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v2: Move the full constant folding part to brw_constant_fold_instruction. Suggested by Caio. I did this by extracting the core part of the folding to a helper function. v3: Delete stale comment. Noticed by Caio. shader-db: All Intel platforms had similar results. (Lunar Lake shown) total instructions in shared programs: 18090847 -> 18090843 (<.01%) instructions in affected programs: 150 -> 146 (-2.67%) helped: 1 / HURT: 0 total cycles in shared programs: 919664648 -> 919663210 (<.01%) cycles in affected programs: 3426 -> 1988 (-41.97%) helped: 1 / HURT: 0 LOST: 1 GAINED: 0 fossil-db: All Intel platforms had similar results. (Lunar Lake shown) Totals: Instrs: 220496486 -> 220496403 (-0.00%) Cycle count: 31610880908 -> 31610879044 (-0.00%); split: -0.00%, +0.00% Totals from 70 (0.01% of 702439) affected shaders: Instrs: 47018 -> 46935 (-0.18%) Cycle count: 6335504 -> 6333640 (-0.03%); split: -0.11%, +0.09% Reviewed-by: Caio Oliveira <caio.oliveira@intel.com> Reviewed-by: Matt Turner <mattst88@gmail.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/32436>
`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://docs.mesa3d.org/install.html>`_), but the recommended way is to use Meson (`docs/meson.rst <https://docs.mesa3d.org/meson.html>`_): .. code-block:: sh $ meson setup build $ ninja -C build/ $ sudo ninja -C build/ 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://docs.mesa3d.org/bugs.html>`_). Contributing ------------ Contributions are welcome, and step-by-step instructions can be found in our documentation (`docs/submittingpatches.rst <https://docs.mesa3d.org/submittingpatches.html>`_). Note that Mesa uses gitlab for patches submission, review and discussions.