OLD | NEW |
1 //===- subzero/src/IceTargetLoweringX86Base.h - x86 lowering ----*- C++ -*-===// | 1 //===- subzero/src/IceTargetLoweringX86Base.h - x86 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 |
(...skipping 71 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
82 } | 82 } |
83 | 83 |
84 const llvm::SmallBitVector &getAliasesForRegister(SizeT Reg) const override { | 84 const llvm::SmallBitVector &getAliasesForRegister(SizeT Reg) const override { |
85 assert(Reg < Traits::RegisterSet::Reg_NUM); | 85 assert(Reg < Traits::RegisterSet::Reg_NUM); |
86 return RegisterAliases[Reg]; | 86 return RegisterAliases[Reg]; |
87 } | 87 } |
88 | 88 |
89 bool hasFramePointer() const override { return IsEbpBasedFrame; } | 89 bool hasFramePointer() const override { return IsEbpBasedFrame; } |
90 void setHasFramePointer() override { IsEbpBasedFrame = true; } | 90 void setHasFramePointer() override { IsEbpBasedFrame = true; } |
91 SizeT getStackReg() const override { return Traits::RegisterSet::Reg_esp; } | 91 SizeT getStackReg() const override { return Traits::RegisterSet::Reg_esp; } |
| 92 SizeT getFrameReg() const override { return Traits::RegisterSet::Reg_ebp; } |
92 SizeT getFrameOrStackReg() const override { | 93 SizeT getFrameOrStackReg() const override { |
93 return IsEbpBasedFrame ? Traits::RegisterSet::Reg_ebp | 94 return IsEbpBasedFrame ? getFrameReg() : getStackReg(); |
94 : Traits::RegisterSet::Reg_esp; | |
95 } | 95 } |
96 size_t typeWidthInBytesOnStack(Type Ty) const override { | 96 size_t typeWidthInBytesOnStack(Type Ty) const override { |
97 // Round up to the next multiple of WordType bytes. | 97 // Round up to the next multiple of WordType bytes. |
98 const uint32_t WordSizeInBytes = typeWidthInBytes(Traits::WordType); | 98 const uint32_t WordSizeInBytes = typeWidthInBytes(Traits::WordType); |
99 return Utils::applyAlignment(typeWidthInBytes(Ty), WordSizeInBytes); | 99 return Utils::applyAlignment(typeWidthInBytes(Ty), WordSizeInBytes); |
100 } | 100 } |
101 uint32_t getStackAlignment() const override { | 101 uint32_t getStackAlignment() const override { |
102 return Traits::X86_STACK_ALIGNMENT_BYTES; | 102 return Traits::X86_STACK_ALIGNMENT_BYTES; |
103 } | 103 } |
| 104 void reserveFixedAllocaArea(size_t Size, size_t Align) override { |
| 105 FixedAllocaSizeBytes = Size; |
| 106 assert(llvm::isPowerOf2_32(Align)); |
| 107 FixedAllocaAlignBytes = Align; |
| 108 PrologEmitsFixedAllocas = true; |
| 109 } |
| 110 /// Returns the (negative) offset from ebp/rbp where the fixed Allocas start. |
| 111 int32_t getFrameFixedAllocaOffset() const override { |
| 112 return FixedAllocaSizeBytes - SpillAreaSizeBytes; |
| 113 } |
104 | 114 |
105 bool shouldSplitToVariable64On32(Type Ty) const override { | 115 bool shouldSplitToVariable64On32(Type Ty) const override { |
106 return Traits::Is64Bit ? false : Ty == IceType_i64; | 116 return Traits::Is64Bit ? false : Ty == IceType_i64; |
107 } | 117 } |
108 | 118 |
109 SizeT getMinJumpTableSize() const override { return 4; } | 119 SizeT getMinJumpTableSize() const override { return 4; } |
110 | 120 |
111 void emitVariable(const Variable *Var) const override; | 121 void emitVariable(const Variable *Var) const override; |
112 | 122 |
113 const char *getConstantPrefix() const final { return "$"; } | 123 const char *getConstantPrefix() const final { return "$"; } |
(...skipping 570 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
684 | 694 |
685 bool optimizeScalarMul(Variable *Dest, Operand *Src0, int32_t Src1); | 695 bool optimizeScalarMul(Variable *Dest, Operand *Src0, int32_t Src1); |
686 void findRMW(); | 696 void findRMW(); |
687 | 697 |
688 typename Traits::InstructionSet InstructionSet = | 698 typename Traits::InstructionSet InstructionSet = |
689 Traits::InstructionSet::Begin; | 699 Traits::InstructionSet::Begin; |
690 bool IsEbpBasedFrame = false; | 700 bool IsEbpBasedFrame = false; |
691 bool NeedsStackAlignment = false; | 701 bool NeedsStackAlignment = false; |
692 size_t SpillAreaSizeBytes = 0; | 702 size_t SpillAreaSizeBytes = 0; |
693 size_t FixedAllocaSizeBytes = 0; | 703 size_t FixedAllocaSizeBytes = 0; |
| 704 size_t FixedAllocaAlignBytes = 0; |
| 705 bool PrologEmitsFixedAllocas = false; |
694 static std::array<llvm::SmallBitVector, RCX86_NUM> TypeToRegisterSet; | 706 static std::array<llvm::SmallBitVector, RCX86_NUM> TypeToRegisterSet; |
695 static std::array<llvm::SmallBitVector, Traits::RegisterSet::Reg_NUM> | 707 static std::array<llvm::SmallBitVector, Traits::RegisterSet::Reg_NUM> |
696 RegisterAliases; | 708 RegisterAliases; |
697 static llvm::SmallBitVector ScratchRegs; | 709 static llvm::SmallBitVector ScratchRegs; |
698 llvm::SmallBitVector RegsUsed; | 710 llvm::SmallBitVector RegsUsed; |
699 std::array<VarList, IceType_NUM> PhysicalRegisters; | 711 std::array<VarList, IceType_NUM> PhysicalRegisters; |
700 | 712 |
701 /// Randomize a given immediate operand | 713 /// Randomize a given immediate operand |
702 Operand *randomizeOrPoolImmediate(Constant *Immediate, | 714 Operand *randomizeOrPoolImmediate(Constant *Immediate, |
703 int32_t RegNum = Variable::NoRegister); | 715 int32_t RegNum = Variable::NoRegister); |
(...skipping 55 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
759 lowerIcmp64(const InstIcmp *Icmp, const InstBr *Br); | 771 lowerIcmp64(const InstIcmp *Icmp, const InstBr *Br); |
760 | 772 |
761 BoolFolding FoldingInfo; | 773 BoolFolding FoldingInfo; |
762 }; | 774 }; |
763 } // end of namespace X86Internal | 775 } // end of namespace X86Internal |
764 } // end of namespace Ice | 776 } // end of namespace Ice |
765 | 777 |
766 #include "IceTargetLoweringX86BaseImpl.h" | 778 #include "IceTargetLoweringX86BaseImpl.h" |
767 | 779 |
768 #endif // SUBZERO_SRC_ICETARGETLOWERINGX86BASE_H | 780 #endif // SUBZERO_SRC_ICETARGETLOWERINGX86BASE_H |
OLD | NEW |