Rhys Perry 5912c7d3fa aco: only add vscnt wait when visiting VMEM/DS
This prevents issues where we insert a s_waitcnt_vscnt(0) at the start of
a block or very end of the shader because we're joining two blocks (for
example, one with has_VMEM=true and the other with
has_branch_after_DS=true).

fossil-db (navi10):
Totals from 2441 (1.51% of 161220) affected shaders:
Instrs: 1383964 -> 1384094 (+0.01%); split: -0.07%, +0.08%
CodeSize: 7438212 -> 7438760 (+0.01%); split: -0.05%, +0.06%
Latency: 13780665 -> 13679664 (-0.73%); split: -1.53%, +0.80%
InvThroughput: 2950835 -> 2921511 (-0.99%); split: -1.06%, +0.07%

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Timur Kristóf <timur.kristof@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/17697>
2022-08-08 13:59:17 +00:00
2022-01-19 15:17:17 +00:00
2022-07-15 21:31:51 +00:00
2022-08-03 17:16:14 +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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