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ishell 6d0677d845 Reland of Remove slots that point to unboxed doubles from the StoreBuffer/SlotsBuffer. 
The problem is that tagged slot could become a double slot after migrating of an object to another map with "shifted" fields (for example as a result of generalizing immutable data property to a data field).
This CL also adds useful machinery that helps triggering incremental write barriers.

BUG=chromium:454297, chromium:465273
LOG=Y

Review URL: https://codereview.chromium.org/988363002

Cr-Commit-Position: refs/heads/master@{#27141}
2015-03-11 19:29:57 +00:00
benchmarks Revert "Refactoring: Make gtest testsuite the default." 2014-09-02 09:17:26 +00:00
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samples shell.cc race condition 2015-02-02 08:08:31 +00:00
src Reland of Remove slots that point to unboxed doubles from the StoreBuffer/SlotsBuffer. 2015-03-11 19:29:57 +00:00
test Reland of Remove slots that point to unboxed doubles from the StoreBuffer/SlotsBuffer. 2015-03-11 19:29:57 +00:00
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tools [turbofan] Unify Math.floor / Math.ceil optimization. 2015-03-10 08:42:53 +00:00
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README.md

V8 JavaScript Engine

V8 is Google's open source JavaScript engine.

V8 implements ECMAScript as specified in ECMA-262.

V8 is written in C++ and is used in Google Chrome, the open source browser from Google.

V8 can run standalone, or can be embedded into any C++ application.

V8 Project page: https://code.google.com/p/v8/

Getting the Code

Checkout depot tools, and run

fetch v8

This will checkout V8 into the directory v8 and fetch all of its dependencies. To stay up to date, run

git pull origin gclient sync

For fetching all branches, add the following into your remote configuration in .git/config:

    fetch = +refs/branch-heads/*:refs/remotes/branch-heads/*
    fetch = +refs/tags/*:refs/tags/*