namespace MipsISD {
enum NodeType {
// Start the numbering from where ISD NodeType finishes.
- FIRST_NUMBER = ISD::BUILTIN_OP_END+Mips::INSTRUCTION_LIST_END,
+ FIRST_NUMBER = ISD::BUILTIN_OP_END,
// Jump and link (call)
JmpLink,
// Handle gp_rel (small data/bss sections) relocation.
GPRel,
+ // Conditional Move
+ CMov,
+
// Select CC Pseudo Instruction
SelectCC,
+ // Floating Point Select CC Pseudo Instruction
+ FPSelectCC,
+
// Floating Point Branch Conditional
FPBrcond,
// Floating Point Compare
FPCmp,
+ // Floating Point Rounding
+ FPRound,
+
// Return
Ret
};
//===--------------------------------------------------------------------===//
// TargetLowering Implementation
//===--------------------------------------------------------------------===//
- class MipsTargetLowering : public TargetLowering
- {
- // FrameIndex for return slot.
- int ReturnAddrIndex;
+
+ class MipsTargetLowering : public TargetLowering {
public:
-
explicit MipsTargetLowering(MipsTargetMachine &TM);
/// LowerOperation - Provide custom lowering hooks for some operations.
- virtual SDValue LowerOperation(SDValue Op, SelectionDAG &DAG);
+ virtual SDValue LowerOperation(SDValue Op, SelectionDAG &DAG) const;
/// getTargetNodeName - This method returns the name of a target specific
// DAG node.
virtual const char *getTargetNodeName(unsigned Opcode) const;
/// getSetCCResultType - get the ISD::SETCC result ValueType
- MVT getSetCCResultType(const SDValue &) const;
+ MVT::SimpleValueType getSetCCResultType(EVT VT) const;
+ /// getFunctionAlignment - Return the Log2 alignment of this function.
+ virtual unsigned getFunctionAlignment(const Function *F) const;
private:
// Subtarget Info
const MipsSubtarget *Subtarget;
+
// Lower Operand helpers
- SDValue LowerCCCArguments(SDValue Op, SelectionDAG &DAG);
- SDValue LowerCCCCallTo(SDValue Op, SelectionDAG &DAG, unsigned CC);
- SDNode *LowerCallResult(SDValue Chain, SDValue InFlag, SDNode*TheCall,
- unsigned CallingConv, SelectionDAG &DAG);
- bool IsGlobalInSmallSection(GlobalValue *GV);
- bool IsInSmallSection(unsigned Size);
+ SDValue LowerCallResult(SDValue Chain, SDValue InFlag,
+ CallingConv::ID CallConv, bool isVarArg,
+ const SmallVectorImpl<ISD::InputArg> &Ins,
+ DebugLoc dl, SelectionDAG &DAG,
+ SmallVectorImpl<SDValue> &InVals) const;
// Lower Operand specifics
- SDValue LowerRET(SDValue Op, SelectionDAG &DAG);
- SDValue LowerCALL(SDValue Op, SelectionDAG &DAG);
- SDValue LowerFORMAL_ARGUMENTS(SDValue Op, SelectionDAG &DAG);
- SDValue LowerGlobalAddress(SDValue Op, SelectionDAG &DAG);
- SDValue LowerGlobalTLSAddress(SDValue Op, SelectionDAG &DAG);
- SDValue LowerJumpTable(SDValue Op, SelectionDAG &DAG);
- SDValue LowerConstantPool(SDValue Op, SelectionDAG &DAG);
- SDValue LowerSELECT_CC(SDValue Op, SelectionDAG &DAG);
-
- virtual MachineBasicBlock *EmitInstrWithCustomInserter(MachineInstr *MI,
- MachineBasicBlock *MBB);
+ SDValue LowerANDOR(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerBRCOND(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerConstantPool(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerDYNAMIC_STACKALLOC(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerFP_TO_SINT(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerGlobalAddress(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerGlobalTLSAddress(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerJumpTable(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerSELECT(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerSETCC(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerVASTART(SDValue Op, SelectionDAG &DAG) const;
+
+ virtual SDValue
+ LowerFormalArguments(SDValue Chain,
+ CallingConv::ID CallConv, bool isVarArg,
+ const SmallVectorImpl<ISD::InputArg> &Ins,
+ DebugLoc dl, SelectionDAG &DAG,
+ SmallVectorImpl<SDValue> &InVals) const;
+
+ virtual SDValue
+ LowerCall(SDValue Chain, SDValue Callee,
+ CallingConv::ID CallConv, bool isVarArg,
+ bool &isTailCall,
+ const SmallVectorImpl<ISD::OutputArg> &Outs,
+ const SmallVectorImpl<SDValue> &OutVals,
+ const SmallVectorImpl<ISD::InputArg> &Ins,
+ DebugLoc dl, SelectionDAG &DAG,
+ SmallVectorImpl<SDValue> &InVals) const;
+
+ virtual SDValue
+ LowerReturn(SDValue Chain,
+ CallingConv::ID CallConv, bool isVarArg,
+ const SmallVectorImpl<ISD::OutputArg> &Outs,
+ const SmallVectorImpl<SDValue> &OutVals,
+ DebugLoc dl, SelectionDAG &DAG) const;
+
+ virtual MachineBasicBlock *
+ EmitInstrWithCustomInserter(MachineInstr *MI,
+ MachineBasicBlock *MBB) const;
// Inline asm support
ConstraintType getConstraintType(const std::string &Constraint) const;
std::pair<unsigned, const TargetRegisterClass*>
getRegForInlineAsmConstraint(const std::string &Constraint,
- MVT VT) const;
+ EVT VT) const;
std::vector<unsigned>
getRegClassForInlineAsmConstraint(const std::string &Constraint,
- MVT VT) const;
+ EVT VT) const;
+
+ virtual bool isOffsetFoldingLegal(const GlobalAddressSDNode *GA) const;
+
+ /// isFPImmLegal - Returns true if the target can instruction select the
+ /// specified FP immediate natively. If false, the legalizer will
+ /// materialize the FP immediate as a load from a constant pool.
+ virtual bool isFPImmLegal(const APFloat &Imm, EVT VT) const;
};
}