-//===- ARMBaseInstrInfo.h - ARM Base Instruction Information -------------*- C++ -*-===//
+//===- ARMBaseInstrInfo.h - ARM Base Instruction Information ----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
Size4Bytes = 3,
Size2Bytes = 4,
- // IndexMode - Unindex, pre-indexed, or post-indexed. Only valid for load
- // and store ops
+ // IndexMode - Unindex, pre-indexed, or post-indexed are valid for load
+ // and store ops only. Generic "updating" flag is used for ld/st multiple.
IndexModeShift = 7,
IndexModeMask = 3 << IndexModeShift,
IndexModePre = 1,
IndexModePost = 2,
+ IndexModeUpd = 3,
//===------------------------------------------------------------------===//
// Instruction encoding formats.
StMiscFrm = 9 << FormShift,
LdStMulFrm = 10 << FormShift,
+ LdStExFrm = 11 << FormShift,
+
// Miscellaneous arithmetic instructions
- ArithMiscFrm = 11 << FormShift,
+ ArithMiscFrm = 12 << FormShift,
// Extend instructions
- ExtFrm = 12 << FormShift,
+ ExtFrm = 13 << FormShift,
// VFP formats
- VFPUnaryFrm = 13 << FormShift,
- VFPBinaryFrm = 14 << FormShift,
- VFPConv1Frm = 15 << FormShift,
- VFPConv2Frm = 16 << FormShift,
- VFPConv3Frm = 17 << FormShift,
- VFPConv4Frm = 18 << FormShift,
- VFPConv5Frm = 19 << FormShift,
- VFPLdStFrm = 20 << FormShift,
- VFPLdStMulFrm = 21 << FormShift,
- VFPMiscFrm = 22 << FormShift,
+ VFPUnaryFrm = 14 << FormShift,
+ VFPBinaryFrm = 15 << FormShift,
+ VFPConv1Frm = 16 << FormShift,
+ VFPConv2Frm = 17 << FormShift,
+ VFPConv3Frm = 18 << FormShift,
+ VFPConv4Frm = 19 << FormShift,
+ VFPConv5Frm = 20 << FormShift,
+ VFPLdStFrm = 21 << FormShift,
+ VFPLdStMulFrm = 22 << FormShift,
+ VFPMiscFrm = 23 << FormShift,
// Thumb format
- ThumbFrm = 23 << FormShift,
+ ThumbFrm = 24 << FormShift,
// NEON format
- NEONFrm = 24 << FormShift,
- NEONGetLnFrm = 25 << FormShift,
- NEONSetLnFrm = 26 << FormShift,
- NEONDupFrm = 27 << FormShift,
+ NEONFrm = 25 << FormShift,
+ NEONGetLnFrm = 26 << FormShift,
+ NEONSetLnFrm = 27 << FormShift,
+ NEONDupFrm = 28 << FormShift,
//===------------------------------------------------------------------===//
// Misc flags.
I_BitShift = 25,
CondShift = 28
};
+
+ /// Target Operand Flag enum.
+ enum TOF {
+ //===------------------------------------------------------------------===//
+ // ARM Specific MachineOperand flags.
+
+ MO_NO_FLAG,
+
+ /// MO_LO16 - On a symbol operand, this represents a relocation containing
+ /// lower 16 bit of the address. Used only via movw instruction.
+ MO_LO16,
+
+ /// MO_HI16 - On a symbol operand, this represents a relocation containing
+ /// higher 16 bit of the address. Used only via movt instruction.
+ MO_HI16
+ };
}
class ARMBaseInstrInfo : public TargetInstrInfoImpl {
// if there is not such an opcode.
virtual unsigned getUnindexedOpcode(unsigned Opc) const =0;
- // Return true if the block does not fall through.
- virtual bool BlockHasNoFallThrough(const MachineBasicBlock &MBB) const =0;
-
virtual MachineInstr *convertToThreeAddress(MachineFunction::iterator &MFI,
MachineBasicBlock::iterator &MBBI,
LiveVariables *LV) const;
virtual bool DefinesPredicate(MachineInstr *MI,
std::vector<MachineOperand> &Pred) const;
+ virtual bool isPredicable(MachineInstr *MI) const;
+
/// GetInstSize - Returns the size of the specified MachineInstr.
///
virtual unsigned GetInstSizeInBytes(const MachineInstr* MI) const;
unsigned DestReg, int FrameIndex,
const TargetRegisterClass *RC) const;
+ virtual MachineInstr *emitFrameIndexDebugValue(MachineFunction &MF,
+ int FrameIx,
+ uint64_t Offset,
+ const MDNode *MDPtr,
+ DebugLoc DL) const;
+
virtual bool canFoldMemoryOperand(const MachineInstr *MI,
const SmallVectorImpl<unsigned> &Ops) const;
virtual MachineInstr* foldMemoryOperandImpl(MachineFunction &MF,
MachineInstr* MI,
- const SmallVectorImpl<unsigned> &Ops,
+ const SmallVectorImpl<unsigned> &Ops,
MachineInstr* LoadMI) const;
+ virtual void reMaterialize(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MI,
+ unsigned DestReg, unsigned SubIdx,
+ const MachineInstr *Orig,
+ const TargetRegisterInfo *TRI) const;
+
+ MachineInstr *duplicate(MachineInstr *Orig, MachineFunction &MF) const;
+
+ virtual bool produceSameValue(const MachineInstr *MI0,
+ const MachineInstr *MI1) const;
};
static inline
static inline
bool isIndirectBranchOpcode(int Opc) {
- return Opc == ARM::BRIND || Opc == ARM::tBRIND;
+ return Opc == ARM::BRIND || Opc == ARM::MOVPCRX || Opc == ARM::tBRIND;
}
/// getInstrPredicate - If instruction is predicated, returns its predicate