llvm_unreachable("Can't load this register from stack slot");
}
-bool PIC16InstrInfo::copyRegToReg (MachineBasicBlock &MBB,
- MachineBasicBlock::iterator I,
- unsigned DestReg, unsigned SrcReg,
- const TargetRegisterClass *DestRC,
- const TargetRegisterClass *SrcRC,
- DebugLoc DL) const {
-
- if (DestRC == PIC16::FSR16RegisterClass) {
- BuildMI(MBB, I, DL, get(PIC16::copy_fsr), DestReg).addReg(SrcReg);
- return true;
- }
-
- if (DestRC == PIC16::GPRRegisterClass) {
- BuildMI(MBB, I, DL, get(PIC16::copy_w), DestReg).addReg(SrcReg);
- return true;
- }
+void PIC16InstrInfo::copyPhysReg(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator I, DebugLoc DL,
+ unsigned DestReg, unsigned SrcReg,
+ bool KillSrc) const {
+ unsigned Opc;
+ if (PIC16::FSR16RegClass.contains(DestReg, SrcReg))
+ Opc = PIC16::copy_fsr;
+ else if (PIC16::GPRRegClass.contains(DestReg, SrcReg))
+ Opc = PIC16::copy_w;
+ else
+ llvm_unreachable("Impossible reg-to-reg copy");
- // Not yet supported.
- return false;
+ BuildMI(MBB, I, DL, get(Opc), DestReg)
+ .addReg(SrcReg, getKillRegState(KillSrc));
}
bool PIC16InstrInfo::isMoveInstr(const MachineInstr &MI,