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

8153267: nmethod's exception cache not multi-thread safe Reviewed-by: aph, jcm, kvn

8151708: C1 FastTLABRefill can allocate TLABs past the end of the heap Summary: Use branch instruction that checks xcc instead of icc. Reviewed-by: kvn, thartmann

Merge

Merge

8153852: [jittester] move TypeUtil to utils package Summary: rewrite TypeUtil and move to utils package Reviewed-by: kvn

8140354: Unquarantine tests that failed with OutOfMemoryError Summary: unquarantine CompilerControl tests Reviewed-by: iignatyev

8153713: aarch64: improve short array clearing using store pair Summary: aarch64: generate store pair instruction to clear short arrays Reviewed-by: aph

8154073: Several compiler tests fail when are executed with C1 only Summary: Added missing flag checks to the tests and Whitebox API. Reviewed-by: kvn

8153818: Move similar CompiledIC platform specific code to shared code. Reviewed-by: iveresov, twisti

8153115: Move private interface check to linktime Summary: Check for private interface methods during linktime instead of runtime Reviewed-by: kvn, never, coleenp, acorn, lfoltan

Merge

8153885: [TESTBUG] few regression tests failed after 8151880 changes Summary: Test that uses compile() as missed in update Reviewed-by: kvn

8149374: Replace C1-specific collection classes with universal collection classes Reviewed-by: kvn, mgerdin, coleenp

8152590: C2: @Stable support doesn't always work w/ incremental inlining Reviewed-by: kvn

8138861: C2 complains about unreasonably large method running Octane zlib in Nashorn Reviewed-by: kvn

8153797: aarch64: Add Arrays.fill stub code Reviewed-by: aph Contributed-by: long.chen@linaro.org

8153439: do not install an empty SpeculationLog in an nmethod Reviewed-by: iveresov, twisti

Merge

8151880: EnqueueMethodForCompilationTest.java still fails to compile method Summary: Extract SimpleTestCaseHelper inner class Reviewed-by: kvn

8153514: Whitebox API should allow compilation of <clinit> Summary: Added Whitebox API method to trigger compilation of static initializer. Reviewed-by: zmajo, kvn, iignatyev

Merge

8149488: Incorrect declaration of bitsInByte in regmask.cpp. Summary: Corrected BITS_IN_BYTE_ARRAY_SIZE value as 256 for all bitsInByte usage. Reviewed-by: dlong, mcberg, thartmann, vlivanov

Merge

8153265: [TESTBUG] compiler/whitebox/ForceNMethodSweepTest should not assume asserts are benign Reviewed-by: twisti, ikrylov

8153165: Fix MX tool config script to make the tool work with TESTNG Reviewed-by: dnsimon, twisti

8152907: Update for x86 tan and log10 in the math lib Summary: Optimize Math.tan() and log10() for 64 and 32 bit X86 architecture using Intel LIBM implementation. Reviewed-by: kvn, twisti Contributed-by: shravya.rukmannagari@intel.com

8147844: new method j.l.Runtime.onSpinWait() and the corresponding x86 hotspot instrinsic Summary: adds c1 & c2 x86 intrinsics for j.l.Runtime.onSpinWait() that utilize the PAUSE instruction Reviewed-by: iveresov, kvn Contributed-by: Ivan Krylov <ivan@azul.com>, Yuri Gaevsky <ygaevsky@azul.com>

8132718: Add tests which check that when humongous classloader object becomes unreachable it and all classes that were loaded in it should be collected Reviewed-by: jmasa, dfazunen

8153764: Add auxiliary method that generates class by class prototype to gc testlibrary Reviewed-by: dfazunen, iignatyev

8152949: Jigsaw crash when Klass in _fixup_module_field_list is unloaded Summary: During start up anonymous classes must be kept alive until after their mirror's module field is patched with java.base Reviewed-by: coleenp, hseigel Contributed-by: per.liden@oracle.com, stefan.karlsson@oracle.com

8154752: Cleanup initialization of G1Policy Reviewed-by: ehelin, tschatzl

8154745: Move default G1 pause time target setup to argument parsing Reviewed-by: ehelin, sjohanss

8154452: Deferred cleanups after split of G1CollectorPolicy code Reviewed-by: ehelin, sjohanss

8154467: Cleanup initialization of GCPolicyCounters Reviewed-by: ehelin, sjohanss

8053885: test/runtime/memory/RunUnitTestsConcurrently.java fails on solaris with largepage options Reviewed-by: jmasa, pliden

8154457: runtime/SharedArchiveFile/SharedStrings Shared string table stats missing Summary: Added more information when print out message reporting disabling the shared strings at CDS dump time. Reviewed-by: lfoltan, hseigel, mseledtsov, gtriantafill

8135200: Add White Box method that enumerates G1 old regions with less than specified liveness and collects statistics Reviewed-by: tschatzl, dfazunen, iignatyev

8138607: gc/g1/mixedgc/TestLogging.java - G1 Evacuation Pause missing from output Reviewed-by: tschatzl, dfazunen

8154739: AArch64: TemplateTable::fast_xaccess loads in wrong mode Reviewed-by: roland

Merge

8153310: AArch64: JEP 254: Implement byte_array_inflate Reviewed-by: roland

8152554: CompactStrings broken on AArch64 Summary: Correct the logic for string intrinsics. Reviewed-by: roland

8154728: JvmtiExport::add_default_read_edges hits a guarantee Reviewed-by: mgerdin, dholmes, stefank

8079843: do_young_space_rescan - comment out of sync with code Reviewed-by: mgerdin, sjohanss, ehelin, tschatzl

Merge

Merge

8154280: Zero build fails with undeclared G1LastPLABAverageOccupancy Reviewed-by: twisti

8153275: Zero JVM fails to initialize after JDK-8152440 Summary: Use a value for InitArrayShortSize which passes validation Reviewed-by: aph, andrew, coleenp

8150607: Clean up CompactHashtable Summary: refactored code, and added test cases for serviceability agent Reviewed-by: jiangli, ccheung

8151526: Print -Xlog configuration in the hs_err_pid file Summary: logging configuration is now printed in hs_err and in vm info. Reviewed-by: coleenp, mlarsson, dholmes

8154059: JVMTI ObjectTagging to UL Reviewed-by: sspitsyn, mlarsson

8154041: JVMTI trace to Unified Logging Reviewed-by: sspitsyn, mlarsson