24d35a56d9
It is much easier to just add a simple late algebraic pass than actually trying to teach the backend to recognize all the different patterns. RV530 shader-db: total instructions in shared programs: 129643 -> 129468 (-0.13%) instructions in affected programs: 17665 -> 17490 (-0.99%) helped: 176 HURT: 39 total presub in shared programs: 4912 -> 5411 (10.16%) presub in affected programs: 1651 -> 2150 (30.22%) helped: 0 HURT: 287 total temps in shared programs: 16904 -> 16918 (0.08%) temps in affected programs: 812 -> 826 (1.72%) helped: 25 HURT: 37 total cycles in shared programs: 194771 -> 194675 (-0.05%) cycles in affected programs: 28096 -> 28000 (-0.34%) helped: 146 HURT: 41 Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/9364 Reviewed-by: Filip Gawin <filip.gawin@collabora.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24830>
`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.