Merge

8156066: Backout JDK-8153892 Reviewed-by: coleenp, mikael

Merge

8155751: Some tests miss othervm for main/bootclasspath mode Reviewed-by: kvn

8155946: Minimal VM fails to built after 8154153: PS: Restore preserved marks in parallel Reviewed-by: stefank

8155943: Move G1Eden/SurvivorRegions into their own source files Reviewed-by: sjohanss, ehelin

8155634: Clean out old logging and dead code from SurvRateGroup Reviewed-by: jmasa, tschatzl, sjohanss

Merge

8150721: Don't explicitly manage G1 young regions in YoungList Reviewed-by: ehelin, sjohanss, tschatzl

Merge

8155864: api/java_lang/Math/cos_cos6 and sin_sin6 fail Reviewed-by: kvn

Merge

8155966: Assertion failures when -XX:+UseParallelGC -XX:ParallelGCThreads=1 Reviewed-by: drwhite, kbarrett

Merge

8141501: Problems with BitMap buffer management Reviewed-by: pliden, kbarrett

8155958: quarantine failing tests from JDK-8155957 Reviewed-by: hseigel, gtriantafill, dsamersoff, sspitsyn

8134889: Kitchensink stress test crashes with out of memory error Summary: Add a hard max of 16 GC threads (each for concurrent and parallel G1) on 32-bit JVMs. Reviewed-by: mgerdin, pliden

8153892: Handle unsafe access error directly in signal handler instead of going through a stub Reviewed-by: stuefe, dholmes

8154710: [Solaris] Investigate use of in-memory low-resolution timestamps for Java and internal time API's Reviewed-by: shade, rriggs, dcubed

8155524: HotCardCache shouldn't be part of ConcurrentG1Refine Summary: Make G1CollectedHeap owner of HotCardCache. Reviewed-by: jmasa, mgerdin, tschatzl

Merge

8150994: UseParallelGC fails with UseDynamicNumberOfGCThreads with specjbb2005 Reviewed-by: tschatzl, kbarrett

Merge

Merge

8154955: Negative Other Time in gc logs due to 'Wait for Root Region Scan' not included Summary: Move the note_gc_start() call before the wait_for_root_region_scanning() one. Reviewed-by: kbarrett, tschatzl Contributed-by: Yu Zhang <yu.zhang@oracle.com>

8155819: Support non-continuous CodeBlobs in HotSpot broke Zero Summary: Adjust to CompiledMethod changes. Reviewed-by: coleenp, rbackman

Merge

8155754: Quarantine serviceability/tmtools/jstat/GcTest02.java Summary: Add @ignore 8155570 Reviewed-by: kbarrett, stefank

Merge

8150393: Maintain the set of survivor regions in an array between GCs Reviewed-by: tschatzl, sjohanss

8155811: Remove HeapRegionRemSet::_coarse_dirty flag Reviewed-by: mgerdin, jmasa

8155813: Fix indentation in G1RemSetScanState::clear_card_table() Reviewed-by: mgerdin

Merge

8154794: Add support for experimental fields/events to event-based tracing Reviewed-by: mlarsson, mgronlun

8155229: Tune thread usage for live data clearing Reviewed-by: mgerdin, drwhite

8155233: Lazy coarse map clear Summary: Only clear the coarse bitmaps of the remembered sets if they were dirtied. Reviewed-by: jmasa, mgerdin

8155230: Tune thread usage for mark bitmap clear Reviewed-by: jmasa, mgerdin

8153507: Improve Card Table Clear Task Summary: Move card table clear code into remembered set related files. Improve work distribution of this task, and tune thread usage. Reviewed-by: jmasa, mgerdin

8155232: Augment Workgang to run task with a given number of threads Summary: Add a method to run a WorkGang with a set number of threads. Reviewed-by: stefank, jmasa, mgerdin

8154258: [TESTBUG] Various serviceability tests fail compilation Summary: Replace sun.misc.Unsafe with jdk.internal.misc.Unsafe Reviewed-by: chegar, kvn

8154110: Update class* and safepoint* logging subsystems Summary: Refactored logging tags in class and safepoint subsystems. Reviewed-by: coleenp, rehn, hseigel

Merge

8154743: Internal Error: psParallelCompact.hpp assert(addr >= _region_start) failed: bad addr Reviewed-by: tschatzl, kbarrett

Merge

8155685: Wrong indentation in ClassFileParser::post_process_parsed_stream Summary: Fix indentation Reviewed-by: dcubed

8147026: Convert an assert in ClassLoaderData to a guarantee Summary: Guarantee is to ensure classloader is a valid oop will help catch the errors at an early stage rather than crashing the JVM later on in the GC Reviewed-by: coleenp

Merge

Merge

8155617: aarch64: ClearArray does not use DC ZVA Summary: Implement block zero using DC ZVA Reviewed-by: aph Contributed-by: long.chen@linaro.org, edward.nevill@gmail.com

6941938: Improve array equals intrinsic on SPARC Summary: Array equals intrinsic should do 8-byte comparison on SPARC. Reviewed-by: kvn, jrose, mgerdin, twisti

8155612: Aarch64: vector nodes need to support misaligned offset Summary: Add support for misaligned offsets. Reviewed-by: aph

8154836: VM crash due to "Base pointers must match" Summary: Improve the handling of AddP nodes in final graph reshaping. Reviewed-by: kvn, zmajo

8152903: [JVMCI] CompilerToVM::resolveMethod should correctly handle private methods in interfaces Reviewed-by: iveresov

8154975: Update for vectorizedMismatch with AVX512 Reviewed-by: kvn

8155015: Aarch64: bad assert in spill generation code Reviewed-by: thartmann

8154939: 8153998 broke vectorization on aarch64 Reviewed-by: kvn, mcberg