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Pierre Langlois f1e979a9c8 [cctest] Test parallel moves with near and far ranges. 
The AssembleMove and AssembleSwap tests would only perform moves on stack
parameters. This limits us to testing with slots that are likely to be in range
of loads and stores. As well as only testing memory accesses with positive
offsets relative to the frame pointer.

This patch addresses these limitations by moving half of the stack parameters
into spill slots, to then perform moves on them. Additionally, to increase
ranges, we create articial space between each spilled slot.

As a drive-by, allow giving custom names to code objects created with the
CodeAssemblerTester. It helps a lot inspecting disassembly.

And finally, this CL uncovered a bug where I had forgotten to initialize
FixedArrays, which would make the incremental marker crash.

Bug: v8:6848
Change-Id: Ic1954c1896130f6c55e09a3068bf341cc4c68670
Reviewed-on: https://chromium-review.googlesource.com/980613
Commit-Queue: Pierre Langlois <pierre.langlois@arm.com>
Reviewed-by: Bill Budge <bbudge@chromium.org>
Cr-Commit-Position: refs/heads/master@{#52406}
2018-04-05 17:11:23 +00:00
benchmarks Fix common misspellings 2017-08-02 09:35:28 +00:00
build_overrides [ndk] Change android ndk root for v8 2018-01-11 08:10:33 +00:00
docs [Docs] Removed unused docs because they are moved to GitHub 2015-11-19 10:23:30 +00:00
gni Reland "[build] Remove legacy isolate configurations" 2018-03-28 12:36:55 +00:00
include [debug] expose SideEffectType for whitelisting embedder callbacks 2018-04-04 20:08:00 +00:00
infra Revert "Enable cfi-icall on the v8 CFI bots" 2018-04-04 10:11:20 +00:00
samples [sample] fix potential memory leak. 2018-02-21 13:06:18 +00:00
src [wasm] Crash on out of memory under correctness fuzzer 2018-04-05 17:00:03 +00:00
test [cctest] Test parallel moves with near and far ranges. 2018-04-05 17:11:23 +00:00
testing Remove dummy files created for rolling googletest. 2018-03-27 05:55:56 +00:00
third_party Roll googletest to 1.8.0+. 2018-03-23 07:54:27 +00:00
tools [esnext] Implement String.prototype.matchAll 2018-04-05 15:24:25 +00:00
.clang-format [clang-format] Don't derive pointer alignment 2017-01-17 09:28:19 +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
.gitignore [test] Remove obsolete test262 archive extract 2018-03-28 13:52:15 +00:00
.gn [test] Remove obsolete test262 archive extract 2018-03-28 13:52:15 +00:00
.vpython [tools] Add pypiwin32 pacakge to VPython config 2018-03-09 20:33:36 +00:00
.ycm_extra_conf.py [ycm] Switch from gnu++11 to gnu++14 2017-11-27 07:48:21 +00:00
AUTHORS Fix error message for octal escapes in templates 2018-03-08 18:57:45 +00:00
BUILD.gn [esnext] Implement String.prototype.matchAll 2018-04-05 15:24:25 +00:00
ChangeLog [tools] Merge ChangeLog from latest release 2017-12-19 12:30:56 +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 [wasm] Update spec tests 2018-03-29 16:47:32 +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
OWNERS Adding a few more wasm related OWNERS. 2018-03-01 20:19:07 +00:00
PRESUBMIT.py [gyp] remove gyp files. 2018-02-08 20:04:06 +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 MIPS[64]: Generate snapshots on MIPS big-endian targets 2017-11-24 19:00:32 +00:00
WATCHLISTS Remove v8-x87-ports@ from WATCHLIST 2018-02-26 19:56:21 +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.