8160399: is_oop_or_null involves undefined behavior
8164984: Improper use of is_oop in production code
Summary: replace oop->is_oop*() with oopDesc::is_oop*(oop) so this pointer can be verified
Reviewed-by: iklam, kvn, dholmes

8183039: Re-examine methodHandle methods uninlined by 8144256
Summary: Add more const references so out-of-line methodHandle destructor and copy ctor called infrequently
Reviewed-by: hseigel, redestad

8183575: Runtime1::oop_arraycopy is unused and should be removed
Summary: Runtime1::oop_arraycopy and its friend Runtime1::primitive_arraycopy are no longer used and this changeset removes them.
Reviewed-by: kvn, tschatzl

8178363: Incorrect check for nmethod re-registration in C1
Reviewed-by: stefank, rbackman

8155672: Remove instanceKlassHandles and KlassHandles
Summary: Summary: Use unhandled pointers for Klass and InstanceKlass, remove handles with no implementation.
Reviewed-by: dholmes, lfoltan, vlivanov, sspitsyn

8169881: Remove implicit Handle conversions oop->Handle
Summary: Pass THREAD to Handle as argument instead of implicit Thread::current() call.
Reviewed-by: dholmes, sspitsyn

8168503: JEP 297: Unified arm32/arm64 Port
Reviewed-by: kvn, enevill, ihse, dholmes, erikj, coleenp, cjplummer

8164480: Crash with assert(handler_address == SharedRuntime::compute_compiled_exc_handler(..) failed: Must be the same
Summary: Exception checking code needs to handle pre-allocated exceptions.
Reviewed-by: dnsimon, kvn

8157907: Incorrect inclusion of atomic.hpp instead of atomic.inline.hpp
Summary: Remove atomic.inline.hpp and move the contents back into atomic.hpp
Reviewed-by: stefank, pliden, simonis

8157181: Compilers accept modification of final fields outside initializer methods
Summary: Track initialized final field updates; disable constant folding if an update is detected. Enforce final field update rules introduced by JVMS-7 (but only for JDK 9).
Reviewed-by: vlivanov, dnsimon, forax, never, kvn, coleenp

8151268: Wire up the x86 _vectorizedMismatch stub routine in C1
Reviewed-by: kvn

8155162: java.util.zip.CRC32C Interpreter/C1 intrinsics support on SPARC
Reviewed-by: kvn
Contributed-by: ahmed.khawaja@oracle.com

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

Merge

8141420: Compiler runtime entries don't hold Klass* from being GCed
Reviewed-by: kvn, coleenp

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

8151130: [BACKOUT] Remove Method::_method_data for C1
Summary: Backing out the fix for JDK-8147978 because it fails and blocks integration.
Reviewed-by: vlivanov, zmajo

8147978: Remove Method::_method_data for C1
Summary: Method::_method_data field removed when not using C2 or JVMCI
Reviewed-by: dholmes, kvn

Merge

8146983: C1: assert(appendix.not_null()) failed for invokehandle bytecode
Reviewed-by: roland

Merge

8140659: C1: invokedynamic call patching violates JVMS-6.5.invokedynamic
Reviewed-by: roland

8071374: -XX:+PrintAssembly -XX:+PrintSignatureHandlers crash fastdebug VM with assert(limit == __null || limit <= nm->code_end()) in RelocIterator::initialize
Reviewed-by: kvn, iklam, shade

8143353: update for x86 sin and cos in the math lib
Summary: Optimize Math.sin() and cos() for 64 and 32 bit X86 architecture using Intel LIBM implementation.
Reviewed-by: kvn

Merge

8144953: runtime/CommandLine/TraceExceptionsTest.java fails when exception is thrown in compiled code
Summary: Added long-form logging message to three places in code, allowing TraceExceptionsTest.java to pass with compiled code.
Reviewed-by: dholmes, coleenp, lfoltan

Merge

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

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

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

8138896: C1: NativeGeneralJump is mixed up with NativeCall in C1 patching code
Reviewed-by: twisti, vlivanov

8138952: C1: Distinguish between PPC32 and PPC64
Reviewed-by: twisti, goetz, vlivanov

Merge

8139575: Update for x86 log in the math lib
Summary: Add new java.lang.Math() intrinsics from x86
Reviewed-by: kvn, iveresov
Contributed-by: vivek.r.deshpande@intel.com

Merge

8136577: Make AbortVMOnException available in product builds
Reviewed-by: coleenp

8132207: update for x86 exp in the math lib
Summary: Add new java.lang.Math() intrinsics from x86
Reviewed-by: kvn, iveresov
Contributed-by: vivek.r.deshpande@intel.com

8087333: Optionally Pre-Generate the HotSpot Template Interpreter
Summary: Optional support for pregenerated template interpreter
Reviewed-by: coleenp, dholmes, kvn

8079792: GC directory structure cleanup
Reviewed-by: brutisso, stefank, david

8064458: OopMap class could be more compact
Reviewed-by: kvn, bdelsart

8072383: resolve conflicts between open and closed ports
Summary: refactor close to remove references to closed ports
Reviewed-by: kvn, simonis, dholmes

8064611: AARCH64: Changes to HotSpot shared code
Summary: Everything except cpu/ and os_cpu/
Reviewed-by: dholmes, goetz, dlong, coleenp, kvn

8054224: Recursive method that was compiled by C1 is unable to catch StackOverflowError
Summary: do not update exception cache if exception is replaced when thrown
Reviewed-by: kvn, iveresov

Merge

8049325: Introduce and clean up umbrella headers for the files in the cpu subdirectories.
Summary: Introduce and clean up umbrella headers for the files in the cpu subdirectories.
Reviewed-by: lfoltan, coleenp, dholmes

8049421: G1 Class Unloading after completing a concurrent mark cycle
Reviewed-by: tschatzl, ehelin, brutisso, coleenp, roland, iveresov
Contributed-by: stefan.karlsson@oracle.com, mikael.gerdin@oracle.com

8049420: Backout 8048248 to correct attribution
Reviewed-by: ehelin, brutisso

8048248: G1 Class Unloading after completing a concurrent mark cycle
Reviewed-by: tschatzl, ehelin, brutisso, coleenp, roland, iveresov

8044775: Improve usage of umbrella header atomic.inline.hpp.
Reviewed-by: stefank, kvn

8033145: Runtime1::arraycopy_count_address uses wrong _oop_arraycopy_cnt variable
Summary: The method Runtime1::arraycopy_count_address(..) returns the address of Runtime::_oop_arraycopy_cnt instead of the the file static variable _oop_arraycopy_cnt.
Reviewed-by: roland, kvn, twisti

8032463: VirtualDispatch test timeout with DeoptimizeALot
Summary: Introduce code aging for warm method detection
Reviewed-by: kvn, twisti

8037816: Fix for 8036122 breaks build with Xcode5/clang
Summary: Repaired or selectively disabled offending formats; future-proofed with additional checking
Reviewed-by: kvn, jrose, stefank

8033380: Experimental VM flag to enforce access atomicity
Summary: -XX:+AlwaysAtomicAccesses to unconditionally enforce the access atomicity.
Reviewed-by: roland, kvn, iveresov

8005173: assert(false) failed: DEBUG MESSAGE: exception oop must be empty (macroAssembler_x86.cpp:625)
Reviewed-by: kvn, iveresov

Merge

Merge

8024990: JT_JDK: 11 failures with SIGSEGV on arm-sflt platforms in nightly fastdebug build.
Summary: Enable patching for load_appendix_id.
Reviewed-by: kvn, dlong, bdelsart

7195622: CheckUnhandledOops has limited usefulness now
Summary: Enable CHECK_UNHANDLED_OOPS in fastdebug builds across all supported platforms.
Reviewed-by: coleenp, hseigel, dholmes, stefank, twisti, ihse, rdurbin
Contributed-by: lois.foltan@oracle.com

8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
Summary: Enhance method resolution and resulting data structures, plus some refactoring.
Reviewed-by: twisti, acorn, jrose

7199175: JSR 292: C1 needs patching when invokedynamic/invokehandle call site is not linked
Summary: Do patching rather bailing out for unlinked call with appendix
Reviewed-by: twisti, kvn

7145569: G1: optimize nmethods scanning
Summary: Add a list of nmethods to the RSet for a region that contain references into the region. Skip scanning the code cache during root scanning and scan the nmethod lists during RSet scanning instead.
Reviewed-by: tschatzl, brutisso, mgerdin, twisti, kvn

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

8003557: NPG: Klass* const k should be const Klass* k.
Summary: With NPG, const KlassOop klass which is in fact a definition converted to Klass* const, which is not the original intention. The right usage is converting them to const Klass*.
Reviewed-by: coleenp, kvn
Contributed-by: yumin.qi@oracle.com

7153771: array bound check elimination for c1
Summary: when possible optimize out array bound checks, inserting predicates when needed.
Reviewed-by: never, kvn, twisti
Contributed-by: thomaswue <thomas.wuerthinger@oracle.com>

8001471: Klass::cast() does nothing
Summary: Remove function Klass::cast() and calls to it.
Reviewed-by: dholmes, coleenp

8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
Summary: Capitalize these metadata types (and objArrayKlass)
Reviewed-by: stefank, twisti, kvn

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>

7171890: C1: add Class.isInstance intrinsic
Summary: Class.cast which calls Class.isInstance is heavily used by the new JSR 292 implementation
Reviewed-by: roland
Contributed-by: Krystal Mok <rednaxelafx@gmail.com>

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

7141200: log some interesting information in ring buffers for crashes
Reviewed-by: kvn, jrose, kevinw, brutisso, twisti, jmasa

7131259: compile_method and CompilationPolicy::event shouldn't be declared TRAPS
Summary: Make sure that CompilationPolicy::event() doesn't throw exceptions
Reviewed-by: kvn, never

7102657: JSR 292: C1 deoptimizes unlinked invokedynamic call sites infinitely
Reviewed-by: never, bdelsart

7083786: dead various dead chunks of code
Reviewed-by: iveresov, kvn

7057120: Tiered: Allow C1 to inline methods with loops
Summary: Recompile the enclosing methods without inlining of the method that has OSRed to level 4 or recompile the enclosing method at level 4.
Reviewed-by: kvn, never

7035861: linux-armsflt: assert(ni->data() == (int)(x + o)) failed: instructions must match
Summary: The change avoids generating relocation info entry for the staging area patching stub on systems that don't support movw/movt instructions
Reviewed-by: bdelsart

7033154: Improve C1 arraycopy performance
Summary: better static analysis. Take advantage of array copy stubs.
Reviewed-by: never

7017732: move static fields into Class to prepare for perm gen removal
Reviewed-by: kvn, coleenp, twisti, stefank

7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
Reviewed-by: never, bdelsart

7008809: should report the class in ArrayStoreExceptions from compiled code
Reviewed-by: iveresov, twisti

4926272: methodOopDesc::method_from_bcp is unsafe
Reviewed-by: coleenp, jrose, kvn, dcubed

6985015: C1 needs to support compressed oops
Summary: This change implements compressed oops for C1 for x64 and sparc. The changes are mostly on the codegen level, with a few exceptions when we do access things outside of the heap that are uncompressed from the IR. Compressed oops are now also enabled with tiered.
Reviewed-by: twisti, kvn, never, phh

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

6968367: can_post_on_exceptions is still using VM_DeoptimizeFrame in some places
Reviewed-by: kvn, twisti

6953144: Tiered compilation
Summary: Infrastructure for tiered compilation support (interpreter + c1 + c2) for 32 and 64 bit. Simple tiered policy implementation.
Reviewed-by: kvn, never, phh, twisti

6978355: renaming for 6961697
Summary: This is the renaming part of 6961697 to keep the actual changes small for review.
Reviewed-by: kvn, never

6953477: Increase portability and flexibility of building Hotspot
Summary: A collection of portability improvements including shared code support for PPC, ARM platforms, software floating point, cross compilation support and improvements in error crash detail.
Reviewed-by: phh, never, coleenp, dholmes

6730276: JDI_REGRESSION tests fail with "Error: count must be non-zero" error on x86
Summary: Modify assembler code to check for 0 count for all copy routines.
Reviewed-by: never, ysr, jcoomes

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

6958292: C1: Enable parallel compilation
Summary: Enable parallel compilation in C1
Reviewed-by: never, kvn

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

Merge

6904516: More object array barrier fixes, following up on 6906727
Summary: Fixed missing pre-barrier calls for G1, modified C1 to call pre- and correct post-barrier interfaces, deleted obsolete interface, (temporarily) disabled redundant deferred barrier in BacktraceBuilder.
Reviewed-by: coleenp, jmasa, kvn, never

6902182: 4/4 Starting with jdwp agent should not incur performance penalty
Summary: Rename can_post_exceptions support to can_post_on_exceptions. Add support for should_post_on_exceptions flag to permit per JavaThread optimizations.
Reviewed-by: never, kvn, dcubed
Contributed-by: tom.deneau@amd.com

6914300: ciEnv should export all well known classes
Reviewed-by: kvn, twisti

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

6767587: missing call to make_not_entrant after deoptimizing for patching volatiles
Reviewed-by: rasbold, kvn

Merge

Merge

6711316: Open source the Garbage-First garbage collector
Summary: First mercurial integration of the code for the Garbage-First garbage collector.
Reviewed-by: apetrusenko, iveresov, jmasa, sgoldman, tonyp, ysr

5108146: Merge i486 and amd64 cpu directories
6459804: Want client (c1) compiler for x86_64 (amd64) for faster start-up
Reviewed-by: kvn

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

6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
Summary: Compressed oops in instances, arrays, and headers. Code contributors are coleenp, phh, never, swamyv
Reviewed-by: jmasa, kamg, acorn, tbell, kvn, rasbold

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