RFR: 8318227: RISC-V: C2 ConvHF2F [v2]

[Fei Yang]

On Tue, 28 Nov 2023 15:31:20 GMT, Hamlin Li <mli at openjdk.org> wrote:

>> src/hotspot/os_cpu/linux_riscv/riscv_hwprobe.cpp line 52:
>> 
>>> 50: #define   RISCV_HWPROBE_EXT_ZBB                 (1 << 4)
>>> 51: #define   RISCV_HWPROBE_EXT_ZBS                 (1 << 5)
>>> 52: #define   RISCV_HWPROBE_EXT_ZFH                 (1 << 27)
>> 
>> Will this change in future? Seems it's still not there in the kernel source yet [1].
>>  
>> [1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/riscv/include/uapi/asm/hwprobe.h?h=v6.7-rc3
>
> The latest message I got is that it will be pushed into kernel soon, we can wait for it landing in kernel if you'd like to.

Maybe wait a while for it to land?

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PR Review Comment: https://git.openjdk.org/jdk/pull/16802#discussion_r1408992931