From 0a6ddf964fb90e4520501868ff00fed66e7814f3 Mon Sep 17 00:00:00 2001 From: Rob Clark Date: Mon, 29 Jan 2018 12:32:24 -0500 Subject: [PATCH] freedreno/ir3: separate arrays from groups Signed-off-by: Rob Clark --- src/gallium/drivers/freedreno/ir3/ir3_group.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/src/gallium/drivers/freedreno/ir3/ir3_group.c b/src/gallium/drivers/freedreno/ir3/ir3_group.c index 2719b6459e3..961fae5c1e9 100644 --- a/src/gallium/drivers/freedreno/ir3/ir3_group.c +++ b/src/gallium/drivers/freedreno/ir3/ir3_group.c @@ -137,6 +137,14 @@ restart: if (instr->opc == OPC_META_PHI) conflict = true; + /* Mixing array elements and higher register classes + * (ie. groups) doesn't really work out in RA. See: + * + * https://trello.com/c/DqeDkeVf/156-bug-with-stk-70frag + */ + if (instr->regs[0]->flags & IR3_REG_ARRAY) + conflict = true; + /* we also can't have an instr twice in the group: */ for (j = i + 1; (j < n) && !conflict; j++) if (in_neighbor_list(ops->get(arr, j), instr, i)) -- 2.30.2