-static unsigned getRegisterEnum(BO B, unsigned RegClassID, unsigned RawRegister,
- bool DRegPair = false) {
-
- if (DRegPair && RegClassID == ARM::QPRRegClassID) {
- // LLVM expects { Dd, Dd+1 } to form a super register; this is not specified
- // in the ARM Architecture Manual as far as I understand it (A8.6.307).
- // Therefore, we morph the RegClassID to be the sub register class and don't
- // subsequently transform the RawRegister encoding when calculating RegNum.
- //
- // See also ARMinstPrinter::printOperand() wrt "dregpair" modifier part
- // where this workaround is meant for.
- RegClassID = ARM::DPRRegClassID;
- }
-