diff options
Diffstat (limited to 'mesalib/src/mesa/program/register_allocate.c')
| -rw-r--r-- | mesalib/src/mesa/program/register_allocate.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/mesalib/src/mesa/program/register_allocate.c b/mesalib/src/mesa/program/register_allocate.c index 97d4e331c..88793dbdc 100644 --- a/mesalib/src/mesa/program/register_allocate.c +++ b/mesalib/src/mesa/program/register_allocate.c @@ -555,6 +555,13 @@ ra_get_best_spill_node(struct ra_graph *g) if (cost <= 0.0) continue; + /* Only consider registers for spilling if they are still in the + * interference graph (those on the stack have already been proven to be + * allocatable without spilling). + */ + if (g->nodes[n].in_stack) + continue; + benefit = ra_get_spill_benefit(g, n); if (benefit / cost > best_benefit) { |