Daniel Schürmann c4217ef2fc aco: don't create dead exec mask phis on merge blocks
Avoids some unnecessary exec copies and allows for a bit more
jump threading.

Totals from 112 (0.08% of 139391) affected shaders (NAVI10):
SpillSGPRs: 3084 -> 3050 (-1.10%)
CodeSize: 2657516 -> 2652376 (-0.19%)
Instrs: 492074 -> 490824 (-0.25%)
Cycles: 40369704 -> 40317052 (-0.13%)
VMEM: 24212 -> 24128 (-0.35%)
SClause: 12018 -> 12010 (-0.07%)
Copies: 72950 -> 72275 (-0.93%)
Branches: 13249 -> 12701 (-4.14%)

Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8059>
2020-12-14 15:58:24 +00:00
2020-08-06 09:46:48 +00:00
2020-12-10 18:38:13 +00:00
2020-12-10 18:38:13 +00:00
2020-01-18 11:39:32 +01:00
2020-08-06 09:46:48 +00:00
2020-12-10 18:38:13 +00:00
2020-12-10 18:38:13 +00:00
2019-10-18 16:42:40 +00:00
2020-11-09 16:20:45 -08:00

`Mesa <https://mesa3d.org>`_ - The 3D Graphics Library
======================================================


Source
------

This repository lives at https://gitlab.freedesktop.org/mesa/mesa.
Other repositories are likely forks, and code found there is not supported.


Build & install
---------------

You can find more information in our documentation (`docs/install.rst
<https://mesa3d.org/install.html>`_), but the recommended way is to use
Meson (`docs/meson.rst <https://mesa3d.org/meson.html>`_):

.. code-block:: sh

  $ mkdir build
  $ cd build
  $ meson ..
  $ sudo ninja install


Support
-------

Many Mesa devs hang on IRC; if you're not sure which channel is
appropriate, you should ask your question on `Freenode's #dri-devel
<irc://chat.freenode.net#dri-devel>`_, someone will redirect you if
necessary.
Remember that not everyone is in the same timezone as you, so it might
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To figure out who you're talking to, or which nick to ping for your
question, check out `Who's Who on IRC
<https://dri.freedesktop.org/wiki/WhosWho/>`_.

The next best option is to ask your question in an email to the
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<https://lists.freedesktop.org/mailman/listinfo/mesa-dev>`_


Bug reports
-----------

If you think something isn't working properly, please file a bug report
(`docs/bugs.rst <https://mesa3d.org/bugs.html>`_).


Contributing
------------

Contributions are welcome, and step-by-step instructions can be found in our
documentation (`docs/submittingpatches.rst
<https://mesa3d.org/submittingpatches.html>`_).

Note that Mesa uses gitlab for patches submission, review and discussions.
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