2085c2085,2088
< break;
---
> M5_FALLTHROUGH;
> default:
> // S3_<op1>_11_<Cm>_<op2>
> return MISCREG_IMPDEF_UNIMPL;
2087c2090
< break;
---
> M5_UNREACHABLE;
2373c2376,2377
< break;
---
> // S3_<op1>_15_<Cm>_<op2>
> return MISCREG_IMPDEF_UNIMPL;