8174050: Compilation errors with clang-4.0
Reviewed-by: kvn

8182299: Enable disabled clang warnings, build on OSX 10 + Xcode 8
8182656: Make the required changes in GC code to build on OSX 10 + Xcode 8
8182657: Make the required changes in Runtime code to build on OSX 10 + Xcode 8
8182658: Make the required changes in Compiler code to build on OSX 10 + Xcode 8
Reviewed-by: jwilhelm, ehelin, phh
Contributed-by: phh <hohensee@amazon.com>, jwilhelm <jesper.wilhelmsson@oracle.com>

8176518: C2: Invalid ImplicitNullChecks with non-protected heap base
Summary: Avoid generating implicit null checks if heap base is not protected
Reviewed-by: zmajo

8167300: Scheduling failures during gcm should be fatal
Reviewed-by: kvn, mcberg

8162496: missing precedence edge for anti_dependence
Summary: fix Implicit Null Check optimization code.
Reviewed-by: roland, aph

8157306: Random infrequent null pointer exceptions in javac
Reviewed-by: kvn

8150720: Cleanup code around PrintOptoStatistics
Reviewed-by: kvn, shade, vlivanov

8146612: C2: Precedence edges specification violated
Reviewed-by: kvn

8143307: Crash in C2 local code motion
Reviewed-by: kvn

Merge

8141132: JEP 254: Compact Strings
Summary: Adopt a more space-efficient internal representation for strings.
Reviewed-by: alanb, bdelsart, coleenp, iklam, jiangli, jrose, kevinw, naoto, pliden, roland, smarks, twisti
Contributed-by: Brent Christian <brent.christian@oracle.com>, Vivek Deshpande <vivek.r.deshpande@intel.com>, Tobias Hartmann <tobias.hartmann@oracle.com>, Charlie Hunt <charlie.hunt@oracle.com>, Vladimir Kozlov <vladimir.kozlov@oracle.com>, Roger Riggs <roger.riggs@oracle.com>, Xueming Shen <xueming.shen@oracle.com>, Aleksey Shipilev <aleksey.shipilev@oracle.com>, Sandhya Viswanathan <sandhya.viswanathan@intel.com>

8139040: Fix initializations before ShouldNotReachHere() etc. and enable -Wuninitialized on linux.
Reviewed-by: stuefe, coleenp, roland

8134802: LCM register pressure scheduling
Summary: Calculate register pressure in a block to help instructions scheduling.
Reviewed-by: kvn, dlong

8072911: Remove includes of oop.inline.hpp from .hpp files
Reviewed-by: brutisso, coleenp, jwilhelm, simonis, dholmes

8066763: fatal error "assert(false) failed: unexpected yanked node" in postaloc.cpp:139
Summary: Check for dead input nodes after replacing compare node with implicit null check.
Reviewed-by: kvn

8059780: SPECjvm2008-MPEG performance regressions on x64 platforms
Summary: Back-out 8052081 changes made in lcm.cpp.
Reviewed-by: iveresov, roland

8052081: Optimize generated by C2 code for Intel's Atom processor
Summary: Allow to execute vectorization and crc32 optimization on Atom. Enable UseFPUForSpilling by default on x86.
Reviewed-by: roland

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

8034812: remove IDX_INIT macro hack in Node class
Summary: The IDX_INIT macro used by Node::Node(...) to retrieve the Compile object is removed and replaced by a call to Compile::current(). The Node constructor, new operator and all calls to it are adapted accordingly.
Reviewed-by: kvn, jrose, iveresov, goetz

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

Merge

8028471: PPC64 (part 215): opto: Extend ImplicitNullCheck optimization.
Summary: Fixed Implicit NULL check optimization for AIX, where the page at address '0' is only write-protected.
Reviewed-by: kvn

Merge

Merge

8016586: PPC64 (part 3): basic changes for PPC64
Summary: added #includes needed for ppc64 port. Renamed _MODEL_ppc to _MODEL_ppc_32 and renamed corresponding old _ppc files to _ppc_32.
Reviewed-by: dholmes, kvn

8029233: Update copyright year to match last edit in jdk8 hotspot repository for 2013
Summary: Copyright year updated for files modified during 2013
Reviewed-by: twisti, iveresov

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

8024095: Missing brackets in local scheduling code.
Summary: Added brackets for if-statement
Reviewed-by: kvn, roland

8023988: Move local scheduling of nodes to the CFG creation and code motion phase (PhaseCFG)
Summary: Moved local scheduling code from class Block to class PhaseCFG
Reviewed-by: kvn, roland

8023691: Create interface for nodes in class Block
Summary: Create public methods for accessing the nodes in a block
Reviewed-by: kvn, roland

8023003: Cleanup the public interface to PhaseCFG
Summary: public methods that don't need to be public should be private.
Reviewed-by: kvn, twisti

8022284: Hide internal data structure in PhaseCFG
Summary: Hide private node to block mapping using public interface
Reviewed-by: kvn, roland

8014189: JVM crash with SEGV in ConnectionGraph::record_for_escape_analysis()
Summary: Add NULL checks and asserts for Type::make_ptr() returned value.
Reviewed-by: twisti

8009120: Fuzz instruction scheduling in HotSpot compilers
Reviewed-by: kvn, vlivanov

6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86
Summary: Use SSE4.2 and AVX2 instructions for encodeArray intrinsic.
Reviewed-by: roland

7092905: C2: Keep track of the number of dead nodes
Summary: keep an (almost) accurate running count of the reachable (live) flow graph nodes.
Reviewed-by: kvn, twisti, jrose, vlivanov

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

7193318: C2: remove number of inputs requirement from Node's new operator
Summary: Deleted placement new operator of Node - node(size_t, Compile *, int).
Reviewed-by: kvn, twisti
Contributed-by: bharadwaj.yadavalli@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

7116050: C2/ARM: memory stomping error with DivideMcTests
Summary: Block::schedule_local() may write beyond end of ready_cnt array
Reviewed-by: never, kvn

7077312: Provide a CALL effect for instruct declaration in the ad file
Summary: abstracted way to declare that the MachNode has the effect of a call (kills caller save registers, preserves callee save registers)
Reviewed-by: twisti, never

7069452: Cleanup NodeFlags
Summary: Remove flags which duplicate information in Node::NodeClasses.
Reviewed-by: never

7061187: need some includes for arm/ppc
Reviewed-by: dholmes, never, jwilhelm, kvn

Merge

7032963: StoreCM shouldn't participate in store elimination
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

7029017: Additional architecture support for c2 compiler
Summary: Enables cross building of a c2 VM. Support masking of shift counts when the processor architecture mandates it.
Reviewed-by: kvn, never

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

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

6973329: C2 with Zero based COOP produces code with broken anti-dependency on x86
Summary: Recompile without subsuming loads if RA try to clone a node with anti_dependence.
Reviewed-by: never

6973963: SEGV in ciBlock::start_bci() with EA
Summary: Added more checks into ResourceObj and growableArray to verify correctness of allocation type.
Reviewed-by: never, coleenp, dholmes

Merge

6954029: Improve implicit null check generation with compressed oops
Summary: Hoist DecodeN instruction above null check
Reviewed-by: never, twisti

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

6912517: JIT bug compiles out (and stops running) code that needs to be run. Causes NPE.
Summary: Add missing check that value is used in memory expression in instructions with embedded load.
Reviewed-by: never, jrose

6829187: compiler optimizations required for JSR 292
Summary: C2 implementation for invokedynamic support.
Reviewed-by: kvn, never

6895383: JCK test throws NPE for method compiled with Escape Analysis
Summary: Add missing checks for MemBar nodes in EA.
Reviewed-by: never

6761600: Use sse 4.2 in intrinsics
Summary: Use SSE 4.2 in intrinsics for String.{compareTo/equals/indexOf} and Arrays.equals.
Reviewed-by: kvn, never, jrose

Merge

6791178: Specialize for zero as the compressed oop vm heap base
Summary: Use zero based compressed oops if java heap is below 32gb and unscaled compressed oops if java heap is below 4gb.
Reviewed-by: never, twisti, jcoomes, coleenp

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

6796746: rename LoadC (char) opcode class to LoadUS (unsigned short)
Summary: Renaming LoadC to LoadUS would round up the planned introduction of LoadUB and LoadUI.
Reviewed-by: phh, kvn

Merge

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

6746907: Improve implicit null check generation
Summary: add missing implicit null check cases.
Reviewed-by: never

6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
Summary: Escape Analysis fixes.
Reviewed-by: never, rasbold

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

6695049: (coll) Create an x86 intrinsic for Arrays.equals
Summary: Intrinsify java/util/Arrays.equals(char[], char[])
Reviewed-by: kvn, never

6703890: Compressed Oops: add LoadNKlass node to generate narrow oops (32-bits) compare instructions
Summary: Add LoadNKlass and CMoveN nodes, use CmpN and ConN nodes to generate narrow oops compare instructions.
Reviewed-by: never, rasbold

6601321: Assert(j == 1 || b->_nodes[j-1]->is_Phi(),"CreateEx must be first instruction in block")
Reviewed-by: kvn, rasbold, sgoldman, jrose

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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