Andrew Hutchinson wrote: > I have realised that part of the problem is that the receiver block > has no incoming edges so cfgcleanup removes it as unreachable block - > right? > > So any target that need a non trivial receiver for builtin_setjmp will > not work? That would mean any that have an offset between stack and > pointers? > > I guess the same problem exists for non-local goto? > > I am not convinced it could be this wrong. So please comment and > suggest solution - I'm sure I can write target handler but it seems so > wrong to leave this as issue open. > MIPS uses an unspec_volatile in the nonloca_goto_receiver That keeps it from being removed.
David Daney
