diff --git a/src/amd/compiler/aco_ir.h b/src/amd/compiler/aco_ir.h
index e04fcae44e7..3cec295cc45 100644
--- a/src/amd/compiler/aco_ir.h
+++ b/src/amd/compiler/aco_ir.h
@@ -483,6 +483,7 @@ static constexpr PhysReg sgpr_null{125}; /* GFX10+ */
 static constexpr PhysReg exec{126};
 static constexpr PhysReg exec_lo{126};
 static constexpr PhysReg exec_hi{127};
+static constexpr PhysReg pops_exiting_wave_id{239}; /* GFX9-GFX10.3 */
 static constexpr PhysReg vccz{251};
 static constexpr PhysReg execz{252};
 static constexpr PhysReg scc{253};