RFR: 8308479: [s390x] Implement alternative fast-locking scheme [v7]

[Amit Kumar]

On Thu, 22 Jun 2023 20:26:22 GMT, Martin Doerr <mdoerr at openjdk.org> wrote:

>> Amit Kumar has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   minor comment update
>
> src/hotspot/cpu/s390/macroAssembler_s390.cpp line 3265:
> 
>> 3263:   guarantee(Immediate::is_uimm16(markWord::monitor_value), "must be half-word");
>> 3264:   if (LockingMode == LM_LIGHTWEIGHT)
>> 3265:     z_lgr(temp, currentHeader);
> 
> Hotspot coding style: Use curly brackets even if it's only one statement.

Thanks for comments, 

Fixed.

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PR Review Comment: https://git.openjdk.org/jdk/pull/14414#discussion_r1239343593