diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/util/register_allocate.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/util/register_allocate.c b/src/util/register_allocate.c index 727c0c205fe..9493f578dba 100644 --- a/src/util/register_allocate.c +++ b/src/util/register_allocate.c @@ -524,7 +524,11 @@ ra_simplify(struct ra_graph *g) g->stack_count++; BITSET_SET(g->in_stack, i); progress = true; - } else { + } else if (!progress) { + /* We only need to do this if we haven't made progress. If we + * have made progress, we'll throw the data away and loop again + * anyway. + */ unsigned int new_q_total = g->nodes[i].q_total; if (new_q_total < lowest_q_total) { best_optimistic_node = i; |