Merge

Merge

Merge

6744127: NullPointerException at com.sun.tools.jdi.EventRequestManagerImpl.request Reviewed-by: jbachorik, sspitsyn Contributed-by: harsha.wardhana.b@oracle.com

7065236: To interpret case-insensitive string locale independently Reviewed-by: jbachorik Contributed-by: harsha.wardhana.b@oracle.com

8145982: JMXInterfaceBindingTest is failing intermittently Reviewed-by: chegar, sgehwolf, olagneau

Merge

8071507: (ref) Clear phantom reference as soft and weak references do Summary: GC clears phantom refs on notification; update spec accordingly. Reviewed-by: mchung, jmasa

8067194: Restructure hotspot/agent/src to conform the modular source layout Summary: Move sources under jdk.hotspot.agent Reviewed-by: ihse, erikj, jbachorik

6425769: Allow specifying an address to bind JMX remote connector Reviewed-by: jbachorik, dfuchs

8138677: IllegalAccessException Class sun.usagetracker.UsageTrackerClient$4 (module java.base) can not access a member of class java.lang.management.ManagementFactory (module java.management) Reviewed-by: alanb, mchung, dholmes, erikj, ihse

8145408: com/sun/jdi/BreakpointWithFullGC.sh Required output "Full GC" not found Summary: Modified the test so it correctly parses the new debug output Reviewed-by: jbachorik

8145212: ISO-8859-1 isn't properly handled as 'fastEncoding' in jni_util.c Reviewed-by: martin, rriggs

Merge

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

Merge

8136924: Vectorized support for array equals/compare/mismatch using Unsafe Reviewed-by: plevart, jrose, kvn

8133348: Reference.reachabilityFence Reviewed-by: plevart, mr, chegar, mchung Contributed-by: dl@cs.oswego.edu, aleksey.shipilev@oracle.com, paul.sandoz@oracle.com

8143628: Fork sun.misc.Unsafe and jdk.internal.misc.Unsafe native method tables Reviewed-by: shade, dholmes, alanb, chegar, mchung

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

Merge

Merge

Merge

8073139: PPC64: User-visible arch directory and os.arch value on ppc64le cause issues with Java tooling Summary: Add ppc64le/jvm.cfg, check for the ppc64le in addition to ppc64 in tests Reviewed-by: dholmes, ihse Contributed-by: Andrew Hughes <gnu.andrew@redhat.com>, Alexander Smundak <asmundak@google.com>

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

8145092: Use Unified Logging for the GC logging Summary: JEP-271 Reviewed-by: sjohanss, brutisso

8081512: Remove sun.invoke.anon classes, or move / co-locate them with tests Reviewed-by: mchung, sundar

8146086: Publishing two webservices on same port fails with "java.net.BindException: Address already in use" Reviewed-by: chegar

8146213: (so) Test java/nio/channels/ServerSocketChannel/AdaptServerSocket.java failed intermittently with Connection refused Reviewed-by: bpb, alanb Contributed-by: huaming.li@oracle.com

8147508: Correct fix for JDK-8147480 Reviewed-by: martin

8146403: Windows build can be faster Reviewed-by: ihse

8146669: Test SessionTimeOutTests fails intermittently Reviewed-by: mullan

Added tag jdk-9+102 for changeset 93b315c61ca3

Merge

Merge

8145596: Enable debug symbols for all libraries Reviewed-by: erikj

Merge

8146660: Resolve merge issue in resulting from sun.misc.VM move to jdk.internal.misc Reviewed-by: twisti, erikj, chegar

Merge

Merge

8145593: Clean up metaspaceShared.cpp Reviewed-by: jiangli

8145294: TestLogRotation.java triggers a race in the UL framework Reviewed-by: sla, mgronlun

8144220: UL does not support full path names for log files on windows Reviewed-by: sla, mgronlun

8145083: Use semaphore instead of mutex for synchronization of Unified Logging configuration Reviewed-by: dholmes, kbarrett, mgronlun

8065331: Add trace events for failed allocations Reviewed-by: brutisso, ehelin

Merge

8071507: (ref) Clear phantom reference as soft and weak references do Summary: GC clears phantom refs on notification; update spec accordingly. Reviewed-by: mchung, jmasa

8146098: Visual Studio build fails after SA restructure Reviewed-by: goetz, hseigel, dsamersoff

Merge

8146011: sun/management/jmxremote/bootstrap/CustomLauncherTest crash at assert(stack_size) Summary: We were setting stack_overflow_limit before initialization completed which may change the stack base for some solaris systems with unlimited stack Reviewed-by: goetz, hseigel, gthornbr

8145606: [TESTBUG] MonitorInflationTest.java should be rewritten to be more predictable Summary: logging/MonitorInflationTest.java now forced an object inflation and looks for that object. It no longer tests for object deflation. Reviewed-by: gtriantafill, coleenp, iklam

Merge

8144874: Reimplement TraceClassResolution with Unified Logging. Summary: TraceClassResolution reimplemented with classresolve tag. Reviewed-by: coleenp, dholmes, iklam, rprotacio

8042660: vm/mlvm/anonloader/stress/byteMutation failed with: assert(index >=0 && index < _length) failed: symbol index overflow Summary: Detect zero length signatures and throw ClassFormatError before bad dereference occurs Reviewed-by: coleenp, lfoltan, acorn, gtriantafill

8067194: Restructure hotspot/agent/src to conform the modular source layout Summary: Move sources under jdk.hotspot.agent Reviewed-by: ihse, erikj, jbachorik

8141211: Convert TraceExceptions to Unified Logging Summary: The -XX:+TraceExceptions flag has been updated to the unified logging framework, i.e. -Xlog:exceptions. The old flag, because it is product-level, has been aliased to the UL option. Reviewed-by: dholmes, coleenp, mockner

Merge

8074457: Remove the non-Zero CPP Interpreter Summary: Remove cppInterpreter assembly files and reorganize InterpreterGenerator includes Reviewed-by: goetz, bdelsart

Merge

8048521: Remove obsolete code from os_windows.cpp/hpp Reviewed-by: coleenp, rdurbin

8145774: Move scrubbing setup code away out of ConcurrentMark Summary: Remove dependency of ConcurrentMark to G1RemSet. Reviewed-by: jmasa, mgerdin

8145672: Remove dependency of G1FromCardCache to HeapRegionRemSet Summary: Move HeapRegionRemSet::num_par_rem_sets() to G1RemSet, and document it. Reviewed-by: mgerdin, jmasa

Merge

8145271: stand-alone hotspot build is broken Reviewed-by: ihse

Merge

8132723: Add tests which check that soft references to humongous objects should work correctly 8132724: Add tests which check that weak references to humongous objects should work correctly Reviewed-by: jmasa, dfazunen

Merge

8068394: Trace event for concurrent GC phases Summary: Add concurrent phase events for CMS and G1 Reviewed-by: brutisso, stefank

8144949: TestOptionsWithRanges -XX:NUMAInterleaveGranularity=2147483648 crashes VM Summary: Changed max range to 2G/8192G for NUMAInterleaveGranularity and removed constraint function Reviewed-by: jwilhelm, jmasa

Merge

8139864: Improve handling of stack protection zones. Reviewed-by: stuefe, coleenp, fparain

8145671: Rename FromCardCache to G1FromCardCache Reviewed-by: jmasa, mgerdin

8145667: Move FromCardCache into separate files Reviewed-by: mgerdin, stefank

8145674: Fix includes and forward declarations in g1Remset files Reviewed-by: simonis, stefank

Merge

8143215: gcc 4.1.2: fix three issues breaking the build. Summary: Also fix some more recent introduced missing casts. Reviewed-by: stuefe, simonis, kbarrett, tschatzl

Merge

8144256: compiler/uncommontrap/TestStackBangRbp.java crashes VM on Solaris Summary: Take out inlining of methodHandle copy constructors and destructors Reviewed-by: hseigel, gtriantafill

8145445: [TESTBUG] runtime/logging tests need to properly build and import libraries Summary: Adds the proper @build and import lines to the jtreg tests in the runtime/logging directory. Reviewed-by: iklam, hseigel

Merge

8145752: Fix include guards in GC code Reviewed-by: mgerdin, stefank

8145673: G1RemSetSummary.hpp uses FREE_C_HEAP_ARRAY Summary: Move destructor work into cpp file Reviewed-by: mgerdin, stefank

8145534: TestRemsetLogging.java takes a long time Summary: Improve the test and test settings to decrease the time it takes. Reviewed-by: brutisso, jmasa, dfazunen

8145317: ReservedStackTest fails with ReentrantLock looks corrupted Reviewed-by: acorn, dcubed

Merge

6425769: Allow specifying an address to bind JMX remote connector Reviewed-by: jbachorik, dfuchs

8138677: IllegalAccessException Class sun.usagetracker.UsageTrackerClient$4 (module java.base) can not access a member of class java.lang.management.ManagementFactory (module java.management) Reviewed-by: alanb, mchung, dholmes, erikj, ihse

8144716: Unable to build in Visual Studio after JVMCI change Reviewed-by: twisti, mgronlun

8145400: ProjectCreator broken after JEP 223 changes Reviewed-by: lfoltan, mgronlun

8145603: Enable build.bat to use vcproj to build Reviewed-by: mgronlun, mikael, gtriantafill

8145629: Disable test/runtime/logging/MonitorInflationTest.java Summary: @ignore-ed logging/MonitorInflationTest.java Reviewed-by: hseigel, ctornqvi

8079125: [aix] clean up Linux-specific code remnants in AIX coding Reviewed-by: goetz

8145620: Disable compiler/floatingpoint/ModNaN.java Reviewed-by: dholmes, coleenp

8145528: PPC64: Remove cpp interpreter implementation - part II Reviewed-by: coleenp

8145315: VM crashes in print_task_time_stamps() Reviewed-by: jwilhelm, jmasa

8144219: [posix] Remove redundant code around os::print_siginfo() Summary: for posix platforms, consolidate os::print_siginfo() in os_posix.cpp and remove cds fault special handling Reviewed-by: dholmes, simonis

8144853: Print the names of callees in PrintAssembly/PrintInterpreter Reviewed-by: dholmes, vlivanov

Merge

Merge

Merge

8145153: Convert TraceMonitorInflation to Unified Logging Summary: Updated -XX:+TraceMonitorInflation flag to -Xlog:monitorinflation=debug, with an alias (and related alias table) to support the old option. Reviewed-by: dholmes, mockner, coleenp

Merge

Merge

8139768: Running with -XX:CMSOldPLABNumRefills=2147483648 causes EXCEPTION_INT_DIVIDE_BY_ZERO on Windows i586 Summary: Use double arithmetic to avoid integer overflow Reviewed-by: jwilhelm, tbenson

8143933: Create testlibrary for auxiliary methods used in g1/humongousObjects testing Reviewed-by: iignatyev, dfazunen

8145117: PPC64: Remove cpp interpreter implementation Reviewed-by: coleenp, mdoerr

Merge

8142909: Integration of minor fixes from the build-infra project Reviewed-by: dholmes, erikj

8145303: Clean up the units for log_gc_footer Reviewed-by: david, tschatzl, goetz

8145015: jni_GetStringCritical asserts for empty strings Reviewed-by: thartmann, dholmes

Merge

8146001: Remove support for command line options from JVMCI Reviewed-by: twisti

8146286: aarch64: guarantee failures with large code cache sizes on jtreg test java/lang/invoke/LFCaching/LFMultiThreadCachingTest.java Summary: patch trampoline calls with special case bl to itself which does not cause guarantee failure Reviewed-by: aph

Merge

8144993: Elide redundant memory barrier after AllocationNode Summary: Elide memory barrier for AllocationNode when it doesn't escape in initializer and has an MemBarRelease node at exit of initializer method. Reviewed-by: aph, mdoerr, goetz, kvn, asiebenborn

8145913: PPC64: add Montgomery multiply intrinsic Reviewed-by: aph, goetz

8145096: Undefined behaviour in HotSpot Summary: Fix some integer overflows Reviewed-by: jrose, kvn, kbarrett, adinn, iklam

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

8146245: compiler/jvmci/ tests fail: java.lang.AssertionError: minimum config for aarch64 Reviewed-by: kvn

8146157: JVMCI must not fold accesses to @Stable fields if -XX:-FoldStableValues Reviewed-by: twisti

8146231: ppc64/gcc 4.1.2: fix build after "8143072: [JVMCI] Port JVMCI to AArch64" Reviewed-by: goetz

8146205: quarantine compiler/jvmci/compilerToVM/ExecuteInstalledCodeTest.java Reviewed-by: kvn

Merge

8143072: [JVMCI] Port JVMCI to AArch64 Reviewed-by: gdub, rschatz, twisti, kvn Contributed-by: aph@redhat.com

8146129: quarantine compiler/cpuflags/TestAESIntrinsicsOnSupportedConfig.java Reviewed-by: twisti

8145688: Update for x86 pow in the math lib Summary: Optimizes Math.pow() for 64 and 32 bit X86 architecture using Intel LIBM implementation. Reviewed-by: kvn Contributed-by: vivek.r.deshpande@intel.com

8146043: run JVMCI tests in JPRT Reviewed-by: iklam, ctornqvi, collins

8146100: compiler/jvmci/code/SimpleCodeInstallationTest.java JUnit Failure: expected:<12> but was:<109710641> Reviewed-by: kvn

8145435: [JVMCI] some tests on Windows fail with: assert(!thread->is_Java_thread()) failed: must not be java thread Reviewed-by: never, dnsimon, dholmes, coleenp

Merge

8145328: SEGV in DirectivesStack::getMatchingDirective Summary: Loop until enabled directive is found Reviewed-by: kvn, twisti

8144487: PhaseIdealLoop::build_and_optimize() must restore major_progress flag if skip_loop_opts is true Summary: Restore the major_progress flag before calling igvn.optimize(). Reviewed-by: kvn

8145754: PhaseIdealLoop::is_scaled_iv_plus_offset() does not match AddI Summary: is_scaled_iv_plus_offset() should handle AddI nodes with scaled iv as second input. Reviewed-by: kvn

8145566: PrintNMethods compile command broken since b89 Summary: Decremented Symbol twice Reviewed-by: thartmann, kvn

8144704: [JVMCI] add tests for simple code installation Reviewed-by: twisti

8145717: Use AVX3 instructions for Arrays.equals() intrinsic Reviewed-by: kvn Contributed-by: jan.civlin@intel.com

Merge

Merge

8145714: [JVMCI] SPARC broken after JDK-8134994 Reviewed-by: kvn

8144852: Corrupted oop in nmethod Reviewed-by: vlivanov

8144091: CompilerControl: directive file doesn't override inlining rules Summary: Fix correct overrides Reviewed-by: roland

8145345: LogCompilation output is empty after JEP165: Compiler Control Summary: Fix default init and compilecommand update Reviewed-by: kvn

8144246: adding lots of directives via jcmd may produce OOM crash Summary: Add a limit to the number of directives Reviewed-by: kvn

8141351: Create tests for direct invoke instructions testing Summary: Tests for invoke* instructions Reviewed-by: twisti

8145553: Fix warnings in AArch64 directory Reviewed-by: kvn

8144582: AArch64 does not generate correct branch profile data Reviewed-by: kvn

8145438: Guarantee failures since 8144028: Use AArch64 bit-test instructions in C2 Summary: Implement short and long versions of bit test instructions. Reviewed-by: kvn

Merge

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

8079667: port vm/compiler/AESIntrinsics/CheckIntrinsics into jtreg Reviewed-by: kvn Contributed-by: alexander.vorobyev@oracle.com

8144498: aarch64: large code cache generates SEGV Summary: Fix pd_call_destination to use is_call_at rather than is_call Reviewed-by: aph, adinn

Merge

8145320: Create unsafe_arraycopy and generic_arraycopy for AArch64 Reviewed-by: kvn

8145300: ppc64: fix port of "8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls" Reviewed-by: simonis

8144850: C1: operator delete needs an implementation Reviewed-by: kvn

Merge

8145338: compiler/jsr292/CallSiteDepContextTest.java fails: assert(dep_implicit_context_arg(dept) == 0) failed: sanity Reviewed-by: twisti

8145270: Need to eagerly initialize JVMCI compiler under -Xcomp Reviewed-by: twisti

8144771: Use AVX3 instructions for string compare Reviewed-by: kvn, thartmann Contributed-by: jan.civlin@intel.com, michael.c.berg@intel.com

8144466: ppc64: fix argument passing through opto stubs. Reviewed-by: kvn

Merge

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

8143817: C1: Platform dependent stack space not preserved for all runtime calls Reviewed-by: roland

8145137: Incorrect call signature can be used in nmethod::preserve_callee_argument_oops Reviewed-by: roland, jrose

8145026: compiler/jsr292/NonInlinedCall/RedefineTest.java fails with: java.lang.NullPointerException in ClassFileInstaller.main Reviewed-by: roland

8144935: C2: safepoint is pruned from a non-counted loop Reviewed-by: roland

8144601: Premature assert in directive inline parsing Summary: Break after first fail Reviewed-by: roland

8144944: JVMCI compiler initialization can happen on different thread than JVMCI initialization Reviewed-by: twisti

8143628: Fork sun.misc.Unsafe and jdk.internal.misc.Unsafe native method tables Reviewed-by: shade, dholmes, alanb, chegar, mchung, roland

6808665: Use486InstrsOnly aborts 32-bit VM Summary: The code supporting -XX:+/-Use486InstrsOnly was removed. Reviewed-by: dholmes, thartmann, vlivanov Contributed-by: Jamsheed Mohammed <jamsheed.c.m@oracle.com>

8144933: CompilerControl: commandfile/ExcludeTest has incorrect jtreg run innotation Summary: fix incorrect full test name Reviewed-by: kvn

8140667: CompilerControl: tests incorrectly set states for excluded methods Summary: fix exclude command generation Reviewed-by: kvn

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

Merge

8134883: C1 hard crash in range check elimination in Nashorn test262parallel Summary: C1's range check elimination breaks with a non-natural loop that has an exception handler as one entry Reviewed-by: iveresov

8144587: aarch64: generate vectorized MLA/MLS instructions Summary: Add support for MLA/MLS (vector) instructions Reviewed-by: roland

Merge

8143930: C1 LinearScan asserts when compiling two back-to-back CompareAndSwapLongs Summary: refactor CAS code to decrease register pressure in c1 Reviewed-by: kvn, shade

8144822: PPC64: Fix build after 8072008 Reviewed-by: goetz

8143571: [JVMCI] Double unregistering of nmethod during unloading Reviewed-by: iveresov, twisti

Merge

8144748: Move assembler/macroAssembler inline function definitions to corresponding inline.hpp files Reviewed-by: kvn, coleenp

Merge

8144657: Invalid format specifiers in jvmci trace messages Reviewed-by: kvn

8136445: Performance issue with Nashorn and C2's global code motion Reviewed-by: kvn

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

8144019: PPC64 C1: Introduce Client Compiler Reviewed-by: goetz

6869327: Add new C2 flag to keep safepoints in counted loops. Reviewed-by: kvn, shade

Merge

8146481: Disable runtime/logging/DefaultMethodsTest.java Summary: @ignore'd DefaultMethodsTest.java Reviewed-by: gtriantafill, coleenp, hseigel

Merge

Merge

8145301: Improve and unify the printout format for the g1HRPrinter. Reviewed-by: brutisso, tschatzl

8145292: PPC64: fix build after "8046936: JEP 270: Reserved Stack Areas for Critical Sections" Reviewed-by: simonis

8145114: const-correctness for ucontext_t* reading functions Reviewed-by: dholmes, coleenp

8145103: [aix] implement os::print_register_info() Reviewed-by: goetz, dholmes

8073139: PPC64: User-visible arch directory and os.arch value on ppc64le cause issues with Java tooling Summary: Set LIBARCH to ppc64le, make SA and hsdis work, have os.arch return ppc64le on PowerPC64 LE Reviewed-by: dholmes, ihse Contributed-by: Andrew Hughes <gnu.andrew@redhat.com>, Alexander Smundak <asmundak@google.com>

8142874: [TESTBUG] OptionsValidation testing framework needs to handle VM error codes in some cases Reviewed-by: gtriantafill, stsmirno, ctornqvi, gziemski

8144885: agent/src/os/linux/libproc.h needs to support Linux/SPARC builds Summary: Added include of asm/ptrace.h to libproc.h Reviewed-by: dsamersoff, asmundak, gthornbr

Merge

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

8144908: Remove apply_to_weak_ref_discovered_field override for UpdateRSOopClosure Reviewed-by: kbarrett, jmasa

8144701: Change three G1 remembererd set closures to be OopClosures Reviewed-by: mgerdin, stefank

8144584: Change FilterIntoCSClosure to inherit OopClosure Reviewed-by: kbarrett, mgerdin

8144505: Change G1ParCopyHelper to inherit OopClosure Reviewed-by: mgerdin, stefank

Merge

8144996: Replace the HeapRegionSetCount class with an uint Reviewed-by: brutisso, jwilhelm

8145061: Too many instances of java.lang.Boolean created in Java application (hotspot repo) Summary: Avoid creating unused instances of Long and Boolean Reviewed-by: dholmes, sla

8144847: PPC64: Update Transactional Memory and Atomic::cmpxchg code Reviewed-by: stuefe, goetz

8144486: Change G1UpdateRSOrPushRefOopClosure to inherit OopClosure Reviewed-by: mgerdin, stefank

8145092: Use Unified Logging for the GC logging Summary: JEP-271. VM changes contributed by brutisso, test changes contributed by david. Reviewed-by: sjohanss, david, brutisso Contributed-by: bengt.rutisson@oracle.com, david.lindholm@oralce.com

Merge

Merge

8139871: G1CollectorPolicy::_cur_mark_stop_world_time_ms is never read from Summary: Remove dead code Reviewed-by: tschatzl, jwilhelm

Merge

8144921: Remove JDK6_OR_EARLIER code from os_windows Reviewed-by: dholmes, mseledtsov, gtriantafill

8015396: double a%b returns NaN for some (a,b) (|a| < inf, |b|>0) Reviewed-by: coleenp, gtriantafill

Merge

8139484: [Findbugs] new sun.jvm.hotspot.SAGetopt(String[]) may expose internal representation Summary: Clone array instead of just assign it Reviewed-by: dholmes

Merge

8144714: Add extension point to G1 evacuation closures Reviewed-by: ehelin, jmasa

Merge

8145099: Better error message when SA can't attach to a process Reviewed-by: jbachorik, stuefe

Merge

8145073: Filename and linenumber are not printed for asserts any more. Reviewed-by: dholmes, stuefe

8144197: Possible use after free in Arguments::add_property function Reviewed-by: dholmes, goetz

8144332: HSDB could not terminate when close button is pushed. Reviewed-by: jbachorik

8144965: Show oop pointer in call frame at HSDB. Reviewed-by: jbachorik

8133023: ParallelGCThreads is not calculated correctly Reviewed-by: kbarrett, tschatzl, sangheki, dholmes

Merge

Merge

8141123: Cleanup in FreeIdSet Summary: Some members of FreeIdSet should be size_t instead of ints. Also remove unused code Reviewed-by: tschatzl, kbarrett, tbenson

Added tag jdk-9+102 for changeset 62df07007db2

Merge

8147950: Change JPRT to use new platforms for Linux, Windows and Macosx Reviewed-by: tbell

8147934: Remove --with-sdk-name from macosx jib profile Reviewed-by: ihse

8147933: Configure check for number of cpus ignores HT on Macosx Reviewed-by: ihse

8134605: Partial rework of the fix for 8081297 Reviewed-by: xuelei, coffeys, valeriep

8147786: Building hotspot gives error message from find Reviewed-by: ihse