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jkummerow b15dd963a3 [stubs] KeyedLoadIC_Megamorphic: use stub cache lookup as fallback 
When the inline lookup on a fast-property receiver doesn't find anything,
try a stub cache lookup before going into the runtime. This is much
faster for properties loaded from the receiver's prototype chain.

BUG=chromium:650236

Review-Url: https://codereview.chromium.org/2373683002
Cr-Commit-Position: refs/heads/master@{#39813}
2016-09-28 09:05:17 +00:00
benchmarks Revert "Refactoring: Make gtest testsuite the default." 2014-09-02 09:17:26 +00:00
build_overrides [inspector] Build inspector under v8_enable_inspector build flag. 2016-09-06 23:26:35 +00:00
docs [Docs] Removed unused docs because they are moved to GitHub 2015-11-19 10:23:30 +00:00
gni [swarming] Remove hard-coded shared library configs 2016-07-28 07:18:15 +00:00
gypfiles [gn] Switch off gyp in runhooks by default 2016-09-09 14:23:14 +00:00
include [tracing] Implement Add/RemoveTraceStateObserver for default platform. 2016-09-27 20:12:55 +00:00
infra [build] Use shared libraries by default for debug builds 2016-09-27 09:46:36 +00:00
samples Provide a convenience array buffer allocator 2016-06-29 07:42:40 +00:00
src [stubs] KeyedLoadIC_Megamorphic: use stub cache lookup as fallback 2016-09-28 09:05:17 +00:00
test [heap] Make committed counters on space size_t 2016-09-28 08:48:37 +00:00
testing Use GTEST_LANG_CXX11 in V8 2016-07-25 13:06:42 +00:00
third_party/binutils Update binutils version to match Chromium. 2016-07-08 07:03:29 +00:00
tools [tools] Improve callstats.html 2016-09-28 07:50:02 +00:00
.clang-format [formatting] Remove the formatting requirement for 2 empty lines between declarations. 2016-01-25 09:50:17 +00:00
.gitignore [inspector] added closure compiler into DEPS 2016-09-23 19:05:23 +00:00
.gn Disentangle gyp and gn files 2016-09-14 19:02:41 +00:00
.ycm_extra_conf.py Use C++11 / gnu++11, not 0x 2016-03-22 15:24:43 +00:00
AUTHORS [inspector] Initial import of v8_inspector. 2016-09-01 20:28:33 +00:00
BUILD.gn Enable component builds for fuzzers 2016-09-26 07:40:44 +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 Use v8-reviews@ for review mail, so v8-dev@ is free for dev discussions 2015-09-09 08:14:11 +00:00
DEPS Update V8 DEPS. 2016-09-28 04:06:01 +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
LICENSE.v8
LICENSE.valgrind
Makefile Remove NaCl support. 2016-07-27 07:50:31 +00:00
Makefile.android [build] Fix d8-for-Android builds 2016-05-20 12:10:45 +00:00
OWNERS Remove oth from OWNERS 2016-09-05 13:38:25 +00:00
PRESUBMIT.py Fix BUILD.gn files and add presubmit step 2016-09-19 10:59:41 +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 Use clang for snapshot_toolchain by default, except on ChromeOS. 2016-08-23 14:04:27 +00:00
WATCHLISTS Remove oth from v8 WATCHLISTS file. 2016-08-30 08:32:33 +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.