1228c1228
< return new WarnUnimplemented("yield", machInst);
---
> return new YieldInst(machInst);
1230c1230
< return new WarnUnimplemented("wfe", machInst);
---
> return new WfeInst(machInst);
1232c1232
< return new WarnUnimplemented("wfi", machInst);
---
> return new WfiInst(machInst);
1234c1234
< return new WarnUnimplemented("sev", machInst);
---
> return new SevInst(machInst);