diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/panfrost/midgard/midgard_ra.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/panfrost/midgard/midgard_ra.c b/src/panfrost/midgard/midgard_ra.c index 6049efc3f8f..c545bed5e17 100644 --- a/src/panfrost/midgard/midgard_ra.c +++ b/src/panfrost/midgard/midgard_ra.c @@ -835,9 +835,17 @@ mir_spill_register( midgard_instruction st; + /* Note: it's important to match the mask of the spill + * with the mask of the instruction whose destination + * we're spilling, or otherwise we'll read invalid + * components and can fail RA in a subsequent iteration + */ + if (is_special_w) { st = v_mov(spill_node, spill_slot); st.no_spill |= (1 << spill_class); + st.mask = ins->mask; + st.dest_type = st.src_types[0] = ins->dest_type; } else { ins->dest = spill_index++; ins->no_spill |= (1 << spill_class); |