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ir3/sched: Use correct src index

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Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10591>
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Connor Abbott 2021-02-22 15:42:12 +01:00 • committed by Marge Bot
parent 7df7bab03b
commit af7f29a78e
1 changed files with 11 additions and 1 deletions
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12
src/freedreno/ir3/ir3_sched.c
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@ -935,7 +935,17 @@ sched_node_add_dep(struct ir3_instruction *instr, struct ir3_instruction *src, i
dag_add_edge(&sn->dag, &n->dag, NULL);
unsigned d = ir3_delayslots(src, instr, i, true);
/* There's a mismatch between the indices foreach_ssa_src_n uses and the
* indices that ir3_delayslots expects, and additionally we don't want to
* call it and get bogus answers on false dependencies.
*/
unsigned d = 0;
if (i < instr->regs_count)
d = ir3_delayslots(src, instr, i + 1, true);
else if (src == instr->address)
d = ir3_delayslots(src, instr, 0, true);
n->delay = MAX2(n->delay, d);
}