diff --git a/cranelift/wasm/src/code_translator.rs b/cranelift/wasm/src/code_translator.rs
index 77d35373a4..df1912e231 100644
--- a/cranelift/wasm/src/code_translator.rs
+++ b/cranelift/wasm/src/code_translator.rs
@@ -1170,8 +1170,13 @@ pub fn translate_operator<FE: FuncEnvironment + ?Sized>(
             let bitcast_b = optionally_bitcast_vector(b, type_of(op), builder);
             state.push1(builder.ins().icmp(IntCC::Equal, bitcast_a, bitcast_b))
         }
-        Operator::I8x16Ne
-        | Operator::I8x16LtS
+        Operator::I8x16Ne | Operator::I16x8Ne | Operator::I32x4Ne => {
+            let (a, b) = state.pop2();
+            let bitcast_a = optionally_bitcast_vector(a, type_of(op), builder);
+            let bitcast_b = optionally_bitcast_vector(b, type_of(op), builder);
+            state.push1(builder.ins().icmp(IntCC::NotEqual, bitcast_a, bitcast_b))
+        }
+        Operator::I8x16LtS
         | Operator::I8x16LtU
         | Operator::I8x16GtS
         | Operator::I8x16GtU
@@ -1179,7 +1184,6 @@ pub fn translate_operator<FE: FuncEnvironment + ?Sized>(
         | Operator::I8x16LeU
         | Operator::I8x16GeS
         | Operator::I8x16GeU
-        | Operator::I16x8Ne
         | Operator::I16x8LtS
         | Operator::I16x8LtU
         | Operator::I16x8GtS
@@ -1188,7 +1192,6 @@ pub fn translate_operator<FE: FuncEnvironment + ?Sized>(
         | Operator::I16x8LeU
         | Operator::I16x8GeS
         | Operator::I16x8GeU
-        | Operator::I32x4Ne
         | Operator::I32x4LtS
         | Operator::I32x4LtU
         | Operator::I32x4GtS