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>

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

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

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

8136445: Performance issue with Nashorn and C2's global code motion
Reviewed-by: kvn

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>

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

8076188: Optimize arraycopy out for non escaping destination
Summary: if the destination of an arraycopy is non escaping, the arraycopy may be optimized out
Reviewed-by: kvn, vlivanov

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

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

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

8033260: assert(lrg._area >= 0.0) failed: negative spill area
Summary: Change type from float to double on block frequency, and add check for +Inf - +Inf operation
Reviewed-by: kvn, roland

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

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

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

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

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

7197424: update copyright year to match last edit in jdk8 hotspot repository
Summary: Update copyright year to 2012 for relevant files
Reviewed-by: dholmes, coleenp

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

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

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

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

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

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

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

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

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

6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14
Summary: Put missed reference to allocated array in copyOf() intrinsic into OopMap for the call slow_arraycopy().
Reviewed-by: never

6843752: missing code for an anti-dependent Phi in GCM
Summary: Don't place a load below anti-dependent PHI.
Reviewed-by: never, twisti

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

6810845: Performance regression in mpegaudio on x64
Summary: Used the outer loop frequency in frequencies checks in RA.
Reviewed-by: never, twisti

Merge

6812721: Block's frequency should not be NaN
Summary: Set MIN_BLOCK_FREQUENCY block's frequency when calculated block's frequency is NaN
Reviewed-by: never

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

6809798: SafePointScalarObject node placed into incorrect block during GCM
Summary: Replace the control edge of a pinned node before scheduling.
Reviewed-by: 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

6784930: server jvm fails with assert(!n->is_SpillCopy(),"")
Summary: Set minimum block frequency MIN_BLOCK_FREQUENCY 1.e-35f.
Reviewed-by: never, rasbold

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

6611837: block frequency is zero
Summary: insert_goto_at should set frequency for newly created blocks
Reviewed-by: never

Merge

6714694: assertion in 64bit server vm (store->find_edge(load) != -1,"missing precedence edge") with COOPs
Summary: The method raise_LCA_above_marks() terminates LCA search early.
Reviewed-by: rasbold, never

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

6590177: jck60019 test assert(!repeated,"do not walk merges twice")
Summary: A mergemem node could be not in worklist_store but in should_not_repeat vectorset since it was processed and removed from worklist_store before.
Reviewed-by: jrose, never

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