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1 //===- subzero/src/IceTargetLoweringMIPS32.h - MIPS32 lowering ---*- C++-*-===// | 1 //===- subzero/src/IceTargetLoweringMIPS32.h - MIPS32 lowering ---*- C++-*-===// |
2 // | 2 // |
3 // The Subzero Code Generator | 3 // The Subzero Code Generator |
4 // | 4 // |
5 // This file is distributed under the University of Illinois Open Source | 5 // This file is distributed under the University of Illinois Open Source |
6 // License. See LICENSE.TXT for details. | 6 // License. See LICENSE.TXT for details. |
7 // | 7 // |
8 //===----------------------------------------------------------------------===// | 8 //===----------------------------------------------------------------------===// |
9 /// | 9 /// |
10 /// \file | 10 /// \file |
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213 /// without creating any new instructions or operands. | 213 /// without creating any new instructions or operands. |
214 enum OperandLegalization { | 214 enum OperandLegalization { |
215 Legal_None = 0, | 215 Legal_None = 0, |
216 Legal_Reg = 1 << 0, // physical register, not stack location | 216 Legal_Reg = 1 << 0, // physical register, not stack location |
217 Legal_Imm = 1 << 1, | 217 Legal_Imm = 1 << 1, |
218 Legal_Mem = 1 << 2, | 218 Legal_Mem = 1 << 2, |
219 Legal_Default = ~Legal_None | 219 Legal_Default = ~Legal_None |
220 }; | 220 }; |
221 typedef uint32_t LegalMask; | 221 typedef uint32_t LegalMask; |
222 Operand *legalize(Operand *From, LegalMask Allowed = Legal_Default, | 222 Operand *legalize(Operand *From, LegalMask Allowed = Legal_Default, |
223 RegNumT RegNum = RegNumT::NoRegister); | 223 RegNumT RegNum = RegNumT()); |
224 | 224 |
225 Variable *legalizeToVar(Operand *From, RegNumT RegNum = RegNumT::NoRegister); | 225 Variable *legalizeToVar(Operand *From, RegNumT RegNum = RegNumT()); |
226 | 226 |
227 Variable *legalizeToReg(Operand *From, RegNumT RegNum = RegNumT::NoRegister); | 227 Variable *legalizeToReg(Operand *From, RegNumT RegNum = RegNumT()); |
228 | 228 |
229 Variable *makeReg(Type Ty, RegNumT RegNum = RegNumT::NoRegister); | 229 Variable *makeReg(Type Ty, RegNumT RegNum = RegNumT()); |
230 static Type stackSlotType(); | 230 static Type stackSlotType(); |
231 Variable *copyToReg(Operand *Src, RegNumT RegNum = RegNumT::NoRegister); | 231 Variable *copyToReg(Operand *Src, RegNumT RegNum = RegNumT()); |
232 | 232 |
233 void addProlog(CfgNode *Node) override; | 233 void addProlog(CfgNode *Node) override; |
234 void addEpilog(CfgNode *Node) override; | 234 void addEpilog(CfgNode *Node) override; |
235 | 235 |
236 // Ensure that a 64-bit Variable has been split into 2 32-bit | 236 // Ensure that a 64-bit Variable has been split into 2 32-bit |
237 // Variables, creating them if necessary. This is needed for all | 237 // Variables, creating them if necessary. This is needed for all |
238 // I64 operations. | 238 // I64 operations. |
239 void split64(Variable *Var); | 239 void split64(Variable *Var); |
240 Operand *loOperand(Operand *Operand); | 240 Operand *loOperand(Operand *Operand); |
241 Operand *hiOperand(Operand *Operand); | 241 Operand *hiOperand(Operand *Operand); |
242 | 242 |
243 Operand *legalizeUndef(Operand *From, RegNumT RegNum = RegNumT::NoRegister); | 243 Operand *legalizeUndef(Operand *From, RegNumT RegNum = RegNumT()); |
244 | 244 |
245 protected: | 245 protected: |
246 explicit TargetMIPS32(Cfg *Func); | 246 explicit TargetMIPS32(Cfg *Func); |
247 | 247 |
248 void postLower() override; | 248 void postLower() override; |
249 | 249 |
250 void lowerAlloca(const InstAlloca *Instr) override; | 250 void lowerAlloca(const InstAlloca *Instr) override; |
251 void lowerArithmetic(const InstArithmetic *Instr) override; | 251 void lowerArithmetic(const InstArithmetic *Instr) override; |
252 void lowerInt64Arithmetic(const InstArithmetic *Instr, Variable *Dest, | 252 void lowerInt64Arithmetic(const InstArithmetic *Instr, Variable *Dest, |
253 Operand *Src0, Operand *Src1); | 253 Operand *Src0, Operand *Src1); |
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333 explicit TargetHeaderMIPS32(GlobalContext *Ctx); | 333 explicit TargetHeaderMIPS32(GlobalContext *Ctx); |
334 | 334 |
335 private: | 335 private: |
336 ~TargetHeaderMIPS32() = default; | 336 ~TargetHeaderMIPS32() = default; |
337 }; | 337 }; |
338 | 338 |
339 } // end of namespace MIPS32 | 339 } // end of namespace MIPS32 |
340 } // end of namespace Ice | 340 } // end of namespace Ice |
341 | 341 |
342 #endif // SUBZERO_SRC_ICETARGETLOWERINGMIPS32_H | 342 #endif // SUBZERO_SRC_ICETARGETLOWERINGMIPS32_H |
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