Reviewers: titzer,
Message:
PTAL
Description:
Remove elements transitions from the transition array.
This is preparatory work for reordering the transition tree. Since elements
transitions will be at the root of the transition tree, runtime access to
them
is slow since we have to walk the transition tree backwards first. Hence
remove
the optimization that promoted them to a special field, requiring a pointer
(mostly NULL) in every non-simple transition array.
Please review this at https://chromiumcodereview.appspot.com/21228002/
SVN Base: https://v8.googlecode.com/svn/branches/bleeding_edge
Affected files:
M include/v8.h
M src/heap.h
M src/heap.cc
M src/ia32/lithium-codegen-ia32.cc
M src/objects-debug.cc
M src/objects-inl.h
M src/objects.cc
M src/transitions-inl.h
M src/transitions.h
M src/transitions.cc
M src/x64/lithium-codegen-x64.cc
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