On Thu, 22 Oct 2020 08:50:54 GMT, Richard Reingruber <rr...@openjdk.org> wrote:
>> Depth 1 means top frame and its caller. In >> UpdateForPopTopFrameClosure::doit() line 1606(?) the 2 top frames are >> deoptimized. Reallocating objects while a frame pop request is processed >> does not work if reallocation fails therefore we use an EscapeBarrier to >> eagerly reallocate objects beforehand. > > @fisk for PopFrame the top frame needs to be deoptimized (if compiled) to be > able to actually remove it when the thread is resumed. Its caller needs to be > deoptimized to be able restart the call. For ForceEarlyReturn it is not > necessary to restart. The target can return to a compiled caller and continue > executing compiled code. So the caller frame is not deoptimized. > > @robehn nothing is messed up. Thanks again for doing it. Great! ------------- PR: https://git.openjdk.java.net/jdk/pull/729
