RFR: 8352675: Support Intel AVX10 converged vector ISA feature detection [v14]

[Vladimir Ivanov]

On Tue, 6 May 2025 08:45:15 GMT, Jatin Bhateja <jbhateja at openjdk.org> wrote:

>> src/hotspot/cpu/x86/vm_version_x86.hpp line 707:
>> 
>>> 705:   //
>>> 706:   static bool supports_cpuid()        { return _features  != 0; }
>>> 707:   static bool supports_cmov()         { return (_features & CPU_CMOV) != 0; }
>> 
>> Since you touch this code anyway, I suggest to use this opportunity to automatically derive this code using  `CPU_FEATURE_FLAGS` macro. (As an example [1].)
>> 
>> [1] https://github.com/openjdk/jdk/blob/master/src/hotspot/cpu/aarch64/vm_version_aarch64.hpp#L147
>
> Unlike AARCH64, there is not a 1:1 mapping b/w CPU_* features and the corresponding support checkers; some AVX512 checkers use multiple features. Skipping this for now for consistency.

Sure, I'm fine with addressing it separately.

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PR Review Comment: https://git.openjdk.org/jdk/pull/24329#discussion_r2075993391