RFR: 8313141: Remove discarded volatile qualifier in assembler_aarch64.hpp [v2]

[Julian Waters]

On Wed, 26 Jul 2023 10:21:28 GMT, Andrew Haley <aph at openjdk.org> wrote:

>> Julian Waters has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Reference in assembler_aarch64.hpp
>
> src/hotspot/cpu/aarch64/assembler_aarch64.hpp line 38:
> 
>> 36: #ifdef __GNUC__
>> 37: 
>> 38: // ISO C++ asm is always implicitly volatile
> 
> Is it? I think this comment needs a reference, or (maybe better) it should be removed.

I've added the reference, I don't think removing the comment explaining why the asm is declared this way is a good idea

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PR Review Comment: https://git.openjdk.org/jdk/pull/15031#discussion_r1275707302