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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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42 IceString getRegName(SizeT RegNum, Type Ty) const override; | 42 IceString getRegName(SizeT RegNum, Type Ty) const override; |
43 llvm::SmallBitVector getRegisterSet(RegSetMask Include, | 43 llvm::SmallBitVector getRegisterSet(RegSetMask Include, |
44 RegSetMask Exclude) const override; | 44 RegSetMask Exclude) const override; |
45 const llvm::SmallBitVector &getRegisterSetForType(Type Ty) const override { | 45 const llvm::SmallBitVector &getRegisterSetForType(Type Ty) const override { |
46 return TypeToRegisterSet[Ty]; | 46 return TypeToRegisterSet[Ty]; |
47 } | 47 } |
48 const llvm::SmallBitVector &getAliasesForRegister(SizeT Reg) const override { | 48 const llvm::SmallBitVector &getAliasesForRegister(SizeT Reg) const override { |
49 return RegisterAliases[Reg]; | 49 return RegisterAliases[Reg]; |
50 } | 50 } |
51 bool hasFramePointer() const override { return UsesFramePointer; } | 51 bool hasFramePointer() const override { return UsesFramePointer; } |
| 52 void setHasFramePointer() override { UsesFramePointer = true; } |
52 SizeT getStackReg() const override { return RegMIPS32::Reg_SP; } | 53 SizeT getStackReg() const override { return RegMIPS32::Reg_SP; } |
53 SizeT getFrameOrStackReg() const override { | 54 SizeT getFrameOrStackReg() const override { |
54 return UsesFramePointer ? RegMIPS32::Reg_FP : RegMIPS32::Reg_SP; | 55 return UsesFramePointer ? RegMIPS32::Reg_FP : RegMIPS32::Reg_SP; |
55 } | 56 } |
56 size_t typeWidthInBytesOnStack(Type Ty) const override { | 57 size_t typeWidthInBytesOnStack(Type Ty) const override { |
57 // Round up to the next multiple of 4 bytes. In particular, i1, i8, and i16 | 58 // Round up to the next multiple of 4 bytes. In particular, i1, i8, and i16 |
58 // are rounded up to 4 bytes. | 59 // are rounded up to 4 bytes. |
59 return (typeWidthInBytes(Ty) + 3) & ~3; | 60 return (typeWidthInBytes(Ty) + 3) & ~3; |
60 } | 61 } |
| 62 uint32_t getStackAlignment() const override { |
| 63 // TODO(sehr): what is the stack alignment? |
| 64 return 1; |
| 65 } |
61 | 66 |
62 bool shouldSplitToVariable64On32(Type Ty) const override { | 67 bool shouldSplitToVariable64On32(Type Ty) const override { |
63 return Ty == IceType_i64; | 68 return Ty == IceType_i64; |
64 } | 69 } |
65 | 70 |
66 // TODO(ascull): what is the best size of MIPS? | 71 // TODO(ascull): what is the best size of MIPS? |
67 SizeT getMinJumpTableSize() const override { return 3; } | 72 SizeT getMinJumpTableSize() const override { return 3; } |
68 void emitJumpTable(const Cfg *Func, | 73 void emitJumpTable(const Cfg *Func, |
69 const InstJumpTable *JumpTable) const override; | 74 const InstJumpTable *JumpTable) const override; |
70 | 75 |
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274 protected: | 279 protected: |
275 explicit TargetHeaderMIPS32(GlobalContext *Ctx); | 280 explicit TargetHeaderMIPS32(GlobalContext *Ctx); |
276 | 281 |
277 private: | 282 private: |
278 ~TargetHeaderMIPS32() = default; | 283 ~TargetHeaderMIPS32() = default; |
279 }; | 284 }; |
280 | 285 |
281 } // end of namespace Ice | 286 } // end of namespace Ice |
282 | 287 |
283 #endif // SUBZERO_SRC_ICETARGETLOWERINGMIPS32_H | 288 #endif // SUBZERO_SRC_ICETARGETLOWERINGMIPS32_H |
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