Reviewers: Toon Verwaest,
Message:
PTAL. The problem was that it is not actually allowed to call
layout_descriptor() when double fields unboxing is disabled. I added
GetLayoutDescriptor() as a safe alternative.
Description:
Reland "In-object double fields unboxing (for 64-bit only)."
Please review this at https://codereview.chromium.org/711313002/
Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Affected files (+1854, -216 lines):
M BUILD.gn
M src/arm64/lithium-arm64.cc
M src/arm64/lithium-codegen-arm64.cc
M src/bootstrapper.cc
M src/code-stubs-hydrogen.cc
M src/field-index.h
M src/flag-definitions.h
M src/globals.h
M src/heap/heap.cc
M src/heap/mark-compact.cc
M src/heap/objects-visiting.h
M src/heap/objects-visiting.cc
M src/heap/store-buffer.cc
M src/hydrogen.cc
M src/hydrogen-instructions.h
M src/json-stringifier.h
A src/layout-descriptor.h
A src/layout-descriptor.cc
A src/layout-descriptor-inl.h
M src/objects.h
M src/objects.cc
M src/objects-debug.cc
M src/objects-inl.h
M src/objects-printer.cc
M src/property-details.h
M src/runtime/runtime-object.cc
M src/string-stream.cc
M src/x64/lithium-codegen-x64.cc
M test/cctest/cctest.gyp
M test/cctest/test-heap.cc
A test/cctest/test-unboxed-doubles.cc
M tools/gyp/v8.gyp
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