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Mike Stanton 7179cdb116 Reland "Introduce a PREMONOMORPHIC state to StoreGlobalIC" 
(Fixed test failure in lite-mode)

Introduce a PREMONOMORPHIC state to StoreGlobalIC

It's used rather narrowly for now -- only when we run into an
interceptor during the lookup. After the call to SetProperty, we know
more. That is, the interceptor was only there because it's a new
property, and the call to SetProperty ends up creating it.

By delaying the initialization of the IC, we recognize the (now)
created property, and can provide good feedback downstream to
TurboFan.

TBR=ishell@chromium.org

Bug: v8:8712
Change-Id: Ieb79dcf1354ee294ad0f479a4a6c41a77f389850
Reviewed-on: https://chromium-review.googlesource.com/c/1460955
Reviewed-by: Michael Stanton <mvstanton@chromium.org>
Commit-Queue: Michael Stanton <mvstanton@chromium.org>
Cr-Commit-Position: refs/heads/master@{#59483}
2019-02-09 13:39:02 +00:00
benchmarks [test] Ensure random generator in JSTests does not use float arithmetic 2018-12-17 10:05:08 +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 Always route builds through jumbo.gni for simpler code 2019-01-29 12:51:50 +00:00
include [api] Mark SetHiddenPrototype as DEPRECATED 2019-02-08 14:49:30 +00:00
infra [test] increase shard numbers for slow bot 2019-02-06 10:52:20 +00:00
samples Add a sample that uses the JS API to create wasm 2018-06-07 23:43:38 +00:00
src Reland "Introduce a PREMONOMORPHIC state to StoreGlobalIC" 2019-02-09 13:39:02 +00:00
test Reland "Introduce a PREMONOMORPHIC state to StoreGlobalIC" 2019-02-09 13:39:02 +00:00
testing Remove dummy files created for rolling googletest. 2018-03-27 05:55:56 +00:00
third_party [DevTools] Roll inspector_protocol to 02ca2bc2bb337cb2d4143157383b554f9b75dc99. 2019-02-09 01:54:28 +00:00
tools [cleanup] Move some stuff out of objects-inl.h 2019-02-09 00:34:12 +00:00
.clang-format [clang-format] Don't derive pointer alignment 2017-01-17 09:28:19 +00:00
.clang-tidy [tool] Remove unfixed clang-tidy warnings to ease use. 2018-10-26 07:40:32 +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 Revert "[build] Port "Add patched eu-strip in third_party"" 2019-01-31 16:44:20 +00:00
.gn [test] Remove obsolete test262 archive extract 2018-03-28 13:52:15 +00:00
.vpython [tools] Correctly identify and report test crashes and infra failures 2018-10-30 15:05:40 +00:00
.ycm_extra_conf.py [ycm] Switch from gnu++11 to gnu++14 2017-11-27 07:48:21 +00:00
AUTHORS DISALLOW_IMPLICIT_CONSTRUCTORS for MacroAssembler 2019-02-07 09:21:34 +00:00
BUILD.gn [string] port String.p.endsWith to torque 2019-02-07 15:39:18 +00:00
ChangeLog [release] Merge ChangeLog back to master 2018-12-07 15:41:59 +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 [auto-roller] un-break the auto-roller 2019-02-08 09:30:46 +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 Reduce wasm OWNERS to current team members 2018-10-15 14:47:49 +00:00
PRESUBMIT.py Optionally use halfsiphash for integer hashing. 2019-01-09 15:20:51 +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 Reland "Add Windows ARM64 ABI support to V8" 2018-10-24 19:46:36 +00:00
WATCHLISTS Update WATCHLIST wrt yangguo 2018-11-23 08:29:12 +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.