Rob Clark c7b8f16bee freedreno/ir3: optimize immed 2nd src to mad
We can't encode immed sources for cat3 (mad) instructions, but we can
use const in first or third src.  We handled this case already, but we
weren't considering that we could lower immed to const.

For manhattan:

  total instructions in shared programs: 35202 -> 34718 (-1.37%)
  instructions in affected programs: 14931 -> 14447 (-3.24%)
  helped: 90
  HURT: 0
  total full in shared programs: 2451 -> 2359 (-3.75%)
  full in affected programs: 653 -> 561 (-14.09%)
  helped: 69
  HURT: 2

Signed-off-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Kristian H. Kristensen <hoegsberg@google.com>
2019-10-18 15:08:54 -07:00
2019-09-10 20:36:47 +00:00
2019-05-24 18:44:18 +00:00
2019-10-18 15:27:37 +01:00
2019-10-18 16:42:40 +00:00
2019-08-20 22:33:49 +01:00

`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.html
<https://mesa3d.org/install.html>`_), but the recommended way is to use
Meson (`docs/meson.html <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
take a while before someone qualified sees your question.
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
mailing lists: `mesa-dev\@lists.freedesktop.org
<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.html <https://mesa3d.org/bugs.html>`_).


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

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

Note that Mesa uses email mailing-lists for patches submission, review and
discussions.
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