diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMISelLowering.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Target/ARM/ARMISelLowering.cpp b/llvm/lib/Target/ARM/ARMISelLowering.cpp index f22c5b9ca4d..ebfa1b118eb 100644 --- a/llvm/lib/Target/ARM/ARMISelLowering.cpp +++ b/llvm/lib/Target/ARM/ARMISelLowering.cpp @@ -6360,6 +6360,8 @@ ARMTargetLowering::EmitAtomicBinary64(MachineInstr *MI, MachineBasicBlock *BB, MRI.constrainRegClass(destlo, &ARM::rGPRRegClass); MRI.constrainRegClass(desthi, &ARM::rGPRRegClass); MRI.constrainRegClass(ptr, &ARM::rGPRRegClass); + MRI.constrainRegClass(vallo, &ARM::rGPRRegClass); + MRI.constrainRegClass(valhi, &ARM::rGPRRegClass); } MachineBasicBlock *loopMBB = MF->CreateMachineBasicBlock(LLVM_BB); @@ -6467,6 +6469,8 @@ ARMTargetLowering::EmitAtomicBinary64(MachineInstr *MI, MachineBasicBlock *BB, // Store if (isThumb2) { + MRI.constrainRegClass(StoreLo, &ARM::rGPRRegClass); + MRI.constrainRegClass(StoreHi, &ARM::rGPRRegClass); AddDefaultPred(BuildMI(BB, dl, TII->get(ARM::t2STREXD), storesuccess) .addReg(StoreLo).addReg(StoreHi).addReg(ptr)); } else { |
