Merge

8151003: Remove nds->is_valid() checks from assembler_x86.cpp Reviewed-by: kvn

8151573: Multiversioning for range check elimination Summary: range check elimination in post loops Reviewed-by: kvn

8151724: Remove -XX:GenerateCompilerNullChecks Summary: Removed the broken GenerateCompilerNullChecks flag. Reviewed-by: zmajo, kvn

Merge

8067247: Crash: assert(method_holder->data() == 0 ...) failed: a) MT-unsafe modification of inline cache Summary: Made invoker LambdaForm instance & its compiled form lifetime tightly coupled. Reviewed-by: vlivanov

8074553: Crash with assert(!is_unloaded()) failed: should not call follow on unloaded nmethod Summary: Sweeper thread needs to override nmethods_do() to prevent G1 from unloading _scanned_nmethod. Reviewed-by: kvn, mgerdin

8072422: Cleanup: Remove some unused flags/code in loop optimizations Summary: Remove unused flags, change test using them. Reviewed-by: kvn, twisti

8153315: [JVMCI] evol_method dependencies failures should return dependencies_failed Reviewed-by: iveresov

8138798: improve tests for HotSpotVMEventListener::notifyInstall Reviewed-by: twisti

8151828: Jittester: array creation node handled inproperly in source code visitor for non-int numerical arrays Reviewed-by: iignatyev

Merge

8150690: C++11 user-defined literal syntax in jvmciCompilerToVM.cpp. Summary: Changes done for - 'C++11 requires a space between literal and identifier'. Reviewed-by: twisti

8144964: JVMCI compilations need to be disabled until the module system is initialized Reviewed-by: kvn

8152024: MemoryAccessProvider javadoc should be modified Reviewed-by: kvn, twisti

8152023: MethodHandleAccessProvider.resolveLinkToTarget throws NPE/IAE on null/wrong argument Reviewed-by: kvn, twisti

8152022: JVMCI: MethodHandleAccessProvider.resolveInvokeBasicTarget throws NPE on null first argument Reviewed-by: kvn, twisti

8152021: MethodHandleAccessProvider.lookupMethodHandleIntrinsic throws NPE on null argument Reviewed-by: kvn, twisti

Merge

8152172: PPC64: Support AES intrinsics Reviewed-by: kvn, mdoerr, simonis Contributed-by: horii@jp.ibm.com

8153172: aarch64: hotspot crashes after the 8.1 LSE patch is merged Summary: Fix scratch register usage in C1 atomic_op to avoid unpredictable instruction Reviewed-by: aph Contributed-by: felix.yang@linaro.org

8136798: TestMonomorphicObjectCall.java fails with compilation error Summary: Refactored test to work with Jake. Reviewed-by: kvn, zmajo

8148639: Some MethodCounter fields can be excluded when not including C2 Summary: Removed _interpreter_invocation_count and _interpreter_throwout_count fields for C1 Reviewed-by: kvn, coleenp

8152840: aarch64: improve _unsafe_arraycopy stub routine Summary: aarch64: improve StubRoutines::_unsafe_arraycopy stub routine Reviewed-by: aph

8152537: aarch64: Make use of CBZ and CBNZ when comparing unsigned values with zero. Summary: aarch64: c2 make use of CBZ and CBNZ when comparing unsigned values with zero. Reviewed-by: aph

8151775: aarch64: add support for 8.1 LSE atomic operations Reviewed-by: aph

8153816: [BACKOUT] Make intrinsics flags diagnostic Summary: Backout fix for 8145348 Reviewed-by: kvn, jwilhelm

Merge

8153671: Quarantine serviceability/tmtools/jstack/JstackThreadTest.java until JDK-8153319 is fixed Reviewed-by: jprovino, dcubed

Merge

8152188: Allow CMSBitMapYieldQuantum for BitMap::clear_range and clear_large_range Summary: Let BitMap::clear_large_range call clear_range instead of firing an assert Reviewed-by: jmasa, jwilhelm

8153300: [TESTBUG] Enhance test/testlibrary/ClassFileInstaller.java to support JAR files Reviewed-by: lfoltan, mseledtsov

8153117: Back out JDK-8142935 until JDK-8152723 fixed Summary: JDK-8142935 fix can lead to avoidable Full GCs Reviewed-by: jwilhelm, tschatzl Contributed-by: tom.benson@oracle.com

8153026: Change logging tag 'verboseverification' to 'verification' Summary: Changed UL tag to 'verification' Reviewed-by: hseigel, lfoltan

8153176: ParOldGC: Use correct TaskQueueSet for ParallelTaskTerminator in marking. Reviewed-by: mgerdin, tschatzl Contributed-by: richard.reingruber@sap.com

Merge

8151499: gc/g1/g1OopClosures.inline.hpp: assert(_from->is_in_reserved(p)) failed: p is not in from Summary: Fix wrong assertion. Reviewed-by: tbenson, shade

Merge

8153396: Remove unused ResourceMarks from UL internal vm tests Reviewed-by: stefank, brutisso

8152711: Create a non-template Log wrapper class Reviewed-by: kbarrett, rehn

8152637: Create a stack allocatable LogStream class Reviewed-by: rehn, brutisso

8152929: Remove UNSUPPORTED_GC_OPTION, use UNSUPPORTED_OPTION instead Reviewed-by: brutisso, jmasa

Merge

8152358: code and comment cleanups found during the hunt for 8077392 Reviewed-by: gthornbr, kvn, cvarming

8077392: Stream fork/join tasks occasionally fail to complete 8131715: backout the fix for JDK-8079359 when JDK-8077392 is fixed Summary: Add missing BasicLock::_displaced_header init to ObjectSynchronizer::quick_enter() and re-enable Contended Locked "fast enter" bucket. Reviewed-by: gthornbr, dholmes, kvn, cvarming, acorn

8153437: Temporary exclude AllocatePrefetchDistance from testing Reviewed-by: dcubed

8132524: Missing includes to resourceArea.hpp Summary: Files that use ResourceMark are missing the include of resourceArea.hpp Reviewed-by: tschatzl, jwilhelm

8153254: Delegate (v)write from Log to LogTagSet Reviewed-by: stefank, kbarrett

Merge

8152635: Create a UL class to represent a Log + Level combination Reviewed-by: brutisso, mlarsson, rehn

8151460: Metaspace counters can have inconsistent values Reviewed-by: jmasa, pliden

Merge

8152632: Rename LogHandle(...) to Log(...) Reviewed-by: brutisso, mlarsson, rprotacio

8152538: UL doesn't inline the LogTagSet::is_level check Reviewed-by: mlarsson, brutisso

Merge

8153174: Remove trailing comma from log configuration listings Reviewed-by: rehn, sla

8153203: Remove liveRange.hpp Reviewed-by: mgerdin, jwilhelm

Merge

Merge

8153302: [BACKOUT] STW phases at Concurrent GC should count in PerfCounter Reviewed-by: jmasa, jwilhelm

8153201: TestOptionsWithRanges fails with -XX:OldPLABSize=2147483648 Summary: Add parallel gc into min/max PLAB constraint function Reviewed-by: brutisso, tbenson

8152176: Big ParGCCardsPerStrideChunk values can cause overflow for CMS GC Summary: Limit the max value of ParGCCardsPerStrideChunk based on card table size and other stride flags Reviewed-by: jmasa, tbenson

8148397: Create new tests for IHOP Reviewed-by: tschatzl, dfazunen

Merge

8153193: Missing includes in gc/g1/heapRegionBounds.hpp Reviewed-by: jwilhelm, brutisso

8153182: GC ID prefix for gc, humongous log messages are missing Reviewed-by: mgerdin, brutisso

8148099: Improve memory access to FromCardCache during GC Summary: Transpose the FromCardCache data array so the access during GC is linear instead of element-by-element with stride. Reviewed-by: mgerdin, brutisso

8151442: jstack doesn't close quotation marks properly with threads' name greater than 1996 characters Reviewed-by: dsamersoff, kevinw

8153188: Use log_error(gc, verify) for logging in verification code Reviewed-by: mgerdin, tschatzl

8153187: Convert TraceWorkGang to use unified logging Reviewed-by: mgerdin, tschatzl

8153186: Convert TraceGCTaskThread to use unified logging Reviewed-by: mgerdin, tschatzl

Merge

8150899: [TESTBUG] Split hotspot_all job into smaller jobs Reviewed-by: gtriantafill, iignatyev

Merge

8075253: Multiversion JAR feature: CDS does not support MV-JARs Summary: handle "Multi-Release" jar during CDS dump time Reviewed-by: jiangli, iklam, minqi, redestad

Merge

8151674: STW phases at Concurrent GC should count in PerfCounter Reviewed-by: jmasa, sla, tschatzl

Merge

8145235: Deprecate product flags that have been converted to Unified Logging Summary: Added deprecation message/mechanism for product flags aliased to Unified Logging options Reviewed-by: mockner, coleenp, ddmitriev, mlarsson

Merge

8152952: Allow G1 phase logging to use individual number of threads Reviewed-by: tschatzl, jmasa

Merge

8143958: CDS Shared flags need constraint function Summary: Implement range constraints for CDS flags. Reviewed-by: iklam, jiangli

Merge

8150973: Hotspot agent use of sun.boot.class.path needs to be updated for Jigsaw Summary: remove the code Reviewed-by: alanb, sspitsyn

8153065: "Preserve CM refs" log message disconnected from "Parallel Preserve CM refs" Summary: Bring the log messages into the correct order again. Reviewed-by: mgerdin

8142510: -XX:+PrintFlagsRanges should print default range value for those flags that have constraint and an implicit range. Summary: Implemented default ranges for flags with constraints and no explicit ranges Reviewed-by: ddmitriev, coleenp

8152422: Optimize GC JPRT test set Reviewed-by: sjohanss, pliden

8152916: ostream has unnecessary dependency on GCId Summary: Removed unneeded #includes and forward class declaration. Reviewed-by: pliden, rehn, brutisso, mgerdin

Merge

Merge

8150084: Convert TraceMonitorMismatch to Unified Logging. Summary: TraceMonitorMismatch has been converted to Unified Logging. Reviewed-by: coleenp, rprotacio

8149996: TraceLoaderConstraints has been converted to Unified Logging. Summary: TraceLoaderConstraints has been converted to Unified Logging. Reviewed-by: coleenp, dholmes, rprotacio

8151993: Remove inclusion of inline.hpp in log.hpp Reviewed-by: kbarrett, stefank

8151438: UL instantiates duplicate tag sets Reviewed-by: brutisso, stefank

8068579: Running with -XX:-UseParallelGC does not turn ParalleGC off Reviewed-by: jmasa, dfazunen, brutisso

8152380: Shared symbol table should never use alternate hashcode Reviewed-by: coleenp, jiangli

8151670: Unexpected concurrent refinement deactivation and reactivation Summary: Refinement threads now use SuspendibleThreadSet::yield. Reviewed-by: jmasa, mgerdin

8078112: [TESTBUG] Integrate Selection/Resolution test suite into jtreg tests Reviewed-by: ctornqvi, acorn Contributed-by: eric.mccorkle@oracle.com

8151991: jvmti diagnostics commands requires INCLUDE_SERVICES Summary: guard jvmti diagnostic commands by appropriate defines Reviewed-by: sspitsyn, dholmes, gadams

8152160: SIGFPE in CompactibleFreeListSpaceLAB::compute_desired_plab_size Summary: Rephrase the calculation with CMSOldPLABNumRefills to avoid an overflow Reviewed-by: pliden, jmasa

Merge

8060463: ParNew: SurvivorAlignmentInBytes greater then YoungPLABSize cause assert(obj != NULL || plab->words_remaining() < word_sz) failed: Else should have been able to allocate Reviewed-by: sangheki, tschatzl, mchernov

Merge

8146947: Remove PrintOopAddress rather than converting to UL Summary: Deprecated PrintOopAddress and made functionality default Reviewed-by: coleenp, stefank

Merge

8152196: SuspendibleThreadSet::yield scales poorly Summary: Use semaphore to wake up VM thread on last suspendible leave/yield. Reviewed-by: mgerdin, drwhite

Merge

8143269: Refactor code in universe_post_init that sets up methods to upcall Summary: Deferred code review cleanups Reviewed-by: dholmes, hseigel

Merge

8140665: SIGSEGV when a primitive type's class is used as the host class in a call to DefineAnonymousClass call Summary: Instead of assertng, throw an exception Reviewed-by: acorn, coleenp

Merge

Merge

8149662: Refactor hotspot/test/gc/g1/plab/lib/LogParser.java Reviewed-by: tschatzl, dfazunen

8152400: Enabling TASK_STATS_ONLY filters out just enabled messages anyway Summary: If TASK_STATS_ONLY is enabled, do not require a develop build to print messages. Reviewed-by: pliden, tbenson

Merge

Merge

8148659: Add all option to JSnap Reviewed-by: dsamersoff

8149023: Event based tracing should cover safepoint begin and end Summary: Add events to safepoint begin and end Reviewed-by: dholmes, mgronlun, egahlin

8152119: Event-based tracing to allow for tracing Klass definition Reviewed-by: dholmes, egahlin

Merge

8146632: Add descriptive error messages for removed non-product logging flags. Summary: Added table with removed non-product flags and error messages. Reviewed-by: dholmes, coleenp, hseigel

8144940: Broken hash in string table entry in closed/runtime/7158800/BadUtf8.java Summary: Fix code broken with compact Strings. Reviewed-by: iklam, thartmann, hseigel, jiangli

8152300: Convert G1_ALLOC_REGION_TRACING to unified logging Reviewed-by: sjohanss, stefank

8142935: Adding old gen regions does not consider available free space Summary: Track live data size as added to cset during mixed GCs Reviewed-by: kbarrett, drwhite Contributed-by: tom.benson@oracle.com

Merge

8152120: TLAB compute_size() should not allow any size larger than max_size Summary: Limit TLAB compute_size() to be less than or equal to TLAB max Reviewed-by: sjohanss, jmasa

Merge

8146436: Add -XX:-ShrinkHeapInSteps option (previously -XX:+UseAggressiveHeapShrink) Summary: Added ShrinkHeapInSteps option. Reviewed-by: jmasa, tbenson

8149343: assert(rp->num_q() == no_of_gc_workers) failed: sanity Reviewed-by: tschatzl, kbarrett

Merge

8150648: Re-enable TestPLABResize.java after JDK-8150183 is fixed Reviewed-by: tschatzl

Merge

8150015: Integrate TraceTime with Unified Logging more seamlessly Reviewed-by: coleenp, dholmes

Merge

8148759: G1AllocRegion::_count inconsistently used if more than one context is active Reviewed-by: sjohanss, jwilhelm, tschatzl

8152101: Move G1 concurrent refinement adjustment code out of G1CollectorPolicy Reviewed-by: jmasa, jwilhelm, kbarrett

8152118: MinTLABSize should be less than TLAB max Summary: Add a constraint for MinTLABSize to be less than or equal to TLAB max Reviewed-by: brutisso, drwhite, jmasa

Merge

Merge

Merge

Merge

8152065: TraceBytecodes breaks the interpreter expression stack Summary: Move trace_bytecode to InterpreterRuntime and make trace_bytecode an IRT_LEAF so that safepoints are not allowed. Reviewed-by: jiangli, dholmes, dcubed

8151845: Comment in globals.hpp for MetaspaceSize is incorrect. Reviewed-by: drwhite, stefank

8152185: ReferencePendingListLocker incorrectly assumes that the lock is never taken recursively Reviewed-by: stefank, sjohanss

8152113: Remove _last_ditch_collection GC-cause and avoid expanding heap on Metaspace OOM Reviewed-by: brutisso, jwilhelm

Merge

8152104: G1 StringTable cleaning incorrectly logs with the stringdedup tag Reviewed-by: mgerdin, jwilhelm, sjohanss

8152100: Rework and unify the GC phase logging Reviewed-by: sjohanss, jwilhelm

8152086: Remove SpaceMangler::mangle_region logging Reviewed-by: brutisso, tschatzl

8151808: Factor G1 heap sizing code out of the G1CollectorPolicy Reviewed-by: tbenson, jwilhelm

8151637: Move CollectionSetChooser rebuild code into CollectionSetChooser Reviewed-by: jmasa, tschatzl

Merge

8152007: Add the thread to the GCPhase trace events Reviewed-by: tschatzl, brutisso

8027423: Parallel compact GC class unloading measurement includes symbol and string table time Reviewed-by: mgerdin, jmasa

8026720: Remove the unused SpaceManager::mangle_freed_chunks Reviewed-by: mgerdin, tschatzl, vlivanov

Merge

8151085: Change G1 concurrent timer and tracer measuring time Summary: Change measuring time for G1 concurrent phases and reporting heap summary Reviewed-by: brutisso, sjohanss

Merge

8151560: Safepoint logging has mismatch between command line level and printed level Summary: Corrected mistaken "debug" level to "trace" Reviewed-by: hseigel, jiangli, dholmes

8151711: Move G1 number sequences out of the G1 collector policy Reviewed-by: tbenson, ehelin

Merge

8151656: Minor tweaks to old Hotspot build to ease comparison with new Reviewed-by: dholmes, twisti

Merge

8151920: Region liveness printing is broken Summary: Remove obsolete code that causes an assert. Reviewed-by: drwhite, brutisso

8151601: Cleanup locking of the Reference pending list Reviewed-by: brutisso, stefank

Merge

Merge

8151912: guarantee(GCPauseIntervalMillis >= 1) failed: Constraint for GCPauseIntervalMillis should guarantee that value is >= 1 Reviewed-by: tbenson, tschatzl

Merge

Merge

8151614: Improve logging in concurrent mark code Summary: Move detailed concurrent mark phase logging to "gc, marking" tags and add a summary "Concurrent Cycle" log message when only using "gc" logging. Reviewed-by: sangheki, brutisso

8151126: Clean up duplicate code for clearing the mark bitmaps Summary: Merge the code to clear the mark bitmap concurrently and in the STW pause. Reviewed-by: jmasa, tbenson

Merge

8151336: Root region scanning should be cancelled and disabled when the ConcurrentMarkThread::run_service() exits Reviewed-by: pliden, tschatzl

Merge

Merge

8151509: In check_addr0() function pointer is not updated correctly Reviewed-by: dholmes, ddmitriev, stuefe Contributed-by: cheleswer.sahu@oracle.com

Merge

8151653: Hotspot build does not respect --enable-openjdk-only Reviewed-by: tbell, dholmes

Merge

8148425: strerror() function is not thread-safe Reviewed-by: dholmes, coleenp

8151781: DirtyCardQueue::apply_closure is unused Summary: Remove dead code, followup cleanups. Reviewed-by: brutisso, pliden

Merge

8150085: Convert TraceClearedExceptions to Unified Loggin Summary: Converted -XX:+TraceClearedExceptions to -Xlog:exceptions=debug Reviewed-by: mockner, dholmes, coleenp

Merge

8151264: Add a notification mechanism for UL configuration changes. Reviewed-by: dholmes, mlarsson

Merge

8151539: Remove duplicate AlwaysTrueClosures Reviewed-by: tschatzl, mgerdin, kbarrett, drwhite

Merge

8148239: TestSelectDefaultGC.java incorrectly expects G1 on non-server class machines Reviewed-by: brutisso, kzhaldyb

8062506: Java GCCause enum is out of sync with C++ GCCause enum Reviewed-by: stefank, tschatzl

Merge

8151709: jhsdb should show help message in SALauncher. Reviewed-by: dsamersoff

Merge

8151842: Local variables have wrong names after JDK-8148736 Reviewed-by: kbarrett, jprovino, tschatzl

Merge

8137165: Tests fail in SR_Handler because thread is not VMThread or JavaThread Reviewed-by: kbarrett

8151534: Refactor ArrayAllocator for easier reuse Reviewed-by: tschatzl, brutisso

Merge

8149995: TraceClassLoadingPreorder has been converted to Unified Logging. Summary: TraceClassLoadingPreorder has been converted to Unified Logging. Logging alias table now has extra columns to support multi-tag configurations. Reviewed-by: iklam, coleenp

Merge

8151593: Cleanup definition/usage of INLINE/NOINLINE macros and add xlC support Reviewed-by: coleenp, stuefe Contributed-by: matthias.baesken@sap.com

Merge

8151181: Add JSnap to jhsdb Reviewed-by: dsamersoff

Merge

8067768: Check for too small values for -Xmx Reviewed-by: jwilhelm, dfazunen

Merge

8151368: SA: Unexpected ArithmeticException in CompactHashTable Summary: Add missed null check Reviewed-by: iklam, dsamersoff Contributed-by: kubota.yuji@gmail.com

8151696: Print all regions on trace level to get same behavior as old PrintHeapAtGCExtended Reviewed-by: brutisso, jwilhelm

8151693: Move print_heap_before/after_gc to debug level Reviewed-by: brutisso, jwilhelm

Merge

8151728: jni test crashes JVM assert(_handle != __null) failed: resolving NULL handle Summary: New assert needs to check for null. Reviewed-by: hseigel, gtriantafill

8140257: Add support for "gc service threads" to ConcurrentGCThread Summary: Push up the common run() and stop() methods from subclasses to ConcurrentGCThread, as well as declaration iof run_service() stop_service(). Reviewed-by: kbarrett, pliden

8151604: Rely on options range checking rather than explict checks Reviewed-by: jwilhelm, drwhite, sangheki

Merge

8146551: The output from classresolve tag has been shortened and moved to debug level. Summary: The output from classresolve tag has been shortened and moved to debug level. Reviewed-by: coleenp, rprotacio

Merge

8151265: Add a way to extend UL tags Reviewed-by: dholmes, kbarrett

8151304: Remove unused develop options(ClearInterpreterLocals and others) Reviewed-by: coleenp, jwilhelm

Merge

8151605: Change warning() to log_warning(gc) in the GC code Reviewed-by: jwilhelm, jmasa

8151602: Remove logging from refillLinearAllocBlockIfNeeded() Reviewed-by: tschatzl, sjohanss

8151603: Use error stream instead of tty for logging before ShouldNotReachHere() Reviewed-by: mgerdin, sjohanss

8151633: Don't keep copies of the survivor lists and counts in the G1CollectorPolicy Reviewed-by: tbenson, tschatzl

Merge

8150952: Net PLAB size is clipped to max PLAB size as a whole, not on a per thread basis Summary: Bound PLAB size when handing out PLAB sizes, not before. Reviewed-by: drwhite, jwilhelm

8134749: SoftReferences declared dead too early Reviewed-by: jmasa, tbenson

Merge

8150676: Use BufferNode index Summary: Maintain index and use it, removing extra checks for or stores of NULL. Reviewed-by: jmasa, tschatzl

8150778: Reduce Throwable.getStackTrace() calls to the JVM Summary: replace JVM_GetStackTraceDepth and JVM_GetStackTraceElement, with JVM_GetStackTraceElements that gets all the elements in the StackTraceElement[] Reviewed-by: shade, mchung, dholmes, hseigel

Merge

8145908: [Newtest] Multi-threading stress test for G1 Remembered Sets Reviewed-by: tschatzl, mchernov

8150183: gc/g1/plab/TestPLABResize.java - previous PLAB size should be less than current Reviewed-by: jmasa, dfazunen

Merge

8151440: Move BitMap verfication inline functions out from bitMap.hpp Reviewed-by: tschatzl, pliden, kbarrett

8151439: Inline the BitMap constructor Reviewed-by: tschatzl, pliden, kbarrett

8151436: Leaner ArrayAllocator and BitMaps Reviewed-by: tschatzl, pliden, kbarrett

8150617: nth_bit and friends are broken Reviewed-by: shade, tschatzl, vlivanov

8151514: Remove the noisy NOISY debugging code from parCardTableModRefBS.cpp Reviewed-by: tschatzl, pliden