On 1/31/20 1:17 PM, Conrad Meyer wrote: > Hi John, > > Isn't the 32-bit MSTATUS_SD and SSTATUS_SD also UB without explicit > unsigned suffix? Possibly, but I doubt we will have a 32-bit RISC-V port. I'd probably prefer to just use explicit hex values (0x80000000, etc.) since the compiler will always get those correct. -- John Baldwin