Merge

8139651: ConcurrentG1Refine uses ints for many of its members that should be unsigned types Summary: ints need to be changed to size_t Reviewed-by: kbarrett, tbenson

Merge

8150629: Initializing all ParScanThreadStates causes significant unaccounted "Other" times Summary: Lazily allocate ParScanThreadStates within the worker threads instead of doing this work upfront serially. Reviewed-by: mgerdin, jmasa

8150630: Add logging for ParScanThreadState merge phase Summary: Improve visibility of the per-thread scan state merge phase by adding appropriate logging. Reviewed-by: jmasa, tbenson

8076463: Add logging for the preserve CM referents task Summary: Add logging and do minor refactoring to CM referents handling task. Reviewed-by: jmasa

8140777: Make Adaptive IHOP logging information the same as JFR logging Reviewed-by: tbenson, jmasa

8150390: Move rs length sampling data to the sampling thread Reviewed-by: drwhite, jwilhelm

8150103: Convert TraceClassPaths to Unified Logging Summary: TraceClassPaths has been reimplemented with Unified Logging Reviewed-by: coleenp, dholmes, iklam

8134992: vm/gc/compact/Compact_InternedStrings_Strings failed due to a malloc() failure Reviewed-by: mgerdin, brutisso

Merge

8150490: Update OS detection code to recognize Windows Server 2016 Reviewed-by: mgronlun, alanb, dholmes

Merge

8150426: Wrong cast in metadata_at_put Summary: Fix cast. Reviewed-by: dholmes, coleenp, jprovino Contributed-by: timo.kinnunen@gmail.com

Merge

8150506: Remove unused locks Reviewed-by: mgronlun, tschatzl, mgerdin, coleenp

Merge

8149036: Add tracing for thread related events at os level Reviewed-by: coleenp, mlarsson, dholmes

8150419: Cleanup BufferNode API Summary: Fewer public functions, cleanup allocation. Reviewed-by: tschatzl, drwhite

8149743: JVM crash after debugger hotswap with lambdas Reviewed-by: sspitsyn, coleenp, dcubed

Merge

8151157: Quarantine test/compiler/unsafe/UnsafeGetStableArrayElement.java Reviewed-by: zmajo, thartmann

8151130: [BACKOUT] Remove Method::_method_data for C1 Summary: Backing out the fix for JDK-8147978 because it fails and blocks integration. Reviewed-by: vlivanov, zmajo

8151020: [TESTBUG] UnsafeGetStableArrayElement::testL_* fail intermittently Reviewed-by: zmajo, shade

8151017: [TESTBUG] test/compiler/c1/CanonicalizeArrayLength does not work on product builds Reviewed-by: thartmann, zmajo

Merge

8134119: Use new API to get cache line sizes Summary: Using new sysconf and sysinfo API on Solaris 12, avoid using libpicl and libkstat. Reviewed-by: kvn

8147978: Remove Method::_method_data for C1 Summary: Method::_method_data field removed when not using C2 or JVMCI Reviewed-by: dholmes, kvn

Merge

8150727: [JVMCI] add LoadLoad to the implicit memory barriers on AMD64 Reviewed-by: rschatz, twisti Contributed-by: Benoit Daloze <benoit.daloze@jku.at>

8150933: System::arraycopy intrinsic doesn't mark mismatched loads Reviewed-by: kvn, shade

8150229: aarch64: pipeline class for several instructions is not set correctly Summary: aarch64: c2 fix pipeline class for several instructions. Reviewed-by: aph Contributed-by: felix.yang@linaro.org

8149907: aarch64: use load/store pair instructions in call_stub Summary: aarch64: make use of load/store pair instructions in call_stub to save space Reviewed-by: aph Contributed-by: felix.yang@linaro.org

8150038: aarch64: make use of CBZ and CBNZ when comparing narrow pointer with zero Summary: aarch64: c2 make use of CBZ and CBNZ when comparing narrow pointer with zero Reviewed-by: aph Contributed-by: felix.yang@linaro.org

8149733: AArch64: refactor array_equals/string_equals Summary: combine similar code for string_equals/char_array_equals/byte_array_equals into same implemenation Reviewed-by: aph, shade

8150543: Mismatched access detection is inaccurate Reviewed-by: kvn, shade

8150720: Cleanup code around PrintOptoStatistics Reviewed-by: kvn, shade, vlivanov

8150349: Reduce the execution time of the hotspot_compiler_3 group Summary: Exclude long-running intrinsic-related tests that check functionality that is not likely to be changed soon. Reviewed-by: kvn, neliasso

Merge

8150738: [JVMCI] runtime/CommandLine/TraceExceptionsTest.java fails with: java.lang.RuntimeException: '<a 'java/lang/ClassNotFoundException': NoClassFound>' missing Reviewed-by: coleenp

8068038: C2: large constant offsets aren't handled on SPARC Reviewed-by: kvn

8150436: Incorrect invocation mode when linkToInteface linker is eliminated Reviewed-by: kvn, shade

8150186: Folding mismatched accesses with @Stable is incorrect Reviewed-by: kvn, jrose, shade

8150561: [AArch64] JVMCI improvements Reviewed-by: kvn

Merge

Merge

8150045: arraycopy causes segfaults in SATB during garbage collection Reviewed-by: roland

8150534: C1 compilation fails with "Constant field loads are folded during parsing" Reviewed-by: vlivanov, thartmann

Merge

8069160: serviceability/dcmd/compiler/CompilerQueueTest.java fails due to class not found Summary: Use whitebox to test specific cases making test less fragile Reviewed-by: kvn

8149789: SIGSEGV in CompileTask::print Summary: Print tasks from active compile threads requires safepoint Reviewed-by: kvn

8148159: [TESTBUG] TestCompilerDirectivesCompatibility tests fails on non-tiered server VMs Summary: Add whitebox for checking available compilers Reviewed-by: kvn

8150441: CompileTask::print_impl() is broken after JDK-8146905 Summary: Timestamps should be explicitly initialized. Reviewed-by: dholmes

Merge

8148353: [linux-sparc] Crash in libawt.so on Linux SPARC Summary: gcc expects clean 32 bit int in 64 bit register on function entry Reviewed-by: kvn, dlong

8150514: C1 crashes in Canonicalizer::do_ArrayLength() after fix for JDK-8150102 Reviewed-by: thartmann, vlivanov

8148146: Integrate new internal Unsafe entry points, and basic intrinsic support for VarHandles Reviewed-by: psandoz, kvn, jrose, adinn, simonis, coleenp

8007986: GrowableArray should implement binary search Summary: binary search method for GrowableArray Reviewed-by: vlivanov, jrose

8150180: String.value contents should be trusted Reviewed-by: vlivanov, redestad, jrose, twisti

8145333: -XX:+EnableJVMCI -XX:+UseJVMCICompiler -XX:-EnableJVMCI makes JVM crash Summary: JVMCI Flags are checked for consistency after parse. Reviewed-by: twisti