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Igor Sheludko 4170e328e0 [ptr-compr][cleanup] Introduce TaggedImpl<> as a base for MaybeObject 
This is a first step towards unification of Object and MaybeObject
definitions.

Having an TaggedImpl template will simplify adding compressed variants
of Object and MaybeObject which is required for avoiding unnecessary
value decompression in tight value copying loops and write barrier
implementations.

Bug: v8:7703, v8:9183
Change-Id: I4c1931c22359533d50cf4a2c7f1339dd55c0c707
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1588460
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#61385}
2019-05-09 15:06:53 +00:00
benchmarks [test] Ensure random generator in JSTests does not use float arithmetic 2018-12-17 10:05:08 +00:00
build_overrides [tracing] Add build config for Perfetto behind a flag 2019-03-28 09:26:52 +00:00
custom_deps [build] Add common directory for custom deps 2018-06-08 19:23:02 +00:00
docs [docs] Change links from old wiki to v8.dev 2019-03-07 12:13:30 +00:00
gni [build] Compile compiler with optimizations in fast mksnapshot mode 2019-04-09 13:34:32 +00:00
include [api] Remove methods deprecated in 7.5 and earlier 2019-05-09 10:38:38 +00:00
infra [build] Add configs for ios builders 2019-05-09 09:21:56 +00:00
samples Add a sample that uses the JS API to create wasm 2018-06-07 23:43:38 +00:00
src [ptr-compr][cleanup] Introduce TaggedImpl<> as a base for MaybeObject 2019-05-09 15:06:53 +00:00
test [tests] Fix cctests to work with lazy feedback allocation 2019-05-09 13:56:51 +00:00
testing Remove dummy files created for rolling googletest. 2018-03-27 05:55:56 +00:00
third_party [DevTools] Roll inspector_protocol for v8. 2019-05-06 20:25:48 +00:00
tools [perf] mark timeouts as failures even when retried successfuly 2019-05-09 14:37:03 +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 Add .ccls-cache to .gitignore 2019-02-26 10:32:45 +00:00
.gn [test] Remove obsolete test262 archive extract 2018-03-28 13:52:15 +00:00
.vpython [tools] Implement confidence-based number of runs 2019-05-09 09:42:28 +00:00
.ycm_extra_conf.py [ycm] Switch from gnu++11 to gnu++14 2017-11-27 07:48:21 +00:00
AUTHORS [arm64][turbofan] FP simplification 2019-05-06 08:25:22 +00:00
BUILD.gn [ptr-compr][cleanup] Introduce TaggedImpl<> as a base for MaybeObject 2019-05-09 15:06:53 +00:00
ChangeLog [release] Merge ChangeLog back to master 2018-12-07 15:41:59 +00:00
CODE_OF_CONDUCT.md
codereview.settings Make Gerrit the default code review for V8 2017-06-30 17:37:37 +00:00
DEPS Update V8 DEPS. 2019-05-09 03:42:54 +00:00
LICENSE [wasm] Draft version of C/C++ Wasm API 2019-04-17 16:00:26 +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
OWNERS [owners] Add szuend@chromium.org to top level owners 2019-03-18 09:37:52 +00:00
PRESUBMIT.py Revert "[torque] Temporarily disable torque format check to pass presubmit" 2019-02-20 14:07:17 +00:00
README.md [docs] Change links from old wiki to v8.dev 2019-03-07 12:13:30 +00:00
snapshot_toolchain.gni Make win/cross build work better when targeting arm64 on macOS hosts. 2019-03-22 18:30:23 +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://v8.dev/docs

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 at v8.dev/docs/contribute.