MachineBasicBlock::iterator I, DebugLoc DL,
unsigned DestReg, unsigned SrcReg,
bool KillSrc) const {
- unsigned Opc = 0, ZeroReg = 0;
+ unsigned Opc = 0;
+
+ if (Mips::CPU16RegsRegClass.contains(DestReg) &&
+ Mips::CPURegsRegClass.contains(SrcReg))
+ Opc = Mips::MoveR3216;
+ else if (Mips::CPURegsRegClass.contains(DestReg) &&
+ Mips::CPU16RegsRegClass.contains(SrcReg))
+ Opc = Mips::Move32R16;
+ else if ((SrcReg == Mips::HI) &&
+ (Mips::CPU16RegsRegClass.contains(DestReg)))
+ Opc = Mips::Mfhi16, SrcReg = 0;
+
+ else if ((SrcReg == Mips::LO) &&
+ (Mips::CPU16RegsRegClass.contains(DestReg)))
+ Opc = Mips::Mflo16, SrcReg = 0;
- if (Mips::CPURegsRegClass.contains(DestReg)) { // Copy to CPU Reg.
- if (Mips::CPURegsRegClass.contains(SrcReg))
- Opc = Mips::Move32R16;
- }
assert(Opc && "Cannot copy registers");
if (DestReg)
MIB.addReg(DestReg, RegState::Define);
- if (ZeroReg)
- MIB.addReg(ZeroReg);
-
if (SrcReg)
MIB.addReg(SrcReg, getKillRegState(KillSrc));
}