Merge

Merge

8153340: Disallow misconfiguration and improve the consistency of allocation prefetching Summary: Improve allocation prefetching. Reviewed-by: kvn

8153527: break_tty_lock_for_safepoint causes "assert(false) failed: bad tag in log" and broken compile log Summary: Retake tty_lock before printing closing tag in print_optoassembly Reviewed-by: kvn

8153013: BlockingCompilation test times out Summary: Task has no invocation count and get stale at once Reviewed-by: kvn, iveresov, twisti

8154151: VM crashes with assert "Ensure we don't compile before compilebroker init" Summary: Drop compiles submitted with complevel_none Reviewed-by: kvn

6858051: Create GC worker threads dynamically Reviewed-by: tschatzl, drwhite

8155639: Remove STEP numbers from error reporting Reviewed-by: coleenp, twisti

Merge

8147039: Incorrect locals and operands in compiled frames Summary: Implement stack walking using javaVFrame instead of vframeStream Reviewed-by: mchung, vlivanov

Merge

8150921: Update Unsafe getters/setters to use double-register variants Reviewed-by: dholmes, shade, psandoz, jrose

8156480: Quarantine compiler/jvmci/compilerToVM/ReadUncompressedOopTest.java Reviewed-by: dcubed

8156088: Reintegrate 8153892: Handle unsafe access error directly in signal handler instead of going through a stub Reviewed-by: stuefe, dholmes

Merge

Merge

Merge

8054326: Confusing message in "Current rem set statistics" Reviewed-by: pliden, kevinw

Merge

8156050: ParallelCompact_test should skip test if UseParallelOldGC is off Reviewed-by: drwhite, pliden

Merge

8156072: AllocatedObj msgs coming out during -version etc Summary: Removed obsolete print. Reviewed-by: jmasa, ecaspole

Merge

8154942: Remove ProcessTools.getVmInputArguments() from the hotspot test library, as it is not used by any of the hotspot tests Reviewed-by: ctornqvi, hseigel

8155257: ParNew/CMS: Clean up promoted object tracking Reviewed-by: jmasa, ysr

8155239: [TESTBUG] Simple test setup for JVMTI ClassFileLoadHook Reviewed-by: cjplummer, mseledtsov

Merge

8153073: UL: Set filesize option with k/m/g Reviewed-by: mlarsson, dholmes

Merge

Merge

8155678: ClassLoader::initialize_module_loader_map should only be called when dumping CDS archive. Summary: Make ClassLoader::initialize_module_loader_map explicitly CDS dump time only. Reviewed-by: ccheung, lfoltan

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

8154495: SHA256 AVX2 intrinsic (when no supports_sha() available) Reviewed-by: kvn

8154896: xml.transform fails intermittently on SKX Summary: Replace some short branches (jccb) to avoid problem when EVEX is used. Reviewed-by: twisti, kvn

8151956: Support non-continuous CodeBlobs in HotSpot Reviewed-by: iveresov, thartmann, simonis

8154172: C1: NPE is thrown instead of linkage error when invoking nonexistent method Reviewed-by: kvn

8134918: C2: Type speculation produces mismatched unsafe accesses Reviewed-by: kvn

8086057: Crash with "modified node is not on IGVN._worklist" when running with -XX:-SplitIfBlocks Summary: Pre-loop Opaque1 node 'pre_opaq' should be put on the IGVN worklist after modification. Reviewed-by: kvn

8154763: Crash with "assert(RangeCheckElimination)" if RangeCheckElimination is disabled Summary: Disable multiversioning if range check elimination is turned off. Reviewed-by: mcberg, kvn

8155245: Add logging when MMU target is violated Reviewed-by: ehelin, mgerdin

Merge

Merge

Merge

8155089: UL: Remove trailing comma from log decoration list Reviewed-by: dsamersoff, mlarsson

Merge

8155527: New test TestHumongousClassLoader fails with "-XX:+ExplicitGCInvokesConcurrent" option Reviewed-by: dfazunen, drwhite, jwilhelm

8155034: [TESTBUG] ctw tests fail to compile: module reads package sun.reflect from both jdk.unsupported and java.base Summary: Replace sun.reflect with jdk.internal.reflect Reviewed-by: iignatyev, ddmitriev

Merge

Merge

8153835: Fix range of flag MaxDirectMemorySize which is parsed at jlong Summary: Changed MaxDirectMemorySize type to uint64_t and set max to max_jlong Reviewed-by: goetz, simonis

Merge

Merge

8153190: JVMTI GetAllModules should make it clear that it also returns unnamed module Summary: Clarify the JVMTI spec Reviewed-by: alanb

Merge

8155206: Internal VM test DirectiveParser_test is too verbose Reviewed-by: rehn, neliasso

8151342: Add module name/version to class histogram output Summary: Add additional column to histogram containing module@version Reviewed-by: sundar, gtriantafill

Merge

8153749: New capability can_generate_early_class_hook_events Summary: Add new capability Reviewed-by: alanb, dsamersoff

8155209: Move setting of young index in cset to G1CollectionSet Reviewed-by: sjohanss, ehelin

8154976: UseSharedSpaces error message is incomplete Reviewed-by: cjplummer, jiangli, mseledtsov

8155087: Calculation in other_time_ms() is incorrect Reviewed-by: tschatzl, ehelin

8155082: Refactor mutator region restriction Reviewed-by: mgerdin, tschatzl

Merge

8155224: Bring back version control history to g1Policy.hpp and g1DefaultPolicy.* Reviewed-by: pliden, mgerdin, sjohanss

8149442: MonitorInUseLists should be on by default, deflate idle monitors taking too long Summary: MonitorInUseLists on by default Reviewed-by: rbackman, mlarsson