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If the 2nd and 3rd source are both Boolean values, we can potentially avoid a resolve by only resolving the result of the b32csel. No changes on any Gen6+ Intel platform. v2: Use ?: instead of cast from bool to unsigned. Suggested by Caio. Iron Lake total instructions in shared programs: 8142729 -> 8142677 (<.01%) instructions in affected programs: 12890 -> 12838 (-0.40%) helped: 26 HURT: 0 helped stats (abs) min: 2 max: 2 x̄: 2.00 x̃: 2 helped stats (rel) min: 0.25% max: 0.74% x̄: 0.45% x̃: 0.38% 95% mean confidence interval for instructions value: -2.00 -2.00 95% mean confidence interval for instructions %-change: -0.52% -0.39% Instructions are helped. total cycles in shared programs: 188549632 -> 188549394 (<.01%) cycles in affected programs: 60754 -> 60516 (-0.39%) helped: 25 HURT: 1 helped stats (abs) min: 2 max: 26 x̄: 9.92 x̃: 8 helped stats (rel) min: 0.07% max: 2.23% x̄: 0.59% x̃: 0.27% HURT stats (abs) min: 10 max: 10 x̄: 10.00 x̃: 10 HURT stats (rel) min: 0.70% max: 0.70% x̄: 0.70% x̃: 0.70% 95% mean confidence interval for cycles value: -12.91 -5.40 95% mean confidence interval for cycles %-change: -0.84% -0.23% Cycles are helped. GM45 total instructions in shared programs: 5013119 -> 5013093 (<.01%) instructions in affected programs: 6764 -> 6738 (-0.38%) helped: 13 HURT: 0 helped stats (abs) min: 2 max: 2 x̄: 2.00 x̃: 2 helped stats (rel) min: 0.24% max: 0.68% x̄: 0.43% x̃: 0.36% 95% mean confidence interval for instructions value: -2.00 -2.00 95% mean confidence interval for instructions %-change: -0.52% -0.34% Instructions are helped. total cycles in shared programs: 128977804 -> 128977700 (<.01%) cycles in affected programs: 37738 -> 37634 (-0.28%) helped: 13 HURT: 0 helped stats (abs) min: 8 max: 8 x̄: 8.00 x̃: 8 helped stats (rel) min: 0.18% max: 0.46% x̄: 0.30% x̃: 0.26% 95% mean confidence interval for cycles value: -8.00 -8.00 95% mean confidence interval for cycles %-change: -0.36% -0.24% Cycles are helped. Reviewed-by: Caio Marcelo de Oliveira Filho <caio.oliveira@intel.com> Reviewed-by: Matt Turner <mattst88@gmail.com>
`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.html <https://mesa3d.org/install.html>`_), but the recommended way is to use Meson (`docs/meson.html <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 `Freenode's #dri-devel <irc://chat.freenode.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.html <https://mesa3d.org/bugs.html>`_). Contributing ------------ Contributions are welcome, and step-by-step instructions can be found in our documentation (`docs/submittingpatches.html <https://mesa3d.org/submittingpatches.html>`_). Note that Mesa uses email mailing-lists for patches submission, review and discussions.