diff --git a/target-arm/translate-a64.c b/target-arm/translate-a64.c
index 63ad787e9f..cbc8a3574d 100644
--- a/target-arm/translate-a64.c
+++ b/target-arm/translate-a64.c
@@ -9052,7 +9052,8 @@ static void disas_simd_3same_int(DisasContext *s, uint32_t insn)
     }
 
     if (size == 3) {
-        for (pass = 0; pass < (is_q ? 2 : 1); pass++) {
+        assert(is_q);
+        for (pass = 0; pass < 2; pass++) {
             TCGv_i64 tcg_op1 = tcg_temp_new_i64();
             TCGv_i64 tcg_op2 = tcg_temp_new_i64();
             TCGv_i64 tcg_res = tcg_temp_new_i64();