8181292: Backport Rename internal Unsafe.compare methods from 10 to 9
Reviewed-by: psandoz, dholmes, thartmann, kvn
Contributed-by: ron.pressler@oracle.com, claes.redestad@oracle.com

8178380: Module system implementation refresh (5/2017)
Reviewed-by: lfoltan, hseigel, mchung, sspitsyn
Contributed-by: alan.bateman@oracle.com, serguei.spitsyn@oracle.com

8177530: Module system implementation refresh (4/2017)
Reviewed-by: lfoltan, sspitsyn
Contributed-by: alan.bateman@oracle.com, harold.seigel@oracle.com, mandy.chung@oracle.com

8174823: Module system implementation refresh (3/2017)
Reviewed-by: sspitsyn, dholmes, lfoltan, mchung

Merge

8156073: 2-slot LiveStackFrame locals (long and double) are incorrect
Reviewed-by: coleenp, mchung

8173608: Separate JDK management agent from java.management module
Reviewed-by: dfuchs, dholmes, erikj

Merge

Merge

8169734: Update uses of string "java.base" to macro
Summary: Replaced instances of "java.base" string with JAVA_BASE_NAME macro
Reviewed-by: sspitsyn, dcubed

Merge

8166304: Skipping access check for classes generated by core reflection
Summary: Only allow boot and reflection class loader to load sub-types of jdk.internal.reflect
Reviewed-by: acorn, lfoltan, rehn

8169069: Module system implementation refresh (11/2016)
Reviewed-by: lfoltan, acorn, ctornqvi, mchung
Contributed-by: lois.foltan@oracle.com, harold.seigel@oracle.com, alan.bateman@oracle.com, mandy.chung@oracle.com, serguei.spitsyn@oracle.com, george.triantafillou@oracle.com

8154122: Intrinsify fused mac operations
Summary: added FMA intrinsics on x86
Reviewed-by: kvn, aph, darcy

Merge

8157726: VarHandles/Unsafe should support sub-word atomic ops
Reviewed-by: psandoz, vlivanov, lagergren

8159590: Remove deprecated methods from jdk.internal.misc.VM
Reviewed-by: chegar, dholmes

8154473: Update for CompilerDirectives to control stub generation and intrinsics
Summary: Use -XX:DisableIntrinsic flag to control intrinsics usage in Interpreter.
Reviewed-by: twisti, neliasso, kvn, simonis

8156034: [JVMCI] Notify the jvmci compiler on completion of a bootstrap
Reviewed-by: twisti
Contributed-by: josef.eisl@jku.at

Merge

Merge

Merge

8155965: Unsafe.weakCompareAndSetVolatile entry points and intrinsics
Reviewed-by: psandoz, vlivanov

Merge

Merge

8155794: Move Objects.checkIndex BiFunction accepting methods to an internal package
Reviewed-by: shade, vlivanov

8150921: Update Unsafe getters/setters to use double-register variants
Reviewed-by: dholmes, shade, psandoz, jrose

Merge

Merge

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>

8137058: Clear out all non-Critical APIs from sun.reflect
Reviewed-by: alanb, jfranck, mchung

Merge

Merge

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

Merge

Merge

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

8153498: Update the PostVMInitHook mechanism to use an internal package in the base module
Reviewed-by: alanb, lfoltan

Merge

8152698: Remove obsolete Unsafe.putOrdered{X} methods, usages, runtime and compiler support
Reviewed-by: kvn, psandoz

Merge

8149644: Integrate VarHandles
Reviewed-by: kvn, vlivanov

8153181: Move sun.misc.VMSupport to an internal package
Reviewed-by: alanb, mchung

Merge

Merge

8150465: Unsafe methods to produce uninitialized arrays
Reviewed-by: jrose, kvn, psandoz, aph, twisti, flar

8149159: Clean up Unsafe
Reviewed-by: jrose, kvn, stsmirno, chegar, aph, psandoz, redestad, twisti

8142968: Module System implementation
Summary: Initial integration of JEP 200, JEP 260, JEP 261, and JEP 282
Reviewed-by: acorn, ccheung, coleenp, ctornqvi, dholmes, dsimms, gtriantafill, iklam, jiangli, mgronlun, mseledtsov, cjplummer, sspitsyn, stefank, twisti, hseigel, lfoltan, alanb, mchung, dfazunen
Contributed-by: alan.bateman@oracle.com, alex.buckley@oracle.com, jonathan.gibbons@oracle.com, karen.kinnear@oracle.com, mandy.chung@oracle.com, mark.reinhold@oracle.com, harold.seigel@oracle.com, lois.foltan@oracle.com, calvin.cheung@oracle.com, christian.tornqvist@oracle.com, erik.joelsson@oracle.com, george.triantafillou@oracle.com, igor.ignatyev@oracle.com, ioi.lam@oracle.com, james.laskey@oracle.com, jean-francois.denise@oracle.com, jiangli.zhou@oracle.com, markus.gronlund@oracle.com, serguei.spitsyn@oracle.com, staffan.larsen@oracle.com, sundararajan.athijegannathan@oracle.com

Merge

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

8150162: Move sun.misc.Version to a truly internal package
Reviewed-by: alanb, dholmes, iris, mchung, rriggs

8149750: Decouple sun.misc.Signal from the base module
Reviewed-by: dholmes, chegar

Merge

8143847: Remove REF_CLEANER reference category
Summary: Remove REF_CLEANER.
Reviewed-by: jwilhelm, mchung, tbenson

8143925: Enhancing CounterMode.crypt() for AES
Summary: Add intrinsic for CounterMode.crypt() to leverage the parallel nature of AES in Counter(CTR) Mode.
Reviewed-by: kvn, ascarpino
Contributed-by: kishor.kharbas@intel.com

Merge

8134994: use separate VMStructs databases for SA and JVMCI
Reviewed-by: kbarrett

Merge

8143355: Update for addition of vectorizedMismatch intrinsic for x86
Reviewed-by: kvn
Contributed-by: vivek.r.deshpande@intel.com, liqi.yi@intel.com

8144223: Move j.l.invoke.{ForceInline, DontInline, Stable} to jdk.internal.vm.annotation package
Reviewed-by: jrose, vlivanov, mchung, roland

8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
Reviewed-by: jrose, dlong, aph, forax

8046936: JEP 270: Reserved Stack Areas for Critical Sections
Reviewed-by: acorn, dcubed

8140485: Class load and creation cleanup
Reviewed-by: hseigel, coleenp, sspitsyn

Merge

8143911: Reintegrate JEP 259: Stack-Walking API
Reviewed-by: coleenp, dfuchs, bchristi, psandoz, sspitsyn
Contributed-by: Mandy Chung <mandy.chung@oracle.com>, Brent Christian <brent.christian@oracle.com>, Daniel Fuchs <daniel.fuchs@oracle.com>, Hamlin Li <huaming.li@oracle.com>

Merge

8143931: Back out JDK-8140450
Reviewed-by: coleenp

8140687: Move @Contended to the jdk.internal.vm.annotation package
Reviewed-by: alanb, dholmes, psandoz, shade

Merge

Merge

8140802: Clean up and refactor of class loading code for CDS
Reviewed-by: jiangli, acorn, coleenp

8140450: Implement JEP 259: Stack-Walking API
Reviewed-by: coleenp, dfuchs, bchristi, psandoz, sspitsyn
Contributed-by: Mandy Chung <mandy.chung@oracle.com>, Brent Christian <brent.christian@oracle.com>, Daniel Fuchs <daniel.fuchs@oracle.com>, Hamlin Li <huaming.li@oracle.com>

Merge

8042997: Make intrinsic some or all check index/range methods
Summary: Objects.checkIndex() intrinsic
Reviewed-by: vlivanov, shade

Merge

8141132: JEP 254: Compact Strings
Summary: Adopt a more space-efficient internal representation for strings.
Reviewed-by: alanb, bdelsart, coleenp, iklam, jiangli, jrose, kevinw, naoto, pliden, roland, smarks, twisti
Contributed-by: Brent Christian <brent.christian@oracle.com>, Vivek Deshpande <vivek.r.deshpande@intel.com>, Tobias Hartmann <tobias.hartmann@oracle.com>, Charlie Hunt <charlie.hunt@oracle.com>, Vladimir Kozlov <vladimir.kozlov@oracle.com>, Roger Riggs <roger.riggs@oracle.com>, Xueming Shen <xueming.shen@oracle.com>, Aleksey Shipilev <aleksey.shipilev@oracle.com>, Sandhya Viswanathan <sandhya.viswanathan@intel.com>

Merge

8139891: Prepare Unsafe for true encapsulation
Reviewed-by: alanb, dholmes, jrose, psandoz, twisti

8140274: methodHandles and constantPoolHandles should be passed as const references
Summary: modified code to use const reference parameters
Reviewed-by: sspitsyn, twisti

8140483: Atomic*FieldUpdaters final fields should be trusted
Summary: Add exceptions for A*FU subclasses that do the actual work.
Reviewed-by: jrose, vlivanov

8137167: JEP165: Compiler Control: Implementation task
Summary: Compiler Control JEP
Reviewed-by: roland, twisti, zmajo, simonis

8136421: JEP 243: Java-Level JVM Compiler Interface
Reviewed-by: ihse, alanb, roland, coleenp, iveresov, kvn, kbarrett

8132081: C2 support for Adler32 on SPARC
Summary: Add C2 instrinsic support for Adler32 checksum on SPARC.
Reviewed-by: kvn
Contributed-by: ahmed.khawaja@oracle.com

Merge

8132457: Unify command-line flags controlling the usage of compiler intrinsics
Summary: Cleanup processing of command-line flags controlling intrinsics.
Reviewed-by: kvn

Merge

8059036: Implement Diagnostic Commands for heap and finalizerinfo
Summary: Implement Diagnostic Commands for heap and finalizerinfo
Reviewed-by: sla, plevart, mchung

8130832: Extend the WhiteBox API to provide information about the availability of compiler intrinsics
Summary: Add a new method, sun.hotspot.WhiteBox.isIntrinsicAvailable, that can be used to determine if an intrinsic is available.
Reviewed-by: kvn, jrose

Merge

8131326: Enable CheckIntrinsics in all types of builds
Summary: Enable CheckIntrinsics flag in all builds; make check for orphan methods available only in debug builds.
Reviewed-by: kvn

8075171: Contended Locking fast notify bucket
Summary: JEP-143/JDK-8073165 Contended Locking fast notify bucket
Reviewed-by: dholmes, acorn, dice, dcubed
Contributed-by: dave.dice@oracle.com, karen.kinnear@oracle.com, daniel.daugherty@oracle.com

8076112: Add @HotSpotIntrinsicCandidate annotation to indicate methods for which Java Runtime has intrinsics
Summary: Annotate possibly intrinsified methods with @HotSpotIntrinsicCandidate. Add checks omitted by intrinsics to the library code. Add CheckIntrinsics flags to check consistency of intrinsics.
Reviewed-by: jrose, kvn, thartmann, vlivanov, abuckley, darcy, ascarpino, briangoetz, alanb, aph, dnsimon

Merge

8130150: Implement BigInteger.montgomeryMultiply intrinsic
Summary: Add montgomeryMultiply intrinsics
Reviewed-by: kvn

8073583: C2 support for CRC32C on SPARC
Reviewed-by: jrose, kvn
Contributed-by: james.cheng@oracle.com

8073108: Use x86 and SPARC CPU instructions for GHASH acceleration
Reviewed-by: kvn, jrose

8074551: GWT can be marked non-compilable due to deopt count pollution
Reviewed-by: kvn

8081778: Use Intel x64 CPU instructions for RSA acceleration
Summary: Add intrinsics for BigInteger squareToLen and mulAdd methods.
Reviewed-by: kvn, jrose

8079205: CallSite dependency tracking is broken after sun.misc.Cleaner became automatically cleared
Reviewed-by: roland, psandoz, plevart, kbarrett, jrose

8076284: Improve vectorization of parallel streams
Summary: Improve vectorization of java/util/stream/Streams$RangeIntSpliterator::forEachRemaining() method and enable loop vectorization in a given method on demand.
Reviewed-by: kvn
Contributed-by: jan.civlin@intel.com

Merge

8057967: CallSite dependency tracking scales devastatingly poorly
Reviewed-by: jrose, roland, plevart, shade

Merge

8042901: Allow com.sun.management to be in a different module to java.lang.management
Reviewed-by: mchung, dfuchs, erikj, jbachorik

Merge

8026049: (bf) Intrinsify ByteBuffer.put{Int, Double, Float, ...} methods
Summary: Use unaligned Unsafe loads and stores for ByteBuffer access on platforms which support unaligned access. Add intrinsics for Unsafe.{get,put}-X-Unaligned methods.
Reviewed-by: dholmes, jrose, psandoz, kvn

8075263: MHI::checkCustomized isn't eliminated for inlined MethodHandles
Reviewed-by: jrose, kvn

8023093: Add ManagementAgent.status diagnostic command
Reviewed-by: sla

Merge

8068977: Remove unused sun.misc.Unsafe prefetch intrinsic support
Reviewed-by: kvn, vlivanov

8063137: Never-taken branches should be pruned when GWT LambdaForms are shared
Reviewed-by: jrose, kvn

8047125: (ref) More phantom object references
Reviewed-by: mchung, dfuchs, ahgross, jmasa, brutisso, mgerdin
Contributed-by: kim.barrett@oracle.com

8054492: Casting can result in redundant null checks in generated code
Summary: add C2 intrinsic for Class.cast() method and force inline it too.
Reviewed-by: jrose, roland, drchase, iignatyev

Merge

8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
Summary: Add new C2 intrinsic for BigInteger::multiplyToLen() on x86 in 64-bit VM.
Reviewed-by: roland

8049105: Move array component mirror to instance of java/lang/Class (hotspot part 2)
Summary: This removes component mirrors from arrayKlass metadata and the C2 intrinsic for them.
Reviewed-by: kvn, twisti, mgerdin

8046070: Class Data Sharing clean up and refactoring
Summary: Cleaned up CDS to be more configurable, maintainable and extensible
Reviewed-by: dholmes, coleenp, acorn, mchung

8047737: Move array component mirror to instance of java/lang/Class
Summary: Add field in java.lang.Class for componentType to simplify oop processing in JVM
Reviewed-by: fparain, twisti

6642881: Improve performance of Class.getClassLoader()
Summary: Add classLoader to java/lang/Class instance for fast access
Reviewed-by: alanb, lfoltan, rriggs, vlivanov, twisti, jfranck

Merge

8031819: Remove legacy jdk checks and code
Summary: Delete old jdk specific code.
Reviewed-by: dholmes, coleenp, zgu, lfoltan

8035968: Leverage CPU Instructions to Improve SHA Performance on SPARC
Summary: Add C2 SHA intrinsics on SPARC
Reviewed-by: kvn, roland
Contributed-by: james.cheng@oracle.com

8035936: SIGBUS in StubRoutines::aesencryptBlock, solaris-sparc
Summary: Fix the arbitrary alignment issue in SPARC AES crypto stub routines.
Reviewed-by: kvn, iveresov
Contributed-by: shrinivas.joshi@oracle.com

8036630: Null ProtectionDomain in JVM can cause NPE because principals field is not initialized to an empty array
Summary: Call ProtectionDomain constructor instead of making all fields null.
Reviewed-by: fparain, zgu

8002074: Support for AES on SPARC
Summary: Add intrinsics/stub routines support for single-block and multi-block (as used by Cipher Block Chaining mode) AES encryption and decryption operations on the SPARC platform.
Reviewed-by: kvn, roland
Contributed-by: shrinivas.joshi@oracle.com

8031115: intrinsics for Math.decrementExact(J) and incrementExact(J) don't work
Reviewed-by: kvn, twisti

8016839: JSR292: AME instead of IAE when calling a method
Summary: Catch missing-because-illegal case for itable entries and use an exception-throwing method instead of null.
Reviewed-by: acorn, jrose, coleenp

8025632: Remove all references to MagicLambdaImpl from Hotspot
Summary: MagicLambdaImpl was removed from jdk side, this should be done in vm side too
Reviewed-by: coleenp, hseigel, rdurbin

8026844: Various Math functions needs intrinsification
Reviewed-by: kvn, twisti

8025233: Move sun.invoke.Stable into java.lang.invoke package
Reviewed-by: twisti, iveresov

8024924: Intrinsify java.lang.Math.addExact
Reviewed-by: kvn, twisti

8001107: @Stable annotation for constant folding of lazily evaluated variables
Reviewed-by: rbackman, twisti, kvn
Contributed-by: john.r.rose@oracle.com, vladimir.x.ivanov@oracle.com

7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
Summary: Restore the appendix argument after PopFrame() call
Reviewed-by: twisti, coleenp
Contributed-by: serguei.spitsyn@oracle.com

8004872: Early loading of HashMap and StringValue under -XX:+AggressiveOpts can be removed
Summary: this fix also removes the -XX:+UseStringCache option
Reviewed-by: dholmes, acorn, iklam

7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
Summary: add intrinsics using new instruction to interpreter, C1, C2, for suitable x86; add test
Reviewed-by: kvn, twisti

Merge

Merge

Merge

8001330: Improve on checking order
Reviewed-by: acorn, hawtin

8003421: NPG: Move oops out of InstanceKlass into mirror
Summary: Inject protection_domain, signers, init_lock into java_lang_Class
Reviewed-by: stefank, dholmes, sla

Merge

6934604: enable parts of EliminateAutoBox by default
Summary: Resurrected autobox elimination code and enabled part of it by default.
Reviewed-by: roland, twisti

8004095: Add support for JMX interface to Diagnostic Framework and Commands
Reviewed-by: acorn, sla

7198429: need checked categorization of caller-sensitive methods in the JDK
Reviewed-by: kvn, jrose

Merge

8000692: Remove old KERNEL code
Summary: Removed depreciated kernel VM source code from hotspot VM
Reviewed-by: dholmes, acorn

6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86
Summary: Use SSE4.2 and AVX2 instructions for encodeArray intrinsic.
Reviewed-by: roland

Merge

8005590: java_lang_Class injected field resolved_constructor appears unused
Reviewed-by: coleenp, dholmes

8003985: Support @Contended Annotation - JEP 142
Summary: HotSpot changes to support @Contended annotation.
Reviewed-by: coleenp, kvn, jrose
Contributed-by: Aleksey Shipilev <aleksey.shipilev@oracle.com>

8004728: Add hotspot support for parameter reflection
Summary: Add hotspot support for parameter reflection
Reviewed-by: acorn, jrose, coleenp
Contributed-by: eric.mccorkle@oracle.com

Merge

8004823: Add VM support for type annotation reflection
Reviewed-by: dholmes, coleenp
Contributed-by: joel.franck@oracle.com

8004330: Add missing Unsafe entry points for addAndGet() family
Summary: Fix java names for getAndSet intrinsics
Reviewed-by: kvn
Contributed-by: aleksey.shipilev@oracle.com

8004318: JEP-171: Support Unsafe fences intrinsics
Summary: Add three memory-ordering intrinsics to the sun.misc.Unsafe class.
Reviewed-by: twisti, kvn
Contributed-by: Aleksey Shipilev <aleksey.shipilev@oracle.com>

Merge

7200776: Implement default methods in interfaces
Summary: Add generic type analysis and default method selection algorithms
Reviewed-by: coleenp, acorn

Merge

8002078: hs_err_pid file should report full JDK version string
Reviewed-by: dholmes, sspitsyn, kmo

7184394: add intrinsics to use AES instructions
Summary: Use new x86 AES instructions for AESCrypt.
Reviewed-by: twisti, kvn, roland
Contributed-by: tom.deneau@amd.com

8000263: JSR 292: signature types may appear to be unloaded
Reviewed-by: kvn, jrose

Merge

7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
Summary: use shorter instruction sequences for atomic add and atomic exchange when possible.
Reviewed-by: kvn, jrose

7197269: NPG: FollowReferences has no ClassLoader -> Class link to follow
Summary: restore java/lang/ClassLoader.addClass() upcall
Reviewed-by: sspitsyn, dcubed, jmasa

6964458: Reimplement class meta-data storage to use native memory
Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>

7188911: nightly failures after JSR 292 lazy method handle update (round 2)
Reviewed-by: kvn, jrose

7023639: JSR 292 method handle invocation needs a fast path for compiled code
6984705: JSR 292 method handle creation should not go through JNI
Summary: remove assembly code for JDK 7 chained method handles
Reviewed-by: jrose, twisti, kvn, mhaupt
Contributed-by: John Rose <john.r.rose@oracle.com>, Christian Thalinger <christian.thalinger@oracle.com>, Michael Haupt <michael.haupt@oracle.com>

6711908: JVM needs direct access to some annotations
Summary: Add annotation extraction code to class file parser.
Reviewed-by: twisti, jrose, kvn
Contributed-by: michael.haupt@oracle.com

7176856: add the JRE name to the error log
Reviewed-by: coleenp, jrose, kvn, twisti
Contributed-by: Krystal Mok <sajia@taobao.com>

7174218: remove AtomicLongCSImpl intrinsics
Reviewed-by: kvn, twisti
Contributed-by: Krystal Mok <sajia@taobao.com>

6924259: Remove String.count/String.offset
Summary: Allow a version of String class that doesn't have count and offset fields.
Reviewed-by: never, coleenp

7160570: Intrinsification support for tracing framework
Reviewed-by: sla, never

7110104: It should be possible to stop and start JMX Agent at runtime
Summary: Added a capability to start and stop JMX Agent by jcmd
Reviewed-by: acorn, mchung

7131006: java/lang/management/ThreadMXBean/ThreadLists.java
Reviewed-by: dholmes, acorn

7120511: Add diagnostic commands
Reviewed-by: acorn, phh, dcubed, sspitsyn

7092278: "jmap -finalizerinfo" throws "sun.jvm.hotspot.utilities.AssertionFailure: invalid cp index 0 137"
Reviewed-by: kvn

7086585: make Java field injection more flexible
Reviewed-by: jrose, twisti, kvn, coleenp

7071307: MethodHandle bimorphic inlining should consider the frequency
Reviewed-by: twisti, roland, kvn, iveresov

7079673: JSR 292: C1 should inline bytecoded method handle adapters
Reviewed-by: never

7071653: JSR 292: call site change notification should be pushed not pulled
Reviewed-by: kvn, never, bdelsart

7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
Summary: Delegate invokedynamic linkage errors to MethodHandleNatives.raiseException.
Reviewed-by: never

Merge

6939861: JVM should handle more conversion operations
Reviewed-by: twisti, jrose

7036199: Adding a notification to the implementation of GarbageCollectorMXBeans
Summary: Add a notification to the GarbageCollectorMXBeans
Reviewed-by: acorn, mchung

Merge

Merge

7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
Summary: A referent object that is only weakly reachable at the start of concurrent marking but is re-attached to the strongly reachable object graph during marking may not be marked as live. This can cause the reference object to be processed prematurely and leave dangling pointers to the referent object. Implement a read barrier for the java.lang.ref.Reference::referent field by intrinsifying the Reference.get() method, and intercepting accesses though JNI, reflection, and Unsafe, so that when a non-null referent object is read it is also logged in an SATB buffer.
Reviewed-by: kvn, iveresov, never, tonyp, dholmes

Merge

7034585: Adjust fillInStackTrace filtering to assist 6998871
Summary: Allow for one or more fillInStackTrace frames to be skipped
Reviewed-by: mchung, kvn

6981791: remove experimental code for JSR 292
Reviewed-by: twisti

7012648: move JSR 292 to package java.lang.invoke and adjust names
Summary: package and class renaming only; delete unused methods and classes
Reviewed-by: twisti

6839872: remove implementation inheritance from JSR 292 APIs
Summary: consolidate runtime support in java.dyn.MethodHandleNatives; include transitional compatibility logic
Reviewed-by: twisti

7017673: Remove setting of the sun.jkernel.DownloadManager as a boot classloader hook
Reviewed-by: alanb, dcubed, coleenp

6990754: Use native memory and reference counting to implement SymbolTable
Summary: move symbols from permgen into C heap and reference count them
Reviewed-by: never, acorn, jmasa, stefank

6994753: Implement optional hook to a Java method at VM startup.
Reviewed-by: mchung, acorn

7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
Reviewed-by: twisti

6989984: Use standard include model for Hospot
Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg

6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
Reviewed-by: never

6939203: JSR 292 needs method handle constants
Summary: Add new CP types CONSTANT_MethodHandle, CONSTANT_MethodType; extend 'ldc' bytecode.
Reviewed-by: twisti, never

6941466: Oracle rebranding changes for Hotspot repositories
Summary: Change all the Sun copyrights to Oracle copyright
Reviewed-by: ohair

6939134: JSR 292 adjustments to method handle invocation
Summary: split MethodHandle.invoke into invokeExact and invokeGeneric; also clean up JVM-to-Java interfaces
Reviewed-by: twisti

6946040: add intrinsic for short and char reverseBytes
Reviewed-by: never, twisti
Contributed-by: Hiroshi Yamauchi <yamauchi@google.com>

Merge

6893268: additional dynamic language related optimizations in C2
Summary: C2 needs some additional optimizations to be able to handle MethodHandle invokes and invokedynamic instructions at the best performance.
Reviewed-by: kvn, never

6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
Summary: During the work for 6829187 we have fixed a number of basic bugs which are logically grouped with 6815692 and 6858164 but which must be reviewed and pushed separately.
Reviewed-by: kvn, never

6894206: JVM needs a way to traverse method handle structures
Summary: We need a way to walk chained method handles in the JVM to call the right methods and to generate required bytecode adapters for the compilers.
Reviewed-by: kvn

Merge

6888880: JKernel VM to inject the sun.jkernel.DownloadManager as a boot classloader hook
Summary: Call sun.jkernel.DownloadManager.setBootClassLoaderHook during the kernel VM initialization
Reviewed-by: alanb, coleenp, acorn

6892658: C2 should optimize some stringbuilder patterns
Reviewed-by: kvn, twisti

6858164: invokedynamic code needs some cleanup (post-6655638)
Summary: Fix several crashers, remove needless paths for boxed-style bootstrap method call, refactor & simplify APIs for rewriter constantPoolOop, remove sun.dyn.CallSiteImpl
Reviewed-by: kvn

6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
Summary: remove useless lazy evaluation of intrinsics; add LAST_COMPILER_INLINE to help categorize them
Reviewed-by: kvn

6823354: Add intrinsics for {Integer,Long}.{numberOfLeadingZeros,numberOfTrailingZeros}()
Summary: These methods can be instrinsified by using bit scan, bit test, and population count instructions.
Reviewed-by: kvn, never

6655646: dynamic languages need dynamically linked call sites
Summary: invokedynamic instruction (JSR 292 RI)
Reviewed-by: twisti, never

6655638: dynamic languages need method handles
Summary: initial implementation, with known omissions (x86/64, sparc, compiler optim., c-oops, C++ interp.)
Reviewed-by: kvn, twisti, never

6761600: Use sse 4.2 in intrinsics
Summary: Use SSE 4.2 in intrinsics for String.{compareTo/equals/indexOf} and Arrays.equals.
Reviewed-by: kvn, never, jrose

Merge

6821700: tune VM flags for peak performance
Summary: Tune C2 flags default values for performance.
Reviewed-by: never, phh, iveresov, jmasa, ysr

6810653: Change String cache class used by Hotspot from String to StringValue
Summary: Change create_vm() to load and initialize StringValue rather than String.
Reviewed-by: kvn

Merge

6819853: VM does not detect JDK which supports parallel class loaders
Reviewed-by: coleenp, pbk, xlu, alanb

Merge

6378821: bitCount() should use POPC on SPARC processors and AMD+10h
Summary: bitCount() should use POPC on SPARC processors where POPC is implemented directly in hardware.
Reviewed-by: kvn, never

6814575: Update copyright year
Summary: Update copyright for files that have been modified in 2009, up to 03/09
Reviewed-by: katleman, tbell, ohair

4670071: loadClassInternal is too restrictive.
Summary: VM support for deadlock fix. Library fix in 4735126. See API proposal.
Reviewed-by: dholmes, blacklion

6719955: Update copyright year
Summary: Update copyright year for files that have been modified in 2008
Reviewed-by: ohair, tbell

6714404: Add UseStringCache switch to enable String caching under AggressiveOpts
Summary: Poke String.stringCacheEnabled during vm initialization
Reviewed-by: never

6695049: (coll) Create an x86 intrinsic for Arrays.equals
Summary: Intrinsify java/util/Arrays.equals(char[], char[])
Reviewed-by: kvn, never

6667615: (Escape Analysis) extend MDO to cache arguments escape state
Summary: Use MDO to cache arguments escape state determined by the byte code escape analyzer.
Reviewed-by: never

6621621: HashMap front cache should be enabled only with AggressiveOpts
Reviewed-by: sbohne, xlu

6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
Reviewed-by: kvn, rasbold

Initial load