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1 //===- subzero/src/IceTargetLoweringARM32.h - ARM32 lowering ----*- C++ -*-===// | 1 //===- subzero/src/IceTargetLoweringARM32.h - ARM32 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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74 IceString getRegName(SizeT RegNum, Type Ty) const override; | 74 IceString getRegName(SizeT RegNum, Type Ty) const override; |
75 llvm::SmallBitVector getRegisterSet(RegSetMask Include, | 75 llvm::SmallBitVector getRegisterSet(RegSetMask Include, |
76 RegSetMask Exclude) const override; | 76 RegSetMask Exclude) const override; |
77 const llvm::SmallBitVector &getRegisterSetForType(Type Ty) const override { | 77 const llvm::SmallBitVector &getRegisterSetForType(Type Ty) const override { |
78 return TypeToRegisterSet[Ty]; | 78 return TypeToRegisterSet[Ty]; |
79 } | 79 } |
80 const llvm::SmallBitVector &getAliasesForRegister(SizeT Reg) const override { | 80 const llvm::SmallBitVector &getAliasesForRegister(SizeT Reg) const override { |
81 return RegisterAliases[Reg]; | 81 return RegisterAliases[Reg]; |
82 } | 82 } |
83 bool hasFramePointer() const override { return UsesFramePointer; } | 83 bool hasFramePointer() const override { return UsesFramePointer; } |
| 84 void setHasFramePointer() override { UsesFramePointer = true; } |
84 SizeT getStackReg() const override { return RegARM32::Reg_sp; } | 85 SizeT getStackReg() const override { return RegARM32::Reg_sp; } |
85 SizeT getFrameOrStackReg() const override { | 86 SizeT getFrameOrStackReg() const override { |
86 return UsesFramePointer ? RegARM32::Reg_fp : RegARM32::Reg_sp; | 87 return UsesFramePointer ? RegARM32::Reg_fp : RegARM32::Reg_sp; |
87 } | 88 } |
88 SizeT getReservedTmpReg() const { return RegARM32::Reg_ip; } | 89 SizeT getReservedTmpReg() const { return RegARM32::Reg_ip; } |
89 | 90 |
90 size_t typeWidthInBytesOnStack(Type Ty) const override { | 91 size_t typeWidthInBytesOnStack(Type Ty) const override { |
91 // Round up to the next multiple of 4 bytes. In particular, i1, i8, and i16 | 92 // Round up to the next multiple of 4 bytes. In particular, i1, i8, and i16 |
92 // are rounded up to 4 bytes. | 93 // are rounded up to 4 bytes. |
93 return (typeWidthInBytes(Ty) + 3) & ~3; | 94 return (typeWidthInBytes(Ty) + 3) & ~3; |
94 } | 95 } |
| 96 uint32_t getStackAlignment() const override; |
95 | 97 |
96 bool shouldSplitToVariable64On32(Type Ty) const override { | 98 bool shouldSplitToVariable64On32(Type Ty) const override { |
97 return Ty == IceType_i64; | 99 return Ty == IceType_i64; |
98 } | 100 } |
99 | 101 |
100 // TODO(ascull): what size is best for ARM? | 102 // TODO(ascull): what size is best for ARM? |
101 SizeT getMinJumpTableSize() const override { return 3; } | 103 SizeT getMinJumpTableSize() const override { return 3; } |
102 void emitJumpTable(const Cfg *Func, | 104 void emitJumpTable(const Cfg *Func, |
103 const InstJumpTable *JumpTable) const override; | 105 const InstJumpTable *JumpTable) const override; |
104 | 106 |
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707 | 709 |
708 private: | 710 private: |
709 ~TargetHeaderARM32() = default; | 711 ~TargetHeaderARM32() = default; |
710 | 712 |
711 TargetARM32Features CPUFeatures; | 713 TargetARM32Features CPUFeatures; |
712 }; | 714 }; |
713 | 715 |
714 } // end of namespace Ice | 716 } // end of namespace Ice |
715 | 717 |
716 #endif // SUBZERO_SRC_ICETARGETLOWERINGARM32_H | 718 #endif // SUBZERO_SRC_ICETARGETLOWERINGARM32_H |
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