diff options
Diffstat (limited to 'lib/Target/Mips/Mips16InstrInfo.cpp')
-rw-r--r-- | lib/Target/Mips/Mips16InstrInfo.cpp | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/lib/Target/Mips/Mips16InstrInfo.cpp b/lib/Target/Mips/Mips16InstrInfo.cpp index 127c5b8..8991433 100644 --- a/lib/Target/Mips/Mips16InstrInfo.cpp +++ b/lib/Target/Mips/Mips16InstrInfo.cpp @@ -58,12 +58,22 @@ void Mips16InstrInfo::copyPhysReg(MachineBasicBlock &MBB, 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"); @@ -72,9 +82,6 @@ void Mips16InstrInfo::copyPhysReg(MachineBasicBlock &MBB, if (DestReg) MIB.addReg(DestReg, RegState::Define); - if (ZeroReg) - MIB.addReg(ZeroReg); - if (SrcReg) MIB.addReg(SrcReg, getKillRegState(KillSrc)); } |