8173278: [JVMCI] query_update_method_data might write outside _trap_hist array
Reviewed-by: kvn

8166781: fix wrong comment in ReceiverTypeData
Reviewed-by: kvn

8163864: [JVMCI] move MethodProfileWidth to jvmci_globals.hpp
Reviewed-by: zmajo

8145628: hotspot metadata classes shouldn't use HeapWordSize or heap related macros like align_object_size
Summary: Use align_metadata_size, align_metadata_offset and is_metadata_aligned for metadata rather than align_object_size, etc. Use wordSize rather than HeapWordSize for metadata. Use align_ptr_up rather than align_pointer_up (all the related functions are ptr).
Reviewed-by: hseigel, jmasa, cjplummer

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

Merge

8139170: JVMCI refresh
Reviewed-by: kvn

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

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

8073480: C2 should optimize explicit range checks
Summary: explicit range checks should be recognized by C2
Reviewed-by: kvn, vlivanov

8059606: Enable per-method usage of CompileThresholdScaling (per-method compilation thresholds)
Summary: Changed interpreter and compilation policies to allow using CompileThresholdScaling on a per-method level
Reviewed-by: jrose, kvn

8067713: Move clean_weak_method_links for redefinition out of class unloading
Summary: Do this work during class redefinition, only verify clean during class unloading in debug mode.
Reviewed-by: sspitsyn, roland, kbarrett

8056071: compiler/whitebox/IsMethodCompilableTest.java fails with 'method() is not compilable after 3 iterations'
Summary: Always use MDO if valid and always compile trivial methods with C1 if available.
Reviewed-by: kvn, iveresov

8058184: Move _highest_comp_level and _highest_osr_comp_level from MethodData to MethodCounters
Summary: Tiered policy requires highest compilation levels always available
Reviewed-by: kvn, vlivanov

8057038: Speculative traps not robust when compilation and class unloading are concurrent
Summary: speculative traps can be removed from MDO while being copied by compiler
Reviewed-by: kvn, iveresov

8004128: NPG: remove stackwalking in Threads::gc_prologue and gc_epilogue code
Summary: remove bcx and mdx handling. We no longer have to convert bytecode pointers to indices for GC since Methods aren't moved.
Reviewed-by: mgerdin, kvn

8030976: Untaken paths should be more vigorously pruned at highest optimization level
Reviewed-by: roland, vlivanov

8026694: New type profiling points break compilation replay
Summary: fixes compilation replay with new profiling points
Reviewed-by: kvn, twisti

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

8039975: SIGSEGV in MethodData::next_data(ProfileData*)
Summary: profiling code in interpreter broken when argument profiling is off.
Reviewed-by: iveresov, kvn

8038636: speculative traps break when classes are redefined
Summary: remove speculative traps that point to methods that are redefined
Reviewed-by: kvn, twisti

8037970: make PrintMethodData a diagnostic options
Summary: make PrintMethodData a diagnostic options for performance investigation
Reviewed-by: kvn, iveresov

8031755: Type speculation should be used to optimize explicit null checks
Summary: feed profiling data about reference nullness to type speculation.
Reviewed-by: kvn, iveresov

8031320: Use Intel RTM instructions for locks
Summary: Use RTM for inflated locks and stack locks.
Reviewed-by: iveresov, twisti, roland, dcubed

8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90
Summary: concurrent update of traps with construction of ciMethodData
Reviewed-by: kvn, twisti

8031752: Failed speculative optimizations should be reattempted when root of compilation is different
Summary: support for speculative traps that keep track of the root of the compilation in which a trap occurs.
Reviewed-by: kvn, twisti

Merge

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

Merge

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

8027572: assert(r != 0) failed: invalid
Summary: null classes should be expected in profiles with conflicts
Reviewed-by: kvn, iveresov

8026251: New type profiling points: parameters to methods
Summary: x86 interpreter and c1 type profiling for parameters on method entries
Reviewed-by: kvn, twisti

8026054: New type profiling points: type of return values at calls
Summary: x86 interpreter and c1 type profiling for return values at calls
Reviewed-by: kvn, twisti

8023657: New type profiling points: arguments to call
Summary: x86 interpreter and c1 type profiling for arguments at calls
Reviewed-by: kvn, twisti

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

8024760: add more types, fields and constants to VMStructs
Reviewed-by: kvn, coleenp

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

8007288: Additional WB API for compiler's testing
Reviewed-by: kvn, vlivanov

Merge

8006613: adding reason to made_not_compilable
Reviewed-by: kvn, vlivanov
Contributed-by: Igor Ignatyev <igor.ignatyev@oracle.com>

6479360: PrintClassHistogram improvements
Summary: jcmd <pid> GC.class_stats (UnlockDiagnosticVMOptions)
Reviewed-by: coleenp, hseigel, sla, acorn
Contributed-by: ioi.lam@oracle.com

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>