RFR: 8365017: The SegmentBulkOperations::copy method can be improved using overlaps [v8]

[Andrey Turbanov]

On Wed, 13 Aug 2025 14:14:30 GMT, Per Minborg <pminborg at openjdk.org> wrote:

>> This PR proposes to use overlapping memory areas in `SegmentBulkOperations::copy`, similar to what is proposed for `SegmentBulkOperations::fill` in https://github.com/openjdk/jdk/pull/25383.
>> 
>> This PR passes `tier1`, `tier2`, and `tier3`testing on multiple platforms.
>
> Per Minborg has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Break out the default branch

src/java.base/share/classes/jdk/internal/foreign/SegmentBulkOperations.java line 126:

> 124: 
> 125: 
> 126:             if( len > 15) {

Suggestion:

            if (len > 15) {

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PR Review Comment: https://git.openjdk.org/jdk/pull/26672#discussion_r2285488529