diff options
Diffstat (limited to 'lib/Target/Mips/MipsISelDAGToDAG.cpp')
| -rw-r--r-- | lib/Target/Mips/MipsISelDAGToDAG.cpp | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/lib/Target/Mips/MipsISelDAGToDAG.cpp b/lib/Target/Mips/MipsISelDAGToDAG.cpp index 4236f74dea..15e745f7ea 100644 --- a/lib/Target/Mips/MipsISelDAGToDAG.cpp +++ b/lib/Target/Mips/MipsISelDAGToDAG.cpp @@ -125,7 +125,10 @@ void MipsDAGToDAGISel::InitGlobalBaseReg(MachineFunction &MF) { const TargetInstrInfo &TII = *MF.getTarget().getInstrInfo(); DebugLoc DL = I != MBB.end() ? I->getDebugLoc() : DebugLoc(); unsigned V0, V1, GlobalBaseReg = MipsFI->getGlobalBaseReg(); - int FI = MipsFI->initGlobalRegFI(); + int FI; // should initialize this to some kind of null + + if (!Subtarget.inMips16Mode()) + FI= MipsFI->initGlobalRegFI(); const TargetRegisterClass *RC = Subtarget.isABI_N64() ? (const TargetRegisterClass*)&Mips::CPU64RegsRegClass : @@ -187,6 +190,10 @@ void MipsDAGToDAGISel::InitGlobalBaseReg(MachineFunction &MF) { assert(Subtarget.isABI_O32()); + if (Subtarget.inMips16Mode()) + return; // no need to load GP. It can be calculated anywhere + + // For O32 ABI, the following instruction sequence is emitted to initialize // the global base register: // |