Reviewers: danno, Sven Panne,

Description:
Contribution of PowerPC port (continuation of 422063005) - PPC dir update

Contribution of PowerPC port (continuation of 422063005, 817143002 and
866843003)
This patch brings the ppc directories up to date with our repo. We have
removed 5 individual optimizations which require changes in both the ppc and
common
directories so they can be more easily reviewed on their own in subsequent
patches.

Subsequent patches will cover:
- individual optimizations for PPC (5)
- remaining AIX changes not resolved by 4.8 compiler (4.8 is only recently
available
for AIX)
- incremental updates required to ppc directories due to platform specific
changes
made in google repos while we complete the above steps.

With the update there are still some timeouts seen when run in simulated mode
which
may be a result of the missing optimizations. Once we have the optimizations in we will review the simulation results and address/exclude tests as necessary so
that
the simulated runs are clean.

        new file:   src/compiler/ppc/code-generator-ppc.cc
        new file:   src/compiler/ppc/instruction-codes-ppc.h
        new file:   src/compiler/ppc/instruction-selector-ppc.cc
        new file:   src/compiler/ppc/linkage-ppc.cc
        modified:   src/ic/ppc/handler-compiler-ppc.cc
        modified:   src/ic/ppc/ic-compiler-ppc.cc
        modified:   src/ic/ppc/ic-ppc.cc
        modified:   src/ic/ppc/stub-cache-ppc.cc
        modified:   src/ppc/assembler-ppc.cc
        modified:   src/ppc/assembler-ppc.h
        modified:   src/ppc/builtins-ppc.cc
        modified:   src/ppc/code-stubs-ppc.cc
        modified:   src/ppc/code-stubs-ppc.h
        modified:   src/ppc/codegen-ppc.cc
        modified:   src/ppc/constants-ppc.h
        modified:   src/ppc/deoptimizer-ppc.cc
        modified:   src/ppc/disasm-ppc.cc
        modified:   src/ppc/full-codegen-ppc.cc
        modified:   src/ppc/interface-descriptors-ppc.cc
        modified:   src/ppc/lithium-codegen-ppc.cc
        modified:   src/ppc/lithium-codegen-ppc.h
        modified:   src/ppc/lithium-ppc.cc
        modified:   src/ppc/lithium-ppc.h
        modified:   src/ppc/macro-assembler-ppc.cc
        modified:   src/ppc/macro-assembler-ppc.h
        modified:   src/ppc/regexp-macro-assembler-ppc.cc
        modified:   src/ppc/regexp-macro-assembler-ppc.h
        modified:   src/ppc/simulator-ppc.cc
        modified:   src/ppc/simulator-ppc.h
new file: test/unittests/compiler/ppc/instruction-selector-ppc-unittest.cc

[email protected], [email protected]

BUG=

Please review this at https://codereview.chromium.org/901083004/

Base URL: https://chromium.googlesource.com/v8/v8.git@master

Affected files (+5299, -1515 lines):
  A src/compiler/ppc/code-generator-ppc.cc
  A src/compiler/ppc/instruction-codes-ppc.h
  A src/compiler/ppc/instruction-selector-ppc.cc
  A + src/compiler/ppc/linkage-ppc.cc
  M src/ic/ppc/handler-compiler-ppc.cc
  M src/ic/ppc/ic-compiler-ppc.cc
  M src/ic/ppc/ic-ppc.cc
  M src/ic/ppc/stub-cache-ppc.cc
  M src/ppc/assembler-ppc.h
  M src/ppc/assembler-ppc.cc
  M src/ppc/builtins-ppc.cc
  M src/ppc/code-stubs-ppc.h
  M src/ppc/code-stubs-ppc.cc
  M src/ppc/codegen-ppc.cc
  M src/ppc/constants-ppc.h
  M src/ppc/deoptimizer-ppc.cc
  M src/ppc/disasm-ppc.cc
  M src/ppc/full-codegen-ppc.cc
  M src/ppc/interface-descriptors-ppc.cc
  M src/ppc/lithium-codegen-ppc.h
  M src/ppc/lithium-codegen-ppc.cc
  M src/ppc/lithium-ppc.h
  M src/ppc/lithium-ppc.cc
  M src/ppc/macro-assembler-ppc.h
  M src/ppc/macro-assembler-ppc.cc
  M src/ppc/regexp-macro-assembler-ppc.h
  M src/ppc/regexp-macro-assembler-ppc.cc
  M src/ppc/simulator-ppc.h
  M src/ppc/simulator-ppc.cc
  A test/unittests/compiler/ppc/instruction-selector-ppc-unittest.cc


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