On 11 Jan 2022 22:24, Dragan Mladjenovic wrote:
> --- a/sim/common/sim-fpu.h
> +++ b/sim/common/sim-fpu.h
>  
> +/* Toggle quiet NaN semantics.  */
>  
> +extern bool sim_fpu_quiet_nan_inverted;

please avoid global variables.  this should be part of sim_fpu state instead.

also, include stdbool.h in the header since you're adding that type.
-mike