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| 1 //===- subzero/src/IceTargetLoweringX8632.h - x86-32 lowering ---*- C++ -*-===// | 1 //===- subzero/src/IceTargetLoweringX8632.h - x86-32 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 // This file declares the TargetLoweringX8632 class, which | 10 // This file declares the TargetLoweringX8632 class, which |
| 11 // implements the TargetLowering interface for the x86-32 | 11 // implements the TargetLowering interface for the x86-32 |
| 12 // architecture. | 12 // architecture. |
| 13 // | 13 // |
| 14 //===----------------------------------------------------------------------===// | 14 //===----------------------------------------------------------------------===// |
| 15 | 15 |
| 16 #ifndef SUBZERO_SRC_ICETARGETLOWERINGX8632_H | 16 #ifndef SUBZERO_SRC_ICETARGETLOWERINGX8632_H |
| 17 #define SUBZERO_SRC_ICETARGETLOWERINGX8632_H | 17 #define SUBZERO_SRC_ICETARGETLOWERINGX8632_H |
| 18 | 18 |
| 19 #include "assembler_ia32.h" | 19 #include "assembler_ia32.h" |
| 20 #include "IceDefs.h" | 20 #include "IceDefs.h" |
| 21 #include "IceInstX8632.h" | 21 #include "IceInstX8632.h" |
| 22 #include "IceRegistersX8632.h" | 22 #include "IceRegistersX8632.h" |
| 23 #include "IceTargetLowering.h" | 23 #include "IceTargetLowering.h" |
| 24 | 24 |
| 25 namespace Ice { | 25 namespace Ice { |
| 26 | 26 |
| 27 class TargetX8632 : public TargetLowering { | 27 class TargetX8632 : public TargetLowering { |
| 28 TargetX8632(const TargetX8632 &) = delete; |
| 29 TargetX8632 &operator=(const TargetX8632 &) = delete; |
| 30 |
| 28 public: | 31 public: |
| 29 static TargetX8632 *create(Cfg *Func) { return new TargetX8632(Func); } | 32 static TargetX8632 *create(Cfg *Func) { return new TargetX8632(Func); } |
| 30 | 33 |
| 31 void translateOm1() override; | 34 void translateOm1() override; |
| 32 void translateO2() override; | 35 void translateO2() override; |
| 33 bool doBranchOpt(Inst *I, const CfgNode *NextNode) override; | 36 bool doBranchOpt(Inst *I, const CfgNode *NextNode) override; |
| 34 | 37 |
| 35 Variable *getPhysicalRegister(SizeT RegNum) override; | 38 Variable *getPhysicalRegister(SizeT RegNum) override; |
| 36 IceString getRegName(SizeT RegNum, Type Ty) const override; | 39 IceString getRegName(SizeT RegNum, Type Ty) const override; |
| 37 llvm::SmallBitVector getRegisterSet(RegSetMask Include, | 40 llvm::SmallBitVector getRegisterSet(RegSetMask Include, |
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| 476 size_t SpillAreaSizeBytes; | 479 size_t SpillAreaSizeBytes; |
| 477 llvm::SmallBitVector TypeToRegisterSet[IceType_NUM]; | 480 llvm::SmallBitVector TypeToRegisterSet[IceType_NUM]; |
| 478 llvm::SmallBitVector ScratchRegs; | 481 llvm::SmallBitVector ScratchRegs; |
| 479 llvm::SmallBitVector RegsUsed; | 482 llvm::SmallBitVector RegsUsed; |
| 480 SizeT NextLabelNumber; | 483 SizeT NextLabelNumber; |
| 481 bool ComputedLiveRanges; | 484 bool ComputedLiveRanges; |
| 482 VarList PhysicalRegisters; | 485 VarList PhysicalRegisters; |
| 483 static IceString RegNames[]; | 486 static IceString RegNames[]; |
| 484 | 487 |
| 485 private: | 488 private: |
| 486 TargetX8632(const TargetX8632 &) = delete; | |
| 487 TargetX8632 &operator=(const TargetX8632 &) = delete; | |
| 488 ~TargetX8632() override {} | 489 ~TargetX8632() override {} |
| 489 template <typename T> void emitConstantPool() const; | 490 template <typename T> void emitConstantPool() const; |
| 490 }; | 491 }; |
| 491 | 492 |
| 492 class TargetGlobalInitX8632 : public TargetGlobalInitLowering { | 493 class TargetGlobalInitX8632 : public TargetGlobalInitLowering { |
| 494 TargetGlobalInitX8632(const TargetGlobalInitX8632 &) = delete; |
| 495 TargetGlobalInitX8632 &operator=(const TargetGlobalInitX8632 &) = delete; |
| 496 |
| 493 public: | 497 public: |
| 494 static TargetGlobalInitLowering *create(GlobalContext *Ctx) { | 498 static TargetGlobalInitLowering *create(GlobalContext *Ctx) { |
| 495 return new TargetGlobalInitX8632(Ctx); | 499 return new TargetGlobalInitX8632(Ctx); |
| 496 } | 500 } |
| 497 | 501 |
| 498 virtual void lower(const VariableDeclaration &Var) final; | 502 virtual void lower(const VariableDeclaration &Var) final; |
| 499 | 503 |
| 500 protected: | 504 protected: |
| 501 TargetGlobalInitX8632(GlobalContext *Ctx); | 505 TargetGlobalInitX8632(GlobalContext *Ctx); |
| 502 | 506 |
| 503 private: | 507 private: |
| 504 TargetGlobalInitX8632(const TargetGlobalInitX8632 &) = delete; | |
| 505 TargetGlobalInitX8632 &operator=(const TargetGlobalInitX8632 &) = delete; | |
| 506 ~TargetGlobalInitX8632() override {} | 508 ~TargetGlobalInitX8632() override {} |
| 507 }; | 509 }; |
| 508 | 510 |
| 509 template <> void ConstantInteger32::emit(GlobalContext *Ctx) const; | 511 template <> void ConstantInteger32::emit(GlobalContext *Ctx) const; |
| 510 template <> void ConstantInteger64::emit(GlobalContext *Ctx) const; | 512 template <> void ConstantInteger64::emit(GlobalContext *Ctx) const; |
| 511 template <> void ConstantFloat::emit(GlobalContext *Ctx) const; | 513 template <> void ConstantFloat::emit(GlobalContext *Ctx) const; |
| 512 template <> void ConstantDouble::emit(GlobalContext *Ctx) const; | 514 template <> void ConstantDouble::emit(GlobalContext *Ctx) const; |
| 513 | 515 |
| 514 } // end of namespace Ice | 516 } // end of namespace Ice |
| 515 | 517 |
| 516 #endif // SUBZERO_SRC_ICETARGETLOWERINGX8632_H | 518 #endif // SUBZERO_SRC_ICETARGETLOWERINGX8632_H |
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