diff options
Diffstat (limited to 'lib/Target/Mips/Mips16RegisterInfo.cpp')
-rw-r--r-- | lib/Target/Mips/Mips16RegisterInfo.cpp | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/lib/Target/Mips/Mips16RegisterInfo.cpp b/lib/Target/Mips/Mips16RegisterInfo.cpp index 6b87ecb08c..ff0f5a0dfb 100644 --- a/lib/Target/Mips/Mips16RegisterInfo.cpp +++ b/lib/Target/Mips/Mips16RegisterInfo.cpp @@ -43,6 +43,32 @@ Mips16RegisterInfo::Mips16RegisterInfo(const MipsSubtarget &ST, const Mips16InstrInfo &I) : MipsRegisterInfo(ST), TII(I) {} +bool Mips16RegisterInfo::requiresRegisterScavenging + (const MachineFunction &MF) const { + return true; +} +bool Mips16RegisterInfo::requiresFrameIndexScavenging + (const MachineFunction &MF) const { + return true; +} + +bool Mips16RegisterInfo::useFPForScavengingIndex + (const MachineFunction &MF) const { + return false; +} + +bool Mips16RegisterInfo::saveScavengerRegister + (MachineBasicBlock &MBB, + MachineBasicBlock::iterator I, + MachineBasicBlock::iterator &UseMI, + const TargetRegisterClass *RC, + unsigned Reg) const { + DebugLoc DL; + TII.copyPhysReg(MBB, I, DL, Mips::T0, Reg, true); + TII.copyPhysReg(MBB, UseMI, DL, Reg, Mips::T0, true); + return true; +} + // This function eliminate ADJCALLSTACKDOWN, // ADJCALLSTACKUP pseudo instructions void Mips16RegisterInfo:: |