ra: Take advantage of the adjacency list in ra_select() too.

Reduces runtime of glsl-fs-convolution-1 another 13.9% +/- 0.6% (n=5).

diff --git a/src/mesa/program/register_allocate.c b/src/mesa/program/register_allocate.c
index 5de929e..e96909a 100644 (file)
--- a/src/mesa/program/register_allocate.c
+++ b/src/mesa/program/register_allocate.c
@@ -336,14 +336,15 @@ ra_select(struct ra_graph *g)
            continue;
 
         /* Check if any of our neighbors conflict with this register choice. */
-        for (i = 0; i < g->count; i++) {
-           if (g->nodes[n].adjacency[i] &&
-              !g->nodes[i].in_stack &&
-               g->regs->regs[r].conflicts[g->nodes[i].reg]) {
+        for (i = 0; i < g->nodes[n].adjacency_count; i++) {
+           unsigned int n2 = g->nodes[n].adjacency_list[i];
+
+           if (!g->nodes[n2].in_stack &&
+               g->regs->regs[r].conflicts[g->nodes[n2].reg]) {
               break;
            }
         }
-        if (i == g->count)
+        if (i == g->nodes[n].adjacency_count)
            break;
       }
       if (r == g->regs->count)