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Yang Guo ac66c97cfd Reland "Do not use FixedDoubleArray to store RNG state" 
This is a reland of 33fa357b6f

TBR=mvstanton@chromium.org

Original change's description:
> Do not use FixedDoubleArray to store RNG state
>
> Also:
>  - replace runtime call with cheaper C call
>  - change state to double conversion
>
> R=mvstanton@chromium.org
>
> Bug: v8:8212
> Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng
> Change-Id: If4bfe0f5fb1864c89f4acd871cb8b74c7cd7ab09
> Reviewed-on: https://chromium-review.googlesource.com/1240116
> Commit-Queue: Yang Guo <yangguo@chromium.org>
> Reviewed-by: Michael Stanton <mvstanton@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#56165}

Bug: v8:8212
Change-Id: Iccc9128034ce7b65801a04a54982219b5a4fe84e
Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng
Reviewed-on: https://chromium-review.googlesource.com/1238551
Reviewed-by: Yang Guo <yangguo@chromium.org>
Commit-Queue: Yang Guo <yangguo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56175}
2018-09-24 14:23:22 +00:00
benchmarks Fix common misspellings 2017-08-02 09:35:28 +00:00
build_overrides [ndk] Change android ndk root for v8 2018-01-11 08:10:33 +00:00
custom_deps [build] Add common directory for custom deps 2018-06-08 19:23:02 +00:00
docs [Docs] Removed unused docs because they are moved to GitHub 2015-11-19 10:23:30 +00:00
gni Disable multi_snapshots by default 2018-06-28 10:02:12 +00:00
include [API] Rename GetBuiltinsCodeRange to GetEmbeddedCodeRange. 2018-09-24 14:05:46 +00:00
infra [tools] Only apply android_unstripped_runtime_outputs on Android where it is defined 2018-09-21 17:48:23 +00:00
samples Add a sample that uses the JS API to create wasm 2018-06-07 23:43:38 +00:00
src Reland "Do not use FixedDoubleArray to store RNG state" 2018-09-24 14:23:22 +00:00
test [API] Rename GetBuiltinsCodeRange to GetEmbeddedCodeRange. 2018-09-24 14:05:46 +00:00
testing Remove dummy files created for rolling googletest. 2018-03-27 05:55:56 +00:00
third_party [torque] Improve formatting in format-torque 2018-09-24 10:08:00 +00:00
tools [cleanup] Ensure [READ_ONLY|MUTABLE]_ROOT_LIST contain ALL RO/mutable entries 2018-09-24 14:04:41 +00:00
.clang-format [clang-format] Don't derive pointer alignment 2017-01-17 09:28:19 +00:00
.clang-tidy Add a tool/script to run clang-tidy over V8. 2018-09-11 12:01:09 +00:00
.editorconfig Add .editorconfig 2017-07-28 13:39:24 +00:00
.git-blame-ignore-revs [build] Add DEPS formatting to hyper-blame 2017-10-09 14:08:45 +00:00
.gitattributes .gitattributes: Mark minified emscripten js files as -diff 2018-09-19 16:27:10 +00:00
.gitignore stop depsing in gyp 2018-09-03 14:13:18 +00:00
.gn [test] Remove obsolete test262 archive extract 2018-03-28 13:52:15 +00:00
.vpython [tools] Add VPython config for callstats.py 2018-08-14 10:15:46 +00:00
.ycm_extra_conf.py [ycm] Switch from gnu++11 to gnu++14 2017-11-27 07:48:21 +00:00
AUTHORS [Intl] Rename dayperiod to dayPeriod 2018-09-14 17:04:03 +00:00
BUILD.gn Reland "Do not use FixedDoubleArray to store RNG state" 2018-09-24 14:23:22 +00:00
ChangeLog [tools] Merge ChangeLog from latest release 2017-12-19 12:30:56 +00:00
CODE_OF_CONDUCT.md Explicitly state that the Chromium Code of Conduct also applies to V8 2016-03-02 09:51:24 +00:00
codereview.settings Make Gerrit the default code review for V8 2017-06-30 17:37:37 +00:00
DEPS Update V8 DEPS. 2018-09-24 13:19:46 +00:00
LICENSE Add antlr4 runtime library to support Torque 2018-04-10 10:01:01 +00:00
LICENSE.fdlibm Add LICENSE.fdlibm for all the fdlibm imported sources. 2016-06-09 07:17:03 +00:00
LICENSE.strongtalk Add LICENSE.v8, LICENSE.strongtalk and LICENSE.valgrind to the v8 2011-02-03 07:10:06 +00:00
LICENSE.v8 Add LICENSE.v8, LICENSE.strongtalk and LICENSE.valgrind to the v8 2011-02-03 07:10:06 +00:00
LICENSE.valgrind Add LICENSE.v8, LICENSE.strongtalk and LICENSE.valgrind to the v8 2011-02-03 07:10:06 +00:00
OWNERS Update OWNERS files. 2018-07-17 07:56:16 +00:00
PRESUBMIT.py Add autoroller task account into bot whitelist for author check 2018-06-06 14:40:09 +00:00
README.md [Docs] Removed unused docs because they are moved to GitHub 2015-11-19 10:23:30 +00:00
snapshot_toolchain.gni MIPS[64]: Generate snapshots on MIPS big-endian targets 2017-11-24 19:00:32 +00:00
WATCHLISTS Make my watchlists easier to filter 2018-08-30 15:28:02 +00:00

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://github.com/v8/v8/wiki

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/*

Contributing

Please follow the instructions mentioned on the V8 wiki.