arm: 0.831 device: 0.795 ppc: 0.778 mistranslation: 0.745 permissions: 0.732 TCG: 0.686 PID: 0.673 performance: 0.651 vnc: 0.629 graphic: 0.603 socket: 0.602 network: 0.589 architecture: 0.584 register: 0.568 files: 0.564 semantic: 0.555 debug: 0.467 VMM: 0.447 peripherals: 0.334 KVM: 0.318 risc-v: 0.311 i386: 0.308 virtual: 0.299 kernel: 0.293 hypervisor: 0.280 boot: 0.276 x86: 0.268 assembly: 0.242 user-level: 0.198 target-arm/op_helper.c:424: bad assert /home/dcb/qemu/trunk/qemu/target-arm/op_helper.c: In function ‘helper_access_check_cp_reg’: /home/dcb/qemu/trunk/qemu/target-arm/op_helper.c:424:52: error: comparison of constant ‘3’ with boolean expression is always false [-Werror=bool-compare] assert(!arm_is_secure(env) && !arm_current_el(env) == 3); ^ Maybe assert(!arm_is_secure(env) && arm_current_el(env) != 3); Fixed by commit 3fc827d591679f3e262b9d1f8b34528eabfca8c0