RFR: Load coops base shift from AOTRuntimeConstants in AOT code [v4]

[Andrew Dinn]

On Thu, 26 Sep 2024 08:46:25 GMT, Andrew Haley <aph at openjdk.org> wrote:

>> Andrew Dinn has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   fix oop decode not to side-effect flags
>
> src/hotspot/cpu/aarch64/macroAssembler_aarch64.cpp line 5130:
> 
>> 5128:     }
>> 5129:   }
>> 5130:   return tmp;
> 
> Suggestion:
> 
>   auto tmps = RegSet::of(r0, r1, r2) - RegSet::of(src, dest);
>   return tmps.first();
> 
> Use the force, Luke Skywalker.

A-and ... this version actually works:

    auto tmps = RegSet::of(r0, r1, r2) - RegSet::of(src, dst);
    return *tmps.begin();

(`first()` is private :-)

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PR Review Comment: https://git.openjdk.org/leyden/pull/20#discussion_r1776820677