diff --git a/src/panfrost/bifrost/compiler.h b/src/panfrost/bifrost/compiler.h
index 654a0859fd7..a010cb896d1 100644
--- a/src/panfrost/bifrost/compiler.h
+++ b/src/panfrost/bifrost/compiler.h
@@ -252,6 +252,10 @@ typedef struct {
 
         /* Corresponds to the usual bit but shifted by a clause */
         bool data_register_write_barrier;
+
+        /* Constants read by this clause. ISA limit. */
+        uint64_t constants[8];
+        unsigned constant_count;
 } bi_clause;
 
 typedef struct bi_block {