RFR: Store cpu features in AOTCodeCache header

[Vladimir Kozlov]

On Mon, 14 Jul 2025 19:19:31 GMT, Ashutosh Mehra <asmehra at openjdk.org> wrote:

>> src/hotspot/cpu/x86/vm_version_x86.hpp line 373:
>> 
>>> 371:     decl(FXSR,              fxsr,              2)  \
>>> 372:     decl(HT,                ht,                3)  \
>>> 373:                                                      \
>> 
>> Please, revert alignment change to reduce size of changes. We can do it in mainline later.
>
> This change is not about alignment, but removing the quotes around the cpu feature names and use XSTR macro in DECLARE_CPU_FEATURE_NAME macros instead. Any change in alignment is the consequence of that.
> Do you want me to go back to using quotes and remove XSTR usage?

Okay, I missed that. Keep XSTR. Why aarch64 code does not use XSTR?

-------------

PR Review Comment: https://git.openjdk.org/leyden/pull/84#discussion_r2205662340