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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 |
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152 Operand *loOperand(Operand *Operand); | 152 Operand *loOperand(Operand *Operand); |
153 Operand *hiOperand(Operand *Operand); | 153 Operand *hiOperand(Operand *Operand); |
154 void finishArgumentLowering(Variable *Arg, Variable *FramePtr, | 154 void finishArgumentLowering(Variable *Arg, Variable *FramePtr, |
155 size_t BasicFrameOffset, size_t &InArgsSizeBytes); | 155 size_t BasicFrameOffset, size_t &InArgsSizeBytes); |
156 typename Traits::Address | 156 typename Traits::Address |
157 stackVarToAsmOperand(const Variable *Var) const final; | 157 stackVarToAsmOperand(const Variable *Var) const final; |
158 | 158 |
159 typename Traits::InstructionSet getInstructionSet() const final { | 159 typename Traits::InstructionSet getInstructionSet() const final { |
160 return InstructionSet; | 160 return InstructionSet; |
161 } | 161 } |
| 162 Operand *legalizeUndef(Operand *From, int32_t RegNum = Variable::NoRegister); |
162 | 163 |
163 protected: | 164 protected: |
164 explicit TargetX86Base(Cfg *Func); | 165 explicit TargetX86Base(Cfg *Func); |
165 | 166 |
166 void postLower() override; | 167 void postLower() override; |
167 | 168 |
168 void lowerAlloca(const InstAlloca *Inst) override; | 169 void lowerAlloca(const InstAlloca *Inst) override; |
169 void lowerArithmetic(const InstArithmetic *Inst) override; | 170 void lowerArithmetic(const InstArithmetic *Inst) override; |
170 void lowerAssign(const InstAssign *Inst) override; | 171 void lowerAssign(const InstAssign *Inst) override; |
171 void lowerBr(const InstBr *Inst) override; | 172 void lowerBr(const InstBr *Inst) override; |
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223 Legal_None = 0, | 224 Legal_None = 0, |
224 Legal_Reg = 1 << 0, // physical register, not stack location | 225 Legal_Reg = 1 << 0, // physical register, not stack location |
225 Legal_Imm = 1 << 1, | 226 Legal_Imm = 1 << 1, |
226 Legal_Mem = 1 << 2, // includes [eax+4*ecx] as well as [esp+12] | 227 Legal_Mem = 1 << 2, // includes [eax+4*ecx] as well as [esp+12] |
227 Legal_All = ~Legal_None | 228 Legal_All = ~Legal_None |
228 }; | 229 }; |
229 typedef uint32_t LegalMask; | 230 typedef uint32_t LegalMask; |
230 Operand *legalize(Operand *From, LegalMask Allowed = Legal_All, | 231 Operand *legalize(Operand *From, LegalMask Allowed = Legal_All, |
231 int32_t RegNum = Variable::NoRegister); | 232 int32_t RegNum = Variable::NoRegister); |
232 Variable *legalizeToVar(Operand *From, int32_t RegNum = Variable::NoRegister); | 233 Variable *legalizeToVar(Operand *From, int32_t RegNum = Variable::NoRegister); |
233 Operand *legalizeUndef(Operand *From, int32_t RegNum = Variable::NoRegister); | |
234 /// Legalize the first source operand for use in the cmp instruction. | 234 /// Legalize the first source operand for use in the cmp instruction. |
235 Operand *legalizeSrc0ForCmp(Operand *Src0, Operand *Src1); | 235 Operand *legalizeSrc0ForCmp(Operand *Src0, Operand *Src1); |
236 /// Turn a pointer operand into a memory operand that can be | 236 /// Turn a pointer operand into a memory operand that can be |
237 /// used by a real load/store operation. Legalizes the operand as well. | 237 /// used by a real load/store operation. Legalizes the operand as well. |
238 /// This is a nop if the operand is already a legal memory operand. | 238 /// This is a nop if the operand is already a legal memory operand. |
239 typename Traits::X86OperandMem *formMemoryOperand(Operand *Ptr, Type Ty, | 239 typename Traits::X86OperandMem *formMemoryOperand(Operand *Ptr, Type Ty, |
240 bool DoLegalize = true); | 240 bool DoLegalize = true); |
241 | 241 |
242 Variable *makeReg(Type Ty, int32_t RegNum = Variable::NoRegister); | 242 Variable *makeReg(Type Ty, int32_t RegNum = Variable::NoRegister); |
243 static Type stackSlotType(); | 243 static Type stackSlotType(); |
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614 private: | 614 private: |
615 ~TargetX86Base() override {} | 615 ~TargetX86Base() override {} |
616 BoolFolding FoldingInfo; | 616 BoolFolding FoldingInfo; |
617 }; | 617 }; |
618 } // end of namespace X86Internal | 618 } // end of namespace X86Internal |
619 } // end of namespace Ice | 619 } // end of namespace Ice |
620 | 620 |
621 #include "IceTargetLoweringX86BaseImpl.h" | 621 #include "IceTargetLoweringX86BaseImpl.h" |
622 | 622 |
623 #endif // SUBZERO_SRC_ICETARGETLOWERINGX86BASE_H | 623 #endif // SUBZERO_SRC_ICETARGETLOWERINGX86BASE_H |
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