public:
explicit Mips16InstrInfo(MipsTargetMachine &TM);
- virtual const MipsRegisterInfo &getRegisterInfo() const;
+ const MipsRegisterInfo &getRegisterInfo() const override;
/// isLoadFromStackSlot - If the specified machine instruction is a direct
/// load from a stack slot, return the virtual or physical register number of
/// the destination along with the FrameIndex of the loaded stack slot. If
/// not, return 0. This predicate must return 0 if the instruction has
/// any side effects other than loading from the stack slot.
- virtual unsigned isLoadFromStackSlot(const MachineInstr *MI,
- int &FrameIndex) const;
+ unsigned isLoadFromStackSlot(const MachineInstr *MI,
+ int &FrameIndex) const override;
/// isStoreToStackSlot - If the specified machine instruction is a direct
/// store to a stack slot, return the virtual or physical register number of
/// the source reg along with the FrameIndex of the loaded stack slot. If
/// not, return 0. This predicate must return 0 if the instruction has
/// any side effects other than storing to the stack slot.
- virtual unsigned isStoreToStackSlot(const MachineInstr *MI,
- int &FrameIndex) const;
+ unsigned isStoreToStackSlot(const MachineInstr *MI,
+ int &FrameIndex) const override;
- virtual void copyPhysReg(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator MI, DebugLoc DL,
- unsigned DestReg, unsigned SrcReg,
- bool KillSrc) const;
+ void copyPhysReg(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MI, DebugLoc DL,
+ unsigned DestReg, unsigned SrcReg,
+ bool KillSrc) const override;
- virtual void storeRegToStack(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator MBBI,
- unsigned SrcReg, bool isKill, int FrameIndex,
- const TargetRegisterClass *RC,
- const TargetRegisterInfo *TRI,
- int64_t Offset) const;
+ void storeRegToStack(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MBBI,
+ unsigned SrcReg, bool isKill, int FrameIndex,
+ const TargetRegisterClass *RC,
+ const TargetRegisterInfo *TRI,
+ int64_t Offset) const override;
- virtual void loadRegFromStack(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator MBBI,
- unsigned DestReg, int FrameIndex,
- const TargetRegisterClass *RC,
- const TargetRegisterInfo *TRI,
- int64_t Offset) const;
+ void loadRegFromStack(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MBBI,
+ unsigned DestReg, int FrameIndex,
+ const TargetRegisterClass *RC,
+ const TargetRegisterInfo *TRI,
+ int64_t Offset) const override;
- virtual bool expandPostRAPseudo(MachineBasicBlock::iterator MI) const;
+ bool expandPostRAPseudo(MachineBasicBlock::iterator MI) const override;
- virtual unsigned getOppositeBranchOpc(unsigned Opc) const;
+ unsigned getOppositeBranchOpc(unsigned Opc) const override;
// Adjust SP by FrameSize bytes. Save RA, S0, S1
void makeFrame(unsigned SP, int64_t FrameSize, MachineBasicBlock &MBB,
- MachineBasicBlock::iterator I) const;
+ MachineBasicBlock::iterator I) const;
// Adjust SP by FrameSize bytes. Restore RA, S0, S1
void restoreFrame(unsigned SP, int64_t FrameSize, MachineBasicBlock &MBB,
MachineBasicBlock::iterator II, DebugLoc DL,
unsigned &NewImm) const;
+ static bool validImmediate(unsigned Opcode, unsigned Reg, int64_t Amount);
+
static bool validSpImm8(int offset) {
return ((offset & 7) == 0) && isInt<11>(offset);
}
void BuildAddiuSpImm
(MachineBasicBlock &MBB, MachineBasicBlock::iterator I, int64_t Imm) const;
+ unsigned getInlineAsmLength(const char *Str,
+ const MCAsmInfo &MAI) const override;
private:
- virtual unsigned getAnalyzableBrOpc(unsigned Opc) const;
+ unsigned getAnalyzableBrOpc(unsigned Opc) const override;
void ExpandRetRA16(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
unsigned Opc) const;