| //===- subzero/src/IceInstX8632.h - Low-level x86 instructions --*- C++ -*-===// |
| // |
| // The Subzero Code Generator |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file declares the InstX8632 and OperandX8632 classes and |
| // their subclasses. This represents the machine instructions and |
| // operands used for x86-32 code selection. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef SUBZERO_SRC_ICEINSTX8632_H |
| #define SUBZERO_SRC_ICEINSTX8632_H |
| |
| #include "IceDefs.h" |
| #include "IceInst.h" |
| #include "IceInstX8632.def" |
| #include "IceOperand.h" |
| |
| namespace Ice { |
| |
| class TargetX8632; |
| |
| // OperandX8632 extends the Operand hierarchy. Its subclasses are |
| // OperandX8632Mem and VariableSplit. |
| class OperandX8632 : public Operand { |
| public: |
| enum OperandKindX8632 { |
| k__Start = Operand::kTarget, |
| kMem, |
| kSplit |
| }; |
| virtual void emit(const Cfg *Func) const = 0; |
| void dump(const Cfg *Func) const; |
| |
| protected: |
| OperandX8632(OperandKindX8632 Kind, Type Ty) |
| : Operand(static_cast<OperandKind>(Kind), Ty) {} |
| virtual ~OperandX8632() {} |
| |
| private: |
| OperandX8632(const OperandX8632 &) LLVM_DELETED_FUNCTION; |
| OperandX8632 &operator=(const OperandX8632 &) LLVM_DELETED_FUNCTION; |
| }; |
| |
| // OperandX8632Mem represents the m32 addressing mode, with optional |
| // base and index registers, a constant offset, and a fixed shift |
| // value for the index register. |
| class OperandX8632Mem : public OperandX8632 { |
| public: |
| enum SegmentRegisters { |
| DefaultSegment = -1, |
| #define X(val, name) val, |
| SEG_REGX8632_TABLE |
| #undef X |
| SegReg_NUM |
| }; |
| static OperandX8632Mem *create(Cfg *Func, Type Ty, Variable *Base, |
| Constant *Offset, Variable *Index = NULL, |
| uint16_t Shift = 0, |
| SegmentRegisters SegmentReg = DefaultSegment) { |
| return new (Func->allocate<OperandX8632Mem>()) |
| OperandX8632Mem(Func, Ty, Base, Offset, Index, Shift, SegmentReg); |
| } |
| Variable *getBase() const { return Base; } |
| Constant *getOffset() const { return Offset; } |
| Variable *getIndex() const { return Index; } |
| uint16_t getShift() const { return Shift; } |
| SegmentRegisters getSegmentRegister() const { return SegmentReg; } |
| virtual void emit(const Cfg *Func) const; |
| virtual void dump(const Cfg *Func) const; |
| |
| static bool classof(const Operand *Operand) { |
| return Operand->getKind() == static_cast<OperandKind>(kMem); |
| } |
| |
| private: |
| OperandX8632Mem(Cfg *Func, Type Ty, Variable *Base, Constant *Offset, |
| Variable *Index, uint16_t Shift, SegmentRegisters SegmentReg); |
| OperandX8632Mem(const OperandX8632Mem &) LLVM_DELETED_FUNCTION; |
| OperandX8632Mem &operator=(const OperandX8632Mem &) LLVM_DELETED_FUNCTION; |
| virtual ~OperandX8632Mem() {} |
| Variable *Base; |
| Constant *Offset; |
| Variable *Index; |
| uint16_t Shift; |
| SegmentRegisters SegmentReg : 16; |
| }; |
| |
| // VariableSplit is a way to treat an f64 memory location as a pair |
| // of i32 locations (Low and High). This is needed for some cases |
| // of the Bitcast instruction. Since it's not possible for integer |
| // registers to access the XMM registers and vice versa, the |
| // lowering forces the f64 to be spilled to the stack and then |
| // accesses through the VariableSplit. |
| class VariableSplit : public OperandX8632 { |
| public: |
| enum Portion { |
| Low, |
| High |
| }; |
| static VariableSplit *create(Cfg *Func, Variable *Var, Portion Part) { |
| return new (Func->allocate<VariableSplit>()) VariableSplit(Func, Var, Part); |
| } |
| virtual void emit(const Cfg *Func) const; |
| virtual void dump(const Cfg *Func) const; |
| |
| static bool classof(const Operand *Operand) { |
| return Operand->getKind() == static_cast<OperandKind>(kSplit); |
| } |
| |
| private: |
| VariableSplit(Cfg *Func, Variable *Var, Portion Part) |
| : OperandX8632(kSplit, IceType_i32), Func(Func), Var(Var), Part(Part) { |
| assert(Var->getType() == IceType_f64); |
| Vars = Func->allocateArrayOf<Variable *>(1); |
| Vars[0] = Var; |
| NumVars = 1; |
| } |
| VariableSplit(const VariableSplit &) LLVM_DELETED_FUNCTION; |
| VariableSplit &operator=(const VariableSplit &) LLVM_DELETED_FUNCTION; |
| virtual ~VariableSplit() { Func->deallocateArrayOf<Variable *>(Vars); } |
| Cfg *Func; // Held only for the destructor. |
| Variable *Var; |
| Portion Part; |
| }; |
| |
| class InstX8632 : public InstTarget { |
| public: |
| enum InstKindX8632 { |
| k__Start = Inst::Target, |
| Adc, |
| Add, |
| Addps, |
| Addss, |
| Adjuststack, |
| And, |
| Blendvps, |
| Br, |
| Bsf, |
| Bsr, |
| Bswap, |
| Call, |
| Cbwdq, |
| Cmov, |
| Cmpps, |
| Cmpxchg, |
| Cmpxchg8b, |
| Cvt, |
| Div, |
| Divps, |
| Divss, |
| Fld, |
| Fstp, |
| Icmp, |
| Idiv, |
| Imul, |
| Insertps, |
| Label, |
| Lea, |
| Load, |
| Mfence, |
| Mov, |
| Movd, |
| Movp, |
| Movq, |
| Movss, |
| Movsx, |
| Movzx, |
| Mul, |
| Mulps, |
| Mulss, |
| Neg, |
| Nop, |
| Or, |
| Padd, |
| Pand, |
| Pandn, |
| Pblendvb, |
| Pcmpeq, |
| Pcmpgt, |
| Pextr, |
| Pinsr, |
| Pmull, |
| Pmuludq, |
| Pop, |
| Por, |
| Pshufd, |
| Psll, |
| Psra, |
| Psub, |
| Push, |
| Pxor, |
| Ret, |
| Rol, |
| Sar, |
| Sbb, |
| Shl, |
| Shld, |
| Shr, |
| Shrd, |
| Shufps, |
| Sqrtss, |
| Store, |
| StoreP, |
| StoreQ, |
| Sub, |
| Subps, |
| Subss, |
| Test, |
| Ucomiss, |
| UD2, |
| Xadd, |
| Xchg, |
| Xor |
| }; |
| |
| enum BrCond { |
| #define X(tag, dump, emit) tag, |
| ICEINSTX8632BR_TABLE |
| #undef X |
| Br_None |
| }; |
| |
| static const char *getWidthString(Type Ty); |
| virtual void emit(const Cfg *Func) const = 0; |
| virtual void dump(const Cfg *Func) const; |
| |
| protected: |
| InstX8632(Cfg *Func, InstKindX8632 Kind, SizeT Maxsrcs, Variable *Dest) |
| : InstTarget(Func, static_cast<InstKind>(Kind), Maxsrcs, Dest) {} |
| virtual ~InstX8632() {} |
| static bool isClassof(const Inst *Inst, InstKindX8632 MyKind) { |
| return Inst->getKind() == static_cast<InstKind>(MyKind); |
| } |
| |
| private: |
| InstX8632(const InstX8632 &) LLVM_DELETED_FUNCTION; |
| InstX8632 &operator=(const InstX8632 &) LLVM_DELETED_FUNCTION; |
| }; |
| |
| // InstX8632Label represents an intra-block label that is the |
| // target of an intra-block branch. These are used for lowering i1 |
| // calculations, Select instructions, and 64-bit compares on a 32-bit |
| // architecture, without basic block splitting. Basic block splitting |
| // is not so desirable for several reasons, one of which is the impact |
| // on decisions based on whether a variable's live range spans |
| // multiple basic blocks. |
| // |
| // Intra-block control flow must be used with caution. Consider the |
| // sequence for "c = (a >= b ? x : y)". |
| // cmp a, b |
| // br lt, L1 |
| // mov c, x |
| // jmp L2 |
| // L1: |
| // mov c, y |
| // L2: |
| // |
| // Labels L1 and L2 are intra-block labels. Without knowledge of the |
| // intra-block control flow, liveness analysis will determine the "mov |
| // c, x" instruction to be dead. One way to prevent this is to insert |
| // a "FakeUse(c)" instruction anywhere between the two "mov c, ..." |
| // instructions, e.g.: |
| // |
| // cmp a, b |
| // br lt, L1 |
| // mov c, x |
| // jmp L2 |
| // FakeUse(c) |
| // L1: |
| // mov c, y |
| // L2: |
| // |
| // The down-side is that "mov c, x" can never be dead-code eliminated |
| // even if there are no uses of c. As unlikely as this situation is, |
| // it may be prevented by running dead code elimination before |
| // lowering. |
| class InstX8632Label : public InstX8632 { |
| public: |
| static InstX8632Label *create(Cfg *Func, TargetX8632 *Target) { |
| return new (Func->allocate<InstX8632Label>()) InstX8632Label(Func, Target); |
| } |
| IceString getName(const Cfg *Func) const; |
| virtual void emit(const Cfg *Func) const; |
| virtual void dump(const Cfg *Func) const; |
| |
| private: |
| InstX8632Label(Cfg *Func, TargetX8632 *Target); |
| InstX8632Label(const InstX8632Label &) LLVM_DELETED_FUNCTION; |
| InstX8632Label &operator=(const InstX8632Label &) LLVM_DELETED_FUNCTION; |
| virtual ~InstX8632Label() {} |
| SizeT Number; // used only for unique label string generation |
| }; |
| |
| // Conditional and unconditional branch instruction. |
| class InstX8632Br : public InstX8632 { |
| public: |
| // Create a conditional branch to a node. |
| static InstX8632Br *create(Cfg *Func, CfgNode *TargetTrue, |
| CfgNode *TargetFalse, BrCond Condition) { |
| return new (Func->allocate<InstX8632Br>()) |
| InstX8632Br(Func, TargetTrue, TargetFalse, NULL, Condition); |
| } |
| // Create an unconditional branch to a node. |
| static InstX8632Br *create(Cfg *Func, CfgNode *Target) { |
| return new (Func->allocate<InstX8632Br>()) |
| InstX8632Br(Func, NULL, Target, NULL, Br_None); |
| } |
| // Create a non-terminator conditional branch to a node, with a |
| // fallthrough to the next instruction in the current node. This is |
| // used for switch lowering. |
| static InstX8632Br *create(Cfg *Func, CfgNode *Target, BrCond Condition) { |
| return new (Func->allocate<InstX8632Br>()) |
| InstX8632Br(Func, Target, NULL, NULL, Condition); |
| } |
| // Create a conditional intra-block branch (or unconditional, if |
| // Condition==None) to a label in the current block. |
| static InstX8632Br *create(Cfg *Func, InstX8632Label *Label, |
| BrCond Condition) { |
| return new (Func->allocate<InstX8632Br>()) |
| InstX8632Br(Func, NULL, NULL, Label, Condition); |
| } |
| CfgNode *getTargetTrue() const { return TargetTrue; } |
| CfgNode *getTargetFalse() const { return TargetFalse; } |
| virtual void emit(const Cfg *Func) const; |
| virtual void dump(const Cfg *Func) const; |
| static bool classof(const Inst *Inst) { return isClassof(Inst, Br); } |
| |
| private: |
| InstX8632Br(Cfg *Func, CfgNode *TargetTrue, CfgNode *TargetFalse, |
| InstX8632Label *Label, BrCond Condition); |
| InstX8632Br(const InstX8632Br &) LLVM_DELETED_FUNCTION; |
| InstX8632Br &operator=(const InstX8632Br &) LLVM_DELETED_FUNCTION; |
| virtual ~InstX8632Br() {} |
| BrCond Condition; |
| CfgNode *TargetTrue; |
| CfgNode *TargetFalse; |
| InstX8632Label *Label; // Intra-block branch target |
| }; |
| |
| // AdjustStack instruction - subtracts esp by the given amount and |
| // updates the stack offset during code emission. |
| class InstX8632AdjustStack : public InstX8632 { |
| public: |
| static InstX8632AdjustStack *create(Cfg *Func, SizeT Amount) { |
| return new (Func->allocate<InstX8632AdjustStack>()) |
| InstX8632AdjustStack(Func, Amount); |
| } |
| virtual void emit(const Cfg *Func) const; |
| virtual void dump(const Cfg *Func) const; |
| static bool classof(const Inst *Inst) { return isClassof(Inst, Adjuststack); } |
| |
| private: |
| InstX8632AdjustStack(Cfg *Func, SizeT Amount); |
| InstX8632AdjustStack(const InstX8632AdjustStack &) LLVM_DELETED_FUNCTION; |
| InstX8632AdjustStack &operator=(const InstX8632AdjustStack &) |
| LLVM_DELETED_FUNCTION; |
| SizeT Amount; |
| }; |
| |
| // Call instruction. Arguments should have already been pushed. |
| class InstX8632Call : public InstX8632 { |
| public: |
| static InstX8632Call *create(Cfg *Func, Variable *Dest, Operand *CallTarget) { |
| return new (Func->allocate<InstX8632Call>()) |
| InstX8632Call(Func, Dest, CallTarget); |
| } |
| Operand *getCallTarget() const { return getSrc(0); } |
| virtual void emit(const Cfg *Func) const; |
| virtual void dump(const Cfg *Func) const; |
| static bool classof(const Inst *Inst) { return isClassof(Inst, Call); } |
| |
| private: |
| InstX8632Call(Cfg *Func, Variable *Dest, Operand *CallTarget); |
| InstX8632Call(const InstX8632Call &) LLVM_DELETED_FUNCTION; |
| InstX8632Call &operator=(const InstX8632Call &) LLVM_DELETED_FUNCTION; |
| virtual ~InstX8632Call() {} |
| }; |
| |
| // Instructions of the form x := op(x). |
| template <InstX8632::InstKindX8632 K> |
| class InstX8632Inplaceop : public InstX8632 { |
| public: |
| static InstX8632Inplaceop *create(Cfg *Func, Operand *SrcDest) { |
| return new (Func->allocate<InstX8632Inplaceop>()) |
| InstX8632Inplaceop(Func, SrcDest); |
| } |
| virtual void emit(const Cfg *Func) const { |
| Ostream &Str = Func->getContext()->getStrEmit(); |
| assert(getSrcSize() == 1); |
| Str << "\t" << Opcode << "\t"; |
| getSrc(0)->emit(Func); |
| Str << "\n"; |
| } |
| virtual void dump(const Cfg *Func) const { |
| Ostream &Str = Func->getContext()->getStrDump(); |
| dumpDest(Func); |
| Str << " = " << Opcode << "." << getDest()->getType() << " "; |
| dumpSources(Func); |
| } |
| static bool classof(const Inst *Inst) { return isClassof(Inst, K); } |
| |
| private: |
| InstX8632Inplaceop(Cfg *Func, Operand *SrcDest) |
| : InstX8632(Func, K, 1, llvm::dyn_cast<Variable>(SrcDest)) { |
| addSource(SrcDest); |
| } |
| InstX8632Inplaceop(const InstX8632Inplaceop &) LLVM_DELETED_FUNCTION; |
| InstX8632Inplaceop & |
| operator=(const InstX8632Inplaceop &) LLVM_DELETED_FUNCTION; |
| virtual ~InstX8632Inplaceop() {} |
| static const char *Opcode; |
| }; |
| |
| // Instructions of the form x := op(y) |
| template <InstX8632::InstKindX8632 K> |
| class InstX8632Unaryop : public InstX8632 { |
| public: |
| static InstX8632Unaryop *create(Cfg *Func, Variable *Dest, Operand *Src) { |
| return new (Func->allocate<InstX8632Unaryop>()) |
| InstX8632Unaryop(Func, Dest, Src); |
| } |
| virtual void emit(const Cfg *Func) const { |
| Ostream &Str = Func->getContext()->getStrEmit(); |
| assert(getSrcSize() == 1); |
| Str << "\t" << Opcode << "\t"; |
| getDest()->emit(Func); |
| Str << ", "; |
| getSrc(0)->emit(Func); |
| Str << "\n"; |
| } |
| virtual void dump(const Cfg *Func) const { |
| Ostream &Str = Func->getContext()->getStrDump(); |
| dumpDest(Func); |
| Str << " = " << Opcode << "." << getDest()->getType() << " "; |
| dumpSources(Func); |
| } |
| static bool classof(const Inst *Inst) { return isClassof(Inst, K); } |
| |
| private: |
| InstX8632Unaryop(Cfg *Func, Variable *Dest, Operand *Src) |
| : InstX8632(Func, K, 1, Dest) { |
| addSource(Src); |
| } |
| InstX8632Unaryop(const InstX8632Unaryop &) LLVM_DELETED_FUNCTION; |
| InstX8632Unaryop &operator=(const InstX8632Unaryop &) LLVM_DELETED_FUNCTION; |
| virtual ~InstX8632Unaryop() {} |
| static const char *Opcode; |
| }; |
| |
| // See the definition of emitTwoAddress() for a description of |
| // ShiftHack. |
| void emitTwoAddress(const char *Opcode, const Inst *Inst, const Cfg *Func, |
| bool ShiftHack = false); |
| |
| template <InstX8632::InstKindX8632 K, bool ShiftHack = false> |
| class InstX8632Binop : public InstX8632 { |
| public: |
| // Create an ordinary binary-op instruction like add or sub. |
| static InstX8632Binop *create(Cfg *Func, Variable *Dest, Operand *Source) { |
| return new (Func->allocate<InstX8632Binop>()) |
| InstX8632Binop(Func, Dest, Source); |
| } |
| virtual void emit(const Cfg *Func) const { |
| emitTwoAddress(Opcode, this, Func, ShiftHack); |
| } |
| virtual void dump(const Cfg *Func) const { |
| Ostream &Str = Func->getContext()->getStrDump(); |
| dumpDest(Func); |
| Str << " = " << Opcode << "." << getDest()->getType() << " "; |
| dumpSources(Func); |
| } |
| static bool classof(const Inst *Inst) { return isClassof(Inst, K); } |
| |
| private: |
| InstX8632Binop(Cfg *Func, Variable *Dest, Operand *Source) |
| : InstX8632(Func, K, 2, Dest) { |
| addSource(Dest); |
| addSource(Source); |
| } |
| InstX8632Binop(const InstX8632Binop &) LLVM_DELETED_FUNCTION; |
| InstX8632Binop &operator=(const InstX8632Binop &) LLVM_DELETED_FUNCTION; |
| virtual ~InstX8632Binop() {} |
| static const char *Opcode; |
| }; |
| |
| template <InstX8632::InstKindX8632 K> class InstX8632Ternop : public InstX8632 { |
| public: |
| // Create a ternary-op instruction like div or idiv. |
| static InstX8632Ternop *create(Cfg *Func, Variable *Dest, Operand *Source1, |
| Operand *Source2) { |
| return new (Func->allocate<InstX8632Ternop>()) |
| InstX8632Ternop(Func, Dest, Source1, Source2); |
| } |
| virtual void emit(const Cfg *Func) const { |
| Ostream &Str = Func->getContext()->getStrEmit(); |
| assert(getSrcSize() == 3); |
| Str << "\t" << Opcode << "\t"; |
| getDest()->emit(Func); |
| Str << ", "; |
| getSrc(1)->emit(Func); |
| Str << ", "; |
| getSrc(2)->emit(Func); |
| Str << "\n"; |
| } |
| virtual void dump(const Cfg *Func) const { |
| Ostream &Str = Func->getContext()->getStrDump(); |
| dumpDest(Func); |
| Str << " = " << Opcode << "." << getDest()->getType() << " "; |
| dumpSources(Func); |
| } |
| static bool classof(const Inst *Inst) { return isClassof(Inst, K); } |
| |
| private: |
| InstX8632Ternop(Cfg *Func, Variable *Dest, Operand *Source1, Operand *Source2) |
| : InstX8632(Func, K, 3, Dest) { |
| addSource(Dest); |
| addSource(Source1); |
| addSource(Source2); |
| } |
| InstX8632Ternop(const InstX8632Ternop &) LLVM_DELETED_FUNCTION; |
| InstX8632Ternop &operator=(const InstX8632Ternop &) LLVM_DELETED_FUNCTION; |
| virtual ~InstX8632Ternop() {} |
| static const char *Opcode; |
| }; |
| |
| // Instructions of the form x := y op z |
| template <InstX8632::InstKindX8632 K> |
| class InstX8632ThreeAddressop : public InstX8632 { |
| public: |
| static InstX8632ThreeAddressop *create(Cfg *Func, Variable *Dest, |
| Operand *Source0, Operand *Source1) { |
| return new (Func->allocate<InstX8632ThreeAddressop>()) |
| InstX8632ThreeAddressop(Func, Dest, Source0, Source1); |
| } |
| virtual void emit(const Cfg *Func) const { |
| Ostream &Str = Func->getContext()->getStrEmit(); |
| assert(getSrcSize() == 2); |
| Str << "\t" << Opcode << "\t"; |
| getDest()->emit(Func); |
| Str << ", "; |
| getSrc(0)->emit(Func); |
| Str << ", "; |
| getSrc(1)->emit(Func); |
| Str << "\n"; |
| } |
| virtual void dump(const Cfg *Func) const { |
| Ostream &Str = Func->getContext()->getStrDump(); |
| dumpDest(Func); |
| Str << " = " << Opcode << "." << getDest()->getType() << " "; |
| dumpSources(Func); |
| } |
| static bool classof(const Inst *Inst) { return isClassof(Inst, K); } |
| |
| private: |
| InstX8632ThreeAddressop(Cfg *Func, Variable *Dest, Operand *Source0, |
| Operand *Source1) |
| : InstX8632(Func, K, 2, Dest) { |
| addSource(Source0); |
| addSource(Source1); |
| } |
| InstX8632ThreeAddressop(const InstX8632ThreeAddressop &) |
| LLVM_DELETED_FUNCTION; |
| InstX8632ThreeAddressop & |
| operator=(const InstX8632ThreeAddressop &) LLVM_DELETED_FUNCTION; |
| virtual ~InstX8632ThreeAddressop() {} |
| static const char *Opcode; |
| }; |
| |
| bool checkForRedundantAssign(const Variable *Dest, const Operand *Source); |
| |
| // Base class for assignment instructions |
| template <InstX8632::InstKindX8632 K> |
| class InstX8632Movlike : public InstX8632 { |
| public: |
| static InstX8632Movlike *create(Cfg *Func, Variable *Dest, Operand *Source) { |
| return new (Func->allocate<InstX8632Movlike>()) |
| InstX8632Movlike(Func, Dest, Source); |
| } |
| virtual bool isRedundantAssign() const { |
| return checkForRedundantAssign(getDest(), getSrc(0)); |
| } |
| virtual void emit(const Cfg *Func) const; |
| virtual void dump(const Cfg *Func) const { |
| Ostream &Str = Func->getContext()->getStrDump(); |
| Str << Opcode << "." << getDest()->getType() << " "; |
| dumpDest(Func); |
| Str << ", "; |
| dumpSources(Func); |
| } |
| static bool classof(const Inst *Inst) { return isClassof(Inst, K); } |
| |
| private: |
| InstX8632Movlike(Cfg *Func, Variable *Dest, Operand *Source) |
| : InstX8632(Func, K, 1, Dest) { |
| addSource(Source); |
| } |
| InstX8632Movlike(const InstX8632Movlike &) LLVM_DELETED_FUNCTION; |
| InstX8632Movlike &operator=(const InstX8632Movlike &) LLVM_DELETED_FUNCTION; |
| virtual ~InstX8632Movlike() {} |
| |
| static const char *Opcode; |
| }; |
| |
| typedef InstX8632Inplaceop<InstX8632::Bswap> InstX8632Bswap; |
| typedef InstX8632Inplaceop<InstX8632::Neg> InstX8632Neg; |
| typedef InstX8632Unaryop<InstX8632::Bsf> InstX8632Bsf; |
| typedef InstX8632Unaryop<InstX8632::Bsr> InstX8632Bsr; |
| typedef InstX8632Unaryop<InstX8632::Lea> InstX8632Lea; |
| typedef InstX8632Unaryop<InstX8632::Movd> InstX8632Movd; |
| typedef InstX8632Unaryop<InstX8632::Sqrtss> InstX8632Sqrtss; |
| // Cbwdq instruction - wrapper for cbw, cwd, and cdq |
| typedef InstX8632Unaryop<InstX8632::Cbwdq> InstX8632Cbwdq; |
| // Move/assignment instruction - wrapper for mov/movss/movsd. |
| typedef InstX8632Movlike<InstX8632::Mov> InstX8632Mov; |
| // Move packed - copy 128 bit values between XMM registers, or mem128 |
| // and XMM registers. |
| typedef InstX8632Movlike<InstX8632::Movp> InstX8632Movp; |
| // Movq - copy between XMM registers, or mem64 and XMM registers. |
| typedef InstX8632Movlike<InstX8632::Movq> InstX8632Movq; |
| typedef InstX8632Binop<InstX8632::Add> InstX8632Add; |
| typedef InstX8632Binop<InstX8632::Addps> InstX8632Addps; |
| typedef InstX8632Binop<InstX8632::Adc> InstX8632Adc; |
| typedef InstX8632Binop<InstX8632::Addss> InstX8632Addss; |
| typedef InstX8632Binop<InstX8632::Padd> InstX8632Padd; |
| typedef InstX8632Binop<InstX8632::Sub> InstX8632Sub; |
| typedef InstX8632Binop<InstX8632::Subps> InstX8632Subps; |
| typedef InstX8632Binop<InstX8632::Subss> InstX8632Subss; |
| typedef InstX8632Binop<InstX8632::Sbb> InstX8632Sbb; |
| typedef InstX8632Binop<InstX8632::Psub> InstX8632Psub; |
| typedef InstX8632Binop<InstX8632::And> InstX8632And; |
| typedef InstX8632Binop<InstX8632::Pand> InstX8632Pand; |
| typedef InstX8632Binop<InstX8632::Pandn> InstX8632Pandn; |
| typedef InstX8632Binop<InstX8632::Or> InstX8632Or; |
| typedef InstX8632Binop<InstX8632::Por> InstX8632Por; |
| typedef InstX8632Binop<InstX8632::Xor> InstX8632Xor; |
| typedef InstX8632Binop<InstX8632::Pxor> InstX8632Pxor; |
| typedef InstX8632Binop<InstX8632::Imul> InstX8632Imul; |
| typedef InstX8632Binop<InstX8632::Mulps> InstX8632Mulps; |
| typedef InstX8632Binop<InstX8632::Mulss> InstX8632Mulss; |
| typedef InstX8632Binop<InstX8632::Pmull> InstX8632Pmull; |
| typedef InstX8632Binop<InstX8632::Pmuludq> InstX8632Pmuludq; |
| typedef InstX8632Binop<InstX8632::Divps> InstX8632Divps; |
| typedef InstX8632Binop<InstX8632::Divss> InstX8632Divss; |
| typedef InstX8632Binop<InstX8632::Rol, true> InstX8632Rol; |
| typedef InstX8632Binop<InstX8632::Shl, true> InstX8632Shl; |
| typedef InstX8632Binop<InstX8632::Psll> InstX8632Psll; |
| typedef InstX8632Binop<InstX8632::Shr, true> InstX8632Shr; |
| typedef InstX8632Binop<InstX8632::Sar, true> InstX8632Sar; |
| typedef InstX8632Binop<InstX8632::Psra> InstX8632Psra; |
| typedef InstX8632Binop<InstX8632::Pcmpeq> InstX8632Pcmpeq; |
| typedef InstX8632Binop<InstX8632::Pcmpgt> InstX8632Pcmpgt; |
| // TODO: movss is only a binary operation when the source and dest |
| // operands are both registers. In other cases, it behaves like a copy |
| // (mov-like) operation. Eventually, InstX8632Movss should assert that |
| // both its source and dest operands are registers, and the lowering |
| // code should use _mov instead of _movss in cases where a copy |
| // operation is intended. |
| typedef InstX8632Binop<InstX8632::Movss> InstX8632Movss; |
| typedef InstX8632Ternop<InstX8632::Idiv> InstX8632Idiv; |
| typedef InstX8632Ternop<InstX8632::Div> InstX8632Div; |
| typedef InstX8632Ternop<InstX8632::Insertps> InstX8632Insertps; |
| typedef InstX8632Ternop<InstX8632::Pinsr> InstX8632Pinsr; |
| typedef InstX8632Ternop<InstX8632::Shufps> InstX8632Shufps; |
| typedef InstX8632Ternop<InstX8632::Blendvps> InstX8632Blendvps; |
| typedef InstX8632Ternop<InstX8632::Pblendvb> InstX8632Pblendvb; |
| typedef InstX8632ThreeAddressop<InstX8632::Pextr> InstX8632Pextr; |
| typedef InstX8632ThreeAddressop<InstX8632::Pshufd> InstX8632Pshufd; |
| |
| // Base class for a lockable x86-32 instruction (emits a locked prefix). |
| class InstX8632Lockable : public InstX8632 { |
| public: |
| virtual void emit(const Cfg *Func) const = 0; |
| virtual void dump(const Cfg *Func) const; |
| |
| protected: |
| bool Locked; |
| |
| InstX8632Lockable(Cfg *Func, InstKindX8632 Kind, SizeT Maxsrcs, |
| Variable *Dest, bool Locked) |
| : InstX8632(Func, Kind, Maxsrcs, Dest), Locked(Locked) { |
| // Assume that such instructions are used for Atomics and be careful |
| // with optimizations. |
| HasSideEffects = Locked; |
| } |
| virtual ~InstX8632Lockable() {} |
| |
| private: |
| InstX8632Lockable(const InstX8632Lockable &) LLVM_DELETED_FUNCTION; |
| InstX8632Lockable &operator=(const InstX8632Lockable &) LLVM_DELETED_FUNCTION; |
| }; |
| |
| // Mul instruction - unsigned multiply. |
| class InstX8632Mul : public InstX8632 { |
| public: |
| static InstX8632Mul *create(Cfg *Func, Variable *Dest, Variable *Source1, |
| Operand *Source2) { |
| return new (Func->allocate<InstX8632Mul>()) |
| InstX8632Mul(Func, Dest, Source1, Source2); |
| } |
| virtual void emit(const Cfg *Func) const; |
| virtual void dump(const Cfg *Func) const; |
| static bool classof(const Inst *Inst) { return isClassof(Inst, Mul); } |
| |
| private: |
| InstX8632Mul(Cfg *Func, Variable *Dest, Variable *Source1, Operand *Source2); |
| InstX8632Mul(const InstX8632Mul &) LLVM_DELETED_FUNCTION; |
| InstX8632Mul &operator=(const InstX8632Mul &) LLVM_DELETED_FUNCTION; |
| virtual ~InstX8632Mul() {} |
| }; |
| |
| // Shld instruction - shift across a pair of operands. TODO: Verify |
| // that the validator accepts the shld instruction. |
| class InstX8632Shld : public InstX8632 { |
| public: |
| static InstX8632Shld *create(Cfg *Func, Variable *Dest, Variable *Source1, |
| Variable *Source2) { |
| return new (Func->allocate<InstX8632Shld>()) |
| InstX8632Shld(Func, Dest, Source1, Source2); |
| } |
| virtual void emit(const Cfg *Func) const; |
| virtual void dump(const Cfg *Func) const; |
| static bool classof(const Inst *Inst) { return isClassof(Inst, Shld); } |
| |
| private: |
| InstX8632Shld(Cfg *Func, Variable *Dest, Variable *Source1, |
| Variable *Source2); |
| InstX8632Shld(const InstX8632Shld &) LLVM_DELETED_FUNCTION; |
| InstX8632Shld &operator=(const InstX8632Shld &) LLVM_DELETED_FUNCTION; |
| virtual ~InstX8632Shld() {} |
| }; |
| |
| // Shrd instruction - shift across a pair of operands. TODO: Verify |
| // that the validator accepts the shrd instruction. |
| class InstX8632Shrd : public InstX8632 { |
| public: |
| static InstX8632Shrd *create(Cfg *Func, Variable *Dest, Variable *Source1, |
| Variable *Source2) { |
| return new (Func->allocate<InstX8632Shrd>()) |
| InstX8632Shrd(Func, Dest, Source1, Source2); |
| } |
| virtual void emit(const Cfg *Func) const; |
| virtual void dump(const Cfg *Func) const; |
| static bool classof(const Inst *Inst) { return isClassof(Inst, Shrd); } |
| |
| private: |
| InstX8632Shrd(Cfg *Func, Variable *Dest, Variable *Source1, |
| Variable *Source2); |
| InstX8632Shrd(const InstX8632Shrd &) LLVM_DELETED_FUNCTION; |
| InstX8632Shrd &operator=(const InstX8632Shrd &) LLVM_DELETED_FUNCTION; |
| virtual ~InstX8632Shrd() {} |
| }; |
| |
| // Conditional move instruction. |
| class InstX8632Cmov : public InstX8632 { |
| public: |
| static InstX8632Cmov *create(Cfg *Func, Variable *Dest, Operand *Source, |
| BrCond Cond) { |
| return new (Func->allocate<InstX8632Cmov>()) |
| InstX8632Cmov(Func, Dest, Source, Cond); |
| } |
| virtual void emit(const Cfg *Func) const; |
| virtual void dump(const Cfg *Func) const; |
| static bool classof(const Inst *Inst) { return isClassof(Inst, Cmov); } |
| |
| private: |
| InstX8632Cmov(Cfg *Func, Variable *Dest, Operand *Source, BrCond Cond); |
| InstX8632Cmov(const InstX8632Cmov &) LLVM_DELETED_FUNCTION; |
| InstX8632Cmov &operator=(const InstX8632Cmov &) LLVM_DELETED_FUNCTION; |
| virtual ~InstX8632Cmov() {} |
| |
| BrCond Condition; |
| }; |
| |
| // Cmpps instruction - compare packed singled-precision floating point |
| // values |
| class InstX8632Cmpps : public InstX8632 { |
| public: |
| enum CmppsCond { |
| #define X(tag, emit) tag, |
| ICEINSTX8632CMPPS_TABLE |
| #undef X |
| Cmpps_Invalid |
| }; |
| |
| static InstX8632Cmpps *create(Cfg *Func, Variable *Dest, Operand *Source, |
| CmppsCond Condition) { |
| return new (Func->allocate<InstX8632Cmpps>()) |
| InstX8632Cmpps(Func, Dest, Source, Condition); |
| } |
| virtual void emit(const Cfg *Func) const; |
| virtual void dump(const Cfg *Func) const; |
| static bool classof(const Inst *Inst) { return isClassof(Inst, Cmpps); } |
| |
| private: |
| InstX8632Cmpps(Cfg *Func, Variable *Dest, Operand *Source, CmppsCond Cond); |
| InstX8632Cmpps(const InstX8632Cmpps &) LLVM_DELETED_FUNCTION; |
| InstX8632Cmpps &operator=(const InstX8632Cmpps &) LLVM_DELETED_FUNCTION; |
| virtual ~InstX8632Cmpps() {} |
| |
| CmppsCond Condition; |
| }; |
| |
| // Cmpxchg instruction - cmpxchg <dest>, <desired> will compare if <dest> |
| // equals eax. If so, the ZF is set and <desired> is stored in <dest>. |
| // If not, ZF is cleared and <dest> is copied to eax (or subregister). |
| // <dest> can be a register or memory, while <desired> must be a register. |
| // It is the user's responsiblity to mark eax with a FakeDef. |
| class InstX8632Cmpxchg : public InstX8632Lockable { |
| public: |
| static InstX8632Cmpxchg *create(Cfg *Func, Operand *DestOrAddr, Variable *Eax, |
| Variable *Desired, bool Locked) { |
| return new (Func->allocate<InstX8632Cmpxchg>()) |
| InstX8632Cmpxchg(Func, DestOrAddr, Eax, Desired, Locked); |
| } |
| virtual void emit(const Cfg *Func) const; |
| virtual void dump(const Cfg *Func) const; |
| static bool classof(const Inst *Inst) { return isClassof(Inst, Cmpxchg); } |
| |
| private: |
| InstX8632Cmpxchg(Cfg *Func, Operand *DestOrAddr, Variable *Eax, |
| Variable *Desired, bool Locked); |
| InstX8632Cmpxchg(const InstX8632Cmpxchg &) LLVM_DELETED_FUNCTION; |
| InstX8632Cmpxchg &operator=(const InstX8632Cmpxchg &) LLVM_DELETED_FUNCTION; |
| virtual ~InstX8632Cmpxchg() {} |
| }; |
| |
| // Cmpxchg8b instruction - cmpxchg8b <m64> will compare if <m64> |
| // equals edx:eax. If so, the ZF is set and ecx:ebx is stored in <m64>. |
| // If not, ZF is cleared and <m64> is copied to edx:eax. |
| // The caller is responsible for inserting FakeDefs to mark edx |
| // and eax as modified. |
| // <m64> must be a memory operand. |
| class InstX8632Cmpxchg8b : public InstX8632Lockable { |
| public: |
| static InstX8632Cmpxchg8b *create(Cfg *Func, OperandX8632 *Dest, |
| Variable *Edx, Variable *Eax, Variable *Ecx, |
| Variable *Ebx, bool Locked) { |
| return new (Func->allocate<InstX8632Cmpxchg8b>()) |
| InstX8632Cmpxchg8b(Func, Dest, Edx, Eax, Ecx, Ebx, Locked); |
| } |
| virtual void emit(const Cfg *Func) const; |
| virtual void dump(const Cfg *Func) const; |
| static bool classof(const Inst *Inst) { return isClassof(Inst, Cmpxchg8b); } |
| |
| private: |
| InstX8632Cmpxchg8b(Cfg *Func, OperandX8632 *Dest, Variable *Edx, |
| Variable *Eax, Variable *Ecx, Variable *Ebx, bool Locked); |
| InstX8632Cmpxchg8b(const InstX8632Cmpxchg8b &) LLVM_DELETED_FUNCTION; |
| InstX8632Cmpxchg8b & |
| operator=(const InstX8632Cmpxchg8b &) LLVM_DELETED_FUNCTION; |
| virtual ~InstX8632Cmpxchg8b() {} |
| }; |
| |
| // Cvt instruction - wrapper for cvtsX2sY where X and Y are in {s,d,i} |
| // as appropriate. s=float, d=double, i=int. X and Y are determined |
| // from dest/src types. Sign and zero extension on the integer |
| // operand needs to be done separately. |
| class InstX8632Cvt : public InstX8632 { |
| public: |
| static InstX8632Cvt *create(Cfg *Func, Variable *Dest, Operand *Source) { |
| return new (Func->allocate<InstX8632Cvt>()) |
| InstX8632Cvt(Func, Dest, Source); |
| } |
| virtual void emit(const Cfg *Func) const; |
| virtual void dump(const Cfg *Func) const; |
| static bool classof(const Inst *Inst) { return isClassof(Inst, Cvt); } |
| |
| private: |
| InstX8632Cvt(Cfg *Func, Variable *Dest, Operand *Source); |
| InstX8632Cvt(const InstX8632Cvt &) LLVM_DELETED_FUNCTION; |
| InstX8632Cvt &operator=(const InstX8632Cvt &) LLVM_DELETED_FUNCTION; |
| virtual ~InstX8632Cvt() {} |
| }; |
| |
| // cmp - Integer compare instruction. |
| class InstX8632Icmp : public InstX8632 { |
| public: |
| static InstX8632Icmp *create(Cfg *Func, Operand *Src1, Operand *Src2) { |
| return new (Func->allocate<InstX8632Icmp>()) |
| InstX8632Icmp(Func, Src1, Src2); |
| } |
| virtual void emit(const Cfg *Func) const; |
| virtual void dump(const Cfg *Func) const; |
| static bool classof(const Inst *Inst) { return isClassof(Inst, Icmp); } |
| |
| private: |
| InstX8632Icmp(Cfg *Func, Operand *Src1, Operand *Src2); |
| InstX8632Icmp(const InstX8632Icmp &) LLVM_DELETED_FUNCTION; |
| InstX8632Icmp &operator=(const InstX8632Icmp &) LLVM_DELETED_FUNCTION; |
| virtual ~InstX8632Icmp() {} |
| }; |
| |
| // ucomiss/ucomisd - floating-point compare instruction. |
| class InstX8632Ucomiss : public InstX8632 { |
| public: |
| static InstX8632Ucomiss *create(Cfg *Func, Operand *Src1, Operand *Src2) { |
| return new (Func->allocate<InstX8632Ucomiss>()) |
| InstX8632Ucomiss(Func, Src1, Src2); |
| } |
| virtual void emit(const Cfg *Func) const; |
| virtual void dump(const Cfg *Func) const; |
| static bool classof(const Inst *Inst) { return isClassof(Inst, Ucomiss); } |
| |
| private: |
| InstX8632Ucomiss(Cfg *Func, Operand *Src1, Operand *Src2); |
| InstX8632Ucomiss(const InstX8632Ucomiss &) LLVM_DELETED_FUNCTION; |
| InstX8632Ucomiss &operator=(const InstX8632Ucomiss &) LLVM_DELETED_FUNCTION; |
| virtual ~InstX8632Ucomiss() {} |
| }; |
| |
| // UD2 instruction. |
| class InstX8632UD2 : public InstX8632 { |
| public: |
| static InstX8632UD2 *create(Cfg *Func) { |
| return new (Func->allocate<InstX8632UD2>()) InstX8632UD2(Func); |
| } |
| virtual void emit(const Cfg *Func) const; |
| virtual void dump(const Cfg *Func) const; |
| static bool classof(const Inst *Inst) { return isClassof(Inst, UD2); } |
| |
| private: |
| InstX8632UD2(Cfg *Func); |
| InstX8632UD2(const InstX8632UD2 &) LLVM_DELETED_FUNCTION; |
| InstX8632UD2 &operator=(const InstX8632UD2 &) LLVM_DELETED_FUNCTION; |
| virtual ~InstX8632UD2() {} |
| }; |
| |
| // Test instruction. |
| class InstX8632Test : public InstX8632 { |
| public: |
| static InstX8632Test *create(Cfg *Func, Operand *Source1, Operand *Source2) { |
| return new (Func->allocate<InstX8632Test>()) |
| InstX8632Test(Func, Source1, Source2); |
| } |
| virtual void emit(const Cfg *Func) const; |
| virtual void dump(const Cfg *Func) const; |
| static bool classof(const Inst *Inst) { return isClassof(Inst, Test); } |
| |
| private: |
| InstX8632Test(Cfg *Func, Operand *Source1, Operand *Source2); |
| InstX8632Test(const InstX8632Test &) LLVM_DELETED_FUNCTION; |
| InstX8632Test &operator=(const InstX8632Test &) LLVM_DELETED_FUNCTION; |
| virtual ~InstX8632Test() {} |
| }; |
| |
| // Mfence instruction. |
| class InstX8632Mfence : public InstX8632 { |
| public: |
| static InstX8632Mfence *create(Cfg *Func) { |
| return new (Func->allocate<InstX8632Mfence>()) InstX8632Mfence(Func); |
| } |
| virtual void emit(const Cfg *Func) const; |
| virtual void dump(const Cfg *Func) const; |
| static bool classof(const Inst *Inst) { return isClassof(Inst, Mfence); } |
| |
| private: |
| InstX8632Mfence(Cfg *Func); |
| InstX8632Mfence(const InstX8632Mfence &) LLVM_DELETED_FUNCTION; |
| InstX8632Mfence &operator=(const InstX8632Mfence &) LLVM_DELETED_FUNCTION; |
| virtual ~InstX8632Mfence() {} |
| }; |
| |
| // This is essentially a "mov" instruction with an OperandX8632Mem |
| // operand instead of Variable as the destination. It's important |
| // for liveness that there is no Dest operand. |
| class InstX8632Store : public InstX8632 { |
| public: |
| static InstX8632Store *create(Cfg *Func, Operand *Value, OperandX8632 *Mem) { |
| return new (Func->allocate<InstX8632Store>()) |
| InstX8632Store(Func, Value, Mem); |
| } |
| virtual void emit(const Cfg *Func) const; |
| virtual void dump(const Cfg *Func) const; |
| static bool classof(const Inst *Inst) { return isClassof(Inst, Store); } |
| |
| private: |
| InstX8632Store(Cfg *Func, Operand *Value, OperandX8632 *Mem); |
| InstX8632Store(const InstX8632Store &) LLVM_DELETED_FUNCTION; |
| InstX8632Store &operator=(const InstX8632Store &) LLVM_DELETED_FUNCTION; |
| virtual ~InstX8632Store() {} |
| }; |
| |
| class InstX8632StoreP : public InstX8632 { |
| public: |
| static InstX8632StoreP *create(Cfg *Func, Operand *Value, OperandX8632 *Mem) { |
| return new (Func->allocate<InstX8632StoreP>()) |
| InstX8632StoreP(Func, Value, Mem); |
| } |
| virtual void emit(const Cfg *Func) const; |
| virtual void dump(const Cfg *Func) const; |
| static bool classof(const Inst *Inst) { return isClassof(Inst, StoreP); } |
| |
| private: |
| InstX8632StoreP(Cfg *Func, Operand *Value, OperandX8632 *Mem); |
| InstX8632StoreP(const InstX8632StoreP &) LLVM_DELETED_FUNCTION; |
| InstX8632StoreP &operator=(const InstX8632StoreP &) LLVM_DELETED_FUNCTION; |
| virtual ~InstX8632StoreP() {} |
| }; |
| |
| // This is essentially a "movq" instruction with an OperandX8632Mem |
| // operand instead of Variable as the destination. It's important |
| // for liveness that there is no Dest operand. |
| class InstX8632StoreQ : public InstX8632 { |
| public: |
| static InstX8632StoreQ *create(Cfg *Func, Operand *Value, OperandX8632 *Mem) { |
| return new (Func->allocate<InstX8632StoreQ>()) |
| InstX8632StoreQ(Func, Value, Mem); |
| } |
| virtual void emit(const Cfg *Func) const; |
| virtual void dump(const Cfg *Func) const; |
| static bool classof(const Inst *Inst) { return isClassof(Inst, StoreQ); } |
| |
| private: |
| InstX8632StoreQ(Cfg *Func, Operand *Value, OperandX8632 *Mem); |
| InstX8632StoreQ(const InstX8632StoreQ &) LLVM_DELETED_FUNCTION; |
| InstX8632StoreQ &operator=(const InstX8632StoreQ &) LLVM_DELETED_FUNCTION; |
| virtual ~InstX8632StoreQ() {} |
| }; |
| |
| // Movsx - copy from a narrower integer type to a wider integer |
| // type, with sign extension. |
| class InstX8632Movsx : public InstX8632 { |
| public: |
| static InstX8632Movsx *create(Cfg *Func, Variable *Dest, Operand *Source) { |
| return new (Func->allocate<InstX8632Movsx>()) |
| InstX8632Movsx(Func, Dest, Source); |
| } |
| virtual void emit(const Cfg *Func) const; |
| virtual void dump(const Cfg *Func) const; |
| static bool classof(const Inst *Inst) { return isClassof(Inst, Movsx); } |
| |
| private: |
| InstX8632Movsx(Cfg *Func, Variable *Dest, Operand *Source); |
| InstX8632Movsx(const InstX8632Movsx &) LLVM_DELETED_FUNCTION; |
| InstX8632Movsx &operator=(const InstX8632Movsx &) LLVM_DELETED_FUNCTION; |
| virtual ~InstX8632Movsx() {} |
| }; |
| |
| // Movsx - copy from a narrower integer type to a wider integer |
| // type, with zero extension. |
| class InstX8632Movzx : public InstX8632 { |
| public: |
| static InstX8632Movzx *create(Cfg *Func, Variable *Dest, Operand *Source) { |
| return new (Func->allocate<InstX8632Movzx>()) |
| InstX8632Movzx(Func, Dest, Source); |
| } |
| virtual void emit(const Cfg *Func) const; |
| virtual void dump(const Cfg *Func) const; |
| static bool classof(const Inst *Inst) { return isClassof(Inst, Movzx); } |
| |
| private: |
| InstX8632Movzx(Cfg *Func, Variable *Dest, Operand *Source); |
| InstX8632Movzx(const InstX8632Movzx &) LLVM_DELETED_FUNCTION; |
| InstX8632Movzx &operator=(const InstX8632Movzx &) LLVM_DELETED_FUNCTION; |
| virtual ~InstX8632Movzx() {} |
| }; |
| |
| // Nop instructions of varying length |
| class InstX8632Nop : public InstX8632 { |
| public: |
| // TODO: Replace with enum. |
| typedef unsigned NopVariant; |
| |
| static InstX8632Nop *create(Cfg *Func, NopVariant Variant) { |
| return new (Func->allocate<InstX8632Nop>()) InstX8632Nop(Func, Variant); |
| } |
| virtual void emit(const Cfg *Func) const; |
| virtual void dump(const Cfg *Func) const; |
| static bool classof(const Inst *Inst) { return isClassof(Inst, Nop); } |
| |
| private: |
| InstX8632Nop(Cfg *Func, SizeT Length); |
| InstX8632Nop(const InstX8632Nop &) LLVM_DELETED_FUNCTION; |
| InstX8632Nop &operator=(const InstX8632Nop &) LLVM_DELETED_FUNCTION; |
| virtual ~InstX8632Nop() {} |
| |
| NopVariant Variant; |
| }; |
| |
| // Fld - load a value onto the x87 FP stack. |
| class InstX8632Fld : public InstX8632 { |
| public: |
| static InstX8632Fld *create(Cfg *Func, Operand *Src) { |
| return new (Func->allocate<InstX8632Fld>()) InstX8632Fld(Func, Src); |
| } |
| virtual void emit(const Cfg *Func) const; |
| virtual void dump(const Cfg *Func) const; |
| static bool classof(const Inst *Inst) { return isClassof(Inst, Fld); } |
| |
| private: |
| InstX8632Fld(Cfg *Func, Operand *Src); |
| InstX8632Fld(const InstX8632Fld &) LLVM_DELETED_FUNCTION; |
| InstX8632Fld &operator=(const InstX8632Fld &) LLVM_DELETED_FUNCTION; |
| virtual ~InstX8632Fld() {} |
| }; |
| |
| // Fstp - store x87 st(0) into memory and pop st(0). |
| class InstX8632Fstp : public InstX8632 { |
| public: |
| static InstX8632Fstp *create(Cfg *Func, Variable *Dest) { |
| return new (Func->allocate<InstX8632Fstp>()) InstX8632Fstp(Func, Dest); |
| } |
| virtual void emit(const Cfg *Func) const; |
| virtual void dump(const Cfg *Func) const; |
| static bool classof(const Inst *Inst) { return isClassof(Inst, Fstp); } |
| |
| private: |
| InstX8632Fstp(Cfg *Func, Variable *Dest); |
| InstX8632Fstp(const InstX8632Fstp &) LLVM_DELETED_FUNCTION; |
| InstX8632Fstp &operator=(const InstX8632Fstp &) LLVM_DELETED_FUNCTION; |
| virtual ~InstX8632Fstp() {} |
| }; |
| |
| class InstX8632Pop : public InstX8632 { |
| public: |
| static InstX8632Pop *create(Cfg *Func, Variable *Dest) { |
| return new (Func->allocate<InstX8632Pop>()) InstX8632Pop(Func, Dest); |
| } |
| virtual void emit(const Cfg *Func) const; |
| virtual void dump(const Cfg *Func) const; |
| static bool classof(const Inst *Inst) { return isClassof(Inst, Pop); } |
| |
| private: |
| InstX8632Pop(Cfg *Func, Variable *Dest); |
| InstX8632Pop(const InstX8632Pop &) LLVM_DELETED_FUNCTION; |
| InstX8632Pop &operator=(const InstX8632Pop &) LLVM_DELETED_FUNCTION; |
| virtual ~InstX8632Pop() {} |
| }; |
| |
| class InstX8632Push : public InstX8632 { |
| public: |
| static InstX8632Push *create(Cfg *Func, Operand *Source, |
| bool SuppressStackAdjustment) { |
| return new (Func->allocate<InstX8632Push>()) |
| InstX8632Push(Func, Source, SuppressStackAdjustment); |
| } |
| virtual void emit(const Cfg *Func) const; |
| virtual void dump(const Cfg *Func) const; |
| static bool classof(const Inst *Inst) { return isClassof(Inst, Push); } |
| |
| private: |
| InstX8632Push(Cfg *Func, Operand *Source, bool SuppressStackAdjustment); |
| InstX8632Push(const InstX8632Push &) LLVM_DELETED_FUNCTION; |
| InstX8632Push &operator=(const InstX8632Push &) LLVM_DELETED_FUNCTION; |
| bool SuppressStackAdjustment; |
| virtual ~InstX8632Push() {} |
| }; |
| |
| // Ret instruction. Currently only supports the "ret" version that |
| // does not pop arguments. This instruction takes a Source operand |
| // (for non-void returning functions) for liveness analysis, though |
| // a FakeUse before the ret would do just as well. |
| class InstX8632Ret : public InstX8632 { |
| public: |
| static InstX8632Ret *create(Cfg *Func, Variable *Source = NULL) { |
| return new (Func->allocate<InstX8632Ret>()) InstX8632Ret(Func, Source); |
| } |
| virtual void emit(const Cfg *Func) const; |
| virtual void dump(const Cfg *Func) const; |
| static bool classof(const Inst *Inst) { return isClassof(Inst, Ret); } |
| |
| private: |
| InstX8632Ret(Cfg *Func, Variable *Source); |
| InstX8632Ret(const InstX8632Ret &) LLVM_DELETED_FUNCTION; |
| InstX8632Ret &operator=(const InstX8632Ret &) LLVM_DELETED_FUNCTION; |
| virtual ~InstX8632Ret() {} |
| }; |
| |
| // Exchanging Add instruction. Exchanges the first operand (destination |
| // operand) with the second operand (source operand), then loads the sum |
| // of the two values into the destination operand. The destination may be |
| // a register or memory, while the source must be a register. |
| // |
| // Both the dest and source are updated. The caller should then insert a |
| // FakeDef to reflect the second udpate. |
| class InstX8632Xadd : public InstX8632Lockable { |
| public: |
| static InstX8632Xadd *create(Cfg *Func, Operand *Dest, Variable *Source, |
| bool Locked) { |
| return new (Func->allocate<InstX8632Xadd>()) |
| InstX8632Xadd(Func, Dest, Source, Locked); |
| } |
| virtual void emit(const Cfg *Func) const; |
| virtual void dump(const Cfg *Func) const; |
| static bool classof(const Inst *Inst) { return isClassof(Inst, Xadd); } |
| |
| private: |
| InstX8632Xadd(Cfg *Func, Operand *Dest, Variable *Source, bool Locked); |
| InstX8632Xadd(const InstX8632Xadd &) LLVM_DELETED_FUNCTION; |
| InstX8632Xadd &operator=(const InstX8632Xadd &) LLVM_DELETED_FUNCTION; |
| virtual ~InstX8632Xadd() {} |
| }; |
| |
| // Exchange instruction. Exchanges the first operand (destination |
| // operand) with the second operand (source operand). At least one of |
| // the operands must be a register (and the other can be reg or mem). |
| // Both the Dest and Source are updated. If there is a memory operand, |
| // then the instruction is automatically "locked" without the need for |
| // a lock prefix. |
| class InstX8632Xchg : public InstX8632 { |
| public: |
| static InstX8632Xchg *create(Cfg *Func, Operand *Dest, Variable *Source) { |
| return new (Func->allocate<InstX8632Xchg>()) |
| InstX8632Xchg(Func, Dest, Source); |
| } |
| virtual void emit(const Cfg *Func) const; |
| virtual void dump(const Cfg *Func) const; |
| static bool classof(const Inst *Inst) { return isClassof(Inst, Xchg); } |
| |
| private: |
| InstX8632Xchg(Cfg *Func, Operand *Dest, Variable *Source); |
| InstX8632Xchg(const InstX8632Xchg &) LLVM_DELETED_FUNCTION; |
| InstX8632Xchg &operator=(const InstX8632Xchg &) LLVM_DELETED_FUNCTION; |
| virtual ~InstX8632Xchg() {} |
| }; |
| |
| // Declare partial template specializations of emit() methods that |
| // already have default implementations. Without this, there is the |
| // possibility of ODR violations and link errors. |
| template <> void InstX8632Addss::emit(const Cfg *Func) const; |
| template <> void InstX8632Blendvps::emit(const Cfg *Func) const; |
| template <> void InstX8632Cbwdq::emit(const Cfg *Func) const; |
| template <> void InstX8632Div::emit(const Cfg *Func) const; |
| template <> void InstX8632Divss::emit(const Cfg *Func) const; |
| template <> void InstX8632Idiv::emit(const Cfg *Func) const; |
| template <> void InstX8632Imul::emit(const Cfg *Func) const; |
| template <> void InstX8632Lea::emit(const Cfg *Func) const; |
| template <> void InstX8632Mulss::emit(const Cfg *Func) const; |
| template <> void InstX8632Padd::emit(const Cfg *Func) const; |
| template <> void InstX8632Pblendvb::emit(const Cfg *Func) const; |
| template <> void InstX8632Pcmpeq::emit(const Cfg *Func) const; |
| template <> void InstX8632Pcmpgt::emit(const Cfg *Func) const; |
| template <> void InstX8632Pextr::emit(const Cfg *Func) const; |
| template <> void InstX8632Pinsr::emit(const Cfg *Func) const; |
| template <> void InstX8632Pmull::emit(const Cfg *Func) const; |
| template <> void InstX8632Pmuludq::emit(const Cfg *Func) const; |
| template <> void InstX8632Psll::emit(const Cfg *Func) const; |
| template <> void InstX8632Psra::emit(const Cfg *Func) const; |
| template <> void InstX8632Psub::emit(const Cfg *Func) const; |
| template <> void InstX8632Sqrtss::emit(const Cfg *Func) const; |
| template <> void InstX8632Subss::emit(const Cfg *Func) const; |
| |
| } // end of namespace Ice |
| |
| #endif // SUBZERO_SRC_ICEINSTX8632_H |