8181420: PPC: Image conversion improvements
Reviewed-by: thartmann, simonis, mbaesken

8171244: PPC64: Make interpreter's math entries consistent with C1 and C2 and support FMA
Reviewed-by: kvn, goetz

8170991: PPC64: Bad code for initialization of short arrays
Summary: Implement special ClearArray nodes to improve initialization.
Reviewed-by: goetz

8170328: PPC64: Use andis instead of lis/and
Reviewed-by: goetz, mdoerr
Contributed-by: Igor Nunes <igor.nunes@eldorado.org.br>

8168318: PPC64: Use cmpldi instead of li/cmpld
Reviewed-by: goetz
Contributed-by: igor.nunes@eldorado.org.br

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

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

8159976: PPC64: Add missing intrinsics for sub-word atomics
Reviewed-by: shade, goetz

8158260: PPC64: unaligned Unsafe.getInt can lead to the generation of illegal instructions
Summary: Adjust instruction generation.
Reviewed-by: goetz
Contributed-by: gromero@linux.vnet.ibm.com, horii@jp.ibm.com

8156923: [ppc] Implement "JEP 270: Reserved Stack Areas for Critical Sections".
Reviewed-by: simonis, dholmes

8141635: Implement VarHandles/Unsafe intrinsics on POWER
Reviewed-by: shade, kvn, simonis

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

8155738: C2: fix frame_complete_offset
Summary: During scratch_emit_size wrong value was set. Also set offset of ppc.
Reviewed-by: kvn, dlong

8153998: Masked vector post loops
Summary: Masked vectorization for post loops to execute in a single iteration in place of fixup scalar loops which used to take many iterations to complete work for user loops.
Reviewed-by: twisti, kvn

8146801: Allocating short arrays of non-constant size is slow
Reviewed-by: kvn, twisti, vlivanov

8149655: PPC64: Implement CompactString intrinsics
Reviewed-by: goetz, kvn

Merge

8148047: Move the vtable length field to Klass
Reviewed-by: cjplummer, twisti, coleenp, kbarrett

8147461: Use byte offsets for vtable start and vtable length offsets
Reviewed-by: cjplummer, coleenp, dnsimon

8147937: Adapt SAP copyrights to new company name.
Reviewed-by: simonis, stuefe

8145336: PPC64: fix string intrinsics after CompactStrings change
Reviewed-by: mdoerr, aph, kvn

Merge

8139864: Improve handling of stack protection zones.
Reviewed-by: stuefe, coleenp, fparain

8145913: PPC64: add Montgomery multiply intrinsic
Reviewed-by: aph, goetz

8145300: ppc64: fix port of "8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls"
Reviewed-by: simonis

8144822: PPC64: Fix build after 8072008
Reviewed-by: goetz

8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
Reviewed-by: jrose, dlong, aph, forax

8144019: PPC64 C1: Introduce Client Compiler
Reviewed-by: goetz

Merge

8140779: Code generation fixes for avx512
Summary: Assembler refactoring. Abstract away instruction attributes.
Reviewed-by: kvn, roland, iveresov
Contributed-by: michael.c.berg@intel.com

Merge

8140645: Recent Developments for AIX
Summary: Port recent developments from SAP for AIX to the OpenJDK
Reviewed-by: goetz

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

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

8130653: ppc: implement MultiplyToLen intrinsic
Reviewed-by: simonis
Contributed-by: peter.januschke@sap.com

8080190: PPC64: Fix wrong rotate instructions in the .ad file
Reviewed-by: kvn

8077838: Recent developments for ppc.
Summary: Power 8 recognition and instructions, math.*Exact intrinsics and rtm, C2 optimizations
Reviewed-by: kvn, simonis

8074869: C2 code generator can replace -0.0f with +0.0f on Linux
Summary: Instead of 'fpclass', use cast float->int and double->long to check if value is +0.0f and +0.0d, respectively.
Reviewed-by: kvn, simonis, dlong

8068977: Remove unused sun.misc.Unsafe prefetch intrinsic support
Reviewed-by: kvn, vlivanov

8068503: ppc64: Encode/Decode nodes for disjoint cOops mode
Reviewed-by: simonis

8066964: ppc64: argument and return type profiling, fix problem with popframe
Reviewed-by: roland, kvn

8059592: Recent bugfixes in ppc64 port.
Reviewed-by: kvn

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

8048169: Change 8037816 breaks HS build on PPC64 and CPP-Interpreter platforms
Summary: Fix the matching of format string parameter types to the actual argument types for the PPC64 and CPP-Interpreter files in the same way as 8037816 already did it for all the other files
Reviewed-by: stefank, 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

8042309: Some bugfixes for the ppc64 port.
Reviewed-by: kvn

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

8037821: Account for trampoline stubs when estimating code buffer sizes
Summary: Take into account space needed for "trampoline code" used by calls on PPC64.
Reviewed-by: kvn
Contributed-by: lutz.schmidt@sap.com

8037915: PPC64/AIX: Several smaller fixes
Reviewed-by: kvn

8035647: PPC64: Support for elf v2 abi.
Summary: ELFv2 ABI used by the little endian PowerPC64 on Linux.
Reviewed-by: kvn
Contributed-by: asmundak@google.com

8035970: PPC64: fix ad file after 8027754: Enable loop optimizations for loops with MathExact
Reviewed-by: kvn

8035394: PPC64: Make usage of intrinsic dsqrt depend on processor recognition.
Reviewed-by: kvn

8033117: PPC64: Adapt to 8002074: Support for AES on SPARC
Summary: Implement missing function Matcher::pass_original_key_for_aes() in ppc64 ad file.
Reviewed-by: kvn

8031319: PPC64: Some fixes in ppc and aix coding.
Reviewed-by: kvn

8030863: PPC64: (part 220): ConstantTableBase for calls between args and jvms
Summary: Add ConstantTableBase node edge after parameters and before jvms. Adapt jvms offsets.
Reviewed-by: kvn

8029940: PPC64 (part 122): C2 compiler port
Reviewed-by: kvn