On Thu, 10 Jul 2025 23:40:15 GMT, Chen Liang <li...@openjdk.org> wrote:
> On 32 bit platforms, when an access to long/double is aligned, it is > supported but not atomic. The original wording in > `MethodHandles::byteBufferViewVarHandle` sounds as if it is not supported at > all. We can fix that by borrowing the improved specification from > `MemoryLayout::varHandle`. > > Note: This doc is copied from > https://github.com/openjdk/jdk/blob/ee0d309bbd33302d8c6f35155e975db77aaea785/src/java.base/share/classes/java/lang/foreign/MemoryLayout.java#L279-L282 > with slight adjustments. See the rendering at > https://docs.oracle.com/en/java/javase/24/docs/api/java.base/java/lang/foreign/MemoryLayout.html#access-mode-restrictions This pull request has now been integrated. Changeset: ea6674fe Author: Chen Liang <li...@openjdk.org> URL: https://git.openjdk.org/jdk/commit/ea6674fec8702eea481afa7ca7e522cbacd53841 Stats: 8 lines in 2 files changed: 1 ins; 0 del; 7 mod 8315131: Clarify VarHandle set/get access on 32-bit platforms Reviewed-by: rgiulietti, mcimadamore, jrose, shade, psandoz ------------- PR: https://git.openjdk.org/jdk/pull/26258
