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Erik Corry 8378b8fdbf VM: Reland Inline instance object hash code into object header on 64bit. 
Inline instance object hash code into object header on 64 bit.

64 bit objects have 32 bits of free space in the header word.
This is used for the hash code in string objects. We take it
for the default hash code on all objects that don't override
the hashCode getter.

This is both faster and a memory reduction. Eg it makes the
MegaHashCode part of the Megamorphic benchmark 6 times faster.

This is a reland of https://codereview.chromium.org/2912863006/
It fixes issues with the 32 bit compare-swap instruction on
ARM64 and fixes a fragile tree shaking test that is sensitive
to which private methods are in the core libraries.

R=kustermann@google.com, vegorov@google.com
BUG=

Review-Url: https://codereview.chromium.org/2954453002 .
2017-06-22 14:56:24 +02:00
build Use assembly instead of C array literals to link the core snapshot into the VM. 2017-05-24 14:38:15 -07:00
client Remove old annotated_steps buildbot scripts and dispatcher 2017-05-23 16:17:02 +02:00
docs/language Add informal specification for optional-new/const, constructor tearoffs. 2017-06-20 13:21:36 +02:00
pkg VM: Reland Inline instance object hash code into object header on 64bit. 2017-06-22 14:56:24 +02:00
runtime VM: Reland Inline instance object hash code into object header on 64bit. 2017-06-22 14:56:24 +02:00
samples Revert "Revert "Revert "Revert "Refactor test option parsing code."""" 2017-05-26 15:04:55 -07:00
samples-dev Fix swarm for non-integer Event timeStamps 2017-05-10 12:48:39 -07:00
sdk Added timeout parameter to RawSocket and Socket connect, which allows for the specification of a maximum time to wait for a valid connection to be established. 2017-06-21 14:31:52 -07:00
tests Correct merge errors in co19 roll 2017-06-22 13:47:43 +02:00
third_party Fix ARMv6 Linux cross-build 2017-05-22 13:15:33 -07:00
tools Update co19 to revision dec2b67aaab3bb7339b9764049707e71e601da3d 2017-06-22 11:46:13 +02:00
utils Mostly revert "[fuchsia] Prepare for setting the Dart target architecture appropriately in the host binaries." 2017-06-21 15:19:21 -07:00
.clang-format Add .clang-format and run clang-format on runtime/platform. 2016-11-03 14:25:16 -07:00
.gitattributes Restore line endings of files that should be CRLF. 2016-12-09 11:09:55 -08:00
.gitignore Git ignore vscode project files. 2017-03-23 15:26:06 -07:00
.gn Starting work on full GN build 2016-09-23 07:47:36 -07:00
.mailmap Add .mailmap file. 2015-05-18 19:33:16 +02:00
.packages Upgrade dartdoc to v0.12.0. 2017-06-16 07:51:13 -07:00
.travis.yml Allow canary to timeout 2017-05-02 10:02:51 -07:00
AUTHORS Add Cristian Almstrand to AUTHORS 2015-07-16 09:51:56 -07:00
BUILD.gn [Fuchsia] Really remove dead GN flag 2017-05-23 22:18:39 -07:00
CHANGELOG.md Added timeout parameter to RawSocket and Socket connect, which allows for the specification of a maximum time to wait for a valid connection to be established. 2017-06-21 14:31:52 -07:00
codereview.settings Remove trailing slash in codereview.settings to fix review url double slash 2015-10-01 07:27:13 -07:00
create_sdk.gyp Make list_files.py and list_dart_files.py return absolute paths for GN 2016-12-13 10:01:28 -08:00
dart.gyp Remove dart_noopt and related parts from the VM. 2017-01-11 16:55:55 -08:00
DEPS Update co19 to revision dec2b67aaab3bb7339b9764049707e71e601da3d 2017-06-22 11:46:13 +02:00
LICENSE Remove the Dromaeo and TodoMVC samples. 2016-01-11 13:09:26 -08:00
PATENTS
PRESUBMIT.py Print the correct path to dartfmt in the presubmit error message. 2017-04-04 16:13:31 -07:00
README.dart-sdk remove docgen from the sdk 2015-09-18 13:18:10 -07:00
README.md [gardening] Whitespace change to trigger bots. 2017-04-28 10:08:58 -07:00
WATCHLISTS [infra] Fix Observatory watchlist. 2017-06-13 16:21:35 -07:00

README.md

Dart

Dart is an open-source, scalable programming language, with robust libraries and runtimes, for building web, server, and mobile apps.

Using Dart

Visit the dartlang.org to learn more about the language, tools, getting started, and more.

Browse pub.dartlang.org for more packages and libraries contributed by the community and the Dart team.

Building Dart

If you want to build Dart yourself, here is a guide to getting the source, preparing your machine to build the SDK, and building.

There are more documents on our wiki.

Contributing to Dart

The easiest way to contribute to Dart is to file issues.

You can also contribute patches, as described in Contributing.

License & patents

See LICENSE and PATENTS.