RFR: 8365732: RISC-V: implement AES CTR intrinsics [v26]

[Hamlin Li]

On Thu, 13 Nov 2025 07:12:38 GMT, Anjian Wen <wenanjian at openjdk.org> wrote:

>> Hi everyone, please help review this patch which Implement the _counterMode_AESCrypt with Zvkned. On my QEMU, with Zvkned extension enabled, the tests in test/hotspot/jtreg/compiler/codegen/aes/ Passed.
>
> Anjian Wen has updated the pull request incrementally with one additional commit since the last revision:
> 
>   modify stub_id name

src/hotspot/cpu/riscv/stubGenerator_riscv.cpp line 2663:

> 2661:     const Register input_len           = c_rarg4;
> 2662:     const Register saved_encrypted_ctr = c_rarg5;
> 2663:     const Register used_ptr            = c_rarg6;

Suggestion:

    const Register used_len_addr            = c_rarg6;

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PR Review Comment: https://git.openjdk.org/jdk/pull/25281#discussion_r2538997048