9c9e80103c
This prevents regressions on SNB due to the redundant MOVs lying around in cases where fetch_payload_reg() returns a VGRF (currently only in SIMD32 but soon in pretty much all cases). The MOVs can't be register-coalesced due to their source being a FIXED_GRF, and they can't be copy-propagated either due to the unlit centroid workaround partial writes. They can be copy-propagated just fine into a SEL instruction though. On SNB this prevents the following shader-db regressions (including SIMD32 programs) in combination with the interpolation rework part of this series: total instructions in shared programs: 13996898 -> 14001982 (0.04%) instructions in affected programs: 197461 -> 202545 (2.57%) helped: 0 HURT: 1251 Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
`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 gitlab for patches submission, review and discussions.