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nouveau/mme: Don't allow WaW dependencies in the same Turing instruction

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Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24326>
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Faith Ekstrand 2023-01-30 20:12:06 -06:00 • committed by Marge Bot
parent 5560f5f4ff
commit 83142c825f
1 changed files with 3 additions and 1 deletions
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4
src/nouveau/mme/mme_tu104.c
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@ -276,7 +276,9 @@ mme_tu104_alus_have_dependency(const struct mme_tu104_alu *first,
const struct mme_tu104_alu *second)
{
if (first->dst != MME_TU104_REG_ZERO &&
(first->dst == second->src[0] || first->dst == second->src[1]))
(first->dst == second->dst ||
first->dst == second->src[0] ||
first->dst == second->src[1]))
return true;
/* TODO: This could be more detailed */