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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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79 RegClass RC = Var->getRegClass(); | 79 RegClass RC = Var->getRegClass(); |
80 assert(RC < RC_Target); | 80 assert(RC < RC_Target); |
81 return TypeToRegisterSet[RC]; | 81 return TypeToRegisterSet[RC]; |
82 } | 82 } |
83 const llvm::SmallBitVector &getAliasesForRegister(SizeT Reg) const override { | 83 const llvm::SmallBitVector &getAliasesForRegister(SizeT Reg) const override { |
84 return RegisterAliases[Reg]; | 84 return RegisterAliases[Reg]; |
85 } | 85 } |
86 bool hasFramePointer() const override { return UsesFramePointer; } | 86 bool hasFramePointer() const override { return UsesFramePointer; } |
87 void setHasFramePointer() override { UsesFramePointer = true; } | 87 void setHasFramePointer() override { UsesFramePointer = true; } |
88 SizeT getStackReg() const override { return RegARM32::Reg_sp; } | 88 SizeT getStackReg() const override { return RegARM32::Reg_sp; } |
| 89 SizeT getFrameReg() const override { return RegARM32::Reg_fp; } |
89 SizeT getFrameOrStackReg() const override { | 90 SizeT getFrameOrStackReg() const override { |
90 return UsesFramePointer ? RegARM32::Reg_fp : RegARM32::Reg_sp; | 91 return UsesFramePointer ? getFrameReg() : getStackReg(); |
91 } | 92 } |
92 SizeT getReservedTmpReg() const { return RegARM32::Reg_ip; } | 93 SizeT getReservedTmpReg() const { return RegARM32::Reg_ip; } |
93 | 94 |
94 size_t typeWidthInBytesOnStack(Type Ty) const override { | 95 size_t typeWidthInBytesOnStack(Type Ty) const override { |
95 // Round up to the next multiple of 4 bytes. In particular, i1, i8, and i16 | 96 // Round up to the next multiple of 4 bytes. In particular, i1, i8, and i16 |
96 // are rounded up to 4 bytes. | 97 // are rounded up to 4 bytes. |
97 return (typeWidthInBytes(Ty) + 3) & ~3; | 98 return (typeWidthInBytes(Ty) + 3) & ~3; |
98 } | 99 } |
99 uint32_t getStackAlignment() const override; | 100 uint32_t getStackAlignment() const override; |
| 101 void reserveFixedAllocaArea(size_t Size, size_t Align) override { |
| 102 // TODO(sehr,jpp): Implement fixed stack layout. |
| 103 (void)Size; |
| 104 (void)Align; |
| 105 llvm::report_fatal_error("Not yet implemented"); |
| 106 } |
| 107 int32_t getFrameFixedAllocaOffset() const override { |
| 108 // TODO(sehr,jpp): Implement fixed stack layout. |
| 109 llvm::report_fatal_error("Not yet implemented"); |
| 110 return 0; |
| 111 } |
100 | 112 |
101 bool shouldSplitToVariable64On32(Type Ty) const override { | 113 bool shouldSplitToVariable64On32(Type Ty) const override { |
102 return Ty == IceType_i64; | 114 return Ty == IceType_i64; |
103 } | 115 } |
104 | 116 |
105 // TODO(ascull): what size is best for ARM? | 117 // TODO(ascull): what size is best for ARM? |
106 SizeT getMinJumpTableSize() const override { return 3; } | 118 SizeT getMinJumpTableSize() const override { return 3; } |
107 void emitJumpTable(const Cfg *Func, | 119 void emitJumpTable(const Cfg *Func, |
108 const InstJumpTable *JumpTable) const override; | 120 const InstJumpTable *JumpTable) const override; |
109 | 121 |
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932 | 944 |
933 private: | 945 private: |
934 ~TargetHeaderARM32() = default; | 946 ~TargetHeaderARM32() = default; |
935 | 947 |
936 TargetARM32Features CPUFeatures; | 948 TargetARM32Features CPUFeatures; |
937 }; | 949 }; |
938 | 950 |
939 } // end of namespace Ice | 951 } // end of namespace Ice |
940 | 952 |
941 #endif // SUBZERO_SRC_ICETARGETLOWERINGARM32_H | 953 #endif // SUBZERO_SRC_ICETARGETLOWERINGARM32_H |
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