diff --git a/src/nouveau/compiler/nak/ir.rs b/src/nouveau/compiler/nak/ir.rs
index d949e280716..c15e52ad733 100644
--- a/src/nouveau/compiler/nak/ir.rs
+++ b/src/nouveau/compiler/nak/ir.rs
@@ -497,6 +497,14 @@ impl Dst {
         }
         .iter_mut()
     }
+
+    pub fn comps(&self) -> u8 {
+        match self {
+            Dst::None => 0,
+            Dst::SSA(ssa) => ssa.comps(),
+            Dst::Reg(reg) => reg.comps(),
+        }
+    }
 }
 
 impl From<RegRef> for Dst {
diff --git a/src/nouveau/compiler/nak/sm75_instr_latencies.rs b/src/nouveau/compiler/nak/sm75_instr_latencies.rs
index f9f308ddb19..fd820dcf511 100644
--- a/src/nouveau/compiler/nak/sm75_instr_latencies.rs
+++ b/src/nouveau/compiler/nak/sm75_instr_latencies.rs
@@ -141,7 +141,7 @@ impl RegLatencySM75 {
                 }
             }
             Op::CS2R(cs2r) => {
-                if cs2r.dst.as_reg().unwrap().comps() == 2 {
+                if cs2r.dst.comps() == 2 {
                     CoupledDisp64
                 } else {
                     CoupledAlu
diff --git a/src/nouveau/compiler/nak/sm80_instr_latencies.rs b/src/nouveau/compiler/nak/sm80_instr_latencies.rs
index 6fc87b06e20..1cb8de4c08d 100644
--- a/src/nouveau/compiler/nak/sm80_instr_latencies.rs
+++ b/src/nouveau/compiler/nak/sm80_instr_latencies.rs
@@ -186,7 +186,7 @@ impl RegLatencySM80 {
                 }
             }
             Op::CS2R(cs2r) => {
-                if cs2r.dst.as_reg().unwrap().comps() == 2 {
+                if cs2r.dst.comps() == 2 {
                     CoupledDisp64
                 } else {
                     CoupledAlu