80bc658efc
This changes the heuristic to also spill live-through variables if they are used within the loop if the register pressure is too high. Totals from 68 (0.09% of 79395) affected shaders: (GFX11) Instrs: 3385477 -> 3386659 (+0.03%); split: -0.11%, +0.14% CodeSize: 17329668 -> 17353796 (+0.14%); split: -0.12%, +0.26% SpillSGPRs: 4246 -> 3659 (-13.82%); split: -17.12%, +3.30% SpillVGPRs: 978 -> 884 (-9.61%); split: -10.02%, +0.41% Scratch: 58880 -> 59648 (+1.30%) Latency: 20567445 -> 20753412 (+0.90%); split: -0.08%, +0.98% InvThroughput: 5091128 -> 5188098 (+1.90%); split: -0.07%, +1.97% VClause: 90446 -> 90499 (+0.06%); split: -0.05%, +0.11% SClause: 68270 -> 68072 (-0.29%); split: -0.35%, +0.06% Copies: 280689 -> 278003 (-0.96%); split: -1.08%, +0.12% Branches: 112577 -> 112608 (+0.03%); split: -0.10%, +0.13% VALU: 1863415 -> 1866878 (+0.19%); split: -0.07%, +0.26% SALU: 415572 -> 413062 (-0.60%); split: -0.63%, +0.03% VMEM: 140890 -> 141045 (+0.11%); split: -0.04%, +0.15% VOPD: 650 -> 670 (+3.08%); split: +3.54%, -0.46% Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/27774>
`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.