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read-only mirror of https://gitlab.freedesktop.org/mesa/mesa
5a80bf2eb0
We have an imad instruction and our iadd has a small immediate shift on the second source. Together, these allow expressing lots of integer multiplies more efficiently. Add some rules to optimize these now that the backend compiler can ingest the optimized forms. Half-register changes are from load_const scheduling changing in some vertex shaders. total instructions in shared programs: 1539092 -> 1537949 (-0.07%) instructions in affected programs: 167896 -> 166753 (-0.68%) total bytes in shared programs: 10543012 -> 10533866 (-0.09%) bytes in affected programs: 1218068 -> 1208922 (-0.75%) total halfregs in shared programs: 483180 -> 483448 (0.06%) halfregs in affected programs: 1942 -> 2210 (13.80%) Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/22695> |
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`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.