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Clemens Hammacher 425ede39eb Revert "[wasm] Refactor function body decoder" 
This reverts commit 6b4dc039a6.

Reason for revert: Mips build failure: https://build.chromium.org/p/client.v8.ports/builders/V8%20Mips%20-%20builder/builds/11749

Original change's description:
> [wasm] Refactor function body decoder
> 
> This refactoring separates graph building from wasm decoding. The
> WasmGraphBuilder is just a consumer of the decoded information.
> Decoding without any consumer (i.e. just validation) gets 16% faster by
> this refactoring, because no TFNode* have to be stored in the value
> stack, and all dynamic tests to determine whether the graph should be
> build are gone (measured on AngryBots; before: 110.2 +- 3.3ms, after:
> 92.2 +- 3.1 ms).
> 
> This new design will allow us to also attach other consumers, e.g. a
> new baseline compiler.
> 
> R=​titzer@chromium.org
> 
> Bug: v8:6600
> Change-Id: I4b60f2409d871a16c3c52a37e515bcfb9dbb8f54
> Reviewed-on: https://chromium-review.googlesource.com/571010
> Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
> Reviewed-by: Ben Titzer <titzer@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#47671}

TBR=titzer@chromium.org,clemensh@chromium.org

Change-Id: I76a50e355f0390cc53a2da4ceedd8830ca20a9c6
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: v8:6600
Reviewed-on: https://chromium-review.googlesource.com/640870
Reviewed-by: Clemens Hammacher <clemensh@chromium.org>
Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#47672}
2017-08-29 10:45:30 +00:00
benchmarks Fix common misspellings 2017-08-02 09:35:28 +00:00
build_overrides Remove build_override for macOS min SDK and deployment target. 2017-07-14 18:24:44 +00:00
docs [Docs] Removed unused docs because they are moved to GitHub 2015-11-19 10:23:30 +00:00
gni add gn jumbo build support 2017-08-09 09:05:29 +00:00
gypfiles [heap] Disable concurrent marking on GYP builds. 2017-08-28 09:14:32 +00:00
include Pass Isolate pointer to String::Utf8Value/Value constructors 2017-08-28 18:17:08 +00:00
infra [build] Add MB config for win64 asan bots 2017-08-16 14:01:31 +00:00
samples Pass Isolate pointer to String::Utf8Value/Value constructors 2017-08-28 18:17:08 +00:00
src Revert "[wasm] Refactor function body decoder" 2017-08-29 10:45:30 +00:00
test Revert "[wasm] Refactor function body decoder" 2017-08-29 10:45:30 +00:00
testing Use GTEST_LANG_CXX11 in V8 2016-07-25 13:06:42 +00:00
third_party Remove myself from non-toplevel owners files 2017-06-28 10:00:48 +00:00
tools Whitespace change to kick bots 2017-08-29 07:04:16 +00:00
.clang-format [clang-format] Don't derive pointer alignment 2017-01-17 09:28:19 +00:00
.editorconfig Add .editorconfig 2017-07-28 13:39:24 +00:00
.gitignore add .vscode to .gitignore 2017-08-14 23:18:09 +00:00
.gn For building v8 using gn on aix_ppc64, linux_s390x and linux_ppc64(both LE and BE). 2017-05-12 01:35:09 +00:00
.ycm_extra_conf.py Use C++11 / gnu++11, not 0x 2016-03-22 15:24:43 +00:00
AUTHORS Pass Isolate pointer to String::Utf8Value/Value constructors 2017-08-28 18:17:08 +00:00
BUILD.gn Revert "[snapshot] Move builtins to dedicated snapshot area" 2017-08-28 15:26:08 +00:00
ChangeLog [Release] Update ChangeLog file 2016-02-17 21:29:09 +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. 2017-08-29 03:54:28 +00:00
LICENSE Updates to the license information of third party components. 2015-06-16 12:37:50 +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
Makefile [heap] Port concurrent marking flag to GYP. 2017-08-23 15:26:43 +00:00
Makefile.android [build] Fix d8-for-Android builds 2016-05-20 12:10:45 +00:00
OWNERS Add eholk and gdeepti to toplevel owners 2017-08-12 07:07:29 +00:00
PRESUBMIT.py [test] Automatically add a noi18n bot for changes affecting Intl 2017-06-06 13:01:14 +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]: Add support for big endian build using GN 2017-06-02 15:02:18 +00:00
WATCHLISTS [V8Tracing] Add lpy@ and fmeawad@ into watchlist for tracing/. 2017-05-22 19:40:17 +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.