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pan/midgard: Allocate spill_slot once

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Multiple spill moves share a single spill slot. Issue found in Krita.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
This commit is contained in:
Alyssa Rosenzweig 2019-08-13 15:59:41 -07:00
parent 2a9031ea44
commit 6c84a2665c
1 changed files with 3 additions and 1 deletions
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4
src/panfrost/midgard/midgard_schedule.c
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@ -781,13 +781,15 @@ static void mir_spill_register(
* implicitly. For special writes, spill to a work register */
if (!is_special || is_special_w) {
if (is_special_w)
spill_slot = spill_index++;
mir_foreach_instr_global_safe(ctx, ins) {
if (ins->ssa_args.dest != spill_node) continue;
midgard_instruction st;
if (is_special_w) {
spill_slot = spill_index++;
st = v_mov(spill_node, blank_alu_src, spill_slot);
st.no_spill = true;
} else {