Merge

6820066: Check that -XX:ParGCArrayScanChunk has a value larger than zero. Summary: Check that -XX:ParGCArrayScanChunk has a value larger than zero. Reviewed-by: johnc, jmasa, ysr

6987703: iCMS: Intermittent hang with gc/gctests/CallGC/CallGC01 and +ExplicitGCInvokesConcurrent Summary: Count enable_icms() and disable_icms() events so as to prevent inteference between concurrent calls, which can cause the iCMS thread to be left stranded in icms_wait() with an unserviced request and no young allocations to unwedge it. Reviewed-by: jcoomes, poonam

7023747: G1: too strict assert in RefineRecordRefsIntoCSCardTableEntryClosure::do_card_ptr in g1RemSet.cpp Summary: Made sure that the assert looks at ParallelGCThreads. Reviewed-by: stefank, tonyp, jwilhelm, johnc

7022943: G1: improve logging to avoid interleaved numbers Summary: Introduced buffered loggging to make sure that log lines are logged one line at a time Reviewed-by: stefank, johnc, dsamersoff

7018056: large pages not always enabled by default Reviewed-by: phh, kvn

7014923: G1: code cleanup Summary: Some G1 code cleanup. Reviewed-by: johnc, jcoomes, jwilhelm

Merge

7011865: JSR 292 CTW fails: !THREAD->is_Compiler_thread() failed: Can not load classes with the Compiler thre Reviewed-by: kvn, never

7028394: Newer AMD Processor Prefetch Defaults Summary: This new default has shown improvement across many workloads. Reviewed-by: kvn Contributed-by: tom.deneau@amd.com

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

Merge

7026631: field _klass is incorrectly set for dual type of TypeAryPtr::OOPS Summary: add missing check this->dual() != TypeAryPtr::OOPS into TypeAryPtr::klass(). Reviewed-by: never

7025742: Can not use CodeCache::unallocated_capacity() with fragmented CodeCache Summary: Use largest_free_block() instead of unallocated_capacity(). Reviewed-by: iveresov, never, ysr

6965570: assert(!needs_patching && x->is_loaded(),"how do we know it's volatile if it's not loaded") Reviewed-by: iveresov

6589823: Error: meet not symmetric Summary: arrays pointers meet must fall to bottom if exact array klasses in upper lattice are not equal or super klass is exact. Reviewed-by: never

Merge

7024866: # assert(limit == NULL || limit <= nm->code_end()) failed: in bounds Reviewed-by: kvn, iveresov

7020403: Add AdvancedCompilationPolicy for tiered Summary: This implements adaptive tiered compilation policy. Reviewed-by: kvn, never

Merge

Merge

7011490: Wrong computation results in Test6880034 Summary: incorrect handling of c2i deoptimization on little endian architectures Reviewed-by: never

7019165: Incorrect symbols in pstack output after SymbolTable changes Summary: And out lsb which is set for symbols in constant pool slots to distinguish them from strings Reviewed-by: phh, dholmes, never, dcubed

Merge

7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue Summary: Change nmethod_lock() to also prevent zombification of the nmethod. CompiledMethodUnload events also need to lock the nmethod. Clean ups in nmethod::make_not_entrant_or_zombie() Reviewed-by: dholmes, kamg, never, dsamersoff, ysr, coleenp, acorn

7024234: 2/3 jvmti tests fail assert(!_oops_are_stale) failed: oops are stale on Win-AMD64 Summary: Move initialization of the '_instance' field to avoid race with ServiceThread start. Reviewed-by: dholmes, kamg, never, dsamersoff, ysr, coleenp, acorn

Merge

7023931: PcDescCache::find_pc_desc should not write _last_pc_desc Summary: Remove _last_pc_desc and use pcdescs[0] instead. Reviewed-by: dcubed, coleenp, ysr

7025485: leverage shared x86-only deoptimization code Summary: removed an ifdef IA32 around harmless code useful for some ports Reviewed-by: chrisphi, never