q_total should never go below 0 (which is why it's defined as unsigned),
and if it does, then something is seriously wrong.
Signed-off-by: Connor Abbott <cwabbo...@gmail.com>
---
src/mesa/program/register_allocate.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/src/mesa/program/register_allocate.c
b/src/mesa/program/register_allocate.c
index db2be5d..7faf672 100644
--- a/src/mesa/program/register_allocate.c
+++ b/src/mesa/program/register_allocate.c
@@ -434,6 +434,7 @@ decrement_q(struct ra_graph *g, unsigned int n)
unsigned int n2_class = g->nodes[n2].class;
if (n != n2 && !g->nodes[n2].in_stack) {
+ assert(g->nodes[n2].q_total >=
g->regs->classes[n2_class]->q[n_class]);
g->nodes[n2].q_total -= g->regs->classes[n2_class]->q[n_class];
}
}
--
1.8.5.2 (Apple Git-48)
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