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

[Hamlin Li]

On Tue, 28 Nov 2023 11:23:30 GMT, Fei Yang <fyang at openjdk.org> wrote:

>> Hamlin Li has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   optimize perf with stub out-of-line
>
> 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.

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PR Review Comment: https://git.openjdk.org/jdk/pull/16802#discussion_r1407960943