- // Allow DPR / DPR_VFP2 / DPR_8 cross-class copies.
- // Allow QPR / QPR_VFP2 / QPR_8 cross-class copies.
- if (DestRC->getSize() != 8 && DestRC->getSize() != 16)
+ if (DestRC == ARM::GPRRegisterClass) {
+ if (SrcRC == ARM::SPRRegisterClass)
+ AddDefaultPred(BuildMI(MBB, I, DL, get(ARM::VMOVRS), DestReg)
+ .addReg(SrcReg));
+ else
+ AddDefaultCC(AddDefaultPred(BuildMI(MBB, I, DL, get(ARM::MOVr),
+ DestReg).addReg(SrcReg)));
+ } else {
+ unsigned Opc;
+
+ if (DestRC == ARM::SPRRegisterClass)
+ Opc = (SrcRC == ARM::GPRRegisterClass ? ARM::VMOVSR : ARM::VMOVS);
+ else if (DestRC == ARM::DPRRegisterClass)
+ Opc = ARM::VMOVD;
+ else if (DestRC == ARM::DPR_VFP2RegisterClass ||
+ SrcRC == ARM::DPR_VFP2RegisterClass)
+ // Always use neon reg-reg move if source or dest is NEON-only regclass.
+ Opc = ARM::VMOVDneon;
+ else if (DestRC == ARM::QPRRegisterClass)
+ Opc = ARM::VMOVQ;
+ else