diff --git a/src/amd/compiler/aco_register_allocation.cpp b/src/amd/compiler/aco_register_allocation.cpp
index bbb8429032b..f044df6ee5e 100644
--- a/src/amd/compiler/aco_register_allocation.cpp
+++ b/src/amd/compiler/aco_register_allocation.cpp
@@ -356,6 +356,10 @@ public:
          fill(start, rc.size(), 0xFFFFFFFF);
    }
 
+   void block(PhysRegInterval interval) { fill(interval.lo(), interval.size, 0xFFFFFFFF); }
+
+   void clear(PhysRegInterval interval) { fill(interval.lo(), interval.size, 0); }
+
    bool is_blocked(PhysReg start) const
    {
       if (regs[start] == 0xFFFFFFFF)