Timur Kristóf
c8445c1691
Some time ago we stopped using s_andn2 with exec for boolean NOT. The reasoning behind that change was that those booleans will be always ANDed with exec when necessary. This inhibited the inverse-comparison optimization in most cases which is fixed by this patch. Fossil DB stats on Navi 21: Totals from 12251 (9.08% of 134913) affected shaders: VGPRs: 801744 -> 802016 (+0.03%); split: -0.00%, +0.04% SpillSGPRs: 8863 -> 8893 (+0.34%) CodeSize: 100593244 -> 100370684 (-0.22%); split: -0.22%, +0.00% MaxWaves: 204994 -> 204948 (-0.02%); split: +0.00%, -0.02% Instrs: 18717001 -> 18668965 (-0.26%); split: -0.26%, +0.00% Latency: 263255046 -> 262874896 (-0.14%); split: -0.16%, +0.02% InvThroughput: 52760249 -> 52721736 (-0.07%); split: -0.08%, +0.01% VClause: 329631 -> 329680 (+0.01%); split: -0.03%, +0.04% SClause: 681563 -> 681435 (-0.02%); split: -0.02%, +0.00% Copies: 1331612 -> 1372446 (+3.07%); split: -0.03%, +3.10% Branches: 548325 -> 548301 (-0.00%) PreSGPRs: 911317 -> 909700 (-0.18%) PreVGPRs: 766279 -> 767070 (+0.10%) Signed-off-by: Timur Kristóf <timur.kristof@gmail.com> Reviewed-by: Daniel Schürmann <daniel@schuermann.dev> Reviewed-by: Rhys Perry <pendingchaos02@gmail.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/18253>
`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.