- case Matcher::EmitRegister:
- if (useEmitRegister2) {
- OS << "OPC_EmitRegister2, "
- << getEnumName(cast<EmitRegisterMatcher>(N)->getVT()) << ", ";
- if (Record *R = cast<EmitRegisterMatcher>(N)->getReg())
- OS << "TARGET_VAL(" << getQualifiedName(R) << "),\n";
- else {
- OS << "TARGET_VAL(0) ";
- if (!OmitComments)
- OS << "/*zero_reg*/";
- OS << ",\n";
- }
+ case Matcher::EmitRegister: {
+ const EmitRegisterMatcher *Matcher = cast<EmitRegisterMatcher>(N);
+ const CodeGenRegister *Reg = Matcher->getReg();
+ // If the enum value of the register is larger than one byte can handle,
+ // use EmitRegister2.
+ if (Reg && Reg->EnumValue > 255) {
+ OS << "OPC_EmitRegister2, " << getEnumName(Matcher->getVT()) << ", ";
+ OS << "TARGET_VAL(" << getQualifiedName(Reg->TheDef) << "),\n";