On Thu, 4 Aug 2011, Andreas Schwab wrote: > Hans-Peter Nilsson <h...@bitrange.com> writes: > > > To make sure, it'd be nice if someone could perhaps grep an > > entire GNU/Linux-or-other distribution including the kernel for > > uses of asm-declared *local* registers that don't directly feed > > into asms and not being the stack-pointer? > > One frequent candidate is the global pointer.
Yes, that too, but it's usually fixed isn't it? What I really meant was "not being a fixed register" but I don't think many willing to grep a whole distro can tell which registers in which gcc port are fixed and remember to look for uses of "-ffixed-reg-". brgds, H-P
