[jdk21u-dev] RFR: 8317575: AArch64: C2_MacroAssembler::fast_lock uses rscratch1 for cmpxchg result [v2]

[duke]

On Thu, 22 Aug 2024 11:01:36 GMT, Boris Ulasevich <bulasevich at openjdk.org> wrote:

>> This is a clean backport to avoid a potentially rscratch1 register clobbering in C2_MacroAssembler::fast_lock.
>> 
>> Testing: jtreg tier1-3 on linux-aarch64.
>
> Boris Ulasevich has refreshed the contents of this pull request, and previous commits have been removed. The incremental views will show differences compared to the previous content of the PR. The pull request contains one new commit since the last revision:
> 
>   Backport 387504c9e4b93d162dcef7c90c57c27295858d2e

@bulasevich 
Your change (at version 0403e0e0da65383c9a712877a8fc0dc15790e5c3) is now ready to be sponsored by a Committer.

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PR Comment: https://git.openjdk.org/jdk21u-dev/pull/941#issuecomment-2332141211