RFR: 8322753: RISC-V: C2 ReverseBytesV [v2]

[Ludovic Henry]

On Tue, 7 May 2024 20:02:50 GMT, Hamlin Li <mli at openjdk.org> wrote:

>> src/hotspot/os_cpu/linux_riscv/riscv_hwprobe.cpp line 182:
>> 
>>> 180:   }
>>> 181:   if (is_set(RISCV_HWPROBE_KEY_IMA_EXT_0, RISCV_HWPROBE_EXT_ZVBB)) {
>>> 182:     VM_Version::ext_Zvbb.enable_feature();
>> 
>> Same as https://github.com/openjdk/jdk/pull/19065, we don't want to enable experimental extensions via hwprobe.
>
> Same as above. Thanks!

That is still leftover from merging master.

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PR Review Comment: https://git.openjdk.org/jdk/pull/19120#discussion_r1593807443