+ if (ARM::GPRPairRegClass.hasSubClassEq(RC)) {
+ // Thumb2 LDRD expects its dest-registers to be in rGPR. Not a problem for
+ // gsub_0, but needs an extra constraint for gsub_1 (which could be sp
+ // otherwise).
+ MachineRegisterInfo *MRI = &MF.getRegInfo();
+ MRI->constrainRegClass(DestReg, &ARM::GPRPair_with_gsub_1_in_rGPRRegClass);
+
+ MachineInstrBuilder MIB = BuildMI(MBB, I, DL, get(ARM::t2LDRDi8));
+ AddDReg(MIB, DestReg, ARM::gsub_0, RegState::DefineNoRead, TRI);
+ AddDReg(MIB, DestReg, ARM::gsub_1, RegState::DefineNoRead, TRI);
+ MIB.addFrameIndex(FI).addImm(0).addMemOperand(MMO);
+ AddDefaultPred(MIB);
+
+ if (TargetRegisterInfo::isPhysicalRegister(DestReg))
+ MIB.addReg(DestReg, RegState::ImplicitDefine);
+ return;
+ }
+