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aco: fix out-of-bounds access when moving s_mem(real)time across SMEM

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Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Georg Lehmann <dadschoorse@gmail.com>
Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/8224
Cc: mesa-stable
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21138>
This commit is contained in:
Rhys Perry 2023-02-03 17:27:52 +00:00 • committed by Marge Bot
parent 7d8e2db9f9
commit fad1f716dd
1 changed files with 1 additions and 1 deletions
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2
src/amd/compiler/aco_scheduler.cpp
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@ -679,7 +679,7 @@ schedule_SMEM(sched_ctx& ctx, Block* block, std::vector<RegisterDemand>& registe
current->operands[0].size() == 4))
break;
/* don't move descriptor loads below buffer loads */
if (candidate->format == Format::SMEM && current->operands[0].size() == 4 &&
if (candidate->isSMEM() && !candidate->operands.empty() && current->operands[0].size() == 4 &&
candidate->operands[0].size() == 2)
break;