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mlippautz f88fe51a00 [heap] Remove PromotionMode used by Scavenger 
The scavenger should never consider mark bits for promotion/copy as this creates
weird livetimes at the start of incremental marking. E.g. consider an object
marked black by the marker at the start of incremental marking. A scavenge would
promote it to the old generation although it could --and for short-living
objects actually does-- become unreachable during marking

Also, keeping this invariant significantly simplifies young generation mark
compacting as we can compare against the scavenging decision without keeping
different sets of markbits.

BUG=chromium:651354
R=hpayer@chromium.org

Review-Url: https://codereview.chromium.org/2397713002
Cr-Commit-Position: refs/heads/master@{#40026}
2016-10-06 10:14:23 +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 [build] Landmine to fix windows build problems 2016-10-05 19:33:33 +00:00
include ValueSerializer: Expose reading/writing doubles to embedder. 2016-10-04 13:44:41 +00:00
infra [build] Use same symbol level as chromium for android 2016-09-30 11:59:12 +00:00
samples Revert of Reland "Turn libbase into a component" (patchset #1 id:1 of https://codereview.chromium.org/2395553002/ ) 2016-10-05 19:14:41 +00:00
src [heap] Remove PromotionMode used by Scavenger 2016-10-06 10:14:23 +00:00
test [heap] Remove PromotionMode used by Scavenger 2016-10-06 10:14:23 +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 Revert of Reland "Turn libbase into a component" (patchset #1 id:1 of https://codereview.chromium.org/2395553002/ ) 2016-10-05 19:14:41 +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 Revert of Reland "Turn libbase into a component" (patchset #1 id:1 of https://codereview.chromium.org/2395553002/ ) 2016-10-05 19:14:41 +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. 2016-10-06 03:38:43 +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 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 [inspector] added devtools-reviews@chromium.org in WATCHLISTS for inspector 2016-09-29 15:16:54 +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.