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zhengxing.li 529e333258 X87: [es6] Reintroduce the instanceof operator in the backends. 
port 551e0aa11b (r36275)

  original commit message:
  This adds back the instanceof operator support in the backends and
  introduces a @@hasInstance protector cell on the isolate that guards the
  fast path for the InstanceOfStub. This way we recover the ~10%
  regression on Octane EarleyBoyer in Crankshaft and greatly improve
  TurboFan and Ignition performance of instanceof.

BUG=

Review-Url: https://codereview.chromium.org/1991663002
Cr-Commit-Position: refs/heads/master@{#36303}
2016-05-18 05:45:35 +00:00
benchmarks Revert "Refactoring: Make gtest testsuite the default." 2014-09-02 09:17:26 +00:00
build_overrides [gn] Port more build flags for gn 2016-05-17 19:40:07 +00:00
docs [Docs] Removed unused docs because they are moved to GitHub 2015-11-19 10:23:30 +00:00
gypfiles Reland of move v8_toolset_for_d8 flag (patchset #2 id:80001 of https://codereview.chromium.org/1974773002/ ) 2016-05-13 16:13:12 +00:00
include Add UseCounter for decimal with leading zero. 2016-05-16 23:22:26 +00:00
infra [CQ] Raise blink trybot percentage to 100 2016-04-29 09:05:06 +00:00
samples Rename shell to v8_shell 2016-05-10 12:32:25 +00:00
src X87: [es6] Reintroduce the instanceof operator in the backends. 2016-05-18 05:45:35 +00:00
test [turbofan] Kill type Guard nodes during effect/control linearization. 2016-05-18 05:38:22 +00:00
testing Converted V8 CQ config to proto-format 2015-05-28 15:02:53 +00:00
third_party/binutils [gn] Move build to gypfiles 2016-04-29 10:11:11 +00:00
tools [Interpreter] List top dispatch sources and destinations for a given Ignition bytecode. 2016-05-17 14:44:04 +00:00
.clang-format [formatting] Remove the formatting requirement for 2 empty lines between declarations. 2016-01-25 09:50:17 +00:00
.gitignore Add v8.ignition_dispatches_table.json to .gitignore 2016-05-03 18:12:11 +00:00
.gn [gn] Initialize gn for stand-alone v8 2016-05-02 15:09:18 +00:00
.ycm_extra_conf.py Use C++11 / gnu++11, not 0x 2016-03-22 15:24:43 +00:00
AUTHORS Fix testing of the VEX.L (128/256-bit) flag in the x64 disassembler 2016-04-15 06:24:29 +00:00
BUILD.gn [builtins] Move EncodeURI from runtime to builtins. 2016-05-17 10:56:33 +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. 2016-05-18 03:28:30 +00:00
LICENSE Updates to the license information of third party components. 2015-06-16 12:37:50 +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 [build] Fix Makefile based build. 2016-05-02 09:42:11 +00:00
Makefile.android [gn] Move build to gypfiles 2016-04-29 10:11:11 +00:00
Makefile.nacl [gn] Move build to gypfiles 2016-04-29 10:11:11 +00:00
OWNERS [owners] adding more toplevel owners (but mainly me) 2016-03-16 15:54:42 +00:00
PRESUBMIT.py Remove LOG line checking from presubmit 2016-05-10 17:21:56 +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 Revert of Change v8_snapshot_toolchain to be a GN build arg. (patchset #3 id:40001 of https://codereview.chromium.org/1969693002/ ) 2016-05-12 08:36:05 +00:00
WATCHLISTS [GN] Watchlist upadate to track gyp changes. 2016-05-17 08:14:26 +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.