8155635: C2: Mixed unsafe accesses break alias analysis
Reviewed-by: jrose, kvn

8162101: C2: Handle "wide" aliases for unsafe accesses
Reviewed-by: kvn

8038348: Instance field load is replaced by wrong data Phi
Summary: Store additional information in PhiNodes corresponding to known instance field values to avoid incorrect reusage.
Reviewed-by: kvn, vlivanov

8160360: Mismatched field loads are folded in LoadNode::Value
Reviewed-by: kvn, thartmann

8152590: C2: @Stable support doesn't always work w/ incremental inlining
Reviewed-by: kvn

8141551: C2 can not handle returns with inccompatible interface arrays
Reviewed-by: kvn

8078629: VM should constant fold Unsafe.get*() loads from final fields
Reviewed-by: kvn, jrose, psandoz

8076276: Add support for AVX512
Reviewed-by: kvn, roland
Contributed-by: michael.c.berg@intel.com

8051415: TypeTuple::make_domain() and TypeTuple::make_range() allocate too much memory
Summary: Change memory allocation in TypeTuple::make_domain() and TypeTuple::make_range() to not allocate memory for TypeFunc::Parms.
Reviewed-by: kvn, roland

8050860: Cleanup TypeTuple and TypeFunc
Summary: Declared fields TypeFunc::_domain, TypeFunc::_range, TypeTuple::_cnt and TypeTuple::_fields private, changed direct accesses to fields to use accessor methods.
Reviewed-by: kvn, vlivanov
Contributed-by: Zoltan Majo <zoltan.majo@oracle.com>

8041415: remove port.{cpp,hpp} files
Summary: Hotspot should use standard headers and types
Reviewed-by: coleenp, kvn

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

6653795: C2 intrinsic for Unsafe.getAddress performs pointer sign extension on 32-bit systems
Summary: Native pointers less than 64 bits wide should be extended as an unsigned number.
Reviewed-by: kvn, kevinw

8031754: Type speculation should favor profile data from outermost inlined method
Summary: favor profile data coming from outer most method
Reviewed-by: kvn, twisti

8027754: Enable loop optimizations for loops with MathExact inside
Reviewed-by: kvn, iveresov

Merge

8028767: PPC64: (part 121): smaller shared changes needed to build C2
Summary: smaller shared changes required to build the C2 compiler on PPC64.
Reviewed-by: kvn

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

8027140: Assertion in compiler when running bigapps/Kitchensink/stability
Summary: filter() code for TypeKlassPtr not moved when permgen removal was introduced
Reviewed-by: twisti, iveresov

8026844: Various Math functions needs intrinsification
Reviewed-by: kvn, twisti

8024070: C2 needs some form of type speculation
Summary: record unused type profile information with type system, propagate and use it.
Reviewed-by: kvn, twisti

8024924: Intrinsify java.lang.Math.addExact
Reviewed-by: kvn, twisti

8001107: @Stable annotation for constant folding of lazily evaluated variables
Reviewed-by: rbackman, twisti, kvn
Contributed-by: john.r.rose@oracle.com, vladimir.x.ivanov@oracle.com

8021954: VM SIGSEGV during classloading on MacOS; hs_err_pid file produced
Summary: declare all user-defined operator new()s within Hotspot code with the empty throw() exception specification
Reviewed-by: coleenp, twisti, dholmes, hseigel, dcubed, kvn, ccheung
Contributed-by: lois.foltan@oracle.com

6934604: enable parts of EliminateAutoBox by default
Summary: Resurrected autobox elimination code and enabled part of it by default.
Reviewed-by: roland, twisti

7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop()
Reviewed-by: kvn, jrose

7054512: Compress class pointers after perm gen removal
Summary: support of compress class pointers in the compilers.
Reviewed-by: kvn, twisti

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>

7119644: Increase superword's vector size up to 256 bits
Summary: Increase vector size up to 256-bits for YMM AVX registers on x86.
Reviewed-by: never, twisti, roland

7088955: add C2 IR support to the SA
Reviewed-by: kvn

7010070: Update all 2010 Oracle-changed OpenJDK files to have the proper copyright dates - second pass
Summary: Update the copyright to be 2010 on all changed files in OpenJDK
Reviewed-by: ohair

6962931: move interned strings out of the perm gen
Reviewed-by: never, coleenp, ysr, jwilhelm

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

6984346: Remove development code in type.hpp
Summary: Remove code which use UseNewCode in type.hpp
Reviewed-by: never

6976400: "Meet Not Symmetric"
Summary: Use NULL as klass for TypeAryPtr::RANGE. Add klass verification into TypeAryPtr ctor.
Reviewed-by: never

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

6892658: C2 should optimize some stringbuilder patterns
Reviewed-by: kvn, twisti

6885584: A particular class structure causes large allocation spike for jit
Reviewed-by: kvn

6820514: meet not symmetric failure in ctw
Summary: Add missing instance_id meet.
Reviewed-by: never

6863023: need non-perm oops in code cache for JSR 292
Summary: Make a special root-list for those few nmethods which might contain non-perm oops.
Reviewed-by: twisti, kvn, never, jmasa, ysr

6880053: assert(alloc_obj->as_CheckCastPP()->type() != TypeInstPtr::NOTNULL)
Summary: Removed second CheckCastPP and use MembarCPUOrder after arraycopy to cloned object.
Reviewed-by: never

6851742: (EA) allocation elimination doesn't work with UseG1GC
Summary: Fix eliminate_card_mark() to eliminate G1 pre/post barriers.
Reviewed-by: never

6856025: assert(_base >= OopPtr && _base <= KlassPtr,"Not a Java pointer")
Reviewed-by: kvn

6837094: False positive for "meet not symmetric" failure
Summary: Have the meet not symmetric check recursively do the interface-vs-oop check on array subtypes.
Reviewed-by: jrose
Contributed-by: rasbold@google.com

Merge

6797305: Add LoadUB and LoadUI opcode class
Summary: Add a LoadUB (unsigned byte) and LoadUI (unsigned int) opcode class so we have these load optimizations in the first place and do not need to handle them in the matcher.
Reviewed-by: never, kvn

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

6788347: C2Compiler crash 6u7
Reviewed-by: kvn

6462850: generate biased locking code in C2 ideal graph
Summary: Inline biased locking code in C2 ideal graph during macro nodes expansion
Reviewed-by: never

6711100: 64bit fastdebug server vm crashes with assert(_base == Int,"Not an Int")
Summary: insert CastII nodes to narrow type of load_array_length() node
Reviewed-by: never, kvn

6741738: TypePtr::add_offset() set incorrect offset when the add overflows
Summary: Set offset to OffsetBot when the add overflows in TypePtr::add_offset()
Reviewed-by: jrose, never

Merge

6716441: error in meet with +DoEscapeAnalysis
Summary: Set instance_id to InstanceBot for InstPtr->meet(AryPtr) when types are not related.
Reviewed-by: jrose, never

6710487: More than half of JDI Regression tests hang with COOPs in -Xcomp mode
Summary: Remove DecodeNNode::decode() and EncodePNode::encode() methods.
Reviewed-by: rasbold, never

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

6695810: null oop passed to encode_heap_oop_not_null
Summary: fix several problems in C2 related to Escape Analysis and Compressed Oops.
Reviewed-by: never, jrose

6603011: RFE: Optimize long division
Summary: Transform long division by constant into multiply
Reviewed-by: never, kvn

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

6673473: (Escape Analysis) Add the instance's field information to PhiNode
Summary: Avoid an infinite generation of instance's field values Phi nodes.
Reviewed-by: never

6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
Reviewed-by: kvn, rasbold

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