diff options
| -rw-r--r-- | src/gallium/drivers/freedreno/a2xx/ir2.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/gallium/drivers/freedreno/a2xx/ir2.c b/src/gallium/drivers/freedreno/a2xx/ir2.c index 8995d7e8aaf..89ac21a81e1 100644 --- a/src/gallium/drivers/freedreno/a2xx/ir2.c +++ b/src/gallium/drivers/freedreno/a2xx/ir2.c @@ -258,6 +258,22 @@ static int sched_next(struct ir2_context *ctx, struct ir2_sched_instr *sched) is_ok &= !ctx->instr[src->num].need_emit; } } + /* don't reorder non-ssa write before read */ + if (!instr->is_ssa) { + ir2_foreach_instr(p, ctx) { + if (!p->need_emit || p->idx >= instr->idx) + continue; + + ir2_foreach_src(src, p) { + if (get_reg_src(ctx, src) == instr->reg) + is_ok = false; + } + } + } + /* don't reorder across predicates */ + if (avail_count && instr->pred != avail[0]->pred) + is_ok = false; + if (!is_ok) continue; |