qemu/target/arm/translate-a64.c:2039: bad test ? qemu/target/arm/translate-a64.c:2039]: (warning) Logical disjunction always evaluates to true: op3 != 2 || op3 != 3. Source code is if (op3 != 2 || op3 != 3) { Maybe better code if (op3 != 2 && op3 != 3) {