Reviewers: Hannes Payer,
Message:
Hi Hannes,
Not sure if we want to check this in or not, as it might be enough for
experiments to rebase on tip of tree. But this seems to be what is
necessary to
turn off alloc. site transitioning. I ran kraken-once on this to get a 6.5%
degrade, roughly what was expected. Note that the flag
--allocation-site-transitioning has to be turned off for the snapshot as
well as
any test runs.
Description:
Introduce flag --allocation-site-transitioning
We use allocation sites to optimize elements-kind transitioning.
For experimental purposes, it's useful to turn this on and off.
[email protected]
Please review this at https://codereview.chromium.org/619863002/
SVN Base: https://v8.googlecode.com/svn/branches/bleeding_edge
Affected files (+129, -81 lines):
M src/code-stubs.h
M src/flag-definitions.h
M src/ia32/code-stubs-ia32.cc
M src/ia32/full-codegen-ia32.cc
M src/objects.cc
M src/objects-inl.h
M src/runtime.h
M src/runtime.cc
M test/cctest/test-heap.cc
M test/mjsunit/allocation-site-info.js
M test/mjsunit/array-constructor-feedback.js
M test/mjsunit/array-feedback.js
M test/mjsunit/array-literal-feedback.js
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