On Fri, 8 Aug 2025 13:25:27 GMT, Per Minborg <pminb...@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: > > Update copyright year src/java.base/share/classes/jdk/internal/foreign/AbstractMemorySegmentImpl.java line 266: > 264: > 265: // The below computation is a branchless equivalent to > 266: // `return (thisStart < thatEnd && thisEnd > > thatStart)?1:0;`. Here is how: It would be pretty cool if C2 could do the optimization of branch-less computations like these. ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/26672#discussion_r2263379446
