>()[phys_reg->elemIndex()] = 352 val; 353 } 354 |
355 /** Sets a predicate register to the given value. */ 356 void setVecPredReg(PhysRegIdPtr phys_reg, const VecPredRegContainer& val) 357 { 358 assert(phys_reg->isVecPredPhysReg()); 359 360 DPRINTF(IEW, "RegFile: Setting predicate register %i to %s\n", 361 int(phys_reg->index()), val.print()); 362 363 vecPredRegFile[phys_reg->index()] = val; 364 } 365 |
366 /** Sets a condition-code register to the given value. */ 367 void 368 setCCReg(PhysRegIdPtr phys_reg, CCReg val) 369 { 370 assert(phys_reg->isCCPhysReg()); 371 372 DPRINTF(IEW, "RegFile: Setting cc register %i to %#x\n", 373 phys_reg->index(), (uint64_t)val); --- 26 unchanged lines hidden --- |