Rhys Perry 5bc27e80c9 ac/nir: fix 32-bit offset global access optimization
Since 38cff03e58 ("radv: use nir_lower_conv64"), u2u64(a) is replaced
with pack_64_2x32_split(a, 0).

fossil-db (navi31):
Totals from 1203 (1.52% of 79330) affected shaders:
MaxWaves: 33685 -> 33813 (+0.38%)
Instrs: 1407031 -> 1374689 (-2.30%); split: -2.32%, +0.02%
CodeSize: 7088652 -> 6917320 (-2.42%); split: -2.43%, +0.01%
VGPRs: 69276 -> 68988 (-0.42%); split: -0.43%, +0.02%
SpillSGPRs: 982 -> 977 (-0.51%); split: -0.92%, +0.41%
Latency: 12536511 -> 12451605 (-0.68%); split: -0.94%, +0.27%
InvThroughput: 2456803 -> 2431241 (-1.04%); split: -1.09%, +0.05%
VClause: 27624 -> 27832 (+0.75%); split: -1.88%, +2.64%
SClause: 31757 -> 32702 (+2.98%); split: -0.53%, +3.51%
Copies: 90923 -> 91238 (+0.35%); split: -1.47%, +1.81%
Branches: 25127 -> 25128 (+0.00%); split: -0.00%, +0.01%
PreSGPRs: 46025 -> 46068 (+0.09%); split: -0.53%, +0.62%
PreVGPRs: 53944 -> 53488 (-0.85%)

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Georg Lehmann <dadschoorse@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/26402>
2023-11-30 21:50:21 +00:00
2023-11-24 11:59:15 +00:00
2022-11-22 19:04:13 +00:00
2023-11-29 21:05:45 +00:00
2023-11-29 14:57:42 +00:00
2023-11-02 11:37:46 +00:00
2022-11-21 23:09:30 +00:00
2023-10-25 19:56:42 +00:00

`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 `OFTC's #dri-devel
<irc://irc.oftc.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.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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