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mvstanton 3bce9c3afb New hydrogen instruction to reduce cost of growing an array on keyed stores. 
HMaybeGrowElements moves the situation where you actually have to grow
into deferred code. This means crankshaft doesn't have to spill registers
just to make the bounds comparison to see if it'll need to grow or not.

It makes the growing case a bit more expensive, but reduces the cost of
the general case.

BUG=chromium:484025
LOG=N

Review URL: https://codereview.chromium.org/1124443004

Cr-Commit-Position: refs/heads/master@{#28359}
2015-05-12 08:47:16 +00:00
benchmarks Revert "Refactoring: Make gtest testsuite the default." 2014-09-02 09:17:26 +00:00
build Revert of Add the concept of a V8 extras exports object (patchset #5 id:80001 of https://codereview.chromium.org/1128113006/) 2015-05-11 08:19:58 +00:00
include Don't create debug context if debug listener is not set 2015-05-12 07:33:18 +00:00
samples Pass ArrayBuffer::Allocator via Isolate::CreateParams 2015-04-29 09:54:43 +00:00
src New hydrogen instruction to reduce cost of growing an array on keyed stores. 2015-05-12 08:47:16 +00:00
test Revert of Migrate error messages, part 10. (patchset #2 id:20001 of https://codereview.chromium.org/1126043004/) 2015-05-12 08:33:28 +00:00
testing [test] Add avx2 bot to CQ. 2015-04-30 08:47:49 +00:00
third_party/binutils Ignore unsupport host architectures for binutils download. 2015-02-10 07:51:42 +00:00
tools [destructuring] Implement basic binding destructuring infrastructure 2015-05-11 16:28:22 +00:00
.clang-format Change clang-format config to allow for two empty lines between functions 2013-12-03 10:39:21 +00:00
.gitignore Use cctest to track memory stats for isolate and context. 2015-04-10 14:13:25 +00:00
.ycm_extra_conf.py [ycm] The YouCompleteMe configuration is not VIM specific. 2015-02-12 07:21:13 +00:00
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ChangeLog Upgrade version and change log after branch. 2014-11-10 10:41:13 +00:00
codereview.settings Removed TRYSERVER_ROOT since this is not used anymore 2015-01-28 11:04:32 +00:00
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LICENSE.strongtalk Add LICENSE.v8, LICENSE.strongtalk and LICENSE.valgrind to the v8 2011-02-03 07:10:06 +00:00
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Makefile Makefile: introduce debugsymbols=on flag 2015-04-15 15:20:18 +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/*