8172884: TraceOptoPipelining and TraceOptoOutput are broken
Summary: Compiler Control code needs not set the default values for the directive according to the flag value.
Reviewed-by: neliasso, redestad

8168770: Fix for 8151988 causes performance regression on SPARC
Summary: Reversed and re-implemented fix for 8151988 to eagerly cut off control input of Div and Mod nodes.
Reviewed-by: kvn

8166562: C2: Suppress relocations in scratch emit.
Reviewed-by: kvn

8155729: C2: Skip transformation of LoadConP for heap-based compressed oops
Reviewed-by: kvn

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

8151988: Hotspot deoptimizes div/mod pair usage
Summary: don't remove control edge of Mod node until DivMod node matching
Reviewed-by: kvn

8160425: Vectorization with signalling NaN returns wrong result
Summary: Should not use doubles/floats for vector constants in the C code.
Reviewed-by: kvn, vlivanov

8159720: Failure of C2 compilation with tiered prevents some C1 compilations.
Summary: If C2 fails to compile a method with tiered compilation, then it should mark the method as not compileable on the C2 tier only.
Reviewed-by: twisti, thartmann

8157726: VarHandles/Unsafe should support sub-word atomic ops
Reviewed-by: psandoz, vlivanov, lagergren

8154826: AArch64: take advantage better of base + shifted offset addressing mode
Summary: reshape address subtree to fit aarch64 addressing mode
Reviewed-by: kvn, aph

8154943: AArch64: redundant address computation instructions with vectorization
Summary: duplicated i2l nodes can be eliminated to optimize redundant address computations
Reviewed-by: kvn, dlong

8154836: VM crash due to "Base pointers must match"
Summary: Improve the handling of AddP nodes in final graph reshaping.
Reviewed-by: kvn, zmajo

8151956: Support non-continuous CodeBlobs in HotSpot
Reviewed-by: iveresov, thartmann, simonis

8134918: C2: Type speculation produces mismatched unsafe accesses
Reviewed-by: kvn

8132524: Missing includes to resourceArea.hpp
Summary: Files that use ResourceMark are missing the include of resourceArea.hpp
Reviewed-by: tschatzl, jwilhelm

8148146: Integrate new internal Unsafe entry points, and basic intrinsic support for VarHandles
Reviewed-by: psandoz, kvn, jrose, adinn, simonis, coleenp

8007986: GrowableArray should implement binary search
Summary: binary search method for GrowableArray
Reviewed-by: vlivanov, jrose

8147433: PrintNMethods no longer works with JVMCI
Reviewed-by: kvn, twisti

6675699: need comprehensive fix for unconstrained ConvI2L with narrowed type
Summary: Emit CastII to make narrow ConvI2L dependent on the corresponding range check.
Reviewed-by: kvn, roland

8139771: Eliminating CastPP nodes at Phis when they all come from a unique input may cause crash
Summary: Lost dependency when CastPP at Phis are eliminate
Reviewed-by: kvn

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

8129847: Compiling methods generated by Nashorn triggers high memory usage in C2
Summary: Add a new compiler phase, PhaseRenumberLive, that renumbers live nodes.
Reviewed-by: kvn, thartmann, vlivanov, shade

Merge

Merge

8140424: don't prefix developer and notproduct flag variables with CONST_ in product builds
Reviewed-by: goetz, stefank

8137168: Replace IfNode with a new RangeCheckNode for range checks
Summary: new RangeCheckNode to enable optimization of explicit library level range checks
Reviewed-by: kvn, thartmann

8143014: Access PtrQueue member offsets through derived classes
Summary: Moved accessors to derived classes and updated callers.
Reviewed-by: tschatzl, jmasa, twisti

Merge

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

8139340: SuperWord enhancement to support vector conditional move (CMovVD) on Intel AVX cpu
Summary: Emit vector conditional moves
Reviewed-by: kvn
Contributed-by: jan.civlin@intel.com

8137167: JEP165: Compiler Control: Implementation task
Summary: Compiler Control JEP
Reviewed-by: roland, twisti, zmajo, simonis

Merge

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

8137160: Use Compile::live_nodes instead of Compile::unique() in appropriate places -- followup
Summary: Change two code locations to use live_nodes() instead of unique() for allocating memory. Adjust comments.
Reviewed-by: kvn

Merge

8080775: Better argument formatting for assert() and friends
Reviewed-by: kbarrett, pliden

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

8011858: Use Compile::live_nodes() instead of Compile::unique() in appropriate places
Reviewed-by: kvn, vlivanov
Contributed-by: vlad.ureche@gmail.com

8130309: Need to bailout cleanly if creation of stubs fails when codecache is out of space
Summary: Check for failed expansion of stub section in code buffer and bailout.
Reviewed-by: kvn, adinn, dlong, roland, twisti

8074551: GWT can be marked non-compilable due to deopt count pollution
Reviewed-by: kvn

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

8076284: Improve vectorization of parallel streams
Summary: Improve vectorization of java/util/stream/Streams$RangeIntSpliterator::forEachRemaining() method and enable loop vectorization in a given method on demand.
Reviewed-by: kvn
Contributed-by: jan.civlin@intel.com

8069191: moving predicate out of loops may cause array accesses to bypass null check
Summary: Remove CastPP nodes only during final graph reshape
Reviewed-by: kvn, jrose

8074981: Integer/FP scalar reduction optimization
Summary: Add scalar reduction optimization to C2 to take advantage of vector instructions in modern x86 CPUs.
Reviewed-by: kvn, twisti
Contributed-by: michael.c.berg@intel.com

Merge

6912521: System.arraycopy works slower than the simple loop for little lengths
Summary: convert small array copies to series of loads and stores
Reviewed-by: kvn, vlivanov

Merge

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

8063137: Never-taken branches should be pruned when GWT LambdaForms are shared
Reviewed-by: jrose, kvn

8055530: assert(_exits.control()->is_top() || !_gvn.type(ret_phi)->empty()) failed: return value must be well defined
Summary: concurrent class loading causes return phi to become top
Reviewed-by: kvn

8058148: MaxNodeLimit and LiveNodeCountInliningCutoff
Reviewed-by: kvn, roland

8065339: Failed compilation does not always trigger a JFR event 'CompilerFailure'
Summary: CompilerFailure JFR event should be triggered in ciEnv.
Reviewed-by: kvn

8046809: vm/mlvm/meth/stress/compiler/deoptimize CodeCache is full.
Summary: Use separate sweeper thread; enables more aggressive sweeping.
Reviewed-by: kvn, jrose

8060215: per-method PrintIdealGraphLevel
Summary: Use CompileCommand=option to set PrintIdealGraphLevel on a per-method level. Introduce the PrintIdealGraph develop to control/check if printing the graph is enabled for any method
Reviewed-by: kvn, dlong, thartmann

8059331: Print additional information for the assert in Compile::start()
Summary: Add additional output that shows the failure reason
Reviewed-by: kvn

8059468: Fix PrintCodeCache output changed by JDK-8059137
Summary: Change output of PrintCodeCache to print "CodeCache" instead of "Code Cache" and change name of non-method code heap to non-nmethod code heap.
Reviewed-by: vlivanov, anoll

8058968: Compiler time traces should be improved
Summary: Use CITime consistently, make C2 to report to CompilerBroker, more probes.
Reviewed-by: vlivanov, jrose

8015774: Add support for multiple code heaps
Summary: Support for segmentation of the code cache. Separate code heaps are created and used to store code of different types.
Reviewed-by: kvn, iveresov, roland, anoll, egahlin, sla

8050147: StoreLoad barrier interferes with stack usages
Reviewed-by: jrose, kvn, drchase

Merge

7173584: Implement arraycopy as a macro node
Summary: delay the conversion of arraycopy to stub calls to macro expansion
Reviewed-by: kvn, iveresov

Merge

8046598: Scalable Native memory tracking development
Summary: Enhance scalability of native memory tracking
Reviewed-by: coleenp, ctornqvi, gtriantafill

8054033: Remove unused references to Compile*
Summary: Removed unused references to Compile* missed by JDK-8034812.
Reviewed-by: kvn, roland

Merge

8040213: C2 does not put all modified nodes on IGVN worklist
Summary: Verification code is added that checks if modified nodes are put on the IGVN worklist and modified nodes are processed by 'PhaseIterGVN::transform_old()'
Reviewed-by: kvn, jrose

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

8022968: Some codecache allocation failures don't result in invoking the sweeper
Summary: Add calls to CompileBroker::handle_full_code_cache() or fail gracefully whenever allocation in the code cache fails.
Reviewed-by: iveresov, vlivanov

8008321: compile.cpp verify_graph_edges uses bool as int
Summary: The dead_nodes counter in verify_graph_edges(..) has the type bool but is used as int.
Reviewed-by: roland, anoll

8026796: Make replace_in_map() on parent maps generic
Summary: propagate node replacements along control flow edges to callers
Reviewed-by: kvn, vlivanov

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

8043638: Multiple compilation attempts break LogCompulation, lead to confusing PrintInlining output
Summary: dumps inlining only for last compilation attempt. Fix LogCompilation tool so it handles multiple compilation attempts.
Reviewed-by: vlivanov, kvn

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

8039298: assert(base == NULL || t_adr->isa_rawptr() || !phase->type(base)->higher_equal(TypePtr::NULL_PTR))
Summary: Convert the assert into the runtime check to skip IGVN optimizations for problematic memory nodes. Eliminate dead nodes more aggressively.
Reviewed-by: twisti, iveresov

8032410: compiler/uncommontrap/TestStackBangRbp.java times out on Solaris-Sparc V9
Summary: make compiled code bang the stack by the worst case size of the interpreter frame at deoptimization points.
Reviewed-by: twisti, kvn

8005079: fix LogCompilation for incremental inlining
Summary: report late inlining as part of the rest of the inlining output
Reviewed-by: twisti, kvn

8036898: assert(t != NULL) failed: must set before get
Summary: Ignore nodes without a type when checking for speculative types in Compile::remove_speculative_types(...).
Reviewed-by: kvn, roland
Contributed-by: Tobias Hartmann <tobias.hartmann@oracle.com>

8007988: PrintInlining output is inconsistent with incremental inlining
Summary: fix duplicate and conflicting inlining output
Reviewed-by: kvn, vlivanov

8001532: C2 node files refactoring
Summary: Split C2 node files into cast, convert, countbits, intrinsic, move, narrowptr and opaquenode classes
Reviewed-by: kvn, morris

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

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

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

Merge

Merge

8029015: PPC64 (part 216): opto: trap based null and range checks
Summary: On PPC64 use tdi instruction that does a compare and raises SIGTRAP for NULL and range checks.
Reviewed-by: kvn

8029025: PPC64 (part 203): opto: Move static _in_dump_cnt to Compile object.
Summary: Also introduces the compiler oracle 'option' feature for PrintAssembly.
Reviewed-by: kvn

Merge

8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
Summary: added ability in C2 to expand mach nodes to several mach nodes after register allocation
Reviewed-by: kvn

Merge

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

8032490: Remove -XX:+-UseOldInlining
Summary: Move the option to obsolete options list, purge the redundant compiler code.
Reviewed-by: kvn, jrose

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

8028468: Add inlining information into ciReplay
Summary: Allow dump and replay inlining for specified method during a program execution.
Reviewed-by: roland, twisti

Merge

8017065: C2 allows safepoint checks to leak into G1 pre-barriers
Summary: Make all raw loads strictly respect control dependencies, make sure RCE doesn't move raw loads, add verification of G1 pre-barriers.
Reviewed-by: kvn, roland

8027622: java.time.Instant.create failing since hs25-b56
Reviewed-by: kvn, iveresov

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

8026959: assert(!n->pinned() || n->is_MachConstantBase()) failed: only pinned MachConstantBase node is expected here
Reviewed-by: iveresov, roland

8024069: replace_in_map() should operate on parent maps
Summary: type information gets lost because replace_in_map() doesn't update parent maps
Reviewed-by: kvn, twisti

8025657: compiler/intrinsics/mathexact/ConstantTest.java fails on assert in lcm.cpp on solaris x64
Reviewed-by: kvn, twisti

8022585: VM crashes when ran with -XX:+PrintInlining
Summary: use adr_at() to access inline info structures in growableArray. Add ability to specify print inlining per method.
Reviewed-by: twisti

Merge

8015107: NPG: Use consistent naming for metaspace concepts
Reviewed-by: coleenp, mgerdin, hseigel

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

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

8005849: JEP 167: Event-Based JVM Tracing
Reviewed-by: acorn, coleenp, sla
Contributed-by: Karen Kinnear <karen.kinnear@oracle.com>, Bengt Rutisson <bengt.rutisson@oracle.com>, Calvin Cheung <calvin.cheung@oracle.com>, Erik Gahlin <erik.gahlin@oracle.com>, Erik Helin <erik.helin@oracle.com>, Jesper Wilhelmsson <jesper.wilhelmsson@oracle.com>, Keith McGuigan <keith.mcguigan@oracle.com>, Mattias Tobiasson <mattias.tobiasson@oracle.com>, Markus Gronlund <markus.gronlund@oracle.com>, Mikael Auno <mikael.auno@oracle.com>, Nils Eliasson <nils.eliasson@oracle.com>, Nils Loodin <nils.loodin@oracle.com>, Rickard Backman <rickard.backman@oracle.com>, Staffan Larsen <staffan.larsen@oracle.com>, Stefan Karlsson <stefan.karlsson@oracle.com>, Yekaterina Kantserova <yekaterina.kantserova@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

8011621: live_ranges_in_separate_class.patch
Reviewed-by: kvn, roland
Contributed-by: niclas.adlertz@oracle.com

8003310: Enable -Wunused-function when compiling with gcc
Summary: Add the -Wunused-function flag and remove a number of unused functions.
Reviewed-by: dholmes, coleenp, kvn

8005772: Stubs report compile id -1 in phase events
Summary: Use 0 to indicate id is NA, -1 for error or uninitalized
Reviewed-by: kvn, twisti

8009460: C2compiler crash in machnode::in_regmask(unsigned int)
Summary: 7121140 may not correctly break the Allocate -> MemBarStoreStore link
Reviewed-by: kvn

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

7197327: 40% regression on 8 b41 comp 8 b40 on specjvm2008.mpegaudio on oob
Summary: Add support for expensive nodes.
Reviewed-by: kvn

8005821: C2: -XX:+PrintIntrinsics is broken
Summary: Check all print inlining flags when processing inlining list.
Reviewed-by: kvn, twisti
Contributed-by: david.r.chase@oracle.com

8005071: Incremental inlining for JSR 292
Summary: post parse inlining driven by number of live nodes.
Reviewed-by: twisti, kvn, jrose

8005031: Some cleanup in c2 to prepare for incremental inlining support
Summary: collection of small changes to prepare for incremental inlining.
Reviewed-by: twisti, kvn

8003240: x86: move MacroAssembler into separate file
Reviewed-by: kvn

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

8000623: tools/javac/Diagnostics/6769027/T6769027.java crashes in PSPromotionManager::copy_to_survivor_space
Summary: Fix type of method pointer load from vtable.
Reviewed-by: twisti, johnc, roland

7199654: Remove LoadUI2LNode
Summary: Removed LoadUI2L node from Ideal nodes, use match rule in .ad files instead.
Reviewed-by: kvn

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

7177003: C1: LogCompilation support
Summary: add LogCompilation support in C1 - both client and tiered mode.
Reviewed-by: twisti, kvn

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

7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
Summary: use shorter instruction sequences for atomic add and atomic exchange when possible.
Reviewed-by: kvn, jrose

7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
Summary: Save whole XMM/YMM registers in safepoint interrupt handler.
Reviewed-by: roland, 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>

7192963: assert(_in[req-1] == this) failed: Must pass arg count to 'new'
Summary: Fixed Pack node generation. Not vectorize shift instructions if count is not the same for all shifts and if count is vector.
Reviewed-by: twisti

7187454: stack overflow in C2 compiler thread on Solaris x86
Summary: Added new FormatBufferResource class to use thread's resource area for error message buffer.
Reviewed-by: twisti

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

7174218: remove AtomicLongCSImpl intrinsics
Reviewed-by: kvn, twisti
Contributed-by: Krystal Mok <sajia@taobao.com>

7152955: print_method crashes with null root
Reviewed-by: kvn, never
Contributed-by: nils.eliasson@oracle.com

7147744: CTW: assert(false) failed: infinite EA connection graph build
Summary: rewrote Connection graph construction code in EA to reduce time spent there.
Reviewed-by: never

7123954: Some CTW test crash with SIGSEGV
Summary: Correct Allocate expansion code to preserve i_o when only slow call is generated.
Reviewed-by: iveresov

7118863: Move sizeof(klassOopDesc) into the *Klass::*_offset_in_bytes() functions
Summary: Moved sizeof(klassOopDesc), changed the return type to ByteSize and removed the _in_bytes suffix.
Reviewed-by: never, bdelsart, coleenp, jrose

7121073: secondary_super_cache memory slice has incorrect bounds in flatten_alias_type
Reviewed-by: kvn

6890673: Eliminate allocations immediately after EA
Summary: Try to eliminate allocations and related locks immediately after escape analysis.
Reviewed-by: never

7003454: order constants in constant table by number of references in code
Reviewed-by: kvn, never, bdelsart

7107042: assert(no_dead_loop) failed: dead loop detected
Summary: Use dead nodes elimination code in PhaseIdealLoop before executing EA.
Reviewed-by: never, twisti

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

7079317: Incorrect branch's destination block in PrintoOptoAssembly output
Summary: save/restore label and block in scratch_emit_size()
Reviewed-by: never

7063628: Use cbcond on T4
Summary: Add new short branch instruction to Hotspot sparc assembler.
Reviewed-by: never, twisti, jrose

7047954: VM crashes with assert(is_Mem()) failed
Summary: cast constant array ptrs to bottom
Reviewed-by: never

Merge

Merge

7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
Summary: A referent object that is only weakly reachable at the start of concurrent marking but is re-attached to the strongly reachable object graph during marking may not be marked as live. This can cause the reference object to be processed prematurely and leave dangling pointers to the referent object. Implement a read barrier for the java.lang.ref.Reference::referent field by intrinsifying the Reference.get() method, and intercepting accesses though JNI, reflection, and Unsafe, so that when a non-null referent object is read it is also logged in an SATB buffer.
Reviewed-by: kvn, iveresov, never, tonyp, dholmes

7032963: StoreCM shouldn't participate in store elimination
Reviewed-by: kvn

7004535: Clone loop predicate during loop unswitch
Summary: Clone loop predicate for clonned loops
Reviewed-by: never

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

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

7016023: Enable building ARM and PPC from src/closed repository
Reviewed-by: dholmes, bdelsart

7008325: CodeCache exhausted on sparc starting from hs20b04
Summary: remove clear_scratch_buffer_blob and let init_scratch_buffer_blob free and allocate a new blob if required.
Reviewed-by: twisti

6961690: load oops from constant table on SPARC
Summary: oops should be loaded from the constant table of an nmethod instead of materializing them with a long code sequence.
Reviewed-by: never, kvn

7003554: (tiered) assert(is_null_object() || handle() != NULL) failed: cannot embed null pointer
Summary: C1 with profiling doesn't check whether the MDO has been really allocated, which can silently fail if the perm gen is full. The solution is to check if the allocation failed and bailout out of inlining or compilation.
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

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

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

6966411: escape.cpp:450 assert(base->Opcode() == Op_ConP
Summary: Execute IGVN optimization before and after Escape Analysis
Reviewed-by: never

6959430: Make sure raw loads have control edge
Summary: check that raw loads have control edge
Reviewed-by: never, twisti

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

6943485: JVMTI always on capabilities change code generation too much
Reviewed-by: twisti, dcubed

6926782: CodeBuffer size too small after 6921352
Summary: After 6921352 the CodeBuffer size was too small.
Reviewed-by: kvn, never

6894779: Loop Predication for Loop Optimizer in C2
Summary: Loop predication implementation
Reviewed-by: never, kvn

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

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

6873777: FPU control word optimization still performed with SSE
Reviewed-by: kvn

6862956: PhaseIdealLoop should have a CFG verification mode
Reviewed-by: kvn, twisti

6860599: nodes limit could be reached during Output phase
Summary: Bailout compilation if nodes limit could be reached during Output phase.
Reviewed-by: never, twisti

6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
Summary: remove useless lazy evaluation of intrinsics; add LAST_COMPILER_INLINE to help categorize them
Reviewed-by: kvn

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

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

6810672: Comment typos
Summary: I have collected some typos I have found while looking at the code.
Reviewed-by: kvn, never

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

6787050: assert(n->in(0) == 0L,"no control") with UseCompressedOops on sparcv9
Summary: Relax the assert for Sparc.
Reviewed-by: never

6782820: Server VM fails with "unhandled implicit exception in compiled code"
Summary: Restore the code which sets a control edge for a klass load node.
Reviewed-by: never

6775880: EA +DeoptimizeALot: assert(mon_info->owner()->is_locked(),"object must be locked now")
Summary: Create new "eliminated" BoxLock node for monitor debug info when corresponding locks are eliminated.
Reviewed-by: never

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

6743900: frequency based block layout
Summary: post-register allocation pass that drives block layout by edge frequencies
Reviewed-by: never, kvn

6764622: IdealGraphVisualizer fixes
Reviewed-by: rasbold, jrose

6747051: Improve code and implicit null check generation for compressed oops
Summary: Push DecodeN node below the Null check to the non-null path to use the mach node without 0 test.
Reviewed-by: rasbold, never

6384206: Phis which are later unneeded are impairing our ability to inline based on static types
Reviewed-by: rasbold, jrose

Merge

6706829: Compressed Oops: add debug info for narrow oops
Summary: Add support for narrow oops in debug info to avoid decoding.
Reviewed-by: rasbold, never

6741004: UseLargePages + UseCompressedOops breaks implicit null checking guard page
Summary: Turn off c2 implicit null checking on windows and large pages specified.
Reviewed-by: jrose, xlu

6731641: assert(m->adr_type() == mach->adr_type(),"matcher should not change adr type")
Summary: fixed few addP node type and narrow oop type problems.
Reviewed-by: rasbold, never

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

6723160: Nightly failure: Error: meet not symmetric
Summary: Add missing _instance_id settings and other EA fixes.
Reviewed-by: rasbold

Merge

6684714: Optimize EA Connection Graph build performance
Summary: switch on EA by default, optimize Connection Graph construction
Reviewed-by: rasbold, 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

6718676: putback for 6604014 is incomplete
Reviewed-by: kvn, jrose

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

6709093: Compressed Oops: reduce size of compiled methods
Summary: exclude UEP size from nmethod code size and use narrow klass oop to load prototype header.
Reviewed-by: jrose, never

6705887: Compressed Oops: generate x64 addressing and implicit null checks with narrow oops
Summary: Generate addresses and implicit null checks with narrow oops to avoid decoding.
Reviewed-by: jrose, 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

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

6663848: assert(i < Max(),"oob") in C2 with -Xcomp
Summary: NeverBranchNodes aren't handled properly
Reviewed-by: kvn, sgoldman, rasbold, 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

6667042: PrintAssembly option does not work without special plugin
Summary: remove old private plugin interface, simplify, rework old plugin to use unchanged Gnu sources
Reviewed-by: kvn, rasbold

6674588: (Escape Analysis) Improve Escape Analysis code
Summary: Current EA code has several problems which have to be fixed.
Reviewed-by: jrose, sgoldman

6667610: (Escape Analysis) retry compilation without EA if it fails
Summary: During split unique types EA could exceed nodes limit and fail the method compilation.
Reviewed-by: rasbold

Initial load