RFR: 8283626: AArch64: Set relocInfo::offset_unit to 4 [v2]

[Evgeny Astigeevich]

On Mon, 28 Mar 2022 13:16:34 GMT, Andrew Haley <aph at openjdk.org> wrote:

>> Evgeny Astigeevich has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Updated code comments
>
> src/hotspot/cpu/aarch64/relocInfo_aarch64.hpp line 33:
> 
>> 31:   enum {
>> 32:     // AArch64 instructions size is 4 bytes.
>> 33:     // Two lowest offset bits can always be discarded.
> 
> Suggestion:
> 
>     // AArch64 instructions are always 4 bytes long and 4-aligned, so the
>     // two lowest offset bits can always be discarded.

@theRealAph Thank you for reviewing and comments.

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PR: https://git.openjdk.java.net/jdk/pull/7991