Alyssa Rosenzweig
50449167d5
Late algebraic lowering turns fsub(x, #y) into fadd(x, fneg(#y)), we should constant fold that into fadd(x, #-y). total instructions in shared programs: 1518414 -> 1518138 (-0.02%) instructions in affected programs: 18363 -> 18087 (-1.50%) helped: 68 HURT: 0 Instructions are helped. total bundles in shared programs: 646938 -> 646877 (<.01%) bundles in affected programs: 8299 -> 8238 (-0.74%) helped: 56 HURT: 17 Bundles are helped. total quadwords in shared programs: 1134323 -> 1133694 (-0.06%) quadwords in affected programs: 77445 -> 76816 (-0.81%) helped: 450 HURT: 8 Quadwords are helped. total registers in shared programs: 90618 -> 90624 (<.01%) registers in affected programs: 129 -> 135 (4.65%) helped: 5 HURT: 11 Inconclusive result (value mean confidence interval includes 0). total threads in shared programs: 55563 -> 55561 (<.01%) threads in affected programs: 4 -> 2 (-50.00%) helped: 0 HURT: 2 Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io> Reviewed-by: Italo Nicola <italonicola@collabora.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/23769>
`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.