diff options
Diffstat (limited to 'src/gallium/drivers/lima/ir/gp/instr.c')
| -rw-r--r-- | src/gallium/drivers/lima/ir/gp/instr.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/src/gallium/drivers/lima/ir/gp/instr.c b/src/gallium/drivers/lima/ir/gp/instr.c index 719da19f78..32f359bec5 100644 --- a/src/gallium/drivers/lima/ir/gp/instr.c +++ b/src/gallium/drivers/lima/ir/gp/instr.c @@ -35,7 +35,10 @@ void gpir_instr_init(gpir_instr *instr) static bool gpir_instr_insert_alu_check(gpir_instr *instr, gpir_node *node) { - /* check if this node is child of one store node */ + /* check if this node is child of one store node. + * complex1 won't be any of this instr's store node's child, + * because it has two instr latency before store can use it. + */ for (int i = GPIR_INSTR_SLOT_STORE0; i < GPIR_INSTR_SLOT_STORE3; i++) { gpir_store_node *s = gpir_node_to_store(instr->slots[i]); if (s && s->child == node) { @@ -45,11 +48,14 @@ static bool gpir_instr_insert_alu_check(gpir_instr *instr, gpir_node *node) } } + int consume_slot = node->op == gpir_op_complex1 ? 2 : 1; + /* not a child of any store node, so must reserve alu slot for store node */ - if (instr->alu_num_slot_free <= instr->alu_num_slot_needed_by_store) + if (instr->alu_num_slot_free - consume_slot < + instr->alu_num_slot_needed_by_store) return false; - instr->alu_num_slot_free--; + instr->alu_num_slot_free -= consume_slot; return true; } |