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

8141496: BitMap set operations copy their other BitMap argument Reviewed-by: mgerdin, tschatzl

Merge

Merge

8155092: [TESTBUG] TestHumongousClassLoader.java needs UnlockDiagnosticVMOptions before WhiteBoxAPI Reviewed-by: tschatzl, dfazunen

Merge

8150601: Remove the old Hotspot build system Reviewed-by: ihse

Merge

Merge

8152844: JVM InstanceKlass Methods For Obtaining Package/Module Should Be Moved to Klass Summary: Converted package() and module() functions to pure virtual functions of Klass Reviewed-by: dholmes, coleenp, lfoltan, hseigel

8155100: AArch64: Relax alignment requirement for byte_map_base Reviewed-by: roland

Merge

8154719: JvmtiBreakpoint rename method print() to print_on() Reviewed-by: mlarsson, sla, sspitsyn

Merge

8153992: Some hotspot tests fail on compact2 due to an unnecessary test library dependency Summary: Removing unnecessary dependency on java.management from the ProcessTool.getProcessId() Reviewed-by: mchung

Merge

Merge

Merge

8154341: [TESTBUG] G1 stress test for humongous objects allocation Reviewed-by: jwilhelm, dfazunen

8154759: [TESTBUG] GC tests should be changed to be able to execute with -Xlog:all=trace. Reviewed-by: jmasa, dfazunen

8154843: GC tests should be correctly marked with @module Reviewed-by: jwilhelm, dfazunen

8155085: [ppc] Fix Type-O in "8154580: Save mirror in interpreter frame..." Reviewed-by: dholmes, mgerdin

8151556: Use the PreservedMarks* classes for the G1 preserved mark stacks Reviewed-by: tschatzl

8154153: PS: Restore preserved marks in parallel Summary: Restore preserved marks after evacuation failure in parallel using the PreservedMark infrastructure. Reviewed-by: tschatzl

8154379: MIN_STACK_SHADOW_PAGES should equal DEFAULT_STACK_SHADOW_PAGES on aarch64 Summary: Undid previous change that had set it to 1. Reviewed-by: enevill, adinn, aph

8154996: [aix] Implement compare_file_modified_times for "8146879: Add option ..." Reviewed-by: simonis

Merge

8154753: Turn G1Policy into an interface Reviewed-by: sjohanss, mgerdin

Merge

8154580: Save mirror in interpreter frame to enable cleanups of CLDClosure Summary: GC walks the mirror using OopClosure rather than using CLDClosure in oops_interpreted_do() Reviewed-by: dlong, twisti, stefank

Merge

8154957: AArch64: Better byte behavior Summary: The fix for 8132051 is needed for AArch64. Reviewed-by: roland

8017629: G1: UseSHM in combination with a G1HeapRegionSize > os::large_page_size() falls back to use small pages Reviewed-by: pliden, sjohanss, stuefe

Merge

8153549: [TESTBUG] remove obsolete runtime/SharedArchiveFile/BasicJarBuilder Summary: Removed the obsolete file, after ensuring no other jdk components depend on it Reviewed-by: iklam, lfoltan, hseigel, gtriantafill, ctornqvi

Merge

8154566: os_linux.cpp parse_os_info gives non descriptive output on current SLES releases Summary: For SuSE, read the first line of the /etc/xrelease file, also get PRETTY_NAME from /etc/os_release Reviewed-by: gthornbr, coleenp

Merge

8154921: Fix aix after "8146879: Add option for handling existing log files in UL" Summary: Rename os::fileno to os::get_fileno because AIX defines macro 'fileno'. Reviewed-by: coleenp

Merge

8154210: Zero: Better byte behaviour Summary: Complete support for 8132051 on Zero and fix failure on 64-bit big-endian systems Reviewed-by: andrew, chrisphi, coleenp

Merge

8154838: G1CardLiveData::free_large_bitmap() uses wrong calculation to determine the number of words Summary: Use the exact same calculation as G1CardLiveData::allocate_large_bitmap() in free_large_bitmap(). Reviewed-by: stefank, jmasa

Merge

8148195: Some InstanceKlass and MethodCounters fields can be excluded when JVMTI is not supported Summary: Removed "previous version", "cached class file", and breakpoint related fields and code when JVMTI is not supported Reviewed-by: coleenp, sspitsyn

Merge

Merge

Merge

8086068: VM crashes with "-Xint -XX:+UseCompiler" options Summary: Prevent incompatible compiler flag combination. Reviewed-by: zmajo, kvn, ddmitriev

8153292: AllocateInstancePrefetchLines>AllocatePrefetchLines can trigger out-of-heap prefetching Summary: Set the size of the reserved TLAB area to the MAX of both flags. Reviewed-by: kvn, thartmann

8154145: Missing klass/method name in stack traces on error Reviewed-by: stefank, cjplummer

8154537: AArch64: some integer rotate instructions are never emitted Reviewed-by: aph, adinn, kvn

Merge

8153756: jdk.vm.ci should not depend on sun.misc ( jdk.unsupported module ) Reviewed-by: twisti

8153998: Masked vector post loops Summary: Masked vectorization for post loops to execute in a single iteration in place of fixup scalar loops which used to take many iterations to complete work for user loops. Reviewed-by: twisti, kvn

Merge

8154174: Improve JitTester performance Reviewed-by: iignatyev

8154135: Loop alignment may be added inside the loop body Reviewed-by: kvn, vlivanov

8153357: C2 creates incorrect cast after eliminating phi with unique input Summary: Refine C2's logic to determine the type of cast node added. Reviewed-by: kvn

8072428: Enable UseLoopCounter ergonomically if on-stack-replacement is enabled Summary: Set UseLoopCounter ergonomically if on-stack-replacement is enabled. Print warning. Reviewed-by: kvn