8166848: Performance bug: SystemDictionary - optimization Summary: Check instead that a bucket isn't 10x the average Reviewed-by: iklam, gziemski, sspitsyn

8180175: ObjectSynchronizer only needs to iterate in-use monitors Summary: When using -XX:+MonitorInUseLists, then only iterate in-use monitors. Reviewed-by: zgu, dholmes, rehn

8180482: Reformat -XX:+PrintSafepointStatistics table Reviewed-by: dholmes

Merge

Merge

8180479: [TESTBUG] Some hotspot tests broken after internal Unsafe name changes Reviewed-by: thartmann

8180423: Remove flag UseRelocIndex Reviewed-by: kvn, thartmann

8152295: Redundant CLCs for classes resolved in both loaders Summary: Don't record loader constraints if both class loader classes are the same Reviewed-by: coleenp, vlivanov, gtriantafill, lfoltan

Merge

Merge

8179954: AArch64: C1 and C2 volatile accesses are not sequentially consistent Reviewed-by: roland

8180325: Use ClassLoaderData::classes_do for CDS classes Summary: Use closures and ClassLoaderData::classes_do instead of SystemDictionary::classes_do Reviewed-by: iklam, jiangli

8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization Summary: Allow defining of boot loader modules after initialization but add locks to synchronize access to exploded build list Reviewed-by: dholmes, lfoltan

8179903: Clean up SPARC 32-bit support Reviewed-by: gthornbr, fparain

8180181: Get rid of FAST_DISPATCH from interpreter Reviewed-by: coleenp, tschatzl

8179769: serviceability/sa/TestCpoolForInvokeDynamic.java failing after changes for JDK-8171392 Summary: Updated SA Java code to match HotSpot C code. Reviewed-by: sspitsyn, coleenp

8180267: Update Graal Reviewed-by: iveresov

Merge

8177764: Humongous Reclaimed log output may be confusing Summary: Make all log messages dealing with humongous reclaim report number of handled objects, not regions. Reviewed-by: pliden, sjohanss

8166191: Missing spaces in log message during heap expansion Reviewed-by: tschatzl Contributed-by: chihiro.ito@oracle.com

8178813: Add test for G1 pre-barrier on dereference of weak JNI handles Summary: Add regression test. Reviewed-by: mgerdin, tschatzl, pliden

8180003: Remove sys/ prefix from poll.h and signal.h includes Reviewed-by: dholmes, bpb

8179930: jdk.test.lib.artifacts.ArtifactResolver::resolve should return Map instead of HashMap Reviewed-by: mseledtsov, gtriantafill, vlivanov

8180036: Guard include of fpu_control.h Reviewed-by: dholmes

8180039: Use more portable print format/arguments for rlim_t Reviewed-by: dholmes, mgerdin, stuefe

Merge

8167659: Access of mark word should use oopDesc::mark_offset_in_bytes() instead of '0' Summary: Use oopDesc::mark_offset_in_bytes() when addressing mark word, instead of '0'. Reviewed-by: dholmes, coleenp

8153646: Move vm/utilities/array.hpp to vm/oops Summary: Move the header file and update the appropriate #include statements. Reviewed-by: sspitsyn, dholmes

8065402: G1 does not expand marking stack when mark stack overflow happens during concurrent marking Summary: Simplified decision mechanism for marking stack expansion Reviewed-by: kbarrett, tschatzl

8179550: Unify trace logging for InstanceRefKlass Reviewed-by: kbarrett, tschatzl

8138888: Remove ExtendedOopClosure::apply_to_weak_ref_discovered_field Reviewed-by: kbarrett, tschatzl

8154791: Xlog classload too redundant msgs info/debug Summary: Removed redundant information from class+load UL messages, ensured side-by-side printing of different levels for same class, cleaned up code Reviewed-by: iklam, dholmes

8178836: Improve PtrQueue index abstraction Summary: Prefer element indexes where possible. Reviewed-by: shade, mgerdin

8175813: PPC64: "mbind: Invalid argument" when -XX:+UseNUMA is used Reviewed-by: simonis, dholmes

8179656: [AOT] Add AOT manual test scripts Reviewed-by: iveresov

8178811: Minimize the AVX <-> SSE transition penalty through generation of vzeroupper instruction on x86 Reviewed-by: kvn

Merge

8164563: Test nsk/jvmti/CompiledMethodUnload/compmethunload001 keeps reporting: PRODUCT BUG: class was not unloaded in 5 Summary: Removed _pending_list Reviewed-by: dholmes, sspitsyn, dcubed, coleenp

8179004: Add an efficient implementation of the "count trailing zeros" operation Summary: Added count_trailing_zeros function, with platform-dependent implementations. Reviewed-by: dholmes, cjplummer

Merge

8176863: Remove Hashtable::reverse() Reviewed-by: hseigel, sspitsyn, coleenp

8067728: Flag::unlock_diagnostic() should be called Flag::clear_diagnostic() Summary: Renamed function Reviewed-by: iklam, hseigel

8169697: AArch64: Vectorized MLA instruction not generated for some test cases Summary: Add AddVB/S/I/L/F/D node to commut_op_list, as well as other commutative vector operations. Reviewed-by: roland, kvn Contributed-by: yang.zhang@linaro.org

Merge

8056900: Enhance NoClassDefFound exception messaging Summary: Add text to the message explaining the cause of the exception Reviewed-by: dholmes, sspitsyn, coleenp

8179625: [BACKOUT] of 8179305 Avoid repeated calls to JavaThread::last_frame in InterpreterRuntime Reviewed-by: hseigel

8169039: Add unit tests for BitMap search operations Summary: Added native unit test test_bitMap_search.cpp Reviewed-by: stefank, sjohanss

8178352: BitMap::get_next_zero_offset may give wrong result on Mac Summary: Invert and search initial word for trailing ones. Reviewed-by: stefank, cjplummer

8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only Summary: Added _resolved_klasses; moved _resolved_references to ConstantPoolCache, etc. Reviewed-by: coleenp, lfoltan, simonis, aph

Merge

8172970: TESTBUG: need test coverage for the JVMTI functions allowed in the start phase Summary: New JTreg test provides the necessary coverage during the start phase Reviewed-by: dholmes, dcubed

8179305: Avoid repeated calls to JavaThread::last_frame in InterpreterRuntime Summary: Added LastFrameAccessor class Reviewed-by: dlong, dholmes

8178542: G1: VM hangs during shutdown due to mark stack overflow Summary: Removed not needed call to clear_has_overflown() to avoid inconsistent state Reviewed-by: kbarrett, sangheki

8179019: Correct range checks for command-line options ArraycopySrcPrefetchDistance and ArraycopyDstPrefetchDistance Summary: Update constraint for the command-line options. Change stubs to use register values instead of immediates. Reviewed-by: kvn

Merge

8179235: PackageEntryTables should be created eagerly Summary: Create the PackageEntryTables in the constructor for ClassLoaderData. Reviewed-by: dholmes, sspitsyn

Merge

8177958: Possible uninitialized char* in vm_version_solaris_sparc.cpp Reviewed-by: shade, dholmes, kevinw

8179243: [TESTBUG] CDS tests should be excluded from running with -UseCompressedOops Summary: Used at-requires statements to exclude the affected tests Reviewed-by: dholmes, jiangli, sspitsyn

8179224: Cache strlen of Flag::_name Reviewed-by: dsamersoff, jiangli, iklam, rehn