RFR: 8343724: [PPC64] Disallow OptoScheduling [v2]

[Martin Doerr]

On Thu, 7 Nov 2024 13:28:49 GMT, Richard Reingruber <rrich at openjdk.org> wrote:

>> Martin Doerr has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Move flag configuration to VM_Version::initialize(). Add EntryAlignment guarantee like on other platforms.
>
> src/hotspot/cpu/ppc/vm_version_ppc.cpp line 174:
> 
>> 172: 
>> 173:   // Power7 and later.
>> 174:   if (PowerArchitecturePPC64 > 6) {
> 
> Settings that depend on `PowerArchitecturePPC64` seem to be ordered. You might want to keep it like that.

I have moved these flags up. Note that the checks will get removed by [JDK-8331859](https://bugs.openjdk.org/browse/JDK-8331859).

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PR Review Comment: https://git.openjdk.org/jdk/pull/21935#discussion_r1832740450