[PATCH 3/9] RISC-V: insn-def: Define cbo.zero

[Heiko Stübner]

Am Donnerstag, 27. Oktober 2022, 15:02:41 CEST schrieb Andrew Jones:
> CBO instructions use the I-type of instruction format where
> the immediate is used to identify the CBO instruction type.
> Add I-type instruction encoding support to insn-def and also
> add cbo.zero.
> 
> Signed-off-by: Andrew Jones <ajones at ventanamicro.com>

Reviewed-by: Heiko Stuebner <heiko at sntech.de>