Bitfield extract.
Rt = Ra[Fe:Fb]
This instruction extracts a bit field from a general purpose register and places the result in a general purpose register. The result is zero extended to 64 bits.
This instruction will not cause any exceptions.
Opcode7 | Ra5 | Rt5 | Fe6 | Fb6 | Func3 |
21 | Ra5 | Rt5 | Fe6 | Fb6 | 4 |