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-rw-r--r--src/gallium/drivers/freedreno/ir3/ir3.h12
1 files changed, 11 insertions, 1 deletions
diff --git a/src/gallium/drivers/freedreno/ir3/ir3.h b/src/gallium/drivers/freedreno/ir3/ir3.h
index 3859f6a39f3..f68275e568c 100644
--- a/src/gallium/drivers/freedreno/ir3/ir3.h
+++ b/src/gallium/drivers/freedreno/ir3/ir3.h
@@ -308,8 +308,14 @@ struct ir3_instruction {
static inline struct ir3_instruction *
ir3_neighbor_first(struct ir3_instruction *instr)
{
- while (instr->cp.left)
+ int cnt = 0;
+ while (instr->cp.left) {
instr = instr->cp.left;
+ if (++cnt > 0xffff) {
+ debug_assert(0);
+ break;
+ }
+ }
return instr;
}
@@ -322,6 +328,10 @@ static inline int ir3_neighbor_count(struct ir3_instruction *instr)
while (instr->cp.right) {
num++;
instr = instr->cp.right;
+ if (num > 0xffff) {
+ debug_assert(0);
+ break;
+ }
}
return num;