regfile.hh (10934:5af8f40d8f2c) | regfile.hh (10935:acd48ddd725f) |
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1/* 2 * Copyright (c) 2004-2005 The Regents of The University of Michigan 3 * Copyright (c) 2013 Advanced Micro Devices, Inc. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are 8 * met: redistributions of source code must retain the above copyright --- 42 unchanged lines hidden (view full) --- 51class PhysRegFile 52{ 53 private: 54 55 typedef TheISA::IntReg IntReg; 56 typedef TheISA::FloatReg FloatReg; 57 typedef TheISA::FloatRegBits FloatRegBits; 58 typedef TheISA::CCReg CCReg; | 1/* 2 * Copyright (c) 2004-2005 The Regents of The University of Michigan 3 * Copyright (c) 2013 Advanced Micro Devices, Inc. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are 8 * met: redistributions of source code must retain the above copyright --- 42 unchanged lines hidden (view full) --- 51class PhysRegFile 52{ 53 private: 54 55 typedef TheISA::IntReg IntReg; 56 typedef TheISA::FloatReg FloatReg; 57 typedef TheISA::FloatRegBits FloatRegBits; 58 typedef TheISA::CCReg CCReg; |
59 typedef TheISA::VectorReg VectorReg; | |
60 61 typedef union { 62 FloatReg d; 63 FloatRegBits q; 64 } PhysFloatReg; 65 66 /** Integer register file. */ 67 std::vector<IntReg> intRegFile; 68 69 /** Floating point register file. */ 70 std::vector<PhysFloatReg> floatRegFile; 71 72 /** Condition-code register file. */ 73 std::vector<CCReg> ccRegFile; 74 | 59 60 typedef union { 61 FloatReg d; 62 FloatRegBits q; 63 } PhysFloatReg; 64 65 /** Integer register file. */ 66 std::vector<IntReg> intRegFile; 67 68 /** Floating point register file. */ 69 std::vector<PhysFloatReg> floatRegFile; 70 71 /** Condition-code register file. */ 72 std::vector<CCReg> ccRegFile; 73 |
75 /** Vector register file. */ 76 std::vector<VectorReg> vectorRegFile; 77 | |
78 /** 79 * The first floating-point physical register index. The physical 80 * register file has a single continuous index space, with the 81 * initial indices mapping to the integer registers, followed 82 * immediately by the floating-point registers. Thus the first 83 * floating-point index is equal to the number of integer 84 * registers. 85 * --- 6 unchanged lines hidden (view full) --- 92 unsigned baseFloatRegIndex; 93 94 /** 95 * The first condition-code physical register index. The 96 * condition-code registers follow the floating-point registers. 97 */ 98 unsigned baseCCRegIndex; 99 | 74 /** 75 * The first floating-point physical register index. The physical 76 * register file has a single continuous index space, with the 77 * initial indices mapping to the integer registers, followed 78 * immediately by the floating-point registers. Thus the first 79 * floating-point index is equal to the number of integer 80 * registers. 81 * --- 6 unchanged lines hidden (view full) --- 88 unsigned baseFloatRegIndex; 89 90 /** 91 * The first condition-code physical register index. The 92 * condition-code registers follow the floating-point registers. 93 */ 94 unsigned baseCCRegIndex; 95 |
100 /** 101 * The first vector physical register index. The vector registers follow 102 * the condition-code registers. 103 */ 104 unsigned baseVectorRegIndex; 105 | |
106 /** Total number of physical registers. */ 107 unsigned totalNumRegs; 108 109 public: 110 /** 111 * Constructs a physical register file with the specified amount of 112 * integer and floating point registers. 113 */ 114 PhysRegFile(unsigned _numPhysicalIntRegs, 115 unsigned _numPhysicalFloatRegs, | 96 /** Total number of physical registers. */ 97 unsigned totalNumRegs; 98 99 public: 100 /** 101 * Constructs a physical register file with the specified amount of 102 * integer and floating point registers. 103 */ 104 PhysRegFile(unsigned _numPhysicalIntRegs, 105 unsigned _numPhysicalFloatRegs, |
116 unsigned _numPhysicalCCRegs, 117 unsigned _numPhysicalVectorRegs); | 106 unsigned _numPhysicalCCRegs); |
118 119 /** 120 * Destructor to free resources 121 */ 122 ~PhysRegFile() {} 123 124 /** Initialize the free list */ 125 void initFreeList(UnifiedFreeList *freeList); 126 127 /** @return the number of integer physical registers. */ 128 unsigned numIntPhysRegs() const { return baseFloatRegIndex; } 129 130 /** @return the number of floating-point physical registers. */ 131 unsigned numFloatPhysRegs() const 132 { return baseCCRegIndex - baseFloatRegIndex; } 133 134 /** @return the number of condition-code physical registers. */ 135 unsigned numCCPhysRegs() const | 107 108 /** 109 * Destructor to free resources 110 */ 111 ~PhysRegFile() {} 112 113 /** Initialize the free list */ 114 void initFreeList(UnifiedFreeList *freeList); 115 116 /** @return the number of integer physical registers. */ 117 unsigned numIntPhysRegs() const { return baseFloatRegIndex; } 118 119 /** @return the number of floating-point physical registers. */ 120 unsigned numFloatPhysRegs() const 121 { return baseCCRegIndex - baseFloatRegIndex; } 122 123 /** @return the number of condition-code physical registers. */ 124 unsigned numCCPhysRegs() const |
136 { return baseVectorRegIndex - baseCCRegIndex; } | 125 { return totalNumRegs - baseCCRegIndex; } |
137 | 126 |
138 /** @return the number of vector physical registers. */ 139 unsigned numVectorPhysRegs() const 140 { return totalNumRegs - baseVectorRegIndex; } 141 | |
142 /** @return the total number of physical registers. */ 143 unsigned totalNumPhysRegs() const { return totalNumRegs; } 144 145 /** 146 * @return true if the specified physical register index 147 * corresponds to an integer physical register. 148 */ 149 bool isIntPhysReg(PhysRegIndex reg_idx) const --- 11 unchanged lines hidden (view full) --- 161 } 162 163 /** 164 * Return true if the specified physical register index 165 * corresponds to a condition-code physical register. 166 */ 167 bool isCCPhysReg(PhysRegIndex reg_idx) 168 { | 127 /** @return the total number of physical registers. */ 128 unsigned totalNumPhysRegs() const { return totalNumRegs; } 129 130 /** 131 * @return true if the specified physical register index 132 * corresponds to an integer physical register. 133 */ 134 bool isIntPhysReg(PhysRegIndex reg_idx) const --- 11 unchanged lines hidden (view full) --- 146 } 147 148 /** 149 * Return true if the specified physical register index 150 * corresponds to a condition-code physical register. 151 */ 152 bool isCCPhysReg(PhysRegIndex reg_idx) 153 { |
169 return (baseCCRegIndex <= reg_idx && reg_idx < baseVectorRegIndex); | 154 return (baseCCRegIndex <= reg_idx && reg_idx < totalNumRegs); |
170 } 171 | 155 } 156 |
172 /** 173 * @return true if the specified physical register index 174 * corresponds to a vector physical register. 175 */ 176 bool isVectorPhysReg(PhysRegIndex reg_idx) const 177 { 178 return baseVectorRegIndex <= reg_idx && reg_idx < totalNumRegs; 179 } 180 | |
181 /** Reads an integer register. */ 182 uint64_t readIntReg(PhysRegIndex reg_idx) const 183 { 184 assert(isIntPhysReg(reg_idx)); 185 186 DPRINTF(IEW, "RegFile: Access to int register %i, has data " 187 "%#x\n", int(reg_idx), intRegFile[reg_idx]); 188 return intRegFile[reg_idx]; --- 37 unchanged lines hidden (view full) --- 226 PhysRegIndex reg_offset = reg_idx - baseCCRegIndex; 227 228 DPRINTF(IEW, "RegFile: Access to cc register %i, has " 229 "data %#x\n", int(reg_idx), ccRegFile[reg_offset]); 230 231 return ccRegFile[reg_offset]; 232 } 233 | 157 /** Reads an integer register. */ 158 uint64_t readIntReg(PhysRegIndex reg_idx) const 159 { 160 assert(isIntPhysReg(reg_idx)); 161 162 DPRINTF(IEW, "RegFile: Access to int register %i, has data " 163 "%#x\n", int(reg_idx), intRegFile[reg_idx]); 164 return intRegFile[reg_idx]; --- 37 unchanged lines hidden (view full) --- 202 PhysRegIndex reg_offset = reg_idx - baseCCRegIndex; 203 204 DPRINTF(IEW, "RegFile: Access to cc register %i, has " 205 "data %#x\n", int(reg_idx), ccRegFile[reg_offset]); 206 207 return ccRegFile[reg_offset]; 208 } 209 |
234 /** Reads a vector register. */ 235 const VectorReg &readVectorReg(PhysRegIndex reg_idx) const 236 { 237 assert(isVectorPhysReg(reg_idx)); 238 239 // Remove the base vector reg dependency. 240 PhysRegIndex reg_offset = reg_idx - baseVectorRegIndex; 241 242 DPRINTF(IEW, "RegFile: Access to vector register %i\n", int(reg_idx)); 243 return vectorRegFile[reg_offset]; 244 } 245 | |
246 /** Sets an integer register to the given value. */ 247 void setIntReg(PhysRegIndex reg_idx, uint64_t val) 248 { 249 assert(isIntPhysReg(reg_idx)); 250 251 DPRINTF(IEW, "RegFile: Setting int register %i to %#x\n", 252 int(reg_idx), val); 253 --- 39 unchanged lines hidden (view full) --- 293 // Remove the base CC reg dependency. 294 PhysRegIndex reg_offset = reg_idx - baseCCRegIndex; 295 296 DPRINTF(IEW, "RegFile: Setting cc register %i to %#x\n", 297 int(reg_idx), (uint64_t)val); 298 299 ccRegFile[reg_offset] = val; 300 } | 210 /** Sets an integer register to the given value. */ 211 void setIntReg(PhysRegIndex reg_idx, uint64_t val) 212 { 213 assert(isIntPhysReg(reg_idx)); 214 215 DPRINTF(IEW, "RegFile: Setting int register %i to %#x\n", 216 int(reg_idx), val); 217 --- 39 unchanged lines hidden (view full) --- 257 // Remove the base CC reg dependency. 258 PhysRegIndex reg_offset = reg_idx - baseCCRegIndex; 259 260 DPRINTF(IEW, "RegFile: Setting cc register %i to %#x\n", 261 int(reg_idx), (uint64_t)val); 262 263 ccRegFile[reg_offset] = val; 264 } |
301 302 /** Sets a vector register to the given value. */ 303 void setVectorReg(PhysRegIndex reg_idx, const VectorReg &val) 304 { 305 assert(isVectorPhysReg(reg_idx)); 306 // Remove the base vector reg dependency. 307 PhysRegIndex reg_offset = reg_idx - baseVectorRegIndex; 308 DPRINTF(IEW, "RegFile: Setting vector register %i\n", int(reg_idx)); 309 vectorRegFile[reg_offset] = val; 310 } | |
311}; 312 313 314#endif //__CPU_O3_REGFILE_HH__ | 265}; 266 267 268#endif //__CPU_O3_REGFILE_HH__ |