On Sun, 2012-04-22 at 10:05 +0100, R. Diez wrote: > > > > i) if r0 is a regular, call-saved register normally used as > > fixed-function register with value 0, that's fine; but in this case I > > need to save and restore it for all context switches. Also, GCC has to > > initialize it at the start of every new process. > > Is that not the case today?
Almost... today it _might not_ be writable. In my case i) above, it's implied that it's _always_ fully writable; I guess that's not strictly necessary, but it's distasteful! /Jonas _______________________________________________ OpenRISC mailing list [email protected] http://lists.openrisc.net/listinfo/openrisc
