Artem Serov f8d42542dd [vm/compiler] ARM64: Block R22 to hold NullObject().
Block R22 to hold a cached version of NullObject();
refresh it in the same way as for BARRIER_MASK register.
Alter assembler to avoid emitting load and to use NR
register directly instead.

This change improves Flutter Gallery code size by:

Instr: -1.81%.
Total: -1.16%.

Change-Id: Ifec654e799737527eec1d8a0e87b4a197ad0298a
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/125662
Commit-Queue: Vyacheslav Egorov <vegorov@google.com>
Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
2019-11-21 14:11:55 +00:00
2019-04-30 18:14:21 +00:00
2019-11-04 09:31:27 +00:00
2019-08-05 20:34:31 +00:00
2018-10-11 23:45:18 +00:00
2018-09-11 01:45:52 +00:00
2019-08-05 20:34:31 +00:00
2019-11-20 11:26:45 +00:00
2019-11-14 14:30:06 +00:00
2019-08-16 12:03:17 +00:00
2019-08-16 12:24:02 +00:00

Dart

A client-optimized language for fast apps on any platform

Dart is:

  • Optimized for UI: Develop with a programming language specialized around the needs of user interface creation

  • Productive: Make changes iteratively: use hot reload to see the result instantly in your running app

  • Fast on all platforms: Compile to ARM & x64 machine code for mobile, desktop, and backend. Or compile to JavaScript for the web

Dart has flexible compiler technology lets you run Dart code in different ways, depending on your target platform and goals:

  • Dart Native: For programs targeting devices (mobile, desktop, server, and more), Dart Native includes both a Dart VM with JIT (just-in-time) compilation and an AOT (ahead-of-time) compiler for producing machine code.

  • Dart Web: For programs targeting the web, Dart Web includes both a development time compiler (dartdevc) and a production time compiler (dart2js).

Dart platforms illustration

License & patents

Dart is free and open source.

See LICENSE and PATENT_GRANT.

Using Dart

Visit the dart.dev to learn more about the language, tools, getting started, and more.

Browse pub.dev 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.

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