RFR: 8332130: RISC-V: remove wrong instructions of Vector Crypto Extension

[Fei Yang]

On Tue, 14 May 2024 06:11:57 GMT, Hamlin Li <mli at openjdk.org> wrote:

> > I think you mean the `funct3` (`OPIVV` vs `OPIVX`) encoding is wrong?
> 
> Yes

>From the RVV spec [1], the `funct3` encoding for `OPIVX` is 0b100, which is also reflected on the instruction encoding.
So why would you think it's wrong? Anything I missed? 

[1] https://github.com/riscv/riscv-v-spec/blob/master/v-spec.adoc#vector-arithmetic-instruction-formats

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PR Comment: https://git.openjdk.org/jdk/pull/19211#issuecomment-2109491672