> So that code creates a set of conflicts which, if I'm reading correctly, > will prevent the PIC value from living in a register at all. Which > ought to result in it being dumped into the stack and being reloaded for > each use. Which ought to be safe (modulo the liveness bug Vlad is > working on right now). > > Does that sound right to either of you?
Yes, that's also my understanding of the code and the behavior required by builtin setjmp/longjmp. I can add that the Ada compiler would fall apart if this didn't work correctly in the compiler, and especially in the RA. -- Eric Botcazou
