// result consists of 4 bits, indicating lt, eq, gt and un (unordered),
// only one of which will be set. The result is generated by fcmpu
// instruction. However, bc instruction only inspects one of the first 3
- // bits, so when un is set, bc instruction may jump to to an undesired
+ // bits, so when un is set, bc instruction may jump to an undesired
// place.
//
// More specifically, if we expect an unordered comparison and un is set, we