On 19 September 2012 20:53, Richard Henderson <r...@twiddle.net> wrote: > On 09/19/2012 11:30 AM, Peter Maydell wrote: >> ...but on the other hand that ought to work for PPC too, so >> presumably my analysis is wrong somewhere. > > It isn't. It's a target-xtensa bug.
> There are two instances of goto_tb $0 in here. I notice tcg/README doesn't actually mention this restriction on goto_tb, incidentally. (I wonder if there are enough easily checkable and plausibly violated constraints on generated TCG to make it worth having a debug mode pass which checks them? "Only one goto_tb X per TB" is an easy check...) -- PMM