Hotspot part of PPC64 port was merged into jdk9

[Vladimir Kozlov]

It was pushed into Hotspot Compiler repository for additional testing:

http://hg.openjdk.java.net/jdk9/hs-comp/hotspot/

Hotspot changes:

8016476: PPC64 (part 1): reenable CORE build
8016491: PPC64 (part 2): Clean up PPC defines.
8016586: PPC64 (part 3): basic changes for PPC64
8017313: PPC64 (part 6): stack handling improvements
8017317: PPC64 (part 7): cppInterpreter: implement support for biased 
locking
8016696: PPC64 (part 4): add relocation for trampoline stubs
8019517: PPC64 (part 102): cppInterpreter: implement G1 support
8019518: PPC64 (part 103): cppInterpreter: implement support for 
compressed Oops
8019519: PPC64 (part 105): C interpreter: implement support for jvmti 
early return.
8020121: PPC64: fix build in cppInterpreter after 8019519
8019922: PPC64 (part 8): Implement Linux/PPC64 support in HotSpot makefiles
8019973: PPC64 (part 11): Fix IA64 preprocessor conditionals on AIX.
8019926: PPC64 (part 106): Make hsdis build and work on Linux/PPC64
8019972: PPC64 (part 9): platform files for interpreter only VM.
8020775: PPC64 (part 12): posix signal printing
8023033: PPC64 (part 13): basic changes for AIX
8024379: Adapt PPC64 port to 8003424
8023034: PPC64 (part 14): Implement AIX/PPC64 support in HotSpot makefiles
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
8024344: PPC64 (part 112): C argument in register AND stack slot.
8024469: PPC64 (part 202): cppInterpreter: support for OSR.
8024342: PPC64 (part 111): Support for C calling conventions that 
require 64-bit ints.
8024922: PPC64 (part 116): Extend adlc to generate fields into nodes.
8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
8026487: PPC64: Implement 'os::fork_and_exec' on AIX
8027964: Adapt PPC to 6843347: Boundary values in some public GC options 
cause crashes
8027965: Adapt PPC to 8015107: NPG: Use consistent naming for metaspace 
concepts
8027966: Adapt PPC to 8023657: New type profiling points: arguments to call
8027969: Adapt PPC to 8026328: Setting a breakpoint on invokedynamic 
crashes the JVM
8027968: Adapt PPC to 8024927: Nashorn performance regression with 
CompressedOops
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes 
after register allocation
8024921: PPC64 (part 113): Extend Load and Store nodes to know about 
memory ordering
8028401: PPC (part 117): Improve usability of adlc and format() 
functionality.
8028470: PPC64 (part 214): linux: extend signal handler to catch SIGTRAP 
on ppc64.
8028514: PPC64: Fix C++ Interpreter after '7195622: CheckUnhandledOops 
has limited usefulness now'
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
8028471: PPC64 (part 215): opto: Extend ImplicitNullCheck optimization.
8028767: PPC64: (part 121): smaller shared changes needed to build C2
8029025: PPC64 (part 203): opto: Move static _in_dump_cnt to Compile object.
8028515: PPPC64 (part 113.2): opto: Introduce LoadFence/StoreFence.
8029015: PPC64 (part 216): opto: trap based null and range checks
8019929: PPC64 (part 107): Extend ELF-decoder to support PPC64 function 
descriptor tables
8029396: PPC64 (part 212): Several memory ordering fixes in C-code.
8029888: PPC64: (part 219): adl replacement variable CondRegister
8029940: PPC64 (part 122): C2 compiler port
8029957: PPC64 (part 213): cppInterpreter: memory ordering for object 
initialization
8030863: PPC64: (part 220): ConstantTableBase for calls between args and 
jvms
8031188: Fix for 8029015: PPC64 (part 216): opto: trap based null and 
range checks
8031319: PPC64: Some fixes in ppc and aix coding.
8029101: PPC64 (part 211): ordering of Independent Reads of Independent 
Writes
8032634: Add #ifdef PPC64 around OrderAccess operations on _thread_state.
8029941: rollback changes in make/jprt.properties for embedded testing