8028471: PPC64 (part 215): opto: Extend ImplicitNullCheck optimization. Summary: Fixed Implicit NULL check optimization for AIX, where the page at address '0' is only write-protected. Reviewed-by: kvn

Merge

8028580: PPC64 (part 114/120): Support for Call nodes with constants. Summary: extends MachCall nodes so that they can issue constants to the constant table Reviewed-by: kvn

8028514: PPC64: Fix C++ Interpreter after '7195622: CheckUnhandledOops has limited usefulness now' Summary: fix CPP-interpreter after CheckUnhandledOops was re-enabled in the fastdebug build Reviewed-by: kvn, dholmes, lfoltan

8028470: PPC64 (part 214): linux: extend signal handler to catch SIGTRAP on ppc64. Reviewed-by: kvn

8028401: PPC (part 117): Improve usability of adlc and format() functionality. Summary: Add additional, more verbose syntax checks in adlc. Fix printing constant's problem in format(). Reviewed-by: kvn

Merge

8024921: PPC64 (part 113): Extend Load and Store nodes to know about memory ordering Summary: Add a field to C2 LoadNode and StoreNode classes which indicates whether the load/store should do an acquire/release on platforms which support it. Reviewed-by: kvn

8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation Summary: added ability in C2 to expand mach nodes to several mach nodes after register allocation Reviewed-by: kvn

8027968: Adapt PPC to 8024927: Nashorn performance regression with CompressedOops Reviewed-by: coleenp, kvn

8027969: Adapt PPC to 8026328: Setting a breakpoint on invokedynamic crashes the JVM Reviewed-by: dholmes, coleenp, sspitsyn

8027966: Adapt PPC to 8023657: New type profiling points: arguments to call Reviewed-by: dholmes

8027965: Adapt PPC to 8015107: NPG: Use consistent naming for metaspace concepts Reviewed-by: dholmes

8027964: Adapt PPC to 6843347: Boundary values in some public GC options cause crashes Reviewed-by: dholmes

Merge

8026487: PPC64: Implement 'os::fork_and_exec' on AIX Reviewed-by: kvn, twisti

8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling Summary: Implement profiling for c2 jit compilation. Also enable new cppInterpreter features. Reviewed-by: kvn

8024922: PPC64 (part 116): Extend adlc to generate fields into nodes. Summary: Similar to specifying functions returning constants (as ins_avoid_back_to_back()) adlc now accepts specifications with prefix ins_field_xxx(tp) and adds field xxx of type tp to the node. Reviewed-by: kvn

8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints. Summary: Some platforms, as ppc and s390x/zArch require that 32-bit ints are passed as 64-bit values to C functions. This change adds support to adapt the signature and to issue proper casts to c2-compiled stubs. The functions are used in generate_native_wrapper(). Adapt signature used by the compiler as in PhaseIdealLoop::intrinsify_fill(). Reviewed-by: kvn

8024469: PPC64 (part 202): cppInterpreter: support for OSR. Summary: Call OSR migration with last java frame. Reviewed-by: kvn

8024344: PPC64 (part 112): C argument in register AND stack slot. Summary: On PPC, the first 13 floating point arguments to C calls are passed in floating point registers. Also, all but the first 8 arguments are passed on the stack. So there can be floating point arguments that are passed on the stack and in a register. We duplicate the regs datastructure in c_calling_convention() to represent this. Reviewed-by: kvn, cjplummer

8023038: PPC64 (part 15): Platform files for AIX/PPC64 support Reviewed-by: kvn

8023034: PPC64 (part 14): Implement AIX/PPC64 support in HotSpot makefiles Reviewed-by: kvn

8024379: Adapt PPC64 port to 8003424 Reviewed-by: coleenp

Merge

8023033: PPC64 (part 13): basic changes for AIX Summary: Added AIX includes alpha-sorted before BSD. Fix compilation issues with xlC in shared code. Basic shared platform dependend adaption (vm_version etc.). Reviewed-by: kvn, dholmes, stefank

8020775: PPC64 (part 12): posix signal printing Summary: Implement methods printing posix signal information and call them in unix os files. Reviewed-by: kvn, dholmes, twisti Contributed-by: thomas.stuefe@sap.com

Merge

8019972: PPC64 (part 9): platform files for interpreter only VM. Summary: With this change the HotSpot core build works on Linux/PPC64. The VM succesfully executes simple test programs. Reviewed-by: kvn

Merge

8019926: PPC64 (part 106): Make hsdis build and work on Linux/PPC64 Summary: Make hsdis work on Linux/PPC64 and AIX/PPC64 Reviewed-by: kvn

Merge

Merge

8019973: PPC64 (part 11): Fix IA64 preprocessor conditionals on AIX. Summary: On AIX 7.1 systemcfg.h defines IA64 unconditionally, so test for !AIX where IA64 is used. Reviewed-by: dholmes, kvn

8019922: PPC64 (part 8): Implement Linux/PPC64 support in HotSpot makefiles Summary: HotSpot make changes to build the HotSpot on Linux/PPC64 Reviewed-by: dholmes, kvn

8020121: PPC64: fix build in cppInterpreter after 8019519 Reviewed-by: kvn

8019519: PPC64 (part 105): C interpreter: implement support for jvmti early return. Reviewed-by: sspitsyn, kvn

8019518: PPC64 (part 103): cppInterpreter: implement support for compressed Oops Reviewed-by: kvn, coleenp

8019517: PPC64 (part 102): cppInterpreter: implement G1 support Reviewed-by: kvn

8016696: PPC64 (part 4): add relocation for trampoline stubs Summary: A trampoline allows to encode a small branch in the code, even if there is the chance that this branch can not reach all possible code locations. If the relocation finds that a branch is too far for the instruction in the code, it can patch it to jump to the trampoline where is sufficient space for a far branch. Needed on PPC. Reviewed-by: kvn, bdelsart, jrose

Merge

8017317: PPC64 (part 7): cppInterpreter: implement support for biased locking Reviewed-by: kvn, dholmes

8017313: PPC64 (part 6): stack handling improvements Summary: Precompute limit for stack overflow check. Reviewed-by: kvn, coleenp

Merge

Merge

8016586: PPC64 (part 3): basic changes for PPC64 Summary: added #includes needed for ppc64 port. Renamed _MODEL_ppc to _MODEL_ppc_32 and renamed corresponding old _ppc files to _ppc_32. Reviewed-by: dholmes, kvn

8016491: PPC64 (part 2): Clean up PPC defines. Summary: Distinguish PPC, PPC64 and PPC32. PPC should guard code needed on any PPC system. PPC32 and PPC64 should guard code needed in a port for the ppc64 or ppc32 instruction set. Reviewed-by: kvn

8016476: PPC64 (part 1): reenable CORE build Summary: reenable CORE build on PPC64 Reviewed-by: dholmes, kvn, coleenp

8031498: Cleanup and re-factorize PhaseChaitin::build_ifg_physical Summary: Created sub-functions, added data structures, improved naming and removed unnecessary code Reviewed-by: kvn, roland, rbackman

Merge

8009738: compiler/6826736/Test.java times out on big machines Summary: Added -Xmx256m -XX:ParallelGCThreads=4 to the test @run command. Verified that 256m is enough to trigger old 6826736 bug. Reviewed-by: kvn

Merge

8032490: Remove -XX:+-UseOldInlining Summary: Move the option to obsolete options list, purge the redundant compiler code. Reviewed-by: kvn, jrose

8027422: assert(_gvn.type(obj)->higher_equal(tjp)) failed: cast_up is no longer needed Summary: type methods shouldn't always operate on speculative part Reviewed-by: kvn, twisti

8035132: [TESTBUG] test/runtime/lambda-features/InvokespecialInterface.java test has unrecognized option Summary: add IgnoreUnrecognizedVMOptions for product mode run Reviewed-by: ctornqvi, dholmes

8034249: need more workarounds for suspend equivalent condition issue Summary: Collect data at safepoint, do not rely on thread suspension Reviewed-by: dcubed, dholmes Contributed-by: serguei.spitsyn@oracle.com

8034080: Remove the USDT1 dtrace code from Hotspot Reviewed-by: dholmes, coleenp

Merge

8027146: Class loading verification failure if GC occurs in Universe::flush_dependents_on Summary: Remove search in system dictionary and hacks, replace with verifying in CLD::_klasses list. Reviewed-by: dcubed, acorn

8007710: runtime/7158988/FieldMonitor.java fails with com.sun.jdi.VMDisconnectedException: Connection closed Reviewed-by: sla, jbachorik, sspitsyn

8034860: Fatal error due to incorrect thread state during nightly testing Summary: use the HAS_PENDING_EXCEPTION and CLEAR_PENDING_EXCEPTION macros Reviewed-by: dholmes, coleenp, dcubed

Merge

Merge

7127191: SA JSDB does not display native symbols correctly for transported Linux cores Summary: Better handle SA_ALTROOT Reviewed-by: sla, sspitsyn

8034781: [TESTBUG] runtime/ClassFileUnsupportedClassFileVersion.java unable to find or load main class Summary: Passed empty string to ProcessBuilder which caused problems on Linux, fixed by checking string length Reviewed-by: lfoltan, sla, mseledtsov

Merge

8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending Summary: added JNI exception pending check in several files under src/share/vm/prims directory Reviewed-by: coleenp, minqi

Merge

8030350: Enable additional compiler warnings for GCC Reviewed-by: dholmes, coleenp, erikj, tbell, ihse

8023667: SA: ExceptionBlob and other C2 classes not available in client VM Summary: Ignore error of intialization of C2 only variables Reviewed-by: sla, dholmes

8033215: clang: node.cpp:284 IDX_INIT macro use uninitialized field _out Reviewed-by: twisti, kvn

Merge

Merge

8032816: THIRDPARTYREADME LittleCMS preamble missing JRE 8 & JDK 8 Reviewed-by: lana

7129980: Third Party License Readme update for JDK8 Reviewed-by: lana, tbell

Merge

8033426: Scale initial NewSize using NewRatio if not set on command line Summary: Now using NewRatio to size initial NewSize if not specified on commandline. Reviewed-by: jmasa, jwilhelm

8026849: Fix typos in the GC code, part 2 Summary: Fixed typos in assert messages, flag descriptions and verbose messages Reviewed-by: stefank, tschatzl

8033923: Use BufferingOopClosure for G1 code root scanning Reviewed-by: mgerdin, brutisso

Merge

8033764: Remove the usage of StarTask from BufferingOopClosure Reviewed-by: mgerdin, brutisso, tschatzl

Merge

8033922: G1: Back out 8033601 and go back to use the to-obj for chunked arrays. Reviewed-by: stefank, tschatzl

8033545: Missing volatile specifier in Bitmap::par_put_range_within_word Summary: The method Bitmap::par_put_range_within_word reloads the original value during a CAS, which may be optimized away. Instead of reloading, use the value returned by Atomic::cmpxchg_ptr() for further processing. Reviewed-by: tschatzl, brutisso, tonyp Contributed-by: Matthias Braun <matthia.braun@sap.com>

8031703: Missing post-barrier in ReferenceProcessor Reviewed-by: tonyp, tschatzl

8033443: Test8000311 fails after latest changes to parallelize string and symbol table unlink Summary: When string and symbol table unlink are not performed in parallel, the claim index we check is not updated, and so a guarantee fails. Take this into account when checking the guarantee. Reviewed-by: brutisso, jwilhelm

8033601: G1: Make array chunking use the same length field as the other young GCs Summary: Use the old copy length instead of the length of the forwarded object for chunked arrays. Reviewed-by: brutisso, tschatzl

8028254: gc/arguments/TestMinInitialErgonomics.java failed with unexpected initial heap size Reviewed-by: brutisso, tschatzl, sjohanss

Merge

8024366: Make UseNUMA enable UseNUMAInterleaving Reviewed-by: brutisso, tschatzl Contributed-by: shrinivas.joshi@oracle.com

8033106: Wrong predicate for checking whether the correct amount of symbol table entries have been processed in G1 Summary: The change fixes the predicate check. Reviewed-by: jmasa, tonyp, stefank

6991197: G1: specialize deal_with_reference() for narrowOop* Summary: Clean up and slightly optimize reference handling from the GC reference task queue. Since we never push partial array chunks as narrowOop* we can manually specialize the code so that some code can be optimized away. Reviewed-by: tonyp, brutisso, stefank

8032771: The flag VerifySilently misses a test case Summary: Add test case for the VerifySilently flag. Reviewed-by: brutisso

Merge

7182040: volano29 limited by os resource on Linux - need better diagnostic message Summary: Changed message to "unable to create native thread: possibly out of memory or process/resource limits reached" Reviewed-by: dholmes, sla

8033792: AltHashing used jint for imprecise bit shifting Summary: AltHashing used jint the way of juint in bit shifting which could lead loss of precision. Fix by change _seed defined as juint. Reviewed-by: coleenp, ccheung Contributed-by: yumin.qi@oracle.com

Merge

Merge

8005262: possible gamma launcher issues Summary: Cleaned out make targets and comments associated with the previously removed gamma launcher Reviewed-by: dcubed, stefank

8028073: race condition in ObjectMonitor implementation causing deadlocks Summary: Move redo of ParkEvent.unpark() after JVMTI_EVENT_MONITOR_WAITED event handler is called. Reviewed-by: dholmes, sspitsyn, dice, acorn

8016644: Improve UnsupportedClassVersionError message Summary: Improved the UnsupportedClassVersionError message to hopefully be more user friendly Reviewed-by: coleenp, dholmes, twisti

Merge

8033528: assert(0 <= i && i < length()) failed: index out of bounds Summary: Restoring bytecodes for invokedynamic had wrong index calculation added testing stress option. Reviewed-by: twisti, hseigel

8033931: Several nightly tests failing with assert(imin < imax) failed: Unexpected page size Summary: Loosen new assert() in get_stack_commited_bottom() Reviewed-by: dcubed, coleenp, dsamersoff, hseigel Contributed-by: gerald.thornbrugh@oracle.com

8033714: hotspot 'install_jvm' bld target broken with ZIP_DEBUGINFO_FILES=0 Summary: fixed faulty logic in makefiles when compressed FDS builds are disabled Reviewed-by: rdurbin, dholmes, never, dnsimon, tbell

8025841: JVMTI: "vtable stub" dynamic code notification is misplaced Summary: Generate correct "vtable stub" dynamic code notifications Reviewed-by: sspitsyn, kvn, coleenp Contributed-by: oleg.mazurov@oracle.com

Merge

8029775: Solaris code cleanup 8033464: Linux code cleanup Summary: cleaned up warnings in solaris and linux specific os code. Reviewed-by: coleenp, fparain, dcubed Contributed-by: gerald.thornbrugh@oracle.com

Merge

8030808: dtrace/hotspot/Monitors/Monitors001 fails in product builds on solaris-sparc Reviewed-by: sspitsyn, dcubed, kamg, dholmes

8028735: runtime/RedefineObject/TestRedefineObject.java interrupted (timed out?) on solaris_sparcv9-fastdebug-c2-runtime and solaris_x64-debugOpen-c2-runtime Summary: Change GC loop counter to 100 which is enough to test the original problem but doesn't timeout the test. Reviewed-by: ctornqvi, lfoltan, mseledtsov, sla

8033289: clang: clean up unused function warning Reviewed-by: coleenp, dholmes, mgerdin

Merge

8032010: Attempt to resolve abstract method in concrete class fails with AbstractMethodError Summary: removing a check in LinkResolver::resolve_method() to conform with a change in JVMS-8 5.4.3.3. Method Resolution Reviewed-by: coleenp, lfoltan

8032223: nsk/regression/b4663146 gets assert(SafepointSynchronize::is_at_safepoint() || JvmtiEnv::is_thread_fully_suspended(get_thread(), false, &debug_bits)) Summary: It is better to calculate frame count for suspended threads at a safepoint Reviewed-by: twisti, dsamersoff, sla, dholmes, dcubed Contributed-by: serguei.spitsyn@oracle.com

8033126: Can't call default methods from JNI Reviewed-by: dholmes, acorn, kamg

8032462: Change the linux SDT implementation to use USDT2 instead of USDT1 Reviewed-by: coleenp, sspitsyn, kamg

Merge

8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher Summary: decoupled the '-XXaltjvm=<path>' option from the gamma launcher. Clearing the way for removing the remaining cruft associated with the previously removed gamma launcher. Reviewed-by: dcubed, dholmes

6656031: SA: jmap -permstat number of classes is off by 1 Reviewed-by: sla, dholmes

Added tag jdk9-b03 for changeset 69d4b2a482eb

Merge

8019729: JDK build HIGHEST compiler optimisation setting isn't valid for Sun C++ compiler Reviewed-by: tbell

8036145: Solaris standard grep does not understand -qE Reviewed-by: alanb, tbell

8036079: --with-boot-jdk-jvmargs configure options are ignored Reviewed-by: erikj

8035904: Solaris fastdebug builds are failing Reviewed-by: tbell

8035730: Configure fails in cygwin if current dir is in /home/user Reviewed-by: tbell

8035825: Warn instead of fail when calling the configure wrapper directly Reviewed-by: dholmes, tbell