RFR: 8368303: AlwaysAtomicAccesses is excessively strict [v2]

[Aleksey Shipilev]

On Thu, 2 Oct 2025 22:22:50 GMT, Dean Long <dlong at openjdk.org> wrote:

>> Andrew Haley has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Next try
>
> src/hotspot/share/gc/shared/c1/barrierSetC1.cpp line 45:
> 
>> 43: // The JMM requires atomicity for all accesses to fields of primitive
>> 44: // types other than double and long. In practice, HotSpot assumes that
>> 45: // on all all processors, accesses to memory operands of wordSize and
> 
> Suggestion:
> 
> // on all processors, accesses to memory operands of wordSize and

^^^

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PR Review Comment: https://git.openjdk.org/jdk/pull/27432#discussion_r2406363375