On Wed, Mar 09, 2016 at 05:10:25PM +0100, Petr Mladek wrote: > On Tue 2016-03-08 16:34:35, Torsten Duwe wrote: > > /* compile using "-ffixed-r14"! */ > > register unsigned long pass_TOC asm("r14"); > > BTW: Is this reentrant, please? I mean, is it possible to use this > hack for two functions? Could the functions call each other?
Yes, it is. pass_TOC isn't really a global variable. It only lives between the caller and the real function's return. With this notation the task can easily be shifted to any other register. Torsten _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev