RFR: 8282322: AArch64: Provide a means to eliminate all STREX family of instructions [v8]

[Dmitry Chuyko]

On Thu, 7 Jul 2022 16:09:57 GMT, Andrew Haley <aph at openjdk.org> wrote:

>> Dmitry Chuyko has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains 11 additional commits since the last revision:
>> 
>>  - Merge branch 'openjdk:master' into JDK-8282322
>>  - Merge branch 'openjdk:master' into JDK-8282322
>>  - Merge branch 'openjdk:master' into JDK-8282322
>>  - Moved 2 prfm-s from wrong ifdef branch
>>  - Removed unnecessary changes (forced UseLSE, blank lines)
>>  - Merge branch 'openjdk:master' into JDK-8282322
>>  - Merge branch 'openjdk:master' into JDK-8282322
>>  - Use LSE in linux-aarch64 asm code if __ARM_FEATURE_ATOMICS is on
>>  - Revert "hardlse feature"
>>    
>>    This reverts commit c5da85d3282bb995f69639f8f592cc94560916c5.
>>  - Merge branch 'openjdk:master' into JDK-8282322
>>  - ... and 1 more: https://git.openjdk.org/jdk/compare/ffee357a...d1ae97d9
>
> Is this dead, or... ?

@theRealAph I have made the latest edits as per your comments and they are pending review.

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PR: https://git.openjdk.org/jdk/pull/8779