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In the previous version, "end" could have been zero, which would have allowed an increase of "mul" bytes, when it should not not be increased at all. For example: - align_offset=4 - mul=4 - unaligned_new_size=96 - aligned_new_size=128 This would have loaded a dword which was not loaded previously. fossil-db (gfx1201): Totals from 115 (0.14% of 79839) affected shaders: Instrs: 286697 -> 287097 (+0.14%); split: -0.16%, +0.30% CodeSize: 1477728 -> 1481256 (+0.24%); split: -0.13%, +0.37% SpillSGPRs: 1662 -> 1658 (-0.24%); split: -0.42%, +0.18% Latency: 2288612 -> 2290248 (+0.07%); split: -0.04%, +0.11% InvThroughput: 467307 -> 467602 (+0.06%); split: -0.03%, +0.10% VClause: 3689 -> 3691 (+0.05%) SClause: 5052 -> 5064 (+0.24%); split: -0.20%, +0.44% Copies: 34837 -> 35103 (+0.76%); split: -0.80%, +1.56% Branches: 7402 -> 7401 (-0.01%) PreSGPRs: 9147 -> 9143 (-0.04%); split: -0.44%, +0.39% VALU: 159333 -> 159372 (+0.02%); split: -0.01%, +0.04% SALU: 52047 -> 52276 (+0.44%); split: -0.55%, +0.99% SMEM: 9556 -> 9697 (+1.48%) fossil-db (navi31): Totals from 238 (0.30% of 79825) affected shaders: Instrs: 484480 -> 485105 (+0.13%); split: -0.05%, +0.17% CodeSize: 2514012 -> 2517928 (+0.16%); split: -0.06%, +0.22% SpillSGPRs: 1064 -> 1059 (-0.47%) Latency: 3941121 -> 3944670 (+0.09%); split: -0.04%, +0.13% InvThroughput: 897483 -> 898090 (+0.07%); split: -0.04%, +0.11% VClause: 7101 -> 7098 (-0.04%) SClause: 9036 -> 9052 (+0.18%); split: -0.44%, +0.62% Copies: 42790 -> 43096 (+0.72%); split: -0.30%, +1.01% PreSGPRs: 14357 -> 14342 (-0.10%); split: -0.37%, +0.26% VALU: 298325 -> 298347 (+0.01%); split: -0.01%, +0.02% SALU: 57288 -> 57577 (+0.50%); split: -0.20%, +0.70% SMEM: 18768 -> 18967 (+1.06%); split: -0.01%, +1.07% fossil-db (navi21): Totals from 239 (0.30% of 79825) affected shaders: Instrs: 444783 -> 445177 (+0.09%); split: -0.07%, +0.15% CodeSize: 2371776 -> 2373136 (+0.06%); split: -0.13%, +0.19% Latency: 4226478 -> 4219221 (-0.17%); split: -0.24%, +0.07% InvThroughput: 1430962 -> 1428445 (-0.18%); split: -0.23%, +0.06% SClause: 9357 -> 9398 (+0.44%); split: -0.20%, +0.64% Copies: 42742 -> 42927 (+0.43%); split: -0.53%, +0.96% Branches: 12975 -> 12970 (-0.04%); split: -0.05%, +0.02% PreSGPRs: 14368 -> 14312 (-0.39%); split: -0.47%, +0.08% VALU: 306642 -> 306720 (+0.03%); split: -0.02%, +0.05% SALU: 63702 -> 63790 (+0.14%); split: -0.31%, +0.45% SMEM: 20030 -> 20231 (+1.00%); split: -0.00%, +1.01% Signed-off-by: Rhys Perry <pendingchaos02@gmail.com> Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/14458 Backport-to: 25.3 Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com> Reviewed-by: Marek Olšák <marek.olsak@amd.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38903> |
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`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://docs.mesa3d.org/install.html>`_), but the recommended way is to use Meson (`docs/meson.rst <https://docs.mesa3d.org/meson.html>`_): .. code-block:: sh $ meson setup build $ ninja -C build/ $ sudo ninja -C build/ 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://docs.mesa3d.org/bugs.html>`_). Contributing ------------ Contributions are welcome, and step-by-step instructions can be found in our documentation (`docs/submittingpatches.rst <https://docs.mesa3d.org/submittingpatches.html>`_). Note that Mesa uses gitlab for patches submission, review and discussions.